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Diffstat (limited to 'arch/arm/mach-davinci/psc.c')
-rw-r--r--arch/arm/mach-davinci/psc.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index 84171ab..a78b657 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -28,8 +28,6 @@
#include <mach/psc.h>
#include <mach/mux.h>
-#define DAVINCI_PWR_SLEEP_CNTRL_BASE 0x01C41000
-
/* PSC register offsets */
#define EPCPR 0x070
#define PTCMD 0x120
@@ -42,22 +40,42 @@
#define MDSTAT_STATE_MASK 0x1f
/* Return nonzero iff the domain's clock is active */
-int __init davinci_psc_is_clk_active(unsigned int id)
+int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
{
- void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE);
- u32 mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
+ void __iomem *psc_base;
+ u32 mdstat;
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ if (!soc_info->psc_bases || (ctlr >= soc_info->psc_bases_num)) {
+ pr_warning("PSC: Bad psc data: 0x%x[%d]\n",
+ (int)soc_info->psc_bases, ctlr);
+ return 0;
+ }
+
+ psc_base = soc_info->psc_bases[ctlr];
+ mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
/* if clocked, state can be "Enable" or "SyncReset" */
return mdstat & BIT(12);
}
/* Enable or disable a PSC domain */
-void davinci_psc_config(unsigned int domain, unsigned int id, char enable)
+void davinci_psc_config(unsigned int domain, unsigned int ctlr,
+ unsigned int id, char enable)
{
u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl;
- void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE);
+ void __iomem *psc_base;
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
u32 next_state = enable ? 0x3 : 0x2; /* 0x3 enables, 0x2 disables */
+ if (!soc_info->psc_bases || (ctlr >= soc_info->psc_bases_num)) {
+ pr_warning("PSC: Bad psc data: 0x%x[%d]\n",
+ (int)soc_info->psc_bases, ctlr);
+ return;
+ }
+
+ psc_base = soc_info->psc_bases[ctlr];
+
mdctl = __raw_readl(psc_base + MDCTL + 4 * id);
mdctl &= ~MDSTAT_STATE_MASK;
mdctl |= next_state;