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-rw-r--r--arch/arm/mach-omap1/devices.c221
1 files changed, 3 insertions, 218 deletions
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 3c5d901efeaa..ecbc47514adc 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -25,56 +25,7 @@
25#include <asm/arch/mux.h> 25#include <asm/arch/mux.h>
26#include <asm/arch/gpio.h> 26#include <asm/arch/gpio.h>
27 27
28 28extern void omap_nop_release(struct device *dev);
29static void omap_nop_release(struct device *dev)
30{
31 /* Nothing */
32}
33
34/*-------------------------------------------------------------------------*/
35
36#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
37
38#define OMAP_I2C_BASE 0xfffb3800
39
40static struct resource i2c_resources[] = {
41 {
42 .start = OMAP_I2C_BASE,
43 .end = OMAP_I2C_BASE + 0x3f,
44 .flags = IORESOURCE_MEM,
45 },
46 {
47 .start = INT_I2C,
48 .flags = IORESOURCE_IRQ,
49 },
50};
51
52/* DMA not used; works around erratum writing to non-empty i2c fifo */
53
54static struct platform_device omap_i2c_device = {
55 .name = "i2c_omap",
56 .id = -1,
57 .dev = {
58 .release = omap_nop_release,
59 },
60 .num_resources = ARRAY_SIZE(i2c_resources),
61 .resource = i2c_resources,
62};
63
64static void omap_init_i2c(void)
65{
66 /* FIXME define and use a boot tag, in case of boards that
67 * either don't wire up I2C, or chips that mux it differently...
68 * it can include clocking and address info, maybe more.
69 */
70 omap_cfg_reg(I2C_SCL);
71 omap_cfg_reg(I2C_SDA);
72
73 (void) platform_device_register(&omap_i2c_device);
74}
75#else
76static inline void omap_init_i2c(void) {}
77#endif
78 29
79/*-------------------------------------------------------------------------*/ 30/*-------------------------------------------------------------------------*/
80 31
@@ -110,137 +61,6 @@ static inline void omap_init_irda(void) {}
110 61
111/*-------------------------------------------------------------------------*/ 62/*-------------------------------------------------------------------------*/
112 63
113#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
114
115#define OMAP_MMC1_BASE 0xfffb7800
116#define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
117
118static struct omap_mmc_conf mmc1_conf;
119
120static u64 mmc1_dmamask = 0xffffffff;
121
122static struct resource mmc1_resources[] = {
123 {
124 .start = IO_ADDRESS(OMAP_MMC1_BASE),
125 .end = IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,
126 .flags = IORESOURCE_MEM,
127 },
128 {
129 .start = INT_MMC,
130 .flags = IORESOURCE_IRQ,
131 },
132};
133
134static struct platform_device mmc_omap_device1 = {
135 .name = "mmci-omap",
136 .id = 1,
137 .dev = {
138 .release = omap_nop_release,
139 .dma_mask = &mmc1_dmamask,
140 .platform_data = &mmc1_conf,
141 },
142 .num_resources = ARRAY_SIZE(mmc1_resources),
143 .resource = mmc1_resources,
144};
145
146#ifdef CONFIG_ARCH_OMAP16XX
147
148static struct omap_mmc_conf mmc2_conf;
149
150static u64 mmc2_dmamask = 0xffffffff;
151
152static struct resource mmc2_resources[] = {
153 {
154 .start = IO_ADDRESS(OMAP_MMC2_BASE),
155 .end = IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,
156 .flags = IORESOURCE_MEM,
157 },
158 {
159 .start = INT_1610_MMC2,
160 .flags = IORESOURCE_IRQ,
161 },
162};
163
164static struct platform_device mmc_omap_device2 = {
165 .name = "mmci-omap",
166 .id = 2,
167 .dev = {
168 .release = omap_nop_release,
169 .dma_mask = &mmc2_dmamask,
170 .platform_data = &mmc2_conf,
171 },
172 .num_resources = ARRAY_SIZE(mmc2_resources),
173 .resource = mmc2_resources,
174};
175#endif
176
177static void __init omap_init_mmc(void)
178{
179 const struct omap_mmc_config *mmc_conf;
180 const struct omap_mmc_conf *mmc;
181
182 /* NOTE: assumes MMC was never (wrongly) enabled */
183 mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
184 if (!mmc_conf)
185 return;
186
187 /* block 1 is always available and has just one pinout option */
188 mmc = &mmc_conf->mmc[0];
189 if (mmc->enabled) {
190 omap_cfg_reg(MMC_CMD);
191 omap_cfg_reg(MMC_CLK);
192 omap_cfg_reg(MMC_DAT0);
193 if (cpu_is_omap1710()) {
194 omap_cfg_reg(M15_1710_MMC_CLKI);
195 omap_cfg_reg(P19_1710_MMC_CMDDIR);
196 omap_cfg_reg(P20_1710_MMC_DATDIR0);
197 }
198 if (mmc->wire4) {
199 omap_cfg_reg(MMC_DAT1);
200 /* NOTE: DAT2 can be on W10 (here) or M15 */
201 if (!mmc->nomux)
202 omap_cfg_reg(MMC_DAT2);
203 omap_cfg_reg(MMC_DAT3);
204 }
205 mmc1_conf = *mmc;
206 (void) platform_device_register(&mmc_omap_device1);
207 }
208
209#ifdef CONFIG_ARCH_OMAP16XX
210 /* block 2 is on newer chips, and has many pinout options */
211 mmc = &mmc_conf->mmc[1];
212 if (mmc->enabled) {
213 if (!mmc->nomux) {
214 omap_cfg_reg(Y8_1610_MMC2_CMD);
215 omap_cfg_reg(Y10_1610_MMC2_CLK);
216 omap_cfg_reg(R18_1610_MMC2_CLKIN);
217 omap_cfg_reg(W8_1610_MMC2_DAT0);
218 if (mmc->wire4) {
219 omap_cfg_reg(V8_1610_MMC2_DAT1);
220 omap_cfg_reg(W15_1610_MMC2_DAT2);
221 omap_cfg_reg(R10_1610_MMC2_DAT3);
222 }
223
224 /* These are needed for the level shifter */
225 omap_cfg_reg(V9_1610_MMC2_CMDDIR);
226 omap_cfg_reg(V5_1610_MMC2_DATDIR0);
227 omap_cfg_reg(W19_1610_MMC2_DATDIR1);
228 }
229
230 /* Feedback clock must be set on OMAP-1710 MMC2 */
231 if (cpu_is_omap1710())
232 omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
233 MOD_CONF_CTRL_1);
234 mmc2_conf = *mmc;
235 (void) platform_device_register(&mmc_omap_device2);
236 }
237#endif
238 return;
239}
240#else
241static inline void omap_init_mmc(void) {}
242#endif
243
244#if defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC) 64#if defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC)
245 65
246#define OMAP_RTC_BASE 0xfffb4800 66#define OMAP_RTC_BASE 0xfffb4800
@@ -279,38 +99,6 @@ static void omap_init_rtc(void)
279static inline void omap_init_rtc(void) {} 99static inline void omap_init_rtc(void) {}
280#endif 100#endif
281 101
282/*-------------------------------------------------------------------------*/
283
284#if defined(CONFIG_OMAP16XX_WATCHDOG) || defined(CONFIG_OMAP16XX_WATCHDOG_MODULE)
285
286#define OMAP_WDT_BASE 0xfffeb000
287
288static struct resource wdt_resources[] = {
289 {
290 .start = OMAP_WDT_BASE,
291 .end = OMAP_WDT_BASE + 0x4f,
292 .flags = IORESOURCE_MEM,
293 },
294};
295
296static struct platform_device omap_wdt_device = {
297 .name = "omap1610_wdt",
298 .id = -1,
299 .dev = {
300 .release = omap_nop_release,
301 },
302 .num_resources = ARRAY_SIZE(wdt_resources),
303 .resource = wdt_resources,
304};
305
306static void omap_init_wdt(void)
307{
308 (void) platform_device_register(&omap_wdt_device);
309}
310#else
311static inline void omap_init_wdt(void) {}
312#endif
313
314 102
315/*-------------------------------------------------------------------------*/ 103/*-------------------------------------------------------------------------*/
316 104
@@ -334,18 +122,15 @@ static inline void omap_init_wdt(void) {}
334 * may be handled by the boot loader, and drivers should expect it will 122 * may be handled by the boot loader, and drivers should expect it will
335 * normally have been done by the time they're probed. 123 * normally have been done by the time they're probed.
336 */ 124 */
337static int __init omap_init_devices(void) 125static int __init omap1_init_devices(void)
338{ 126{
339 /* please keep these calls, and their implementations above, 127 /* please keep these calls, and their implementations above,
340 * in alphabetical order so they're easier to sort through. 128 * in alphabetical order so they're easier to sort through.
341 */ 129 */
342 omap_init_i2c();
343 omap_init_irda(); 130 omap_init_irda();
344 omap_init_mmc();
345 omap_init_rtc(); 131 omap_init_rtc();
346 omap_init_wdt();
347 132
348 return 0; 133 return 0;
349} 134}
350arch_initcall(omap_init_devices); 135arch_initcall(omap1_init_devices);
351 136
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 12:34:35 -0500