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/onenand.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/i2c.h>
26 #include <linux/pinctrl/machine.h>
27 #include <linux/platform_data/pinctrl-nomadik.h>
28 #include <linux/platform_data/clocksource-nomadik-mtu.h>
29 #include <linux/platform_data/mtd-nomadik-nand.h>
30 #include <asm/hardware/vic.h>
31 #include <asm/sizes.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/flash.h>
35 #include <asm/mach/time.h>
36 #include <mach/fsmc.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 /* These addresses span 16MB, so use three individual pages */
46 static struct resource nhk8815_nand_resources[] = {
49 .start = NAND_IO_ADDR,
50 .end = NAND_IO_ADDR + 0xfff,
51 .flags = IORESOURCE_MEM,
55 .end = NAND_IO_CMD + 0xfff,
56 .flags = IORESOURCE_MEM,
59 .start = NAND_IO_DATA,
60 .end = NAND_IO_DATA + 0xfff,
61 .flags = IORESOURCE_MEM,
65 static int nhk8815_nand_init(void)
67 /* FSMC setup for nand chip select (8-bit nand in 8815NHK) */
68 writel(0x0000000E, FSMC_PCR(0));
69 writel(0x000D0A00, FSMC_PMEM(0));
70 writel(0x00100A00, FSMC_PATT(0));
72 /* enable access to the chip select area */
73 writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0));
79 * These partitions are the same as those used in the 2.6.20 release
80 * shipped by the vendor; the first two partitions are mandated
81 * by the boot ROM, and the bootloader area is somehow oversized...
83 static struct mtd_partition nhk8815_partitions[] = {
85 .name = "X-Loader(NAND)",
89 .name = "MemInit(NAND)",
90 .offset = MTDPART_OFS_APPEND,
93 .name = "BootLoader(NAND)",
94 .offset = MTDPART_OFS_APPEND,
97 .name = "Kernel zImage(NAND)",
98 .offset = MTDPART_OFS_APPEND,
101 .name = "Root Filesystem(NAND)",
102 .offset = MTDPART_OFS_APPEND,
105 .name = "User Filesystem(NAND)",
106 .offset = MTDPART_OFS_APPEND,
107 .size = MTDPART_SIZ_FULL,
111 static struct nomadik_nand_platform_data nhk8815_nand_data = {
112 .parts = nhk8815_partitions,
113 .nparts = ARRAY_SIZE(nhk8815_partitions),
114 .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING,
115 .init = nhk8815_nand_init,
118 static struct platform_device nhk8815_nand_device = {
119 .name = "nomadik_nand",
121 .platform_data = &nhk8815_nand_data,
123 .resource = nhk8815_nand_resources,
124 .num_resources = ARRAY_SIZE(nhk8815_nand_resources),
127 /* These are the partitions for the OneNand device, different from above */
128 static struct mtd_partition nhk8815_onenand_partitions[] = {
130 .name = "X-Loader(OneNAND)",
134 .name = "MemInit(OneNAND)",
135 .offset = MTDPART_OFS_APPEND,
138 .name = "BootLoader(OneNAND)",
139 .offset = MTDPART_OFS_APPEND,
140 .size = SZ_2M-SZ_256K,
142 .name = "SysImage(OneNAND)",
143 .offset = MTDPART_OFS_APPEND,
146 .name = "Root Filesystem(OneNAND)",
147 .offset = MTDPART_OFS_APPEND,
150 .name = "User Filesystem(OneNAND)",
151 .offset = MTDPART_OFS_APPEND,
152 .size = MTDPART_SIZ_FULL,
156 static struct onenand_platform_data nhk8815_onenand_data = {
157 .parts = nhk8815_onenand_partitions,
158 .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
161 static struct resource nhk8815_onenand_resource[] = {
164 .end = 0x30000000 + SZ_128K - 1,
165 .flags = IORESOURCE_MEM,
169 static struct platform_device nhk8815_onenand_device = {
170 .name = "onenand-flash",
173 .platform_data = &nhk8815_onenand_data,
175 .resource = nhk8815_onenand_resource,
176 .num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
179 static void __init nhk8815_onenand_init(void)
181 #ifdef CONFIG_MTD_ONENAND
182 /* Set up SMCS0 for OneNand */
183 writel(0x000030db, FSMC_BCR(0));
184 writel(0x02100551, FSMC_BTR(0));
188 static struct mmci_platform_data mmcsd_plat_data = {
189 .ocr_mask = MMC_VDD_29_30,
194 .capabilities = MMC_CAP_MMC_HIGHSPEED |
195 MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
198 static int __init nhk8815_mmcsd_init(void)
202 ret = gpio_request(112, "card detect bias");
205 gpio_direction_output(112, 0);
206 amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
209 module_init(nhk8815_mmcsd_init);
211 static struct resource nhk8815_eth_resources[] = {
213 .name = "smc91x-regs",
214 .start = 0x34000000 + 0x300,
215 .end = 0x34000000 + SZ_64K - 1,
216 .flags = IORESOURCE_MEM,
218 .start = NOMADIK_GPIO_TO_IRQ(115),
219 .end = NOMADIK_GPIO_TO_IRQ(115),
220 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
224 static struct platform_device nhk8815_eth_device = {
226 .resource = nhk8815_eth_resources,
227 .num_resources = ARRAY_SIZE(nhk8815_eth_resources),
230 static int __init nhk8815_eth_init(void)
232 int gpio_nr = 115; /* hardwired in the board */
235 err = gpio_request(gpio_nr, "eth_irq");
236 if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
237 if (!err) err = gpio_direction_input(gpio_nr);
239 pr_err("Error %i in %s\n", err, __func__);
242 device_initcall(nhk8815_eth_init);
244 static struct platform_device *nhk8815_platform_devices[] __initdata = {
245 &nhk8815_nand_device,
246 &nhk8815_onenand_device,
248 /* will add more devices */
251 static void __init nomadik_timer_init(void)
255 /* Configure timer sources in "system reset controller" ctrl reg */
256 src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
257 src_cr &= SRC_CR_INIT_MASK;
258 src_cr |= SRC_CR_INIT_VAL;
259 writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
261 nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0);
264 static struct sys_timer nomadik_timer = {
265 .init = nomadik_timer_init,
268 static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = {
270 I2C_BOARD_INFO("stw4811", 0x2d),
274 static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = {
276 I2C_BOARD_INFO("camera", 0x10),
279 I2C_BOARD_INFO("stw5095", 0x1a),
282 I2C_BOARD_INFO("lis3lv02dl", 0x1d),
286 static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = {
288 I2C_BOARD_INFO("stw4811-usb", 0x2d),
292 static unsigned long out_low[] = { PIN_OUTPUT_LOW };
293 static unsigned long out_high[] = { PIN_OUTPUT_HIGH };
294 static unsigned long in_nopull[] = { PIN_INPUT_NOPULL };
295 static unsigned long in_pullup[] = { PIN_INPUT_PULLUP };
297 static struct pinctrl_map __initdata nhk8815_pinmap[] = {
298 PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"),
299 PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"),
300 /* Hog in MMC/SD card mux */
301 PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"),
303 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low),
305 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup),
307 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high),
309 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup),
310 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup),
311 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup),
312 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup),
314 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high),
316 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high),
318 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup),
320 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull),
322 PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low),
325 static void __init nhk8815_platform_init(void)
327 pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap));
328 cpu8815_platform_init();
329 nhk8815_onenand_init();
330 platform_add_devices(nhk8815_platform_devices,
331 ARRAY_SIZE(nhk8815_platform_devices));
333 amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
334 amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
336 i2c_register_board_info(0, nhk8815_i2c0_devices,
337 ARRAY_SIZE(nhk8815_i2c0_devices));
338 i2c_register_board_info(1, nhk8815_i2c1_devices,
339 ARRAY_SIZE(nhk8815_i2c1_devices));
340 i2c_register_board_info(2, nhk8815_i2c2_devices,
341 ARRAY_SIZE(nhk8815_i2c2_devices));
344 MACHINE_START(NOMADIK, "NHK8815")
345 /* Maintainer: ST MicroElectronics */
346 .atag_offset = 0x100,
347 .map_io = cpu8815_map_io,
348 .init_irq = cpu8815_init_irq,
349 .handle_irq = vic_handle_irq,
350 .timer = &nomadik_timer,
351 .init_machine = nhk8815_platform_init,
352 .restart = cpu8815_restart,