ARM: EXYNOS: Add PMU support for exynos5420

Adds initial PMU settings for exynos5420. This is required for
future S2R and Switching support.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Vikas Sajjan <vikas.sajjan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Abhilash Kesavan 2014-11-07 09:27:33 +09:00 committed by Kukjin Kim
parent 6b7bfd8292
commit af2e0a0754
2 changed files with 514 additions and 0 deletions

View File

@ -12,6 +12,8 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include "exynos-pmu.h"
#include "regs-pmu.h"
@ -348,6 +350,151 @@ static const struct exynos_pmu_conf exynos5250_pmu_config[] = {
{ PMU_TABLE_END,},
};
static struct exynos_pmu_conf exynos5420_pmu_config[] = {
/* { .offset = offset, .val = { AFTR, LPA, SLEEP } */
{ EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_ARM_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_ARM_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_KFC_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_KFC_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_KFC_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE2_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_KFC_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_DIS_IRQ_KFC_CORE3_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_KFC_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_KFC_L2_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
{ EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_DPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_IPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_KPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_RPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_SPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
{ EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} },
{ EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x0} },
{ EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
{ EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} },
{ EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} },
{ EXYNOS5420_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} },
{ EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5420_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5420_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_HSI_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5420_PAD_RETENTION_DRAM_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
{ EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} },
{ EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} },
{ EXYNOS5420_G2D_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_MSC_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_FSYS_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_FSYS2_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_PSGEN_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_PERIC_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5420_WCORE_SYS_PWR_REG, { 0x7, 0x0, 0x0} },
{ EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ PMU_TABLE_END,},
};
static unsigned int const exynos5_list_both_cnt_feed[] = {
EXYNOS5_ARM_CORE0_OPTION,
EXYNOS5_ARM_CORE1_OPTION,
@ -368,6 +515,75 @@ static unsigned int const exynos5_list_disable_wfi_wfe[] = {
EXYNOS5_ISP_ARM_OPTION,
};
static unsigned int const exynos5420_list_disable_pmu_reg[] = {
EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG,
EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG,
EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG,
EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG,
EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG,
EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG,
EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG,
EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG,
EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG,
EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG,
EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG,
EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG,
};
static void exynos5_power_off(void)
{
unsigned int tmp;
pr_info("Power down.\n");
tmp = pmu_raw_readl(EXYNOS_PS_HOLD_CONTROL);
tmp ^= (1 << 8);
pmu_raw_writel(tmp, EXYNOS_PS_HOLD_CONTROL);
/* Wait a little so we don't give a false warning below */
mdelay(100);
pr_err("Power down failed, please power off system manually.\n");
while (1)
;
}
void exynos5420_powerdown_conf(enum sys_powerdown mode)
{
u32 this_cluster;
this_cluster = MPIDR_AFFINITY_LEVEL(read_cpuid_mpidr(), 1);
/*
* set the cluster id to IROM register to ensure that we wake
* up with the current cluster.
*/
pmu_raw_writel(this_cluster, EXYNOS_IROM_DATA2);
}
static void exynos5_powerdown_conf(enum sys_powerdown mode)
{
unsigned int i;
@ -439,6 +655,68 @@ static void exynos5250_pmu_init(void)
pmu_raw_writel(value, EXYNOS5_MASK_WDTRESET_REQUEST);
}
static void exynos5420_pmu_init(void)
{
unsigned int value;
int i;
/*
* Set the CMU_RESET, CMU_SYSCLK and CMU_CLKSTOP registers
* for local power blocks to Low initially as per Table 8-4:
* "System-Level Power-Down Configuration Registers".
*/
for (i = 0; i < ARRAY_SIZE(exynos5420_list_disable_pmu_reg); i++)
pmu_raw_writel(0, exynos5420_list_disable_pmu_reg[i]);
/* Enable USE_STANDBY_WFI for all CORE */
pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION);
value = pmu_raw_readl(EXYNOS_L2_OPTION(0));
value &= ~EXYNOS5_USE_RETENTION;
pmu_raw_writel(value, EXYNOS_L2_OPTION(0));
value = pmu_raw_readl(EXYNOS_L2_OPTION(1));
value &= ~EXYNOS5_USE_RETENTION;
pmu_raw_writel(value, EXYNOS_L2_OPTION(1));
/*
* If L2_COMMON is turned off, clocks related to ATB async
* bridge are gated. Thus, when ISP power is gated, LPI
* may get stuck.
*/
value = pmu_raw_readl(EXYNOS5420_LPI_MASK);
value |= EXYNOS5420_ATB_ISP_ARM;
pmu_raw_writel(value, EXYNOS5420_LPI_MASK);
value = pmu_raw_readl(EXYNOS5420_LPI_MASK1);
value |= EXYNOS5420_ATB_KFC;
pmu_raw_writel(value, EXYNOS5420_LPI_MASK1);
/* Prevent issue of new bus request from L2 memory */
value = pmu_raw_readl(EXYNOS5420_ARM_COMMON_OPTION);
value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN;
pmu_raw_writel(value, EXYNOS5420_ARM_COMMON_OPTION);
value = pmu_raw_readl(EXYNOS5420_KFC_COMMON_OPTION);
value |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN;
pmu_raw_writel(value, EXYNOS5420_KFC_COMMON_OPTION);
/* This setting is to reduce suspend/resume time */
pmu_raw_writel(DUR_WAIT_RESET, EXYNOS5420_LOGIC_RESET_DURATION3);
/* Serialized CPU wakeup of Eagle */
pmu_raw_writel(SPREAD_ENABLE, EXYNOS5420_ARM_INTR_SPREAD_ENABLE);
pmu_raw_writel(SPREAD_USE_STANDWFI,
EXYNOS5420_ARM_INTR_SPREAD_USE_STANDBYWFI);
pmu_raw_writel(0x1, EXYNOS5420_UP_SCHEDULER);
pm_power_off = exynos5_power_off;
pr_info("EXYNOS5420 PMU initialized\n");
}
static const struct exynos_pmu_data exynos4210_pmu_data = {
.pmu_config = exynos4210_pmu_config,
};
@ -458,6 +736,12 @@ static const struct exynos_pmu_data exynos5250_pmu_data = {
.powerdown_conf = exynos5_powerdown_conf,
};
static struct exynos_pmu_data exynos5420_pmu_data = {
.pmu_config = exynos5420_pmu_config,
.pmu_init = exynos5420_pmu_init,
.powerdown_conf = exynos5420_powerdown_conf,
};
/*
* PMU platform driver and devicetree bindings.
*/
@ -474,6 +758,9 @@ static const struct of_device_id exynos_pmu_of_device_ids[] = {
}, {
.compatible = "samsung,exynos5250-pmu",
.data = &exynos5250_pmu_data,
}, {
.compatible = "samsung,exynos5420-pmu",
.data = &exynos5420_pmu_data,
},
{ /*sentinel*/ },
};

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@ -38,6 +38,7 @@
#define S5P_INFORM7 0x081C
#define S5P_PMU_SPARE3 0x090C
#define EXYNOS_IROM_DATA2 0x0988
#define S5P_ARM_CORE0_LOWPWR 0x1000
#define S5P_DIS_IRQ_CORE0 0x1004
#define S5P_DIS_IRQ_CENTRAL0 0x1008
@ -120,6 +121,31 @@
#define EXYNOS_COMMON_OPTION(_nr) \
(EXYNOS_COMMON_CONFIGURATION(_nr) + 0x8)
#define EXYNOS_CORE_LOCAL_PWR_EN 0x3
#define EXYNOS_ARM_COMMON_STATUS 0x2504
#define EXYNOS_COMMON_OPTION(_nr) \
(EXYNOS_COMMON_CONFIGURATION(_nr) + 0x8)
#define EXYNOS_ARM_L2_CONFIGURATION 0x2600
#define EXYNOS_L2_CONFIGURATION(_nr) \
(EXYNOS_ARM_L2_CONFIGURATION + ((_nr) * 0x80))
#define EXYNOS_L2_STATUS(_nr) \
(EXYNOS_L2_CONFIGURATION(_nr) + 0x4)
#define EXYNOS_L2_OPTION(_nr) \
(EXYNOS_L2_CONFIGURATION(_nr) + 0x8)
#define EXYNOS_L2_COMMON_PWR_EN 0x3
#define EXYNOS_ARM_CORE_X_STATUS_OFFSET 0x4
#define EXYNOS5_APLL_SYSCLK_CONFIGURATION 0x2A00
#define EXYNOS5_APLL_SYSCLK_STATUS 0x2A04
#define EXYNOS5_ARM_L2_OPTION 0x2608
#define EXYNOS5_USE_RETENTION BIT(4)
#define EXYNOS5_L2RSTDISABLE_VALUE BIT(3)
#define S5P_PAD_RET_MAUDIO_OPTION 0x3028
#define S5P_PAD_RET_GPIO_OPTION 0x3108
#define S5P_PAD_RET_UART_OPTION 0x3128
@ -193,6 +219,7 @@
#define EXYNOS5_AUTO_WDTRESET_DISABLE 0x0408
#define EXYNOS5_MASK_WDTRESET_REQUEST 0x040C
#define EXYNOS5_USE_RETENTION BIT(4)
#define EXYNOS5_SYS_WDTRESET (1 << 20)
#define EXYNOS5_ARM_CORE0_SYS_PWR_REG 0x1000
@ -332,4 +359,204 @@ static inline unsigned int exynos_pmu_cpunr(unsigned int mpidr)
+ MPIDR_AFFINITY_LEVEL(mpidr, 0));
}
/* Only for EXYNOS5420 */
#define EXYNOS5420_ISP_ARM_OPTION 0x2488
#define EXYNOS5420_L2RSTDISABLE_VALUE BIT(3)
#define EXYNOS5420_LPI_MASK 0x0004
#define EXYNOS5420_LPI_MASK1 0x0008
#define EXYNOS5420_UFS BIT(8)
#define EXYNOS5420_ATB_KFC BIT(13)
#define EXYNOS5420_ATB_ISP_ARM BIT(19)
#define EXYNOS5420_EMULATION BIT(31)
#define ATB_ISP_ARM BIT(12)
#define ATB_KFC BIT(13)
#define ATB_NOC BIT(14)
#define EXYNOS5420_ARM_INTR_SPREAD_ENABLE 0x0100
#define EXYNOS5420_ARM_INTR_SPREAD_USE_STANDBYWFI 0x0104
#define EXYNOS5420_UP_SCHEDULER 0x0120
#define SPREAD_ENABLE 0xF
#define SPREAD_USE_STANDWFI 0xF
#define EXYNOS5420_BB_CON1 0x0784
#define EXYNOS5420_BB_SEL_EN BIT(31)
#define EXYNOS5420_BB_PMOS_EN BIT(7)
#define EXYNOS5420_BB_1300X 0XF
#define EXYNOS5420_ARM_CORE2_SYS_PWR_REG 0x1020
#define EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG 0x1024
#define EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG 0x1028
#define EXYNOS5420_ARM_CORE3_SYS_PWR_REG 0x1030
#define EXYNOS5420_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG 0x1034
#define EXYNOS5420_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG 0x1038
#define EXYNOS5420_KFC_CORE0_SYS_PWR_REG 0x1040
#define EXYNOS5420_DIS_IRQ_KFC_CORE0_LOCAL_SYS_PWR_REG 0x1044
#define EXYNOS5420_DIS_IRQ_KFC_CORE0_CENTRAL_SYS_PWR_REG 0x1048
#define EXYNOS5420_KFC_CORE1_SYS_PWR_REG 0x1050
#define EXYNOS5420_DIS_IRQ_KFC_CORE1_LOCAL_SYS_PWR_REG 0x1054
#define EXYNOS5420_DIS_IRQ_KFC_CORE1_CENTRAL_SYS_PWR_REG 0x1058
#define EXYNOS5420_KFC_CORE2_SYS_PWR_REG 0x1060
#define EXYNOS5420_DIS_IRQ_KFC_CORE2_LOCAL_SYS_PWR_REG 0x1064
#define EXYNOS5420_DIS_IRQ_KFC_CORE2_CENTRAL_SYS_PWR_REG 0x1068
#define EXYNOS5420_KFC_CORE3_SYS_PWR_REG 0x1070
#define EXYNOS5420_DIS_IRQ_KFC_CORE3_LOCAL_SYS_PWR_REG 0x1074
#define EXYNOS5420_DIS_IRQ_KFC_CORE3_CENTRAL_SYS_PWR_REG 0x1078
#define EXYNOS5420_ISP_ARM_SYS_PWR_REG 0x1090
#define EXYNOS5420_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG 0x1094
#define EXYNOS5420_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG 0x1098
#define EXYNOS5420_ARM_COMMON_SYS_PWR_REG 0x10A0
#define EXYNOS5420_KFC_COMMON_SYS_PWR_REG 0x10B0
#define EXYNOS5420_KFC_L2_SYS_PWR_REG 0x10D0
#define EXYNOS5420_DPLL_SYSCLK_SYS_PWR_REG 0x1158
#define EXYNOS5420_IPLL_SYSCLK_SYS_PWR_REG 0x115C
#define EXYNOS5420_KPLL_SYSCLK_SYS_PWR_REG 0x1160
#define EXYNOS5420_RPLL_SYSCLK_SYS_PWR_REG 0x1174
#define EXYNOS5420_SPLL_SYSCLK_SYS_PWR_REG 0x1178
#define EXYNOS5420_INTRAM_MEM_SYS_PWR_REG 0x11B8
#define EXYNOS5420_INTROM_MEM_SYS_PWR_REG 0x11BC
#define EXYNOS5420_ONENANDXL_MEM_SYS_PWR 0x11C0
#define EXYNOS5420_USBDEV_MEM_SYS_PWR 0x11CC
#define EXYNOS5420_USBDEV1_MEM_SYS_PWR 0x11D0
#define EXYNOS5420_SDMMC_MEM_SYS_PWR 0x11D4
#define EXYNOS5420_CSSYS_MEM_SYS_PWR 0x11D8
#define EXYNOS5420_SECSS_MEM_SYS_PWR 0x11DC
#define EXYNOS5420_ROTATOR_MEM_SYS_PWR 0x11E0
#define EXYNOS5420_INTRAM_MEM_SYS_PWR 0x11E4
#define EXYNOS5420_INTROM_MEM_SYS_PWR 0x11E8
#define EXYNOS5420_PAD_RETENTION_JTAG_SYS_PWR_REG 0x1208
#define EXYNOS5420_PAD_RETENTION_DRAM_SYS_PWR_REG 0x1210
#define EXYNOS5420_PAD_RETENTION_UART_SYS_PWR_REG 0x1214
#define EXYNOS5420_PAD_RETENTION_MMC0_SYS_PWR_REG 0x1218
#define EXYNOS5420_PAD_RETENTION_MMC1_SYS_PWR_REG 0x121C
#define EXYNOS5420_PAD_RETENTION_MMC2_SYS_PWR_REG 0x1220
#define EXYNOS5420_PAD_RETENTION_HSI_SYS_PWR_REG 0x1224
#define EXYNOS5420_PAD_RETENTION_EBIA_SYS_PWR_REG 0x1228
#define EXYNOS5420_PAD_RETENTION_EBIB_SYS_PWR_REG 0x122C
#define EXYNOS5420_PAD_RETENTION_SPI_SYS_PWR_REG 0x1230
#define EXYNOS5420_PAD_RETENTION_DRAM_COREBLK_SYS_PWR_REG 0x1234
#define EXYNOS5420_DISP1_SYS_PWR_REG 0x1410
#define EXYNOS5420_MAU_SYS_PWR_REG 0x1414
#define EXYNOS5420_G2D_SYS_PWR_REG 0x1418
#define EXYNOS5420_MSC_SYS_PWR_REG 0x141C
#define EXYNOS5420_FSYS_SYS_PWR_REG 0x1420
#define EXYNOS5420_FSYS2_SYS_PWR_REG 0x1424
#define EXYNOS5420_PSGEN_SYS_PWR_REG 0x1428
#define EXYNOS5420_PERIC_SYS_PWR_REG 0x142C
#define EXYNOS5420_WCORE_SYS_PWR_REG 0x1430
#define EXYNOS5420_CMU_CLKSTOP_DISP1_SYS_PWR_REG 0x1490
#define EXYNOS5420_CMU_CLKSTOP_MAU_SYS_PWR_REG 0x1494
#define EXYNOS5420_CMU_CLKSTOP_G2D_SYS_PWR_REG 0x1498
#define EXYNOS5420_CMU_CLKSTOP_MSC_SYS_PWR_REG 0x149C
#define EXYNOS5420_CMU_CLKSTOP_FSYS_SYS_PWR_REG 0x14A0
#define EXYNOS5420_CMU_CLKSTOP_FSYS2_SYS_PWR_REG 0x14A4
#define EXYNOS5420_CMU_CLKSTOP_PSGEN_SYS_PWR_REG 0x14A8
#define EXYNOS5420_CMU_CLKSTOP_PERIC_SYS_PWR_REG 0x14AC
#define EXYNOS5420_CMU_CLKSTOP_WCORE_SYS_PWR_REG 0x14B0
#define EXYNOS5420_CMU_SYSCLK_TOPPWR_SYS_PWR_REG 0x14BC
#define EXYNOS5420_CMU_SYSCLK_DISP1_SYS_PWR_REG 0x14D0
#define EXYNOS5420_CMU_SYSCLK_MAU_SYS_PWR_REG 0x14D4
#define EXYNOS5420_CMU_SYSCLK_G2D_SYS_PWR_REG 0x14D8
#define EXYNOS5420_CMU_SYSCLK_MSC_SYS_PWR_REG 0x14DC
#define EXYNOS5420_CMU_SYSCLK_FSYS_SYS_PWR_REG 0x14E0
#define EXYNOS5420_CMU_SYSCLK_FSYS2_SYS_PWR_REG 0x14E4
#define EXYNOS5420_CMU_SYSCLK_PSGEN_SYS_PWR_REG 0x14E8
#define EXYNOS5420_CMU_SYSCLK_PERIC_SYS_PWR_REG 0x14EC
#define EXYNOS5420_CMU_SYSCLK_WCORE_SYS_PWR_REG 0x14F0
#define EXYNOS5420_CMU_SYSCLK_SYSMEM_TOPPWR_SYS_PWR_REG 0x14F4
#define EXYNOS5420_CMU_RESET_FSYS2_SYS_PWR_REG 0x1570
#define EXYNOS5420_CMU_RESET_PSGEN_SYS_PWR_REG 0x1574
#define EXYNOS5420_CMU_RESET_PERIC_SYS_PWR_REG 0x1578
#define EXYNOS5420_CMU_RESET_WCORE_SYS_PWR_REG 0x157C
#define EXYNOS5420_CMU_RESET_DISP1_SYS_PWR_REG 0x1590
#define EXYNOS5420_CMU_RESET_MAU_SYS_PWR_REG 0x1594
#define EXYNOS5420_CMU_RESET_G2D_SYS_PWR_REG 0x1598
#define EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG 0x159C
#define EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG 0x15A0
#define EXYNOS5420_SFR_AXI_CGDIS1 0x15E4
#define EXYNOS_ARM_CORE2_CONFIGURATION 0x2100
#define EXYNOS5420_ARM_CORE2_OPTION 0x2108
#define EXYNOS_ARM_CORE3_CONFIGURATION 0x2180
#define EXYNOS5420_ARM_CORE3_OPTION 0x2188
#define EXYNOS5420_ARM_COMMON_STATUS 0x2504
#define EXYNOS5420_ARM_COMMON_OPTION 0x2508
#define EXYNOS5420_KFC_COMMON_STATUS 0x2584
#define EXYNOS5420_KFC_COMMON_OPTION 0x2588
#define EXYNOS5420_LOGIC_RESET_DURATION3 0x2D1C
#define EXYNOS5420_PAD_RET_GPIO_OPTION 0x30C8
#define EXYNOS5420_PAD_RET_UART_OPTION 0x30E8
#define EXYNOS5420_PAD_RET_MMCA_OPTION 0x3108
#define EXYNOS5420_PAD_RET_MMCB_OPTION 0x3128
#define EXYNOS5420_PAD_RET_MMCC_OPTION 0x3148
#define EXYNOS5420_PAD_RET_HSI_OPTION 0x3168
#define EXYNOS5420_PAD_RET_SPI_OPTION 0x31C8
#define EXYNOS5420_PAD_RET_DRAM_COREBLK_OPTION 0x31E8
#define EXYNOS_PAD_RET_DRAM_OPTION 0x3008
#define EXYNOS_PAD_RET_MAUDIO_OPTION 0x3028
#define EXYNOS_PAD_RET_JTAG_OPTION 0x3048
#define EXYNOS_PAD_RET_GPIO_OPTION 0x3108
#define EXYNOS_PAD_RET_UART_OPTION 0x3128
#define EXYNOS_PAD_RET_MMCA_OPTION 0x3148
#define EXYNOS_PAD_RET_MMCB_OPTION 0x3168
#define EXYNOS_PAD_RET_EBIA_OPTION 0x3188
#define EXYNOS_PAD_RET_EBIB_OPTION 0x31A8
#define EXYNOS_PS_HOLD_CONTROL 0x330C
/* For SYS_PWR_REG */
#define EXYNOS_SYS_PWR_CFG BIT(0)
#define EXYNOS5420_MFC_CONFIGURATION 0x4060
#define EXYNOS5420_MFC_STATUS 0x4064
#define EXYNOS5420_MFC_OPTION 0x4068
#define EXYNOS5420_G3D_CONFIGURATION 0x4080
#define EXYNOS5420_G3D_STATUS 0x4084
#define EXYNOS5420_G3D_OPTION 0x4088
#define EXYNOS5420_DISP0_CONFIGURATION 0x40A0
#define EXYNOS5420_DISP0_STATUS 0x40A4
#define EXYNOS5420_DISP0_OPTION 0x40A8
#define EXYNOS5420_DISP1_CONFIGURATION 0x40C0
#define EXYNOS5420_DISP1_STATUS 0x40C4
#define EXYNOS5420_DISP1_OPTION 0x40C8
#define EXYNOS5420_MAU_CONFIGURATION 0x40E0
#define EXYNOS5420_MAU_STATUS 0x40E4
#define EXYNOS5420_MAU_OPTION 0x40E8
#define EXYNOS5420_FSYS2_OPTION 0x4168
#define EXYNOS5420_PSGEN_OPTION 0x4188
/* For EXYNOS_CENTRAL_SEQ_OPTION */
#define EXYNOS5_USE_STANDBYWFI_ARM_CORE0 BIT(16)
#define EXYNOS5_USE_STANDBYWFI_ARM_CORE1 BUT(17)
#define EXYNOS5_USE_STANDBYWFE_ARM_CORE0 BIT(24)
#define EXYNOS5_USE_STANDBYWFE_ARM_CORE1 BIT(25)
#define EXYNOS5420_ARM_USE_STANDBY_WFI0 BIT(4)
#define EXYNOS5420_ARM_USE_STANDBY_WFI1 BIT(5)
#define EXYNOS5420_ARM_USE_STANDBY_WFI2 BIT(6)
#define EXYNOS5420_ARM_USE_STANDBY_WFI3 BIT(7)
#define EXYNOS5420_KFC_USE_STANDBY_WFI0 BIT(8)
#define EXYNOS5420_KFC_USE_STANDBY_WFI1 BIT(9)
#define EXYNOS5420_KFC_USE_STANDBY_WFI2 BIT(10)
#define EXYNOS5420_KFC_USE_STANDBY_WFI3 BIT(11)
#define EXYNOS5420_ARM_USE_STANDBY_WFE0 BIT(16)
#define EXYNOS5420_ARM_USE_STANDBY_WFE1 BIT(17)
#define EXYNOS5420_ARM_USE_STANDBY_WFE2 BIT(18)
#define EXYNOS5420_ARM_USE_STANDBY_WFE3 BIT(19)
#define EXYNOS5420_KFC_USE_STANDBY_WFE0 BIT(20)
#define EXYNOS5420_KFC_USE_STANDBY_WFE1 BIT(21)
#define EXYNOS5420_KFC_USE_STANDBY_WFE2 BIT(22)
#define EXYNOS5420_KFC_USE_STANDBY_WFE3 BIT(23)
#define DUR_WAIT_RESET 0xF
#define EXYNOS5420_USE_STANDBY_WFI_ALL (EXYNOS5420_ARM_USE_STANDBY_WFI0 \
| EXYNOS5420_ARM_USE_STANDBY_WFI1 \
| EXYNOS5420_ARM_USE_STANDBY_WFI2 \
| EXYNOS5420_ARM_USE_STANDBY_WFI3 \
| EXYNOS5420_KFC_USE_STANDBY_WFI0 \
| EXYNOS5420_KFC_USE_STANDBY_WFI1 \
| EXYNOS5420_KFC_USE_STANDBY_WFI2 \
| EXYNOS5420_KFC_USE_STANDBY_WFI3)
#endif /* __ASM_ARCH_REGS_PMU_H */