[PATCH V2 1/3] ARM: EXYNOS4: Modify PMU register setting function
Jongpill Lee
boyko.lee at samsung.com
Sun Sep 18 21:25:40 EDT 2011
This patch modifies PMU register setting function to support the other Exynos4 series.
Signed-off-by: Jongpill Lee <boyko.lee at samsung.com>
---
arch/arm/mach-exynos4/include/mach/pmu.h | 7 +
arch/arm/mach-exynos4/include/mach/regs-pmu.h | 1 -
arch/arm/mach-exynos4/pmu.c | 239 +++++++++----------------
3 files changed, 96 insertions(+), 151 deletions(-)
diff --git a/arch/arm/mach-exynos4/include/mach/pmu.h b/arch/arm/mach-exynos4/include/mach/pmu.h
index a952904..632dd56 100644
--- a/arch/arm/mach-exynos4/include/mach/pmu.h
+++ b/arch/arm/mach-exynos4/include/mach/pmu.h
@@ -13,6 +13,8 @@
#ifndef __ASM_ARCH_PMU_H
#define __ASM_ARCH_PMU_H __FILE__
+#define PMU_TABLE_END NULL
+
enum sys_powerdown {
SYS_AFTR,
SYS_LPA,
@@ -20,6 +22,11 @@ enum sys_powerdown {
NUM_SYS_POWERDOWN,
};
+struct exynos4_pmu_conf {
+ void __iomem *reg;
+ unsigned int val[NUM_SYS_POWERDOWN];
+};
+
extern void exynos4_sys_powerdown_conf(enum sys_powerdown mode);
#endif /* __ASM_ARCH_PMU_H */
diff --git a/arch/arm/mach-exynos4/include/mach/regs-pmu.h b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
index cdf9b47..7fa44b9 100644
--- a/arch/arm/mach-exynos4/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
@@ -27,7 +27,6 @@
#define S5P_USE_STANDBY_WFI1 (1 << 17)
#define S5P_USE_STANDBY_WFE0 (1 << 24)
#define S5P_USE_STANDBY_WFE1 (1 << 25)
-#define S5P_USE_MASK ((0x3 << 16) | (0x3 << 24))
#define S5P_SWRESET S5P_PMUREG(0x0400)
diff --git a/arch/arm/mach-exynos4/pmu.c b/arch/arm/mach-exynos4/pmu.c
index 7ea9eb2..02bfa0d 100644
--- a/arch/arm/mach-exynos4/pmu.c
+++ b/arch/arm/mach-exynos4/pmu.c
@@ -16,160 +16,99 @@
#include <mach/regs-clock.h>
#include <mach/pmu.h>
-static void __iomem *sys_powerdown_reg[] = {
- S5P_ARM_CORE0_LOWPWR,
- S5P_DIS_IRQ_CORE0,
- S5P_DIS_IRQ_CENTRAL0,
- S5P_ARM_CORE1_LOWPWR,
- S5P_DIS_IRQ_CORE1,
- S5P_DIS_IRQ_CENTRAL1,
- S5P_ARM_COMMON_LOWPWR,
- S5P_L2_0_LOWPWR,
- S5P_L2_1_LOWPWR,
- S5P_CMU_ACLKSTOP_LOWPWR,
- S5P_CMU_SCLKSTOP_LOWPWR,
- S5P_CMU_RESET_LOWPWR,
- S5P_APLL_SYSCLK_LOWPWR,
- S5P_MPLL_SYSCLK_LOWPWR,
- S5P_VPLL_SYSCLK_LOWPWR,
- S5P_EPLL_SYSCLK_LOWPWR,
- S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR,
- S5P_CMU_RESET_GPSALIVE_LOWPWR,
- S5P_CMU_CLKSTOP_CAM_LOWPWR,
- S5P_CMU_CLKSTOP_TV_LOWPWR,
- S5P_CMU_CLKSTOP_MFC_LOWPWR,
- S5P_CMU_CLKSTOP_G3D_LOWPWR,
- S5P_CMU_CLKSTOP_LCD0_LOWPWR,
- S5P_CMU_CLKSTOP_LCD1_LOWPWR,
- S5P_CMU_CLKSTOP_MAUDIO_LOWPWR,
- S5P_CMU_CLKSTOP_GPS_LOWPWR,
- S5P_CMU_RESET_CAM_LOWPWR,
- S5P_CMU_RESET_TV_LOWPWR,
- S5P_CMU_RESET_MFC_LOWPWR,
- S5P_CMU_RESET_G3D_LOWPWR,
- S5P_CMU_RESET_LCD0_LOWPWR,
- S5P_CMU_RESET_LCD1_LOWPWR,
- S5P_CMU_RESET_MAUDIO_LOWPWR,
- S5P_CMU_RESET_GPS_LOWPWR,
- S5P_TOP_BUS_LOWPWR,
- S5P_TOP_RETENTION_LOWPWR,
- S5P_TOP_PWR_LOWPWR,
- S5P_LOGIC_RESET_LOWPWR,
- S5P_ONENAND_MEM_LOWPWR,
- S5P_MODIMIF_MEM_LOWPWR,
- S5P_G2D_ACP_MEM_LOWPWR,
- S5P_USBOTG_MEM_LOWPWR,
- S5P_HSMMC_MEM_LOWPWR,
- S5P_CSSYS_MEM_LOWPWR,
- S5P_SECSS_MEM_LOWPWR,
- S5P_PCIE_MEM_LOWPWR,
- S5P_SATA_MEM_LOWPWR,
- S5P_PAD_RETENTION_DRAM_LOWPWR,
- S5P_PAD_RETENTION_MAUDIO_LOWPWR,
- S5P_PAD_RETENTION_GPIO_LOWPWR,
- S5P_PAD_RETENTION_UART_LOWPWR,
- S5P_PAD_RETENTION_MMCA_LOWPWR,
- S5P_PAD_RETENTION_MMCB_LOWPWR,
- S5P_PAD_RETENTION_EBIA_LOWPWR,
- S5P_PAD_RETENTION_EBIB_LOWPWR,
- S5P_PAD_RETENTION_ISOLATION_LOWPWR,
- S5P_PAD_RETENTION_ALV_SEL_LOWPWR,
- S5P_XUSBXTI_LOWPWR,
- S5P_XXTI_LOWPWR,
- S5P_EXT_REGULATOR_LOWPWR,
- S5P_GPIO_MODE_LOWPWR,
- S5P_GPIO_MODE_MAUDIO_LOWPWR,
- S5P_CAM_LOWPWR,
- S5P_TV_LOWPWR,
- S5P_MFC_LOWPWR,
- S5P_G3D_LOWPWR,
- S5P_LCD0_LOWPWR,
- S5P_LCD1_LOWPWR,
- S5P_MAUDIO_LOWPWR,
- S5P_GPS_LOWPWR,
- S5P_GPS_ALIVE_LOWPWR,
-};
+static struct exynos4_pmu_conf *exynos4_pmu_config;
-static const unsigned int sys_powerdown_val[][NUM_SYS_POWERDOWN] = {
- /* { AFTR, LPA, SLEEP }*/
- { 0, 0, 2 }, /* ARM_CORE0 */
- { 0, 0, 0 }, /* ARM_DIS_IRQ_CORE0 */
- { 0, 0, 0 }, /* ARM_DIS_IRQ_CENTRAL0 */
- { 0, 0, 2 }, /* ARM_CORE1 */
- { 0, 0, 0 }, /* ARM_DIS_IRQ_CORE1 */
- { 0, 0, 0 }, /* ARM_DIS_IRQ_CENTRAL1 */
- { 0, 0, 2 }, /* ARM_COMMON */
- { 2, 2, 3 }, /* ARM_CPU_L2_0 */
- { 2, 2, 3 }, /* ARM_CPU_L2_1 */
- { 1, 0, 0 }, /* CMU_ACLKSTOP */
- { 1, 0, 0 }, /* CMU_SCLKSTOP */
- { 1, 1, 0 }, /* CMU_RESET */
- { 1, 0, 0 }, /* APLL_SYSCLK */
- { 1, 0, 0 }, /* MPLL_SYSCLK */
- { 1, 0, 0 }, /* VPLL_SYSCLK */
- { 1, 1, 0 }, /* EPLL_SYSCLK */
- { 1, 1, 0 }, /* CMU_CLKSTOP_GPS_ALIVE */
- { 1, 1, 0 }, /* CMU_RESET_GPS_ALIVE */
- { 1, 1, 0 }, /* CMU_CLKSTOP_CAM */
- { 1, 1, 0 }, /* CMU_CLKSTOP_TV */
- { 1, 1, 0 }, /* CMU_CLKSTOP_MFC */
- { 1, 1, 0 }, /* CMU_CLKSTOP_G3D */
- { 1, 1, 0 }, /* CMU_CLKSTOP_LCD0 */
- { 1, 1, 0 }, /* CMU_CLKSTOP_LCD1 */
- { 1, 1, 0 }, /* CMU_CLKSTOP_MAUDIO */
- { 1, 1, 0 }, /* CMU_CLKSTOP_GPS */
- { 1, 1, 0 }, /* CMU_RESET_CAM */
- { 1, 1, 0 }, /* CMU_RESET_TV */
- { 1, 1, 0 }, /* CMU_RESET_MFC */
- { 1, 1, 0 }, /* CMU_RESET_G3D */
- { 1, 1, 0 }, /* CMU_RESET_LCD0 */
- { 1, 1, 0 }, /* CMU_RESET_LCD1 */
- { 1, 1, 0 }, /* CMU_RESET_MAUDIO */
- { 1, 1, 0 }, /* CMU_RESET_GPS */
- { 3, 0, 0 }, /* TOP_BUS */
- { 1, 0, 1 }, /* TOP_RETENTION */
- { 3, 0, 3 }, /* TOP_PWR */
- { 1, 1, 0 }, /* LOGIC_RESET */
- { 3, 0, 0 }, /* ONENAND_MEM */
- { 3, 0, 0 }, /* MODIMIF_MEM */
- { 3, 0, 0 }, /* G2D_ACP_MEM */
- { 3, 0, 0 }, /* USBOTG_MEM */
- { 3, 0, 0 }, /* HSMMC_MEM */
- { 3, 0, 0 }, /* CSSYS_MEM */
- { 3, 0, 0 }, /* SECSS_MEM */
- { 3, 0, 0 }, /* PCIE_MEM */
- { 3, 0, 0 }, /* SATA_MEM */
- { 1, 0, 0 }, /* PAD_RETENTION_DRAM */
- { 1, 1, 0 }, /* PAD_RETENTION_MAUDIO */
- { 1, 0, 0 }, /* PAD_RETENTION_GPIO */
- { 1, 0, 0 }, /* PAD_RETENTION_UART */
- { 1, 0, 0 }, /* PAD_RETENTION_MMCA */
- { 1, 0, 0 }, /* PAD_RETENTION_MMCB */
- { 1, 0, 0 }, /* PAD_RETENTION_EBIA */
- { 1, 0, 0 }, /* PAD_RETENTION_EBIB */
- { 1, 0, 0 }, /* PAD_RETENTION_ISOLATION */
- { 1, 0, 0 }, /* PAD_RETENTION_ALV_SEL */
- { 1, 1, 0 }, /* XUSBXTI */
- { 1, 1, 0 }, /* XXTI */
- { 1, 1, 0 }, /* EXT_REGULATOR */
- { 1, 0, 0 }, /* GPIO_MODE */
- { 1, 1, 0 }, /* GPIO_MODE_MAUDIO */
- { 7, 0, 0 }, /* CAM */
- { 7, 0, 0 }, /* TV */
- { 7, 0, 0 }, /* MFC */
- { 7, 0, 0 }, /* G3D */
- { 7, 0, 0 }, /* LCD0 */
- { 7, 0, 0 }, /* LCD1 */
- { 7, 7, 0 }, /* MAUDIO */
- { 7, 0, 0 }, /* GPS */
- { 7, 0, 0 }, /* GPS_ALIVE */
+static struct exynos4_pmu_conf exynos4210_pmu_config[] = {
+ /* { .reg = address, .val = { AFTR, LPA, SLEEP } */
+ { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } },
+ { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } },
+ { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } },
+ { S5P_L2_0_LOWPWR, { 0x2, 0x2, 0x3 } },
+ { S5P_L2_1_LOWPWR, { 0x2, 0x2, 0x3 } },
+ { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } },
+ { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } },
+ { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_MODIMIF_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_PCIE_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_SATA_MEM_LOWPWR, { 0x3, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } },
+ { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } },
+ { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_LCD1_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } },
+ { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } },
+ { PMU_TABLE_END,},
};
void exynos4_sys_powerdown_conf(enum sys_powerdown mode)
{
- unsigned int count = ARRAY_SIZE(sys_powerdown_reg);
+ unsigned int i;
+
+ for (i = 0; (exynos4_pmu_config[i].reg != PMU_TABLE_END) ; i++)
+ __raw_writel(exynos4_pmu_config[i].val[mode],
+ exynos4_pmu_config[i].reg);
+}
+
+static int __init exynos4_pmu_init(void)
+{
+ exynos4_pmu_config = exynos4210_pmu_config;
+
+ pr_info("EXYNOS4210 PMU Initialize\n");
- for (; count > 0; count--)
- __raw_writel(sys_powerdown_val[count - 1][mode],
- sys_powerdown_reg[count - 1]);
+ return 0;
}
+arch_initcall(exynos4_pmu_init);
--
1.7.1
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