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 <asm/hardware/vic.h>
27 #include <asm/sizes.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/irq.h>
31 #include <asm/mach/flash.h>
32 #include <asm/mach/time.h>
34 #include <plat/gpio-nomadik.h>
37 #include <mach/nand.h>
38 #include <mach/fsmc.h>
42 /* Initial value for SRC control register: all timers use MXTAL/8 source */
43 #define SRC_CR_INIT_MASK 0x00007fff
44 #define SRC_CR_INIT_VAL 0x2aaa8000
46 /* These addresses span 16MB, so use three individual pages */
47 static struct resource nhk8815_nand_resources[] = {
50 .start = NAND_IO_ADDR,
51 .end = NAND_IO_ADDR + 0xfff,
52 .flags = IORESOURCE_MEM,
56 .end = NAND_IO_CMD + 0xfff,
57 .flags = IORESOURCE_MEM,
60 .start = NAND_IO_DATA,
61 .end = NAND_IO_DATA + 0xfff,
62 .flags = IORESOURCE_MEM,
66 static int nhk8815_nand_init(void)
68 /* FSMC setup for nand chip select (8-bit nand in 8815NHK) */
69 writel(0x0000000E, FSMC_PCR(0));
70 writel(0x000D0A00, FSMC_PMEM(0));
71 writel(0x00100A00, FSMC_PATT(0));
73 /* enable access to the chip select area */
74 writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0));
80 * These partitions are the same as those used in the 2.6.20 release
81 * shipped by the vendor; the first two partitions are mandated
82 * by the boot ROM, and the bootloader area is somehow oversized...
84 static struct mtd_partition nhk8815_partitions[] = {
86 .name = "X-Loader(NAND)",
90 .name = "MemInit(NAND)",
91 .offset = MTDPART_OFS_APPEND,
94 .name = "BootLoader(NAND)",
95 .offset = MTDPART_OFS_APPEND,
98 .name = "Kernel zImage(NAND)",
99 .offset = MTDPART_OFS_APPEND,
102 .name = "Root Filesystem(NAND)",
103 .offset = MTDPART_OFS_APPEND,
106 .name = "User Filesystem(NAND)",
107 .offset = MTDPART_OFS_APPEND,
108 .size = MTDPART_SIZ_FULL,
112 static struct nomadik_nand_platform_data nhk8815_nand_data = {
113 .parts = nhk8815_partitions,
114 .nparts = ARRAY_SIZE(nhk8815_partitions),
115 .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING \
117 .init = nhk8815_nand_init,
120 static struct platform_device nhk8815_nand_device = {
121 .name = "nomadik_nand",
123 .platform_data = &nhk8815_nand_data,
125 .resource = nhk8815_nand_resources,
126 .num_resources = ARRAY_SIZE(nhk8815_nand_resources),
129 /* These are the partitions for the OneNand device, different from above */
130 static struct mtd_partition nhk8815_onenand_partitions[] = {
132 .name = "X-Loader(OneNAND)",
136 .name = "MemInit(OneNAND)",
137 .offset = MTDPART_OFS_APPEND,
140 .name = "BootLoader(OneNAND)",
141 .offset = MTDPART_OFS_APPEND,
142 .size = SZ_2M-SZ_256K,
144 .name = "SysImage(OneNAND)",
145 .offset = MTDPART_OFS_APPEND,
148 .name = "Root Filesystem(OneNAND)",
149 .offset = MTDPART_OFS_APPEND,
152 .name = "User Filesystem(OneNAND)",
153 .offset = MTDPART_OFS_APPEND,
154 .size = MTDPART_SIZ_FULL,
158 static struct onenand_platform_data nhk8815_onenand_data = {
159 .parts = nhk8815_onenand_partitions,
160 .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
163 static struct resource nhk8815_onenand_resource[] = {
166 .end = 0x30000000 + SZ_128K - 1,
167 .flags = IORESOURCE_MEM,
171 static struct platform_device nhk8815_onenand_device = {
172 .name = "onenand-flash",
175 .platform_data = &nhk8815_onenand_data,
177 .resource = nhk8815_onenand_resource,
178 .num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
181 static void __init nhk8815_onenand_init(void)
183 #ifdef CONFIG_MTD_ONENAND
184 /* Set up SMCS0 for OneNand */
185 writel(0x000030db, FSMC_BCR(0));
186 writel(0x02100551, FSMC_BTR(0));
190 static struct mmci_platform_data mmcsd_plat_data = {
191 .ocr_mask = MMC_VDD_29_30,
196 .capabilities = MMC_CAP_MMC_HIGHSPEED |
197 MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
200 static int __init nhk8815_mmcsd_init(void)
204 ret = gpio_request(112, "card detect bias");
207 gpio_direction_output(112, 0);
208 amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
211 module_init(nhk8815_mmcsd_init);
213 static struct resource nhk8815_eth_resources[] = {
215 .name = "smc91x-regs",
216 .start = 0x34000000 + 0x300,
217 .end = 0x34000000 + SZ_64K - 1,
218 .flags = IORESOURCE_MEM,
220 .start = NOMADIK_GPIO_TO_IRQ(115),
221 .end = NOMADIK_GPIO_TO_IRQ(115),
222 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
226 static struct platform_device nhk8815_eth_device = {
228 .resource = nhk8815_eth_resources,
229 .num_resources = ARRAY_SIZE(nhk8815_eth_resources),
232 static int __init nhk8815_eth_init(void)
234 int gpio_nr = 115; /* hardwired in the board */
237 err = gpio_request(gpio_nr, "eth_irq");
238 if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
239 if (!err) err = gpio_direction_input(gpio_nr);
241 pr_err("Error %i in %s\n", err, __func__);
244 device_initcall(nhk8815_eth_init);
246 static struct platform_device *nhk8815_platform_devices[] __initdata = {
247 &nhk8815_nand_device,
248 &nhk8815_onenand_device,
250 /* will add more devices */
253 static void __init nomadik_timer_init(void)
257 /* Configure timer sources in "system reset controller" ctrl reg */
258 src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
259 src_cr &= SRC_CR_INIT_MASK;
260 src_cr |= SRC_CR_INIT_VAL;
261 writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
263 nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE));
266 static struct sys_timer nomadik_timer = {
267 .init = nomadik_timer_init,
270 static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = {
272 I2C_BOARD_INFO("stw4811", 0x2d),
276 static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = {
278 I2C_BOARD_INFO("camera", 0x10),
281 I2C_BOARD_INFO("stw5095", 0x1a),
284 I2C_BOARD_INFO("lis3lv02dl", 0x1d),
288 static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = {
290 I2C_BOARD_INFO("stw4811-usb", 0x2d),
294 static void __init nhk8815_platform_init(void)
296 cpu8815_platform_init();
297 nhk8815_onenand_init();
298 platform_add_devices(nhk8815_platform_devices,
299 ARRAY_SIZE(nhk8815_platform_devices));
301 amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
302 amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
304 i2c_register_board_info(0, nhk8815_i2c0_devices,
305 ARRAY_SIZE(nhk8815_i2c0_devices));
306 i2c_register_board_info(1, nhk8815_i2c1_devices,
307 ARRAY_SIZE(nhk8815_i2c1_devices));
308 i2c_register_board_info(2, nhk8815_i2c2_devices,
309 ARRAY_SIZE(nhk8815_i2c2_devices));
312 MACHINE_START(NOMADIK, "NHK8815")
313 /* Maintainer: ST MicroElectronics */
314 .atag_offset = 0x100,
315 .map_io = cpu8815_map_io,
316 .init_irq = cpu8815_init_irq,
317 .handle_irq = vic_handle_irq,
318 .timer = &nomadik_timer,
319 .init_machine = nhk8815_platform_init,
320 .restart = cpu8815_restart,