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 <linux/platform_data/mtd-nomadik-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,
116 .init = nhk8815_nand_init,
119 static struct platform_device nhk8815_nand_device = {
120 .name = "nomadik_nand",
122 .platform_data = &nhk8815_nand_data,
124 .resource = nhk8815_nand_resources,
125 .num_resources = ARRAY_SIZE(nhk8815_nand_resources),
128 /* These are the partitions for the OneNand device, different from above */
129 static struct mtd_partition nhk8815_onenand_partitions[] = {
131 .name = "X-Loader(OneNAND)",
135 .name = "MemInit(OneNAND)",
136 .offset = MTDPART_OFS_APPEND,
139 .name = "BootLoader(OneNAND)",
140 .offset = MTDPART_OFS_APPEND,
141 .size = SZ_2M-SZ_256K,
143 .name = "SysImage(OneNAND)",
144 .offset = MTDPART_OFS_APPEND,
147 .name = "Root Filesystem(OneNAND)",
148 .offset = MTDPART_OFS_APPEND,
151 .name = "User Filesystem(OneNAND)",
152 .offset = MTDPART_OFS_APPEND,
153 .size = MTDPART_SIZ_FULL,
157 static struct onenand_platform_data nhk8815_onenand_data = {
158 .parts = nhk8815_onenand_partitions,
159 .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
162 static struct resource nhk8815_onenand_resource[] = {
165 .end = 0x30000000 + SZ_128K - 1,
166 .flags = IORESOURCE_MEM,
170 static struct platform_device nhk8815_onenand_device = {
171 .name = "onenand-flash",
174 .platform_data = &nhk8815_onenand_data,
176 .resource = nhk8815_onenand_resource,
177 .num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
180 static void __init nhk8815_onenand_init(void)
182 #ifdef CONFIG_MTD_ONENAND
183 /* Set up SMCS0 for OneNand */
184 writel(0x000030db, FSMC_BCR(0));
185 writel(0x02100551, FSMC_BTR(0));
189 static struct mmci_platform_data mmcsd_plat_data = {
190 .ocr_mask = MMC_VDD_29_30,
195 .capabilities = MMC_CAP_MMC_HIGHSPEED |
196 MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
199 static int __init nhk8815_mmcsd_init(void)
203 ret = gpio_request(112, "card detect bias");
206 gpio_direction_output(112, 0);
207 amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
210 module_init(nhk8815_mmcsd_init);
212 static struct resource nhk8815_eth_resources[] = {
214 .name = "smc91x-regs",
215 .start = 0x34000000 + 0x300,
216 .end = 0x34000000 + SZ_64K - 1,
217 .flags = IORESOURCE_MEM,
219 .start = NOMADIK_GPIO_TO_IRQ(115),
220 .end = NOMADIK_GPIO_TO_IRQ(115),
221 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
225 static struct platform_device nhk8815_eth_device = {
227 .resource = nhk8815_eth_resources,
228 .num_resources = ARRAY_SIZE(nhk8815_eth_resources),
231 static int __init nhk8815_eth_init(void)
233 int gpio_nr = 115; /* hardwired in the board */
236 err = gpio_request(gpio_nr, "eth_irq");
237 if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO);
238 if (!err) err = gpio_direction_input(gpio_nr);
240 pr_err("Error %i in %s\n", err, __func__);
243 device_initcall(nhk8815_eth_init);
245 static struct platform_device *nhk8815_platform_devices[] __initdata = {
246 &nhk8815_nand_device,
247 &nhk8815_onenand_device,
249 /* will add more devices */
252 static void __init nomadik_timer_init(void)
256 /* Configure timer sources in "system reset controller" ctrl reg */
257 src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
258 src_cr &= SRC_CR_INIT_MASK;
259 src_cr |= SRC_CR_INIT_VAL;
260 writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
262 nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE));
265 static struct sys_timer nomadik_timer = {
266 .init = nomadik_timer_init,
269 static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = {
271 I2C_BOARD_INFO("stw4811", 0x2d),
275 static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = {
277 I2C_BOARD_INFO("camera", 0x10),
280 I2C_BOARD_INFO("stw5095", 0x1a),
283 I2C_BOARD_INFO("lis3lv02dl", 0x1d),
287 static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = {
289 I2C_BOARD_INFO("stw4811-usb", 0x2d),
293 static void __init nhk8815_platform_init(void)
295 cpu8815_platform_init();
296 nhk8815_onenand_init();
297 platform_add_devices(nhk8815_platform_devices,
298 ARRAY_SIZE(nhk8815_platform_devices));
300 amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
301 amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
303 i2c_register_board_info(0, nhk8815_i2c0_devices,
304 ARRAY_SIZE(nhk8815_i2c0_devices));
305 i2c_register_board_info(1, nhk8815_i2c1_devices,
306 ARRAY_SIZE(nhk8815_i2c1_devices));
307 i2c_register_board_info(2, nhk8815_i2c2_devices,
308 ARRAY_SIZE(nhk8815_i2c2_devices));
311 MACHINE_START(NOMADIK, "NHK8815")
312 /* Maintainer: ST MicroElectronics */
313 .atag_offset = 0x100,
314 .map_io = cpu8815_map_io,
315 .init_irq = cpu8815_init_irq,
316 .handle_irq = vic_handle_irq,
317 .timer = &nomadik_timer,
318 .init_machine = nhk8815_platform_init,
319 .restart = cpu8815_restart,