diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2012-12-13 22:40:13 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-12-13 22:40:13 +0400 |
| commit | 241738bd51cb0efe58e6c570223153e970afe3ae (patch) | |
| tree | 05263e1ec3fbd58cc4ba5ee69163612fbb769a4a | |
| parent | bdf20507da11a9a5b32ef04fa09f352828189aef (diff) | |
| parent | ce8f0d0607bcad3ec0e8599be80353204427093e (diff) | |
| download | linux-241738bd51cb0efe58e6c570223153e970afe3ae.tar.xz | |
Merge branch 'mips-next' of http://dev.phrozen.org/githttp/mips-next into mips-for-linux-next
82 files changed, 3436 insertions, 1226 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 9806a5ae50be..b7dc39c6c849 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -106,6 +106,7 @@ config ATH79 config BCM47XX bool "Broadcom BCM47XX based boards" + select ARCH_WANT_OPTIONAL_GPIOLIB select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT @@ -114,7 +115,6 @@ config BCM47XX select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN - select GENERIC_GPIO select SYS_HAS_EARLY_PRINTK help Support for BCM47XX based boards @@ -798,7 +798,7 @@ config NLM_XLR_BOARD select CSRC_R4K select IRQ_CPU select ARCH_SUPPORTS_MSI - select ZONE_DMA if 64BIT + select ZONE_DMA32 if 64BIT select SYNC_R4K select SYS_HAS_EARLY_PRINTK select USB_ARCH_HAS_OHCI if USB_SUPPORT @@ -826,7 +826,7 @@ config NLM_XLP_BOARD select CEVT_R4K select CSRC_R4K select IRQ_CPU - select ZONE_DMA if 64BIT + select ZONE_DMA32 if 64BIT select SYNC_R4K select SYS_HAS_EARLY_PRINTK select USE_OF @@ -1507,6 +1507,7 @@ config CPU_XLP select WEAK_ORDERING select WEAK_REORDERING_BEYOND_LLSC select CPU_HAS_PREFETCH + select CPU_MIPSR2 help Netlogic Microsystems XLP processors. endchoice @@ -1718,7 +1719,7 @@ config CPU_SUPPORTS_UNCACHED_ACCELERATED bool config MIPS_PGD_C0_CONTEXT bool - default y if 64BIT && CPU_MIPSR2 + default y if 64BIT && CPU_MIPSR2 && !CPU_XLP # # Set to y for ptrace access to watch registers. @@ -2149,7 +2150,7 @@ config NODES_SHIFT config HW_PERF_EVENTS bool "Enable hardware performance counter support for perf events" - depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON) + depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) default y help Enable hardware performance counter support for perf events. If diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index b311be45a720..d7af29f1fcf0 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -9,6 +9,7 @@ config BCM47XX_SSB select SSB_EMBEDDED select SSB_B43_PCI_BRIDGE if PCI select SSB_PCICORE_HOSTMODE if PCI + select SSB_DRIVER_GPIO default y help Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support. @@ -23,6 +24,7 @@ config BCM47XX_BCMA select BCMA_DRIVER_MIPS select BCMA_HOST_PCI if PCI select BCMA_DRIVER_PCI_HOSTMODE if PCI + select BCMA_DRIVER_GPIO default y help Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus. diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile index 4389de182eb4..1a3567f07e73 100644 --- a/arch/mips/bcm47xx/Makefile +++ b/arch/mips/bcm47xx/Makefile @@ -3,5 +3,5 @@ # under Linux. # -obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o +obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c deleted file mode 100644 index 5ebdf62e96bb..000000000000 --- a/arch/mips/bcm47xx/gpio.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> - */ - -#include <linux/export.h> -#include <linux/ssb/ssb.h> -#include <linux/ssb/ssb_driver_chipcommon.h> -#include <linux/ssb/ssb_driver_extif.h> -#include <asm/mach-bcm47xx/bcm47xx.h> -#include <asm/mach-bcm47xx/gpio.h> - -#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES) -static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES); -#else -static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); -#endif - -int gpio_request(unsigned gpio, const char *tag) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && - ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) - return -EINVAL; - - if (ssb_extif_available(&bcm47xx_bus.ssb.extif) && - ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) - return -EINVAL; - - if (test_and_set_bit(gpio, gpio_in_use)) - return -EBUSY; - - return 0; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) - return -EINVAL; - - if (test_and_set_bit(gpio, gpio_in_use)) - return -EBUSY; - - return 0; -#endif - } - return -EINVAL; -} -EXPORT_SYMBOL(gpio_request); - -void gpio_free(unsigned gpio) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && - ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) - return; - - if (ssb_extif_available(&bcm47xx_bus.ssb.extif) && - ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) - return; - - clear_bit(gpio, gpio_in_use); - return; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) - return; - - clear_bit(gpio, gpio_in_use); - return; -#endif - } -} -EXPORT_SYMBOL(gpio_free); - -int gpio_to_irq(unsigned gpio) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco)) - return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2; - else if (ssb_extif_available(&bcm47xx_bus.ssb.extif)) - return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2; - else - return -EINVAL; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - return bcma_core_mips_irq(bcm47xx_bus.bcma.bus.drv_cc.core) + 2; -#endif - } - return -EINVAL; -} -EXPORT_SYMBOL_GPL(gpio_to_irq); diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c index f6e9063cc4c2..8c155afb1299 100644 --- a/arch/mips/bcm47xx/prom.c +++ b/arch/mips/bcm47xx/prom.c @@ -1,6 +1,7 @@ /* * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> + * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -27,6 +28,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/spinlock.h> +#include <linux/smp.h> #include <asm/bootinfo.h> #include <asm/fw/cfe/cfe_api.h> #include <asm/fw/cfe/cfe_error.h> @@ -127,6 +129,8 @@ static __init void prom_init_mem(void) { unsigned long mem; unsigned long max; + unsigned long off; + struct cpuinfo_mips *c = ¤t_cpu_data; /* Figure out memory size by finding aliases. * @@ -143,18 +147,26 @@ static __init void prom_init_mem(void) * max contains the biggest possible address supported by the platform. * If the method wants to try something above we assume 128MB ram. */ - max = ((unsigned long)(prom_init) | ((128 << 20) - 1)); + off = (unsigned long)prom_init; + max = off | ((128 << 20) - 1); for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) { - if (((unsigned long)(prom_init) + mem) > max) { + if ((off + mem) > max) { mem = (128 << 20); printk(KERN_DEBUG "assume 128MB RAM\n"); break; } - if (*(unsigned long *)((unsigned long)(prom_init) + mem) == - *(unsigned long *)(prom_init)) + if (!memcmp(prom_init, prom_init + mem, 32)) break; } + /* Ignoring the last page when ddr size is 128M. Cached + * accesses to last page is causing the processor to prefetch + * using address above 128M stepping out of the ddr address + * space. + */ + if (c->cputype == CPU_74K && (mem == (128 << 20))) + mem -= 0x1000; + add_memory_region(0, mem, BOOT_MEM_RAM); } diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 95bf4d7bac21..4d54b58dbd32 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -94,7 +94,7 @@ static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) snprintf(prefix, sizeof(prefix), "pci/%u/%u/", bus->host_pci->bus->number + 1, PCI_SLOT(bus->host_pci->devfn)); - bcm47xx_fill_sprom(out, prefix); + bcm47xx_fill_sprom(out, prefix, false); return 0; } else { printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n"); @@ -113,7 +113,7 @@ static int bcm47xx_get_invariants(struct ssb_bus *bus, bcm47xx_fill_ssb_boardinfo(&iv->boardinfo, NULL); memset(&iv->sprom, 0, sizeof(struct ssb_sprom)); - bcm47xx_fill_sprom(&iv->sprom, NULL); + bcm47xx_fill_sprom(&iv->sprom, NULL, false); if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10); @@ -165,16 +165,17 @@ static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) snprintf(prefix, sizeof(prefix), "pci/%u/%u/", bus->host_pci->bus->number + 1, PCI_SLOT(bus->host_pci->devfn)); - bcm47xx_fill_sprom(out, prefix); + bcm47xx_fill_sprom(out, prefix, false); return 0; case BCMA_HOSTTYPE_SOC: memset(out, 0, sizeof(struct ssb_sprom)); - bcm47xx_fill_sprom_ethernet(out, NULL); core = bcma_find_core(bus, BCMA_CORE_80211); if (core) { snprintf(prefix, sizeof(prefix), "sb/%u/", core->core_index); - bcm47xx_fill_sprom(out, prefix); + bcm47xx_fill_sprom(out, prefix, true); + } else { + bcm47xx_fill_sprom(out, NULL, false); } return 0; default: diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c index d3a889745e20..289cc0a38638 100644 --- a/arch/mips/bcm47xx/sprom.c +++ b/arch/mips/bcm47xx/sprom.c @@ -42,25 +42,39 @@ static void create_key(const char *prefix, const char *postfix, snprintf(buf, len, "%s", name); } +static int get_nvram_var(const char *prefix, const char *postfix, + const char *name, char *buf, int len, bool fallback) +{ + char key[40]; + int err; + + create_key(prefix, postfix, name, key, sizeof(key)); + + err = nvram_getenv(key, buf, len); + if (fallback && err == NVRAM_ERR_ENVNOTFOUND && prefix) { + create_key(NULL, postfix, name, key, sizeof(key)); + err = nvram_getenv(key, buf, len); + } + return err; +} + #define NVRAM_READ_VAL(type) \ static void nvram_read_ ## type (const char *prefix, \ const char *postfix, const char *name, \ - type *val, type allset) \ + type *val, type allset, bool fallback) \ { \ char buf[100]; \ - char key[40]; \ int err; \ type var; \ \ - create_key(prefix, postfix, name, key, sizeof(key)); \ - \ - err = nvram_getenv(key, buf, sizeof(buf)); \ + err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ + fallback); \ if (err < 0) \ return; \ err = kstrto ## type (buf, 0, &var); \ if (err) { \ - pr_warn("can not parse nvram name %s with value %s" \ - " got %i", key, buf, err); \ + pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ + prefix, name, postfix, buf, err); \ return; \ } \ if (allset && var == allset) \ @@ -76,22 +90,19 @@ NVRAM_READ_VAL(u32) #undef NVRAM_READ_VAL static void nvram_read_u32_2(const char *prefix, const char *name, - u16 *val_lo, u16 *val_hi) + u16 *val_lo, u16 *val_hi, bool fallback) { char buf[100]; - char key[40]; int err; u32 val; - create_key(prefix, NULL, name, key, sizeof(key)); - - err = nvram_getenv(key, buf, sizeof(buf)); + err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); if (err < 0) return; err = kstrtou32(buf, 0, &val); if (err) { - pr_warn("can not parse nvram name %s with value %s got %i", - key, buf, err); + pr_warn("can not parse nvram name %s%s with value %s got %i\n", + prefix, name, buf, err); return; } *val_lo = (val & 0x0000FFFFU); @@ -99,22 +110,20 @@ static void nvram_read_u32_2(const char *prefix, const char *name, } static void nvram_read_leddc(const char *prefix, const char *name, - u8 *leddc_on_time, u8 *leddc_off_time) + u8 *leddc_on_time, u8 *leddc_off_time, + bool fallback) { char buf[100]; - char key[40]; int err; u32 val; - create_key(prefix, NULL, name, key, sizeof(key)); - - err = nvram_getenv(key, buf, sizeof(buf)); + err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); if (err < 0) return; err = kstrtou32(buf, 0, &val); if (err) { - pr_warn("can not parse nvram name %s with value %s got %i", - key, buf, err); + pr_warn("can not parse nvram name %s%s with value %s got %i\n", + prefix, name, buf, err); return; } @@ -126,355 +135,435 @@ static void nvram_read_leddc(const char *prefix, const char *name, } static void nvram_read_macaddr(const char *prefix, const char *name, - u8 (*val)[6]) + u8 (*val)[6], bool fallback) { char buf[100]; - char key[40]; int err; - create_key(prefix, NULL, name, key, sizeof(key)); - - err = nvram_getenv(key, buf, sizeof(buf)); + err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); if (err < 0) return; + nvram_parse_macaddr(buf, *val); } static void nvram_read_alpha2(const char *prefix, const char *name, - char (*val)[2]) + char (*val)[2], bool fallback) { char buf[10]; - char key[40]; int err; - create_key(prefix, NULL, name, key, sizeof(key)); - - err = nvram_getenv(key, buf, sizeof(buf)); + err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); if (err < 0) return; if (buf[0] == '0') return; if (strlen(buf) > 2) { - pr_warn("alpha2 is too long %s", buf); + pr_warn("alpha2 is too long %s\n", buf); return; } memcpy(val, buf, sizeof(val)); } static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom, - const char *prefix) + const char *prefix, bool fallback) { - nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0); - if (!sprom->board_rev) - nvram_read_u16(NULL, NULL, "boardrev", &sprom->board_rev, 0); - nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0); - nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff); - nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff); - nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff); - nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff); - nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0); - nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0); - nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0); - nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0); - nvram_read_alpha2(prefix, "ccode", &sprom->alpha2); + nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback); + nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback); + nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback); + nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff, fallback); + nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0, + fallback); + nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0, + fallback); + nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0, + fallback); + nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0, + fallback); + nvram_read_alpha2(prefix, "ccode", &sprom->alpha2, fallback); } static void bcm47xx_fill_sprom_r12389(struct ssb_sprom *sprom, - const char *prefix) + const char *prefix, bool fallback) { - nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0); - nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0); - nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0); - nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0); - nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0); - nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0); - nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0); - nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0); - nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0); - nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0); + nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0, fallback); + nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0, fallback); + nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0, fallback); + nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0, fallback); + nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0, + fallback); + nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0, fallback); + nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0, fallback); + nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0, fallback); } -static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0); - nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0); + nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0, + fallback); + nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0, fallback); } static void bcm47xx_fill_sprom_r2389(struct ssb_sprom *sprom, - const char *prefix) -{ - nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0); - nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0); - nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0); - nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0); - nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0); - nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0); - nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0); - nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0); - nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0); -} - -static void bcm47xx_fill_sprom_r2(struct ssb_sprom *sprom, const char *prefix) + const char *prefix, bool fallback) { - nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, - &sprom->boardflags_hi); - nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0); + nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0, fallback); + nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0, fallback); + nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0, + fallback); + nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0, + fallback); } -static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0); - nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0); - nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0); - nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0); - nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0); - nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0); - nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0); - nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0); - nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0); - nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0); - nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0); - nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0); - nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0); - nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0); + nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0, fallback); + nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0, + fallback); + nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0, + fallback); + nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0, + fallback); + nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0, fallback); + nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0, + fallback); + nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0, + fallback); + nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0, + fallback); + nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0, fallback); + nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0, fallback); + nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0, fallback); + nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0, fallback); + nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0, fallback); + nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0, fallback); } -static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, - &sprom->boardflags_hi); - nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0); - nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0); + nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback); nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, - &sprom->leddc_off_time); + &sprom->leddc_off_time, fallback); } static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom, - const char *prefix) + const char *prefix, bool fallback) { - nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, - &sprom->boardflags_hi); - nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, - &sprom->boardflags2_hi); - nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0); - nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0); - nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0); - nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0); - nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf); - nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf); - nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff); + nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback); + nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0, + fallback); + nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0, + fallback); + nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf, fallback); + nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf, fallback); + nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff, + fallback); nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, - &sprom->leddc_off_time); + &sprom->leddc_off_time, fallback); } -static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0); - nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0); - nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0); - nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0); - nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0); - nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0); - nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0); - nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0); - nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0); - nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0); - nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0); - nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0); - nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0); - nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0); + nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0, fallback); + nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0, fallback); + nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0, fallback); + nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0, + fallback); + nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0, + fallback); + nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0, fallback); + nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0, fallback); + nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0, fallback); + nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0, fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0, + fallback); } -static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0); - nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0); - nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0); - nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0); - nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0); - nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0); - nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0); - nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0); - nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0); - nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0); - nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0); - nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0); - nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0); - nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0); - nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0); - nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0); + nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0, + fallback); + nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0, + fallback); } -static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0); + nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0, + fallback); nvram_read_u8(prefix, NULL, "extpagain2g", - &sprom->fem.ghz2.extpa_gain, 0); + &sprom->fem.ghz2.extpa_gain, 0, fallback); nvram_read_u8(prefix, NULL, "pdetrange2g", - &sprom->fem.ghz2.pdet_range, 0); - nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0); - nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0); - nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0); + &sprom->fem.ghz2.pdet_range, 0, fallback); + nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0, + fallback); + nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0, + fallback); + nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0, + fallback); nvram_read_u8(prefix, NULL, "extpagain5g", - &sprom->fem.ghz5.extpa_gain, 0); + &sprom->fem.ghz5.extpa_gain, 0, fallback); nvram_read_u8(prefix, NULL, "pdetrange5g", - &sprom->fem.ghz5.pdet_range, 0); - nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0); - nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0); - nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0); - nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0); - nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0); - nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0); + &sprom->fem.ghz5.pdet_range, 0, fallback); + nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0, + fallback); + nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0, + fallback); + nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0, + fallback); + nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0, + fallback); + nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0, + fallback); + nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0, + fallback); nvram_read_u8(prefix, NULL, "tempsense_slope", - &sprom->tempsense_slope, 0); - nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0); + &sprom->tempsense_slope, 0, fallback); + nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0, + fallback); nvram_read_u8(prefix, NULL, "tempsense_option", - &sprom->tempsense_option, 0); + &sprom->tempsense_option, 0, fallback); nvram_read_u8(prefix, NULL, "freqoffset_corr", - &sprom->freqoffset_corr, 0); - nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0); - nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0); - nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0); - nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0); + &sprom->freqoffset_corr, 0, fallback); + nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0, + fallback); + nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0, + fallback); + nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0, fallback); + nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0, fallback); nvram_read_u8(prefix, NULL, "phycal_tempdelta", - &sprom->phycal_tempdelta, 0); - nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0); + &sprom->phycal_tempdelta, 0, fallback); + nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0, + fallback); nvram_read_u8(prefix, NULL, "temps_hysteresis", - &sprom->temps_hysteresis, 0); - nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0); - nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0); + &sprom->temps_hysteresis, 0, fallback); + nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0, + fallback); + nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0, + fallback); nvram_read_u8(prefix, NULL, "rxgainerr2ga0", - &sprom->rxgainerr2ga[0], 0); + &sprom->rxgainerr2ga[0], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr2ga1", - &sprom->rxgainerr2ga[1], 0); + &sprom->rxgainerr2ga[1], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr2ga2", - &sprom->rxgainerr2ga[2], 0); + &sprom->rxgainerr2ga[2], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gla0", - &sprom->rxgainerr5gla[0], 0); + &sprom->rxgainerr5gla[0], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gla1", - &sprom->rxgainerr5gla[1], 0); + &sprom->rxgainerr5gla[1], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gla2", - &sprom->rxgainerr5gla[2], 0); + &sprom->rxgainerr5gla[2], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gma0", - &sprom->rxgainerr5gma[0], 0); + &sprom->rxgainerr5gma[0], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gma1", - &sprom->rxgainerr5gma[1], 0); + &sprom->rxgainerr5gma[1], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gma2", - &sprom->rxgainerr5gma[2], 0); + &sprom->rxgainerr5gma[2], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gha0", - &sprom->rxgainerr5gha[0], 0); + &sprom->rxgainerr5gha[0], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gha1", - &sprom->rxgainerr5gha[1], 0); + &sprom->rxgainerr5gha[1], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gha2", - &sprom->rxgainerr5gha[2], 0); + &sprom->rxgainerr5gha[2], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gua0", - &sprom->rxgainerr5gua[0], 0); + &sprom->rxgainerr5gua[0], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gua1", - &sprom->rxgainerr5gua[1], 0); + &sprom->rxgainerr5gua[1], 0, fallback); nvram_read_u8(prefix, NULL, "rxgainerr5gua2", - &sprom->rxgainerr5gua[2], 0); - nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0); - nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0); - nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0); + &sprom->rxgainerr5gua[2], 0, fallback); + nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0, + fallback); + nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0, + fallback); + nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0, + fallback); nvram_read_u8(prefix, NULL, "noiselvl5gla0", - &sprom->noiselvl5gla[0], 0); + &sprom->noiselvl5gla[0], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gla1", - &sprom->noiselvl5gla[1], 0); + &sprom->noiselvl5gla[1], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gla2", - &sprom->noiselvl5gla[2], 0); + &sprom->noiselvl5gla[2], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gma0", - &sprom->noiselvl5gma[0], 0); + &sprom->noiselvl5gma[0], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gma1", - &sprom->noiselvl5gma[1], 0); + &sprom->noiselvl5gma[1], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gma2", - &sprom->noiselvl5gma[2], 0); + &sprom->noiselvl5gma[2], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gha0", - &sprom->noiselvl5gha[0], 0); + &sprom->noiselvl5gha[0], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gha1", - &sprom->noiselvl5gha[1], 0); + &sprom->noiselvl5gha[1], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gha2", - &sprom->noiselvl5gha[2], 0); + &sprom->noiselvl5gha[2], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gua0", - &sprom->noiselvl5gua[0], 0); + &sprom->noiselvl5gua[0], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gua1", - &sprom->noiselvl5gua[1], 0); + &sprom->noiselvl5gua[1], 0, fallback); nvram_read_u8(prefix, NULL, "noiselvl5gua2", - &sprom->noiselvl5gua[2], 0); + &sprom->noiselvl5gua[2], 0, fallback); nvram_read_u8(prefix, NULL, "pcieingress_war", - &sprom->pcieingress_war, 0); + &sprom->pcieingress_war, 0, fallback); } -static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0); - nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0); + nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0, + fallback); + nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0, + fallback); nvram_read_u32(prefix, NULL, "legofdmbw202gpo", - &sprom->legofdmbw202gpo, 0); + &sprom->legofdmbw202gpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw20ul2gpo", - &sprom->legofdmbw20ul2gpo, 0); + &sprom->legofdmbw20ul2gpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw205glpo", - &sprom->legofdmbw205glpo, 0); + &sprom->legofdmbw205glpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw20ul5glpo", - &sprom->legofdmbw20ul5glpo, 0); + &sprom->legofdmbw20ul5glpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw205gmpo", - &sprom->legofdmbw205gmpo, 0); + &sprom->legofdmbw205gmpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw20ul5gmpo", - &sprom->legofdmbw20ul5gmpo, 0); + &sprom->legofdmbw20ul5gmpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw205ghpo", - &sprom->legofdmbw205ghpo, 0); + &sprom->legofdmbw205ghpo, 0, fallback); nvram_read_u32(prefix, NULL, "legofdmbw20ul5ghpo", - &sprom->legofdmbw20ul5ghpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0); + &sprom->legofdmbw20ul5ghpo, 0, fallback); + nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0, + fallback); + nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0, + fallback); + nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0, + fallback); + nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0, + fallback); nvram_read_u32(prefix, NULL, "mcsbw20ul5glpo", - &sprom->mcsbw20ul5glpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0); + &sprom->mcsbw20ul5glpo, 0, fallback); + nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0, + fallback); + nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0, + fallback); nvram_read_u32(prefix, NULL, "mcsbw20ul5gmpo", - &sprom->mcsbw20ul5gmpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0); + &sprom->mcsbw20ul5gmpo, 0, fallback); + nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0, + fallback); + nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0, + fallback); nvram_read_u32(prefix, NULL, "mcsbw20ul5ghpo", - &sprom->mcsbw20ul5ghpo, 0); - nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0); - nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0); + &sprom->mcsbw20ul5ghpo, 0, fallback); + nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0, + fallback); + nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0, fallback); nvram_read_u16(prefix, NULL, "legofdm40duppo", - &sprom->legofdm40duppo, 0); - nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0); - nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0); + &sprom->legofdm40duppo, 0, fallback); + nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0, fallback); + nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0, fallback); } static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, - const char *prefix) + const char *prefix, bool fallback) { char postfix[2]; int i; @@ -483,46 +572,46 @@ static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; snprintf(postfix, sizeof(postfix), "%i", i); nvram_read_u8(prefix, postfix, "maxp2ga", - &pwr_info->maxpwr_2g, 0); + &pwr_info->maxpwr_2g, 0, fallback); nvram_read_u8(prefix, postfix, "itt2ga", - &pwr_info->itssi_2g, 0); + &pwr_info->itssi_2g, 0, fallback); nvram_read_u8(prefix, postfix, "itt5ga", - &pwr_info->itssi_5g, 0); + &pwr_info->itssi_5g, 0, fallback); nvram_read_u16(prefix, postfix, "pa2gw0a", - &pwr_info->pa_2g[0], 0); + &pwr_info->pa_2g[0], 0, fallback); nvram_read_u16(prefix, postfix, "pa2gw1a", - &pwr_info->pa_2g[1], 0); + &pwr_info->pa_2g[1], 0, fallback); nvram_read_u16(prefix, postfix, "pa2gw2a", - &pwr_info->pa_2g[2], 0); + &pwr_info->pa_2g[2], 0, fallback); nvram_read_u8(prefix, postfix, "maxp5ga", - &pwr_info->maxpwr_5g, 0); + &pwr_info->maxpwr_5g, 0, fallback); nvram_read_u8(prefix, postfix, "maxp5gha", - &pwr_info->maxpwr_5gh, 0); + &pwr_info->maxpwr_5gh, 0, fallback); nvram_read_u8(prefix, postfix, "maxp5gla", - &pwr_info->maxpwr_5gl, 0); + &pwr_info->maxpwr_5gl, 0, fallback); nvram_read_u16(prefix, postfix, "pa5gw0a", - &pwr_info->pa_5g[0], 0); + &pwr_info->pa_5g[0], 0, fallback); nvram_read_u16(prefix, postfix, "pa5gw1a", - &pwr_info->pa_5g[1], 0); + &pwr_info->pa_5g[1], 0, fallback); nvram_read_u16(prefix, postfix, "pa5gw2a", - &pwr_info->pa_5g[2], 0); + &pwr_info->pa_5g[2], 0, fallback); nvram_read_u16(prefix, postfix, "pa5glw0a", - &pwr_info->pa_5gl[0], 0); + &pwr_info->pa_5gl[0], 0, fallback); nvram_read_u16(prefix, postfix, "pa5glw1a", - &pwr_info->pa_5gl[1], 0); + &pwr_info->pa_5gl[1], 0, fallback); nvram_read_u16(prefix, postfix, "pa5glw2a", - &pwr_info->pa_5gl[2], 0); + &pwr_info->pa_5gl[2], 0, fallback); nvram_read_u16(prefix, postfix, "pa5ghw0a", - &pwr_info->pa_5gh[0], 0); + &pwr_info->pa_5gh[0], 0, fallback); nvram_read_u16(prefix, postfix, "pa5ghw1a", - &pwr_info->pa_5gh[1], 0); + &pwr_info->pa_5gh[1], 0, fallback); nvram_read_u16(prefix, postfix, "pa5ghw2a", - &pwr_info->pa_5gh[2], 0); + &pwr_info->pa_5gh[2], 0, fallback); } } static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, - const char *prefix) + const char *prefix, bool fallback) { char postfix[2]; int i; @@ -531,91 +620,112 @@ static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; snprintf(postfix, sizeof(postfix), "%i", i); nvram_read_u16(prefix, postfix, "pa2gw3a", - &pwr_info->pa_2g[3], 0); + &pwr_info->pa_2g[3], 0, fallback); nvram_read_u16(prefix, postfix, "pa5gw3a", - &pwr_info->pa_5g[3], 0); + &pwr_info->pa_5g[3], 0, fallback); nvram_read_u16(prefix, postfix, "pa5glw3a", - &pwr_info->pa_5gl[3], 0); + &pwr_info->pa_5gl[3], 0, fallback); nvram_read_u16(prefix, postfix, "pa5ghw3a", - &pwr_info->pa_5gh[3], 0); + &pwr_info->pa_5gh[3], 0, fallback); } } -void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, const char *prefix) +static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, + const char *prefix, bool fallback) { - nvram_read_macaddr(prefix, "et0macaddr", &sprom->et0mac); - nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0); - nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0); - - nvram_read_macaddr(prefix, "et1macaddr", &sprom->et1mac); - nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0); - nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0); + nvram_read_macaddr(prefix, "et0macaddr", &sprom->et0mac, fallback); + nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0, + fallback); + nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0, + fallback); + + nvram_read_macaddr(prefix, "et1macaddr", &sprom->et1mac, fallback); + nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0, + fallback); + nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0, + fallback); + + nvram_read_macaddr(prefix, "macaddr", &sprom->il0mac, fallback); + nvram_read_macaddr(prefix, "il0macaddr", &sprom->il0mac, fallback); +} - nvram_read_macaddr(prefix, "macaddr", &sprom->il0mac); - nvram_read_macaddr(prefix, "il0macaddr", &sprom->il0mac); +static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, + bool fallback) +{ + nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0, + fallback); + nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0, + fallback); + nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0, + fallback); + nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, + &sprom->boardflags_hi, fallback); + nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, + &sprom->boardflags2_hi, fallback); } -void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix) +void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, + bool fallback) { - bcm47xx_fill_sprom_ethernet(sprom, prefix); + bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); + bcm47xx_fill_board_data(sprom, prefix, fallback); - nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0); + nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); switch (sprom->revision) { case 1: - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r12389(sprom, prefix); - bcm47xx_fill_sprom_r1(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r1(sprom, prefix, fallback); break; case 2: - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r12389(sprom, prefix); - bcm47xx_fill_sprom_r2389(sprom, prefix); - bcm47xx_fill_sprom_r2(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); break; case 3: - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r12389(sprom, prefix); - bcm47xx_fill_sprom_r2389(sprom, prefix); - bcm47xx_fill_sprom_r389(sprom, prefix); - bcm47xx_fill_sprom_r3(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r3(sprom, prefix, fallback); break; case 4: case 5: - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r4589(sprom, prefix); - bcm47xx_fill_sprom_r458(sprom, prefix); - bcm47xx_fill_sprom_r45(sprom, prefix); - bcm47xx_fill_sprom_path_r4589(sprom, prefix); - bcm47xx_fill_sprom_path_r45(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r458(sprom, prefix, fallback); + bcm47xx_fill_sprom_r45(sprom, prefix, fallback); + bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); + bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); break; case 8: - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r12389(sprom, prefix); - bcm47xx_fill_sprom_r2389(sprom, prefix); - bcm47xx_fill_sprom_r389(sprom, prefix); - bcm47xx_fill_sprom_r4589(sprom, prefix); - bcm47xx_fill_sprom_r458(sprom, prefix); - bcm47xx_fill_sprom_r89(sprom, prefix); - bcm47xx_fill_sprom_path_r4589(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r458(sprom, prefix, fallback); + bcm47xx_fill_sprom_r89(sprom, prefix, fallback); + bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); break; case 9: - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r12389(sprom, prefix); - bcm47xx_fill_sprom_r2389(sprom, prefix); - bcm47xx_fill_sprom_r389(sprom, prefix); - bcm47xx_fill_sprom_r4589(sprom, prefix); - bcm47xx_fill_sprom_r89(sprom, prefix); - bcm47xx_fill_sprom_r9(sprom, prefix); - bcm47xx_fill_sprom_path_r4589(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r89(sprom, prefix, fallback); + bcm47xx_fill_sprom_r9(sprom, prefix, fallback); + bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); break; default: pr_warn("Unsupported SPROM revision %d detected. Will extract" " v1\n", sprom->revision); sprom->revision = 1; - bcm47xx_fill_sprom_r1234589(sprom, prefix); - bcm47xx_fill_sprom_r12389(sprom, prefix); - bcm47xx_fill_sprom_r1(sprom, prefix); + bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); + bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); + bcm47xx_fill_sprom_r1(sprom, prefix, fallback); } } @@ -623,11 +733,12 @@ void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix) void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo, const char *prefix) { - nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0); + nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0, + true); if (!boardinfo->vendor) boardinfo->vendor = SSB_BOARDVENDOR_BCM; - nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0); + nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true); } #endif @@ -635,10 +746,11 @@ void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo, void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo, const char *prefix) { - nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0); + nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0, + true); if (!boardinfo->vendor) boardinfo->vendor = SSB_BOARDVENDOR_BCM; - nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0); + nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true); } #endif diff --git a/arch/mips/bcm47xx/wgt634u.c b/arch/mips/bcm47xx/wgt634u.c index e9f9ec8d443b..6c28f6d891d3 100644 --- a/arch/mips/bcm47xx/wgt634u.c +++ b/arch/mips/bcm47xx/wgt634u.c @@ -11,6 +11,7 @@ #include <linux/leds.h> #include <linux/mtd/physmap.h> #include <linux/ssb/ssb.h> +#include <linux/ssb/ssb_embedded.h> #include <linux/interrupt.h> #include <linux/reboot.h> #include <linux/gpio.h> @@ -116,7 +117,8 @@ static irqreturn_t gpio_interrupt(int irq, void *ignored) /* Interrupt are level triggered, revert the interrupt polarity to clear the interrupt. */ - gpio_polarity(WGT634U_GPIO_RESET, state); + ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << WGT634U_GPIO_RESET, + state ? 1 << WGT634U_GPIO_RESET : 0); if (!state) { printk(KERN_INFO "Reset button pressed"); @@ -150,7 +152,9 @@ static int __init wgt634u_init(void) gpio_interrupt, IRQF_SHARED, "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) { gpio_direction_input(WGT634U_GPIO_RESET); - gpio_intmask(WGT634U_GPIO_RESET, 1); + ssb_gpio_intmask(&bcm47xx_bus.ssb, + 1 << WGT634U_GPIO_RESET, + 1 << WGT634U_GPIO_RESET); ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco, SSB_CHIPCO_IRQ_GPIO, SSB_CHIPCO_IRQ_GPIO); diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index 9bbb30a9dc20..ac2807397c1c 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,6 +1,7 @@ -obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-flash.o dev-pcmcia.o dev-rng.o \ - dev-spi.o dev-uart.o dev-wdt.o dev-usb-usbd.o +obj-y += clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \ + setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \ + dev-pcmcia.o dev-rng.o dev-spi.o dev-uart.o dev-wdt.o \ + dev-usb-usbd.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index 1cd4d73f23c7..73be9b349690 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -18,6 +18,7 @@ #include <bcm63xx_dev_uart.h> #include <bcm63xx_regs.h> #include <bcm63xx_io.h> +#include <bcm63xx_nvram.h> #include <bcm63xx_dev_pci.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> @@ -29,8 +30,6 @@ #define PFX "board_bcm963xx: " -static struct bcm963xx_nvram nvram; -static unsigned int mac_addr_used; static struct board_info board; /* @@ -716,50 +715,14 @@ const char *board_get_name(void) } /* - * register & return a new board mac address - */ -static int board_get_mac_address(u8 *mac) -{ - u8 *oui; - int count; - - if (mac_addr_used >= nvram.mac_addr_count) { - printk(KERN_ERR PFX "not enough mac address\n"); - return -ENODEV; - } - - memcpy(mac, nvram.mac_addr_base, ETH_ALEN); - oui = mac + ETH_ALEN/2 - 1; - count = mac_addr_used; - - while (count--) { - u8 *p = mac + ETH_ALEN - 1; - - do { - (*p)++; - if (*p != 0) - break; - p--; - } while (p != oui); - - if (p == oui) { - printk(KERN_ERR PFX "unable to fetch mac address\n"); - return -ENODEV; - } - } - - mac_addr_used++; - return 0; -} - -/* * early init callback, read nvram data from flash and checksum it */ void __init board_prom_init(void) { - unsigned int check_len, i; - u8 *boot_addr, *cfe, *p; + unsigned int i; + u8 *boot_addr, *cfe; char cfe_version[32]; + char *board_name; u32 val; /* read base address of boot chip select (0) @@ -782,27 +745,15 @@ void __init board_prom_init(void) strcpy(cfe_version, "unknown"); printk(KERN_INFO PFX "CFE version: %s\n", cfe_version); - /* extract nvram data */ - memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram)); - - /* check checksum before using data */ - if (nvram.version <= 4) - check_len = offsetof(struct bcm963xx_nvram, checksum_old); - else - check_len = sizeof(nvram); - val = 0; - p = (u8 *)&nvram; - while (check_len--) - val += *p; - if (val) { + if (bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET)) { printk(KERN_ERR PFX "invalid nvram checksum\n"); return; } + board_name = bcm63xx_nvram_get_name(); /* find board by name */ for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) { - if (strncmp(nvram.name, bcm963xx_boards[i]->name, - sizeof(nvram.name))) + if (strncmp(board_name, bcm963xx_boards[i]->name, 16)) continue; /* copy, board desc array is marked initdata */ memcpy(&board, bcm963xx_boards[i], sizeof(board)); @@ -812,7 +763,7 @@ void __init board_prom_init(void) /* bail out if board is not found, will complain later */ if (!board.name[0]) { char name[17]; - memcpy(name, nvram.name, 16); + memcpy(name, board_name, 16); name[16] = 0; printk(KERN_ERR PFX "unknown bcm963xx board: %s\n", name); @@ -890,11 +841,11 @@ int __init board_register_devices(void) bcm63xx_pcmcia_register(); if (board.has_enet0 && - !board_get_mac_address(board.enet0.mac_addr)) + !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr)) bcm63xx_enet_register(0, &board.enet0); if (board.has_enet1 && - !board_get_mac_address(board.enet1.mac_addr)) + !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr)) bcm63xx_enet_register(1, &board.enet1); if (board.has_usbd) @@ -907,7 +858,7 @@ int __init board_register_devices(void) * do this after registering enet devices */ #ifdef CONFIG_SSB_PCIHOST - if (!board_get_mac_address(bcm63xx_sprom.il0mac)) { + if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) { memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN); memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN); if (ssb_arch_register_fallback_sprom( diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index dff79ab6005e..b9e948d59430 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -14,6 +14,7 @@ #include <bcm63xx_cpu.h> #include <bcm63xx_io.h> #include <bcm63xx_regs.h> +#include <bcm63xx_reset.h> #include <bcm63xx_clk.h> static DEFINE_MUTEX(clocks_mutex); @@ -124,15 +125,10 @@ static void enetsw_set(struct clk *clk, int enable) CKCTL_6368_SWPKT_USB_EN | CKCTL_6368_SWPKT_SAR_EN, enable); if (enable) { - u32 val; - /* reset switch core afer clock change */ - val = bcm_perf_readl(PERF_SOFTRESET_6368_REG); - val &= ~SOFTRESET_6368_ENETSW_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_ENETSW, 1); msleep(10); - val |= SOFTRESET_6368_ENETSW_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_ENETSW, 0); msleep(10); } } @@ -222,15 +218,10 @@ static void xtm_set(struct clk *clk, int enable) CKCTL_6368_SWPKT_SAR_EN, enable); if (enable) { - u32 val; - /* reset sar core afer clock change */ - val = bcm_perf_readl(PERF_SOFTRESET_6368_REG); - val &= ~SOFTRESET_6368_SAR_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_SAR, 1); mdelay(1); - val |= SOFTRESET_6368_SAR_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_SAR, 0); mdelay(1); } } @@ -253,6 +244,19 @@ static struct clk clk_ipsec = { }; /* + * PCIe clock + */ + +static void pcie_set(struct clk *clk, int enable) +{ + bcm_hwclock_set(CKCTL_6328_PCIE_EN, enable); +} + +static struct clk clk_pcie = { + .set = pcie_set, +}; + +/* * Internal peripheral clock */ static struct clk clk_periph = { @@ -313,6 +317,8 @@ struct clk *clk_get(struct device *dev, const char *id) return &clk_pcm; if (BCMCPU_IS_6368() && !strcmp(id, "ipsec")) return &clk_ipsec; + if (BCMCPU_IS_6328() && !strcmp(id, "pcie")) + return &clk_pcie; return ERR_PTR(-ENOENT); } diff --git a/arch/mips/bcm63xx/nvram.c b/arch/mips/bcm63xx/nvram.c new file mode 100644 index 000000000000..620611680839 --- /dev/null +++ b/arch/mips/bcm63xx/nvram.c @@ -0,0 +1,107 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#define pr_fmt(fmt) "bcm63xx_nvram: " fmt + +#include <linux/init.h> +#include <linux/crc32.h> +#include <linux/export.h> +#include <linux/kernel.h> +#include <linux/if_ether.h> + +#include <bcm63xx_nvram.h> + +/* + * nvram structure + */ +struct bcm963xx_nvram { + u32 version; + u8 reserved1[256]; + u8 name[16]; + u32 main_tp_number; + u32 psi_size; + u32 mac_addr_count; + u8 mac_addr_base[ETH_ALEN]; + u8 reserved2[2]; + u32 checksum_old; + u8 reserved3[720]; + u32 checksum_high; +}; + +static struct bcm963xx_nvram nvram; +static int mac_addr_used; + +int __init bcm63xx_nvram_init(void *addr) +{ + unsigned int check_len; + u32 crc, expected_crc; + + /* extract nvram data */ + memcpy(&nvram, addr, sizeof(nvram)); + + /* check checksum before using data */ + if (nvram.version <= 4) { + check_len = offsetof(struct bcm963xx_nvram, reserved3); + expected_crc = nvram.checksum_old; + nvram.checksum_old = 0; + } else { + check_len = sizeof(nvram); + expected_crc = nvram.checksum_high; + nvram.checksum_high = 0; + } + + crc = crc32_le(~0, (u8 *)&nvram, check_len); + + if (crc != expected_crc) + return -EINVAL; + + return 0; +} + +u8 *bcm63xx_nvram_get_name(void) +{ + return nvram.name; +} +EXPORT_SYMBOL(bcm63xx_nvram_get_name); + +int bcm63xx_nvram_get_mac_address(u8 *mac) +{ + u8 *oui; + int count; + + if (mac_addr_used >= nvram.mac_addr_count) { + pr_err("not enough mac addresses\n"); + return -ENODEV; + } + + memcpy(mac, nvram.mac_addr_base, ETH_ALEN); + oui = mac + ETH_ALEN/2 - 1; + count = mac_addr_used; + + while (count--) { + u8 *p = mac + ETH_ALEN - 1; + + do { + (*p)++; + if (*p != 0) + break; + p--; + } while (p != oui); + + if (p == oui) { + pr_err("unable to fetch mac address\n"); + return -ENODEV; + } + } + + mac_addr_used++; + return 0; +} +EXPORT_SYMBOL(bcm63xx_nvram_get_mac_address); diff --git a/arch/mips/bcm63xx/reset.c b/arch/mips/bcm63xx/reset.c new file mode 100644 index 000000000000..68a31bb90cbf --- /dev/null +++ b/arch/mips/bcm63xx/reset.c @@ -0,0 +1,223 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_reset.h> + +#define __GEN_RESET_BITS_TABLE(__cpu) \ + [BCM63XX_RESET_SPI] = BCM## __cpu ##_RESET_SPI, \ + [BCM63XX_RESET_ENET] = BCM## __cpu ##_RESET_ENET, \ + [BCM63XX_RESET_USBH] = BCM## __cpu ##_RESET_USBH, \ + [BCM63XX_RESET_USBD] = BCM## __cpu ##_RESET_USBD, \ + [BCM63XX_RESET_DSL] = BCM## __cpu ##_RESET_DSL, \ + [BCM63XX_RESET_SAR] = BCM## __cpu ##_RESET_SAR, \ + [BCM63XX_RESET_EPHY] = BCM## __cpu ##_RESET_EPHY, \ + [BCM63XX_RESET_ENETSW] = BCM## __cpu ##_RESET_ENETSW, \ + [BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \ + [BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \ + [BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \ + [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT, + +#define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK +#define BCM6328_RESET_ENET 0 +#define BCM6328_RESET_USBH SOFTRESET_6328_USBH_MASK +#define BCM6328_RESET_USBD SOFTRESET_6328_USBS_MASK +#define BCM6328_RESET_DSL 0 +#define BCM6328_RESET_SAR SOFTRESET_6328_SAR_MASK +#define BCM6328_RESET_EPHY SOFTRESET_6328_EPHY_MASK +#define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK +#define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK +#define BCM6328_RESET_MPI 0 +#define BCM6328_RESET_PCIE \ + (SOFTRESET_6328_PCIE_MASK | \ + SOFTRESET_6328_PCIE_CORE_MASK | \ + SOFTRESET_6328_PCIE_HARD_MASK) +#define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK + +#define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK +#define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK +#define BCM6338_RESET_USBH SOFTRESET_6338_USBH_MASK +#define BCM6338_RESET_USBD SOFTRESET_6338_USBS_MASK +#define BCM6338_RESET_DSL SOFTRESET_6338_ADSL_MASK +#define BCM6338_RESET_SAR SOFTRESET_6338_SAR_MASK +#define BCM6338_RESET_EPHY 0 +#define BCM6338_RESET_ENETSW 0 +#define BCM6338_RESET_PCM 0 +#define BCM6338_RESET_MPI 0 +#define BCM6338_RESET_PCIE 0 +#define BCM6338_RESET_PCIE_EXT 0 + +#define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK +#define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK +#define BCM6348_RESET_USBH SOFTRESET_6348_USBH_MASK +#define BCM6348_RESET_USBD SOFTRESET_6348_USBS_MASK +#define BCM6348_RESET_DSL SOFTRESET_6348_ADSL_MASK +#define BCM6348_RESET_SAR SOFTRESET_6348_SAR_MASK +#define BCM6348_RESET_EPHY 0 +#define BCM6348_RESET_ENETSW 0 +#define BCM6348_RESET_PCM 0 +#define BCM6348_RESET_MPI 0 +#define BCM6348_RESET_PCIE 0 +#define BCM6348_RESET_PCIE_EXT 0 + +#define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK +#define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK +#define BCM6358_RESET_USBH SOFTRESET_6358_USBH_MASK +#define BCM6358_RESET_USBD 0 +#define BCM6358_RESET_DSL SOFTRESET_6358_ADSL_MASK +#define BCM6358_RESET_SAR SOFTRESET_6358_SAR_MASK +#define BCM6358_RESET_EPHY SOFTRESET_6358_EPHY_MASK +#define BCM6358_RESET_ENETSW 0 +#define BCM6358_RESET_PCM SOFTRESET_6358_PCM_MASK +#define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK +#define BCM6358_RESET_PCIE 0 +#define BCM6358_RESET_PCIE_EXT 0 + +#define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK +#define BCM6368_RESET_ENET 0 +#define BCM6368_RESET_USBH SOFTRESET_6368_USBH_MASK +#define BCM6368_RESET_USBD SOFTRESET_6368_USBS_MASK +#define BCM6368_RESET_DSL 0 +#define BCM6368_RESET_SAR SOFTRESET_6368_SAR_MASK +#define BCM6368_RESET_EPHY SOFTRESET_6368_EPHY_MASK +#define BCM6368_RESET_ENETSW 0 +#define BCM6368_RESET_PCM SOFTRESET_6368_PCM_MASK +#define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK +#define BCM6368_RESET_PCIE 0 +#define BCM6368_RESET_PCIE_EXT 0 + +#ifdef BCMCPU_RUNTIME_DETECT + +/* + * core reset bits + */ +static const u32 bcm6328_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6328) +}; + +static const u32 bcm6338_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6338) +}; + +static const u32 bcm6348_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6348) +}; + +static const u32 bcm6358_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6358) +}; + +static const u32 bcm6368_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6368) +}; + +const u32 *bcm63xx_reset_bits; +static int reset_reg; + +static int __init bcm63xx_reset_bits_init(void) +{ + if (BCMCPU_IS_6328()) { + reset_reg = PERF_SOFTRESET_6328_REG; + bcm63xx_reset_bits = bcm6328_reset_bits; + } else if (BCMCPU_IS_6338()) { + reset_reg = PERF_SOFTRESET_REG; + bcm63xx_reset_bits = bcm6338_reset_bits; + } else if (BCMCPU_IS_6348()) { + reset_reg = PERF_SOFTRESET_REG; + bcm63xx_reset_bits = bcm6348_reset_bits; + } else if (BCMCPU_IS_6358()) { + reset_reg = PERF_SOFTRESET_6358_REG; + bcm63xx_reset_bits = bcm6358_reset_bits; + } else if (BCMCPU_IS_6368()) { + reset_reg = PERF_SOFTRESET_6368_REG; + bcm63xx_reset_bits = bcm6368_reset_bits; + } + + return 0; +} +#else + +#ifdef CONFIG_BCM63XX_CPU_6328 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6328) +}; +#define reset_reg PERF_SOFTRESET_6328_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6338 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6338) +}; +#define reset_reg PERF_SOFTRESET_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6345 +static const u32 bcm63xx_reset_bits[] = { }; +#define reset_reg 0 +#endif + +#ifdef CONFIG_BCM63XX_CPU_6348 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6348) +}; +#define reset_reg PERF_SOFTRESET_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6358 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6358) +}; +#define reset_reg PERF_SOFTRESET_6358_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6368 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6368) +}; +#define reset_reg PERF_SOFTRESET_6368_REG +#endif + +static int __init bcm63xx_reset_bits_init(void) { return 0; } +#endif + +static DEFINE_SPINLOCK(reset_mutex); + +static void __bcm63xx_core_set_reset(u32 mask, int enable) +{ + unsigned long flags; + u32 val; + + if (!mask) + return; + + spin_lock_irqsave(&reset_mutex, flags); + val = bcm_perf_readl(reset_reg); + + if (enable) + val &= ~mask; + else + val |= mask; + + bcm_perf_writel(val, reset_reg); + spin_unlock_irqrestore(&reset_mutex, flags); +} + +void bcm63xx_core_set_reset(enum bcm63xx_core_reset core, int reset) +{ + __bcm63xx_core_set_reset(bcm63xx_reset_bits[core], reset); +} +EXPORT_SYMBOL(bcm63xx_core_set_reset); + +postcore_initcall(bcm63xx_reset_bits_init); diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c index e44a55bc7f0d..237e5b1a72d8 100644 --- a/arch/mips/cavium-octeon/flash_setup.c +++ b/arch/mips/cavium-octeon/flash_setup.c @@ -51,7 +51,8 @@ static int __init flash_init(void) flash_map.name = "phys_mapped_flash"; flash_map.phys = region_cfg.s.base << 16; flash_map.size = 0x1fc00000 - flash_map.phys; - flash_map.bankwidth = 1; + /* 8-bit bus (0 + 1) or 16-bit bus (1 + 1) */ + flash_map.bankwidth = region_cfg.s.width + 1; flash_map.virt = ioremap(flash_map.phys, flash_map.size); pr_notice("Bootbus flash: Setting flash for %luMB flash at " "0x%08llx\n", flash_map.size >> 20, flash_map.phys); diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig new file mode 100644 index 000000000000..ea87d43ba607 --- /dev/null +++ b/arch/mips/configs/ath79_defconfig @@ -0,0 +1,111 @@ +CONFIG_ATH79=y +CONFIG_ATH79_MACH_AP121=y +CONFIG_ATH79_MACH_AP81=y +CONFIG_ATH79_MACH_DB120=y +CONFIG_ATH79_MACH_PB44=y +CONFIG_ATH79_MACH_UBNT_XM=y +CONFIG_HZ_100=y +# CONFIG_SECCOMP is not set +CONFIG_EXPERIMENTAL=y +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SYSVIPC=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_BLK_DEV_INITRD=y +# CONFIG_RD_GZIP is not set +CONFIG_RD_LZMA=y +# CONFIG_KALLSYMS is not set +# CONFIG_AIO is not set +CONFIG_EMBEDDED=y +# CONFIG_VM_EVENT_COUNTERS is not set +# CONFIG_SLUB_DEBUG is not set +# CONFIG_COMPAT_BRK is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_PCI=y +# CONFIG_SUSPEND is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_IPV6 is not set +CONFIG_CFG80211=m +CONFIG_MAC80211=m +CONFIG_MAC80211_DEBUGFS=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_MTD=y +CONFIG_MTD_REDBOOT_PARTS=y +CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-2 +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_COMPLEX_MAPPINGS=y +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_M25P80=y +# CONFIG_M25PXX_USE_FAST_READ is not set +CONFIG_NETDEVICES=y +# CONFIG_NET_PACKET_ENGINE is not set +CONFIG_ATH_COMMON=m +CONFIG_ATH9K=m +CONFIG_ATH9K_AHB=y +CONFIG_INPUT=m +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO_POLLED=m +# CONFIG_INPUT_MOUSE is not set +CONFIG_INPUT_MISC=y +# CONFIG_SERIO is not set +# CONFIG_VT is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=1 +CONFIG_SERIAL_8250_RUNTIME_UARTS=1 +CONFIG_SERIAL_AR933X=y +CONFIG_SERIAL_AR933X_CONSOLE=y +# CONFIG_HW_RANDOM is not set +CONFIG_I2C=y +# CONFIG_I2C_COMPAT is not set +# CONFIG_I2C_HELPER_AUTO is not set +CONFIG_I2C_GPIO=y +CONFIG_SPI=y +CONFIG_SPI_ATH79=y +CONFIG_SPI_GPIO=y +CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_PCF857X=y +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_ATH79_WDT=y +# CONFIG_VGA_ARB is not set +# CONFIG_HID is not set +# CONFIG_USB_HID is not set +CONFIG_USB=y +CONFIG_USB_EHCI_HCD=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +CONFIG_USB_OHCI_HCD=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +# CONFIG_IOMMU_SUPPORT is not set +# CONFIG_DNOTIFY is not set +# CONFIG_PROC_PAGE_MONITOR is not set +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_STRIP_ASM_SYMS=y +CONFIG_DEBUG_FS=y +# CONFIG_SCHED_DEBUG is not set +# CONFIG_FTRACE is not set +CONFIG_CRYPTO=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRC_ITU_T=m diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h index 26fdaf40b930..cc7563ba1cbf 100644 --- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h +++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h @@ -44,8 +44,8 @@ union bcm47xx_bus { extern union bcm47xx_bus bcm47xx_bus; extern enum bcm47xx_bus_type bcm47xx_bus_type; -void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix); -void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, const char *prefix); +void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, + bool fallback); #ifdef CONFIG_BCM47XX_SSB void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo, diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h index 2ef17e8df403..90daefa24a4d 100644 --- a/arch/mips/include/asm/mach-bcm47xx/gpio.h +++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h @@ -1,155 +1,17 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> - */ +#ifndef __ASM_MIPS_MACH_BCM47XX_GPIO_H +#define __ASM_MIPS_MACH_BCM47XX_GPIO_H -#ifndef __BCM47XX_GPIO_H -#define __BCM47XX_GPIO_H +#include <asm-generic/gpio.h> -#include <linux/ssb/ssb_embedded.h> -#include <linux/bcma/bcma.h> -#include <asm/mach-bcm47xx/bcm47xx.h> +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value -#define BCM47XX_EXTIF_GPIO_LINES 5 -#define BCM47XX_CHIPCO_GPIO_LINES 16 +#define gpio_cansleep __gpio_cansleep +#define gpio_to_irq __gpio_to_irq -extern int gpio_request(unsigned gpio, const char *label); -extern void gpio_free(unsigned gpio); -extern int gpio_to_irq(unsigned gpio); - -static inline int gpio_get_value(unsigned gpio) +static inline int irq_to_gpio(unsigned int irq) { - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - return ssb_gpio_in(&bcm47xx_bus.ssb, 1 << gpio); -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, - 1 << gpio); -#endif - } return -EINVAL; } -#define gpio_get_value_cansleep gpio_get_value - -static inline void gpio_set_value(unsigned gpio, int value) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio, - value ? 1 << gpio : 0); - return; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, - value ? 1 << gpio : 0); - return; #endif - } -} - -#define gpio_set_value_cansleep gpio_set_value - -static inline int gpio_cansleep(unsigned gpio) -{ - return 0; -} - -static inline int gpio_is_valid(unsigned gpio) -{ - return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES); -} - - -static inline int gpio_direction_input(unsigned gpio) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 0); - return 0; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, - 0); - return 0; -#endif - } - return -EINVAL; -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - /* first set the gpio out value */ - ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio, - value ? 1 << gpio : 0); - /* then set the gpio mode */ - ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 1 << gpio); - return 0; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - /* first set the gpio out value */ - bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, - value ? 1 << gpio : 0); - /* then set the gpio mode */ - bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, - 1 << gpio); - return 0; -#endif - } - return -EINVAL; -} - -static inline int gpio_intmask(unsigned gpio, int value) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - ssb_gpio_intmask(&bcm47xx_bus.ssb, 1 << gpio, - value ? 1 << gpio : 0); - return 0; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc, - 1 << gpio, value ? 1 << gpio : 0); - return 0; -#endif - } - return -EINVAL; -} - -static inline int gpio_polarity(unsigned gpio, int value) -{ - switch (bcm47xx_bus_type) { -#ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << gpio, - value ? 1 << gpio : 0); - return 0; -#endif -#ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: - bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc, - 1 << gpio, value ? 1 << gpio : 0); - return 0; -#endif - } - return -EINVAL; -} - - -#endif /* __BCM47XX_GPIO_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h new file mode 100644 index 000000000000..62d6a3b4d3b7 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h @@ -0,0 +1,35 @@ +#ifndef BCM63XX_NVRAM_H +#define BCM63XX_NVRAM_H + +#include <linux/types.h> + +/** + * bcm63xx_nvram_init() - initializes nvram + * @nvram: address of the nvram data + * + * Initialized the local nvram copy from the target address and checks + * its checksum. + * + * Returns 0 on success. + */ +int __init bcm63xx_nvram_init(void *nvram); + +/** + * bcm63xx_nvram_get_name() - returns the board name according to nvram + * + * Returns the board name field from nvram. Note that it might not be + * null terminated if it is exactly 16 bytes long. + */ +u8 *bcm63xx_nvram_get_name(void); + +/** + * bcm63xx_nvram_get_mac_address() - register & return a new mac address + * @mac: pointer to array for allocated mac + * + * Registers and returns a mac address from the allocated macs from nvram. + * + * Returns 0 on success. + */ +int bcm63xx_nvram_get_mac_address(u8 *mac); + +#endif /* BCM63XX_NVRAM_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index 12963d05da86..c3eeb90b480a 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -53,13 +53,18 @@ CKCTL_6338_SAR_EN | \ CKCTL_6338_SPI_EN) -#define CKCTL_6345_CPU_EN (1 << 0) -#define CKCTL_6345_BUS_EN (1 << 1) -#define CKCTL_6345_EBI_EN (1 << 2) -#define CKCTL_6345_UART_EN (1 << 3) -#define CKCTL_6345_ADSLPHY_EN (1 << 4) -#define CKCTL_6345_ENET_EN (1 << 7) -#define CKCTL_6345_USBH_EN (1 << 8) +/* BCM6345 clock bits are shifted by 16 on the left, because of the test + * control register which is 16-bits wide. That way we do not have any + * specific BCM6345 code for handling clocks, and writing 0 to the test + * control register is fine. + */ +#define CKCTL_6345_CPU_EN (1 << 16) +#define CKCTL_6345_BUS_EN (1 << 17) +#define CKCTL_6345_EBI_EN (1 << 18) +#define CKCTL_6345_UART_EN (1 << 19) +#define CKCTL_6345_ADSLPHY_EN (1 << 20) +#define CKCTL_6345_ENET_EN (1 << 23) +#define CKCTL_6345_USBH_EN (1 << 24) #define CKCTL_6345_ALL_SAFE_EN (CKCTL_6345_ENET_EN | \ CKCTL_6345_USBH_EN | \ @@ -191,6 +196,7 @@ /* Soft Reset register */ #define PERF_SOFTRESET_REG 0x28 #define PERF_SOFTRESET_6328_REG 0x10 +#define PERF_SOFTRESET_6358_REG 0x34 #define PERF_SOFTRESET_6368_REG 0x10 #define SOFTRESET_6328_SPI_MASK (1 << 0) @@ -244,6 +250,15 @@ SOFTRESET_6348_ACLC_MASK | \ SOFTRESET_6348_ADSLMIPSPLL_MASK) +#define SOFTRESET_6358_SPI_MASK (1 << 0) +#define SOFTRESET_6358_ENET_MASK (1 << 2) +#define SOFTRESET_6358_MPI_MASK (1 << 3) +#define SOFTRESET_6358_EPHY_MASK (1 << 6) +#define SOFTRESET_6358_SAR_MASK (1 << 7) +#define SOFTRESET_6358_USBH_MASK (1 << 12) +#define SOFTRESET_6358_PCM_MASK (1 << 13) +#define SOFTRESET_6358_ADSL_MASK (1 << 14) + #define SOFTRESET_6368_SPI_MASK (1 << 0) #define SOFTRESET_6368_MPI_MASK (1 << 3) #define SOFTRESET_6368_EPHY_MASK (1 << 6) diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h new file mode 100644 index 000000000000..3a6eb9c1adc6 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h @@ -0,0 +1,21 @@ +#ifndef __BCM63XX_RESET_H +#define __BCM63XX_RESET_H + +enum bcm63xx_core_reset { + BCM63XX_RESET_SPI, + BCM63XX_RESET_ENET, + BCM63XX_RESET_USBH, + BCM63XX_RESET_USBD, + BCM63XX_RESET_SAR, + BCM63XX_RESET_DSL, + BCM63XX_RESET_EPHY, + BCM63XX_RESET_ENETSW, + BCM63XX_RESET_PCM, + BCM63XX_RESET_MPI, + BCM63XX_RESET_PCIE, + BCM63XX_RESET_PCIE_EXT, +}; + +void bcm63xx_core_set_reset(enum bcm63xx_core_reset, int reset); + +#endif diff --git a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h index b0dd4bb53f7e..682bcf3b492a 100644 --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h +++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h @@ -15,23 +15,6 @@ #define BCM963XX_NVRAM_OFFSET 0x580 /* - * nvram structure - */ -struct bcm963xx_nvram { - u32 version; - u8 reserved1[256]; - u8 name[16]; - u32 main_tp_number; - u32 psi_size; - u32 mac_addr_count; - u8 mac_addr_base[6]; - u8 reserved2[2]; - u32 checksum_old; - u8 reserved3[720]; - u32 checksum_high; -}; - -/* * board definition */ struct board_info { diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h index 6a2df709c576..133336b493b6 100644 --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h @@ -82,6 +82,9 @@ extern __iomem void *ltq_cgu_membase; #define LTQ_MPS_BASE_ADDR (KSEG1 + 0x1F107000) #define LTQ_MPS_CHIPID ((u32 *)(LTQ_MPS_BASE_ADDR + 0x0344)) +/* allow booting xrx200 phys */ +int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr); + /* request a non-gpio and set the PIO config */ #define PMU_PPE BIT(13) extern void ltq_pmu_enable(unsigned int module); diff --git a/arch/mips/include/asm/mach-loongson1/platform.h b/arch/mips/include/asm/mach-loongson1/platform.h index 2f171617bade..718a1228a4f3 100644 --- a/arch/mips/include/asm/mach-loongson1/platform.h +++ b/arch/mips/include/asm/mach-loongson1/platform.h @@ -18,6 +18,7 @@ extern struct platform_device ls1x_eth0_device; extern struct platform_device ls1x_ehci_device; extern struct platform_device ls1x_rtc_device; -void ls1x_serial_setup(void); +extern void __init ls1x_clk_init(void); +extern void __init ls1x_serial_setup(struct platform_device *pdev); #endif /* __ASM_MACH_LOONGSON1_PLATFORM_H */ diff --git a/arch/mips/include/asm/mach-loongson1/regs-clk.h b/arch/mips/include/asm/mach-loongson1/regs-clk.h index 8efa7fb9f73a..a81fa3d0dc91 100644 --- a/arch/mips/include/asm/mach-loongson1/regs-clk.h +++ b/arch/mips/include/asm/mach-loongson1/regs-clk.h @@ -20,14 +20,15 @@ /* Clock PLL Divisor Register Bits */ #define DIV_DC_EN (0x1 << 31) -#define DIV_DC (0x1f << 26) #define DIV_CPU_EN (0x1 << 25) -#define DIV_CPU (0x1f << 20) #define DIV_DDR_EN (0x1 << 19) -#define DIV_DDR (0x1f << 14) #define DIV_DC_SHIFT 26 #define DIV_CPU_SHIFT 20 #define DIV_DDR_SHIFT 14 +#define DIV_DC_WIDTH 5 +#define DIV_CPU_WIDTH 5 +#define DIV_DDR_WIDTH 5 + #endif /* __ASM_MACH_LOONGSON1_REGS_CLK_H */ diff --git a/arch/mips/include/asm/mach-netlogic/irq.h b/arch/mips/include/asm/mach-netlogic/irq.h index b5902458e7c1..868ed8a2ed5c 100644 --- a/arch/mips/include/asm/mach-netlogic/irq.h +++ b/arch/mips/include/asm/mach-netlogic/irq.h @@ -8,7 +8,9 @@ #ifndef __ASM_NETLOGIC_IRQ_H #define __ASM_NETLOGIC_IRQ_H -#define NR_IRQS 64 +#include <asm/mach-netlogic/multi-node.h> +#define NR_IRQS (64 * NLM_NR_NODES) + #define MIPS_CPU_IRQ_BASE 0 #endif /* __ASM_NETLOGIC_IRQ_H */ diff --git a/arch/mips/include/asm/mach-netlogic/multi-node.h b/arch/mips/include/asm/mach-netlogic/multi-node.h new file mode 100644 index 000000000000..d62fc773f4d7 --- /dev/null +++ b/arch/mips/include/asm/mach-netlogic/multi-node.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _NETLOGIC_MULTI_NODE_H_ +#define _NETLOGIC_MULTI_NODE_H_ + +#ifndef CONFIG_NLM_MULTINODE +#define NLM_NR_NODES 1 +#else +#if defined(CONFIG_NLM_MULTINODE_2) +#define NLM_NR_NODES 2 +#elif defined(CONFIG_NLM_MULTINODE_4) +#define NLM_NR_NODES 4 +#else +#define NLM_NR_NODES 1 +#endif +#endif + +#define NLM_CORES_PER_NODE 8 +#define NLM_THREADS_PER_CORE 4 +#define NLM_CPUS_PER_NODE (NLM_CORES_PER_NODE * NLM_THREADS_PER_CORE) + +#endif diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h index fdd2f44c7b59..42bfd5f1eeec 100644 --- a/arch/mips/include/asm/netlogic/common.h +++ b/arch/mips/include/asm/netlogic/common.h @@ -45,15 +45,19 @@ #define BOOT_NMI_HANDLER 8 #ifndef __ASSEMBLY__ +#include <linux/cpumask.h> +#include <linux/spinlock.h> +#include <asm/irq.h> +#include <asm/mach-netlogic/multi-node.h> + struct irq_desc; -extern struct plat_smp_ops nlm_smp_ops; -extern char nlm_reset_entry[], nlm_reset_entry_end[]; void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc); void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc); -void nlm_smp_irq_init(void); +void nlm_smp_irq_init(int hwcpuid); void nlm_boot_secondary_cpus(void); -int nlm_wakeup_secondary_cpus(u32 wakeup_mask); +int nlm_wakeup_secondary_cpus(void); void nlm_rmiboot_preboot(void); +void nlm_percpu_init(int hwcpuid); static inline void nlm_set_nmi_handler(void *handler) @@ -68,9 +72,42 @@ nlm_set_nmi_handler(void *handler) * Misc. */ unsigned int nlm_get_cpu_frequency(void); +void nlm_node_init(int node); +extern struct plat_smp_ops nlm_smp_ops; +extern char nlm_reset_entry[], nlm_reset_entry_end[]; + +extern unsigned int nlm_threads_per_core; +extern cpumask_t nlm_cpumask; + +struct nlm_soc_info { + unsigned long coremask; /* cores enabled on the soc */ + unsigned long ebase; + uint64_t irqmask; + uint64_t sysbase; /* only for XLP */ + uint64_t picbase; + spinlock_t piclock; +}; + +#define nlm_get_node(i) (&nlm_nodes[i]) +#ifdef CONFIG_CPU_XLR +#define nlm_current_node() (&nlm_nodes[0]) +#else +#define nlm_current_node() (&nlm_nodes[nlm_nodeid()]) +#endif + +struct irq_data; +uint64_t nlm_pci_irqmask(int node); +void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *)); + +/* + * The NR_IRQs is divided between nodes, each of them has a separate irq space + */ +static inline int nlm_irq_to_xirq(int node, int irq) +{ + return node * NR_IRQS / NLM_NR_NODES + irq; +} -extern unsigned long nlm_common_ebase; -extern int nlm_threads_per_core; -extern uint32_t nlm_cpumask, nlm_coremask; +extern struct nlm_soc_info nlm_nodes[NLM_NR_NODES]; +extern int nlm_cpu_ready[]; #endif #endif /* _NETLOGIC_COMMON_H_ */ diff --git a/arch/mips/include/asm/netlogic/interrupt.h b/arch/mips/include/asm/netlogic/interrupt.h index a85aadb6cfd7..ed5993d9b7b8 100644 --- a/arch/mips/include/asm/netlogic/interrupt.h +++ b/arch/mips/include/asm/netlogic/interrupt.h @@ -39,7 +39,7 @@ #define IRQ_IPI_SMP_FUNCTION 3 #define IRQ_IPI_SMP_RESCHEDULE 4 -#define IRQ_MSGRING 6 +#define IRQ_FMN 5 #define IRQ_TIMER 7 #endif diff --git a/arch/mips/include/asm/netlogic/mips-extns.h b/arch/mips/include/asm/netlogic/mips-extns.h index 8c53d0ba4bf2..32ba6d95d47c 100644 --- a/arch/mips/include/asm/netlogic/mips-extns.h +++ b/arch/mips/include/asm/netlogic/mips-extns.h @@ -73,4 +73,146 @@ static inline int hard_smp_processor_id(void) return __read_32bit_c0_register($15, 1) & 0x3ff; } +static inline int nlm_nodeid(void) +{ + return (__read_32bit_c0_register($15, 1) >> 5) & 0x3; +} + +static inline unsigned int nlm_core_id(void) +{ + return (read_c0_ebase() & 0x1c) >> 2; +} + +static inline unsigned int nlm_thread_id(void) +{ + return read_c0_ebase() & 0x3; +} + +#define __read_64bit_c2_split(source, sel) \ +({ \ + unsigned long long __val; \ + unsigned long __flags; \ + \ + local_irq_save(__flags); \ + if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc2\t%M0, " #source "\n\t" \ + "dsll\t%L0, %M0, 32\n\t" \ + "dsra\t%M0, %M0, 32\n\t" \ + "dsra\t%L0, %L0, 32\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__val)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc2\t%M0, " #source ", " #sel "\n\t" \ + "dsll\t%L0, %M0, 32\n\t" \ + "dsra\t%M0, %M0, 32\n\t" \ + "dsra\t%L0, %L0, 32\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__val)); \ + local_irq_restore(__flags); \ + \ + __val; \ +}) + +#define __write_64bit_c2_split(source, sel, val) \ +do { \ + unsigned long __flags; \ + \ + local_irq_save(__flags); \ + if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dsll\t%L0, %L0, 32\n\t" \ + "dsrl\t%L0, %L0, 32\n\t" \ + "dsll\t%M0, %M0, 32\n\t" \ + "or\t%L0, %L0, %M0\n\t" \ + "dmtc2\t%L0, " #source "\n\t" \ + ".set\tmips0\n\t" \ + : : "r" (val)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dsll\t%L0, %L0, 32\n\t" \ + "dsrl\t%L0, %L0, 32\n\t" \ + "dsll\t%M0, %M0, 32\n\t" \ + "or\t%L0, %L0, %M0\n\t" \ + "dmtc2\t%L0, " #source ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : : "r" (val)); \ + local_irq_restore(__flags); \ +} while (0) + +#define __read_32bit_c2_register(source, sel) \ +({ uint32_t __res; \ + if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mfc2\t%0, " #source "\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__res)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mfc2\t%0, " #source ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__res)); \ + __res; \ +}) + +#define __read_64bit_c2_register(source, sel) \ +({ unsigned long long __res; \ + if (sizeof(unsigned long) == 4) \ + __res = __read_64bit_c2_split(source, sel); \ + else if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc2\t%0, " #source "\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__res)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc2\t%0, " #source ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__res)); \ + __res; \ +}) + +#define __write_64bit_c2_register(register, sel, value) \ +do { \ + if (sizeof(unsigned long) == 4) \ + __write_64bit_c2_split(register, sel, value); \ + else if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmtc2\t%z0, " #register "\n\t" \ + ".set\tmips0\n\t" \ + : : "Jr" (value)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmtc2\t%z0, " #register ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : : "Jr" (value)); \ +} while (0) + +#define __write_32bit_c2_register(reg, sel, value) \ +({ \ + if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mtc2\t%z0, " #reg "\n\t" \ + ".set\tmips0\n\t" \ + : : "Jr" (value)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mtc2\t%z0, " #reg ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : : "Jr" (value)); \ +}) + #endif /*_ASM_NLM_MIPS_EXTS_H */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h index ad8b80233a63..b2e53a5383ab 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/pic.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h @@ -273,36 +273,16 @@ nlm_pic_read_irt(uint64_t base, int irt_index) return nlm_read_pic_reg(base, PIC_IRT(irt_index)); } -static inline uint64_t -nlm_pic_read_control(uint64_t base) -{ - return nlm_read_pic_reg(base, PIC_CTRL); -} - -static inline void -nlm_pic_write_control(uint64_t base, uint64_t control) -{ - nlm_write_pic_reg(base, PIC_CTRL, control); -} - -static inline void -nlm_pic_update_control(uint64_t base, uint64_t control) -{ - uint64_t val; - - val = nlm_read_pic_reg(base, PIC_CTRL); - nlm_write_pic_reg(base, PIC_CTRL, control | val); -} - static inline void nlm_set_irt_to_cpu(uint64_t base, int irt, int cpu) { uint64_t val; val = nlm_read_pic_reg(base, PIC_IRT(irt)); - val |= cpu & 0xf; - if (cpu > 15) - val |= 1 << 16; + /* clear cpuset and mask */ + val &= ~((0x7ull << 16) | 0xffff); + /* set DB, cpuset and cpumask */ + val |= (1 << 19) | ((cpu >> 4) << 16) | (1 << (cpu & 0xf)); nlm_write_pic_reg(base, PIC_IRT(irt), val); } @@ -369,7 +349,7 @@ nlm_pic_enable_irt(uint64_t base, int irt) static inline void nlm_pic_disable_irt(uint64_t base, int irt) { - uint32_t reg; + uint64_t reg; reg = nlm_read_pic_reg(base, PIC_IRT(irt)); nlm_write_pic_reg(base, PIC_IRT(irt), reg & ~((uint64_t)1 << 31)); @@ -379,15 +359,9 @@ static inline void nlm_pic_send_ipi(uint64_t base, int hwt, int irq, int nmi) { uint64_t ipi; - int node, ncpu; - - node = hwt / 32; - ncpu = hwt & 0x1f; - ipi = ((uint64_t)nmi << 31) | (irq << 20) | (node << 17) | - (1 << (ncpu & 0xf)); - if (ncpu > 15) - ipi |= 0x10000; /* Setting bit 16 to select cpus 16-31 */ + ipi = (nmi << 31) | (irq << 20); + ipi |= ((hwt >> 4) << 16) | (1 << (hwt & 0xf)); /* cpuset and mask */ nlm_write_pic_reg(base, PIC_IPI_CTL, ipi); } @@ -404,12 +378,10 @@ nlm_pic_ack(uint64_t base, int irt_num) static inline void nlm_pic_init_irt(uint64_t base, int irt, int irq, int hwt) { - nlm_pic_write_irt_direct(base, irt, 0, 0, 0, irq, 0); + nlm_pic_write_irt_direct(base, irt, 0, 0, 0, irq, hwt); } -extern uint64_t nlm_pic_base; int nlm_irq_to_irt(int irq); -int nlm_irt_to_irq(int irt); #endif /* __ASSEMBLY__ */ #endif /* _NLM_HAL_PIC_H */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/sys.h b/arch/mips/include/asm/netlogic/xlp-hal/sys.h index 21432f7d89b9..258e8cc00e99 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/sys.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/sys.h @@ -124,6 +124,5 @@ #define nlm_get_sys_pcibase(node) nlm_pcicfg_base(XLP_IO_SYS_OFFSET(node)) #define nlm_get_sys_regbase(node) (nlm_get_sys_pcibase(node) + XLP_IO_PCI_HDRSZ) -extern uint64_t nlm_sys_base; #endif #endif diff --git a/arch/mips/include/asm/netlogic/xlr/fmn.h b/arch/mips/include/asm/netlogic/xlr/fmn.h new file mode 100644 index 000000000000..68d5167c86bb --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlr/fmn.h @@ -0,0 +1,363 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _NLM_FMN_H_ +#define _NLM_FMN_H_ + +#include <asm/netlogic/mips-extns.h> /* for COP2 access */ + +/* Station IDs */ +#define FMN_STNID_CPU0 0x00 +#define FMN_STNID_CPU1 0x08 +#define FMN_STNID_CPU2 0x10 +#define FMN_STNID_CPU3 0x18 +#define FMN_STNID_CPU4 0x20 +#define FMN_STNID_CPU5 0x28 +#define FMN_STNID_CPU6 0x30 +#define FMN_STNID_CPU7 0x38 + +#define FMN_STNID_XGS0_TX 64 +#define FMN_STNID_XMAC0_00_TX 64 +#define FMN_STNID_XMAC0_01_TX 65 +#define FMN_STNID_XMAC0_02_TX 66 +#define FMN_STNID_XMAC0_03_TX 67 +#define FMN_STNID_XMAC0_04_TX 68 +#define FMN_STNID_XMAC0_05_TX 69 +#define FMN_STNID_XMAC0_06_TX 70 +#define FMN_STNID_XMAC0_07_TX 71 +#define FMN_STNID_XMAC0_08_TX 72 +#define FMN_STNID_XMAC0_09_TX 73 +#define FMN_STNID_XMAC0_10_TX 74 +#define FMN_STNID_XMAC0_11_TX 75 +#define FMN_STNID_XMAC0_12_TX 76 +#define FMN_STNID_XMAC0_13_TX 77 +#define FMN_STNID_XMAC0_14_TX 78 +#define FMN_STNID_XMAC0_15_TX 79 + +#define FMN_STNID_XGS1_TX 80 +#define FMN_STNID_XMAC1_00_TX 80 +#define FMN_STNID_XMAC1_01_TX 81 +#define FMN_STNID_XMAC1_02_TX 82 +#define FMN_STNID_XMAC1_03_TX 83 +#define FMN_STNID_XMAC1_04_TX 84 +#define FMN_STNID_XMAC1_05_TX 85 +#define FMN_STNID_XMAC1_06_TX 86 +#define FMN_STNID_XMAC1_07_TX 87 +#define FMN_STNID_XMAC1_08_TX 88 +#define FMN_STNID_XMAC1_09_TX 89 +#define FMN_STNID_XMAC1_10_TX 90 +#define FMN_STNID_XMAC1_11_TX 91 +#define FMN_STNID_XMAC1_12_TX 92 +#define FMN_STNID_XMAC1_13_TX 93 +#define FMN_STNID_XMAC1_14_TX 94 +#define FMN_STNID_XMAC1_15_TX 95 + +#define FMN_STNID_GMAC 96 +#define FMN_STNID_GMACJFR_0 96 +#define FMN_STNID_GMACRFR_0 97 +#define FMN_STNID_GMACTX0 98 +#define FMN_STNID_GMACTX1 99 +#define FMN_STNID_GMACTX2 100 +#define FMN_STNID_GMACTX3 101 +#define FMN_STNID_GMACJFR_1 102 +#define FMN_STNID_GMACRFR_1 103 + +#define FMN_STNID_DMA 104 +#define FMN_STNID_DMA_0 104 +#define FMN_STNID_DMA_1 105 +#define FMN_STNID_DMA_2 106 +#define FMN_STNID_DMA_3 107 + +#define FMN_STNID_XGS0FR 112 +#define FMN_STNID_XMAC0JFR 112 +#define FMN_STNID_XMAC0RFR 113 + +#define FMN_STNID_XGS1FR 114 +#define FMN_STNID_XMAC1JFR 114 +#define FMN_STNID_XMAC1RFR 115 +#define FMN_STNID_SEC 120 +#define FMN_STNID_SEC0 120 +#define FMN_STNID_SEC1 121 +#define FMN_STNID_SEC2 122 +#define FMN_STNID_SEC3 123 +#define FMN_STNID_PK0 124 +#define FMN_STNID_SEC_RSA 124 +#define FMN_STNID_SEC_RSVD0 125 +#define FMN_STNID_SEC_RSVD1 126 +#define FMN_STNID_SEC_RSVD2 127 + +#define FMN_STNID_GMAC1 80 +#define FMN_STNID_GMAC1_FR_0 81 +#define FMN_STNID_GMAC1_TX0 82 +#define FMN_STNID_GMAC1_TX1 83 +#define FMN_STNID_GMAC1_TX2 84 +#define FMN_STNID_GMAC1_TX3 85 +#define FMN_STNID_GMAC1_FR_1 87 +#define FMN_STNID_GMAC0 96 +#define FMN_STNID_GMAC0_FR_0 97 +#define FMN_STNID_GMAC0_TX0 98 +#define FMN_STNID_GMAC0_TX1 99 +#define FMN_STNID_GMAC0_TX2 100 +#define FMN_STNID_GMAC0_TX3 101 +#define FMN_STNID_GMAC0_FR_1 103 +#define FMN_STNID_CMP_0 108 +#define FMN_STNID_CMP_1 109 +#define FMN_STNID_CMP_2 110 +#define FMN_STNID_CMP_3 111 +#define FMN_STNID_PCIE_0 116 +#define FMN_STNID_PCIE_1 117 +#define FMN_STNID_PCIE_2 118 +#define FMN_STNID_PCIE_3 119 +#define FMN_STNID_XLS_PK0 121 + +#define nlm_read_c2_cc0(s) __read_32bit_c2_register($16, s) +#define nlm_read_c2_cc1(s) __read_32bit_c2_register($17, s) +#define nlm_read_c2_cc2(s) __read_32bit_c2_register($18, s) +#define nlm_read_c2_cc3(s) __read_32bit_c2_register($19, s) +#define nlm_read_c2_cc4(s) __read_32bit_c2_register($20, s) +#define nlm_read_c2_cc5(s) __read_32bit_c2_register($21, s) +#define nlm_read_c2_cc6(s) __read_32bit_c2_register($22, s) +#define nlm_read_c2_cc7(s) __read_32bit_c2_register($23, s) +#define nlm_read_c2_cc8(s) __read_32bit_c2_register($24, s) +#define nlm_read_c2_cc9(s) __read_32bit_c2_register($25, s) +#define nlm_read_c2_cc10(s) __read_32bit_c2_register($26, s) +#define nlm_read_c2_cc11(s) __read_32bit_c2_register($27, s) +#define nlm_read_c2_cc12(s) __read_32bit_c2_register($28, s) +#define nlm_read_c2_cc13(s) __read_32bit_c2_register($29, s) +#define nlm_read_c2_cc14(s) __read_32bit_c2_register($30, s) +#define nlm_read_c2_cc15(s) __read_32bit_c2_register($31, s) + +#define nlm_write_c2_cc0(s, v) __write_32bit_c2_register($16, s, v) +#define nlm_write_c2_cc1(s, v) __write_32bit_c2_register($17, s, v) +#define nlm_write_c2_cc2(s, v) __write_32bit_c2_register($18, s, v) +#define nlm_write_c2_cc3(s, v) __write_32bit_c2_register($19, s, v) +#define nlm_write_c2_cc4(s, v) __write_32bit_c2_register($20, s, v) +#define nlm_write_c2_cc5(s, v) __write_32bit_c2_register($21, s, v) +#define nlm_write_c2_cc6(s, v) __write_32bit_c2_register($22, s, v) +#define nlm_write_c2_cc7(s, v) __write_32bit_c2_register($23, s, v) +#define nlm_write_c2_cc8(s, v) __write_32bit_c2_register($24, s, v) +#define nlm_write_c2_cc9(s, v) __write_32bit_c2_register($25, s, v) +#define nlm_write_c2_cc10(s, v) __write_32bit_c2_register($26, s, v) +#define nlm_write_c2_cc11(s, v) __write_32bit_c2_register($27, s, v) +#define nlm_write_c2_cc12(s, v) __write_32bit_c2_register($28, s, v) +#define nlm_write_c2_cc13(s, v) __write_32bit_c2_register($29, s, v) +#define nlm_write_c2_cc14(s, v) __write_32bit_c2_register($30, s, v) +#define nlm_write_c2_cc15(s, v) __write_32bit_c2_register($31, s, v) + +#define nlm_read_c2_status(sel) __read_32bit_c2_register($2, 0) +#define nlm_read_c2_config() __read_32bit_c2_register($3, 0) +#define nlm_write_c2_config(v) __write_32bit_c2_register($3, 0, v) +#define nlm_read_c2_bucksize(b) __read_32bit_c2_register($4, b) +#define nlm_write_c2_bucksize(b, v) __write_32bit_c2_register($4, b, v) + +#define nlm_read_c2_rx_msg0() __read_64bit_c2_register($1, 0) +#define nlm_read_c2_rx_msg1() __read_64bit_c2_register($1, 1) +#define nlm_read_c2_rx_msg2() __read_64bit_c2_register($1, 2) +#define nlm_read_c2_rx_msg3() __read_64bit_c2_register($1, 3) + +#define nlm_write_c2_tx_msg0(v) __write_64bit_c2_register($0, 0, v) +#define nlm_write_c2_tx_msg1(v) __write_64bit_c2_register($0, 1, v) +#define nlm_write_c2_tx_msg2(v) __write_64bit_c2_register($0, 2, v) +#define nlm_write_c2_tx_msg3(v) __write_64bit_c2_register($0, 3, v) + +#define FMN_STN_RX_QSIZE 256 +#define FMN_NSTATIONS 128 +#define FMN_CORE_NBUCKETS 8 + +static inline void nlm_msgsnd(unsigned int stid) +{ + __asm__ volatile ( + ".set push\n" + ".set noreorder\n" + ".set noat\n" + "move $1, %0\n" + "c2 0x10001\n" /* msgsnd $1 */ + ".set pop\n" + : : "r" (stid) : "$1" + ); +} + +static inline void nlm_msgld(unsigned int pri) +{ + __asm__ volatile ( + ".set push\n" + ".set noreorder\n" + ".set noat\n" + "move $1, %0\n" + "c2 0x10002\n" /* msgld $1 */ + ".set pop\n" + : : "r" (pri) : "$1" + ); +} + +static inline void nlm_msgwait(unsigned int mask) +{ + __asm__ volatile ( + ".set push\n" + ".set noreorder\n" + ".set noat\n" + "move $8, %0\n" + "c2 0x10003\n" /* msgwait $1 */ + ".set pop\n" + : : "r" (mask) : "$1" + ); +} + +/* + * Disable interrupts and enable COP2 access + */ +static inline uint32_t nlm_cop2_enable(void) +{ + uint32_t sr = read_c0_status(); + + write_c0_status((sr & ~ST0_IE) | ST0_CU2); + return sr; +} + +static inline void nlm_cop2_restore(uint32_t sr) +{ + write_c0_status(sr); +} + +static inline void nlm_fmn_setup_intr(int irq, unsigned int tmask) +{ + uint32_t config; + + config = (1 << 24) /* interrupt water mark - 1 msg */ + | (irq << 16) /* irq */ + | (tmask << 8) /* thread mask */ + | 0x2; /* enable watermark intr, disable empty intr */ + nlm_write_c2_config(config); +} + +struct nlm_fmn_msg { + uint64_t msg0; + uint64_t msg1; + uint64_t msg2; + uint64_t msg3; +}; + +static inline int nlm_fmn_send(unsigned int size, unsigned int code, + unsigned int stid, struct nlm_fmn_msg *msg) +{ + unsigned int dest; + uint32_t status; + int i; + + /* + * Make sure that all the writes pending at the cpu are flushed. + * Any writes pending on CPU will not be see by devices. L1/L2 + * caches are coherent with IO, so no cache flush needed. + */ + __asm __volatile("sync"); + + /* Load TX message buffers */ + nlm_write_c2_tx_msg0(msg->msg0); + nlm_write_c2_tx_msg1(msg->msg1); + nlm_write_c2_tx_msg2(msg->msg2); + nlm_write_c2_tx_msg3(msg->msg3); + dest = ((size - 1) << 16) | (code << 8) | stid; + + /* + * Retry a few times on credit fail, this should be a + * transient condition, unless there is a configuration + * failure, or the receiver is stuck. + */ + for (i = 0; i < 8; i++) { + nlm_msgsnd(dest); + status = nlm_read_c2_status(0); + if ((status & 0x2) == 1) + pr_info("Send pending fail!\n"); + if ((status & 0x4) == 0) + return 0; + } + + /* If there is a credit failure, return error */ + return status & 0x06; +} + +static inline int nlm_fmn_receive(int bucket, int *size, int *code, int *stid, + struct nlm_fmn_msg *msg) +{ + uint32_t status, tmp; + + nlm_msgld(bucket); + + /* wait for load pending to clear */ + do { + status = nlm_read_c2_status(1); + } while ((status & 0x08) != 0); + + /* receive error bits */ + tmp = status & 0x30; + if (tmp != 0) + return tmp; + + *size = ((status & 0xc0) >> 6) + 1; + *code = (status & 0xff00) >> 8; + *stid = (status & 0x7f0000) >> 16; + msg->msg0 = nlm_read_c2_rx_msg0(); + msg->msg1 = nlm_read_c2_rx_msg1(); + msg->msg2 = nlm_read_c2_rx_msg2(); + msg->msg3 = nlm_read_c2_rx_msg3(); + + return 0; +} + +struct xlr_fmn_info { + int num_buckets; + int start_stn_id; + int end_stn_id; + int credit_config[128]; +}; + +struct xlr_board_fmn_config { + int bucket_size[128]; /* size of buckets for all stations */ + struct xlr_fmn_info cpu[8]; + struct xlr_fmn_info gmac[2]; + struct xlr_fmn_info dma; + struct xlr_fmn_info cmp; + struct xlr_fmn_info sae; + struct xlr_fmn_info xgmac[2]; +}; + +extern int nlm_register_fmn_handler(int start, int end, + void (*fn)(int, int, int, int, struct nlm_fmn_msg *, void *), + void *arg); +extern void xlr_percpu_fmn_init(void); +extern void nlm_setup_fmn_irq(void); +extern void xlr_board_info_setup(void); + +extern struct xlr_board_fmn_config xlr_board_fmn_config; +#endif diff --git a/arch/mips/include/asm/netlogic/xlr/pic.h b/arch/mips/include/asm/netlogic/xlr/pic.h index 868013e62f32..9a691b1f91ba 100644 --- a/arch/mips/include/asm/netlogic/xlr/pic.h +++ b/arch/mips/include/asm/netlogic/xlr/pic.h @@ -258,7 +258,5 @@ nlm_pic_init_irt(uint64_t base, int irt, int irq, int hwt) nlm_write_reg(base, PIC_IRT_1(irt), (1 << 30) | (1 << 6) | irq); } - -extern uint64_t nlm_pic_base; #endif #endif /* _ASM_NLM_XLR_PIC_H */ diff --git a/arch/mips/include/asm/netlogic/xlr/xlr.h b/arch/mips/include/asm/netlogic/xlr/xlr.h index ff4a17b0bf78..c1667e0c272a 100644 --- a/arch/mips/include/asm/netlogic/xlr/xlr.h +++ b/arch/mips/include/asm/netlogic/xlr/xlr.h @@ -51,10 +51,8 @@ static inline unsigned int nlm_chip_is_xls_b(void) return ((prid & 0xf000) == 0x4000); } -/* - * XLR chip types - */ - /* The XLS product line has chip versions 0x[48c]? */ +/* XLR chip types */ +/* The XLS product line has chip versions 0x[48c]? */ static inline unsigned int nlm_chip_is_xls(void) { uint32_t prid = read_c0_prid(); diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index a9b995dcf691..b14c14d90fc2 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -840,6 +840,16 @@ static const struct mips_perf_event bmips5000_event_map [PERF_COUNT_HW_BRANCH_MISSES] = { 0x02, CNTR_ODD, T }, }; +static const struct mips_perf_event xlp_event_map[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = { 0x01, CNTR_ALL }, + [PERF_COUNT_HW_INSTRUCTIONS] = { 0x18, CNTR_ALL }, /* PAPI_TOT_INS */ + [PERF_COUNT_HW_CACHE_REFERENCES] = { 0x04, CNTR_ALL }, /* PAPI_L1_ICA */ + [PERF_COUNT_HW_CACHE_MISSES] = { 0x07, CNTR_ALL }, /* PAPI_L1_ICM */ + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x1b, CNTR_ALL }, /* PAPI_BR_CN */ + [PERF_COUNT_HW_BRANCH_MISSES] = { 0x1c, CNTR_ALL }, /* PAPI_BR_MSP */ + [PERF_COUNT_HW_BUS_CYCLES] = { UNSUPPORTED_PERF_EVENT_ID }, +}; + /* 24K/34K/1004K cores can share the same cache event map. */ static const struct mips_perf_event mipsxxcore_cache_map [PERF_COUNT_HW_CACHE_MAX] @@ -1092,6 +1102,100 @@ static const struct mips_perf_event octeon_cache_map }, }; +static const struct mips_perf_event xlp_cache_map + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { +[C(L1D)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = { 0x31, CNTR_ALL }, /* PAPI_L1_DCR */ + [C(RESULT_MISS)] = { 0x30, CNTR_ALL }, /* PAPI_L1_LDM */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = { 0x2f, CNTR_ALL }, /* PAPI_L1_DCW */ + [C(RESULT_MISS)] = { 0x2e, CNTR_ALL }, /* PAPI_L1_STM */ + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, +}, +[C(L1I)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = { 0x04, CNTR_ALL }, /* PAPI_L1_ICA */ + [C(RESULT_MISS)] = { 0x07, CNTR_ALL }, /* PAPI_L1_ICM */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, +}, +[C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = { 0x35, CNTR_ALL }, /* PAPI_L2_DCR */ + [C(RESULT_MISS)] = { 0x37, CNTR_ALL }, /* PAPI_L2_LDM */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = { 0x34, CNTR_ALL }, /* PAPI_L2_DCA */ + [C(RESULT_MISS)] = { 0x36, CNTR_ALL }, /* PAPI_L2_DCM */ + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, +}, +[C(DTLB)] = { + /* + * Only general DTLB misses are counted use the same event for + * read and write. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { 0x2d, CNTR_ALL }, /* PAPI_TLB_DM */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { 0x2d, CNTR_ALL }, /* PAPI_TLB_DM */ + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, +}, +[C(ITLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { 0x08, CNTR_ALL }, /* PAPI_TLB_IM */ + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { 0x08, CNTR_ALL }, /* PAPI_TLB_IM */ + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, +}, +[C(BPU)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { 0x25, CNTR_ALL }, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = { UNSUPPORTED_PERF_EVENT_ID }, + [C(RESULT_MISS)] = { UNSUPPORTED_PERF_EVENT_ID }, + }, +}, +}; + #ifdef CONFIG_MIPS_MT_SMP static void check_and_calc_range(struct perf_event *event, const struct mips_perf_event *pev) @@ -1444,6 +1548,20 @@ static const struct mips_perf_event *octeon_pmu_map_raw_event(u64 config) return &raw_event; } +static const struct mips_perf_event *xlp_pmu_map_raw_event(u64 config) +{ + unsigned int raw_id = config & 0xff; + + /* Only 1-63 are defined */ + if ((raw_id < 0x01) || (raw_id > 0x3f)) + return ERR_PTR(-EOPNOTSUPP); + + raw_event.cntr_mask = CNTR_ALL; + raw_event.event_id = raw_id; + + return &raw_event; +} + static int __init init_hw_perf_events(void) { @@ -1522,6 +1640,12 @@ init_hw_perf_events(void) mipspmu.general_event_map = &bmips5000_event_map; mipspmu.cache_event_map = &bmips5000_cache_map; break; + case CPU_XLP: + mipspmu.name = "xlp"; + mipspmu.general_event_map = &xlp_event_map; + mipspmu.cache_event_map = &xlp_cache_map; + mipspmu.map_raw_event = xlp_pmu_map_raw_event; + break; default: pr_cont("Either hardware does not support performance " "counters, or not yet implemented.\n"); diff --git a/arch/mips/lantiq/Kconfig b/arch/mips/lantiq/Kconfig index d84f361f1e45..c0021912131e 100644 --- a/arch/mips/lantiq/Kconfig +++ b/arch/mips/lantiq/Kconfig @@ -36,4 +36,8 @@ config PCI_LANTIQ bool "PCI Support" depends on SOC_XWAY && PCI +config XRX200_PHY_FW + bool "XRX200 PHY firmware loader" + depends on SOC_XWAY + endif diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index 6cfd6117fbfd..9f9e875967aa 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -87,9 +87,6 @@ void __init device_tree_init(void) reserve_bootmem(base, size, BOOTMEM_DEFAULT); unflatten_device_tree(); - - /* free the space reserved for the dt blob */ - free_bootmem(base, size); } void __init prom_init(void) @@ -119,7 +116,7 @@ int __init plat_of_setup(void) sizeof(of_ids[0].compatible)); strncpy(of_ids[1].compatible, "simple-bus", sizeof(of_ids[1].compatible)); - return of_platform_bus_probe(NULL, of_ids, NULL); + return of_platform_populate(NULL, of_ids, NULL, NULL); } arch_initcall(plat_of_setup); diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile index 70a58c747bd0..7a13660d630d 100644 --- a/arch/mips/lantiq/xway/Makefile +++ b/arch/mips/lantiq/xway/Makefile @@ -1 +1,3 @@ obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o + +obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index 0f7228d350d5..6453962ac898 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -25,6 +25,7 @@ #include <lantiq_soc.h> #include <xway_dma.h> +#define LTQ_DMA_ID 0x08 #define LTQ_DMA_CTRL 0x10 #define LTQ_DMA_CPOLL 0x14 #define LTQ_DMA_CS 0x18 @@ -214,6 +215,7 @@ ltq_dma_init(struct platform_device *pdev) { struct clk *clk; struct resource *res; + unsigned id; int i; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -243,7 +245,12 @@ ltq_dma_init(struct platform_device *pdev) ltq_dma_w32(DMA_POLL | DMA_CLK_DIV4, LTQ_DMA_CPOLL); ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL); } - dev_info(&pdev->dev, "init done\n"); + + id = ltq_dma_r32(LTQ_DMA_ID); + dev_info(&pdev->dev, + "Init done - hw rev: %X, ports: %d, channels: %d\n", + id & 0x1f, (id >> 16) & 0xf, id >> 20); + return 0; } diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 22c55f73aa9d..544dbb7fb421 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -28,17 +28,24 @@ #define RCU_RST_REQ 0x0010 /* reset status register */ #define RCU_RST_STAT 0x0014 +/* vr9 gphy registers */ +#define RCU_GFS_ADD0_XRX200 0x0020 +#define RCU_GFS_ADD1_XRX200 0x0068 /* reboot bit */ +#define RCU_RD_GPHY0_XRX200 BIT(31) #define RCU_RD_SRST BIT(30) +#define RCU_RD_GPHY1_XRX200 BIT(29) + /* reset cause */ #define RCU_STAT_SHIFT 26 /* boot selection */ -#define RCU_BOOT_SEL_SHIFT 26 -#define RCU_BOOT_SEL_MASK 0x7 +#define RCU_BOOT_SEL(x) ((x >> 18) & 0x7) +#define RCU_BOOT_SEL_XRX200(x) (((x >> 17) & 0xf) | ((x >> 8) & 0x10)) /* remapped base addr of the reset control unit */ static void __iomem *ltq_rcu_membase; +static struct device_node *ltq_rcu_np; /* This function is used by the watchdog driver */ int ltq_reset_cause(void) @@ -52,7 +59,41 @@ EXPORT_SYMBOL_GPL(ltq_reset_cause); unsigned char ltq_boot_select(void) { u32 val = ltq_rcu_r32(RCU_RST_STAT); - return (val >> RCU_BOOT_SEL_SHIFT) & RCU_BOOT_SEL_MASK; + + if (of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200")) + return RCU_BOOT_SEL_XRX200(val); + + return RCU_BOOT_SEL(val); +} + +/* reset / boot a gphy */ +static struct ltq_xrx200_gphy_reset { + u32 rd; + u32 addr; +} xrx200_gphy[] = { + {RCU_RD_GPHY0_XRX200, RCU_GFS_ADD0_XRX200}, + {RCU_RD_GPHY1_XRX200, RCU_GFS_ADD1_XRX200}, +}; + +/* reset and boot a gphy. these phys only exist on xrx200 SoC */ +int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr) +{ + if (!of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200")) { + dev_err(dev, "this SoC has no GPHY\n"); + return -EINVAL; + } + if (id > 1) { + dev_err(dev, "%u is an invalid gphy id\n", id); + return -EINVAL; + } + dev_info(dev, "booting GPHY%u firmware at %X\n", id, dev_addr); + + ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | xrx200_gphy[id].rd, + RCU_RST_REQ); + ltq_rcu_w32(dev_addr, xrx200_gphy[id].addr); + ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) & ~xrx200_gphy[id].rd, + RCU_RST_REQ); + return 0; } /* reset a io domain for u micro seconds */ @@ -85,14 +126,17 @@ static void ltq_machine_power_off(void) static int __init mips_reboot_setup(void) { struct resource res; - struct device_node *np = - of_find_compatible_node(NULL, NULL, "lantiq,rcu-xway"); + + ltq_rcu_np = of_find_compatible_node(NULL, NULL, "lantiq,rcu-xway"); + if (!ltq_rcu_np) + ltq_rcu_np = of_find_compatible_node(NULL, NULL, + "lantiq,rcu-xrx200"); /* check if all the reset register range is available */ - if (!np) + if (!ltq_rcu_np) panic("Failed to load reset resources from devicetree"); - if (of_address_to_resource(np, 0, &res)) + if (of_address_to_resource(ltq_rcu_np, 0, &res)) panic("Failed to get rcu memory range"); if (request_mem_region(res.start, resource_size(&res), res.name) < 0) diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 2917b56b6b25..3925e6609acc 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -370,6 +370,10 @@ void __init ltq_soc_init(void) clkdev_add_pmu("1d900000.pcie", "pdi", 1, PMU1_PCIE_PDI); clkdev_add_pmu("1d900000.pcie", "ctl", 1, PMU1_PCIE_CTL); clkdev_add_pmu("1d900000.pcie", "ahb", 0, PMU_AHBM | PMU_AHBS); + clkdev_add_pmu("1e108000.eth", NULL, 0, + PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM | + PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 | + PMU_PPE_QSB | PMU_PPE_TOP); } else if (of_machine_is_compatible("lantiq,ar9")) { clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(), ltq_ar9_fpi_hz()); diff --git a/arch/mips/lantiq/xway/xrx200_phy_fw.c b/arch/mips/lantiq/xway/xrx200_phy_fw.c new file mode 100644 index 000000000000..fe808bf5366d --- /dev/null +++ b/arch/mips/lantiq/xway/xrx200_phy_fw.c @@ -0,0 +1,97 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2012 John Crispin <blogic@openwrt.org> + */ + +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/module.h> +#include <linux/firmware.h> +#include <linux/of_platform.h> + +#include <lantiq_soc.h> + +#define XRX200_GPHY_FW_ALIGN (16 * 1024) + +static dma_addr_t xway_gphy_load(struct platform_device *pdev) +{ + const struct firmware *fw; + dma_addr_t dev_addr = 0; + const char *fw_name; + void *fw_addr; + size_t size; + + if (of_property_read_string(pdev->dev.of_node, "firmware", &fw_name)) { + dev_err(&pdev->dev, "failed to load firmware filename\n"); + return 0; + } + + dev_info(&pdev->dev, "requesting %s\n", fw_name); + if (request_firmware(&fw, fw_name, &pdev->dev)) { + dev_err(&pdev->dev, "failed to load firmware: %s\n", fw_name); + return 0; + } + + /* + * GPHY cores need the firmware code in a persistent and contiguous + * memory area with a 16 kB boundary aligned start address + */ + size = fw->size + XRX200_GPHY_FW_ALIGN; + + fw_addr = dma_alloc_coherent(&pdev->dev, size, &dev_addr, GFP_KERNEL); + if (fw_addr) { + fw_addr = PTR_ALIGN(fw_addr, XRX200_GPHY_FW_ALIGN); + dev_addr = ALIGN(dev_addr, XRX200_GPHY_FW_ALIGN); + memcpy(fw_addr, fw->data, fw->size); + } else { + dev_err(&pdev->dev, "failed to alloc firmware memory\n"); + } + + release_firmware(fw); + return dev_addr; +} + +static int __devinit xway_phy_fw_probe(struct platform_device *pdev) +{ + dma_addr_t fw_addr; + struct property *pp; + unsigned char *phyids; + int i, ret = 0; + + fw_addr = xway_gphy_load(pdev); + if (!fw_addr) + return -EINVAL; + pp = of_find_property(pdev->dev.of_node, "phys", NULL); + if (!pp) + return -ENOENT; + phyids = pp->value; + for (i = 0; i < pp->length && !ret; i++) + ret = xrx200_gphy_boot(&pdev->dev, phyids[i], fw_addr); + if (!ret) + mdelay(100); + return ret; +} + +static const struct of_device_id xway_phy_match[] = { + { .compatible = "lantiq,phy-xrx200" }, + {}, +}; +MODULE_DEVICE_TABLE(of, xway_phy_match); + +static struct platform_driver xway_phy_driver = { + .probe = xway_phy_fw_probe, + .driver = { + .name = "phy-xrx200", + .owner = THIS_MODULE, + .of_match_table = xway_phy_match, + }, +}; + +module_platform_driver(xway_phy_driver); + +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("Lantiq XRX200 PHY Firmware Loader"); +MODULE_LICENSE("GPL"); diff --git a/arch/mips/loongson1/Kconfig b/arch/mips/loongson1/Kconfig index a9a14d6e81af..fbf75f635798 100644 --- a/arch/mips/loongson1/Kconfig +++ b/arch/mips/loongson1/Kconfig @@ -15,7 +15,7 @@ config LOONGSON1_LS1B select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_HAS_EARLY_PRINTK - select HAVE_CLK + select COMMON_CLK endchoice diff --git a/arch/mips/loongson1/common/clock.c b/arch/mips/loongson1/common/clock.c index 1bbbbec12085..07133defa148 100644 --- a/arch/mips/loongson1/common/clock.c +++ b/arch/mips/loongson1/common/clock.c @@ -7,175 +7,22 @@ * option) any later version. */ -#include <linux/module.h> -#include <linux/list.h> -#include <linux/mutex.h> #include <linux/clk.h> #include <linux/err.h> -#include <asm/clock.h> #include <asm/time.h> - -#include <loongson1.h> - -static LIST_HEAD(clocks); -static DEFINE_MUTEX(clocks_mutex); - -struct clk *clk_get(struct device *dev, const char *name) -{ - struct clk *c; - struct clk *ret = NULL; - - mutex_lock(&clocks_mutex); - list_for_each_entry(c, &clocks, node) { - if (!strcmp(c->name, name)) { - ret = c; - break; - } - } - mutex_unlock(&clocks_mutex); - - return ret; -} -EXPORT_SYMBOL(clk_get); - -int clk_enable(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - return clk->rate; -} -EXPORT_SYMBOL(clk_get_rate); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); - -static void pll_clk_init(struct clk *clk) -{ - u32 pll; - - pll = __raw_readl(LS1X_CLK_PLL_FREQ); - clk->rate = (12 + (pll & 0x3f)) * 33 / 2 - + ((pll >> 8) & 0x3ff) * 33 / 1024 / 2; - clk->rate *= 1000000; -} - -static void cpu_clk_init(struct clk *clk) -{ - u32 pll, ctrl; - - pll = clk_get_rate(clk->parent); - ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_CPU; - clk->rate = pll / (ctrl >> DIV_CPU_SHIFT); -} - -static void ddr_clk_init(struct clk *clk) -{ - u32 pll, ctrl; - - pll = clk_get_rate(clk->parent); - ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_DDR; - clk->rate = pll / (ctrl >> DIV_DDR_SHIFT); -} - -static void dc_clk_init(struct clk *clk) -{ - u32 pll, ctrl; - - pll = clk_get_rate(clk->parent); - ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_DC; - clk->rate = pll / (ctrl >> DIV_DC_SHIFT); -} - -static struct clk_ops pll_clk_ops = { - .init = pll_clk_init, -}; - -static struct clk_ops cpu_clk_ops = { - .init = cpu_clk_init, -}; - -static struct clk_ops ddr_clk_ops = { - .init = ddr_clk_init, -}; - -static struct clk_ops dc_clk_ops = { - .init = dc_clk_init, -}; - -static struct clk pll_clk = { - .name = "pll", - .ops = &pll_clk_ops, -}; - -static struct clk cpu_clk = { - .name = "cpu", - .parent = &pll_clk, - .ops = &cpu_clk_ops, -}; - -static struct clk ddr_clk = { - .name = "ddr", - .parent = &pll_clk, - .ops = &ddr_clk_ops, -}; - -static struct clk dc_clk = { - .name = "dc", - .parent = &pll_clk, - .ops = &dc_clk_ops, -}; - -int clk_register(struct clk *clk) -{ - mutex_lock(&clocks_mutex); - list_add(&clk->node, &clocks); - if (clk->ops->init) - clk->ops->init(clk); - mutex_unlock(&clocks_mutex); - - return 0; -} -EXPORT_SYMBOL(clk_register); - -static struct clk *ls1x_clks[] = { - &pll_clk, - &cpu_clk, - &ddr_clk, - &dc_clk, -}; - -int __init ls1x_clock_init(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ls1x_clks); i++) - clk_register(ls1x_clks[i]); - - return 0; -} +#include <platform.h> void __init plat_time_init(void) { struct clk *clk; /* Initialize LS1X clocks */ - ls1x_clock_init(); + ls1x_clk_init(); /* setup mips r4k timer */ clk = clk_get(NULL, "cpu"); if (IS_ERR(clk)) - panic("unable to get dc clock, err=%ld", PTR_ERR(clk)); + panic("unable to get cpu clock, err=%ld", PTR_ERR(clk)); mips_hpt_frequency = clk_get_rate(clk) / 2; } diff --git a/arch/mips/loongson1/common/platform.c b/arch/mips/loongson1/common/platform.c index e92d59c4bd78..3a42276b8ea6 100644 --- a/arch/mips/loongson1/common/platform.c +++ b/arch/mips/loongson1/common/platform.c @@ -42,16 +42,17 @@ struct platform_device ls1x_uart_device = { }, }; -void __init ls1x_serial_setup(void) +void __init ls1x_serial_setup(struct platform_device *pdev) { struct clk *clk; struct plat_serial8250_port *p; - clk = clk_get(NULL, "dc"); + clk = clk_get(NULL, pdev->name); if (IS_ERR(clk)) - panic("unable to get dc clock, err=%ld", PTR_ERR(clk)); + panic("unable to get %s clock, err=%ld", + pdev->name, PTR_ERR(clk)); - for (p = ls1x_serial8250_port; p->flags != 0; ++p) + for (p = pdev->dev.platform_data; p->flags != 0; ++p) p->uartclk = clk_get_rate(clk); } @@ -70,7 +71,6 @@ static struct resource ls1x_eth0_resources[] = { }; static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = { - .bus_id = 0, .phy_mask = 0, }; diff --git a/arch/mips/loongson1/ls1b/board.c b/arch/mips/loongson1/ls1b/board.c index 295b1be893e3..1fbd5264f667 100644 --- a/arch/mips/loongson1/ls1b/board.c +++ b/arch/mips/loongson1/ls1b/board.c @@ -9,9 +9,6 @@ #include <platform.h> -#include <linux/serial_8250.h> -#include <loongson1.h> - static struct platform_device *ls1b_platform_devices[] __initdata = { &ls1x_uart_device, &ls1x_eth0_device, @@ -23,7 +20,7 @@ static int __init ls1b_platform_init(void) { int err; - ls1x_serial_setup(); + ls1x_serial_setup(&ls1x_uart_device); err = platform_add_devices(ls1b_platform_devices, ARRAY_SIZE(ls1b_platform_devices)); diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index d2b5b0c7afa0..0f7d788e8810 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1333,10 +1333,10 @@ static int __init cca_setup(char *str) { get_option(&str, &cca); - return 1; + return 0; } -__setup("cca=", cca_setup); +early_param("cca", cca_setup); static void __cpuinit coherency_setup(void) { @@ -1386,10 +1386,10 @@ static int __init setcoherentio(char *str) { coherentio = 1; - return 1; + return 0; } -__setup("coherentio", setcoherentio); +early_param("coherentio", setcoherentio); #endif static void __cpuinit r4k_cache_error_setup(void) diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 69a357254e46..05613355627b 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -183,7 +183,9 @@ UASM_L_LA(_tlb_huge_update) static int __cpuinitdata hazard_instance; -static void uasm_bgezl_hazard(u32 **p, struct uasm_reloc **r, int instance) +static void __cpuinit uasm_bgezl_hazard(u32 **p, + struct uasm_reloc **r, + int instance) { switch (instance) { case 0 ... 7: @@ -194,7 +196,9 @@ static void uasm_bgezl_hazard(u32 **p, struct uasm_reloc **r, int instance) } } -static void uasm_bgezl_label(struct uasm_label **l, u32 **p, int instance) +static void __cpuinit uasm_bgezl_label(struct uasm_label **l, + u32 **p, + int instance) { switch (instance) { case 0 ... 7: diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig index 8059eb76f8eb..3c05bf9e280a 100644 --- a/arch/mips/netlogic/Kconfig +++ b/arch/mips/netlogic/Kconfig @@ -9,6 +9,34 @@ config DT_XLP_EVP This DTB will be used if the firmware does not pass in a DTB pointer to the kernel. The corresponding DTS file is at arch/mips/netlogic/dts/xlp_evp.dts + +config NLM_MULTINODE + bool "Support for multi-chip boards" + depends on NLM_XLP_BOARD + default n + help + Add support for boards with 2 or 4 XLPs connected over ICI. + +if NLM_MULTINODE +choice + prompt "Number of XLPs on the board" + default NLM_MULTINODE_2 + help + In the multi-node case, specify the number of SoCs on the board. + +config NLM_MULTINODE_2 + bool "Dual-XLP board" + help + Support boards with upto two XLPs connected over ICI. + +config NLM_MULTINODE_4 + bool "Quad-XLP board" + help + Support boards with upto four XLPs connected over ICI. + +endchoice + +endif endif config NLM_COMMON diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c index e52bfcbce093..00dcc7a2bc5a 100644 --- a/arch/mips/netlogic/common/irq.c +++ b/arch/mips/netlogic/common/irq.c @@ -36,7 +36,6 @@ #include <linux/init.h> #include <linux/linkage.h> #include <linux/interrupt.h> -#include <linux/spinlock.h> #include <linux/mm.h> #include <linux/slab.h> #include <linux/irq.h> @@ -59,68 +58,70 @@ #elif defined(CONFIG_CPU_XLR) #include <asm/netlogic/xlr/iomap.h> #include <asm/netlogic/xlr/pic.h> +#include <asm/netlogic/xlr/fmn.h> #else #error "Unknown CPU" #endif -/* - * These are the routines that handle all the low level interrupt stuff. - * Actions handled here are: initialization of the interrupt map, requesting of - * interrupt lines by handlers, dispatching if interrupts to handlers, probing - * for interrupt lines - */ -/* Globals */ -static uint64_t nlm_irq_mask; -static DEFINE_SPINLOCK(nlm_pic_lock); +#ifdef CONFIG_SMP +#define SMP_IRQ_MASK ((1ULL << IRQ_IPI_SMP_FUNCTION) | \ + (1ULL << IRQ_IPI_SMP_RESCHEDULE)) +#else +#define SMP_IRQ_MASK 0 +#endif +#define PERCPU_IRQ_MASK (SMP_IRQ_MASK | (1ull << IRQ_TIMER) | \ + (1ull << IRQ_FMN)) + +struct nlm_pic_irq { + void (*extra_ack)(struct irq_data *); + struct nlm_soc_info *node; + int picirq; + int irt; + int flags; +}; static void xlp_pic_enable(struct irq_data *d) { unsigned long flags; - int irt; + struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d); - irt = nlm_irq_to_irt(d->irq); - if (irt == -1) - return; - spin_lock_irqsave(&nlm_pic_lock, flags); - nlm_pic_enable_irt(nlm_pic_base, irt); - spin_unlock_irqrestore(&nlm_pic_lock, flags); + BUG_ON(!pd); + spin_lock_irqsave(&pd->node->piclock, flags); + nlm_pic_enable_irt(pd->node->picbase, pd->irt); + spin_unlock_irqrestore(&pd->node->piclock, flags); } static void xlp_pic_disable(struct irq_data *d) { + struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d); unsigned long flags; - int irt; - irt = nlm_irq_to_irt(d->irq); - if (irt == -1) - return; - spin_lock_irqsave(&nlm_pic_lock, flags); - nlm_pic_disable_irt(nlm_pic_base, irt); - spin_unlock_irqrestore(&nlm_pic_lock, flags); + BUG_ON(!pd); + spin_lock_irqsave(&pd->node->piclock, flags); + nlm_pic_disable_irt(pd->node->picbase, pd->irt); + spin_unlock_irqrestore(&pd->node->piclock, flags); } static void xlp_pic_mask_ack(struct irq_data *d) { - uint64_t mask = 1ull << d->irq; + struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d); + uint64_t mask = 1ull << pd->picirq; write_c0_eirr(mask); /* ack by writing EIRR */ } static void xlp_pic_unmask(struct irq_data *d) { - void *hd = irq_data_get_irq_handler_data(d); - int irt; + struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d); - irt = nlm_irq_to_irt(d->irq); - if (irt == -1) + if (!pd) return; - if (hd) { - void (*extra_ack)(void *) = hd; - extra_ack(d); - } + if (pd->extra_ack) + pd->extra_ack(d); + /* Ack is a single write, no need to lock */ - nlm_pic_ack(nlm_pic_base, irt); + nlm_pic_ack(pd->node->picbase, pd->irt); } static struct irq_chip xlp_pic = { @@ -174,64 +175,108 @@ struct irq_chip nlm_cpu_intr = { .irq_eoi = cpuintr_ack, }; -void __init init_nlm_common_irqs(void) +static void __init nlm_init_percpu_irqs(void) { - int i, irq, irt; + int i; for (i = 0; i < PIC_IRT_FIRST_IRQ; i++) irq_set_chip_and_handler(i, &nlm_cpu_intr, handle_percpu_irq); - - for (i = PIC_IRT_FIRST_IRQ; i <= PIC_IRT_LAST_IRQ ; i++) - irq_set_chip_and_handler(i, &xlp_pic, handle_level_irq); - #ifdef CONFIG_SMP irq_set_chip_and_handler(IRQ_IPI_SMP_FUNCTION, &nlm_cpu_intr, nlm_smp_function_ipi_handler); irq_set_chip_and_handler(IRQ_IPI_SMP_RESCHEDULE, &nlm_cpu_intr, nlm_smp_resched_ipi_handler); - nlm_irq_mask |= - ((1ULL << IRQ_IPI_SMP_FUNCTION) | (1ULL << IRQ_IPI_SMP_RESCHEDULE)); #endif +} + +void nlm_setup_pic_irq(int node, int picirq, int irq, int irt) +{ + struct nlm_pic_irq *pic_data; + int xirq; + + xirq = nlm_irq_to_xirq(node, irq); + pic_data = kzalloc(sizeof(*pic_data), GFP_KERNEL); + BUG_ON(pic_data == NULL); + pic_data->irt = irt; + pic_data->picirq = picirq; + pic_data->node = nlm_get_node(node); + irq_set_chip_and_handler(xirq, &xlp_pic, handle_level_irq); + irq_set_handler_data(xirq, pic_data); +} + +void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *)) +{ + struct nlm_pic_irq *pic_data; + int xirq; + + xirq = nlm_irq_to_xirq(node, irq); + pic_data = irq_get_handler_data(xirq); + pic_data->extra_ack = xack; +} - for (irq = PIC_IRT_FIRST_IRQ; irq <= PIC_IRT_LAST_IRQ; irq++) { - irt = nlm_irq_to_irt(irq); +static void nlm_init_node_irqs(int node) +{ + int i, irt; + uint64_t irqmask; + struct nlm_soc_info *nodep; + + pr_info("Init IRQ for node %d\n", node); + nodep = nlm_get_node(node); + irqmask = PERCPU_IRQ_MASK; + for (i = PIC_IRT_FIRST_IRQ; i <= PIC_IRT_LAST_IRQ; i++) { + irt = nlm_irq_to_irt(i); if (irt == -1) continue; - nlm_irq_mask |= (1ULL << irq); - nlm_pic_init_irt(nlm_pic_base, irt, irq, 0); + nlm_setup_pic_irq(node, i, i, irt); + /* set interrupts to first cpu in node */ + nlm_pic_init_irt(nodep->picbase, irt, i, + node * NLM_CPUS_PER_NODE); + irqmask |= (1ull << i); } - - nlm_irq_mask |= (1ULL << IRQ_TIMER); + nodep->irqmask = irqmask; } void __init arch_init_irq(void) { /* Initialize the irq descriptors */ - init_nlm_common_irqs(); - - write_c0_eimr(nlm_irq_mask); + nlm_init_percpu_irqs(); + nlm_init_node_irqs(0); + write_c0_eimr(nlm_current_node()->irqmask); +#if defined(CONFIG_CPU_XLR) + nlm_setup_fmn_irq(); +#endif } -void __cpuinit nlm_smp_irq_init(void) +void nlm_smp_irq_init(int hwcpuid) { - /* set interrupt mask for non-zero cpus */ - write_c0_eimr(nlm_irq_mask); + int node, cpu; + + node = hwcpuid / NLM_CPUS_PER_NODE; + cpu = hwcpuid % NLM_CPUS_PER_NODE; + + if (cpu == 0 && node != 0) + nlm_init_node_irqs(node); + write_c0_eimr(nlm_current_node()->irqmask); } asmlinkage void plat_irq_dispatch(void) { uint64_t eirr; - int i; + int i, node; + node = nlm_nodeid(); eirr = read_c0_eirr() & read_c0_eimr(); - if (eirr & (1 << IRQ_TIMER)) { - do_IRQ(IRQ_TIMER); - return; - } i = __ilog2_u64(eirr); if (i == -1) return; - do_IRQ(i); + /* per-CPU IRQs don't need translation */ + if (eirr & PERCPU_IRQ_MASK) { + do_IRQ(i); + return; + } + + /* top level irq handling */ + do_IRQ(nlm_irq_to_xirq(node, i)); } diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index fab316de57e9..a080d9ee3cd7 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -59,12 +59,17 @@ void nlm_send_ipi_single(int logical_cpu, unsigned int action) { - int cpu = cpu_logical_map(logical_cpu); + int cpu, node; + uint64_t picbase; + + cpu = cpu_logical_map(logical_cpu); + node = cpu / NLM_CPUS_PER_NODE; + picbase = nlm_get_node(node)->picbase; if (action & SMP_CALL_FUNCTION) - nlm_pic_send_ipi(nlm_pic_base, cpu, IRQ_IPI_SMP_FUNCTION, 0); + nlm_pic_send_ipi(picbase, cpu, IRQ_IPI_SMP_FUNCTION, 0); if (action & SMP_RESCHEDULE_YOURSELF) - nlm_pic_send_ipi(nlm_pic_base, cpu, IRQ_IPI_SMP_RESCHEDULE, 0); + nlm_pic_send_ipi(picbase, cpu, IRQ_IPI_SMP_RESCHEDULE, 0); } void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action) @@ -96,11 +101,12 @@ void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc) void nlm_early_init_secondary(int cpu) { change_c0_config(CONF_CM_CMASK, 0x3); - write_c0_ebase((uint32_t)nlm_common_ebase); #ifdef CONFIG_CPU_XLP - if (hard_smp_processor_id() % 4 == 0) + /* mmu init, once per core */ + if (cpu % NLM_THREADS_PER_CORE == 0) xlp_mmu_init(); #endif + write_c0_ebase(nlm_current_node()->ebase); } /* @@ -108,8 +114,12 @@ void nlm_early_init_secondary(int cpu) */ static void __cpuinit nlm_init_secondary(void) { - current_cpu_data.core = hard_smp_processor_id() / 4; - nlm_smp_irq_init(); + int hwtid; + + hwtid = hard_smp_processor_id(); + current_cpu_data.core = hwtid / NLM_THREADS_PER_CORE; + nlm_percpu_init(hwtid); + nlm_smp_irq_init(hwtid); } void nlm_prepare_cpus(unsigned int max_cpus) @@ -120,9 +130,6 @@ void nlm_prepare_cpus(unsigned int max_cpus) void nlm_smp_finish(void) { -#ifdef notyet - nlm_common_msgring_cpu_init(); -#endif local_irq_enable(); } @@ -142,27 +149,27 @@ cpumask_t phys_cpu_present_map; void nlm_boot_secondary(int logical_cpu, struct task_struct *idle) { - unsigned long gp = (unsigned long)task_thread_info(idle); - unsigned long sp = (unsigned long)__KSTK_TOS(idle); - int cpu = cpu_logical_map(logical_cpu); + int cpu, node; - nlm_next_sp = sp; - nlm_next_gp = gp; + cpu = cpu_logical_map(logical_cpu); + node = cpu / NLM_CPUS_PER_NODE; + nlm_next_sp = (unsigned long)__KSTK_TOS(idle); + nlm_next_gp = (unsigned long)task_thread_info(idle); - /* barrier */ + /* barrier for sp/gp store above */ __sync(); - nlm_pic_send_ipi(nlm_pic_base, cpu, 1, 1); + nlm_pic_send_ipi(nlm_get_node(node)->picbase, cpu, 1, 1); /* NMI */ } void __init nlm_smp_setup(void) { unsigned int boot_cpu; - int num_cpus, i; + int num_cpus, i, ncore; boot_cpu = hard_smp_processor_id(); - cpus_clear(phys_cpu_present_map); + cpumask_clear(&phys_cpu_present_map); - cpu_set(boot_cpu, phys_cpu_present_map); + cpumask_set_cpu(boot_cpu, &phys_cpu_present_map); __cpu_number_map[boot_cpu] = 0; __cpu_logical_map[0] = boot_cpu; set_cpu_possible(0, true); @@ -174,7 +181,7 @@ void __init nlm_smp_setup(void) * it is only set for ASPs (see smpboot.S) */ if (nlm_cpu_ready[i]) { - cpu_set(i, phys_cpu_present_map); + cpumask_set_cpu(i, &phys_cpu_present_map); __cpu_number_map[i] = num_cpus; __cpu_logical_map[num_cpus] = i; set_cpu_possible(num_cpus, true); @@ -182,20 +189,28 @@ void __init nlm_smp_setup(void) } } + /* check with the cores we have worken up */ + for (ncore = 0, i = 0; i < NLM_NR_NODES; i++) + ncore += hweight32(nlm_get_node(i)->coremask); + pr_info("Phys CPU present map: %lx, possible map %lx\n", - (unsigned long)phys_cpu_present_map.bits[0], + (unsigned long)cpumask_bits(&phys_cpu_present_map)[0], (unsigned long)cpumask_bits(cpu_possible_mask)[0]); - pr_info("Detected %i Slave CPU(s)\n", num_cpus); + pr_info("Detected (%dc%dt) %d Slave CPU(s)\n", ncore, + nlm_threads_per_core, num_cpus); nlm_set_nmi_handler(nlm_boot_secondary_cpus); } -static int nlm_parse_cpumask(u32 cpu_mask) +static int nlm_parse_cpumask(cpumask_t *wakeup_mask) { uint32_t core0_thr_mask, core_thr_mask; - int threadmode, i; + int threadmode, i, j; - core0_thr_mask = cpu_mask & 0xf; + core0_thr_mask = 0; + for (i = 0; i < NLM_THREADS_PER_CORE; i++) + if (cpumask_test_cpu(i, wakeup_mask)) + core0_thr_mask |= (1 << i); switch (core0_thr_mask) { case 1: nlm_threads_per_core = 1; @@ -214,25 +229,23 @@ static int nlm_parse_cpumask(u32 cpu_mask) } /* Verify other cores CPU masks */ - nlm_coremask = 1; - nlm_cpumask = core0_thr_mask; - for (i = 1; i < 8; i++) { - core_thr_mask = (cpu_mask >> (i * 4)) & 0xf; - if (core_thr_mask) { - if (core_thr_mask != core0_thr_mask) + for (i = 0; i < NR_CPUS; i += NLM_THREADS_PER_CORE) { + core_thr_mask = 0; + for (j = 0; j < NLM_THREADS_PER_CORE; j++) + if (cpumask_test_cpu(i + j, wakeup_mask)) + core_thr_mask |= (1 << j); + if (core_thr_mask != 0 && core_thr_mask != core0_thr_mask) goto unsupp; - nlm_coremask |= 1 << i; - nlm_cpumask |= core0_thr_mask << (4 * i); - } } return threadmode; unsupp: - panic("Unsupported CPU mask %x\n", cpu_mask); + panic("Unsupported CPU mask %lx\n", + (unsigned long)cpumask_bits(wakeup_mask)[0]); return 0; } -int __cpuinit nlm_wakeup_secondary_cpus(u32 wakeup_mask) +int __cpuinit nlm_wakeup_secondary_cpus(void) { unsigned long reset_vec; char *reset_data; @@ -244,7 +257,7 @@ int __cpuinit nlm_wakeup_secondary_cpus(u32 wakeup_mask) (nlm_reset_entry_end - nlm_reset_entry)); /* verify the mask and setup core config variables */ - threadmode = nlm_parse_cpumask(wakeup_mask); + threadmode = nlm_parse_cpumask(&nlm_cpumask); /* Setup CPU init parameters */ reset_data = (char *)CKSEG1ADDR(RESET_DATA_PHYS); diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S index a13355cc97eb..a0b74874bebe 100644 --- a/arch/mips/netlogic/common/smpboot.S +++ b/arch/mips/netlogic/common/smpboot.S @@ -61,7 +61,7 @@ li t0, LSU_DEFEATURE mfcr t1, t0 - lui t2, 0x4080 /* Enable Unaligned Access, L2HPE */ + lui t2, 0xc080 /* SUE, Enable Unaligned Access, L2HPE */ or t1, t1, t2 #ifdef XLP_AX_WORKAROUND li t2, ~0xe /* S1RCM */ @@ -186,7 +186,7 @@ EXPORT(nlm_boot_siblings) * jump to the secondary wait function. */ mfc0 v0, CP0_EBASE, 1 - andi v0, 0x7f /* v0 <- node/core */ + andi v0, 0x3ff /* v0 <- node/core */ /* Init MMU in the first thread after changing THREAD_MODE * register (Ax Errata?) @@ -263,6 +263,8 @@ NESTED(nlm_boot_secondary_cpus, 16, sp) PTR_L gp, 0(t1) /* a0 has the processor id */ + mfc0 a0, CP0_EBASE, 1 + andi a0, 0x3ff /* a0 <- node/core */ PTR_LA t0, nlm_early_init_secondary jalr t0 nop diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c index 6c65ac701912..529e74742d9f 100644 --- a/arch/mips/netlogic/xlp/nlm_hal.c +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -40,23 +40,23 @@ #include <asm/mipsregs.h> #include <asm/time.h> +#include <asm/netlogic/common.h> #include <asm/netlogic/haldefs.h> #include <asm/netlogic/xlp-hal/iomap.h> #include <asm/netlogic/xlp-hal/xlp.h> #include <asm/netlogic/xlp-hal/pic.h> #include <asm/netlogic/xlp-hal/sys.h> -/* These addresses are computed by the nlm_hal_init() */ -uint64_t nlm_io_base; -uint64_t nlm_sys_base; -uint64_t nlm_pic_base; - /* Main initialization */ -void nlm_hal_init(void) +void nlm_node_init(int node) { - nlm_io_base = CKSEG1ADDR(XLP_DEFAULT_IO_BASE); - nlm_sys_base = nlm_get_sys_regbase(0); /* node 0 */ - nlm_pic_base = nlm_get_pic_regbase(0); /* node 0 */ + struct nlm_soc_info *nodep; + + nodep = nlm_get_node(node); + nodep->sysbase = nlm_get_sys_regbase(node); + nodep->picbase = nlm_get_pic_regbase(node); + nodep->ebase = read_c0_ebase() & (~((1 << 12) - 1)); + spin_lock_init(&nodep->piclock); } int nlm_irq_to_irt(int irq) @@ -100,52 +100,15 @@ int nlm_irq_to_irt(int irq) } } -int nlm_irt_to_irq(int irt) -{ - switch (irt) { - case PIC_IRT_UART_0_INDEX: - return PIC_UART_0_IRQ; - case PIC_IRT_UART_1_INDEX: - return PIC_UART_1_IRQ; - case PIC_IRT_PCIE_LINK_0_INDEX: - return PIC_PCIE_LINK_0_IRQ; - case PIC_IRT_PCIE_LINK_1_INDEX: - return PIC_PCIE_LINK_1_IRQ; - case PIC_IRT_PCIE_LINK_2_INDEX: - return PIC_PCIE_LINK_2_IRQ; - case PIC_IRT_PCIE_LINK_3_INDEX: - return PIC_PCIE_LINK_3_IRQ; - case PIC_IRT_EHCI_0_INDEX: - return PIC_EHCI_0_IRQ; - case PIC_IRT_EHCI_1_INDEX: - return PIC_EHCI_1_IRQ; - case PIC_IRT_OHCI_0_INDEX: - return PIC_OHCI_0_IRQ; - case PIC_IRT_OHCI_1_INDEX: - return PIC_OHCI_1_IRQ; - case PIC_IRT_OHCI_2_INDEX: - return PIC_OHCI_2_IRQ; - case PIC_IRT_OHCI_3_INDEX: - return PIC_OHCI_3_IRQ; - case PIC_IRT_MMC_INDEX: - return PIC_MMC_IRQ; - case PIC_IRT_I2C_0_INDEX: - return PIC_I2C_0_IRQ; - case PIC_IRT_I2C_1_INDEX: - return PIC_I2C_1_IRQ; - default: - return -1; - } -} - -unsigned int nlm_get_core_frequency(int core) +unsigned int nlm_get_core_frequency(int node, int core) { unsigned int pll_divf, pll_divr, dfs_div, ext_div; unsigned int rstval, dfsval, denom; - uint64_t num; + uint64_t num, sysbase; - rstval = nlm_read_sys_reg(nlm_sys_base, SYS_POWER_ON_RESET_CFG); - dfsval = nlm_read_sys_reg(nlm_sys_base, SYS_CORE_DFS_DIV_VALUE); + sysbase = nlm_get_node(node)->sysbase; + rstval = nlm_read_sys_reg(sysbase, SYS_POWER_ON_RESET_CFG); + dfsval = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIV_VALUE); pll_divf = ((rstval >> 10) & 0x7f) + 1; pll_divr = ((rstval >> 8) & 0x3) + 1; ext_div = ((rstval >> 30) & 0x3) + 1; @@ -159,5 +122,5 @@ unsigned int nlm_get_core_frequency(int core) unsigned int nlm_get_cpu_frequency(void) { - return nlm_get_core_frequency(0); + return nlm_get_core_frequency(0, 0); } diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c index d8997098defd..4894d62043ac 100644 --- a/arch/mips/netlogic/xlp/setup.c +++ b/arch/mips/netlogic/xlp/setup.c @@ -52,26 +52,40 @@ #include <asm/netlogic/xlp-hal/xlp.h> #include <asm/netlogic/xlp-hal/sys.h> -unsigned long nlm_common_ebase = 0x0; - -/* default to uniprocessor */ -uint32_t nlm_coremask = 1, nlm_cpumask = 1; -int nlm_threads_per_core = 1; +uint64_t nlm_io_base; +struct nlm_soc_info nlm_nodes[NLM_NR_NODES]; +cpumask_t nlm_cpumask = CPU_MASK_CPU0; +unsigned int nlm_threads_per_core; extern u32 __dtb_start[]; static void nlm_linux_exit(void) { - nlm_write_sys_reg(nlm_sys_base, SYS_CHIP_RESET, 1); + uint64_t sysbase = nlm_get_node(0)->sysbase; + + nlm_write_sys_reg(sysbase, SYS_CHIP_RESET, 1); for ( ; ; ) cpu_wait(); } void __init plat_mem_setup(void) { + void *fdtp; + panic_timeout = 5; _machine_restart = (void (*)(char *))nlm_linux_exit; _machine_halt = nlm_linux_exit; pm_power_off = nlm_linux_exit; + + /* + * If no FDT pointer is passed in, use the built-in FDT. + * device_tree_init() does not handle CKSEG0 pointers in + * 64-bit, so convert pointer. + */ + fdtp = (void *)(long)fw_arg0; + if (!fdtp) + fdtp = __dtb_start; + fdtp = phys_to_virt(__pa(fdtp)); + early_init_devtree(fdtp); } const char *get_system_type(void) @@ -94,27 +108,19 @@ void xlp_mmu_init(void) (13 + (ffz(PM_DEFAULT_MASK >> 13) / 2))); } -void __init prom_init(void) +void nlm_percpu_init(int hwcpuid) { - void *fdtp; +} +void __init prom_init(void) +{ + nlm_io_base = CKSEG1ADDR(XLP_DEFAULT_IO_BASE); xlp_mmu_init(); - nlm_hal_init(); - - /* - * If no FDT pointer is passed in, use the built-in FDT. - * device_tree_init() does not handle CKSEG0 pointers in - * 64-bit, so convert pointer. - */ - fdtp = (void *)(long)fw_arg0; - if (!fdtp) - fdtp = __dtb_start; - fdtp = phys_to_virt(__pa(fdtp)); - early_init_devtree(fdtp); + nlm_node_init(0); - nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1)); #ifdef CONFIG_SMP - nlm_wakeup_secondary_cpus(0xffffffff); + cpumask_setall(&nlm_cpumask); + nlm_wakeup_secondary_cpus(); /* update TLB size after waking up threads */ current_cpu_data.tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1; diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c index 44d923ff3846..cb9010642ac3 100644 --- a/arch/mips/netlogic/xlp/wakeup.c +++ b/arch/mips/netlogic/xlp/wakeup.c @@ -51,45 +51,72 @@ #include <asm/netlogic/xlp-hal/xlp.h> #include <asm/netlogic/xlp-hal/sys.h> -static void xlp_enable_secondary_cores(void) +static int xlp_wakeup_core(uint64_t sysbase, int core) { - uint32_t core, value, coremask, syscoremask; + uint32_t coremask, value; int count; - /* read cores in reset from SYS block */ - syscoremask = nlm_read_sys_reg(nlm_sys_base, SYS_CPU_RESET); + coremask = (1 << core); - /* update user specified */ - nlm_coremask = nlm_coremask & (syscoremask | 1); + /* Enable CPU clock */ + value = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL); + value &= ~coremask; + nlm_write_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL, value); - for (core = 1; core < 8; core++) { - coremask = 1 << core; - if ((nlm_coremask & coremask) == 0) - continue; + /* Remove CPU Reset */ + value = nlm_read_sys_reg(sysbase, SYS_CPU_RESET); + value &= ~coremask; + nlm_write_sys_reg(sysbase, SYS_CPU_RESET, value); - /* Enable CPU clock */ - value = nlm_read_sys_reg(nlm_sys_base, SYS_CORE_DFS_DIS_CTRL); - value &= ~coremask; - nlm_write_sys_reg(nlm_sys_base, SYS_CORE_DFS_DIS_CTRL, value); + /* Poll for CPU to mark itself coherent */ + count = 100000; + do { + value = nlm_read_sys_reg(sysbase, SYS_CPU_NONCOHERENT_MODE); + } while ((value & coremask) != 0 && --count > 0); - /* Remove CPU Reset */ - value = nlm_read_sys_reg(nlm_sys_base, SYS_CPU_RESET); - value &= ~coremask; - nlm_write_sys_reg(nlm_sys_base, SYS_CPU_RESET, value); + return count != 0; +} + +static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask) +{ + struct nlm_soc_info *nodep; + uint64_t syspcibase; + uint32_t syscoremask; + int core, n, cpu; + + for (n = 0; n < NLM_NR_NODES; n++) { + syspcibase = nlm_get_sys_pcibase(n); + if (nlm_read_reg(syspcibase, 0) == 0xffffffff) + break; + + /* read cores in reset from SYS and account for boot cpu */ + nlm_node_init(n); + nodep = nlm_get_node(n); + syscoremask = nlm_read_sys_reg(nodep->sysbase, SYS_CPU_RESET); + if (n == 0) + syscoremask |= 1; + + for (core = 0; core < NLM_CORES_PER_NODE; core++) { + /* see if the core exists */ + if ((syscoremask & (1 << core)) == 0) + continue; - /* Poll for CPU to mark itself coherent */ - count = 100000; - do { - value = nlm_read_sys_reg(nlm_sys_base, - SYS_CPU_NONCOHERENT_MODE); - } while ((value & coremask) != 0 && count-- > 0); + /* see if at least the first thread is enabled */ + cpu = (n * NLM_CORES_PER_NODE + core) + * NLM_THREADS_PER_CORE; + if (!cpumask_test_cpu(cpu, wakeup_mask)) + continue; - if (count == 0) - pr_err("Failed to enable core %d\n", core); + /* wake up the core */ + if (xlp_wakeup_core(nodep->sysbase, core)) + nodep->coremask |= 1u << core; + else + pr_err("Failed to enable core %d\n", core); + } } } -void xlp_wakeup_secondary_cpus(void) +void xlp_wakeup_secondary_cpus() { /* * In case of u-boot, the secondaries are in reset @@ -98,5 +125,5 @@ void xlp_wakeup_secondary_cpus(void) xlp_boot_core0_siblings(); /* now get other cores out of reset */ - xlp_enable_secondary_cores(); + xlp_enable_secondary_cores(&nlm_cpumask); } diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile index c287dea87570..05902bc6f080 100644 --- a/arch/mips/netlogic/xlr/Makefile +++ b/arch/mips/netlogic/xlr/Makefile @@ -1,2 +1,2 @@ -obj-y += setup.o platform.o platform-flash.o -obj-$(CONFIG_SMP) += wakeup.o +obj-y += fmn.o fmn-config.o setup.o platform.o platform-flash.o +obj-$(CONFIG_SMP) += wakeup.o diff --git a/arch/mips/netlogic/xlr/fmn-config.c b/arch/mips/netlogic/xlr/fmn-config.c new file mode 100644 index 000000000000..bed2cffa1008 --- /dev/null +++ b/arch/mips/netlogic/xlr/fmn-config.c @@ -0,0 +1,290 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <asm/cpu-info.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +#include <asm/mipsregs.h> +#include <asm/netlogic/xlr/fmn.h> +#include <asm/netlogic/xlr/xlr.h> +#include <asm/netlogic/common.h> +#include <asm/netlogic/haldefs.h> + +struct xlr_board_fmn_config xlr_board_fmn_config; + +static void __maybe_unused print_credit_config(struct xlr_fmn_info *fmn_info) +{ + int bkt; + + pr_info("Bucket size :\n"); + pr_info("Station\t: Size\n"); + for (bkt = 0; bkt < 16; bkt++) + pr_info(" %d %d %d %d %d %d %d %d\n", + xlr_board_fmn_config.bucket_size[(bkt * 8) + 0], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 1], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 2], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 3], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 4], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 5], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 6], + xlr_board_fmn_config.bucket_size[(bkt * 8) + 7]); + pr_info("\n"); + + pr_info("Credits distribution :\n"); + pr_info("Station\t: Size\n"); + for (bkt = 0; bkt < 16; bkt++) + pr_info(" %d %d %d %d %d %d %d %d\n", + fmn_info->credit_config[(bkt * 8) + 0], + fmn_info->credit_config[(bkt * 8) + 1], + fmn_info->credit_config[(bkt * 8) + 2], + fmn_info->credit_config[(bkt * 8) + 3], + fmn_info->credit_config[(bkt * 8) + 4], + fmn_info->credit_config[(bkt * 8) + 5], + fmn_info->credit_config[(bkt * 8) + 6], + fmn_info->credit_config[(bkt * 8) + 7]); + pr_info("\n"); +} + +static void check_credit_distribution(void) +{ + struct xlr_board_fmn_config *cfg = &xlr_board_fmn_config; + int bkt, n, total_credits, ncores; + + ncores = hweight32(nlm_current_node()->coremask); + for (bkt = 0; bkt < 128; bkt++) { + total_credits = 0; + for (n = 0; n < ncores; n++) + total_credits += cfg->cpu[n].credit_config[bkt]; + total_credits += cfg->gmac[0].credit_config[bkt]; + total_credits += cfg->gmac[1].credit_config[bkt]; + total_credits += cfg->dma.credit_config[bkt]; + total_credits += cfg->cmp.credit_config[bkt]; + total_credits += cfg->sae.credit_config[bkt]; + total_credits += cfg->xgmac[0].credit_config[bkt]; + total_credits += cfg->xgmac[1].credit_config[bkt]; + if (total_credits > cfg->bucket_size[bkt]) + pr_err("ERROR: Bucket %d: credits (%d) > size (%d)\n", + bkt, total_credits, cfg->bucket_size[bkt]); + } + pr_info("Credit distribution complete.\n"); +} + +/** + * Configure bucket size and credits for a device. 'size' is the size of + * the buckets for the device. This size is distributed among all the CPUs + * so that all of them can send messages to the device. + * + * The device is also given 'cpu_credits' to send messages to the CPUs + * + * @dev_info: FMN information structure for each devices + * @start_stn_id: Starting station id of dev_info + * @end_stn_id: End station id of dev_info + * @num_buckets: Total number of buckets for den_info + * @cpu_credits: Allowed credits to cpu for each devices pointing by dev_info + * @size: Size of the each buckets in the device station + */ +static void setup_fmn_cc(struct xlr_fmn_info *dev_info, int start_stn_id, + int end_stn_id, int num_buckets, int cpu_credits, int size) +{ + int i, j, num_core, n, credits_per_cpu; + struct xlr_fmn_info *cpu = xlr_board_fmn_config.cpu; + + num_core = hweight32(nlm_current_node()->coremask); + dev_info->num_buckets = num_buckets; + dev_info->start_stn_id = start_stn_id; + dev_info->end_stn_id = end_stn_id; + + n = num_core; + if (num_core == 3) + n = 4; + + for (i = start_stn_id; i <= end_stn_id; i++) { + xlr_board_fmn_config.bucket_size[i] = size; + + /* Dividing device credits equally to cpus */ + credits_per_cpu = size / n; + for (j = 0; j < num_core; j++) + cpu[j].credit_config[i] = credits_per_cpu; + + /* credits left to distribute */ + credits_per_cpu = size - (credits_per_cpu * num_core); + + /* distribute the remaining credits (if any), among cores */ + for (j = 0; (j < num_core) && (credits_per_cpu >= 4); j++) { + cpu[j].credit_config[i] += 4; + credits_per_cpu -= 4; + } + } + + /* Distributing cpu per bucket credits to devices */ + for (i = 0; i < num_core; i++) { + for (j = 0; j < FMN_CORE_NBUCKETS; j++) + dev_info->credit_config[(i * 8) + j] = cpu_credits; + } +} + +/* + * Each core has 256 slots and 8 buckets, + * Configure the 8 buckets each with 32 slots + */ +static void setup_cpu_fmninfo(struct xlr_fmn_info *cpu, int num_core) +{ + int i, j; + + for (i = 0; i < num_core; i++) { + cpu[i].start_stn_id = (8 * i); + cpu[i].end_stn_id = (8 * i + 8); + + for (j = cpu[i].start_stn_id; j < cpu[i].end_stn_id; j++) + xlr_board_fmn_config.bucket_size[j] = 32; + } +} + +/** + * Setup the FMN details for each devices according to the device available + * in each variant of XLR/XLS processor + */ +void xlr_board_info_setup(void) +{ + struct xlr_fmn_info *cpu = xlr_board_fmn_config.cpu; + struct xlr_fmn_info *gmac = xlr_board_fmn_config.gmac; + struct xlr_fmn_info *xgmac = xlr_board_fmn_config.xgmac; + struct xlr_fmn_info *dma = &xlr_board_fmn_config.dma; + struct xlr_fmn_info *cmp = &xlr_board_fmn_config.cmp; + struct xlr_fmn_info *sae = &xlr_board_fmn_config.sae; + int processor_id, num_core; + + num_core = hweight32(nlm_current_node()->coremask); + processor_id = read_c0_prid() & 0xff00; + + setup_cpu_fmninfo(cpu, num_core); + switch (processor_id) { + case PRID_IMP_NETLOGIC_XLS104: + case PRID_IMP_NETLOGIC_XLS108: + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 16, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 8, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 8, 128); + break; + + case PRID_IMP_NETLOGIC_XLS204: + case PRID_IMP_NETLOGIC_XLS208: + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 16, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 8, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 8, 128); + break; + + case PRID_IMP_NETLOGIC_XLS404: + case PRID_IMP_NETLOGIC_XLS408: + case PRID_IMP_NETLOGIC_XLS404B: + case PRID_IMP_NETLOGIC_XLS408B: + case PRID_IMP_NETLOGIC_XLS416B: + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 8, 32); + setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0, + FMN_STNID_GMAC1_TX3, 8, 8, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 4, 64); + setup_fmn_cc(cmp, FMN_STNID_CMP_0, + FMN_STNID_CMP_3, 4, 4, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 8, 128); + break; + + case PRID_IMP_NETLOGIC_XLS412B: + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 8, 32); + setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0, + FMN_STNID_GMAC1_TX3, 8, 8, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 4, 64); + setup_fmn_cc(cmp, FMN_STNID_CMP_0, + FMN_STNID_CMP_3, 4, 4, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 8, 128); + break; + + case PRID_IMP_NETLOGIC_XLR308: + case PRID_IMP_NETLOGIC_XLR308C: + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 16, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 8, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 4, 128); + break; + + case PRID_IMP_NETLOGIC_XLR532: + case PRID_IMP_NETLOGIC_XLR532C: + case PRID_IMP_NETLOGIC_XLR516C: + case PRID_IMP_NETLOGIC_XLR508C: + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 16, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 8, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 4, 128); + break; + + case PRID_IMP_NETLOGIC_XLR732: + case PRID_IMP_NETLOGIC_XLR716: + setup_fmn_cc(&xgmac[0], FMN_STNID_XMAC0_00_TX, + FMN_STNID_XMAC0_15_TX, 8, 0, 32); + setup_fmn_cc(&xgmac[1], FMN_STNID_XMAC1_00_TX, + FMN_STNID_XMAC1_15_TX, 8, 0, 32); + setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0, + FMN_STNID_GMAC0_TX3, 8, 24, 32); + setup_fmn_cc(dma, FMN_STNID_DMA_0, + FMN_STNID_DMA_3, 4, 4, 64); + setup_fmn_cc(sae, FMN_STNID_SEC0, + FMN_STNID_SEC1, 2, 4, 128); + break; + default: + pr_err("Unknown CPU with processor ID [%d]\n", processor_id); + pr_err("Error: Cannot initialize FMN credits.\n"); + } + + check_credit_distribution(); + +#if 0 /* debug */ + print_credit_config(&cpu[0]); + print_credit_config(&gmac[0]); +#endif +} diff --git a/arch/mips/netlogic/xlr/fmn.c b/arch/mips/netlogic/xlr/fmn.c new file mode 100644 index 000000000000..4d74f03de506 --- /dev/null +++ b/arch/mips/netlogic/xlr/fmn.c @@ -0,0 +1,204 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/kernel.h> +#include <linux/irqreturn.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +#include <asm/mipsregs.h> +#include <asm/netlogic/interrupt.h> +#include <asm/netlogic/xlr/fmn.h> +#include <asm/netlogic/common.h> + +#define COP2_CC_INIT_CPU_DEST(dest, conf) \ +do { \ + nlm_write_c2_cc##dest(0, conf[(dest * 8) + 0]); \ + nlm_write_c2_cc##dest(1, conf[(dest * 8) + 1]); \ + nlm_write_c2_cc##dest(2, conf[(dest * 8) + 2]); \ + nlm_write_c2_cc##dest(3, conf[(dest * 8) + 3]); \ + nlm_write_c2_cc##dest(4, conf[(dest * 8) + 4]); \ + nlm_write_c2_cc##dest(5, conf[(dest * 8) + 5]); \ + nlm_write_c2_cc##dest(6, conf[(dest * 8) + 6]); \ + nlm_write_c2_cc##dest(7, conf[(dest * 8) + 7]); \ +} while (0) + +struct fmn_message_handler { + void (*action)(int, int, int, int, struct nlm_fmn_msg *, void *); + void *arg; +} msg_handlers[128]; + +/* + * FMN interrupt handler. We configure the FMN so that any messages in + * any of the CPU buckets will trigger an interrupt on the CPU. + * The message can be from any device on the FMN (like NAE/SAE/DMA). + * The source station id is used to figure out which of the registered + * handlers have to be called. + */ +static irqreturn_t fmn_message_handler(int irq, void *data) +{ + struct fmn_message_handler *hndlr; + int bucket, rv; + int size = 0, code = 0, src_stnid = 0; + struct nlm_fmn_msg msg; + uint32_t mflags, bkt_status; + + mflags = nlm_cop2_enable(); + /* Disable message ring interrupt */ + nlm_fmn_setup_intr(irq, 0); + while (1) { + /* 8 bkts per core, [24:31] each bit represents one bucket + * Bit is Zero if bucket is not empty */ + bkt_status = (nlm_read_c2_status() >> 24) & 0xff; + if (bkt_status == 0xff) + break; + for (bucket = 0; bucket < 8; bucket++) { + /* Continue on empty bucket */ + if (bkt_status & (1 << bucket)) + continue; + rv = nlm_fmn_receive(bucket, &size, &code, &src_stnid, + &msg); + if (rv != 0) + continue; + + hndlr = &msg_handlers[src_stnid]; + if (hndlr->action == NULL) + pr_warn("No msgring handler for stnid %d\n", + src_stnid); + else { + nlm_cop2_restore(mflags); + hndlr->action(bucket, src_stnid, size, code, + &msg, hndlr->arg); + mflags = nlm_cop2_enable(); + } + } + }; + /* Enable message ring intr, to any thread in core */ + nlm_fmn_setup_intr(irq, (1 << nlm_threads_per_core) - 1); + nlm_cop2_restore(mflags); + return IRQ_HANDLED; +} + +struct irqaction fmn_irqaction = { + .handler = fmn_message_handler, + .flags = IRQF_PERCPU, + .name = "fmn", +}; + +void xlr_percpu_fmn_init(void) +{ + struct xlr_fmn_info *cpu_fmn_info; + int *bucket_sizes; + uint32_t flags; + int id; + + BUG_ON(nlm_thread_id() != 0); + id = nlm_core_id(); + + bucket_sizes = xlr_board_fmn_config.bucket_size; + cpu_fmn_info = &xlr_board_fmn_config.cpu[id]; + flags = nlm_cop2_enable(); + + /* Setup bucket sizes for the core. */ + nlm_write_c2_bucksize(0, bucket_sizes[id * 8 + 0]); + nlm_write_c2_bucksize(1, bucket_sizes[id * 8 + 1]); + nlm_write_c2_bucksize(2, bucket_sizes[id * 8 + 2]); + nlm_write_c2_bucksize(3, bucket_sizes[id * 8 + 3]); + nlm_write_c2_bucksize(4, bucket_sizes[id * 8 + 4]); + nlm_write_c2_bucksize(5, bucket_sizes[id * 8 + 5]); + nlm_write_c2_bucksize(6, bucket_sizes[id * 8 + 6]); + nlm_write_c2_bucksize(7, bucket_sizes[id * 8 + 7]); + + /* + * For sending FMN messages, we need credits on the destination + * bucket. Program the credits this core has on the 128 possible + * destination buckets. + * We cannot use a loop here, because the the first argument has + * to be a constant integer value. + */ + COP2_CC_INIT_CPU_DEST(0, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(1, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(2, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(3, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(4, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(5, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(6, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(7, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(8, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(9, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(10, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(11, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(12, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(13, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(14, cpu_fmn_info->credit_config); + COP2_CC_INIT_CPU_DEST(15, cpu_fmn_info->credit_config); + + /* enable FMN interrupts on this CPU */ + nlm_fmn_setup_intr(IRQ_FMN, (1 << nlm_threads_per_core) - 1); + nlm_cop2_restore(flags); +} + + +/* + * Register a FMN message handler with respect to the source station id + * @stnid: source station id + * @action: Handler function pointer + */ +int nlm_register_fmn_handler(int start_stnid, int end_stnid, + void (*action)(int, int, int, int, struct nlm_fmn_msg *, void *), + void *arg) +{ + int sstnid; + + for (sstnid = start_stnid; sstnid <= end_stnid; sstnid++) { + msg_handlers[sstnid].arg = arg; + smp_wmb(); + msg_handlers[sstnid].action = action; + } + pr_debug("Registered FMN msg handler for stnid %d-%d\n", + start_stnid, end_stnid); + return 0; +} + +void nlm_setup_fmn_irq(void) +{ + uint32_t flags; + + /* setup irq only once */ + setup_irq(IRQ_FMN, &fmn_irqaction); + + flags = nlm_cop2_enable(); + nlm_fmn_setup_intr(IRQ_FMN, (1 << nlm_threads_per_core) - 1); + nlm_cop2_restore(flags); +} diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index 81b1d311834f..4e7f49d3d5a8 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -49,16 +49,15 @@ #include <asm/netlogic/xlr/iomap.h> #include <asm/netlogic/xlr/pic.h> #include <asm/netlogic/xlr/gpio.h> +#include <asm/netlogic/xlr/fmn.h> uint64_t nlm_io_base = DEFAULT_NETLOGIC_IO_BASE; -uint64_t nlm_pic_base; struct psb_info nlm_prom_info; -unsigned long nlm_common_ebase = 0x0; - /* default to uniprocessor */ -uint32_t nlm_coremask = 1, nlm_cpumask = 1; -int nlm_threads_per_core = 1; +unsigned int nlm_threads_per_core = 1; +struct nlm_soc_info nlm_nodes[NLM_NR_NODES]; +cpumask_t nlm_cpumask = CPU_MASK_CPU0; static void __init nlm_early_serial_setup(void) { @@ -113,6 +112,12 @@ void __init prom_free_prom_memory(void) /* Nothing yet */ } +void nlm_percpu_init(int hwcpuid) +{ + if (hwcpuid % 4 == 0) + xlr_percpu_fmn_init(); +} + static void __init build_arcs_cmdline(int *argv) { int i, remain, len; @@ -176,9 +181,19 @@ static void prom_add_memory(void) } } +static void nlm_init_node(void) +{ + struct nlm_soc_info *nodep; + + nodep = nlm_current_node(); + nodep->picbase = nlm_mmio_base(NETLOGIC_IO_PIC_OFFSET); + nodep->ebase = read_c0_ebase() & (~((1 << 12) - 1)); + spin_lock_init(&nodep->piclock); +} + void __init prom_init(void) { - int *argv, *envp; /* passed as 32 bit ptrs */ + int i, *argv, *envp; /* passed as 32 bit ptrs */ struct psb_info *prom_infop; /* truncate to 32 bit and sign extend all args */ @@ -187,15 +202,19 @@ void __init prom_init(void) prom_infop = (struct psb_info *)(long)(int)fw_arg3; nlm_prom_info = *prom_infop; - nlm_pic_base = nlm_mmio_base(NETLOGIC_IO_PIC_OFFSET); + nlm_init_node(); nlm_early_serial_setup(); build_arcs_cmdline(argv); - nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1)); prom_add_memory(); #ifdef CONFIG_SMP - nlm_wakeup_secondary_cpus(nlm_prom_info.online_cpu_map); + for (i = 0; i < 32; i++) + if (nlm_prom_info.online_cpu_map & (1 << i)) + cpumask_set_cpu(i, &nlm_cpumask); + nlm_wakeup_secondary_cpus(); register_smp_ops(&nlm_smp_ops); #endif + xlr_board_info_setup(); + xlr_percpu_fmn_init(); } diff --git a/arch/mips/netlogic/xlr/wakeup.c b/arch/mips/netlogic/xlr/wakeup.c index db5d987d4881..3ebf7411d67b 100644 --- a/arch/mips/netlogic/xlr/wakeup.c +++ b/arch/mips/netlogic/xlr/wakeup.c @@ -33,6 +33,7 @@ */ #include <linux/init.h> +#include <linux/delay.h> #include <linux/threads.h> #include <asm/asm.h> @@ -50,18 +51,34 @@ int __cpuinit xlr_wakeup_secondary_cpus(void) { - unsigned int i, boot_cpu; + struct nlm_soc_info *nodep; + unsigned int i, j, boot_cpu; /* * In case of RMI boot, hit with NMI to get the cores * from bootloader to linux code. */ + nodep = nlm_get_node(0); boot_cpu = hard_smp_processor_id(); nlm_set_nmi_handler(nlm_rmiboot_preboot); for (i = 0; i < NR_CPUS; i++) { - if (i == boot_cpu || (nlm_cpumask & (1u << i)) == 0) + if (i == boot_cpu || !cpumask_test_cpu(i, &nlm_cpumask)) continue; - nlm_pic_send_ipi(nlm_pic_base, i, 1, 1); /* send NMI */ + nlm_pic_send_ipi(nodep->picbase, i, 1, 1); /* send NMI */ + } + + /* Fill up the coremask early */ + nodep->coremask = 1; + for (i = 1; i < NLM_CORES_PER_NODE; i++) { + for (j = 1000000; j > 0; j--) { + if (nlm_cpu_ready[i * NLM_THREADS_PER_CORE]) + break; + udelay(10); + } + if (j != 0) + nodep->coremask |= (1u << i); + else + pr_err("Failed to wakeup core %d\n", i); } return 0; diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile index 8232dbd1228d..9c0a6782c091 100644 --- a/arch/mips/oprofile/Makefile +++ b/arch/mips/oprofile/Makefile @@ -12,4 +12,5 @@ oprofile-$(CONFIG_CPU_MIPS32) += op_model_mipsxx.o oprofile-$(CONFIG_CPU_MIPS64) += op_model_mipsxx.o oprofile-$(CONFIG_CPU_R10000) += op_model_mipsxx.o oprofile-$(CONFIG_CPU_SB1) += op_model_mipsxx.o +oprofile-$(CONFIG_CPU_XLR) += op_model_mipsxx.o oprofile-$(CONFIG_CPU_LOONGSON2) += op_model_loongson2.o diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index be387faef871..e32db1ff02c7 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -90,6 +90,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case CPU_R10000: case CPU_R12000: case CPU_R14000: + case CPU_XLR: lmodel = &op_model_mipsxx_ops; break; diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 28ea1a4cc576..786254630403 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -31,8 +31,22 @@ #define M_COUNTER_OVERFLOW (1UL << 31) +/* Netlogic XLR specific, count events in all threads in a core */ +#define M_PERFCTL_COUNT_ALL_THREADS (1UL << 13) + static int (*save_perf_irq)(void); +/* + * XLR has only one set of counters per core. Designate the + * first hardware thread in the core for setup and init. + * Skip CPUs with non-zero hardware thread id (4 hwt per core) + */ +#ifdef CONFIG_CPU_XLR +#define oprofile_skip_cpu(c) ((cpu_logical_map(c) & 0x3) != 0) +#else +#define oprofile_skip_cpu(c) 0 +#endif + #ifdef CONFIG_MIPS_MT_SMP static int cpu_has_mipsmt_pertccounters; #define WHAT (M_TC_EN_VPE | \ @@ -152,6 +166,8 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr) reg.control[i] |= M_PERFCTL_USER; if (ctr[i].exl) reg.control[i] |= M_PERFCTL_EXL; + if (current_cpu_type() == CPU_XLR) + reg.control[i] |= M_PERFCTL_COUNT_ALL_THREADS; reg.counter[i] = 0x80000000 - ctr[i].count; } } @@ -162,6 +178,9 @@ static void mipsxx_cpu_setup(void *args) { unsigned int counters = op_model_mipsxx_ops.num_counters; + if (oprofile_skip_cpu(smp_processor_id())) + return; + switch (counters) { case 4: w_c0_perfctrl3(0); @@ -183,6 +202,9 @@ static void mipsxx_cpu_start(void *args) { unsigned int counters = op_model_mipsxx_ops.num_counters; + if (oprofile_skip_cpu(smp_processor_id())) + return; + switch (counters) { case 4: w_c0_perfctrl3(WHAT | reg.control[3]); @@ -200,6 +222,9 @@ static void mipsxx_cpu_stop(void *args) { unsigned int counters = op_model_mipsxx_ops.num_counters; + if (oprofile_skip_cpu(smp_processor_id())) + return; + switch (counters) { case 4: w_c0_perfctrl3(0); @@ -372,6 +397,10 @@ static int __init mipsxx_init(void) op_model_mipsxx_ops.cpu_type = "mips/loongson1"; break; + case CPU_XLR: + op_model_mipsxx_ops.cpu_type = "mips/xlr"; + break; + default: printk(KERN_ERR "Profiling unsupported for this CPU\n"); diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c index 8a48139d219c..ca179b6ff39b 100644 --- a/arch/mips/pci/pci-bcm63xx.c +++ b/arch/mips/pci/pci-bcm63xx.c @@ -11,8 +11,11 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/clk.h> #include <asm/bootinfo.h> +#include <bcm63xx_reset.h> + #include "pci-bcm63xx.h" /* @@ -119,41 +122,36 @@ static void __init bcm63xx_reset_pcie(void) { u32 val; - /* enable clock */ - val = bcm_perf_readl(PERF_CKCTL_REG); - val |= CKCTL_6328_PCIE_EN; - bcm_perf_writel(val, PERF_CKCTL_REG); - /* enable SERDES */ val = bcm_misc_readl(MISC_SERDES_CTRL_REG); val |= SERDES_PCIE_EN | SERDES_PCIE_EXD_EN; bcm_misc_writel(val, MISC_SERDES_CTRL_REG); /* reset the PCIe core */ - val = bcm_perf_readl(PERF_SOFTRESET_6328_REG); - - val &= ~SOFTRESET_6328_PCIE_MASK; - val &= ~SOFTRESET_6328_PCIE_CORE_MASK; - val &= ~SOFTRESET_6328_PCIE_HARD_MASK; - val &= ~SOFTRESET_6328_PCIE_EXT_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 1); + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 1); mdelay(10); - val |= SOFTRESET_6328_PCIE_MASK; - val |= SOFTRESET_6328_PCIE_CORE_MASK; - val |= SOFTRESET_6328_PCIE_HARD_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 0); mdelay(10); - val |= SOFTRESET_6328_PCIE_EXT_MASK; - bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 0); mdelay(200); } +static struct clk *pcie_clk; + static int __init bcm63xx_register_pcie(void) { u32 val; + /* enable clock */ + pcie_clk = clk_get(NULL, "pcie"); + if (IS_ERR_OR_NULL(pcie_clk)) + return -ENODEV; + + clk_prepare_enable(pcie_clk); + bcm63xx_reset_pcie(); /* configure the PCIe bridge */ diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c index 18af021d289a..0c18ccc79623 100644 --- a/arch/mips/pci/pci-xlr.c +++ b/arch/mips/pci/pci-xlr.c @@ -47,6 +47,7 @@ #include <asm/netlogic/interrupt.h> #include <asm/netlogic/haldefs.h> +#include <asm/netlogic/common.h> #include <asm/netlogic/xlr/msidef.h> #include <asm/netlogic/xlr/iomap.h> @@ -174,22 +175,9 @@ static struct pci_dev *xls_get_pcie_link(const struct pci_dev *dev) return p ? bus->self : NULL; } -static int get_irq_vector(const struct pci_dev *dev) +static int nlm_pci_link_to_irq(int link) { - struct pci_dev *lnk; - - if (!nlm_chip_is_xls()) - return PIC_PCIX_IRQ; /* for XLR just one IRQ */ - - /* - * For XLS PCIe, there is an IRQ per Link, find out which - * link the device is on to assign interrupts - */ - lnk = xls_get_pcie_link(dev); - if (lnk == NULL) - return 0; - - switch (PCI_SLOT(lnk->devfn)) { + switch (link) { case 0: return PIC_PCIE_LINK0_IRQ; case 1: @@ -205,10 +193,26 @@ static int get_irq_vector(const struct pci_dev *dev) else return PIC_PCIE_LINK3_IRQ; } - WARN(1, "Unexpected devfn %d\n", lnk->devfn); + WARN(1, "Unexpected link %d\n", link); return 0; } +static int get_irq_vector(const struct pci_dev *dev) +{ + struct pci_dev *lnk; + int link; + + if (!nlm_chip_is_xls()) + return PIC_PCIX_IRQ; /* for XLR just one IRQ */ + + lnk = xls_get_pcie_link(dev); + if (lnk == NULL) + return 0; + + link = PCI_SLOT(lnk->devfn); + return nlm_pci_link_to_irq(link); +} + #ifdef CONFIG_PCI_MSI void destroy_irq(unsigned int irq) { @@ -332,6 +336,9 @@ int pcibios_plat_dev_init(struct pci_dev *dev) static int __init pcibios_init(void) { + void (*extra_ack)(struct irq_data *); + int link, irq; + /* PSB assigns PCI resources */ pci_set_flags(PCI_PROBE_ONLY); pci_config_base = ioremap(DEFAULT_PCI_CONFIG_BASE, 16 << 20); @@ -350,27 +357,19 @@ static int __init pcibios_init(void) * For PCI interrupts, we need to ack the PCI controller too, overload * irq handler data to do this */ - if (nlm_chip_is_xls()) { - if (nlm_chip_is_xls_b()) { - irq_set_handler_data(PIC_PCIE_LINK0_IRQ, - xls_pcie_ack_b); - irq_set_handler_data(PIC_PCIE_LINK1_IRQ, - xls_pcie_ack_b); - irq_set_handler_data(PIC_PCIE_XLSB0_LINK2_IRQ, - xls_pcie_ack_b); - irq_set_handler_data(PIC_PCIE_XLSB0_LINK3_IRQ, - xls_pcie_ack_b); - } else { - irq_set_handler_data(PIC_PCIE_LINK0_IRQ, xls_pcie_ack); - irq_set_handler_data(PIC_PCIE_LINK1_IRQ, xls_pcie_ack); - irq_set_handler_data(PIC_PCIE_LINK2_IRQ, xls_pcie_ack); - irq_set_handler_data(PIC_PCIE_LINK3_IRQ, xls_pcie_ack); - } - } else { + if (!nlm_chip_is_xls()) { /* XLR PCI controller ACK */ - irq_set_handler_data(PIC_PCIX_IRQ, xlr_pci_ack); + nlm_set_pic_extra_ack(0, PIC_PCIX_IRQ, xlr_pci_ack); + } else { + if (nlm_chip_is_xls_b()) + extra_ack = xls_pcie_ack_b; + else + extra_ack = xls_pcie_ack; + for (link = 0; link < 4; link++) { + irq = nlm_pci_link_to_irq(link); + nlm_set_pic_extra_ack(0, irq, extra_ack); + } } - return 0; } diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig index a533af218368..d7b56a88c9f4 100644 --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig @@ -65,6 +65,15 @@ config BCMA_DRIVER_GMAC_CMN If unsure, say N +config BCMA_DRIVER_GPIO + bool "BCMA GPIO driver" + depends on BCMA + select GPIOLIB + help + Driver to provide access to the GPIO pins of the bcma bus. + + If unsure, say N + config BCMA_DEBUG bool "BCMA debugging" depends on BCMA diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile index 8ad42d41b2f2..734b32f09c0a 100644 --- a/drivers/bcma/Makefile +++ b/drivers/bcma/Makefile @@ -6,6 +6,7 @@ bcma-y += driver_pci.o bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o +bcma-$(CONFIG_BCMA_DRIVER_GPIO) += driver_gpio.o bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o obj-$(CONFIG_BCMA) += bcma.o diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index 169fc58427d3..8cd80bff8e91 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -89,4 +89,14 @@ bool __devinit bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc); void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc); #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ +#ifdef CONFIG_BCMA_DRIVER_GPIO +/* driver_gpio.c */ +int bcma_gpio_init(struct bcma_drv_cc *cc); +#else +static inline int bcma_gpio_init(struct bcma_drv_cc *cc) +{ + return -ENOTSUPP; +} +#endif /* CONFIG_BCMA_DRIVER_GPIO */ + #endif diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c index a4c3ebcc4c86..994fce65f77d 100644 --- a/drivers/bcma/driver_chipcommon.c +++ b/drivers/bcma/driver_chipcommon.c @@ -30,6 +30,8 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc) if (cc->setup_done) return; + spin_lock_init(&cc->gpio_lock); + if (cc->core->id.rev >= 11) cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT); cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP); @@ -84,28 +86,97 @@ u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask) u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value) { - return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value); + unsigned long flags; + u32 res; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value) { - return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value); + unsigned long flags; + u32 res; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } +/* + * If the bit is set to 0, chipcommon controlls this GPIO, + * if the bit is set to 1, it is used by some part of the chip and not our code. + */ u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value) { - return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value); + unsigned long flags; + u32 res; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control); u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value) { - return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value); + unsigned long flags; + u32 res; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value) { - return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value); + unsigned long flags; + u32 res; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; +} + +u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value) +{ + unsigned long flags; + u32 res; + + if (cc->core->id.rev < 20) + return 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLUP, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; +} + +u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value) +{ + unsigned long flags; + u32 res; + + if (cc->core->id.rev < 20) + return 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLDOWN, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } #ifdef CONFIG_BCMA_DRIVER_MIPS diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c new file mode 100644 index 000000000000..9a6f585da2d9 --- /dev/null +++ b/drivers/bcma/driver_gpio.c @@ -0,0 +1,98 @@ +/* + * Broadcom specific AMBA + * GPIO driver + * + * Copyright 2011, Broadcom Corporation + * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/gpio.h> +#include <linux/export.h> +#include <linux/bcma/bcma.h> + +#include "bcma_private.h" + +static inline struct bcma_drv_cc *bcma_gpio_get_cc(struct gpio_chip *chip) +{ + return container_of(chip, struct bcma_drv_cc, gpio); +} + +static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + return !!bcma_chipco_gpio_in(cc, 1 << gpio); +} + +static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio, + int value) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0); +} + +static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + bcma_chipco_gpio_outen(cc, 1 << gpio, 0); + return 0; +} + +static int bcma_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, + int value) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio); + bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0); + return 0; +} + +static int bcma_gpio_request(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + bcma_chipco_gpio_control(cc, 1 << gpio, 0); + /* clear pulldown */ + bcma_chipco_gpio_pulldown(cc, 1 << gpio, 0); + /* Set pullup */ + bcma_chipco_gpio_pullup(cc, 1 << gpio, 1 << gpio); + + return 0; +} + +static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + /* clear pullup */ + bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); +} + +int bcma_gpio_init(struct bcma_drv_cc *cc) +{ + struct gpio_chip *chip = &cc->gpio; + + chip->label = "bcma_gpio"; + chip->owner = THIS_MODULE; + chip->request = bcma_gpio_request; + chip->free = bcma_gpio_free; + chip->get = bcma_gpio_get_value; + chip->set = bcma_gpio_set_value; + chip->direction_input = bcma_gpio_direction_input; + chip->direction_output = bcma_gpio_direction_output; + chip->ngpio = 16; + /* There is just one SoC in one device and its GPIO addresses should be + * deterministic to address them more easily. The other buses could get + * a random base number. */ + if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) + chip->base = 0; + else + chip->base = -1; + + return gpiochip_add(chip); +} diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index d865470bc951..478ba01ca0c2 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -152,6 +152,11 @@ static int bcma_register_cores(struct bcma_bus *bus) bcma_err(bus, "Error registering NAND flash\n"); } #endif + err = bcma_gpio_init(&bus->drv_cc); + if (err == -ENOTSUPP) + bcma_debug(bus, "GPIO driver not activated\n"); + else if (err) + bcma_err(bus, "Error registering GPIO driver: %i\n", err); return 0; } diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 42cdaa9a4d8a..ff3c8a21f10d 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -160,4 +160,13 @@ config SSB_DRIVER_GIGE If unsure, say N +config SSB_DRIVER_GPIO + bool "SSB GPIO driver" + depends on SSB + select GPIOLIB + help + Driver to provide access to the GPIO pins on the bus. + + If unsure, say N + endmenu diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index 656e58b92618..9159ba77c388 100644 --- a/drivers/ssb/Makefile +++ b/drivers/ssb/Makefile @@ -15,6 +15,7 @@ ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o ssb-$(CONFIG_SSB_DRIVER_GIGE) += driver_gige.o +ssb-$(CONFIG_SSB_DRIVER_GPIO) += driver_gpio.o # b43 pci-ssb-bridge driver # Not strictly a part of SSB, but kept here for convenience diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index e9d2ca11283b..24e02bb2ecd8 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -284,6 +284,9 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc) { if (!cc->dev) return; /* We don't have a ChipCommon */ + + spin_lock_init(&cc->gpio_lock); + if (cc->dev->id.revision >= 11) cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT); ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status); @@ -418,28 +421,93 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask) u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) { - return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) { - return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value) { - return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } EXPORT_SYMBOL(ssb_chipco_gpio_control); u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value) { - return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value) { - return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; +} + +u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + if (cc->dev->id.revision < 20) + return 0xffffffff; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLUP, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; +} + +u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value) +{ + unsigned long flags; + u32 res = 0; + + if (cc->dev->id.revision < 20) + return 0xffffffff; + + spin_lock_irqsave(&cc->gpio_lock, flags); + res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLDOWN, mask, value); + spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; } #ifdef CONFIG_SSB_SERIAL diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index dc47f30e9cf7..e1d0bb8ad725 100644 --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c @@ -118,6 +118,13 @@ void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks); } +void ssb_extif_init(struct ssb_extif *extif) +{ + if (!extif->dev) + return; /* We don't have a Extif core */ + spin_lock_init(&extif->gpio_lock); +} + u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) { return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; @@ -125,22 +132,50 @@ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) { - return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&extif->gpio_lock, flags); + res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), mask, value); + spin_unlock_irqrestore(&extif->gpio_lock, flags); + + return res; } u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) { - return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&extif->gpio_lock, flags); + res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), mask, value); + spin_unlock_irqrestore(&extif->gpio_lock, flags); + + return res; } u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value) { - return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&extif->gpio_lock, flags); + res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); + spin_unlock_irqrestore(&extif->gpio_lock, flags); + + return res; } u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value) { - return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); + unsigned long flags; + u32 res = 0; + + spin_lock_irqsave(&extif->gpio_lock, flags); + res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); + spin_unlock_irqrestore(&extif->gpio_lock, flags); + + return res; } diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c new file mode 100644 index 000000000000..97ac0a38e3d0 --- /dev/null +++ b/drivers/ssb/driver_gpio.c @@ -0,0 +1,176 @@ +/* + * Sonics Silicon Backplane + * GPIO driver + * + * Copyright 2011, Broadcom Corporation + * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/gpio.h> +#include <linux/export.h> +#include <linux/ssb/ssb.h> + +#include "ssb_private.h" + +static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip) +{ + return container_of(chip, struct ssb_bus, gpio); +} + +static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio); +} + +static void ssb_gpio_chipco_set_value(struct gpio_chip *chip, unsigned gpio, + int value) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); +} + +static int ssb_gpio_chipco_direction_input(struct gpio_chip *chip, + unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0); + return 0; +} + +static int ssb_gpio_chipco_direction_output(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 1 << gpio); + ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); + return 0; +} + +static int ssb_gpio_chipco_request(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_chipco_gpio_control(&bus->chipco, 1 << gpio, 0); + /* clear pulldown */ + ssb_chipco_gpio_pulldown(&bus->chipco, 1 << gpio, 0); + /* Set pullup */ + ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 1 << gpio); + + return 0; +} + +static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + /* clear pullup */ + ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0); +} + +static int ssb_gpio_chipco_init(struct ssb_bus *bus) +{ + struct gpio_chip *chip = &bus->gpio; + + chip->label = "ssb_chipco_gpio"; + chip->owner = THIS_MODULE; + chip->request = ssb_gpio_chipco_request; + chip->free = ssb_gpio_chipco_free; + chip->get = ssb_gpio_chipco_get_value; + chip->set = ssb_gpio_chipco_set_value; + chip->direction_input = ssb_gpio_chipco_direction_input; + chip->direction_output = ssb_gpio_chipco_direction_output; + chip->ngpio = 16; + /* There is just one SoC in one device and its GPIO addresses should be + * deterministic to address them more easily. The other buses could get + * a random base number. */ + if (bus->bustype == SSB_BUSTYPE_SSB) + chip->base = 0; + else + chip->base = -1; + + return gpiochip_add(chip); +} + +#ifdef CONFIG_SSB_DRIVER_EXTIF + +static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + return !!ssb_extif_gpio_in(&bus->extif, 1 << gpio); +} + +static void ssb_gpio_extif_set_value(struct gpio_chip *chip, unsigned gpio, + int value) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0); +} + +static int ssb_gpio_extif_direction_input(struct gpio_chip *chip, + unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 0); + return 0; +} + +static int ssb_gpio_extif_direction_output(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 1 << gpio); + ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0); + return 0; +} + +static int ssb_gpio_extif_init(struct ssb_bus *bus) +{ + struct gpio_chip *chip = &bus->gpio; + + chip->label = "ssb_extif_gpio"; + chip->owner = THIS_MODULE; + chip->get = ssb_gpio_extif_get_value; + chip->set = ssb_gpio_extif_set_value; + chip->direction_input = ssb_gpio_extif_direction_input; + chip->direction_output = ssb_gpio_extif_direction_output; + chip->ngpio = 5; + /* There is just one SoC in one device and its GPIO addresses should be + * deterministic to address them more easily. The other buses could get + * a random base number. */ + if (bus->bustype == SSB_BUSTYPE_SSB) + chip->base = 0; + else + chip->base = -1; + + return gpiochip_add(chip); +} + +#else +static int ssb_gpio_extif_init(struct ssb_bus *bus) +{ + return -ENOTSUPP; +} +#endif + +int ssb_gpio_init(struct ssb_bus *bus) +{ + if (ssb_chipco_available(&bus->chipco)) + return ssb_gpio_chipco_init(bus); + else if (ssb_extif_available(&bus->extif)) + return ssb_gpio_extif_init(bus); + else + SSB_WARN_ON(1); + + return -1; +} diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index df0f145c22fc..87f0ddf4f3f3 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -796,7 +796,14 @@ static int __devinit ssb_bus_register(struct ssb_bus *bus, if (err) goto err_pcmcia_exit; ssb_chipcommon_init(&bus->chipco); + ssb_extif_init(&bus->extif); ssb_mipscore_init(&bus->mipscore); + err = ssb_gpio_init(bus); + if (err == -ENOTSUPP) + ssb_dprintk(KERN_DEBUG PFX "GPIO driver not activated\n"); + else if (err) + ssb_dprintk(KERN_ERR PFX + "Error registering GPIO driver: %i\n", err); err = ssb_fetch_invariants(bus, get_invariants); if (err) { ssb_bus_may_powerdown(bus); diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index a305550b4b65..463b76a2140b 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -211,4 +211,21 @@ static inline void b43_pci_ssb_bridge_exit(void) extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc); extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc); +#ifdef CONFIG_SSB_DRIVER_EXTIF +extern void ssb_extif_init(struct ssb_extif *extif); +#else +static inline void ssb_extif_init(struct ssb_extif *extif) +{ +} +#endif + +#ifdef CONFIG_SSB_DRIVER_GPIO +extern int ssb_gpio_init(struct ssb_bus *bus); +#else /* CONFIG_SSB_DRIVER_GPIO */ +static inline int ssb_gpio_init(struct ssb_bus *bus) +{ + return -ENOTSUPP; +} +#endif /* CONFIG_SSB_DRIVER_GPIO */ + #endif /* LINUX_SSB_PRIVATE_H_ */ diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index 1cf1749440ac..7d662a988d24 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -1,6 +1,8 @@ #ifndef LINUX_BCMA_DRIVER_CC_H_ #define LINUX_BCMA_DRIVER_CC_H_ +#include <linux/gpio.h> + /** ChipCommon core registers. **/ #define BCMA_CC_ID 0x0000 #define BCMA_CC_ID_ID 0x0000FFFF @@ -567,6 +569,12 @@ struct bcma_drv_cc { int nr_serial_ports; struct bcma_serial_port serial_ports[4]; #endif /* CONFIG_BCMA_DRIVER_MIPS */ + + /* Lock for GPIO register access. */ + spinlock_t gpio_lock; +#ifdef CONFIG_BCMA_DRIVER_GPIO + struct gpio_chip gpio; +#endif }; /* Register access */ @@ -603,6 +611,8 @@ u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value); u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value); u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value); u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value); +u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value); +u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value); /* PMU support */ extern void bcma_pmu_init(struct bcma_drv_cc *cc); diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index bb674c02f306..3862a5bbd73b 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -6,6 +6,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/pci.h> +#include <linux/gpio.h> #include <linux/mod_devicetable.h> #include <linux/dma-mapping.h> @@ -433,6 +434,9 @@ struct ssb_bus { /* Lock for GPIO register access. */ spinlock_t gpio_lock; #endif /* EMBEDDED */ +#ifdef CONFIG_SSB_DRIVER_GPIO + struct gpio_chip gpio; +#endif /* DRIVER_GPIO */ /* Internal-only stuff follows. Do not touch. */ struct list_head list; diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index c2b02a5c86ae..30b694345d47 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -590,6 +590,7 @@ struct ssb_chipcommon { u32 status; /* Fast Powerup Delay constant */ u16 fast_pwrup_delay; + spinlock_t gpio_lock; struct ssb_chipcommon_pmu pmu; }; @@ -644,6 +645,8 @@ u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value); u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value); u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value); u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value); +u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value); #ifdef CONFIG_SSB_SERIAL extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h index 91161f0aa22b..bd2306854a91 100644 --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h @@ -158,6 +158,7 @@ struct ssb_extif { struct ssb_device *dev; + spinlock_t gpio_lock; }; static inline bool ssb_extif_available(struct ssb_extif *extif) |