Merge branch 'mxc-master' of git://git.pengutronix.de/git/imx/linux-2.6 into devel

[sfrench/cifs-2.6.git] / arch / arm / mach-davinci / psc.c

diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index 84171abf5f7b25453af26092006939617ac99237..a78b657e916e9c44425e8c913e6160bc833089bc 100644 (file)
--- 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;