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-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/mach-nomadik/Kconfig10
-rw-r--r--arch/arm/mach-nomadik/Makefile6
-rw-r--r--arch/arm/mach-nomadik/board-nhk8815.c322
-rw-r--r--arch/arm/mach-nomadik/cpu-8815.c112
-rw-r--r--arch/arm/mach-nomadik/cpu-8815.h5
-rw-r--r--arch/arm/mach-nomadik/i2c-8815nhk.c82
7 files changed, 6 insertions, 533 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 67874b82a4ed..bef46edbe830 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -899,10 +899,12 @@ config ARCH_NOMADIK
select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
select ARM_VIC
+ select CLKSRC_NOMADIK_MTU
select COMMON_CLK
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_CACHE_L2X0
+ select OF
select PINCTRL
select PINCTRL_STN8815
select SPARSE_IRQ
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig
index 706dc5727bbe..82226a5d60ef 100644
--- a/arch/arm/mach-nomadik/Kconfig
+++ b/arch/arm/mach-nomadik/Kconfig
@@ -4,19 +4,13 @@ menu "Nomadik boards"
config MACH_NOMADIK_8815NHK
bool "ST 8815 Nomadik Hardware Kit (evaluation board)"
- select CLKSRC_NOMADIK_MTU
select NOMADIK_8815
+ select I2C
+ select I2C_ALGOBIT
endmenu
config NOMADIK_8815
bool
-config I2C_BITBANG_8815NHK
- tristate "Driver for bit-bang busses found on the 8815 NHK"
- depends on I2C && MACH_NOMADIK_8815NHK
- depends on PINCTRL_NOMADIK
- default y
- select I2C_ALGOBIT
-
endif
diff --git a/arch/arm/mach-nomadik/Makefile b/arch/arm/mach-nomadik/Makefile
index a42c9a33d3bf..1071c3b04d1a 100644
--- a/arch/arm/mach-nomadik/Makefile
+++ b/arch/arm/mach-nomadik/Makefile
@@ -9,9 +9,3 @@
# Cpu revision
obj-$(CONFIG_NOMADIK_8815) += cpu-8815.o
-
-# Specific board support
-obj-$(CONFIG_MACH_NOMADIK_8815NHK) += board-nhk8815.o
-
-# Nomadik extra devices
-obj-$(CONFIG_I2C_BITBANG_8815NHK) += i2c-8815nhk.o
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
deleted file mode 100644
index e7b216cb6802..000000000000
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/*
- * linux/arch/arm/mach-nomadik/board-8815nhk.c
- *
- * Copyright (C) STMicroelectronics
- *
- * 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.
- *
- * NHK15 board specifc driver definition
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/mmci.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/fsmc.h>
-#include <linux/mtd/onenand.h>
-#include <linux/mtd/partitions.h>
-#include <linux/i2c.h>
-#include <linux/io.h>
-#include <linux/platform_data/clocksource-nomadik-mtu.h>
-#include <asm/sizes.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-#include <asm/mach/time.h>
-#include <mach/irqs.h>
-
-#include "cpu-8815.h"
-
-/* Initial value for SRC control register: all timers use MXTAL/8 source */
-#define SRC_CR_INIT_MASK 0x00007fff
-#define SRC_CR_INIT_VAL 0x2aaa8000
-
-#define ALE_OFF 0x1000000
-#define CLE_OFF 0x800000
-
-/* These addresses span 16MB, so use three individual pages */
-static struct resource nhk8815_nand_resources[] = {
- {
- .name = "nand_data",
- .start = 0x40000000,
- .end = 0x40000000 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .name = "nand_addr",
- .start = 0x40000000 + ALE_OFF,
- .end = 0x40000000 +ALE_OFF + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .name = "nand_cmd",
- .start = 0x40000000 + CLE_OFF,
- .end = 0x40000000 + CLE_OFF + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .name = "fsmc_regs",
- .start = NOMADIK_FSMC_BASE,
- .end = NOMADIK_FSMC_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-/*
- * These partitions are the same as those used in the 2.6.20 release
- * shipped by the vendor; the first two partitions are mandated
- * by the boot ROM, and the bootloader area is somehow oversized...
- */
-static struct mtd_partition nhk8815_partitions[] = {
- {
- .name = "X-Loader(NAND)",
- .offset = 0,
- .size = SZ_256K,
- }, {
- .name = "MemInit(NAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_256K,
- }, {
- .name = "BootLoader(NAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_2M,
- }, {
- .name = "Kernel zImage(NAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = 3 * SZ_1M,
- }, {
- .name = "Root Filesystem(NAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = 22 * SZ_1M,
- }, {
- .name = "User Filesystem(NAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL,
- }
-};
-
-static struct fsmc_nand_timings nhk8815_nand_timings = {
- .thiz = 0,
- .thold = 0x10,
- .twait = 0x0A,
- .tset = 0,
-};
-
-static struct fsmc_nand_platform_data nhk8815_nand_platform_data = {
- .nand_timings = &nhk8815_nand_timings,
- .partitions = nhk8815_partitions,
- .nr_partitions = ARRAY_SIZE(nhk8815_partitions),
- .width = FSMC_NAND_BW8,
-};
-
-static struct platform_device nhk8815_nand_device = {
- .name = "fsmc-nand",
- .id = -1,
- .resource = nhk8815_nand_resources,
- .num_resources = ARRAY_SIZE(nhk8815_nand_resources),
- .dev = {
- .platform_data = &nhk8815_nand_platform_data,
- },
-};
-
-/* These are the partitions for the OneNand device, different from above */
-static struct mtd_partition nhk8815_onenand_partitions[] = {
- {
- .name = "X-Loader(OneNAND)",
- .offset = 0,
- .size = SZ_256K,
- }, {
- .name = "MemInit(OneNAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_256K,
- }, {
- .name = "BootLoader(OneNAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_2M-SZ_256K,
- }, {
- .name = "SysImage(OneNAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = 4 * SZ_1M,
- }, {
- .name = "Root Filesystem(OneNAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = 22 * SZ_1M,
- }, {
- .name = "User Filesystem(OneNAND)",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL,
- }
-};
-
-static struct onenand_platform_data nhk8815_onenand_data = {
- .parts = nhk8815_onenand_partitions,
- .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
-};
-
-static struct resource nhk8815_onenand_resource[] = {
- {
- .start = 0x30000000,
- .end = 0x30000000 + SZ_128K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device nhk8815_onenand_device = {
- .name = "onenand-flash",
- .id = -1,
- .dev = {
- .platform_data = &nhk8815_onenand_data,
- },
- .resource = nhk8815_onenand_resource,
- .num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
-};
-
-/* bus control reg. and bus timing reg. for CS0..CS3 */
-#define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3))
-#define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04)
-
-static void __init nhk8815_onenand_init(void)
-{
-#ifdef CONFIG_MTD_ONENAND
- /* Set up SMCS0 for OneNand */
- writel(0x000030db, FSMC_BCR(0));
- writel(0x02100551, FSMC_BTR(0));
-#endif
-}
-
-static struct mmci_platform_data mmcsd_plat_data = {
- .ocr_mask = MMC_VDD_29_30,
- .f_max = 48000000,
- .gpio_wp = -1,
- .gpio_cd = 111,
- .cd_invert = true,
- .capabilities = MMC_CAP_MMC_HIGHSPEED |
- MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
-};
-
-static int __init nhk8815_mmcsd_init(void)
-{
- int ret;
-
- /* For e.g. devicetree boot */
- if (!machine_is_nomadik())
- return 0;
-
- ret = gpio_request(112, "card detect bias");
- if (ret)
- return ret;
- gpio_direction_output(112, 0);
- amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
- return 0;
-}
-module_init(nhk8815_mmcsd_init);
-
-static struct resource nhk8815_eth_resources[] = {
- {
- .name = "smc91x-regs",
- .start = 0x34000000 + 0x300,
- .end = 0x34000000 + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = NOMADIK_GPIO_TO_IRQ(115),
- .end = NOMADIK_GPIO_TO_IRQ(115),
- .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
- }
-};
-
-static struct platform_device nhk8815_eth_device = {
- .name = "smc91x",
- .resource = nhk8815_eth_resources,
- .num_resources = ARRAY_SIZE(nhk8815_eth_resources),
-};
-
-static int __init nhk8815_eth_init(void)
-{
- int gpio_nr = 115; /* hardwired in the board */
- int err;
-
- if (!machine_is_nomadik())
- return 0;
- err = gpio_request(gpio_nr, "eth_irq");
- if (!err) err = gpio_direction_input(gpio_nr);
- if (err)
- pr_err("Error %i in %s\n", err, __func__);
- return err;
-}
-device_initcall(nhk8815_eth_init);
-
-static struct platform_device *nhk8815_platform_devices[] __initdata = {
- &nhk8815_nand_device,
- &nhk8815_onenand_device,
- &nhk8815_eth_device,
- /* will add more devices */
-};
-
-static void __init nomadik_timer_init(void)
-{
- u32 src_cr;
-
- /* Configure timer sources in "system reset controller" ctrl reg */
- src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
- src_cr &= SRC_CR_INIT_MASK;
- src_cr |= SRC_CR_INIT_VAL;
- writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
-
- nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0);
-}
-
-static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = {
- {
- I2C_BOARD_INFO("stw4811", 0x2d),
- },
-};
-
-static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = {
- {
- I2C_BOARD_INFO("camera", 0x10),
- },
- {
- I2C_BOARD_INFO("stw5095", 0x1a),
- },
- {
- I2C_BOARD_INFO("lis3lv02dl", 0x1d),
- },
-};
-
-static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = {
- {
- I2C_BOARD_INFO("stw4811-usb", 0x2d),
- },
-};
-
-static void __init nhk8815_platform_init(void)
-{
- cpu8815_platform_init();
- nhk8815_onenand_init();
- platform_add_devices(nhk8815_platform_devices,
- ARRAY_SIZE(nhk8815_platform_devices));
-
- amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
- amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
-
- i2c_register_board_info(0, nhk8815_i2c0_devices,
- ARRAY_SIZE(nhk8815_i2c0_devices));
- i2c_register_board_info(1, nhk8815_i2c1_devices,
- ARRAY_SIZE(nhk8815_i2c1_devices));
- i2c_register_board_info(2, nhk8815_i2c2_devices,
- ARRAY_SIZE(nhk8815_i2c2_devices));
-}
-
-MACHINE_START(NOMADIK, "NHK8815")
- /* Maintainer: ST MicroElectronics */
- .atag_offset = 0x100,
- .map_io = cpu8815_map_io,
- .init_irq = cpu8815_init_irq,
- .init_time = nomadik_timer_init,
- .init_machine = nhk8815_platform_init,
- .restart = cpu8815_restart,
-MACHINE_END
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index 5ad301e4eb2f..60a18e12e6ce 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -48,53 +48,6 @@
#include <asm/cacheflush.h>
#include <asm/hardware/cache-l2x0.h>
-#include "cpu-8815.h"
-
-/* The 8815 has 4 GPIO blocks, let's register them immediately */
-static resource_size_t __initdata cpu8815_gpio_base[] = {
- NOMADIK_GPIO0_BASE,
- NOMADIK_GPIO1_BASE,
- NOMADIK_GPIO2_BASE,
- NOMADIK_GPIO3_BASE,
-};
-
-static struct platform_device *
-cpu8815_add_gpio(int id, resource_size_t addr, int irq,
- struct nmk_gpio_platform_data *pdata)
-{
- struct resource resources[] = {
- {
- .start = addr,
- .end = addr + 127,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = irq,
- .end = irq,
- .flags = IORESOURCE_IRQ,
- }
- };
-
- return platform_device_register_resndata(NULL, "gpio", id,
- resources, ARRAY_SIZE(resources),
- pdata, sizeof(*pdata));
-}
-
-void cpu8815_add_gpios(resource_size_t *base, int num, int irq,
- struct nmk_gpio_platform_data *pdata)
-{
- int first = 0;
- int i;
-
- for (i = 0; i < num; i++, first += 32, irq++) {
- pdata->first_gpio = first;
- pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
- pdata->num_gpio = 32;
-
- cpu8815_add_gpio(i, base[i], irq, pdata);
- }
-}
-
static unsigned long out_low[] = { PIN_OUTPUT_LOW };
static unsigned long out_high[] = { PIN_OUTPUT_HIGH };
static unsigned long in_nopull[] = { PIN_INPUT_NOPULL };
@@ -137,38 +90,6 @@ static struct pinctrl_map __initdata nhk8815_pinmap[] = {
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO74_C20", in_pullup),
};
-static inline void
-cpu8815_add_pinctrl(struct device *parent, const char *name)
-{
- struct platform_device_info pdevinfo = {
- .parent = parent,
- .name = name,
- .id = -1,
- };
-
- pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap));
- platform_device_register_full(&pdevinfo);
-}
-
-static int __init cpu8815_init(void)
-{
- struct nmk_gpio_platform_data pdata = {
- /* No custom data yet */
- };
-
- /* For e.g. device tree boots */
- if (!machine_is_nomadik())
- return 0;
-
- cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base),
- IRQ_GPIO0, &pdata);
- cpu8815_add_pinctrl(NULL, "pinctrl-stn8815");
- amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0);
- amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0);
- return 0;
-}
-arch_initcall(cpu8815_init);
-
/* All SoC devices live in the same area (see hardware.h) */
static struct map_desc nomadik_io_desc[] __initdata = {
{
@@ -180,37 +101,12 @@ static struct map_desc nomadik_io_desc[] __initdata = {
/* static ram and secured ram may be added later */
};
-void __init cpu8815_map_io(void)
+static void __init cpu8815_map_io(void)
{
iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc));
}
-void __init cpu8815_init_irq(void)
-{
- /* This modified VIC cell has two register blocks, at 0 and 0x20 */
- vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START + 0, ~0, 0);
- vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0);
-
- /*
- * Init clocks here so that they are available for system timer
- * initialization.
- */
- nomadik_clk_init();
-}
-
-/*
- * This function is called from the board init ("init_machine").
- */
- void __init cpu8815_platform_init(void)
-{
-#ifdef CONFIG_CACHE_L2X0
- /* At full speed latency must be >=2, so 0x249 in low bits */
- l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff);
-#endif
- return;
-}
-
-void cpu8815_restart(char mode, const char *cmd)
+static void cpu8815_restart(char mode, const char *cmd)
{
void __iomem *src_rstsr = io_p2v(NOMADIK_SRC_BASE + 0x18);
@@ -220,8 +116,6 @@ void cpu8815_restart(char mode, const char *cmd)
writel(1, src_rstsr);
}
-#ifdef CONFIG_OF
-
/* Initial value for SRC control register: all timers use MXTAL/8 source */
#define SRC_CR_INIT_MASK 0x00007fff
#define SRC_CR_INIT_VAL 0x2aaa8000
@@ -393,5 +287,3 @@ DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
.restart = cpu8815_restart,
.dt_compat = cpu8815_board_compat,
MACHINE_END
-
-#endif
diff --git a/arch/arm/mach-nomadik/cpu-8815.h b/arch/arm/mach-nomadik/cpu-8815.h
deleted file mode 100644
index d6c7830e4799..000000000000
--- a/arch/arm/mach-nomadik/cpu-8815.h
+++ /dev/null
@@ -1,5 +0,0 @@
-extern void cpu8815_map_io(void);
-extern void cpu8815_platform_init(void);
-extern void cpu8815_init_irq(void);
-extern void cpu8815_restart(char, const char *);
-extern struct sys_timer cpu8815_timer;
diff --git a/arch/arm/mach-nomadik/i2c-8815nhk.c b/arch/arm/mach-nomadik/i2c-8815nhk.c
deleted file mode 100644
index 299ff5a687bc..000000000000
--- a/arch/arm/mach-nomadik/i2c-8815nhk.c
+++ /dev/null
@@ -1,82 +0,0 @@
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/i2c-gpio.h>
-#include <linux/platform_device.h>
-#include <asm/mach-types.h>
-
-/*
- * There are two busses in the 8815NHK.
- * They could, in theory, be driven by the hardware component, but we
- * use bit-bang through GPIO by now, to keep things simple
- */
-
-/* I2C0 connected to the STw4811 power management chip */
-static struct i2c_gpio_platform_data nhk8815_i2c_data0 = {
- /* keep defaults for timeouts; pins are push-pull bidirectional */
- .scl_pin = 62,
- .sda_pin = 63,
-};
-
-/* I2C1 connected to various sensors */
-static struct i2c_gpio_platform_data nhk8815_i2c_data1 = {
- /* keep defaults for timeouts; pins are push-pull bidirectional */
- .scl_pin = 53,
- .sda_pin = 54,
-};
-
-/* I2C2 connected to the USB portions of the STw4811 only */
-static struct i2c_gpio_platform_data nhk8815_i2c_data2 = {
- /* keep defaults for timeouts; pins are push-pull bidirectional */
- .scl_pin = 73,
- .sda_pin = 74,
-};
-
-static struct platform_device nhk8815_i2c_dev0 = {
- .name = "i2c-gpio",
- .id = 0,
- .dev = {
- .platform_data = &nhk8815_i2c_data0,
- },
-};
-
-static struct platform_device nhk8815_i2c_dev1 = {
- .name = "i2c-gpio",
- .id = 1,
- .dev = {
- .platform_data = &nhk8815_i2c_data1,
- },
-};
-
-static struct platform_device nhk8815_i2c_dev2 = {
- .name = "i2c-gpio",
- .id = 2,
- .dev = {
- .platform_data = &nhk8815_i2c_data2,
- },
-};
-
-static int __init nhk8815_i2c_init(void)
-{
- /* For e.g. devicetree boot */
- if (!machine_is_nomadik())
- return 0;
-
- platform_device_register(&nhk8815_i2c_dev0);
- platform_device_register(&nhk8815_i2c_dev1);
- platform_device_register(&nhk8815_i2c_dev2);
-
- return 0;
-}
-
-static void __exit nhk8815_i2c_exit(void)
-{
- platform_device_unregister(&nhk8815_i2c_dev0);
- platform_device_unregister(&nhk8815_i2c_dev1);
- platform_device_unregister(&nhk8815_i2c_dev2);
- return;
-}
-
-module_init(nhk8815_i2c_init);
-module_exit(nhk8815_i2c_exit);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-17 01:45:47 +0300