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Diffstat (limited to 'arch/arm/mach-shmobile/board-g4evm.c')
-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c153
1 files changed, 143 insertions, 10 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
index 10673a90be52..2c3ff6f7f34c 100644
--- a/arch/arm/mach-shmobile/board-g4evm.c
+++ b/arch/arm/mach-shmobile/board-g4evm.c
@@ -30,12 +30,39 @@
30#include <linux/io.h> 30#include <linux/io.h>
31#include <linux/input.h> 31#include <linux/input.h>
32#include <linux/input/sh_keysc.h> 32#include <linux/input/sh_keysc.h>
33#include <linux/mfd/sh_mobile_sdhi.h>
33#include <linux/gpio.h> 34#include <linux/gpio.h>
34#include <mach/sh7377.h> 35#include <mach/sh7377.h>
35#include <mach/common.h> 36#include <mach/common.h>
36#include <asm/mach-types.h> 37#include <asm/mach-types.h>
37#include <asm/mach/arch.h> 38#include <asm/mach/arch.h>
38#include <asm/mach/map.h> 39#include <asm/mach/map.h>
40#include <asm/mach/time.h>
41
42/*
43 * SDHI
44 *
45 * SDHI0 : card detection is possible
46 * SDHI1 : card detection is impossible
47 *
48 * [G4-MAIN-BOARD]
49 * JP74 : short # DBG_2V8A for SDHI0
50 * JP75 : NC # DBG_3V3A for SDHI0
51 * JP76 : NC # DBG_3V3A_SD for SDHI0
52 * JP77 : NC # 3V3A_SDIO for SDHI1
53 * JP78 : short # DBG_2V8A for SDHI1
54 * JP79 : NC # DBG_3V3A for SDHI1
55 * JP80 : NC # DBG_3V3A_SD for SDHI1
56 *
57 * [G4-CORE-BOARD]
58 * S32 : all off # to dissever from G3-CORE_DBG board
59 * S33 : all off # to dissever from G3-CORE_DBG board
60 *
61 * [G3-CORE_DBG-BOARD]
62 * S1 : all off # to dissever from G3-CORE_DBG board
63 * S3 : all off # to dissever from G3-CORE_DBG board
64 * S4 : all off # to dissever from G3-CORE_DBG board
65 */
39 66
40static struct mtd_partition nor_flash_partitions[] = { 67static struct mtd_partition nor_flash_partitions[] = {
41 { 68 {
@@ -90,7 +117,7 @@ static struct platform_device nor_flash_device = {
90}; 117};
91 118
92/* USBHS */ 119/* USBHS */
93void usb_host_port_power(int port, int power) 120static void usb_host_port_power(int port, int power)
94{ 121{
95 if (!power) /* only power-on supported for now */ 122 if (!power) /* only power-on supported for now */
96 return; 123 return;
@@ -112,8 +139,7 @@ static struct resource usb_host_resources[] = {
112 .flags = IORESOURCE_MEM, 139 .flags = IORESOURCE_MEM,
113 }, 140 },
114 [1] = { 141 [1] = {
115 .start = 65, 142 .start = evt2irq(0x0a20), /* USBHS_USHI0 */
116 .end = 65,
117 .flags = IORESOURCE_IRQ, 143 .flags = IORESOURCE_IRQ,
118 }, 144 },
119}; 145};
@@ -154,7 +180,7 @@ static struct resource keysc_resources[] = {
154 .flags = IORESOURCE_MEM, 180 .flags = IORESOURCE_MEM,
155 }, 181 },
156 [1] = { 182 [1] = {
157 .start = 79, 183 .start = evt2irq(0x0be0), /* KEYSC_KEY */
158 .flags = IORESOURCE_IRQ, 184 .flags = IORESOURCE_IRQ,
159 }, 185 },
160}; 186};
@@ -169,10 +195,53 @@ static struct platform_device keysc_device = {
169 }, 195 },
170}; 196};
171 197
198/* SDHI */
199static struct resource sdhi0_resources[] = {
200 [0] = {
201 .name = "SDHI0",
202 .start = 0xe6d50000,
203 .end = 0xe6d501ff,
204 .flags = IORESOURCE_MEM,
205 },
206 [1] = {
207 .start = evt2irq(0x0e00), /* SDHI0 */
208 .flags = IORESOURCE_IRQ,
209 },
210};
211
212static struct platform_device sdhi0_device = {
213 .name = "sh_mobile_sdhi",
214 .num_resources = ARRAY_SIZE(sdhi0_resources),
215 .resource = sdhi0_resources,
216 .id = 0,
217};
218
219static struct resource sdhi1_resources[] = {
220 [0] = {
221 .name = "SDHI1",
222 .start = 0xe6d60000,
223 .end = 0xe6d601ff,
224 .flags = IORESOURCE_MEM,
225 },
226 [1] = {
227 .start = evt2irq(0x0e80), /* SDHI1 */
228 .flags = IORESOURCE_IRQ,
229 },
230};
231
232static struct platform_device sdhi1_device = {
233 .name = "sh_mobile_sdhi",
234 .num_resources = ARRAY_SIZE(sdhi1_resources),
235 .resource = sdhi1_resources,
236 .id = 1,
237};
238
172static struct platform_device *g4evm_devices[] __initdata = { 239static struct platform_device *g4evm_devices[] __initdata = {
173 &nor_flash_device, 240 &nor_flash_device,
174 &usb_host_device, 241 &usb_host_device,
175 &keysc_device, 242 &keysc_device,
243 &sdhi0_device,
244 &sdhi1_device,
176}; 245};
177 246
178static struct map_desc g4evm_io_desc[] __initdata = { 247static struct map_desc g4evm_io_desc[] __initdata = {
@@ -191,12 +260,41 @@ static void __init g4evm_map_io(void)
191{ 260{
192 iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); 261 iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
193 262
194 /* setup early devices, clocks and console here as well */ 263 /* setup early devices and console here as well */
195 sh7377_add_early_devices(); 264 sh7377_add_early_devices();
196 sh7367_clock_init(); /* use g3 clocks for now */
197 shmobile_setup_console(); 265 shmobile_setup_console();
198} 266}
199 267
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
273
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
279
280/*
281 * FIXME !!
282 *
283 * gpio_pull_up is quick_hack.
284 *
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
288 */
289static void __init gpio_pull_up(u32 addr)
290{
291 u8 data = __raw_readb(addr);
292
293 data &= 0x0F;
294 data |= 0xC0;
295 __raw_writeb(data, addr);
296}
297
200static void __init g4evm_init(void) 298static void __init g4evm_init(void)
201{ 299{
202 sh7377_pinmux_init(); 300 sh7377_pinmux_init();
@@ -229,9 +327,6 @@ static void __init g4evm_init(void)
229 gpio_request(GPIO_FN_EXTLP, NULL); 327 gpio_request(GPIO_FN_EXTLP, NULL);
230 gpio_request(GPIO_FN_IDIN, NULL); 328 gpio_request(GPIO_FN_IDIN, NULL);
231 329
232 /* enable clock in SMSTPCR3 */
233 __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
234
235 /* setup USB phy */ 330 /* setup USB phy */
236 __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ 331 __raw_writew(0x0200, 0xe605810a); /* USBCR1 */
237 __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ 332 __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
@@ -253,16 +348,54 @@ static void __init g4evm_init(void)
253 gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL); 348 gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
254 gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL); 349 gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);
255 350
351 /* SDHI0 */
352 gpio_request(GPIO_FN_SDHICLK0, NULL);
353 gpio_request(GPIO_FN_SDHICD0, NULL);
354 gpio_request(GPIO_FN_SDHID0_0, NULL);
355 gpio_request(GPIO_FN_SDHID0_1, NULL);
356 gpio_request(GPIO_FN_SDHID0_2, NULL);
357 gpio_request(GPIO_FN_SDHID0_3, NULL);
358 gpio_request(GPIO_FN_SDHICMD0, NULL);
359 gpio_request(GPIO_FN_SDHIWP0, NULL);
360 gpio_pull_up(GPIO_SDHID0_D0);
361 gpio_pull_up(GPIO_SDHID0_D1);
362 gpio_pull_up(GPIO_SDHID0_D2);
363 gpio_pull_up(GPIO_SDHID0_D3);
364 gpio_pull_up(GPIO_SDHICMD0);
365
366 /* SDHI1 */
367 gpio_request(GPIO_FN_SDHICLK1, NULL);
368 gpio_request(GPIO_FN_SDHID1_0, NULL);
369 gpio_request(GPIO_FN_SDHID1_1, NULL);
370 gpio_request(GPIO_FN_SDHID1_2, NULL);
371 gpio_request(GPIO_FN_SDHID1_3, NULL);
372 gpio_request(GPIO_FN_SDHICMD1, NULL);
373 gpio_pull_up(GPIO_SDHID1_D0);
374 gpio_pull_up(GPIO_SDHID1_D1);
375 gpio_pull_up(GPIO_SDHID1_D2);
376 gpio_pull_up(GPIO_SDHID1_D3);
377 gpio_pull_up(GPIO_SDHICMD1);
378
256 sh7377_add_standard_devices(); 379 sh7377_add_standard_devices();
257 380
258 platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); 381 platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
259} 382}
260 383
384static void __init g4evm_timer_init(void)
385{
386 sh7377_clock_init();
387 shmobile_timer.init();
388}
389
390static struct sys_timer g4evm_timer = {
391 .init = g4evm_timer_init,
392};
393
261MACHINE_START(G4EVM, "g4evm") 394MACHINE_START(G4EVM, "g4evm")
262 .phys_io = 0xe6000000, 395 .phys_io = 0xe6000000,
263 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, 396 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
264 .map_io = g4evm_map_io, 397 .map_io = g4evm_map_io,
265 .init_irq = sh7377_init_irq, 398 .init_irq = sh7377_init_irq,
266 .init_machine = g4evm_init, 399 .init_machine = g4evm_init,
267 .timer = &shmobile_timer, 400 .timer = &g4evm_timer,
268MACHINE_END 401MACHINE_END