diff options
Diffstat (limited to 'board/xiaomi/mocha/mocha-spl.c')
| -rw-r--r-- | board/xiaomi/mocha/mocha-spl.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/board/xiaomi/mocha/mocha-spl.c b/board/xiaomi/mocha/mocha-spl.c new file mode 100644 index 00000000000..5fb11df0a93 --- /dev/null +++ b/board/xiaomi/mocha/mocha-spl.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Mocha SPL stage configuration + * + * (C) Copyright 2024 + * Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <asm/arch/tegra.h> +#include <asm/arch-tegra/tegra_i2c.h> +#include <linux/delay.h> + +#define TPS65913_I2C_ADDR (0x58 << 1) + +#define TPS65913_SMPS12_CTRL 0x20 +#define TPS65913_SMPS12_VOLTAGE 0x23 +#define TPS65913_SMPS45_CTRL 0x28 +#define TPS65913_SMPS45_VOLTAGE 0x2B +#define TPS65913_SMPS7_CTRL 0x30 +#define TPS65913_SMPS7_VOLTAGE 0x33 + +#define TPS65913_SMPS12_CTRL_DATA (0x5100 | TPS65913_SMPS12_CTRL) +#define TPS65913_SMPS12_VOLTAGE_DATA (0x3800 | TPS65913_SMPS12_VOLTAGE) +#define TPS65913_SMPS45_CTRL_DATA (0x5100 | TPS65913_SMPS45_CTRL) +#define TPS65913_SMPS45_VOLTAGE_DATA (0x3800 | TPS65913_SMPS45_VOLTAGE) +#define TPS65913_SMPS7_CTRL_DATA (0x5100 | TPS65913_SMPS7_CTRL) +#define TPS65913_SMPS7_VOLTAGE_DATA (0x4700 | TPS65913_SMPS7_VOLTAGE) + +void pmic_enable_cpu_vdd(void) +{ + /* Set CORE VDD to 1.150V. */ + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS7_VOLTAGE_DATA); + udelay(1000); + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS7_CTRL_DATA); + + udelay(1000); + + /* Set CPU VDD to 1.0V. */ + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS12_VOLTAGE_DATA); + udelay(1000); + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS12_CTRL_DATA); + udelay(10 * 1000); + + /* Set GPU VDD to 1.0V. */ + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS45_VOLTAGE_DATA); + udelay(1000); + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS45_CTRL_DATA); + udelay(10 * 1000); +} |