diff options
Diffstat (limited to 'arch/mips/txx9/generic')
| -rw-r--r-- | arch/mips/txx9/generic/7segled.c | 123 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/Makefile | 3 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/irq_tx4939.c | 216 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup.c | 53 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4939.c | 568 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/spi_eeprom.c | 104 |
6 files changed, 0 insertions, 1067 deletions
diff --git a/arch/mips/txx9/generic/7segled.c b/arch/mips/txx9/generic/7segled.c deleted file mode 100644 index 2203c2548cb4..000000000000 --- a/arch/mips/txx9/generic/7segled.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * 7 Segment LED routines - * Based on RBTX49xx patch from CELF patch archive. - * - * 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. - * - * (C) Copyright TOSHIBA CORPORATION 2005-2007 - * All Rights Reserved. - */ -#include <linux/device.h> -#include <linux/slab.h> -#include <linux/map_to_7segment.h> -#include <asm/txx9/generic.h> - -static unsigned int tx_7segled_num; -static void (*tx_7segled_putc)(unsigned int pos, unsigned char val); - -void __init txx9_7segled_init(unsigned int num, - void (*putc)(unsigned int pos, unsigned char val)) -{ - tx_7segled_num = num; - tx_7segled_putc = putc; -} - -static SEG7_CONVERSION_MAP(txx9_seg7map, MAP_ASCII7SEG_ALPHANUM_LC); - -int txx9_7segled_putc(unsigned int pos, char c) -{ - if (pos >= tx_7segled_num) - return -EINVAL; - c = map_to_seg7(&txx9_seg7map, c); - if (c < 0) - return c; - tx_7segled_putc(pos, c); - return 0; -} - -static ssize_t ascii_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - unsigned int ch = dev->id; - txx9_7segled_putc(ch, buf[0]); - return size; -} - -static ssize_t raw_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - unsigned int ch = dev->id; - tx_7segled_putc(ch, buf[0]); - return size; -} - -static DEVICE_ATTR_WO(ascii); -static DEVICE_ATTR_WO(raw); - -static ssize_t map_seg7_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - memcpy(buf, &txx9_seg7map, sizeof(txx9_seg7map)); - return sizeof(txx9_seg7map); -} - -static ssize_t map_seg7_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - if (size != sizeof(txx9_seg7map)) - return -EINVAL; - memcpy(&txx9_seg7map, buf, size); - return size; -} - -static DEVICE_ATTR(map_seg7, 0600, map_seg7_show, map_seg7_store); - -static struct bus_type tx_7segled_subsys = { - .name = "7segled", - .dev_name = "7segled", -}; - -static void tx_7segled_release(struct device *dev) -{ - kfree(dev); -} - -static int __init tx_7segled_init_sysfs(void) -{ - int error, i; - if (!tx_7segled_num) - return -ENODEV; - error = subsys_system_register(&tx_7segled_subsys, NULL); - if (error) - return error; - error = device_create_file(tx_7segled_subsys.dev_root, &dev_attr_map_seg7); - if (error) - return error; - for (i = 0; i < tx_7segled_num; i++) { - struct device *dev; - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) { - error = -ENODEV; - break; - } - dev->id = i; - dev->bus = &tx_7segled_subsys; - dev->release = &tx_7segled_release; - error = device_register(dev); - if (error) { - put_device(dev); - return error; - } - device_create_file(dev, &dev_attr_ascii); - device_create_file(dev, &dev_attr_raw); - } - return error; -} - -device_initcall(tx_7segled_init_sysfs); diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index 6d00580fc81d..be5af9fe7c11 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -8,7 +8,4 @@ obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_SOC_TX3927) += setup_tx3927.o irq_tx3927.o obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o -obj-$(CONFIG_SOC_TX4939) += setup_tx4939.o irq_tx4939.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o -obj-$(CONFIG_SPI) += spi_eeprom.o -obj-$(CONFIG_TXX9_7SEGLED) += 7segled.o diff --git a/arch/mips/txx9/generic/irq_tx4939.c b/arch/mips/txx9/generic/irq_tx4939.c deleted file mode 100644 index 0d7267e81a8c..000000000000 --- a/arch/mips/txx9/generic/irq_tx4939.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * TX4939 irq routines - * Based on linux/arch/mips/kernel/irq_txx9.c, - * and RBTX49xx patch from CELF patch archive. - * - * Copyright 2001, 2003-2005 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ahennessy@mvista.com - * source@mvista.com - * Copyright (C) 2000-2001,2005-2007 Toshiba Corporation - * - * 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. - */ -/* - * TX4939 defines 64 IRQs. - * Similer to irq_txx9.c but different register layouts. - */ -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/types.h> -#include <asm/irq_cpu.h> -#include <asm/txx9irq.h> -#include <asm/txx9/tx4939.h> - -/* IRCER : Int. Control Enable */ -#define TXx9_IRCER_ICE 0x00000001 - -/* IRCR : Int. Control */ -#define TXx9_IRCR_LOW 0x00000000 -#define TXx9_IRCR_HIGH 0x00000001 -#define TXx9_IRCR_DOWN 0x00000002 -#define TXx9_IRCR_UP 0x00000003 -#define TXx9_IRCR_EDGE(cr) ((cr) & 0x00000002) - -/* IRSCR : Int. Status Control */ -#define TXx9_IRSCR_EIClrE 0x00000100 -#define TXx9_IRSCR_EIClr_MASK 0x0000000f - -/* IRCSR : Int. Current Status */ -#define TXx9_IRCSR_IF 0x00010000 - -#define irc_dlevel 0 -#define irc_elevel 1 - -static struct { - unsigned char level; - unsigned char mode; -} tx4939irq[TX4939_NUM_IR] __read_mostly; - -static void tx4939_irq_unmask(struct irq_data *d) -{ - unsigned int irq_nr = d->irq - TXX9_IRQ_BASE; - u32 __iomem *lvlp; - int ofs; - if (irq_nr < 32) { - irq_nr--; - lvlp = &tx4939_ircptr->lvl[(irq_nr % 16) / 2].r; - } else { - irq_nr -= 32; - lvlp = &tx4939_ircptr->lvl[8 + (irq_nr % 16) / 2].r; - } - ofs = (irq_nr & 16) + (irq_nr & 1) * 8; - __raw_writel((__raw_readl(lvlp) & ~(0xff << ofs)) - | (tx4939irq[irq_nr].level << ofs), - lvlp); -} - -static inline void tx4939_irq_mask(struct irq_data *d) -{ - unsigned int irq_nr = d->irq - TXX9_IRQ_BASE; - u32 __iomem *lvlp; - int ofs; - if (irq_nr < 32) { - irq_nr--; - lvlp = &tx4939_ircptr->lvl[(irq_nr % 16) / 2].r; - } else { - irq_nr -= 32; - lvlp = &tx4939_ircptr->lvl[8 + (irq_nr % 16) / 2].r; - } - ofs = (irq_nr & 16) + (irq_nr & 1) * 8; - __raw_writel((__raw_readl(lvlp) & ~(0xff << ofs)) - | (irc_dlevel << ofs), - lvlp); - mmiowb(); -} - -static void tx4939_irq_mask_ack(struct irq_data *d) -{ - unsigned int irq_nr = d->irq - TXX9_IRQ_BASE; - - tx4939_irq_mask(d); - if (TXx9_IRCR_EDGE(tx4939irq[irq_nr].mode)) { - irq_nr--; - /* clear edge detection */ - __raw_writel((TXx9_IRSCR_EIClrE | (irq_nr & 0xf)) - << (irq_nr & 0x10), - &tx4939_ircptr->edc.r); - } -} - -static int tx4939_irq_set_type(struct irq_data *d, unsigned int flow_type) -{ - unsigned int irq_nr = d->irq - TXX9_IRQ_BASE; - u32 cr; - u32 __iomem *crp; - int ofs; - int mode; - - if (flow_type & IRQF_TRIGGER_PROBE) - return 0; - switch (flow_type & IRQF_TRIGGER_MASK) { - case IRQF_TRIGGER_RISING: - mode = TXx9_IRCR_UP; - break; - case IRQF_TRIGGER_FALLING: - mode = TXx9_IRCR_DOWN; - break; - case IRQF_TRIGGER_HIGH: - mode = TXx9_IRCR_HIGH; - break; - case IRQF_TRIGGER_LOW: - mode = TXx9_IRCR_LOW; - break; - default: - return -EINVAL; - } - if (irq_nr < 32) { - irq_nr--; - crp = &tx4939_ircptr->dm[(irq_nr & 8) >> 3].r; - } else { - irq_nr -= 32; - crp = &tx4939_ircptr->dm2[((irq_nr & 8) >> 3)].r; - } - ofs = (((irq_nr & 16) >> 1) | (irq_nr & (8 - 1))) * 2; - cr = __raw_readl(crp); - cr &= ~(0x3 << ofs); - cr |= (mode & 0x3) << ofs; - __raw_writel(cr, crp); - tx4939irq[irq_nr].mode = mode; - return 0; -} - -static struct irq_chip tx4939_irq_chip = { - .name = "TX4939", - .irq_ack = tx4939_irq_mask_ack, - .irq_mask = tx4939_irq_mask, - .irq_mask_ack = tx4939_irq_mask_ack, - .irq_unmask = tx4939_irq_unmask, - .irq_set_type = tx4939_irq_set_type, -}; - -static int tx4939_irq_set_pri(int irc_irq, int new_pri) -{ - int old_pri; - - if ((unsigned int)irc_irq >= TX4939_NUM_IR) - return 0; - old_pri = tx4939irq[irc_irq].level; - tx4939irq[irc_irq].level = new_pri; - return old_pri; -} - -void __init tx4939_irq_init(void) -{ - int i; - - mips_cpu_irq_init(); - /* disable interrupt control */ - __raw_writel(0, &tx4939_ircptr->den.r); - __raw_writel(0, &tx4939_ircptr->maskint.r); - __raw_writel(0, &tx4939_ircptr->maskext.r); - /* irq_base + 0 is not used */ - for (i = 1; i < TX4939_NUM_IR; i++) { - tx4939irq[i].level = 4; /* middle level */ - tx4939irq[i].mode = TXx9_IRCR_LOW; - irq_set_chip_and_handler(TXX9_IRQ_BASE + i, &tx4939_irq_chip, - handle_level_irq); - } - - /* mask all IRC interrupts */ - __raw_writel(0, &tx4939_ircptr->msk.r); - for (i = 0; i < 16; i++) - __raw_writel(0, &tx4939_ircptr->lvl[i].r); - /* setup IRC interrupt mode (Low Active) */ - for (i = 0; i < 2; i++) - __raw_writel(0, &tx4939_ircptr->dm[i].r); - for (i = 0; i < 2; i++) - __raw_writel(0, &tx4939_ircptr->dm2[i].r); - /* enable interrupt control */ - __raw_writel(TXx9_IRCER_ICE, &tx4939_ircptr->den.r); - __raw_writel(irc_elevel, &tx4939_ircptr->msk.r); - - irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4939_IRC_INT, - handle_simple_irq); - - /* raise priority for errors, timers, sio */ - tx4939_irq_set_pri(TX4939_IR_WTOERR, 7); - tx4939_irq_set_pri(TX4939_IR_PCIERR, 7); - tx4939_irq_set_pri(TX4939_IR_PCIPME, 7); - for (i = 0; i < TX4939_NUM_IR_TMR; i++) - tx4939_irq_set_pri(TX4939_IR_TMR(i), 6); - for (i = 0; i < TX4939_NUM_IR_SIO; i++) - tx4939_irq_set_pri(TX4939_IR_SIO(i), 5); -} - -int tx4939_irq(void) -{ - u32 csr = __raw_readl(&tx4939_ircptr->cs.r); - - if (likely(!(csr & TXx9_IRCSR_IF))) - return TXX9_IRQ_BASE + (csr & (TX4939_NUM_IR - 1)); - return -1; -} diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 42ba1e97dff0..39cd1edf9d80 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -315,16 +315,6 @@ static void __init select_board(void) txx9_board_vec = &rbtx4937_vec; break; #endif -#ifdef CONFIG_TOSHIBA_RBTX4938 - case 0x4938: - txx9_board_vec = &rbtx4938_vec; - break; -#endif -#ifdef CONFIG_TOSHIBA_RBTX4939 - case 0x4939: - txx9_board_vec = &rbtx4939_vec; - break; -#endif } #endif } @@ -590,21 +580,6 @@ unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none; EXPORT_SYMBOL(__swizzle_addr_b); #endif -#ifdef NEEDS_TXX9_IOSWABW -static u16 ioswabw_default(volatile u16 *a, u16 x) -{ - return le16_to_cpu(x); -} -static u16 __mem_ioswabw_default(volatile u16 *a, u16 x) -{ - return x; -} -u16 (*ioswabw)(volatile u16 *a, u16 x) = ioswabw_default; -EXPORT_SYMBOL(ioswabw); -u16 (*__mem_ioswabw)(volatile u16 *a, u16 x) = __mem_ioswabw_default; -EXPORT_SYMBOL(__mem_ioswabw); -#endif - void __init txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size, const struct physmap_flash_data *pdata) @@ -840,34 +815,6 @@ void __init txx9_aclc_init(unsigned long baseaddr, int irq, unsigned int dma_chan_out, unsigned int dma_chan_in) { -#if IS_ENABLED(CONFIG_SND_SOC_TXX9ACLC) - unsigned int dma_base = dmac_id * TXX9_DMA_MAX_NR_CHANNELS; - struct resource res[] = { - { - .start = baseaddr, - .end = baseaddr + 0x100 - 1, - .flags = IORESOURCE_MEM, - }, { - .start = irq, - .flags = IORESOURCE_IRQ, - }, { - .name = "txx9dmac-chan", - .start = dma_base + dma_chan_out, - .flags = IORESOURCE_DMA, - }, { - .name = "txx9dmac-chan", - .start = dma_base + dma_chan_in, - .flags = IORESOURCE_DMA, - } - }; - struct platform_device *pdev = - platform_device_alloc("txx9aclc-ac97", -1); - - if (!pdev || - platform_device_add_resources(pdev, res, ARRAY_SIZE(res)) || - platform_device_add(pdev)) - platform_device_put(pdev); -#endif } static struct bus_type txx9_sramc_subsys = { diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c deleted file mode 100644 index f5f59b7401a3..000000000000 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ /dev/null @@ -1,568 +0,0 @@ -/* - * TX4939 setup routines - * Based on linux/arch/mips/txx9/generic/setup_tx4938.c, - * and RBTX49xx patch from CELF patch archive. - * - * 2003-2005 (c) MontaVista Software, Inc. - * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 - * - * 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. - */ -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/notifier.h> -#include <linux/device.h> -#include <linux/ethtool.h> -#include <linux/param.h> -#include <linux/ptrace.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/platform_data/txx9/ndfmc.h> -#include <asm/reboot.h> -#include <asm/traps.h> -#include <asm/txx9irq.h> -#include <asm/txx9tmr.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/dmac.h> -#include <asm/txx9/tx4939.h> - -static void __init tx4939_wdr_init(void) -{ - /* report watchdog reset status */ - if (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDRST) - pr_warn("Watchdog reset detected at 0x%lx\n", - read_c0_errorepc()); - /* clear WatchDogReset (W1C) */ - tx4939_ccfg_set(TX4939_CCFG_WDRST); - /* do reset on watchdog */ - tx4939_ccfg_set(TX4939_CCFG_WR); -} - -void __init tx4939_wdt_init(void) -{ - txx9_wdt_init(TX4939_TMR_REG(2) & 0xfffffffffULL); -} - -static void tx4939_machine_restart(char *command) -{ - local_irq_disable(); - pr_emerg("Rebooting (with %s watchdog reset)...\n", - (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDREXEN) ? - "external" : "internal"); - /* clear watchdog status */ - tx4939_ccfg_set(TX4939_CCFG_WDRST); /* W1C */ - txx9_wdt_now(TX4939_TMR_REG(2) & 0xfffffffffULL); - while (!(____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDRST)) - ; - mdelay(10); - if (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDREXEN) { - pr_emerg("Rebooting (with internal watchdog reset)...\n"); - /* External WDRST failed. Do internal watchdog reset */ - tx4939_ccfg_clear(TX4939_CCFG_WDREXEN); - } - /* fallback */ - (*_machine_halt)(); -} - -void show_registers(struct pt_regs *regs); -static int tx4939_be_handler(struct pt_regs *regs, int is_fixup) -{ - int data = regs->cp0_cause & 4; - console_verbose(); - pr_err("%cBE exception at %#lx\n", - data ? 'D' : 'I', regs->cp0_epc); - pr_err("ccfg:%llx, toea:%llx\n", - (unsigned long long)____raw_readq(&tx4939_ccfgptr->ccfg), - (unsigned long long)____raw_readq(&tx4939_ccfgptr->toea)); -#ifdef CONFIG_PCI - tx4927_report_pcic_status(); -#endif - show_registers(regs); - panic("BusError!"); -} -static void __init tx4939_be_init(void) -{ - mips_set_be_handler(tx4939_be_handler); -} - -static struct resource tx4939_sdram_resource[4]; -static struct resource tx4939_sram_resource; -#define TX4939_SRAM_SIZE 0x800 - -void __init tx4939_setup(void) -{ - int i; - __u32 divmode; - __u64 pcfg; - unsigned int cpuclk = 0; - - txx9_reg_res_init(TX4939_REV_PCODE(), TX4939_REG_BASE, - TX4939_REG_SIZE); - set_c0_config(TX49_CONF_CWFON); - - /* SDRAMC,EBUSC are configured by PROM */ - for (i = 0; i < 4; i++) { - if (!(TX4939_EBUSC_CR(i) & 0x8)) - continue; /* disabled */ - txx9_ce_res[i].start = (unsigned long)TX4939_EBUSC_BA(i); - txx9_ce_res[i].end = - txx9_ce_res[i].start + TX4939_EBUSC_SIZE(i) - 1; - request_resource(&iomem_resource, &txx9_ce_res[i]); - } - - /* clocks */ - if (txx9_master_clock) { - /* calculate cpu_clock from master_clock */ - divmode = (__u32)____raw_readq(&tx4939_ccfgptr->ccfg) & - TX4939_CCFG_MULCLK_MASK; - cpuclk = txx9_master_clock * 20 / 2; - switch (divmode) { - case TX4939_CCFG_MULCLK_8: - cpuclk = cpuclk / 3 * 4 /* / 6 * 8 */; break; - case TX4939_CCFG_MULCLK_9: - cpuclk = cpuclk / 2 * 3 /* / 6 * 9 */; break; - case TX4939_CCFG_MULCLK_10: - cpuclk = cpuclk / 3 * 5 /* / 6 * 10 */; break; - case TX4939_CCFG_MULCLK_11: - cpuclk = cpuclk / 6 * 11; break; - case TX4939_CCFG_MULCLK_12: - cpuclk = cpuclk * 2 /* / 6 * 12 */; break; - case TX4939_CCFG_MULCLK_13: - cpuclk = cpuclk / 6 * 13; break; - case TX4939_CCFG_MULCLK_14: - cpuclk = cpuclk / 3 * 7 /* / 6 * 14 */; break; - case TX4939_CCFG_MULCLK_15: - cpuclk = cpuclk / 2 * 5 /* / 6 * 15 */; break; - } - txx9_cpu_clock = cpuclk; - } else { - if (txx9_cpu_clock == 0) - txx9_cpu_clock = 400000000; /* 400MHz */ - /* calculate master_clock from cpu_clock */ - cpuclk = txx9_cpu_clock; - divmode = (__u32)____raw_readq(&tx4939_ccfgptr->ccfg) & - TX4939_CCFG_MULCLK_MASK; - switch (divmode) { - case TX4939_CCFG_MULCLK_8: - txx9_master_clock = cpuclk * 6 / 8; break; - case TX4939_CCFG_MULCLK_9: - txx9_master_clock = cpuclk * 6 / 9; break; - case TX4939_CCFG_MULCLK_10: - txx9_master_clock = cpuclk * 6 / 10; break; - case TX4939_CCFG_MULCLK_11: - txx9_master_clock = cpuclk * 6 / 11; break; - case TX4939_CCFG_MULCLK_12: - txx9_master_clock = cpuclk * 6 / 12; break; - case TX4939_CCFG_MULCLK_13: - txx9_master_clock = cpuclk * 6 / 13; break; - case TX4939_CCFG_MULCLK_14: - txx9_master_clock = cpuclk * 6 / 14; break; - case TX4939_CCFG_MULCLK_15: - txx9_master_clock = cpuclk * 6 / 15; break; - } - txx9_master_clock /= 10; /* * 2 / 20 */ - } - /* calculate gbus_clock from cpu_clock */ - divmode = (__u32)____raw_readq(&tx4939_ccfgptr->ccfg) & - TX4939_CCFG_YDIVMODE_MASK; - txx9_gbus_clock = txx9_cpu_clock; - switch (divmode) { - case TX4939_CCFG_YDIVMODE_2: - txx9_gbus_clock /= 2; break; - case TX4939_CCFG_YDIVMODE_3: - txx9_gbus_clock /= 3; break; - case TX4939_CCFG_YDIVMODE_5: - txx9_gbus_clock /= 5; break; - case TX4939_CCFG_YDIVMODE_6: - txx9_gbus_clock /= 6; break; - } - /* change default value to udelay/mdelay take reasonable time */ - loops_per_jiffy = txx9_cpu_clock / HZ / 2; - - /* CCFG */ - tx4939_wdr_init(); - /* clear BusErrorOnWrite flag (W1C) */ - tx4939_ccfg_set(TX4939_CCFG_WDRST | TX4939_CCFG_BEOW); - /* enable Timeout BusError */ - if (txx9_ccfg_toeon) - tx4939_ccfg_set(TX4939_CCFG_TOE); - - /* DMA selection */ - txx9_clear64(&tx4939_ccfgptr->pcfg, TX4939_PCFG_DMASEL_ALL); - - /* Use external clock for external arbiter */ - if (!(____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCIARB)) - txx9_clear64(&tx4939_ccfgptr->pcfg, TX4939_PCFG_PCICLKEN_ALL); - - pr_info("%s -- %dMHz(M%dMHz,G%dMHz) CRIR:%08x CCFG:%llx PCFG:%llx\n", - txx9_pcode_str, - (cpuclk + 500000) / 1000000, - (txx9_master_clock + 500000) / 1000000, - (txx9_gbus_clock + 500000) / 1000000, - (__u32)____raw_readq(&tx4939_ccfgptr->crir), - ____raw_readq(&tx4939_ccfgptr->ccfg), - ____raw_readq(&tx4939_ccfgptr->pcfg)); - - pr_info("%s DDRC -- EN:%08x", txx9_pcode_str, - (__u32)____raw_readq(&tx4939_ddrcptr->winen)); - for (i = 0; i < 4; i++) { - __u64 win = ____raw_readq(&tx4939_ddrcptr->win[i]); - if (!((__u32)____raw_readq(&tx4939_ddrcptr->winen) & (1 << i))) - continue; /* disabled */ - pr_cont(" #%d:%016llx", i, win); - tx4939_sdram_resource[i].name = "DDR SDRAM"; - tx4939_sdram_resource[i].start = - (unsigned long)(win >> 48) << 20; - tx4939_sdram_resource[i].end = - ((((unsigned long)(win >> 32) & 0xffff) + 1) << - 20) - 1; - tx4939_sdram_resource[i].flags = IORESOURCE_MEM; - request_resource(&iomem_resource, &tx4939_sdram_resource[i]); - } - pr_cont("\n"); - - /* SRAM */ - if (____raw_readq(&tx4939_sramcptr->cr) & 1) { - unsigned int size = TX4939_SRAM_SIZE; - tx4939_sram_resource.name = "SRAM"; - tx4939_sram_resource.start = - (____raw_readq(&tx4939_sramcptr->cr) >> (39-11)) - & ~(size - 1); - tx4939_sram_resource.end = - tx4939_sram_resource.start + TX4939_SRAM_SIZE - 1; - tx4939_sram_resource.flags = IORESOURCE_MEM; - request_resource(&iomem_resource, &tx4939_sram_resource); - } - - /* TMR */ - /* disable all timers */ - for (i = 0; i < TX4939_NR_TMR; i++) - txx9_tmr_init(TX4939_TMR_REG(i) & 0xfffffffffULL); - - /* set PCIC1 reset (required to prevent hangup on BIST) */ - txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1RST); - pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg); - if (pcfg & (TX4939_PCFG_ET0MODE | TX4939_PCFG_ET1MODE)) { - mdelay(1); /* at least 128 cpu clock */ - /* clear PCIC1 reset */ - txx9_clear64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1RST); - } else { - pr_info("%s: stop PCIC1\n", txx9_pcode_str); - /* stop PCIC1 */ - txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1CKD); - } - if (!(pcfg & TX4939_PCFG_ET0MODE)) { - pr_info("%s: stop ETH0\n", txx9_pcode_str); - txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH0RST); - txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH0CKD); - } - if (!(pcfg & TX4939_PCFG_ET1MODE)) { - pr_info("%s: stop ETH1\n", txx9_pcode_str); - txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH1RST); - txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH1CKD); - } - - _machine_restart = tx4939_machine_restart; - board_be_init = tx4939_be_init; -} - -void __init tx4939_time_init(unsigned int tmrnr) -{ - if (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_TINTDIS) - txx9_clockevent_init(TX4939_TMR_REG(tmrnr) & 0xfffffffffULL, - TXX9_IRQ_BASE + TX4939_IR_TMR(tmrnr), - TXX9_IMCLK); -} - -void __init tx4939_sio_init(unsigned int sclk, unsigned int cts_mask) -{ - int i; - unsigned int ch_mask = 0; - __u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); - - cts_mask |= ~1; /* only SIO0 have RTS/CTS */ - if ((pcfg & TX4939_PCFG_SIO2MODE_MASK) != TX4939_PCFG_SIO2MODE_SIO0) - cts_mask |= 1 << 0; /* disable SIO0 RTS/CTS by PCFG setting */ - if ((pcfg & TX4939_PCFG_SIO2MODE_MASK) != TX4939_PCFG_SIO2MODE_SIO2) - ch_mask |= 1 << 2; /* disable SIO2 by PCFG setting */ - if (pcfg & TX4939_PCFG_SIO3MODE) - ch_mask |= 1 << 3; /* disable SIO3 by PCFG setting */ - for (i = 0; i < 4; i++) { - if ((1 << i) & ch_mask) - continue; - txx9_sio_init(TX4939_SIO_REG(i) & 0xfffffffffULL, - TXX9_IRQ_BASE + TX4939_IR_SIO(i), - i, sclk, (1 << i) & cts_mask); - } -} - -#if IS_ENABLED(CONFIG_TC35815) -static u32 tx4939_get_eth_speed(struct net_device *dev) -{ - struct ethtool_link_ksettings cmd; - - if (__ethtool_get_link_ksettings(dev, &cmd)) - return 100; /* default 100Mbps */ - - return cmd.base.speed; -} - -static int tx4939_netdev_event(struct notifier_block *this, - unsigned long event, - void *ptr) -{ - struct net_device *dev = netdev_notifier_info_to_dev(ptr); - - if (event == NETDEV_CHANGE && netif_carrier_ok(dev)) { - __u64 bit = 0; - if (dev->irq == TXX9_IRQ_BASE + TX4939_IR_ETH(0)) - bit = TX4939_PCFG_SPEED0; - else if (dev->irq == TXX9_IRQ_BASE + TX4939_IR_ETH(1)) - bit = TX4939_PCFG_SPEED1; - if (bit) { - if (tx4939_get_eth_speed(dev) == 100) - txx9_set64(&tx4939_ccfgptr->pcfg, bit); - else - txx9_clear64(&tx4939_ccfgptr->pcfg, bit); - } - } - return NOTIFY_DONE; -} - -static struct notifier_block tx4939_netdev_notifier = { - .notifier_call = tx4939_netdev_event, - .priority = 1, -}; - -void __init tx4939_ethaddr_init(unsigned char *addr0, unsigned char *addr1) -{ - u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); - - if (addr0 && (pcfg & TX4939_PCFG_ET0MODE)) - txx9_ethaddr_init(TXX9_IRQ_BASE + TX4939_IR_ETH(0), addr0); - if (addr1 && (pcfg & TX4939_PCFG_ET1MODE)) - txx9_ethaddr_init(TXX9_IRQ_BASE + TX4939_IR_ETH(1), addr1); - register_netdevice_notifier(&tx4939_netdev_notifier); -} -#else -void __init tx4939_ethaddr_init(unsigned char *addr0, unsigned char *addr1) -{ -} -#endif - -void __init tx4939_mtd_init(int ch) -{ - struct physmap_flash_data pdata = { - .width = TX4939_EBUSC_WIDTH(ch) / 8, - }; - unsigned long start = txx9_ce_res[ch].start; - unsigned long size = txx9_ce_res[ch].end - start + 1; - - if (!(TX4939_EBUSC_CR(ch) & 0x8)) - return; /* disabled */ - txx9_physmap_flash_init(ch, start, size, &pdata); -} - -#define TX4939_ATA_REG_PHYS(ch) (TX4939_ATA_REG(ch) & 0xfffffffffULL) -void __init tx4939_ata_init(void) -{ - static struct resource ata0_res[] = { - { - .start = TX4939_ATA_REG_PHYS(0), - .end = TX4939_ATA_REG_PHYS(0) + 0x1000 - 1, - .flags = IORESOURCE_MEM, - }, { - .start = TXX9_IRQ_BASE + TX4939_IR_ATA(0), - .flags = IORESOURCE_IRQ, - }, - }; - static struct resource ata1_res[] = { - { - .start = TX4939_ATA_REG_PHYS(1), - .end = TX4939_ATA_REG_PHYS(1) + 0x1000 - 1, - .flags = IORESOURCE_MEM, - }, { - .start = TXX9_IRQ_BASE + TX4939_IR_ATA(1), - .flags = IORESOURCE_IRQ, - }, - }; - static struct platform_device ata0_dev = { - .name = "tx4939ide", - .id = 0, - .num_resources = ARRAY_SIZE(ata0_res), - .resource = ata0_res, - }; - static struct platform_device ata1_dev = { - .name = "tx4939ide", - .id = 1, - .num_resources = ARRAY_SIZE(ata1_res), - .resource = ata1_res, - }; - __u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); - - if (pcfg & TX4939_PCFG_ATA0MODE) - platform_device_register(&ata0_dev); - if ((pcfg & (TX4939_PCFG_ATA1MODE | - TX4939_PCFG_ET1MODE | - TX4939_PCFG_ET0MODE)) == TX4939_PCFG_ATA1MODE) - platform_device_register(&ata1_dev); -} - -void __init tx4939_rtc_init(void) -{ - static struct resource res[] = { - { - .start = TX4939_RTC_REG & 0xfffffffffULL, - .end = (TX4939_RTC_REG & 0xfffffffffULL) + 0x100 - 1, - .flags = IORESOURCE_MEM, - }, { - .start = TXX9_IRQ_BASE + TX4939_IR_RTC, - .flags = IORESOURCE_IRQ, - }, - }; - static struct platform_device rtc_dev = { - .name = "tx4939rtc", - .id = -1, - .num_resources = ARRAY_SIZE(res), - .resource = res, - }; - - platform_device_register(&rtc_dev); -} - -void __init tx4939_ndfmc_init(unsigned int hold, unsigned int spw, - unsigned char ch_mask, unsigned char wide_mask) -{ - struct txx9ndfmc_platform_data plat_data = { - .shift = 1, - .gbus_clock = txx9_gbus_clock, - .hold = hold, - .spw = spw, - .flags = NDFMC_PLAT_FLAG_NO_RSTR | NDFMC_PLAT_FLAG_HOLDADD | - NDFMC_PLAT_FLAG_DUMMYWRITE, - .ch_mask = ch_mask, - .wide_mask = wide_mask, - }; - txx9_ndfmc_init(TX4939_NDFMC_REG & 0xfffffffffULL, &plat_data); -} - -void __init tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1) -{ - struct txx9dmac_platform_data plat_data = { - .have_64bit_regs = true, - }; - int i; - - for (i = 0; i < 2; i++) { - plat_data.memcpy_chan = i ? memcpy_chan1 : memcpy_chan0; - txx9_dmac_init(i, TX4939_DMA_REG(i) & 0xfffffffffULL, - TXX9_IRQ_BASE + TX4939_IR_DMA(i, 0), - &plat_data); - } -} - -void __init tx4939_aclc_init(void) -{ - u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); - - if ((pcfg & TX4939_PCFG_I2SMODE_MASK) == TX4939_PCFG_I2SMODE_ACLC) - txx9_aclc_init(TX4939_ACLC_REG & 0xfffffffffULL, - TXX9_IRQ_BASE + TX4939_IR_ACLC, 1, 0, 1); -} - -void __init tx4939_sramc_init(void) -{ - if (tx4939_sram_resource.start) - txx9_sramc_init(&tx4939_sram_resource); -} - -void __init tx4939_rng_init(void) -{ - static struct resource res = { - .start = TX4939_RNG_REG & 0xfffffffffULL, - .end = (TX4939_RNG_REG & 0xfffffffffULL) + 0x30 - 1, - .flags = IORESOURCE_MEM, - }; - static struct platform_device pdev = { - .name = "tx4939-rng", - .id = -1, - .num_resources = 1, - .resource = &res, - }; - - platform_device_register(&pdev); -} - -static void __init tx4939_stop_unused_modules(void) -{ - __u64 pcfg, rst = 0, ckd = 0; - char buf[128]; - - buf[0] = '\0'; - local_irq_disable(); - pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg); - if ((pcfg & TX4939_PCFG_I2SMODE_MASK) != - TX4939_PCFG_I2SMODE_ACLC) { - rst |= TX4939_CLKCTR_ACLRST; - ckd |= TX4939_CLKCTR_ACLCKD; - strcat(buf, " ACLC"); - } - if ((pcfg & TX4939_PCFG_I2SMODE_MASK) != - TX4939_PCFG_I2SMODE_I2S && - (pcfg & TX4939_PCFG_I2SMODE_MASK) != - TX4939_PCFG_I2SMODE_I2S_ALT) { - rst |= TX4939_CLKCTR_I2SRST; - ckd |= TX4939_CLKCTR_I2SCKD; - strcat(buf, " I2S"); - } - if (!(pcfg & TX4939_PCFG_ATA0MODE)) { - rst |= TX4939_CLKCTR_ATA0RST; - ckd |= TX4939_CLKCTR_ATA0CKD; - strcat(buf, " ATA0"); - } - if (!(pcfg & TX4939_PCFG_ATA1MODE)) { - rst |= TX4939_CLKCTR_ATA1RST; - ckd |= TX4939_CLKCTR_ATA1CKD; - strcat(buf, " ATA1"); - } - if (pcfg & TX4939_PCFG_SPIMODE) { - rst |= TX4939_CLKCTR_SPIRST; - ckd |= TX4939_CLKCTR_SPICKD; - strcat(buf, " SPI"); - } - if (!(pcfg & (TX4939_PCFG_VSSMODE | TX4939_PCFG_VPSMODE))) { - rst |= TX4939_CLKCTR_VPCRST; - ckd |= TX4939_CLKCTR_VPCCKD; - strcat(buf, " VPC"); - } - if ((pcfg & TX4939_PCFG_SIO2MODE_MASK) != TX4939_PCFG_SIO2MODE_SIO2) { - rst |= TX4939_CLKCTR_SIO2RST; - ckd |= TX4939_CLKCTR_SIO2CKD; - strcat(buf, " SIO2"); - } - if (pcfg & TX4939_PCFG_SIO3MODE) { - rst |= TX4939_CLKCTR_SIO3RST; - ckd |= TX4939_CLKCTR_SIO3CKD; - strcat(buf, " SIO3"); - } - if (rst | ckd) { - txx9_set64(&tx4939_ccfgptr->clkctr, rst); - txx9_set64(&tx4939_ccfgptr->clkctr, ckd); - } - local_irq_enable(); - if (buf[0]) - pr_info("%s: stop%s\n", txx9_pcode_str, buf); -} - -static int __init tx4939_late_init(void) -{ - if (txx9_pcode != 0x4939) - return -ENODEV; - tx4939_stop_unused_modules(); - return 0; -} -late_initcall(tx4939_late_init); diff --git a/arch/mips/txx9/generic/spi_eeprom.c b/arch/mips/txx9/generic/spi_eeprom.c deleted file mode 100644 index d833dd2c9b55..000000000000 --- a/arch/mips/txx9/generic/spi_eeprom.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * spi_eeprom.c - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/export.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/spi/eeprom.h> -#include <asm/txx9/spi.h> - -#define AT250X0_PAGE_SIZE 8 - -/* register board information for at25 driver */ -int __init spi_eeprom_register(int busid, int chipid, int size) -{ - struct spi_board_info info = { - .modalias = "at25", - .max_speed_hz = 1500000, /* 1.5Mbps */ - .bus_num = busid, - .chip_select = chipid, - /* Mode 0: High-Active, Sample-Then-Shift */ - }; - struct spi_eeprom *eeprom; - eeprom = kzalloc(sizeof(*eeprom), GFP_KERNEL); - if (!eeprom) - return -ENOMEM; - strcpy(eeprom->name, "at250x0"); - eeprom->byte_len = size; - eeprom->page_size = AT250X0_PAGE_SIZE; - eeprom->flags = EE_ADDR1; - info.platform_data = eeprom; - return spi_register_board_info(&info, 1); -} - -/* simple temporary spi driver to provide early access to seeprom. */ - -static struct read_param { - int busid; - int chipid; - int address; - unsigned char *buf; - int len; -} *read_param; - -static int __init early_seeprom_probe(struct spi_device *spi) -{ - int stat = 0; - u8 cmd[2]; - int len = read_param->len; - char *buf = read_param->buf; - int address = read_param->address; - - dev_info(&spi->dev, "spiclk %u KHz.\n", - (spi->max_speed_hz + 500) / 1000); - if (read_param->busid != spi->master->bus_num || - read_param->chipid != spi->chip_select) - return -ENODEV; - while (len > 0) { - /* spi_write_then_read can only work with small chunk */ - int c = len < AT250X0_PAGE_SIZE ? len : AT250X0_PAGE_SIZE; - cmd[0] = 0x03; /* AT25_READ */ - cmd[1] = address; - stat = spi_write_then_read(spi, cmd, sizeof(cmd), buf, c); - buf += c; - len -= c; - address += c; - } - return stat; -} - -static struct spi_driver early_seeprom_driver __initdata = { - .driver = { - .name = "at25", - }, - .probe = early_seeprom_probe, -}; - -int __init spi_eeprom_read(int busid, int chipid, int address, - unsigned char *buf, int len) -{ - int ret; - struct read_param param = { - .busid = busid, - .chipid = chipid, - .address = address, - .buf = buf, - .len = len - }; - - read_param = ¶m; - ret = spi_register_driver(&early_seeprom_driver); - if (!ret) - spi_unregister_driver(&early_seeprom_driver); - return ret; -} |