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rk30: pm: fix usb uart bupass support

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2013-04-24 18:42:00 +08:00
parent 306c705fea
commit 78c933a21d
1 changed files with 16 additions and 6 deletions
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22
arch/arm/mach-rk30/pm.c Normal file → Executable file
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@@ -492,13 +492,22 @@ static void __sramfunc rk_pm_soc_sram_volt_resume(void)
#define CLK_GATE_W_MSK8 (0x01ff)
#define CLK_GATE_W_MSK9 (0x07ff)
static u32 __sramdata clkgt_regs_sram[CRU_CLKGATES_CON_CNT];
//static u32 __sramdata sram_grf_uoc0_con0_status;
static u32 __sramdata sram_grf_uoc0_con0_status;
static void __sramfunc rk_pm_soc_sram_clk_gating(void)
{
u32 clkgt_regs_sram[CRU_CLKGATES_CON_CNT];
int i;
#if defined(CONFIG_ARCH_RK3188) && (CONFIG_RK_DEBUG_UART == 2)
#ifdef CONFIG_RK_USB_UART
sram_grf_uoc0_con0_status = grf_readl(GRF_UOC0_CON0);
grf_writel(0x03000000, GRF_UOC0_CON0);
#endif
#endif
for (i = 0; i < CRU_CLKGATES_CON_CNT; i++) {
clkgt_regs_sram[i] = cru_readl(CRU_CLKGATES_CON(i));
}
@@ -563,14 +572,15 @@ static void __sramfunc rk_pm_soc_sram_clk_gating(void)
static void __sramfunc rk_pm_soc_sram_clk_ungating(void)
{
int i;
#if defined(CONFIG_ARCH_RK3188) && (CONFIG_RK_DEBUG_UART == 2)
#ifdef CONFIG_RK_USB_UART
grf_writel(0x03000000 | sram_grf_uoc0_con0_status, GRF_UOC0_CON0);
#endif
#endif
for (i = 0; i < CRU_CLKGATES_CON_CNT; i++) {
cru_writel(clkgt_regs_sram[i] | 0xffff0000, CRU_CLKGATES_CON(i));
}
#if defined(CONFIG_ARCH_RK3188) && (CONFIG_RK_DEBUG_UART == 2)
#ifdef CONFIG_RK_USB_UART
grf_writel(0x03000000 | sram_grf_uoc0_con0_status, GRF_UOC0_CON0);
#endif
#endif
}
static u32 __sramdata sram_cru_clksel0_con, sram_cru_clksel10_con,sram_cru_mode_con;