From ed7bb850310ec579db0b53a9dda4ad411c68f998 Mon Sep 17 00:00:00 2001 From: Hsin-Hsiung Wang Date: Fri, 29 May 2020 20:54:40 +0800 Subject: soc/mediatek/mt8192: add pmic MT6359P driver MT6359P is a PMIC chipset for Mediatek MT8192 platform. Reference datasheet: MT6359_PMIC_Data_Sheet_V1.5.docx, RH-D-2018-0205. BUG=b:155253454 BRANCH=none TEST=boot asurada correctly Signed-off-by: Hsin-Hsiung Wang Change-Id: I62f69490165539847b8b7260942644533b15285b Reviewed-on: https://review.coreboot.org/c/coreboot/+/45399 Reviewed-by: Hung-Te Lin Reviewed-by: Yu-Ping Wu Tested-by: build bot (Jenkins) --- src/mainboard/google/asurada/romstage.c | 2 + src/soc/mediatek/mt8192/Makefile.inc | 3 + src/soc/mediatek/mt8192/bootblock.c | 2 + src/soc/mediatek/mt8192/include/soc/mt6359p.h | 49 +++ src/soc/mediatek/mt8192/mt6359p.c | 448 ++++++++++++++++++++++++++ 5 files changed, 504 insertions(+) create mode 100644 src/soc/mediatek/mt8192/include/soc/mt6359p.h create mode 100644 src/soc/mediatek/mt8192/mt6359p.c (limited to 'src') diff --git a/src/mainboard/google/asurada/romstage.c b/src/mainboard/google/asurada/romstage.c index a0e0818e01..47c1fb2268 100644 --- a/src/mainboard/google/asurada/romstage.c +++ b/src/mainboard/google/asurada/romstage.c @@ -6,6 +6,7 @@ #include #include #include +#include /* This must be defined in chromeos.fmd in same name and size. */ #define CALIBRATION_REGION "RW_DDR_TRAINING" @@ -43,6 +44,7 @@ static struct dramc_param_ops dparam_ops = { void platform_romstage_main(void) { + mt6359p_romstage_init(); mt_mem_init(&dparam_ops); mtk_mmu_after_dram(); } diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc index 9c21b4da8a..e4f7063787 100644 --- a/src/soc/mediatek/mt8192/Makefile.inc +++ b/src/soc/mediatek/mt8192/Makefile.inc @@ -10,6 +10,7 @@ bootblock-y += ../common/timer.c bootblock-y += ../common/uart.c bootblock-y += ../common/wdt.c bootblock-y += pmif.c pmif_clk.c pmif_spi.c pmif_spmi.c +bootblock-y += mt6359p.c verstage-y += flash_controller.c verstage-y += ../common/gpio.c gpio.c @@ -26,6 +27,8 @@ romstage-y += memory.c dramc_param.c ../common/memory_test.c romstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c romstage-y += ../common/timer.c romstage-y += ../common/uart.c +romstage-y += pmif.c pmif_clk.c pmif_spi.c pmif_spmi.c +romstage-y += mt6359p.c ramstage-y += flash_controller.c ramstage-y += ../common/gpio.c gpio.c diff --git a/src/soc/mediatek/mt8192/bootblock.c b/src/soc/mediatek/mt8192/bootblock.c index 0852f0ede8..d9cb684adf 100644 --- a/src/soc/mediatek/mt8192/bootblock.c +++ b/src/soc/mediatek/mt8192/bootblock.c @@ -2,6 +2,7 @@ #include #include +#include #include #include #include @@ -12,4 +13,5 @@ void bootblock_soc_init(void) mtk_wdt_init(); mt_pll_init(); mtk_pmif_init(); + mt6359p_init(); } diff --git a/src/soc/mediatek/mt8192/include/soc/mt6359p.h b/src/soc/mediatek/mt8192/include/soc/mt6359p.h new file mode 100644 index 0000000000..b90e0f55ed --- /dev/null +++ b/src/soc/mediatek/mt8192/include/soc/mt6359p.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __SOC_MEDIATEK_MT6359P_H__ +#define __SOC_MEDIATEK_MT6359P_H__ + +#include + +enum { + PMIC_HWCID = 0x0008, + PMIC_SWCID = 0x000a, + PMIC_TOP_RST_MISC_SET = 0x014c, + PMIC_TOP_RST_MISC_CLR = 0x014e, + PMIC_PWRHOLD = 0x0a08, + PMIC_VGPU11_DBG0 = 0x15a6, + PMIC_VGPU11_ELR0 = 0x15b4, + PMIC_VS2_VOTER = 0x18aa, + PMIC_VS2_VOTER_CFG = 0x18b0, + PMIC_VS2_ELR0 = 0x18b4, + PMIC_VSRAM_PROC1_ELR = 0x1b44, + PMIC_VSRAM_PROC2_ELR = 0x1b46, + PMIC_VSRAM_PROC1_VOSEL1 = 0x1e90, + PMIC_VSRAM_PROC2_VOSEL1 = 0x1eb0, + PMIC_VM18_ANA_CON0 = 0x2020, +}; + +struct pmic_setting { + unsigned short addr; + unsigned short val; + unsigned short mask; + unsigned char shift; +}; + +enum { + MT6359P_GPU11 = 0, + MT6359P_SRAM_PROC1, + MT6359P_SRAM_PROC2, + MT6359P_MAX, +}; + +#define VM18_VOL_REG_SHIFT 8 +#define VM18_VOL_OFFSET 600 + +void mt6359p_init(void); +void mt6359p_romstage_init(void); +void mt6359p_buck_set_voltage(u32 buck_id, u32 buck_uv); +u32 mt6359p_buck_get_voltage(u32 buck_id); +void mt6359p_set_vm18_voltage(u32 vm18_uv); +u32 mt6359p_get_vm18_voltage(void); +#endif /* __SOC_MEDIATEK_MT6359P_H__ */ diff --git a/src/soc/mediatek/mt8192/mt6359p.c b/src/soc/mediatek/mt8192/mt6359p.c new file mode 100644 index 0000000000..1646e534e4 --- /dev/null +++ b/src/soc/mediatek/mt8192/mt6359p.c @@ -0,0 +1,448 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include + +static const struct pmic_setting init_setting[] = { + {0x20, 0xA, 0xA, 0}, + {0x24, 0x1F00, 0x1F00, 0}, + {0x30, 0x1, 0x1, 0}, + {0x32, 0x1, 0x1, 0}, + {0x94, 0x0, 0xFFFF, 0}, + {0x10C, 0x10, 0x10, 0}, + {0x112, 0x4, 0x4, 0}, + {0x118, 0x8, 0x8, 0}, + {0x14A, 0x20, 0x20, 0}, + {0x198, 0x0, 0x1FF, 0}, + {0x1B2, 0x3, 0x3, 0}, + {0x3B0, 0x0, 0x300, 0}, + {0x790, 0x3, 0x3, 0}, + {0x7A6, 0xF800, 0xFC00, 0}, + {0x7A8, 0x0, 0x280, 0}, + {0x98A, 0x80, 0x80, 0}, + {0x992, 0xF00, 0xF00, 0}, + {0xA08, 0x1, 0x1, 0}, + {0xA0C, 0x300, 0x300, 0}, + {0xA10, 0x0, 0x4000, 0}, + {0xA12, 0x1E0, 0x1E0, 0}, + {0xA24, 0xFFFF, 0xFFFF, 0}, + {0xA26, 0xFFE0, 0xFFE0, 0}, + {0xA2C, 0xC0DF, 0xC0DF, 0}, + {0xA2E, 0xEBE0, 0xEBE0, 0}, + {0xA34, 0x8000, 0x8000, 0}, + {0xA3C, 0x1C00, 0x1F00, 0}, + {0xA3E, 0x341, 0x7FFF, 0}, + {0xA40, 0x1042, 0x7FFF, 0}, + {0xA42, 0xC05, 0x7FFF, 0}, + {0xA44, 0x20E5, 0x7FFF, 0}, + {0xA46, 0x2652, 0x7FFF, 0}, + {0xA48, 0x716A, 0x7FFF, 0}, + {0xA4A, 0x62EC, 0x7FFF, 0}, + {0xA4C, 0x5676, 0x7FFF, 0}, + {0xA4E, 0x6F34, 0x7FFF, 0}, + {0xA50, 0xC0, 0x7FFF, 0}, + {0xA9C, 0x4000, 0x4000, 0}, + {0xA9E, 0x2E11, 0xFF11, 0}, + {0xF8C, 0x115, 0x115, 0}, + {0x1188, 0x0, 0x8000, 0}, + {0x1198, 0x13, 0x3FF, 0}, + {0x119E, 0x6000, 0x7000, 0}, + {0x11D4, 0x0, 0x2, 0}, + {0x1212, 0x0, 0x2, 0}, + {0x1224, 0x0, 0x2, 0}, + {0x1238, 0x0, 0x2, 0}, + {0x124A, 0x0, 0x2, 0}, + {0x125C, 0x0, 0x2, 0}, + {0x125E, 0x0, 0x8000, 0}, + {0x1260, 0x1, 0xFFF, 0}, + {0x1262, 0x4, 0x4, 0}, + {0x1412, 0x8, 0x8, 0}, + {0x148E, 0x18, 0x7F, 0}, + {0x1492, 0x505, 0x7F7F, 0}, + {0x1514, 0x2, 0x2, 0}, + {0x1520, 0x0, 0x2, 0}, + {0x152C, 0x7F, 0x7F, 0}, + {0x158E, 0x18, 0x7F, 0}, + {0x1592, 0xC00, 0x7F00, 0}, + {0x160E, 0x18, 0x7F, 0}, + {0x1694, 0x2, 0x2, 0}, + {0x16A0, 0x0, 0x2, 0}, + {0x16AE, 0x50, 0x7F, 0}, + {0x170E, 0x18, 0x7F, 0}, + {0x178E, 0x18, 0x7F, 0}, + {0x198A, 0x5004, 0x502C, 0}, + {0x198C, 0x11, 0x3F, 0}, + {0x198E, 0x1E0, 0x1E0, 0}, + {0x1990, 0xFD, 0xFF, 0}, + {0x1994, 0x10, 0x38, 0}, + {0x1996, 0x2004, 0xA02C, 0}, + {0x1998, 0x11, 0x3F, 0}, + {0x199A, 0xFB78, 0xFF78, 0}, + {0x199E, 0x2, 0x7, 0}, + {0x19A0, 0x1050, 0x10F1, 0}, + {0x19A2, 0x18, 0x38, 0}, + {0x19A4, 0xF, 0xF, 0}, + {0x19A6, 0x30, 0xFF, 0}, + {0x19AC, 0x4200, 0x4680, 0}, + {0x19AE, 0x6E, 0x7E, 0}, + {0x19B0, 0x3C00, 0x3C00, 0}, + {0x19B4, 0x20FD, 0xFFFF, 0}, + {0x1A08, 0x4200, 0x4680, 0}, + {0x1A0A, 0x6E, 0x7E, 0}, + {0x1A0C, 0x3C00, 0x3C00, 0}, + {0x1A10, 0x20FD, 0xFFFF, 0}, + {0x1A14, 0x4208, 0x4698, 0}, + {0x1A16, 0x46, 0x7E, 0}, + {0x1A18, 0x3C00, 0x3C00, 0}, + {0x1A1C, 0x30FF, 0xFFFF, 0}, + {0x1A1E, 0x0, 0x200, 0}, + {0x1A20, 0x4208, 0x4698, 0}, + {0x1A22, 0x4A, 0x7E, 0}, + {0x1A24, 0x3C00, 0x3C00, 0}, + {0x1A28, 0x3000, 0xFF00, 0}, + {0x1A2C, 0x20, 0x74, 0}, + {0x1A2E, 0x1E, 0x1E, 0}, + {0x1A30, 0x42, 0xFF, 0}, + {0x1A32, 0x480, 0x7E0, 0}, + {0x1A34, 0x20, 0x74, 0}, + {0x1A36, 0x1E, 0x1E, 0}, + {0x1A38, 0x42, 0xFF, 0}, + {0x1A3A, 0x480, 0x7E0, 0}, + {0x1A3C, 0x14C, 0x3CC, 0}, + {0x1A3E, 0x23C, 0x3FC, 0}, + {0x1A40, 0xC400, 0xFF00, 0}, + {0x1A42, 0x80, 0xFF, 0}, + {0x1A44, 0x702C, 0xFF2C, 0}, + {0x1B0E, 0xF, 0xF, 0}, + {0x1B10, 0x1, 0x1, 0}, + {0x1B14, 0xFFFF, 0xFFFF, 0}, + {0x1B1A, 0x3FFF, 0x3FFF, 0}, + {0x1B32, 0x8, 0x8, 0}, + {0x1B8A, 0x30, 0x8030, 0}, + {0x1B9C, 0x10, 0x8010, 0}, + {0x1BA0, 0x4000, 0x4000, 0}, + {0x1BAE, 0x1410, 0x9C10, 0}, + {0x1BB2, 0x2, 0x2, 0}, + {0x1BC0, 0x10, 0x8010, 0}, + {0x1BD2, 0x13, 0x8013, 0}, + {0x1BE4, 0x10, 0x8010, 0}, + {0x1C0A, 0x10, 0x8010, 0}, + {0x1C1E, 0x10, 0x8010, 0}, + {0x1C30, 0x10, 0x8010, 0}, + {0x1C42, 0x10, 0x8010, 0}, + {0x1C54, 0x32, 0x8033, 0}, + {0x1C66, 0x10, 0x8010, 0}, + {0x1C8A, 0x10, 0x8010, 0}, + {0x1C8E, 0x4000, 0x4000, 0}, + {0x1C9C, 0x10, 0x8010, 0}, + {0x1CAE, 0x10, 0x8010, 0}, + {0x1CC0, 0x10, 0x8010, 0}, + {0x1CD2, 0x33, 0x8033, 0}, + {0x1CE4, 0x33, 0x8033, 0}, + {0x1D0A, 0x10, 0x8010, 0}, + {0x1D1E, 0x10, 0x8010, 0}, + {0x1D22, 0x4000, 0x4000, 0}, + {0x1D30, 0x10, 0x8010, 0}, + {0x1D34, 0x4000, 0x4000, 0}, + {0x1D42, 0x30, 0x8030, 0}, + {0x1D46, 0x4000, 0x4000, 0}, + {0x1D54, 0x30, 0x8030, 0}, + {0x1D66, 0x32, 0x8033, 0}, + {0x1D8A, 0x10, 0x8010, 0}, + {0x1D9C, 0x10, 0x8010, 0}, + {0x1E8A, 0x10, 0x8010, 0}, + {0x1E92, 0xC12, 0x7F7F, 0}, + {0x1EAA, 0x10, 0x8010, 0}, + {0x1EB2, 0xC1F, 0x7F7F, 0}, + {0x1F0A, 0x10, 0x8010, 0}, + {0x1F12, 0xC1F, 0x7F7F, 0}, + {0x1F30, 0x10, 0x8010, 0}, + {0x1F38, 0xF1F, 0x7F7F, 0}, + {0x200A, 0x8, 0xC, 0}, + {0x202C, 0x8, 0xC, 0}, + {0x208C, 0x100, 0xF00, 0}, + {0x209C, 0x80, 0x1E0, 0}, +}; + +static const struct pmic_setting lp_setting[] = { + /* Suspend */ + {0x1520, 0x0, 0x1, 0x1}, + {0x1514, 0x1, 0x1, 0x1}, + {0x151a, 0x0, 0x1, 0x1}, + {0x14a0, 0x1, 0x1, 0x1}, + {0x1494, 0x1, 0x1, 0x1}, + {0x149a, 0x1, 0x1, 0x1}, + {0x1714, 0x1, 0x1, 0xf}, + {0x1794, 0x1, 0x1, 0xf}, + {0x15a0, 0x1, 0x1, 0x0}, + {0x1594, 0x1, 0x1, 0x0}, + {0x159a, 0x1, 0x1, 0x0}, + {0x1614, 0x1, 0x1, 0xf}, + {0x16a0, 0x0, 0x1, 0x1}, + {0x1694, 0x1, 0x1, 0x1}, + {0x169a, 0x0, 0x1, 0x1}, + {0x1820, 0x1, 0x1, 0x0}, + {0x1814, 0x1, 0x1, 0x0}, + {0x181a, 0x1, 0x1, 0x0}, + {0x18a0, 0x1, 0x1, 0x0}, + {0x1894, 0x1, 0x1, 0x0}, + {0x189a, 0x1, 0x1, 0x0}, + {0x1e96, 0x1, 0x1, 0xf}, + {0x1eb6, 0x1, 0x1, 0xf}, + {0x1f16, 0x1, 0x1, 0xf}, + {0x1f3c, 0x1, 0x1, 0xf}, + {0x1c58, 0x1, 0x1, 0xf}, + {0x1d8e, 0x1, 0x1, 0xf}, + {0x1c34, 0x1, 0x1, 0xf}, + {0x1c22, 0x1, 0x1, 0xf}, + {0x1bae, 0x0, 0x1, 0xb}, + {0x1bb2, 0x1, 0x1, 0x1}, + {0x1bb8, 0x0, 0x1, 0x1}, + {0x1cb2, 0x1, 0x1, 0xf}, + {0x1bd6, 0x1, 0x1, 0xf}, + {0x1bc0, 0x1, 0x1, 0xa}, + {0x1bc4, 0x1, 0x1, 0x0}, + {0x1bca, 0x1, 0x1, 0x0}, + {0x1d22, 0x1, 0x1, 0xe}, + {0x1d28, 0x0, 0x1, 0xe}, + {0x1c66, 0x1, 0x1, 0xa}, + {0x1c6a, 0x1, 0x1, 0x0}, + {0x1c70, 0x1, 0x1, 0x0}, + {0x1c42, 0x1, 0x1, 0xb}, + {0x1c46, 0x1, 0x1, 0x1}, + {0x1c4c, 0x1, 0x1, 0x1}, + {0x1d34, 0x1, 0x1, 0xe}, + {0x1d3a, 0x0, 0x1, 0xe}, + {0x1b8a, 0x0, 0x1, 0xb}, + {0x1b8e, 0x1, 0x1, 0x1}, + {0x1b94, 0x0, 0x1, 0x1}, + {0x1d42, 0x1, 0x1, 0xa}, + {0x1d46, 0x1, 0x1, 0x0}, + {0x1d4c, 0x0, 0x1, 0x0}, + {0x1ca0, 0x1, 0x1, 0xf}, + {0x1c8a, 0x1, 0x1, 0xa}, + {0x1c8e, 0x1, 0x1, 0x0}, + {0x1c94, 0x1, 0x1, 0x0}, + {0x1b9c, 0x1, 0x1, 0xa}, + {0x1ba0, 0x1, 0x1, 0x0}, + {0x1ba6, 0x1, 0x1, 0x0}, + {0x1be8, 0x1, 0x1, 0xf}, + {0x1c0e, 0x1, 0x1, 0xf}, + {0x1d0a, 0x1, 0x1, 0xa}, + {0x1d0e, 0x1, 0x1, 0x0}, + {0x1d14, 0x1, 0x1, 0x0}, + {0x1cc4, 0x1, 0x1, 0xf}, + {0x1d6a, 0x1, 0x1, 0xf}, + {0x1cd6, 0x1, 0x1, 0xf}, + {0x1ce8, 0x1, 0x1, 0xf}, + {0x1da0, 0x1, 0x1, 0xf}, + {0x1d58, 0x1, 0x1, 0xf}, + + /* Deepidle */ + {0x15a0, 0x1, 0x1, 0x2}, + {0x1594, 0x1, 0x1, 0x2}, + {0x159a, 0x1, 0x1, 0x2}, + {0x1820, 0x1, 0x1, 0x2}, + {0x1814, 0x1, 0x1, 0x2}, + {0x181a, 0x1, 0x1, 0x2}, + {0x18a0, 0x1, 0x1, 0x2}, + {0x1894, 0x1, 0x1, 0x2}, + {0x189a, 0x1, 0x1, 0x2}, + {0x1bc0, 0x1, 0x1, 0xc}, + {0x1bc4, 0x1, 0x1, 0x2}, + {0x1bca, 0x1, 0x1, 0x2}, + {0x1c66, 0x1, 0x1, 0xc}, + {0x1c6a, 0x1, 0x1, 0x2}, + {0x1c70, 0x1, 0x1, 0x2}, + {0x1d42, 0x1, 0x1, 0xc}, + {0x1d46, 0x1, 0x1, 0x2}, + {0x1d4c, 0x0, 0x1, 0x2}, + {0x1c8a, 0x1, 0x1, 0xc}, + {0x1c8e, 0x1, 0x1, 0x2}, + {0x1c94, 0x1, 0x1, 0x2}, + {0x1b9c, 0x1, 0x1, 0xc}, + {0x1ba0, 0x1, 0x1, 0x2}, + {0x1ba6, 0x1, 0x1, 0x2}, + {0x1be8, 0x1, 0x1, 0xf}, + {0x1c0e, 0x1, 0x1, 0xf}, + {0x1d0a, 0x1, 0x1, 0xc}, + {0x1d0e, 0x1, 0x1, 0x2}, + {0x1d14, 0x1, 0x1, 0x2}, + {0x1d0e, 0x1, 0x1, 0x2}, + {0x1d14, 0x1, 0x1, 0x2}, +}; + +static struct pmif *pmif_arb = NULL; +static void mt6359p_write(u32 reg, u32 data) +{ + pmif_arb->write(pmif_arb, 0, reg, data); +} + +static u32 mt6359p_read_field(u32 reg, u32 mask, u32 shift) +{ + return pmif_arb->read_field(pmif_arb, 0, reg, mask, shift); +} + +static void mt6359p_write_field(u32 reg, u32 val, u32 mask, u32 shift) +{ + pmif_arb->write_field(pmif_arb, 0, reg, val, mask, shift); +} + +static void pmic_set_power_hold(void) +{ + mt6359p_write_field(PMIC_PWRHOLD, 0x1, 0x1, 0); +} + +static void pmic_wdt_set(void) +{ + /* [5]=1, RG_WDTRSTB_DEB */ + mt6359p_write_field(PMIC_TOP_RST_MISC_SET, 0x20, 0xFFFF, 0); + /* [1]=0, RG_WDTRSTB_MODE */ + mt6359p_write_field(PMIC_TOP_RST_MISC_CLR, 0x02, 0xFFFF, 0); + /* [0]=1, RG_WDTRSTB_EN */ + mt6359p_write_field(PMIC_TOP_RST_MISC_SET, 0x01, 0xFFFF, 0); +} + +static void pmic_init_setting(void) +{ + for (int i = 0; i < ARRAY_SIZE(init_setting); i++) + mt6359p_write_field(init_setting[i].addr, init_setting[i].val, + init_setting[i].mask, init_setting[i].shift); +} + +static void pmic_lp_setting(void) +{ + for (int i = 0; i < ARRAY_SIZE(lp_setting); i++) + mt6359p_write_field(lp_setting[i].addr, lp_setting[i].val, + lp_setting[i].mask, lp_setting[i].shift); +} + +static void pmic_wk_vs2_voter_setting(void) +{ + /* + * 1. Set VS2_VOTER_VOSEL = 1.35V + * 2. Clear VS2_VOTER + * 3. Set VS2_VOSEL = 1.4V + */ + mt6359p_write_field(PMIC_VS2_VOTER_CFG, 0x2C, 0x7F, 0); + mt6359p_write_field(PMIC_VS2_VOTER, 0, 0xFFF, 0); + mt6359p_write_field(PMIC_VS2_ELR0, 0x30, 0x7F, 0); +} + +void mt6359p_buck_set_voltage(u32 buck_id, u32 buck_uv) +{ + u32 vol_offset, vol_reg, vol; + + if (!pmif_arb) + die("ERROR: pmif_arb not initialized"); + + switch (buck_id) { + case MT6359P_GPU11: + vol_offset = 400000; + vol_reg = PMIC_VGPU11_ELR0; + break; + case MT6359P_SRAM_PROC1: + vol_offset = 500000; + vol_reg = PMIC_VSRAM_PROC1_ELR; + break; + case MT6359P_SRAM_PROC2: + vol_offset = 500000; + vol_reg = PMIC_VSRAM_PROC2_ELR; + break; + default: + die("ERROR: Unknown buck_id %u", buck_id); + return; + }; + + vol = (buck_uv - vol_offset) / 6250; + mt6359p_write_field(vol_reg, vol, 0x7F, 0); +} + +u32 mt6359p_buck_get_voltage(u32 buck_id) +{ + u32 vol_shift, vol_offset, vol_reg, vol; + + if (!pmif_arb) + die("ERROR: pmif_arb not initialized"); + + switch (buck_id) { + case MT6359P_GPU11: + vol_shift = 0; + vol_offset = 400000; + vol_reg = PMIC_VGPU11_DBG0; + break; + case MT6359P_SRAM_PROC1: + vol_shift = 8; + vol_offset = 500000; + vol_reg = PMIC_VSRAM_PROC1_VOSEL1; + break; + case MT6359P_SRAM_PROC2: + vol_shift = 8; + vol_offset = 500000; + vol_reg = PMIC_VSRAM_PROC2_VOSEL1; + break; + default: + die("ERROR: Unknown buck_id %u", buck_id); + return 0; + }; + + vol = mt6359p_read_field(vol_reg, 0x7F, vol_shift); + return vol_offset + vol * 6250; +} + +void mt6359p_set_vm18_voltage(u32 vm18_uv) +{ + u32 reg_vol, reg_cali; + + if (!pmif_arb) + die("ERROR: pmif_arb not initialized"); + + assert(vm18_uv >= 1700000); + assert(vm18_uv < 2000000); + + reg_vol = (vm18_uv / 1000 - VM18_VOL_OFFSET) / 100; + reg_cali = ((vm18_uv / 1000) % 100) / 10; + mt6359p_write(PMIC_VM18_ANA_CON0, (reg_vol << VM18_VOL_REG_SHIFT) | reg_cali); +} + +u32 mt6359p_get_vm18_voltage(void) +{ + u32 reg_vol, reg_cali; + + if (!pmif_arb) + die("ERROR: pmif_arb not initialized"); + + reg_vol = 100 * mt6359p_read_field(PMIC_VM18_ANA_CON0, 0xF, VM18_VOL_REG_SHIFT); + reg_cali = 10 * mt6359p_read_field(PMIC_VM18_ANA_CON0, 0xF, 0); + return 600 + reg_vol + reg_cali; +} + +static void init_pmif_arb(void) +{ + if (!pmif_arb) { + pmif_arb = get_pmif_controller(PMIF_SPI, 0); + if (!pmif_arb) + die("ERROR: No spi device"); + } + + if (pmif_arb->is_pmif_init_done(pmif_arb)) + die("ERROR - Failed to initialize pmif spi"); +} + +void mt6359p_init(void) +{ + init_pmif_arb(); + pmic_set_power_hold(); + pmic_wdt_set(); + pmic_init_setting(); + pmic_lp_setting(); + pmic_wk_vs2_voter_setting(); +} + +void mt6359p_romstage_init(void) +{ + init_pmif_arb(); +} -- cgit v1.2.3