4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/interrupt.h>
23 #include <linux/irq.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/usb/r8a66597.h>
31 #include <linux/input.h>
32 #include <linux/input/sh_keysc.h>
33 #include <linux/mfd/sh_mobile_sdhi.h>
34 #include <linux/gpio.h>
35 #include <mach/sh7377.h>
36 #include <mach/common.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
44 * SDHI0 : card detection is possible
45 * SDHI1 : card detection is impossible
48 * JP74 : short # DBG_2V8A for SDHI0
49 * JP75 : NC # DBG_3V3A for SDHI0
50 * JP76 : NC # DBG_3V3A_SD for SDHI0
51 * JP77 : NC # 3V3A_SDIO for SDHI1
52 * JP78 : short # DBG_2V8A for SDHI1
53 * JP79 : NC # DBG_3V3A for SDHI1
54 * JP80 : NC # DBG_3V3A_SD for SDHI1
57 * S32 : all off # to dissever from G3-CORE_DBG board
58 * S33 : all off # to dissever from G3-CORE_DBG board
61 * S1 : all off # to dissever from G3-CORE_DBG board
62 * S3 : all off # to dissever from G3-CORE_DBG board
63 * S4 : all off # to dissever from G3-CORE_DBG board
66 static struct mtd_partition nor_flash_partitions[] = {
74 .offset = MTDPART_OFS_APPEND,
79 .offset = MTDPART_OFS_APPEND,
80 .size = 8 * 1024 * 1024,
81 .mask_flags = MTD_WRITEABLE,
85 .offset = MTDPART_OFS_APPEND,
86 .size = 8 * 1024 * 1024,
90 .offset = MTDPART_OFS_APPEND,
91 .size = MTDPART_SIZ_FULL,
95 static struct physmap_flash_data nor_flash_data = {
97 .parts = nor_flash_partitions,
98 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
101 static struct resource nor_flash_resources[] = {
104 .end = 0x08000000 - 1,
105 .flags = IORESOURCE_MEM,
109 static struct platform_device nor_flash_device = {
110 .name = "physmap-flash",
112 .platform_data = &nor_flash_data,
114 .num_resources = ARRAY_SIZE(nor_flash_resources),
115 .resource = nor_flash_resources,
119 void usb_host_port_power(int port, int power)
121 if (!power) /* only power-on supported for now */
124 /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
125 __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
128 static struct r8a66597_platdata usb_host_data = {
130 .port_power = usb_host_port_power,
133 static struct resource usb_host_resources[] = {
138 .flags = IORESOURCE_MEM,
141 .start = evt2irq(0x0a20), /* USBHS_USHI0 */
142 .flags = IORESOURCE_IRQ,
146 static struct platform_device usb_host_device = {
147 .name = "r8a66597_hcd",
150 .platform_data = &usb_host_data,
152 .coherent_dma_mask = 0xffffffff,
154 .num_resources = ARRAY_SIZE(usb_host_resources),
155 .resource = usb_host_resources,
159 static struct sh_keysc_info keysc_info = {
160 .mode = SH_KEYSC_MODE_5,
164 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F,
165 KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
166 KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R,
167 KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X,
168 KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE,
169 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5,
170 KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
174 static struct resource keysc_resources[] = {
179 .flags = IORESOURCE_MEM,
182 .start = evt2irq(0x0be0), /* KEYSC_KEY */
183 .flags = IORESOURCE_IRQ,
187 static struct platform_device keysc_device = {
189 .id = 0, /* keysc0 clock */
190 .num_resources = ARRAY_SIZE(keysc_resources),
191 .resource = keysc_resources,
193 .platform_data = &keysc_info,
198 static struct resource sdhi0_resources[] = {
203 .flags = IORESOURCE_MEM,
206 .start = evt2irq(0x0e00), /* SDHI0 */
207 .flags = IORESOURCE_IRQ,
211 static struct platform_device sdhi0_device = {
212 .name = "sh_mobile_sdhi",
213 .num_resources = ARRAY_SIZE(sdhi0_resources),
214 .resource = sdhi0_resources,
218 static struct resource sdhi1_resources[] = {
223 .flags = IORESOURCE_MEM,
226 .start = evt2irq(0x0e80), /* SDHI1 */
227 .flags = IORESOURCE_IRQ,
231 static struct platform_device sdhi1_device = {
232 .name = "sh_mobile_sdhi",
233 .num_resources = ARRAY_SIZE(sdhi1_resources),
234 .resource = sdhi1_resources,
238 static struct platform_device *g4evm_devices[] __initdata = {
246 static struct map_desc g4evm_io_desc[] __initdata = {
247 /* create a 1:1 entity map for 0xe6xxxxxx
248 * used by CPGA, INTC and PFC.
251 .virtual = 0xe6000000,
252 .pfn = __phys_to_pfn(0xe6000000),
254 .type = MT_DEVICE_NONSHARED
258 static void __init g4evm_map_io(void)
260 iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
262 /* setup early devices, clocks and console here as well */
263 sh7377_add_early_devices();
264 sh7367_clock_init(); /* use g3 clocks for now */
265 shmobile_setup_console();
268 #define GPIO_SDHID0_D0 0xe60520fc
269 #define GPIO_SDHID0_D1 0xe60520fd
270 #define GPIO_SDHID0_D2 0xe60520fe
271 #define GPIO_SDHID0_D3 0xe60520ff
272 #define GPIO_SDHICMD0 0xe6052100
274 #define GPIO_SDHID1_D0 0xe6052103
275 #define GPIO_SDHID1_D1 0xe6052104
276 #define GPIO_SDHID1_D2 0xe6052105
277 #define GPIO_SDHID1_D3 0xe6052106
278 #define GPIO_SDHICMD1 0xe6052107
283 * gpio_pull_up is quick_hack.
285 * current gpio frame work doesn't have
286 * the method to control only pull up/down/free.
287 * this function should be replaced by correct gpio function
289 static void __init gpio_pull_up(u32 addr)
291 u8 data = __raw_readb(addr);
295 __raw_writeb(data, addr);
298 static void __init g4evm_init(void)
300 sh7377_pinmux_init();
303 gpio_request(GPIO_PORT109, NULL);
304 gpio_direction_output(GPIO_PORT109, 1);
305 gpio_export(GPIO_PORT109, 1);
308 gpio_request(GPIO_PORT110, NULL);
309 gpio_direction_output(GPIO_PORT110, 1);
310 gpio_export(GPIO_PORT110, 1);
313 gpio_request(GPIO_PORT112, NULL);
314 gpio_direction_output(GPIO_PORT112, 1);
315 gpio_export(GPIO_PORT112, 1);
318 gpio_request(GPIO_PORT113, NULL);
319 gpio_direction_output(GPIO_PORT113, 1);
320 gpio_export(GPIO_PORT113, 1);
323 gpio_request(GPIO_FN_VBUS_0, NULL);
324 gpio_request(GPIO_FN_PWEN, NULL);
325 gpio_request(GPIO_FN_OVCN, NULL);
326 gpio_request(GPIO_FN_OVCN2, NULL);
327 gpio_request(GPIO_FN_EXTLP, NULL);
328 gpio_request(GPIO_FN_IDIN, NULL);
330 /* enable clock in SMSTPCR3 */
331 __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
334 __raw_writew(0x0200, 0xe605810a); /* USBCR1 */
335 __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
336 __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
337 __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
340 gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL);
341 gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL);
342 gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL);
343 gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL);
344 gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL);
345 gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL);
346 gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL);
347 gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL);
348 gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL);
349 gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL);
350 gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL);
351 gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
352 gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);
355 gpio_request(GPIO_FN_SDHICLK0, NULL);
356 gpio_request(GPIO_FN_SDHICD0, NULL);
357 gpio_request(GPIO_FN_SDHID0_0, NULL);
358 gpio_request(GPIO_FN_SDHID0_1, NULL);
359 gpio_request(GPIO_FN_SDHID0_2, NULL);
360 gpio_request(GPIO_FN_SDHID0_3, NULL);
361 gpio_request(GPIO_FN_SDHICMD0, NULL);
362 gpio_request(GPIO_FN_SDHIWP0, NULL);
363 gpio_pull_up(GPIO_SDHID0_D0);
364 gpio_pull_up(GPIO_SDHID0_D1);
365 gpio_pull_up(GPIO_SDHID0_D2);
366 gpio_pull_up(GPIO_SDHID0_D3);
367 gpio_pull_up(GPIO_SDHICMD0);
370 gpio_request(GPIO_FN_SDHICLK1, NULL);
371 gpio_request(GPIO_FN_SDHID1_0, NULL);
372 gpio_request(GPIO_FN_SDHID1_1, NULL);
373 gpio_request(GPIO_FN_SDHID1_2, NULL);
374 gpio_request(GPIO_FN_SDHID1_3, NULL);
375 gpio_request(GPIO_FN_SDHICMD1, NULL);
376 gpio_pull_up(GPIO_SDHID1_D0);
377 gpio_pull_up(GPIO_SDHID1_D1);
378 gpio_pull_up(GPIO_SDHID1_D2);
379 gpio_pull_up(GPIO_SDHID1_D3);
380 gpio_pull_up(GPIO_SDHICMD1);
382 sh7377_add_standard_devices();
384 platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
387 MACHINE_START(G4EVM, "g4evm")
388 .phys_io = 0xe6000000,
389 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
390 .map_io = g4evm_map_io,
391 .init_irq = sh7377_init_irq,
392 .init_machine = g4evm_init,
393 .timer = &shmobile_timer,