Merge branch 'devel-stable' into devel

Conflicts:
	arch/arm/mach-pxa/clock.c
	arch/arm/mach-pxa/clock.h

79 files changed, 1921 insertions, 1101 deletions

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index c98d81ff250..2fc9f94cdd2 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -50,6 +50,10 @@ config MACH_SAAR
 	select PXA3xx
 	select CPU_PXA930
 
+config MACH_SAARB
+	bool "PXA955 Handheld Platform (aka SAARB)"
+	select CPU_PXA955
+
 comment "Third Party Dev Platforms (sorted by vendor name)"
 
 config ARCH_PXA_IDP
@@ -233,10 +237,6 @@ config MACH_COLIBRI
 	bool "Toradex Colibri PXA270"
 	select PXA27x
 
-config MACH_COLIBRI_PXA270_EVALBOARD
-	bool "Toradex Colibri Evaluation Carrier Board support (PXA270)"
-	depends on MACH_COLIBRI
-
 config MACH_COLIBRI_PXA270_INCOME
 	bool "Income s.r.o. PXA270 SBC"
 	depends on MACH_COLIBRI
@@ -254,6 +254,10 @@ config MACH_COLIBRI320
 	select PXA3xx
 	select CPU_PXA320
 
+config MACH_COLIBRI_EVALBOARD
+	bool "Toradex Colibri Evaluation Carrier Board support"
+	depends on MACH_COLIBRI || MACH_COLIBRI300 || MACH_COLIBRI320
+
 config MACH_VPAC270
 	bool "Voipac PXA270"
 	select PXA27x
@@ -653,11 +657,17 @@ config CPU_PXA935
 	help
 	  PXA935 (codename Tavor-P65)
 
-config CPU_PXA950
+config PXA95x
 	bool
-	select CPU_PXA930
+	select CPU_PJ4
+	help
+	  Select code specific to PXA95x variants
+
+config CPU_PXA955
+	bool
+	select PXA95x
 	help
-	  PXA950 (codename Tavor-PV2)
+	  PXA950 (codename MG1)
 
 config PXA_SHARP_C7xx
 	bool
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index e2f89c2c6f4..cc39d17b2e0 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -16,9 +16,10 @@ endif
 # Generic drivers that other drivers may depend upon
 
 # SoC-specific code
-obj-$(CONFIG_PXA25x)		+= mfp-pxa2xx.o pxa2xx.o pxa25x.o
-obj-$(CONFIG_PXA27x)		+= mfp-pxa2xx.o pxa2xx.o pxa27x.o
-obj-$(CONFIG_PXA3xx)		+= mfp-pxa3xx.o pxa3xx.o smemc.o pxa3xx-ulpi.o
+obj-$(CONFIG_PXA25x)		+= mfp-pxa2xx.o clock-pxa2xx.o pxa2xx.o pxa25x.o
+obj-$(CONFIG_PXA27x)		+= mfp-pxa2xx.o clock-pxa2xx.o pxa2xx.o pxa27x.o
+obj-$(CONFIG_PXA3xx)		+= mfp-pxa3xx.o clock-pxa3xx.o pxa3xx.o smemc.o pxa3xx-ulpi.o
+obj-$(CONFIG_PXA95x)		+= mfp-pxa3xx.o clock-pxa3xx.o pxa95x.o smemc.o
 obj-$(CONFIG_CPU_PXA300)	+= pxa300.o
 obj-$(CONFIG_CPU_PXA320)	+= pxa320.o
 obj-$(CONFIG_CPU_PXA930)	+= pxa930.o
@@ -34,6 +35,7 @@ obj-$(CONFIG_MACH_LITTLETON)	+= littleton.o
 obj-$(CONFIG_MACH_TAVOREVB)	+= tavorevb.o
 obj-$(CONFIG_MACH_TAVOREVB3)	+= tavorevb3.o
 obj-$(CONFIG_MACH_SAAR)		+= saar.o
+obj-$(CONFIG_MACH_SAARB)	+= saarb.o
 
 # 3rd Party Dev Platforms
 obj-$(CONFIG_ARCH_PXA_IDP)	+= idp.o
@@ -60,7 +62,7 @@ obj-$(CONFIG_MACH_LOGICPD_PXA270)	+= lpd270.o
 obj-$(CONFIG_MACH_PCM027)		+= pcm027.o
 obj-$(CONFIG_MACH_PCM990_BASEBOARD)	+= pcm990-baseboard.o
 obj-$(CONFIG_MACH_COLIBRI)			+= colibri-pxa270.o
-obj-$(CONFIG_MACH_COLIBRI_PXA270_EVALBOARD)	+= colibri-pxa270-evalboard.o
+obj-$(CONFIG_MACH_COLIBRI_EVALBOARD)	+= colibri-evalboard.o
 obj-$(CONFIG_MACH_COLIBRI_PXA270_INCOME)	+= colibri-pxa270-income.o
 obj-$(CONFIG_MACH_COLIBRI300)	+= colibri-pxa3xx.o colibri-pxa300.o
 obj-$(CONFIG_MACH_COLIBRI320)	+= colibri-pxa3xx.o colibri-pxa320.o
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 21e18890193..ccb2d0cebcc 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -567,27 +567,29 @@ static inline void balloon3_i2c_init(void) {}
  * NAND
  ******************************************************************************/
 #if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
-static uint16_t balloon3_ctl =
-	BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
-	BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
-	BALLOON3_NAND_CONTROL_FLWP;
-
 static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
 	struct nand_chip *this = mtd->priv;
+	uint8_t balloon3_ctl_set = 0, balloon3_ctl_clr = 0;
 
 	if (ctrl & NAND_CTRL_CHANGE) {
 		if (ctrl & NAND_CLE)
-			balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCLE;
+			balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLCLE;
 		else
-			balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLCLE;
+			balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLCLE;
 
 		if (ctrl & NAND_ALE)
-			balloon3_ctl |= BALLOON3_NAND_CONTROL_FLALE;
+			balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLALE;
 		else
-			balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLALE;
-
-		__raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+			balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLALE;
+
+		if (balloon3_ctl_clr)
+			__raw_writel(balloon3_ctl_clr,
+				BALLOON3_NAND_CONTROL_REG);
+		if (balloon3_ctl_set)
+			__raw_writel(balloon3_ctl_set,
+				BALLOON3_NAND_CONTROL_REG |
+				BALLOON3_FPGA_SETnCLR);
 	}
 
 	if (cmd != NAND_CMD_NONE)
@@ -599,28 +601,33 @@ static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip)
 	if (chip < 0 || chip > 3)
 		return;
 
-	balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCE0 |
-			BALLOON3_NAND_CONTROL_FLCE1 |
-			BALLOON3_NAND_CONTROL_FLCE2 |
-			BALLOON3_NAND_CONTROL_FLCE3;
+	/* Assert all nCE lines */
+	__raw_writew(
+		BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+		BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3,
+		BALLOON3_NAND_CONTROL_REG | BALLOON3_FPGA_SETnCLR);
 
 	/* Deassert correct nCE line */
-	balloon3_ctl &= ~(BALLOON3_NAND_CONTROL_FLCE0 << chip);
+	__raw_writew(BALLOON3_NAND_CONTROL_FLCE0 << chip,
+		BALLOON3_NAND_CONTROL_REG);
+}
 
-	__raw_writew(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+static int balloon3_nand_dev_ready(struct mtd_info *mtd)
+{
+	return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB;
 }
 
 static int balloon3_nand_probe(struct platform_device *pdev)
 {
-	void __iomem *temp_map;
 	uint16_t ver;
 	int ret;
 
-	__raw_writew(BALLOON3_NAND_CONTROL2_16BIT, BALLOON3_NAND_CONTROL2_REG);
+	__raw_writew(BALLOON3_NAND_CONTROL2_16BIT,
+		BALLOON3_NAND_CONTROL2_REG | BALLOON3_FPGA_SETnCLR);
 
 	ver = __raw_readw(BALLOON3_FPGA_VER);
-	if (ver > 0x0201)
-		pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. "
+	if (ver < 0x4f08)
+		pr_warn("The FPGA code, version 0x%04x, is too old. "
 			"NAND support might be broken in this version!", ver);
 
 	/* Power up the NAND chips */
@@ -635,7 +642,11 @@ static int balloon3_nand_probe(struct platform_device *pdev)
 	gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1);
 
 	/* Deassert all nCE lines and write protect line */
-	__raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+	__raw_writel(
+		BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+		BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
+		BALLOON3_NAND_CONTROL_FLWP,
+		BALLOON3_NAND_CONTROL_REG | BALLOON3_FPGA_SETnCLR);
 	return 0;
 
 err2:
@@ -677,7 +688,7 @@ struct platform_nand_data balloon3_nand_pdata = {
 	},
 	.ctrl = {
 		.hwcontrol	= 0,
-		.dev_ready	= 0,
+		.dev_ready	= balloon3_nand_dev_ready,
 		.select_chip	= balloon3_nand_select_chip,
 		.cmd_ctrl	= balloon3_nand_cmd_ctl,
 		.probe		= balloon3_nand_probe,
@@ -802,7 +813,7 @@ static struct map_desc balloon3_io_desc[] __initdata = {
 
 static void __init balloon3_map_io(void)
 {
-	pxa_map_io();
+	pxa27x_map_io();
 	iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
 }
 
diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c
index 4bd7a3cda48..4284513f396 100644
--- a/arch/arm/mach-pxa/capc7117.c
+++ b/arch/arm/mach-pxa/capc7117.c
@@ -149,7 +149,7 @@ static void __init capc7117_init(void)
 MACHINE_START(CAPC7117,
 	      "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
 	.boot_params = 0xa0000100,
-	.map_io = pxa_map_io,
+	.map_io = pxa3xx_map_io,
 	.init_irq = pxa3xx_init_irq,
 	.timer = &pxa_timer,
 	.init_machine = capc7117_init
diff --git a/arch/arm/mach-pxa/clock-pxa2xx.c b/arch/arm/mach-pxa/clock-pxa2xx.c
new file mode 100644
index 00000000000..1ce09044849
--- /dev/null
+++ b/arch/arm/mach-pxa/clock-pxa2xx.c
@@ -0,0 +1,64 @@
+/*
+ * linux/arch/arm/mach-pxa/clock-pxa2xx.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+
+#include <mach/pxa2xx-regs.h>
+
+#include "clock.h"
+
+void clk_pxa2xx_cken_enable(struct clk *clk)
+{
+	CKEN |= 1 << clk->cken;
+}
+
+void clk_pxa2xx_cken_disable(struct clk *clk)
+{
+	CKEN &= ~(1 << clk->cken);
+}
+
+const struct clkops clk_pxa2xx_cken_ops = {
+	.enable		= clk_pxa2xx_cken_enable,
+	.disable	= clk_pxa2xx_cken_disable,
+};
+
+#ifdef CONFIG_PM
+static uint32_t saved_cken;
+
+static int pxa2xx_clock_suspend(struct sys_device *d, pm_message_t state)
+{
+	saved_cken = CKEN;
+	return 0;
+}
+
+static int pxa2xx_clock_resume(struct sys_device *d)
+{
+	CKEN = saved_cken;
+	return 0;
+}
+#else
+#define pxa2xx_clock_suspend	NULL
+#define pxa2xx_clock_resume	NULL
+#endif
+
+struct sysdev_class pxa2xx_clock_sysclass = {
+	.name		= "pxa2xx-clock",
+	.suspend	= pxa2xx_clock_suspend,
+	.resume		= pxa2xx_clock_resume,
+};
+
+static int __init pxa2xx_clock_init(void)
+{
+	if (cpu_is_pxa2xx())
+		return sysdev_class_register(&pxa2xx_clock_sysclass);
+	return 0;
+}
+postcore_initcall(pxa2xx_clock_init);
diff --git a/arch/arm/mach-pxa/clock-pxa3xx.c b/arch/arm/mach-pxa/clock-pxa3xx.c
new file mode 100644
index 00000000000..1b08a34ab23
--- /dev/null
+++ b/arch/arm/mach-pxa/clock-pxa3xx.c
@@ -0,0 +1,218 @@
+/*
+ * linux/arch/arm/mach-pxa/clock-pxa3xx.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/smemc.h>
+#include <mach/pxa3xx-regs.h>
+
+#include "clock.h"
+
+/* Crystal clock: 13MHz */
+#define BASE_CLK	13000000
+
+/* Ring Oscillator Clock: 60MHz */
+#define RO_CLK		60000000
+
+#define ACCR_D0CS	(1 << 26)
+#define ACCR_PCCE	(1 << 11)
+
+/* crystal frequency to HSIO bus frequency multiplier (HSS) */
+static unsigned char hss_mult[4] = { 8, 12, 16, 24 };
+
+/*
+ * Get the clock frequency as reflected by CCSR and the turbo flag.
+ * We assume these values have been applied via a fcs.
+ * If info is not 0 we also display the current settings.
+ */
+unsigned int pxa3xx_get_clk_frequency_khz(int info)
+{
+	unsigned long acsr, xclkcfg;
+	unsigned int t, xl, xn, hss, ro, XL, XN, CLK, HSS;
+
+	/* Read XCLKCFG register turbo bit */
+	__asm__ __volatile__("mrc\tp14, 0, %0, c6, c0, 0" : "=r"(xclkcfg));
+	t = xclkcfg & 0x1;
+
+	acsr = ACSR;
+
+	xl  = acsr & 0x1f;
+	xn  = (acsr >> 8) & 0x7;
+	hss = (acsr >> 14) & 0x3;
+
+	XL = xl * BASE_CLK;
+	XN = xn * XL;
+
+	ro = acsr & ACCR_D0CS;
+
+	CLK = (ro) ? RO_CLK : ((t) ? XN : XL);
+	HSS = (ro) ? RO_CLK : hss_mult[hss] * BASE_CLK;
+
+	if (info) {
+		pr_info("RO Mode clock: %d.%02dMHz (%sactive)\n",
+			RO_CLK / 1000000, (RO_CLK % 1000000) / 10000,
+			(ro) ? "" : "in");
+		pr_info("Run Mode clock: %d.%02dMHz (*%d)\n",
+			XL / 1000000, (XL % 1000000) / 10000, xl);
+		pr_info("Turbo Mode clock: %d.%02dMHz (*%d, %sactive)\n",
+			XN / 1000000, (XN % 1000000) / 10000, xn,
+			(t) ? "" : "in");
+		pr_info("HSIO bus clock: %d.%02dMHz\n",
+			HSS / 1000000, (HSS % 1000000) / 10000);
+	}
+
+	return CLK / 1000;
+}
+
+/*
+ * Return the current AC97 clock frequency.
+ */
+static unsigned long clk_pxa3xx_ac97_getrate(struct clk *clk)
+{
+	unsigned long rate = 312000000;
+	unsigned long ac97_div;
+
+	ac97_div = AC97_DIV;
+
+	/* This may loose precision for some rates but won't for the
+	 * standard 24.576MHz.
+	 */
+	rate /= (ac97_div >> 12) & 0x7fff;
+	rate *= (ac97_div & 0xfff);
+
+	return rate;
+}
+
+/*
+ * Return the current HSIO bus clock frequency
+ */
+static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk)
+{
+	unsigned long acsr;
+	unsigned int hss, hsio_clk;
+
+	acsr = ACSR;
+
+	hss = (acsr >> 14) & 0x3;
+	hsio_clk = (acsr & ACCR_D0CS) ? RO_CLK : hss_mult[hss] * BASE_CLK;
+
+	return hsio_clk;
+}
+
+/* crystal frequency to static memory controller multiplier (SMCFS) */
+static unsigned int smcfs_mult[8] = { 6, 0, 8, 0, 0, 16, };
+static unsigned int df_clkdiv[4] = { 1, 2, 4, 1 };
+
+static unsigned long clk_pxa3xx_smemc_getrate(struct clk *clk)
+{
+	unsigned long acsr = ACSR;
+	unsigned long memclkcfg = __raw_readl(MEMCLKCFG);
+	unsigned int smcfs = (acsr >> 23) & 0x7;
+
+	return BASE_CLK * smcfs_mult[(acsr >> 23) & 0x7] /
+			df_clkdiv[(memclkcfg >> 16) & 0x3];
+}
+
+void clk_pxa3xx_cken_enable(struct clk *clk)
+{
+	unsigned long mask = 1ul << (clk->cken & 0x1f);
+
+	if (clk->cken < 32)
+		CKENA |= mask;
+	else
+		CKENB |= mask;
+}
+
+void clk_pxa3xx_cken_disable(struct clk *clk)
+{
+	unsigned long mask = 1ul << (clk->cken & 0x1f);
+
+	if (clk->cken < 32)
+		CKENA &= ~mask;
+	else
+		CKENB &= ~mask;
+}
+
+const struct clkops clk_pxa3xx_cken_ops = {
+	.enable		= clk_pxa3xx_cken_enable,
+	.disable	= clk_pxa3xx_cken_disable,
+};
+
+const struct clkops clk_pxa3xx_hsio_ops = {
+	.enable		= clk_pxa3xx_cken_enable,
+	.disable	= clk_pxa3xx_cken_disable,
+	.getrate	= clk_pxa3xx_hsio_getrate,
+};
+
+const struct clkops clk_pxa3xx_ac97_ops = {
+	.enable		= clk_pxa3xx_cken_enable,
+	.disable	= clk_pxa3xx_cken_disable,
+	.getrate	= clk_pxa3xx_ac97_getrate,
+};
+
+const struct clkops clk_pxa3xx_smemc_ops = {
+	.enable		= clk_pxa3xx_cken_enable,
+	.disable	= clk_pxa3xx_cken_disable,
+	.getrate	= clk_pxa3xx_smemc_getrate,
+};
+
+static void clk_pout_enable(struct clk *clk)
+{