diff options
Diffstat (limited to 'arch/arm/mach-pxa/pxa3xx.c')
-rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 15685d2b8f8c..03cbc38103ed 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c | |||
@@ -22,12 +22,13 @@ | |||
22 | #include <linux/io.h> | 22 | #include <linux/io.h> |
23 | #include <linux/sysdev.h> | 23 | #include <linux/sysdev.h> |
24 | 24 | ||
25 | #include <asm/hardware.h> | 25 | #include <mach/hardware.h> |
26 | #include <asm/arch/pxa3xx-regs.h> | 26 | #include <mach/pxa3xx-regs.h> |
27 | #include <asm/arch/ohci.h> | 27 | #include <mach/reset.h> |
28 | #include <asm/arch/pm.h> | 28 | #include <mach/ohci.h> |
29 | #include <asm/arch/dma.h> | 29 | #include <mach/pm.h> |
30 | #include <asm/arch/ssp.h> | 30 | #include <mach/dma.h> |
31 | #include <mach/ssp.h> | ||
31 | 32 | ||
32 | #include "generic.h" | 33 | #include "generic.h" |
33 | #include "devices.h" | 34 | #include "devices.h" |
@@ -109,6 +110,12 @@ unsigned int pxa3xx_get_memclk_frequency_10khz(void) | |||
109 | return (clk / 10000); | 110 | return (clk / 10000); |
110 | } | 111 | } |
111 | 112 | ||
113 | void pxa3xx_clear_reset_status(unsigned int mask) | ||
114 | { | ||
115 | /* RESET_STATUS_* has a 1:1 mapping with ARSR */ | ||
116 | ARSR = mask; | ||
117 | } | ||
118 | |||
112 | /* | 119 | /* |
113 | * Return the current AC97 clock frequency. | 120 | * Return the current AC97 clock frequency. |
114 | */ | 121 | */ |
@@ -144,7 +151,7 @@ static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk) | |||
144 | return hsio_clk; | 151 | return hsio_clk; |
145 | } | 152 | } |
146 | 153 | ||
147 | static void clk_pxa3xx_cken_enable(struct clk *clk) | 154 | void clk_pxa3xx_cken_enable(struct clk *clk) |
148 | { | 155 | { |
149 | unsigned long mask = 1ul << (clk->cken & 0x1f); | 156 | unsigned long mask = 1ul << (clk->cken & 0x1f); |
150 | 157 | ||
@@ -154,7 +161,7 @@ static void clk_pxa3xx_cken_enable(struct clk *clk) | |||
154 | CKENB |= mask; | 161 | CKENB |= mask; |
155 | } | 162 | } |
156 | 163 | ||
157 | static void clk_pxa3xx_cken_disable(struct clk *clk) | 164 | void clk_pxa3xx_cken_disable(struct clk *clk) |
158 | { | 165 | { |
159 | unsigned long mask = 1ul << (clk->cken & 0x1f); | 166 | unsigned long mask = 1ul << (clk->cken & 0x1f); |
160 | 167 | ||
@@ -164,7 +171,7 @@ static void clk_pxa3xx_cken_disable(struct clk *clk) | |||
164 | CKENB &= ~mask; | 171 | CKENB &= ~mask; |
165 | } | 172 | } |
166 | 173 | ||
167 | static const struct clkops clk_pxa3xx_cken_ops = { | 174 | const struct clkops clk_pxa3xx_cken_ops = { |
168 | .enable = clk_pxa3xx_cken_enable, | 175 | .enable = clk_pxa3xx_cken_enable, |
169 | .disable = clk_pxa3xx_cken_disable, | 176 | .disable = clk_pxa3xx_cken_disable, |
170 | }; | 177 | }; |
@@ -196,24 +203,6 @@ static const struct clkops clk_pout_ops = { | |||
196 | .disable = clk_pout_disable, | 203 | .disable = clk_pout_disable, |
197 | }; | 204 | }; |
198 | 205 | ||
199 | #define PXA3xx_CKEN(_name, _cken, _rate, _delay, _dev) \ | ||
200 | { \ | ||
201 | .name = _name, \ | ||
202 | .dev = _dev, \ | ||
203 | .ops = &clk_pxa3xx_cken_ops, \ | ||
204 | .rate = _rate, \ | ||
205 | .cken = CKEN_##_cken, \ | ||
206 | .delay = _delay, \ | ||
207 | } | ||
208 | |||
209 | #define PXA3xx_CK(_name, _cken, _ops, _dev) \ | ||
210 | { \ | ||
211 | .name = _name, \ | ||
212 | .dev = _dev, \ | ||
213 | .ops = _ops, \ | ||
214 | .cken = CKEN_##_cken, \ | ||
215 | } | ||
216 | |||
217 | static struct clk pxa3xx_clks[] = { | 206 | static struct clk pxa3xx_clks[] = { |
218 | { | 207 | { |
219 | .name = "CLK_POUT", | 208 | .name = "CLK_POUT", |
@@ -244,7 +233,6 @@ static struct clk pxa3xx_clks[] = { | |||
244 | 233 | ||
245 | PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev), | 234 | PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev), |
246 | PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev), | 235 | PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev), |
247 | PXA3xx_CKEN("MMCCLK", MMC3, 19500000, 0, &pxa3xx_device_mci3.dev), | ||
248 | }; | 236 | }; |
249 | 237 | ||
250 | #ifdef CONFIG_PM | 238 | #ifdef CONFIG_PM |
@@ -551,6 +539,9 @@ static int __init pxa3xx_init(void) | |||
551 | int i, ret = 0; | 539 | int i, ret = 0; |
552 | 540 | ||
553 | if (cpu_is_pxa3xx()) { | 541 | if (cpu_is_pxa3xx()) { |
542 | |||
543 | reset_status = ARSR; | ||
544 | |||
554 | /* | 545 | /* |
555 | * clear RDH bit every time after reset | 546 | * clear RDH bit every time after reset |
556 | * | 547 | * |