diff options
Diffstat (limited to 'plat/mediatek/drivers/dcm')
-rw-r--r-- | plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.c | 402 | ||||
-rw-r--r-- | plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.h | 59 | ||||
-rw-r--r-- | plat/mediatek/drivers/dcm/mtk_dcm.c | 84 | ||||
-rw-r--r-- | plat/mediatek/drivers/dcm/mtk_dcm.h | 15 | ||||
-rw-r--r-- | plat/mediatek/drivers/dcm/rules.mk | 17 |
5 files changed, 577 insertions, 0 deletions
diff --git a/plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.c b/plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.c new file mode 100644 index 0000000..c054de9 --- /dev/null +++ b/plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.c @@ -0,0 +1,402 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <lib/mmio.h> +#include <lib/utils_def.h> +#include <mtk_dcm_utils.h> + +#define MP_CPUSYS_TOP_ADB_DCM_REG0_MASK BIT(17) +#define MP_CPUSYS_TOP_ADB_DCM_REG1_MASK (BIT(15) | BIT(16) | BIT(17) | \ + BIT(18) | BIT(21)) +#define MP_CPUSYS_TOP_ADB_DCM_REG2_MASK (BIT(15) | BIT(16) | BIT(17) | BIT(18)) +#define MP_CPUSYS_TOP_ADB_DCM_REG0_ON BIT(17) +#define MP_CPUSYS_TOP_ADB_DCM_REG1_ON (BIT(15) | BIT(16) | BIT(17) | \ + BIT(18) | BIT(21)) +#define MP_CPUSYS_TOP_ADB_DCM_REG2_ON (BIT(15) | BIT(16) | BIT(17) | BIT(18)) +#define MP_CPUSYS_TOP_ADB_DCM_REG0_OFF (0x0 << 17) +#define MP_CPUSYS_TOP_ADB_DCM_REG1_OFF ((0x0 << 15) | (0x0 << 16) | \ + (0x0 << 17) | (0x0 << 18) | \ + (0x0 << 21)) +#define MP_CPUSYS_TOP_ADB_DCM_REG2_OFF ((0x0 << 15) | (0x0 << 16) | \ + (0x0 << 17) | (0x0 << 18)) + +bool dcm_mp_cpusys_top_adb_dcm_is_on(void) +{ + bool ret = true; + + ret &= dcm_check_state(MP_CPUSYS_TOP_MP_ADB_DCM_CFG0, + MP_CPUSYS_TOP_ADB_DCM_REG0_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG0_ON); + ret &= dcm_check_state(MP_CPUSYS_TOP_MP_ADB_DCM_CFG4, + MP_CPUSYS_TOP_ADB_DCM_REG1_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG1_ON); + ret &= dcm_check_state(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0, + MP_CPUSYS_TOP_ADB_DCM_REG2_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG2_ON); + + return ret; +} + +void dcm_mp_cpusys_top_adb_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_adb_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG0, + MP_CPUSYS_TOP_ADB_DCM_REG0_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG0_ON); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG4, + MP_CPUSYS_TOP_ADB_DCM_REG1_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG1_ON); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0, + MP_CPUSYS_TOP_ADB_DCM_REG2_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG2_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_adb_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG0, + MP_CPUSYS_TOP_ADB_DCM_REG0_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG0_OFF); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG4, + MP_CPUSYS_TOP_ADB_DCM_REG1_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG1_OFF); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0, + MP_CPUSYS_TOP_ADB_DCM_REG2_MASK, + MP_CPUSYS_TOP_ADB_DCM_REG2_OFF); + } +} + +#define MP_CPUSYS_TOP_APB_DCM_REG0_MASK BIT(5) +#define MP_CPUSYS_TOP_APB_DCM_REG1_MASK BIT(8) +#define MP_CPUSYS_TOP_APB_DCM_REG2_MASK BIT(16) +#define MP_CPUSYS_TOP_APB_DCM_REG0_ON BIT(5) +#define MP_CPUSYS_TOP_APB_DCM_REG1_ON BIT(8) +#define MP_CPUSYS_TOP_APB_DCM_REG2_ON BIT(16) +#define MP_CPUSYS_TOP_APB_DCM_REG0_OFF (0x0 << 5) +#define MP_CPUSYS_TOP_APB_DCM_REG1_OFF (0x0 << 8) +#define MP_CPUSYS_TOP_APB_DCM_REG2_OFF (0x0 << 16) + +bool dcm_mp_cpusys_top_apb_dcm_is_on(void) +{ + bool ret = true; + + ret &= dcm_check_state(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG0_MASK, + MP_CPUSYS_TOP_APB_DCM_REG0_ON); + ret &= dcm_check_state(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG1_MASK, + MP_CPUSYS_TOP_APB_DCM_REG1_ON); + ret &= dcm_check_state(MP_CPUSYS_TOP_MP0_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG2_MASK, + MP_CPUSYS_TOP_APB_DCM_REG2_ON); + + return ret; +} + +void dcm_mp_cpusys_top_apb_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_apb_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG0_MASK, + MP_CPUSYS_TOP_APB_DCM_REG0_ON); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG1_MASK, + MP_CPUSYS_TOP_APB_DCM_REG1_ON); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG2_MASK, + MP_CPUSYS_TOP_APB_DCM_REG2_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_apb_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG0_MASK, + MP_CPUSYS_TOP_APB_DCM_REG0_OFF); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG1_MASK, + MP_CPUSYS_TOP_APB_DCM_REG1_OFF); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0, + MP_CPUSYS_TOP_APB_DCM_REG2_MASK, + MP_CPUSYS_TOP_APB_DCM_REG2_OFF); + } +} + +#define MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK (BIT(11) | BIT(24) | BIT(25)) +#define MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_ON (BIT(11) | BIT(24) | BIT(25)) +#define MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_OFF ((0x0 << 11) | \ + (0x0 << 24) | \ + (0x0 << 25)) + +bool dcm_mp_cpusys_top_bus_pll_div_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_BUS_PLLDIV_CFG, + MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK, + MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_bus_pll_div_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_bus_pll_div_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG, + MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK, + MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_bus_pll_div_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG, + MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK, + MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK BIT(0) +#define MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_ON BIT(0) +#define MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_OFF (0x0 << 0) + +bool dcm_mp_cpusys_top_core_stall_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_MP0_DCM_CFG7, + MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK, + MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_core_stall_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_core_stall_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7, + MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK, + MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_core_stall_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7, + MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK, + MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK (0xffff << 0) +#define MP_CPUSYS_TOP_CPUBIU_DCM_REG0_ON (0xffff << 0) +#define MP_CPUSYS_TOP_CPUBIU_DCM_REG0_OFF (0x0 << 0) + +bool dcm_mp_cpusys_top_cpubiu_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_MCSIC_DCM0, + MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPUBIU_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_cpubiu_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_cpubiu_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MCSIC_DCM0, + MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPUBIU_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_cpubiu_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MCSIC_DCM0, + MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPUBIU_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK (BIT(24) | BIT(25)) +#define MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_ON (BIT(24) | BIT(25)) +#define MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_OFF ((0x0 << 24) | (0x0 << 25)) + +bool dcm_mp_cpusys_top_cpu_pll_div_0_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_CPU_PLLDIV_CFG0, + MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_cpu_pll_div_0_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_cpu_pll_div_0_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG0, + MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_cpu_pll_div_0_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG0, + MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK (BIT(24) | BIT(25)) +#define MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_ON (BIT(24) | BIT(25)) +#define MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_OFF ((0x0 << 24) | (0x0 << 25)) + +bool dcm_mp_cpusys_top_cpu_pll_div_1_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_CPU_PLLDIV_CFG1, + MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_cpu_pll_div_1_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_cpu_pll_div_1_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG1, + MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_cpu_pll_div_1_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG1, + MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK, + MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK BIT(4) +#define MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_ON BIT(4) +#define MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_OFF (0x0 << 4) + +bool dcm_mp_cpusys_top_fcm_stall_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_MP0_DCM_CFG7, + MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK, + MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_fcm_stall_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_fcm_stall_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7, + MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK, + MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_fcm_stall_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7, + MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK, + MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK BIT(31) +#define MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_ON BIT(31) +#define MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_OFF (0x0U << 31) + +bool dcm_mp_cpusys_top_last_cor_idle_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_BUS_PLLDIV_CFG, + MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK, + MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_last_cor_idle_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_last_cor_idle_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG, + MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK, + MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_last_cor_idle_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG, + MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK, + MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_MISC_DCM_REG0_MASK (BIT(1) | BIT(4)) +#define MP_CPUSYS_TOP_MISC_DCM_REG0_ON (BIT(1) | BIT(4)) +#define MP_CPUSYS_TOP_MISC_DCM_REG0_OFF ((0x0 << 1) | (0x0 << 4)) + +bool dcm_mp_cpusys_top_misc_dcm_is_on(void) +{ + return dcm_check_state(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_MISC_DCM_REG0_MASK, + MP_CPUSYS_TOP_MISC_DCM_REG0_ON); +} + +void dcm_mp_cpusys_top_misc_dcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_misc_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_MISC_DCM_REG0_MASK, + MP_CPUSYS_TOP_MISC_DCM_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_misc_dcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_MISC_DCM_REG0_MASK, + MP_CPUSYS_TOP_MISC_DCM_REG0_OFF); + } +} + +#define MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK BIT(3) +#define MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3)) +#define MP_CPUSYS_TOP_MP0_QDCM_REG0_ON BIT(3) +#define MP_CPUSYS_TOP_MP0_QDCM_REG1_ON (BIT(0) | BIT(1) | BIT(2) | BIT(3)) +#define MP_CPUSYS_TOP_MP0_QDCM_REG0_OFF ((0x0 << 3)) +#define MP_CPUSYS_TOP_MP0_QDCM_REG1_OFF ((0x0 << 0) | (0x0 << 1) | \ + (0x0 << 2) | (0x0 << 3)) + +bool dcm_mp_cpusys_top_mp0_qdcm_is_on(void) +{ + bool ret = true; + + ret &= dcm_check_state(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK, + MP_CPUSYS_TOP_MP0_QDCM_REG0_ON); + ret &= dcm_check_state(MP_CPUSYS_TOP_MP0_DCM_CFG0, + MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK, + MP_CPUSYS_TOP_MP0_QDCM_REG1_ON); + + return ret; +} + +void dcm_mp_cpusys_top_mp0_qdcm(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'mp_cpusys_top_mp0_qdcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK, + MP_CPUSYS_TOP_MP0_QDCM_REG0_ON); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0, + MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK, + MP_CPUSYS_TOP_MP0_QDCM_REG1_ON); + } else { + /* TINFO = "Turn OFF DCM 'mp_cpusys_top_mp0_qdcm'" */ + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0, + MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK, + MP_CPUSYS_TOP_MP0_QDCM_REG0_OFF); + mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0, + MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK, + MP_CPUSYS_TOP_MP0_QDCM_REG1_OFF); + } +} + +#define CPCCFG_REG_EMI_WFIFO_REG0_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3)) +#define CPCCFG_REG_EMI_WFIFO_REG0_ON (BIT(0) | BIT(1) | BIT(2) | BIT(3)) +#define CPCCFG_REG_EMI_WFIFO_REG0_OFF ((0x0 << 0) | (0x0 << 1) | \ + (0x0 << 2) | (0x0 << 3)) + +bool dcm_cpccfg_reg_emi_wfifo_is_on(void) +{ + return dcm_check_state(CPCCFG_REG_EMI_WFIFO, + CPCCFG_REG_EMI_WFIFO_REG0_MASK, + CPCCFG_REG_EMI_WFIFO_REG0_ON); +} + +void dcm_cpccfg_reg_emi_wfifo(bool on) +{ + if (on) { + /* TINFO = "Turn ON DCM 'cpccfg_reg_emi_wfifo'" */ + mmio_clrsetbits_32(CPCCFG_REG_EMI_WFIFO, + CPCCFG_REG_EMI_WFIFO_REG0_MASK, + CPCCFG_REG_EMI_WFIFO_REG0_ON); + } else { + /* TINFO = "Turn OFF DCM 'cpccfg_reg_emi_wfifo'" */ + mmio_clrsetbits_32(CPCCFG_REG_EMI_WFIFO, + CPCCFG_REG_EMI_WFIFO_REG0_MASK, + CPCCFG_REG_EMI_WFIFO_REG0_OFF); + } +} diff --git a/plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.h b/plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.h new file mode 100644 index 0000000..5d758dd --- /dev/null +++ b/plat/mediatek/drivers/dcm/mt8188/mtk_dcm_utils.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef MTK_DCM_UTILS_H +#define MTK_DCM_UTILS_H + +#include <stdbool.h> + +#include <mtk_dcm.h> +#include <platform_def.h> + +/* Base */ +#define MP_CPUSYS_TOP_BASE (MCUCFG_BASE + 0x8000) +#define CPCCFG_REG_BASE (MCUCFG_BASE + 0xA800) + +/* Register Definition */ +#define CPCCFG_REG_EMI_WFIFO (CPCCFG_REG_BASE + 0x100) +#define MP_CPUSYS_TOP_CPU_PLLDIV_CFG0 (MP_CPUSYS_TOP_BASE + 0x22a0) +#define MP_CPUSYS_TOP_CPU_PLLDIV_CFG1 (MP_CPUSYS_TOP_BASE + 0x22a4) +#define MP_CPUSYS_TOP_BUS_PLLDIV_CFG (MP_CPUSYS_TOP_BASE + 0x22e0) +#define MP_CPUSYS_TOP_MCSIC_DCM0 (MP_CPUSYS_TOP_BASE + 0x2440) +#define MP_CPUSYS_TOP_MP_ADB_DCM_CFG0 (MP_CPUSYS_TOP_BASE + 0x2500) +#define MP_CPUSYS_TOP_MP_ADB_DCM_CFG4 (MP_CPUSYS_TOP_BASE + 0x2510) +#define MP_CPUSYS_TOP_MP_MISC_DCM_CFG0 (MP_CPUSYS_TOP_BASE + 0x2518) +#define MP_CPUSYS_TOP_MCUSYS_DCM_CFG0 (MP_CPUSYS_TOP_BASE + 0x25c0) +#define MP_CPUSYS_TOP_MP0_DCM_CFG0 (MP_CPUSYS_TOP_BASE + 0x4880) +#define MP_CPUSYS_TOP_MP0_DCM_CFG7 (MP_CPUSYS_TOP_BASE + 0x489c) + +/* MP_CPUSYS_TOP */ +bool dcm_mp_cpusys_top_adb_dcm_is_on(void); +void dcm_mp_cpusys_top_adb_dcm(bool on); +bool dcm_mp_cpusys_top_apb_dcm_is_on(void); +void dcm_mp_cpusys_top_apb_dcm(bool on); +bool dcm_mp_cpusys_top_bus_pll_div_dcm_is_on(void); +void dcm_mp_cpusys_top_bus_pll_div_dcm(bool on); +bool dcm_mp_cpusys_top_core_stall_dcm_is_on(void); +void dcm_mp_cpusys_top_core_stall_dcm(bool on); +bool dcm_mp_cpusys_top_cpubiu_dcm_is_on(void); +void dcm_mp_cpusys_top_cpubiu_dcm(bool on); +bool dcm_mp_cpusys_top_cpu_pll_div_0_dcm_is_on(void); +void dcm_mp_cpusys_top_cpu_pll_div_0_dcm(bool on); +bool dcm_mp_cpusys_top_cpu_pll_div_1_dcm_is_on(void); +void dcm_mp_cpusys_top_cpu_pll_div_1_dcm(bool on); +bool dcm_mp_cpusys_top_fcm_stall_dcm_is_on(void); +void dcm_mp_cpusys_top_fcm_stall_dcm(bool on); +bool dcm_mp_cpusys_top_last_cor_idle_dcm_is_on(void); +void dcm_mp_cpusys_top_last_cor_idle_dcm(bool on); +bool dcm_mp_cpusys_top_misc_dcm_is_on(void); +void dcm_mp_cpusys_top_misc_dcm(bool on); +bool dcm_mp_cpusys_top_mp0_qdcm_is_on(void); +void dcm_mp_cpusys_top_mp0_qdcm(bool on); +/* CPCCFG_REG */ +bool dcm_cpccfg_reg_emi_wfifo_is_on(void); +void dcm_cpccfg_reg_emi_wfifo(bool on); + +#endif diff --git a/plat/mediatek/drivers/dcm/mtk_dcm.c b/plat/mediatek/drivers/dcm/mtk_dcm.c new file mode 100644 index 0000000..ca79a20 --- /dev/null +++ b/plat/mediatek/drivers/dcm/mtk_dcm.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> +#include <lib/mmio.h> +#include <lib/mtk_init/mtk_init.h> +#include <mtk_dcm.h> +#include <mtk_dcm_utils.h> + +static void dcm_armcore(bool mode) +{ + dcm_mp_cpusys_top_bus_pll_div_dcm(mode); + dcm_mp_cpusys_top_cpu_pll_div_0_dcm(mode); + dcm_mp_cpusys_top_cpu_pll_div_1_dcm(mode); +} + +static void dcm_mcusys(bool on) +{ + dcm_mp_cpusys_top_adb_dcm(on); + dcm_mp_cpusys_top_apb_dcm(on); + dcm_mp_cpusys_top_cpubiu_dcm(on); + dcm_mp_cpusys_top_misc_dcm(on); + dcm_mp_cpusys_top_mp0_qdcm(on); + + /* CPCCFG_REG */ + dcm_cpccfg_reg_emi_wfifo(on); + dcm_mp_cpusys_top_last_cor_idle_dcm(on); +} + +static void dcm_stall(bool on) +{ + dcm_mp_cpusys_top_core_stall_dcm(on); + dcm_mp_cpusys_top_fcm_stall_dcm(on); +} + +static bool check_dcm_state(void) +{ + bool ret = true; + + ret &= dcm_mp_cpusys_top_bus_pll_div_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpu_pll_div_0_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpu_pll_div_1_dcm_is_on(); + + ret &= dcm_mp_cpusys_top_adb_dcm_is_on(); + ret &= dcm_mp_cpusys_top_apb_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpubiu_dcm_is_on(); + ret &= dcm_mp_cpusys_top_misc_dcm_is_on(); + ret &= dcm_mp_cpusys_top_mp0_qdcm_is_on(); + ret &= dcm_cpccfg_reg_emi_wfifo_is_on(); + ret &= dcm_mp_cpusys_top_last_cor_idle_dcm_is_on(); + + ret &= dcm_mp_cpusys_top_core_stall_dcm_is_on(); + ret &= dcm_mp_cpusys_top_fcm_stall_dcm_is_on(); + + return ret; +} + +bool dcm_check_state(uintptr_t addr, unsigned int mask, unsigned int compare) +{ + return ((mmio_read_32(addr) & mask) == compare); +} + +int dcm_set_init(void) +{ + int ret; + + dcm_armcore(true); + dcm_mcusys(true); + dcm_stall(true); + + if (check_dcm_state() == false) { + ERROR("Failed to set default dcm on!!\n"); + ret = -1; + } else { + INFO("%s, dcm pass\n", __func__); + ret = 0; + } + + return ret; +} +MTK_PLAT_SETUP_0_INIT(dcm_set_init); diff --git a/plat/mediatek/drivers/dcm/mtk_dcm.h b/plat/mediatek/drivers/dcm/mtk_dcm.h new file mode 100644 index 0000000..05f8d45 --- /dev/null +++ b/plat/mediatek/drivers/dcm/mtk_dcm.h @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef MTK_DCM_H +#define MTK_DCM_H + +#include <stdbool.h> + +bool dcm_check_state(uintptr_t addr, unsigned int mask, unsigned int compare); +int dcm_set_init(void); + +#endif /* #ifndef MTK_DCM_H */ diff --git a/plat/mediatek/drivers/dcm/rules.mk b/plat/mediatek/drivers/dcm/rules.mk new file mode 100644 index 0000000..a8ee05e --- /dev/null +++ b/plat/mediatek/drivers/dcm/rules.mk @@ -0,0 +1,17 @@ +# +# Copyright (c) 2022, MediaTek Inc. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +LOCAL_DIR := $(call GET_LOCAL_DIR) + +MODULE := mtk_dcm + +LOCAL_SRCS-y := ${LOCAL_DIR}/mtk_dcm.c +LOCAL_SRCS-y += ${LOCAL_DIR}/${MTK_SOC}/mtk_dcm_utils.c + +PLAT_INCLUDES += -I${LOCAL_DIR} +PLAT_INCLUDES += -I${LOCAL_DIR}/${MTK_SOC} + +$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL))) |