forked from Minki/linux
7f252b1628
This reference to the old include header for the FSMC NAND MTD driver was somehow left in place, get rid of it. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
360 lines
9.7 KiB
C
360 lines
9.7 KiB
C
/*
|
|
* 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/pinctrl/machine.h>
|
|
#include <linux/platform_data/pinctrl-nomadik.h>
|
|
#include <linux/platform_data/clocksource-nomadik-mtu.h>
|
|
#include <asm/hardware/vic.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;
|
|
|
|
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;
|
|
|
|
err = gpio_request(gpio_nr, "eth_irq");
|
|
if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
|
|
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 sys_timer nomadik_timer = {
|
|
.init = nomadik_timer_init,
|
|
};
|
|
|
|
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 unsigned long out_low[] = { PIN_OUTPUT_LOW };
|
|
static unsigned long out_high[] = { PIN_OUTPUT_HIGH };
|
|
static unsigned long in_nopull[] = { PIN_INPUT_NOPULL };
|
|
static unsigned long in_pullup[] = { PIN_INPUT_PULLUP };
|
|
|
|
static struct pinctrl_map __initdata nhk8815_pinmap[] = {
|
|
PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"),
|
|
PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"),
|
|
/* Hog in MMC/SD card mux */
|
|
PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"),
|
|
/* MCCLK */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low),
|
|
/* MCCMD */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup),
|
|
/* MCCMDDIR */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high),
|
|
/* MCDAT3-0 */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup),
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup),
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup),
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup),
|
|
/* MCDAT0DIR */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high),
|
|
/* MCDAT31DIR */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high),
|
|
/* MCMSFBCLK */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup),
|
|
/* CD input GPIO */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull),
|
|
/* CD bias drive */
|
|
PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low),
|
|
};
|
|
|
|
static void __init nhk8815_platform_init(void)
|
|
{
|
|
pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap));
|
|
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,
|
|
.handle_irq = vic_handle_irq,
|
|
.timer = &nomadik_timer,
|
|
.init_machine = nhk8815_platform_init,
|
|
.restart = cpu8815_restart,
|
|
MACHINE_END
|