1 files changed, 32 insertions, 12 deletions

diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index dcd81f8d0833..ddd05bf78e02 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -111,21 +111,27 @@ static const struct clkops clk_pxa25x_lcd_ops = {
  * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
  * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly)
  */
+static struct clk pxa25x_hwuart_clk =
+	INIT_CKEN("UARTCLK", HWUART, 14745600, 1, &pxa_device_hwuart.dev)
+;
+
 static struct clk pxa25x_clks[] = {
 	INIT_CK("LCDCLK", LCD, &clk_pxa25x_lcd_ops, &pxa_device_fb.dev),
 	INIT_CKEN("UARTCLK", FFUART, 14745600, 1, &pxa_device_ffuart.dev),
 	INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
-	INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
 	INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
 	INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa_device_udc.dev),
 	INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
 	INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),
+
+	INIT_CKEN("SSPCLK",  SSP, 3686400, 0, &pxa25x_device_ssp.dev),
+	INIT_CKEN("SSPCLK", NSSP, 3686400, 0, &pxa25x_device_nssp.dev),
+	INIT_CKEN("SSPCLK", ASSP, 3686400, 0, &pxa25x_device_assp.dev),
+
 	/*
 	INIT_CKEN("PWMCLK",  PWM0, 3686400,  0, NULL),
 	INIT_CKEN("PWMCLK",  PWM0, 3686400,  0, NULL),
-	INIT_CKEN("SSPCLK",  SSP,  3686400,  0, NULL),
 	INIT_CKEN("I2SCLK",  I2S,  14745600, 0, NULL),
-	INIT_CKEN("NSSPCLK", NSSP, 3686400,  0, NULL),
 	*/
 	INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL),
 };
@@ -178,13 +184,19 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
 	SAVE(GAFR1_L); SAVE(GAFR1_U);
 	SAVE(GAFR2_L); SAVE(GAFR2_U);
 
-	SAVE(ICMR);
+	SAVE(ICMR); ICMR = 0;
 	SAVE(CKEN);
 	SAVE(PSTR);
+
+	/* Clear GPIO transition detect bits */
+	GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2;
 }
 
 static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
 {
+	/* ensure not to come back here if it wasn't intended */
+	PSPR = 0;
+
 	/* restore registers */
 	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
 	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
@@ -195,15 +207,18 @@ static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
 	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
 	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
+	PSSR = PSSR_RDH | PSSR_PH;
+
 	RESTORE(CKEN);
+
+	ICLR = 0;
+	ICCR = 1;
 	RESTORE(ICMR);
 	RESTORE(PSTR);
 }
 
 static void pxa25x_cpu_pm_enter(suspend_state_t state)
 {
-	CKEN = 0;
-
 	switch (state) {
 	case PM_SUSPEND_MEM:
 		/* set resume return address */
@@ -225,6 +240,8 @@ static void __init pxa25x_init_pm(void)
 {
 	pxa_cpu_pm_fns = &pxa25x_cpu_pm_fns;
 }
+#else
+static inline void pxa25x_init_pm(void) {}
 #endif
 
 /* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm
@@ -276,30 +293,33 @@ void __init pxa25x_init_irq(void)
 }
 
 static struct platform_device *pxa25x_devices[] __initdata = {
-	&pxa_device_mci,
 	&pxa_device_udc,
-	&pxa_device_fb,
 	&pxa_device_ffuart,
 	&pxa_device_btuart,
 	&pxa_device_stuart,
-	&pxa_device_i2c,
 	&pxa_device_i2s,
-	&pxa_device_ficp,
 	&pxa_device_rtc,
+	&pxa25x_device_ssp,
+	&pxa25x_device_nssp,
+	&pxa25x_device_assp,
 };
 
 static int __init pxa25x_init(void)
 {
 	int ret = 0;
 
+	/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
+	if (cpu_is_pxa25x())
+		clks_register(&pxa25x_hwuart_clk, 1);
+
 	if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
 		clks_register(pxa25x_clks, ARRAY_SIZE(pxa25x_clks));
 
 		if ((ret = pxa_init_dma(16)))
 			return ret;
-#ifdef CONFIG_PM
+
 		pxa25x_init_pm();
-#endif
+
 		ret = platform_add_devices(pxa25x_devices,
 					   ARRAY_SIZE(pxa25x_devices));
 	}