diff options
-rw-r--r-- | arch/arm/mach-omap2/sram242x.S | 4 | ||||
-rw-r--r-- | arch/arm/mach-omap2/sram243x.S | 4 | ||||
-rw-r--r-- | arch/arm/plat-omap/common.c | 69 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/mach/omap24xx.h | 2 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/mach/omap34xx.h | 1 |
5 files changed, 62 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/sram242x.S b/arch/arm/mach-omap2/sram242x.S index af4bd3490227..cbb893042487 100644 --- a/arch/arm/mach-omap2/sram242x.S +++ b/arch/arm/mach-omap2/sram242x.S | |||
@@ -128,7 +128,7 @@ omap242x_sdi_prcm_voltctrl: | |||
128 | prcm_mask_val: | 128 | prcm_mask_val: |
129 | .word 0xFFFF3FFC | 129 | .word 0xFFFF3FFC |
130 | omap242x_sdi_timer_32ksynct_cr: | 130 | omap242x_sdi_timer_32ksynct_cr: |
131 | .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010) | 131 | .word IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010) |
132 | ENTRY(omap242x_sram_ddr_init_sz) | 132 | ENTRY(omap242x_sram_ddr_init_sz) |
133 | .word . - omap242x_sram_ddr_init | 133 | .word . - omap242x_sram_ddr_init |
134 | 134 | ||
@@ -224,7 +224,7 @@ omap242x_srs_prcm_voltctrl: | |||
224 | ddr_prcm_mask_val: | 224 | ddr_prcm_mask_val: |
225 | .word 0xFFFF3FFC | 225 | .word 0xFFFF3FFC |
226 | omap242x_srs_timer_32ksynct: | 226 | omap242x_srs_timer_32ksynct: |
227 | .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010) | 227 | .word IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010) |
228 | 228 | ||
229 | ENTRY(omap242x_sram_reprogram_sdrc_sz) | 229 | ENTRY(omap242x_sram_reprogram_sdrc_sz) |
230 | .word . - omap242x_sram_reprogram_sdrc | 230 | .word . - omap242x_sram_reprogram_sdrc |
diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S index 84363e269e8c..054b0f357aca 100644 --- a/arch/arm/mach-omap2/sram243x.S +++ b/arch/arm/mach-omap2/sram243x.S | |||
@@ -128,7 +128,7 @@ omap243x_sdi_prcm_voltctrl: | |||
128 | prcm_mask_val: | 128 | prcm_mask_val: |
129 | .word 0xFFFF3FFC | 129 | .word 0xFFFF3FFC |
130 | omap243x_sdi_timer_32ksynct_cr: | 130 | omap243x_sdi_timer_32ksynct_cr: |
131 | .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010) | 131 | .word IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010) |
132 | ENTRY(omap243x_sram_ddr_init_sz) | 132 | ENTRY(omap243x_sram_ddr_init_sz) |
133 | .word . - omap243x_sram_ddr_init | 133 | .word . - omap243x_sram_ddr_init |
134 | 134 | ||
@@ -224,7 +224,7 @@ omap243x_srs_prcm_voltctrl: | |||
224 | ddr_prcm_mask_val: | 224 | ddr_prcm_mask_val: |
225 | .word 0xFFFF3FFC | 225 | .word 0xFFFF3FFC |
226 | omap243x_srs_timer_32ksynct: | 226 | omap243x_srs_timer_32ksynct: |
227 | .word IO_ADDRESS(OMAP2_32KSYNCT_BASE + 0x010) | 227 | .word IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010) |
228 | 228 | ||
229 | ENTRY(omap243x_sram_reprogram_sdrc_sz) | 229 | ENTRY(omap243x_sram_reprogram_sdrc_sz) |
230 | .word . - omap243x_sram_reprogram_sdrc | 230 | .word . - omap243x_sram_reprogram_sdrc |
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index 433021f3d7cc..e1add789835f 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c | |||
@@ -175,25 +175,61 @@ console_initcall(omap_add_serial_console); | |||
175 | * but systems won't necessarily want to spend resources that way. | 175 | * but systems won't necessarily want to spend resources that way. |
176 | */ | 176 | */ |
177 | 177 | ||
178 | #if defined(CONFIG_ARCH_OMAP16XX) | 178 | #define OMAP16XX_TIMER_32K_SYNCHRONIZED 0xfffbc410 |
179 | #define TIMER_32K_SYNCHRONIZED 0xfffbc410 | ||
180 | #elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) | ||
181 | #define TIMER_32K_SYNCHRONIZED (OMAP2_32KSYNCT_BASE + 0x10) | ||
182 | #endif | ||
183 | 179 | ||
184 | #ifdef TIMER_32K_SYNCHRONIZED | 180 | #if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) |
185 | 181 | ||
186 | #include <linux/clocksource.h> | 182 | #include <linux/clocksource.h> |
187 | 183 | ||
188 | static cycle_t omap_32k_read(struct clocksource *cs) | 184 | #ifdef CONFIG_ARCH_OMAP16XX |
185 | static cycle_t omap16xx_32k_read(struct clocksource *cs) | ||
186 | { | ||
187 | return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED); | ||
188 | } | ||
189 | #else | ||
190 | #define omap16xx_32k_read NULL | ||
191 | #endif | ||
192 | |||
193 | #ifdef CONFIG_ARCH_OMAP2420 | ||
194 | static cycle_t omap2420_32k_read(struct clocksource *cs) | ||
195 | { | ||
196 | return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10); | ||
197 | } | ||
198 | #else | ||
199 | #define omap2420_32k_read NULL | ||
200 | #endif | ||
201 | |||
202 | #ifdef CONFIG_ARCH_OMAP2430 | ||
203 | static cycle_t omap2430_32k_read(struct clocksource *cs) | ||
204 | { | ||
205 | return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10); | ||
206 | } | ||
207 | #else | ||
208 | #define omap2430_32k_read NULL | ||
209 | #endif | ||
210 | |||
211 | #ifdef CONFIG_ARCH_OMAP34XX | ||
212 | static cycle_t omap34xx_32k_read(struct clocksource *cs) | ||
189 | { | 213 | { |
190 | return omap_readl(TIMER_32K_SYNCHRONIZED); | 214 | return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10); |
215 | } | ||
216 | #else | ||
217 | #define omap34xx_32k_read NULL | ||
218 | #endif | ||
219 | |||
220 | /* | ||
221 | * Kernel assumes that sched_clock can be called early but may not have | ||
222 | * things ready yet. | ||
223 | */ | ||
224 | static cycle_t omap_32k_read_dummy(struct clocksource *cs) | ||
225 | { | ||
226 | return 0; | ||
191 | } | 227 | } |
192 | 228 | ||
193 | static struct clocksource clocksource_32k = { | 229 | static struct clocksource clocksource_32k = { |
194 | .name = "32k_counter", | 230 | .name = "32k_counter", |
195 | .rating = 250, | 231 | .rating = 250, |
196 | .read = omap_32k_read, | 232 | .read = omap_32k_read_dummy, |
197 | .mask = CLOCKSOURCE_MASK(32), | 233 | .mask = CLOCKSOURCE_MASK(32), |
198 | .shift = 10, | 234 | .shift = 10, |
199 | .flags = CLOCK_SOURCE_IS_CONTINUOUS, | 235 | .flags = CLOCK_SOURCE_IS_CONTINUOUS, |
@@ -207,7 +243,7 @@ unsigned long long sched_clock(void) | |||
207 | { | 243 | { |
208 | unsigned long long ret; | 244 | unsigned long long ret; |
209 | 245 | ||
210 | ret = (unsigned long long)omap_32k_read(&clocksource_32k); | 246 | ret = (unsigned long long)clocksource_32k.read(&clocksource_32k); |
211 | ret = (ret * clocksource_32k.mult_orig) >> clocksource_32k.shift; | 247 | ret = (ret * clocksource_32k.mult_orig) >> clocksource_32k.shift; |
212 | return ret; | 248 | return ret; |
213 | } | 249 | } |
@@ -220,6 +256,17 @@ static int __init omap_init_clocksource_32k(void) | |||
220 | if (cpu_is_omap16xx() || cpu_class_is_omap2()) { | 256 | if (cpu_is_omap16xx() || cpu_class_is_omap2()) { |
221 | struct clk *sync_32k_ick; | 257 | struct clk *sync_32k_ick; |
222 | 258 | ||
259 | if (cpu_is_omap16xx()) | ||
260 | clocksource_32k.read = omap16xx_32k_read; | ||
261 | else if (cpu_is_omap2420()) | ||
262 | clocksource_32k.read = omap2420_32k_read; | ||
263 | else if (cpu_is_omap2430()) | ||
264 | clocksource_32k.read = omap2430_32k_read; | ||
265 | else if (cpu_is_omap34xx()) | ||
266 | clocksource_32k.read = omap34xx_32k_read; | ||
267 | else | ||
268 | return -ENODEV; | ||
269 | |||
223 | sync_32k_ick = clk_get(NULL, "omap_32ksync_ick"); | 270 | sync_32k_ick = clk_get(NULL, "omap_32ksync_ick"); |
224 | if (sync_32k_ick) | 271 | if (sync_32k_ick) |
225 | clk_enable(sync_32k_ick); | 272 | clk_enable(sync_32k_ick); |
@@ -234,7 +281,7 @@ static int __init omap_init_clocksource_32k(void) | |||
234 | } | 281 | } |
235 | arch_initcall(omap_init_clocksource_32k); | 282 | arch_initcall(omap_init_clocksource_32k); |
236 | 283 | ||
237 | #endif /* TIMER_32K_SYNCHRONIZED */ | 284 | #endif /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */ |
238 | 285 | ||
239 | /* Global address base setup code */ | 286 | /* Global address base setup code */ |
240 | 287 | ||
diff --git a/arch/arm/plat-omap/include/mach/omap24xx.h b/arch/arm/plat-omap/include/mach/omap24xx.h index 24335d4932f5..4202cf457e22 100644 --- a/arch/arm/plat-omap/include/mach/omap24xx.h +++ b/arch/arm/plat-omap/include/mach/omap24xx.h | |||
@@ -87,7 +87,6 @@ | |||
87 | 87 | ||
88 | #if defined(CONFIG_ARCH_OMAP2420) | 88 | #if defined(CONFIG_ARCH_OMAP2420) |
89 | 89 | ||
90 | #define OMAP2_32KSYNCT_BASE OMAP2420_32KSYNCT_BASE | ||
91 | #define OMAP2_PRCM_BASE OMAP2420_PRCM_BASE | 90 | #define OMAP2_PRCM_BASE OMAP2420_PRCM_BASE |
92 | #define OMAP2_CM_BASE OMAP2420_CM_BASE | 91 | #define OMAP2_CM_BASE OMAP2420_CM_BASE |
93 | #define OMAP2_PRM_BASE OMAP2420_PRM_BASE | 92 | #define OMAP2_PRM_BASE OMAP2420_PRM_BASE |
@@ -95,7 +94,6 @@ | |||
95 | 94 | ||
96 | #elif defined(CONFIG_ARCH_OMAP2430) | 95 | #elif defined(CONFIG_ARCH_OMAP2430) |
97 | 96 | ||
98 | #define OMAP2_32KSYNCT_BASE OMAP2430_32KSYNCT_BASE | ||
99 | #define OMAP2_PRCM_BASE OMAP2430_PRCM_BASE | 97 | #define OMAP2_PRCM_BASE OMAP2430_PRCM_BASE |
100 | #define OMAP2_CM_BASE OMAP2430_CM_BASE | 98 | #define OMAP2_CM_BASE OMAP2430_CM_BASE |
101 | #define OMAP2_PRM_BASE OMAP2430_PRM_BASE | 99 | #define OMAP2_PRM_BASE OMAP2430_PRM_BASE |
diff --git a/arch/arm/plat-omap/include/mach/omap34xx.h b/arch/arm/plat-omap/include/mach/omap34xx.h index ab640151d3ec..581d9103c35d 100644 --- a/arch/arm/plat-omap/include/mach/omap34xx.h +++ b/arch/arm/plat-omap/include/mach/omap34xx.h | |||
@@ -85,7 +85,6 @@ | |||
85 | 85 | ||
86 | #if defined(CONFIG_ARCH_OMAP3430) | 86 | #if defined(CONFIG_ARCH_OMAP3430) |
87 | 87 | ||
88 | #define OMAP2_32KSYNCT_BASE OMAP3430_32KSYNCT_BASE | ||
89 | #define OMAP2_CM_BASE OMAP3430_CM_BASE | 88 | #define OMAP2_CM_BASE OMAP3430_CM_BASE |
90 | #define OMAP2_PRM_BASE OMAP3430_PRM_BASE | 89 | #define OMAP2_PRM_BASE OMAP3430_PRM_BASE |
91 | #define OMAP2_VA_IC_BASE IO_ADDRESS(OMAP34XX_IC_BASE) | 90 | #define OMAP2_VA_IC_BASE IO_ADDRESS(OMAP34XX_IC_BASE) |