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Cleanup and re-write uart code

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This commit is contained in:
hexkyz 2019-07-21 19:18:15 +01:00
parent f9c1d5fc1b
commit 7cee36544c
23 changed files with 971 additions and 242 deletions
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38
exosphere/src/i2c.h
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@ -19,10 +19,27 @@
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "memory_map.h"
/* Exosphere driver for the Tegra X1 I2C registers. */
#define MAX77621_CPU_I2C_ADDR 0x1B
#define MAX77621_GPU_I2C_ADDR 0x1C
#define MAX17050_I2C_ADDR 0x36
#define MAX77620_PWR_I2C_ADDR 0x3C
#define MAX77620_RTC_I2C_ADDR 0x68
#define BQ24193_I2C_ADDR 0x6B
typedef enum {
I2C_1 = 0,
I2C_2 = 1,
I2C_3 = 2,
I2C_4 = 3,
I2C_5 = 4,
I2C_6 = 5,
} I2CDevice;
typedef struct {
uint32_t I2C_I2C_CNFG_0;
uint32_t I2C_I2C_CMD_ADDR0_0;
@ -65,7 +82,7 @@ typedef struct {
uint32_t I2C_I2C_INTERFACE_TIMING_1_0;
uint32_t I2C_I2C_HS_INTERFACE_TIMING_0_0;
uint32_t I2C_I2C_HS_INTERFACE_TIMING_1_0;
} i2c_registers_t;
} tegra_i2c_t;
static inline uintptr_t get_i2c_dtv_234_base(void) {
return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_DTV_I2C234);
@ -75,17 +92,20 @@ static inline uintptr_t get_i2c56_spi2b_base(void) {
return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_I2C56_SPI2B);
}
#define I2C1_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x000))
#define I2C2_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x400))
#define I2C3_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x500))
#define I2C4_REGS ((volatile i2c_registers_t *)(get_i2c_dtv_234_base() + 0x700))
#define I2C5_REGS ((volatile i2c_registers_t *)(get_i2c56_spi2b_base() + 0x000))
#define I2C6_REGS ((volatile i2c_registers_t *)(get_i2c56_spi2b_base() + 0x100))
#define I2C1_REGS ((volatile tegra_i2c_t *)(get_i2c_dtv_234_base() + 0x000))
#define I2C2_REGS ((volatile tegra_i2c_t *)(get_i2c_dtv_234_base() + 0x400))
#define I2C3_REGS ((volatile tegra_i2c_t *)(get_i2c_dtv_234_base() + 0x500))
#define I2C4_REGS ((volatile tegra_i2c_t *)(get_i2c_dtv_234_base() + 0x700))
#define I2C5_REGS ((volatile tegra_i2c_t *)(get_i2c56_spi2b_base() + 0x000))
#define I2C6_REGS ((volatile tegra_i2c_t *)(get_i2c56_spi2b_base() + 0x100))
void i2c_init(unsigned int id);
void i2c_config(I2CDevice id);
void i2c_init(I2CDevice id);
bool i2c_query(I2CDevice id, uint8_t device, uint8_t r, void *dst, size_t dst_size);
bool i2c_send(I2CDevice id, uint8_t device, uint8_t r, void *src, size_t src_size);
void i2c_send_pmic_cpu_shutdown_cmd(void);
bool i2c_query_ti_charger_bit_7(void);
void i2c_clear_ti_charger_bit_7(void);
void i2c_set_ti_charger_bit_7(void);