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Diffstat (limited to 'arch/arm/mach-davinci/psc.c')
-rw-r--r--arch/arm/mach-davinci/psc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index adf6b5c7f1e5..1b15dbd0a77b 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -38,8 +38,9 @@ int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
return 0;
}
- psc_base = soc_info->psc_bases[ctlr];
+ psc_base = ioremap(soc_info->psc_bases[ctlr], SZ_4K);
mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
+ iounmap(psc_base);
/* if clocked, state can be "Enable" or "SyncReset" */
return mdstat & BIT(12);
@@ -47,12 +48,11 @@ int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
/* Enable or disable a PSC domain */
void davinci_psc_config(unsigned int domain, unsigned int ctlr,
- unsigned int id, char enable)
+ unsigned int id, u32 next_state)
{
u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl;
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",
@@ -60,7 +60,7 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
return;
}
- psc_base = soc_info->psc_bases[ctlr];
+ psc_base = ioremap(soc_info->psc_bases[ctlr], SZ_4K);
mdctl = __raw_readl(psc_base + MDCTL + 4 * id);
mdctl &= ~MDSTAT_STATE_MASK;
@@ -100,4 +100,6 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
do {
mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
} while (!((mdstat & MDSTAT_STATE_MASK) == next_state));
+
+ iounmap(psc_base);
}