| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <delay.h> |
| #include <soc/mt6315.h> |
| #include <soc/pmif.h> |
| #include <soc/pmif_spmi.h> |
| |
| static struct pmif *pmif_arb = NULL; |
| |
| static void mt6315_read(u32 slvid, u32 reg, u32 *data) |
| { |
| pmif_arb->read(pmif_arb, slvid, reg, data); |
| } |
| |
| static void mt6315_write(u32 slvid, u32 reg, u32 data) |
| { |
| pmif_arb->write(pmif_arb, slvid, reg, data); |
| } |
| |
| void mt6315_write_field(u32 slvid, u32 reg, u32 val, u32 mask, u32 shift) |
| { |
| pmif_arb->write_field(pmif_arb, slvid, reg, val, mask, shift); |
| } |
| |
| static void mt6315_wdt_enable(u32 slvid) |
| { |
| mt6315_write(slvid, 0x3A9, 0x63); |
| mt6315_write(slvid, 0x3A8, 0x15); |
| mt6315_write(slvid, 0x127, 0x2); |
| mt6315_write(slvid, 0x127, 0x1); |
| mt6315_write(slvid, 0x127, 0x8); |
| udelay(50); |
| mt6315_write(slvid, 0x128, 0x8); |
| mt6315_write(slvid, 0x3A8, 0); |
| mt6315_write(slvid, 0x3A9, 0); |
| } |
| |
| void mt6315_buck_set_voltage(u32 slvid, u32 buck_id, u32 buck_uv) |
| { |
| unsigned int vol_reg, vol_val; |
| |
| if (!pmif_arb) |
| die("ERROR: pmif_arb not initialized"); |
| |
| switch (buck_id) { |
| case MT6315_BUCK_1: |
| vol_reg = MT6315_BUCK_TOP_ELR0; |
| break; |
| case MT6315_BUCK_3: |
| vol_reg = MT6315_BUCK_TOP_ELR3; |
| break; |
| default: |
| die("ERROR: Unknown buck_id %u", buck_id); |
| return; |
| }; |
| |
| vol_val = buck_uv / 6250; |
| mt6315_write(slvid, vol_reg, vol_val); |
| } |
| |
| u32 mt6315_buck_get_voltage(u32 slvid, u32 buck_id) |
| { |
| u32 vol_reg, vol; |
| |
| if (!pmif_arb) |
| die("ERROR: pmif_arb not initialized"); |
| |
| switch (buck_id) { |
| case MT6315_BUCK_1: |
| vol_reg = MT6315_BUCK_VBUCK1_DBG0; |
| break; |
| case MT6315_BUCK_3: |
| vol_reg = MT6315_BUCK_VBUCK1_DBG3; |
| break; |
| default: |
| die("ERROR: Unknown buck_id %u", buck_id); |
| return 0; |
| }; |
| |
| mt6315_read(slvid, vol_reg, &vol); |
| return vol * 6250; |
| } |
| |
| static void init_pmif_arb(void) |
| { |
| if (!pmif_arb) { |
| pmif_arb = get_pmif_controller(PMIF_SPMI, 0); |
| if (!pmif_arb) |
| die("ERROR: No spmi device"); |
| } |
| |
| if (pmif_arb->is_pmif_init_done(pmif_arb)) |
| die("ERROR - Failed to initialize pmif spmi"); |
| } |
| |
| void mt6315_init(void) |
| { |
| size_t i; |
| |
| init_pmif_arb(); |
| |
| for (i = 0; i < spmi_dev_cnt; i++) |
| mt6315_wdt_enable(spmi_dev[i].slvid); |
| |
| mt6315_init_setting(); |
| } |