soc/mediatek/mt8196: Add MT6685 Clock IC driver
Add MT6685 initial settings and ADC init settings to support Thermal Information Acquisition (TIA). TIA will read thermal info in HW. TEST=Build pass BUG=b:317009620 Change-Id: I26ae4f416202f04a8030259c49e009b19a60712e Signed-off-by: Hope Wang <hope.wang@mediatek.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/85734 Reviewed-by: Yidi Lin <yidilin@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Lu Tang
Yidi Lin
parent
5852841ca7
commit
001e7a0b45
5 changed files with 201 additions and 0 deletions
31
src/soc/mediatek/common/include/soc/mt6685.h
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31
src/soc/mediatek/common/include/soc/mt6685.h
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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
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#ifndef __SOC_MEDIATEK_MT6685_H__
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#define __SOC_MEDIATEK_MT6685_H__
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#include <soc/spmi.h>
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#include <types.h>
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struct mt6685_setting {
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unsigned short addr;
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unsigned short val;
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unsigned short mask;
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unsigned char shift;
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};
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struct mt6685_key_setting {
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unsigned short addr;
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unsigned short val;
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};
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void mt6685_init(void);
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void mt6685_init_pmif_arb(void);
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void mt6685_write_field(u32 reg, u32 val, u32 mask, u32 shift);
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u32 mt6685_read_field(u32 reg, u32 mask, u32 shift);
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u8 mt6685_read8(u32 reg);
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void mt6685_write8(u32 reg, u8 reg_val);
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u16 mt6685_read16(u32 reg);
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void mt6685_write16(u32 reg, u16 reg_val);
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void mt6685_init_setting(void);
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#endif
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103
src/soc/mediatek/common/mt6685.c
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103
src/soc/mediatek/common/mt6685.c
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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
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#include <assert.h>
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#include <console/console.h>
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#include <delay.h>
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#include <soc/mt6685.h>
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#include <soc/pmif.h>
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#include <timer.h>
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#define MT6685_TOP_RST_MISC 0x127
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#define MT6685_TOP_RST_MISC_SET 0x128
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static struct pmif *pmif_arb;
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u32 mt6685_read_field(u32 reg, u32 mask, u32 shift)
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{
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assert(pmif_arb);
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return pmif_arb->read_field(pmif_arb, SPMI_SLAVE_9, reg, mask, shift);
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}
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void mt6685_write_field(u32 reg, u32 val, u32 mask, u32 shift)
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{
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assert(pmif_arb);
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pmif_arb->write_field(pmif_arb, SPMI_SLAVE_9, reg, val, mask, shift);
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}
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u8 mt6685_read8(u32 reg)
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{
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u32 rdata = 0;
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assert(pmif_arb);
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pmif_arb->read(pmif_arb, SPMI_SLAVE_9, reg, &rdata);
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return (u8)rdata;
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}
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void mt6685_write8(u32 reg, u8 reg_val)
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{
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assert(pmif_arb);
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pmif_arb->write(pmif_arb, SPMI_SLAVE_9, reg, reg_val);
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}
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u16 mt6685_read16(u32 reg)
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{
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u16 rdata = 0;
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assert(pmif_arb);
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pmif_arb->read16(pmif_arb, SPMI_SLAVE_9, reg, &rdata);
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return rdata;
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}
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void mt6685_write16(u32 reg, u16 reg_val)
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{
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assert(pmif_arb);
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pmif_arb->write16(pmif_arb, SPMI_SLAVE_9, reg, reg_val);
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}
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static void mt6685_wdt_set(void)
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{
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mt6685_write_field(MT6685_TOP_RST_MISC_SET, 0x3, 0xFF, 0);
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}
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static const struct mt6685_key_setting key_protect_setting[] = {
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{0x39E, 0x7A},
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{0x39F, 0x99},
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{0x3A8, 0x15},
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{0x3A9, 0x63},
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{0x3AA, 0x30},
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{0x3AB, 0x63},
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{0x9A5, 0x29},
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{0x9A6, 0x47},
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{0xF98, 0x85},
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{0xF99, 0x66},
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};
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static void mt6685_unlock(bool unlock)
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{
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for (int i = 0; i < ARRAY_SIZE(key_protect_setting); i++)
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mt6685_write16(key_protect_setting[i].addr,
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unlock ? key_protect_setting[i].val : 0);
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}
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void mt6685_init_pmif_arb(void)
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{
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if (!pmif_arb) {
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pmif_arb = get_pmif_controller(PMIF_SPMI, SPMI_MASTER_1);
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assert(pmif_arb);
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}
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if (pmif_arb->is_pmif_init_done(pmif_arb))
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die("ERROR - Failed to initialize pmif spi");
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printk(BIOS_INFO, "[%s]CHIP ID = %#x\n", __func__, mt6685_read_field(0xb, 0xFF, 0));
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}
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void mt6685_init(void)
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{
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mt6685_init_pmif_arb();
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mt6685_unlock(true);
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mt6685_wdt_set();
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mt6685_init_setting();
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mt6685_unlock(false);
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printk(BIOS_INFO, "[%s]TOP_RST_MISC = %#x\n", __func__,
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mt6685_read_field(MT6685_TOP_RST_MISC, 0xFF, 0));
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}
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@ -35,6 +35,7 @@ romstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
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romstage-y += ../common/mt6316.c mt6316.c
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romstage-y += ../common/mt6363.c mt6363.c
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romstage-y += ../common/mt6373.c mt6373.c
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romstage-y += ../common/mt6685.c mt6685.c
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romstage-y += ../common/mtk_fsp.c
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romstage-y += mtk_pwrsel.c
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romstage-y += ../common/pmif_clk.c pmif_clk.c
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60
src/soc/mediatek/mt8196/mt6685.c
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60
src/soc/mediatek/mt8196/mt6685.c
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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
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#include <console/console.h>
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#include <soc/mt6685.h>
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static const struct mt6685_setting init_setting[] = {
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{0x18, 0x2, 0x2, 0},
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{0x1A, 0x1F, 0x1F, 0},
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{0x27, 0x10, 0x10, 0},
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{0x8A, 0x0, 0x1F, 0},
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{0x10B, 0x8, 0x8, 0},
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{0x11E, 0x1, 0x1, 0},
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{0x127, 0x2, 0x2, 0},
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{0x193, 0x1, 0x1, 0},
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{0x19C, 0x3, 0xF, 0},
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{0x389, 0x0, 0xFF, 0},
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{0x38A, 0x0, 0x7, 0},
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{0x413, 0x7, 0xFF, 0},
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{0x418, 0x10, 0xF0, 0},
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{0x789, 0x6, 0x6, 0},
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{0x9B3, 0x0, 0x7F, 0},
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{0x9B4, 0x7E, 0x7E, 0},
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{0xF8C, 0x15, 0x15, 0},
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{0xF8D, 0x5, 0x5, 0},
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{0x1B0D, 0xF, 0xF, 0},
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{0x1B0E, 0x1, 0x1, 0},
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{0x1B0F, 0x0, 0x1, 0},
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{0x1B10, 0x7F, 0x7F, 0},
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{0x1B1A, 0x8, 0x8, 0},
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{0x1B89, 0x0, 0x80, 0},
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{0x1B8E, 0x40, 0x40, 0},
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{0x1B99, 0x0, 0x80, 0},
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{0x1B9E, 0x40, 0x40, 0},
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{0x1BA9, 0x0, 0x80, 0},
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{0x1BAE, 0x40, 0x40, 0},
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{0x1BB9, 0x0, 0x80, 0},
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{0x1BC9, 0x0, 0x80, 0},
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{0x1BD9, 0x0, 0x80, 0},
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{0x1C09, 0x0, 0x80, 0},
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{0x1C0B, 0x1, 0x5, 0},
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{0x1C0E, 0xC0, 0xC0, 0},
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{0x1C8E, 0x1, 0x1, 0},
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/* Add UVLO 2.0 setting, also need to modify dts setting for main pmic */
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{0x7F1, 0x1, 0xF, 0},
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{0x9a3, 0xD, 0x1F, 0},
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{0x9b2, 0x80, 0x80, 0},
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{0xA8b, 0x4, 0x4, 0},
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};
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static inline void write_field(const struct mt6685_setting *setting)
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{
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mt6685_write_field(setting->addr, setting->val, setting->mask, setting->shift);
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}
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void mt6685_init_setting(void)
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{
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for (int i = 0; i < ARRAY_SIZE(init_setting); i++)
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write_field(&init_setting[i]);
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}
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@ -20,6 +20,8 @@ const struct pmif pmif_spmi_arb[] = {
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.pmifid = PMIF_SPMI,
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.write = pmif_spmi_write,
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.read = pmif_spmi_read,
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.write16 = pmif_spmi_write16,
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.read16 = pmif_spmi_read16,
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.write_field = pmif_spmi_write_field,
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.read_field = pmif_spmi_read_field,
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.is_pmif_init_done = pmif_check_init_done,
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@ -30,6 +32,8 @@ const struct pmif pmif_spmi_arb[] = {
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.pmifid = PMIF_SPMI,
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.write = pmif_spmi_write,
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.read = pmif_spmi_read,
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.write16 = pmif_spmi_write16,
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.read16 = pmif_spmi_read16,
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.write_field = pmif_spmi_write_field,
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.read_field = pmif_spmi_read_field,
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.is_pmif_init_done = pmif_check_init_done,
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@ -40,6 +44,8 @@ const struct pmif pmif_spmi_arb[] = {
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.pmifid = PMIF_SPMI,
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.write = pmif_spmi_write,
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.read = pmif_spmi_read,
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.write16 = pmif_spmi_write16,
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.read16 = pmif_spmi_read16,
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.write_field = pmif_spmi_write_field,
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.read_field = pmif_spmi_read_field,
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.is_pmif_init_done = pmif_check_init_done,
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