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Diffstat (limited to 'arch/arm/mach-omap2/prcm.c')
-rw-r--r--arch/arm/mach-omap2/prcm.c33
1 files changed, 29 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index c20137497c92..a51846e3a6fa 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -26,13 +26,14 @@
#include <plat/common.h>
#include <plat/prcm.h>
#include <plat/irqs.h>
-#include <plat/control.h>
#include "clock.h"
#include "clock2xxx.h"
#include "cm.h"
#include "prm.h"
#include "prm-regbits-24xx.h"
+#include "prm-regbits-44xx.h"
+#include "control.h"
static void __iomem *prm_base;
static void __iomem *cm_base;
@@ -118,7 +119,7 @@ struct omap3_prcm_regs {
u32 wkup_pm_wken;
};
-struct omap3_prcm_regs prcm_context;
+static struct omap3_prcm_regs prcm_context;
u32 omap_prcm_get_reset_sources(void)
{
@@ -161,8 +162,8 @@ void omap_prcm_arch_reset(char mode, const char *cmd)
prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, prcm_offs,
OMAP2_RM_RSTCTRL);
if (cpu_is_omap44xx())
- prm_set_mod_reg_bits(OMAP_RST_DPLL3_MASK, prcm_offs,
- OMAP4_RM_RSTCTRL);
+ prm_set_mod_reg_bits(OMAP4430_RST_GLOBAL_WARM_SW_MASK,
+ prcm_offs, OMAP4_RM_RSTCTRL);
}
static inline u32 __omap_prcm_read(void __iomem *base, s16 module, u16 reg)
@@ -215,6 +216,30 @@ u32 prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
return v;
}
+/* Read a PRM register, AND it, and shift the result down to bit 0 */
+u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask)
+{
+ u32 v;
+
+ v = __raw_readl(reg);
+ v &= mask;
+ v >>= __ffs(mask);
+
+ return v;
+}
+
+/* Read-modify-write a register in a PRM module. Caller must lock */
+u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg)
+{
+ u32 v;
+
+ v = __raw_readl(reg);
+ v &= ~mask;
+ v |= bits;
+ __raw_writel(v, reg);
+
+ return v;
+}
/* Read a register in a CM module */
u32 cm_read_mod_reg(s16 module, u16 idx)
{