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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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47
sept/sept-primary/src/i2c.c
View File

@@ -17,19 +17,52 @@
#include "i2c.h"
#include "utils.h"
#include "timers.h"
#include "pinmux.h"
/* Prototypes for internal commands. */
volatile tegra_i2c_t *i2c_get_registers_from_id(unsigned int id);
volatile tegra_i2c_t *i2c_get_registers_from_id(I2CDevice id);
void i2c_load_config(volatile tegra_i2c_t *regs);
bool i2c_query(unsigned int id, uint8_t device, uint8_t r, void *dst, size_t dst_size);
bool i2c_send(unsigned int id, uint8_t device, uint8_t r, void *src, size_t src_size);
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);
bool i2c_write(volatile tegra_i2c_t *regs, uint8_t device, void *src, size_t src_size);
bool i2c_read(volatile tegra_i2c_t *regs, uint8_t device, void *dst, size_t dst_size);
/* Configure I2C pinmux. */
void i2c_config(I2CDevice id) {
volatile tegra_pinmux_t *pinmux = pinmux_get_regs();
switch (id) {
case I2C_1:
pinmux->gen1_i2c_scl = PINMUX_INPUT;
pinmux->gen1_i2c_sda = PINMUX_INPUT;
break;
case I2C_2:
pinmux->gen2_i2c_scl = PINMUX_INPUT;
pinmux->gen2_i2c_sda = PINMUX_INPUT;
break;
case I2C_3:
pinmux->gen3_i2c_scl = PINMUX_INPUT;
pinmux->gen3_i2c_sda = PINMUX_INPUT;
break;
case I2C_4:
pinmux->cam_i2c_scl = PINMUX_INPUT;
pinmux->cam_i2c_sda = PINMUX_INPUT;
break;
case I2C_5:
pinmux->pwr_i2c_scl = PINMUX_INPUT;
pinmux->pwr_i2c_sda = PINMUX_INPUT;
break;
case I2C_6:
/* Unused. */
break;
default: break;
}
}
/* Initialize I2C based on registers. */
void i2c_init(unsigned int id) {
void i2c_init(I2CDevice id) {
volatile tegra_i2c_t *regs = i2c_get_registers_from_id(id);
/* Setup divisor, and clear the bus. */
@@ -91,7 +124,7 @@ void i2c_set_ti_charger_bit_7(void) {
}
/* Get registers pointer based on I2C ID. */
volatile tegra_i2c_t *i2c_get_registers_from_id(unsigned int id) {
volatile tegra_i2c_t *i2c_get_registers_from_id(I2CDevice id) {
switch (id) {
case I2C_1:
return I2C1_REGS;
@@ -126,7 +159,7 @@ void i2c_load_config(volatile tegra_i2c_t *regs) {
}
/* Reads a register from a device over I2C, writes result to output. */
bool i2c_query(unsigned int id, uint8_t device, uint8_t r, void *dst, size_t dst_size) {
bool i2c_query(I2CDevice id, uint8_t device, uint8_t r, void *dst, size_t dst_size) {
volatile tegra_i2c_t *regs = i2c_get_registers_from_id(id);
uint32_t val = r;
@@ -143,7 +176,7 @@ bool i2c_query(unsigned int id, uint8_t device, uint8_t r, void *dst, size_t dst
}
/* Writes a value to a register over I2C. */
bool i2c_send(unsigned int id, uint8_t device, uint8_t r, void *src, size_t src_size) {
bool i2c_send(I2CDevice id, uint8_t device, uint8_t r, void *src, size_t src_size) {
uint32_t val = r;
if (src_size == 0) {
return true;

24
sept/sept-primary/src/i2c.h
View File

@@ -24,13 +24,6 @@
#define I2C1234_BASE 0x7000C000
#define I2C56_BASE 0x7000D000
#define I2C_1 0
#define I2C_2 1
#define I2C_3 2
#define I2C_4 3
#define I2C_5 4
#define I2C_6 5
#define MAX77621_CPU_I2C_ADDR 0x1B
#define MAX77621_GPU_I2C_ADDR 0x1C
#define MAX17050_I2C_ADDR 0x36
@@ -38,6 +31,15 @@
#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;
@@ -89,9 +91,11 @@ typedef struct {
#define I2C5_REGS ((volatile tegra_i2c_t *)(I2C56_BASE + 0x000))
#define I2C6_REGS ((volatile tegra_i2c_t *)(I2C56_BASE + 0x100))
void i2c_init(unsigned int id);
bool i2c_query(unsigned int id, uint8_t device, uint8_t r, void *dst, size_t dst_size);
bool i2c_send(unsigned int id, uint8_t device, uint8_t r, void *src, size_t src_size);
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);

211
sept/sept-primary/src/pinmux.h Normal file
View File

@@ -0,0 +1,211 @@
/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FUSEE_PINMUX_H
#define FUSEE_PINMUX_H
#define PINMUX_BASE 0x70003000
#define MAKE_PINMUX_REG(n) MAKE_REG32(PINMUX_BASE + n)
#define PINMUX_TRISTATE (1 << 4)
#define PINMUX_PARKED (1 << 5)
#define PINMUX_INPUT (1 << 6)
#define PINMUX_PULL_NONE (0 << 2)
#define PINMUX_PULL_DOWN (1 << 2)
#define PINMUX_PULL_UP (2 << 2)
#define PINMUX_SELECT_FUNCTION0 0
#define PINMUX_SELECT_FUNCTION1 1
#define PINMUX_SELECT_FUNCTION2 2
#define PINMUX_SELECT_FUNCTION3 3
#define PINMUX_DRIVE_1X (0 << 13)
#define PINMUX_DRIVE_2X (1 << 13)
#define PINMUX_DRIVE_3X (2 << 13)
#define PINMUX_DRIVE_4X (3 << 13)
typedef struct {
uint32_t sdmmc1_clk;
uint32_t sdmmc1_cmd;
uint32_t sdmmc1_dat3;
uint32_t sdmmc1_dat2;
uint32_t sdmmc1_dat1;
uint32_t sdmmc1_dat0;
uint32_t _r18;
uint32_t sdmmc3_clk;
uint32_t sdmmc3_cmd;
uint32_t sdmmc3_dat0;
uint32_t sdmmc3_dat1;
uint32_t sdmmc3_dat2;
uint32_t sdmmc3_dat3;
uint32_t _r34;
uint32_t pex_l0_rst_n;
uint32_t pex_l0_clkreq_n;
uint32_t pex_wake_n;
uint32_t pex_l1_rst_n;
uint32_t pex_l1_clkreq_n;
uint32_t sata_led_active;
uint32_t spi1_mosi;
uint32_t spi1_miso;
uint32_t spi1_sck;
uint32_t spi1_cs0;
uint32_t spi1_cs1;
uint32_t spi2_mosi;
uint32_t spi2_miso;
uint32_t spi2_sck;
uint32_t spi2_cs0;
uint32_t spi2_cs1;
uint32_t spi4_mosi;
uint32_t spi4_miso;
uint32_t spi4_sck;
uint32_t spi4_cs0;
uint32_t qspi_sck;
uint32_t qspi_cs_n;
uint32_t qspi_io0;
uint32_t qspi_io1;
uint32_t qspi_io2;
uint32_t qspi_io3;
uint32_t _ra0;
uint32_t dmic1_clk;
uint32_t dmic1_dat;
uint32_t dmic2_clk;
uint32_t dmic2_dat;
uint32_t dmic3_clk;
uint32_t dmic3_dat;
uint32_t gen1_i2c_scl;
uint32_t gen1_i2c_sda;
uint32_t gen2_i2c_scl;
uint32_t gen2_i2c_sda;
uint32_t gen3_i2c_scl;
uint32_t gen3_i2c_sda;
uint32_t cam_i2c_scl;
uint32_t cam_i2c_sda;
uint32_t pwr_i2c_scl;
uint32_t pwr_i2c_sda;
uint32_t uart1_tx;
uint32_t uart1_rx;
uint32_t uart1_rts;
uint32_t uart1_cts;
uint32_t uart2_tx;
uint32_t uart2_rx;
uint32_t uart2_rts;
uint32_t uart2_cts;
uint32_t uart3_tx;
uint32_t uart3_rx;
uint32_t uart3_rts;
uint32_t uart3_cts;
uint32_t uart4_tx;
uint32_t uart4_rx;
uint32_t uart4_rts;
uint32_t uart4_cts;
uint32_t dap1_fs;
uint32_t dap1_din;
uint32_t dap1_dout;
uint32_t dap1_sclk;
uint32_t dap2_fs;
uint32_t dap2_din;
uint32_t dap2_dout;
uint32_t dap2_sclk;
uint32_t dap4_fs;
uint32_t dap4_din;
uint32_t dap4_dout;
uint32_t dap4_sclk;
uint32_t cam1_mclk;
uint32_t cam2_mclk;
uint32_t jtag_rtck;
uint32_t clk_32k_in;
uint32_t clk_32k_out;
uint32_t batt_bcl;
uint32_t clk_req;
uint32_t cpu_pwr_req;
uint32_t pwr_int_n;
uint32_t shutdown;
uint32_t core_pwr_req;
uint32_t aud_mclk;
uint32_t dvfs_pwm;
uint32_t dvfs_clk;
uint32_t gpio_x1_aud;
uint32_t gpio_x3_aud;
uint32_t pcc7;
uint32_t hdmi_cec;
uint32_t hdmi_int_dp_hpd;
uint32_t spdif_out;
uint32_t spdif_in;
uint32_t usb_vbus_en0;
uint32_t usb_vbus_en1;
uint32_t dp_hpd0;
uint32_t wifi_en;
uint32_t wifi_rst;
uint32_t wifi_wake_ap;
uint32_t ap_wake_bt;
uint32_t bt_rst;
uint32_t bt_wake_ap;
uint32_t ap_wake_nfc;
uint32_t nfc_en;
uint32_t nfc_int;
uint32_t gps_en;
uint32_t gps_rst;
uint32_t cam_rst;
uint32_t cam_af_en;
uint32_t cam_flash_en;
uint32_t cam1_pwdn;
uint32_t cam2_pwdn;
uint32_t cam1_strobe;
uint32_t lcd_te;
uint32_t lcd_bl_pwm;
uint32_t lcd_bl_en;
uint32_t lcd_rst;
uint32_t lcd_gpio1;
uint32_t lcd_gpio2;
uint32_t ap_ready;
uint32_t touch_rst;
uint32_t touch_clk;
uint32_t modem_wake_ap;
uint32_t touch_int;
uint32_t motion_int;
uint32_t als_prox_int;
uint32_t temp_alert;
uint32_t button_power_on;
uint32_t button_vol_up;
uint32_t button_vol_down;
uint32_t button_slide_sw;
uint32_t button_home;
uint32_t pa6;
uint32_t pe6;
uint32_t pe7;
uint32_t ph6;
uint32_t pk0;
uint32_t pk1;
uint32_t pk2;
uint32_t pk3;
uint32_t pk4;
uint32_t pk5;
uint32_t pk6;
uint32_t pk7;
uint32_t pl0;
uint32_t pl1;
uint32_t pz0;
uint32_t pz1;
uint32_t pz2;
uint32_t pz3;
uint32_t pz4;
uint32_t pz5;
} tegra_pinmux_t;
static inline volatile tegra_pinmux_t *pinmux_get_regs(void)
{
return (volatile tegra_pinmux_t *)PINMUX_BASE;
}
#endif