diff options
Diffstat (limited to 'arch/arm/mach-omap2/prcm.c')
| -rw-r--r-- | arch/arm/mach-omap2/prcm.c | 33 |
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) { |