diff options
Diffstat (limited to 'arch/arm/mach-pxa/mfp-pxa2xx.c')
-rw-r--r-- | arch/arm/mach-pxa/mfp-pxa2xx.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index b0a842887780..ef0426a159d4 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c | |||
@@ -33,6 +33,8 @@ | |||
33 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) | 33 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) |
34 | #define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) | 34 | #define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) |
35 | #define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) | 35 | #define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) |
36 | #define GPSR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18) | ||
37 | #define GPCR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24) | ||
36 | 38 | ||
37 | #define PWER_WE35 (1 << 24) | 39 | #define PWER_WE35 (1 << 24) |
38 | 40 | ||
@@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {} | |||
348 | #ifdef CONFIG_PM | 350 | #ifdef CONFIG_PM |
349 | static unsigned long saved_gafr[2][4]; | 351 | static unsigned long saved_gafr[2][4]; |
350 | static unsigned long saved_gpdr[4]; | 352 | static unsigned long saved_gpdr[4]; |
353 | static unsigned long saved_gplr[4]; | ||
351 | static unsigned long saved_pgsr[4]; | 354 | static unsigned long saved_pgsr[4]; |
352 | 355 | ||
353 | static int pxa2xx_mfp_suspend(void) | 356 | static int pxa2xx_mfp_suspend(void) |
@@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void) | |||
366 | } | 369 | } |
367 | 370 | ||
368 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { | 371 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { |
369 | |||
370 | saved_gafr[0][i] = GAFR_L(i); | 372 | saved_gafr[0][i] = GAFR_L(i); |
371 | saved_gafr[1][i] = GAFR_U(i); | 373 | saved_gafr[1][i] = GAFR_U(i); |
372 | saved_gpdr[i] = GPDR(i * 32); | 374 | saved_gpdr[i] = GPDR(i * 32); |
375 | saved_gplr[i] = GPLR(i * 32); | ||
373 | saved_pgsr[i] = PGSR(i); | 376 | saved_pgsr[i] = PGSR(i); |
374 | 377 | ||
375 | GPDR(i * 32) = gpdr_lpm[i]; | 378 | GPSR(i * 32) = PGSR(i); |
379 | GPCR(i * 32) = ~PGSR(i); | ||
380 | } | ||
381 | |||
382 | /* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */ | ||
383 | for (i = 0; i < pxa_last_gpio; i++) { | ||
384 | if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) || | ||
385 | ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && | ||
386 | (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i)))) | ||
387 | GPDR(i) |= GPIO_bit(i); | ||
388 | else | ||
389 | GPDR(i) &= ~GPIO_bit(i); | ||
376 | } | 390 | } |
391 | |||
377 | return 0; | 392 | return 0; |
378 | } | 393 | } |
379 | 394 | ||
@@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void) | |||
384 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { | 399 | for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { |
385 | GAFR_L(i) = saved_gafr[0][i]; | 400 | GAFR_L(i) = saved_gafr[0][i]; |
386 | GAFR_U(i) = saved_gafr[1][i]; | 401 | GAFR_U(i) = saved_gafr[1][i]; |
402 | GPSR(i * 32) = saved_gplr[i]; | ||
403 | GPCR(i * 32) = ~saved_gplr[i]; | ||
387 | GPDR(i * 32) = saved_gpdr[i]; | 404 | GPDR(i * 32) = saved_gpdr[i]; |
388 | PGSR(i) = saved_pgsr[i]; | 405 | PGSR(i) = saved_pgsr[i]; |
389 | } | 406 | } |