2 * linux/arch/arm/mach-nomadik/board-8815nhk.c
4 * Copyright (C) STMicroelectronics
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2, as
8 * published by the Free Software Foundation.
10 * NHK15 board specifc driver definition
12 #include <linux/types.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/amba/bus.h>
17 #include <linux/amba/mmci.h>
18 #include <linux/interrupt.h>
19 #include <linux/gpio.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/nand.h>
22 #include <linux/mtd/fsmc.h>
23 #include <linux/mtd/onenand.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/i2c.h>
27 #include <linux/pinctrl/machine.h>
28 #include <linux/platform_data/pinctrl-nomadik.h>
29 #include <linux/platform_data/clocksource-nomadik-mtu.h>
30 #include <linux/platform_data/mtd-nomadik-nand.h>
31 #include <asm/hardware/vic.h>
32 #include <asm/sizes.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/flash.h>
36 #include <asm/mach/time.h>
37 #include <mach/irqs.h>
41 /* Initial value for SRC control register: all timers use MXTAL/8 source */
42 #define SRC_CR_INIT_MASK 0x00007fff
43 #define SRC_CR_INIT_VAL 0x2aaa8000
45 #define ALE_OFF 0x1000000
46 #define CLE_OFF 0x800000
48 /* These addresses span 16MB, so use three individual pages */
49 static struct resource nhk8815_nand_resources[] = {
53 .end = 0x40000000 + SZ_16K - 1,
54 .flags = IORESOURCE_MEM,
57 .start = 0x40000000 + ALE_OFF,
58 .end = 0x40000000 +ALE_OFF + SZ_16K - 1,
59 .flags = IORESOURCE_MEM,
62 .start = 0x40000000 + CLE_OFF,
63 .end = 0x40000000 + CLE_OFF + SZ_16K - 1,
64 .flags = IORESOURCE_MEM,
67 .start = NOMADIK_FSMC_BASE,
68 .end = NOMADIK_FSMC_BASE + SZ_4K - 1,
69 .flags = IORESOURCE_MEM,
74 * These partitions are the same as those used in the 2.6.20 release
75 * shipped by the vendor; the first two partitions are mandated
76 * by the boot ROM, and the bootloader area is somehow oversized...
78 static struct mtd_partition nhk8815_partitions[] = {
80 .name = "X-Loader(NAND)",
84 .name = "MemInit(NAND)",
85 .offset = MTDPART_OFS_APPEND,
88 .name = "BootLoader(NAND)",
89 .offset = MTDPART_OFS_APPEND,
92 .name = "Kernel zImage(NAND)",
93 .offset = MTDPART_OFS_APPEND,
96 .name = "Root Filesystem(NAND)",
97 .offset = MTDPART_OFS_APPEND,
100 .name = "User Filesystem(NAND)",
101 .offset = MTDPART_OFS_APPEND,
102 .size = MTDPART_SIZ_FULL,
106 static struct fsmc_nand_timings nhk8815_nand_timings = {
113 static struct fsmc_nand_platform_data nhk8815_nand_platform_data = {
114 .nand_timings = &nhk8815_nand_timings,
115 .partitions = nhk8815_partitions,
116 .nr_partitions = ARRAY_SIZE(nhk8815_partitions),
117 .width = FSMC_NAND_BW8,
120 static struct platform_device nhk8815_nand_device = {
123 .resource = nhk8815_nand_resources,
124 .num_resources = ARRAY_SIZE(nhk8815_nand_resources),
126 .platform_data = &nhk8815_nand_platform_data,
130 /* These are the partitions for the OneNand device, different from above */
131 static struct mtd_partition nhk8815_onenand_partitions[] = {
133 .name = "X-Loader(OneNAND)",
137 .name = "MemInit(OneNAND)",
138 .offset = MTDPART_OFS_APPEND,
141 .name = "BootLoader(OneNAND)",
142 .offset = MTDPART_OFS_APPEND,
143 .size = SZ_2M-SZ_256K,
145 .name = "SysImage(OneNAND)",
146 .offset = MTDPART_OFS_APPEND,
149 .name = "Root Filesystem(OneNAND)",
150 .offset = MTDPART_OFS_APPEND,
153 .name = "User Filesystem(OneNAND)",
154 .offset = MTDPART_OFS_APPEND,
155 .size = MTDPART_SIZ_FULL,
159 static struct onenand_platform_data nhk8815_onenand_data = {
160 .parts = nhk8815_onenand_partitions,
161 .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
164 static struct resource nhk8815_onenand_resource[] = {
167 .end = 0x30000000 + SZ_128K - 1,
168 .flags = IORESOURCE_MEM,
172 static struct platform_device nhk8815_onenand_device = {
173 .name = "onenand-flash",
176 .platform_data = &nhk8815_onenand_data,
178 .resource = nhk8815_onenand_resource,
179 .num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
182 /* bus control reg. and bus timing reg. for CS0..CS3 */
183 #define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3))
184 #define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04)
186 static void __init nhk8815_onenand_init(void)
188 #ifdef CONFIG_MTD_ONENAND
189 /* Set up SMCS0 for OneNand */
190 writel(0x000030db, FSMC_BCR(0));
191 writel(0x02100551, FSMC_BTR(0));
195 static struct mmci_platform_data mmcsd_plat_data = {
196 .ocr_mask = MMC_VDD_29_30,
201 .capabilities = MMC_CAP_MMC_HIGHSPEED |
202 MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
205 static int __init nhk8815_mmcsd_init(void)
209 ret = gpio_request(112, "card detect bias");
212 gpio_direction_output(112, 0);
213 amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
216 module_init(nhk8815_mmcsd_init);
218 static struct resource nhk8815_eth_resources[] = {
220 .name = "smc91x-regs",
221 .start = 0x34000000 + 0x300,
222 .end = 0x34000000 + SZ_64K - 1,
223 .flags = IORESOURCE_MEM,
225 .start = NOMADIK_GPIO_TO_IRQ(115),
226 .end = NOMADIK_GPIO_TO_IRQ(115),
227 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
231 static struct platform_device nhk8815_eth_device = {
233 .resource = nhk8815_eth_resources,
234 .num_resources = ARRAY_SIZE(nhk8815_eth_resources),
237 static int __init nhk8815_eth_init(void)
239 int gpio_nr = 115; /* hardwired in the board */
242 err = gpio_request(gpio_nr, "eth_irq");
243 if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
244 if (!err) err = gpio_direction_input(gpio_nr);
246 pr_err("Error %i in %s\n", err, __func__);
249 device_initcall(nhk8815_eth_init);
251 static struct platform_device *nhk8815_platform_devices[] __initdata = {
252 &nhk8815_nand_device,
253 &nhk8815_onenand_device,
255 /* will add more devices */
258 static void __init nomadik_timer_init(void)
262 /* Configure timer sources in "system reset controller" ctrl reg */
263 src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
264 src_cr &= SRC_CR_INIT_MASK;
265 src_cr |= SRC_CR_INIT_VAL;
266 writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
268 nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0);
271 static struct sys_timer nomadik_timer = {
272 .init = nomadik_timer_init,
275 static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = {
277 I2C_BOARD_INFO("stw4811", 0x2d),
281 static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = {
283 I2C_BOARD_INFO("camera", 0x10),
286 I2C_BOARD_INFO("stw5095", 0x1a),
289 I2C_BOARD_INFO("lis3lv02dl", 0x1d),
293 static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = {
295 I2C_BOARD_INFO("stw4811-usb", 0x2d),
299 static unsigned long out_low[] = { PIN_OUTPUT_LOW };
300 static unsigned long out_high[] = { PIN_OUTPUT_HIGH };
301 static unsigned long in_nopull[] = { PIN_INPUT_NOPULL };
302 static unsigned long in_pullup[] = { PIN_INPUT_PULLUP };
304 static struct pinctrl_map __initdata nhk8815_pinmap[] = {
305 PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"),
306 PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"),
307 /* Hog in MMC/SD card mux */
308 PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"),
310 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low),
312 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup),
314 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high),
316 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup),
317 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup),
318 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup),
319 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup),
321 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high),
323 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high),
325 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup),
327 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull),
329 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low),
332 static void __init nhk8815_platform_init(void)
334 pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap));
335 cpu8815_platform_init();
336 nhk8815_onenand_init();
337 platform_add_devices(nhk8815_platform_devices,
338 ARRAY_SIZE(nhk8815_platform_devices));
340 amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
341 amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
343 i2c_register_board_info(0, nhk8815_i2c0_devices,
344 ARRAY_SIZE(nhk8815_i2c0_devices));
345 i2c_register_board_info(1, nhk8815_i2c1_devices,
346 ARRAY_SIZE(nhk8815_i2c1_devices));
347 i2c_register_board_info(2, nhk8815_i2c2_devices,
348 ARRAY_SIZE(nhk8815_i2c2_devices));
351 MACHINE_START(NOMADIK, "NHK8815")
352 /* Maintainer: ST MicroElectronics */
353 .atag_offset = 0x100,
354 .map_io = cpu8815_map_io,
355 .init_irq = cpu8815_init_irq,
356 .handle_irq = vic_handle_irq,
357 .timer = &nomadik_timer,
358 .init_machine = nhk8815_platform_init,
359 .restart = cpu8815_restart,