Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits)
  [ARM] 5171/1: ep93xx: fix compilation of modules using clocks
  [ARM] 5133/2: at91sam9g20 defconfig file
  [ARM] 5130/4: Support for the at91sam9g20
  [ARM] 5160/1: IOP3XX: gpio/gpiolib support
  [ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits.
  [ARM] 5084/1: zylonite: Register AC97 device
  [ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model
  [ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers
  [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting
  [ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
  [ARM] 5144/1: pxaficp_ir: cleanup includes
  [ARM] pxa: remove pxa_set_cken()
  [ARM] pxa: allow clk aliases
  [ARM] Feroceon: don't disable BPU on boot
  [ARM] Orion: LED support for HP mv2120
  [ARM] Orion: add RD88F5181L-FXO support
  [ARM] Orion: add RD88F5181L-GE support
  [ARM] Orion: add Netgear WNR854T support
  [ARM] s3c2410_defconfig: update for current build
  [ARM] Acer n30: Minor style and indentation fixes.
  ...

1 files changed, 91 insertions, 7 deletions

diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index b12f423b859..fd92a80f38f 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -16,16 +16,21 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
+#include <asm/arch/common.h>
+#include <asm/arch/prcm.h>
 
+#include "clock.h"
 #include "prm.h"
 #include "prm-regbits-24xx.h"
 
-extern void omap2_clk_prepare_for_reboot(void);
+static void __iomem *prm_base;
+static void __iomem *cm_base;
 
 u32 omap_prcm_get_reset_sources(void)
 {
+	/* XXX This presumably needs modification for 34XX */
 	return prm_read_mod_reg(WKUP_MOD, RM_RSTST) & 0x7f;
 }
 EXPORT_SYMBOL(omap_prcm_get_reset_sources);
@@ -33,11 +38,90 @@ EXPORT_SYMBOL(omap_prcm_get_reset_sources);
 /* Resets clock rates and reboots the system. Only called from system.h */
 void omap_prcm_arch_reset(char mode)
 {
-	u32 wkup;
+	s16 prcm_offs;
 	omap2_clk_prepare_for_reboot();
 
-	if (cpu_is_omap24xx()) {
-		wkup = prm_read_mod_reg(WKUP_MOD, RM_RSTCTRL) | OMAP_RST_DPLL3;
-		prm_write_mod_reg(wkup, WKUP_MOD, RM_RSTCTRL);
-	}
+	if (cpu_is_omap24xx())
+		prcm_offs = WKUP_MOD;
+	else if (cpu_is_omap34xx())
+		prcm_offs = OMAP3430_GR_MOD;
+	else
+		WARN_ON(1);
+
+	prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, RM_RSTCTRL);
+}
+
+static inline u32 __omap_prcm_read(void __iomem *base, s16 module, u16 reg)
+{
+	BUG_ON(!base);
+	return __raw_readl(base + module + reg);
+}
+
+static inline void __omap_prcm_write(u32 value, void __iomem *base,
+						s16 module, u16 reg)
+{
+	BUG_ON(!base);
+	__raw_writel(value, base + module + reg);
+}
+
+/* Read a register in a PRM module */
+u32 prm_read_mod_reg(s16 module, u16 idx)
+{
+	return __omap_prcm_read(prm_base, module, idx);
+}
+EXPORT_SYMBOL(prm_read_mod_reg);
+
+/* Write into a register in a PRM module */
+void prm_write_mod_reg(u32 val, s16 module, u16 idx)
+{
+	__omap_prcm_write(val, prm_base, module, idx);
+}
+EXPORT_SYMBOL(prm_write_mod_reg);
+
+/* Read-modify-write a register in a PRM module. Caller must lock */
+u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
+{
+	u32 v;
+
+	v = prm_read_mod_reg(module, idx);
+	v &= ~mask;
+	v |= bits;
+	prm_write_mod_reg(v, module, idx);
+
+	return v;
+}
+EXPORT_SYMBOL(prm_rmw_mod_reg_bits);
+
+/* Read a register in a CM module */
+u32 cm_read_mod_reg(s16 module, u16 idx)
+{
+	return __omap_prcm_read(cm_base, module, idx);
+}
+EXPORT_SYMBOL(cm_read_mod_reg);
+
+/* Write into a register in a CM module */
+void cm_write_mod_reg(u32 val, s16 module, u16 idx)
+{
+	__omap_prcm_write(val, cm_base, module, idx);
+}
+EXPORT_SYMBOL(cm_write_mod_reg);
+
+/* Read-modify-write a register in a CM module. Caller must lock */
+u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
+{
+	u32 v;
+
+	v = cm_read_mod_reg(module, idx);
+	v &= ~mask;
+	v |= bits;
+	cm_write_mod_reg(v, module, idx);
+
+	return v;
+}
+EXPORT_SYMBOL(cm_rmw_mod_reg_bits);
+
+void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
+{
+	prm_base = omap2_globals->prm;
+	cm_base = omap2_globals->cm;
 }