mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 20:31:14 +00:00
thermosphere: rebase, doesn't work
This commit is contained in:
TuxSH
parent
c326492464
commit
3c2ff2933a
6 changed files with 327 additions and 145 deletions
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@ -16,7 +16,6 @@
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#include <string.h>
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#include <stdint.h>
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#include <errno.h>
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#include "gpio.h"
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#include "utils.h"
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@ -15,7 +15,7 @@
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*/
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#pragma once
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#include "types.h"
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#include <stdint.h>
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#define GPIO_BASE 0x6000D000
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#define MAKE_GPIO_REG(n) MAKE_REG32(GPIO_BASE + n)
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@ -94,8 +94,8 @@ static inline volatile tegra_gpio_t *gpio_get_regs(void)
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((TEGRA_GPIO_PORT_##port * 8) + offset)
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/* Mode select */
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#define GPIO_MODE_GPIO 0
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#define GPIO_MODE_SDIO 1
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#define GPIO_MODE_SFIO 0
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#define GPIO_MODE_GPIO 1
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/* Direction */
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#define GPIO_DIRECTION_INPUT 0
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@ -4,9 +4,11 @@
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int main(void)
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{
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uart_config(UART_C);
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uart_reset(UART_C);
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uart_init(UART_C, 115200, true);
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//uart_send(UART_C, "0123\n", 3);
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serialLog("Hello from Thermosphere!\n");
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serialLog("Hello from Thermosphere!\r\n");
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return 0;
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}
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208
thermosphere/src/pinmux.h
Normal file
208
thermosphere/src/pinmux.h
Normal file
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@ -0,0 +1,208 @@
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/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#define PINMUX_BASE 0x70003000
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#define MAKE_PINMUX_REG(n) MAKE_REG32(PINMUX_BASE + n)
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#define PINMUX_TRISTATE (1 << 4)
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#define PINMUX_PARKED (1 << 5)
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#define PINMUX_INPUT (1 << 6)
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#define PINMUX_PULL_NONE (0 << 2)
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#define PINMUX_PULL_DOWN (1 << 2)
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#define PINMUX_PULL_UP (2 << 2)
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#define PINMUX_SELECT_FUNCTION0 0
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#define PINMUX_SELECT_FUNCTION1 1
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#define PINMUX_SELECT_FUNCTION2 2
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#define PINMUX_SELECT_FUNCTION3 3
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#define PINMUX_DRIVE_1X (0 << 13)
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#define PINMUX_DRIVE_2X (1 << 13)
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#define PINMUX_DRIVE_3X (2 << 13)
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#define PINMUX_DRIVE_4X (3 << 13)
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typedef struct {
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uint32_t sdmmc1_clk;
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uint32_t sdmmc1_cmd;
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uint32_t sdmmc1_dat3;
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uint32_t sdmmc1_dat2;
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uint32_t sdmmc1_dat1;
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uint32_t sdmmc1_dat0;
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uint32_t _r18;
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uint32_t sdmmc3_clk;
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uint32_t sdmmc3_cmd;
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uint32_t sdmmc3_dat0;
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uint32_t sdmmc3_dat1;
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uint32_t sdmmc3_dat2;
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uint32_t sdmmc3_dat3;
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uint32_t _r34;
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uint32_t pex_l0_rst_n;
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uint32_t pex_l0_clkreq_n;
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uint32_t pex_wake_n;
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uint32_t pex_l1_rst_n;
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uint32_t pex_l1_clkreq_n;
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uint32_t sata_led_active;
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uint32_t spi1_mosi;
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uint32_t spi1_miso;
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uint32_t spi1_sck;
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uint32_t spi1_cs0;
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uint32_t spi1_cs1;
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uint32_t spi2_mosi;
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uint32_t spi2_miso;
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uint32_t spi2_sck;
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uint32_t spi2_cs0;
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uint32_t spi2_cs1;
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uint32_t spi4_mosi;
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uint32_t spi4_miso;
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uint32_t spi4_sck;
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uint32_t spi4_cs0;
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uint32_t qspi_sck;
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uint32_t qspi_cs_n;
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uint32_t qspi_io0;
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uint32_t qspi_io1;
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uint32_t qspi_io2;
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uint32_t qspi_io3;
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uint32_t _ra0;
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uint32_t dmic1_clk;
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uint32_t dmic1_dat;
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uint32_t dmic2_clk;
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uint32_t dmic2_dat;
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uint32_t dmic3_clk;
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uint32_t dmic3_dat;
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uint32_t gen1_i2c_scl;
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uint32_t gen1_i2c_sda;
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uint32_t gen2_i2c_scl;
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uint32_t gen2_i2c_sda;
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uint32_t gen3_i2c_scl;
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uint32_t gen3_i2c_sda;
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uint32_t cam_i2c_scl;
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uint32_t cam_i2c_sda;
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uint32_t pwr_i2c_scl;
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uint32_t pwr_i2c_sda;
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uint32_t uart1_tx;
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uint32_t uart1_rx;
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uint32_t uart1_rts;
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uint32_t uart1_cts;
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uint32_t uart2_tx;
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uint32_t uart2_rx;
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uint32_t uart2_rts;
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uint32_t uart2_cts;
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uint32_t uart3_tx;
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uint32_t uart3_rx;
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uint32_t uart3_rts;
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uint32_t uart3_cts;
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uint32_t uart4_tx;
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uint32_t uart4_rx;
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uint32_t uart4_rts;
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uint32_t uart4_cts;
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uint32_t dap1_fs;
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uint32_t dap1_din;
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uint32_t dap1_dout;
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uint32_t dap1_sclk;
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uint32_t dap2_fs;
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uint32_t dap2_din;
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uint32_t dap2_dout;
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uint32_t dap2_sclk;
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uint32_t dap4_fs;
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uint32_t dap4_din;
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uint32_t dap4_dout;
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uint32_t dap4_sclk;
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uint32_t cam1_mclk;
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uint32_t cam2_mclk;
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uint32_t jtag_rtck;
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uint32_t clk_32k_in;
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uint32_t clk_32k_out;
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uint32_t batt_bcl;
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uint32_t clk_req;
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uint32_t cpu_pwr_req;
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uint32_t pwr_int_n;
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uint32_t shutdown;
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uint32_t core_pwr_req;
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uint32_t aud_mclk;
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uint32_t dvfs_pwm;
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uint32_t dvfs_clk;
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uint32_t gpio_x1_aud;
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uint32_t gpio_x3_aud;
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uint32_t pcc7;
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uint32_t hdmi_cec;
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uint32_t hdmi_int_dp_hpd;
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uint32_t spdif_out;
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uint32_t spdif_in;
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uint32_t usb_vbus_en0;
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uint32_t usb_vbus_en1;
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uint32_t dp_hpd0;
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uint32_t wifi_en;
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uint32_t wifi_rst;
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uint32_t wifi_wake_ap;
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uint32_t ap_wake_bt;
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uint32_t bt_rst;
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uint32_t bt_wake_ap;
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uint32_t ap_wake_nfc;
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uint32_t nfc_en;
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uint32_t nfc_int;
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uint32_t gps_en;
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uint32_t gps_rst;
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uint32_t cam_rst;
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uint32_t cam_af_en;
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uint32_t cam_flash_en;
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uint32_t cam1_pwdn;
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uint32_t cam2_pwdn;
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uint32_t cam1_strobe;
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uint32_t lcd_te;
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uint32_t lcd_bl_pwm;
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uint32_t lcd_bl_en;
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uint32_t lcd_rst;
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uint32_t lcd_gpio1;
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uint32_t lcd_gpio2;
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uint32_t ap_ready;
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uint32_t touch_rst;
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uint32_t touch_clk;
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uint32_t modem_wake_ap;
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uint32_t touch_int;
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uint32_t motion_int;
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uint32_t als_prox_int;
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uint32_t temp_alert;
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uint32_t button_power_on;
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uint32_t button_vol_up;
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uint32_t button_vol_down;
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uint32_t button_slide_sw;
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uint32_t button_home;
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uint32_t pa6;
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uint32_t pe6;
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uint32_t pe7;
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uint32_t ph6;
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uint32_t pk0;
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uint32_t pk1;
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uint32_t pk2;
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uint32_t pk3;
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uint32_t pk4;
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uint32_t pk5;
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uint32_t pk6;
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uint32_t pk7;
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uint32_t pl0;
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uint32_t pl1;
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uint32_t pz0;
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uint32_t pz1;
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uint32_t pz2;
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uint32_t pz3;
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uint32_t pz4;
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uint32_t pz5;
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} tegra_pinmux_t;
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static inline volatile tegra_pinmux_t *pinmux_get_regs(void)
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{
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return (volatile tegra_pinmux_t *)PINMUX_BASE;
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}
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@ -15,144 +15,118 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "timers.h"
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#include "uart.h"
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#include "misc.h"
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#include "car.h"
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#include "timers.h"
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#include "pinmux.h"
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#include "gpio.h"
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#include "car.h"
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static inline void uart_wait_cycles(u32 baud, u32 num)
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{
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udelay((num * 1000000 + 16 * baud - 1) / (16 * baud));
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}
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static inline void uart_wait_syms(u32 baud, u32 num)
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{
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udelay((num * 1000000 + baud - 1) / baud);
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}
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void uart_select(UartDevice dev)
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{
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unsigned int id = (unsigned int)dev;
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PINMUX_AUX_UARTn_TX_0(id) = 0; /* UART */
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PINMUX_AUX_UARTn_RX_0(id) = 0x48; /* UART, enable, pull up */
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PINMUX_AUX_UARTn_RTS_0(id) = 0; /* UART */
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PINMUX_AUX_UARTn_CTS_0(id) = 0x44; /* UART, enable, pull down */
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}
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void uart_set_baudrate(UartDevice dev, u32 baud)
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{
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//Set baud rate.
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volatile uart_t *uart = get_uart_device(dev);
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// Round to closest (hence the 8 * baud: +0.5)
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u32 rate = (8 * baud + UART_CLKRATE) / (16 * baud);
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// Enable DLAB
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uart->UART_LCR |= UART_LCR_DLAB;
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// Set divisor
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uart->UART_THR_DLAB = (u8)rate;
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uart->UART_IER_DLAB = (u8)(rate >> 8);
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// Disable DLAB
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uart->UART_LCR &= ~UART_LCR_DLAB;
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uart->UART_LSR;
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// Wait 2 characters worth of time
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uart_wait_syms(baud, 2);
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}
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void uart_flush_fifos(UartDevice dev, u32 baud, bool reset)
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{
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volatile uart_t *uart = get_uart_device(dev);
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if (reset) {
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uart->UART_IIR_FCR &= ~UART_FCR_FCR_EN_FIFO;
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udelay(60); // From nvidia
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uart->UART_IIR_FCR |= UART_FCR_TX_CLR | UART_FCR_RX_CLR;
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uart->UART_IIR_FCR |= UART_FCR_FCR_EN_FIFO;
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} else {
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uart->UART_IIR_FCR |= UART_FCR_TX_CLR | UART_FCR_RX_CLR;
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void uart_config(UartDevice dev) {
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volatile tegra_pinmux_t *pinmux = pinmux_get_regs();
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switch (dev) {
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case UART_A:
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pinmux->uart1_rx = 0;
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pinmux->uart1_tx = (PINMUX_INPUT | PINMUX_PULL_UP);
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pinmux->uart1_rts = 0;
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pinmux->uart1_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
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break;
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case UART_B:
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pinmux->uart2_rx = 0;
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pinmux->uart2_tx = (PINMUX_INPUT | PINMUX_PULL_UP);
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pinmux->uart2_rts = 0;
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pinmux->uart2_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
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break;
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case UART_C:
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pinmux->uart3_rx = 0;
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pinmux->uart3_tx = (PINMUX_INPUT | PINMUX_PULL_UP);
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pinmux->uart3_rts = 0;
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pinmux->uart3_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
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break;
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case UART_D:
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pinmux->uart4_rx = 0;
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pinmux->uart4_tx = (PINMUX_INPUT | PINMUX_PULL_UP);
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pinmux->uart4_rts = 0;
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pinmux->uart4_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
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break;
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case UART_E:
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/* Unused. */
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break;
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default: break;
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}
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uart->UART_LSR;
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// Erratum fix
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uart_wait_cycles(baud, 32);
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}
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void uart_init(UartDevice dev, u32 baud, bool txInverted)
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void uart_reset(UartDevice dev)
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{
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volatile uart_t *uart = get_uart_device(dev);
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CarDevice uartCarDevs[] = { CARDEVICE_UARTA, CARDEVICE_UARTB, CARDEVICE_UARTC, CARDEVICE_UARTD };
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if (dev == UART_C) {
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gpio_configure_mode(TEGRA_GPIO(G, 0), GPIO_MODE_GPIO); // Leave UART-B as GPIO
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gpio_configure_mode(TEGRA_GPIO(D, 1), GPIO_MODE_SDIO); // Change UART-C to SPIO
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gpio_configure_mode(TEGRA_GPIO(D, 1), GPIO_MODE_SFIO); // Change UART-C to SPIO
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// Fixme other uart?
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}
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uart_select(dev);
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clkrst_reboot(uartCarDevs[dev]);
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}
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void uart_init(UartDevice dev, uint32_t baud, bool inverted) {
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volatile tegra_uart_t *uart = uart_get_regs(dev);
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/* Wait for idle state. */
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uart_wait_idle(dev, UART_VENDOR_STATE_TX_IDLE);
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/* Calculate baud rate. */
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uint32_t rate = (8 * baud + 408000000) / (16 * baud);
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/* Setup UART in FIFO mode. */
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uart->UART_IER_DLAB = 0;
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uart->UART_MCR = 0;
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uart->UART_MSR = 0;
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uart->UART_RX_FIFO_CFG = 1; // Reset value
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uart->UART_MIE = 0;
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uart->UART_ASR = 0;
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// Enable FIFO, etc
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uart->UART_IIR_FCR = UART_FCR_FCR_EN_FIFO | UART_FCR_TX_TRIG_FIFO_COUNT_GREATER_16 | UART_FCR_RX_TRIG_FIFO_COUNT_GREATER_1;
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uart->UART_IRDA_CSR = txInverted ? 2 : 0;
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uart->UART_LSR;
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// Erratum fix
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uart_wait_cycles(baud, 3);
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// Set baud rate, etc.
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uart->UART_LCR = UART_LCR_WD_LENGTH_8;
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uart_set_baudrate(dev, baud);
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uart_flush_fifos(dev, baud, true);
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uart->UART_LCR = (UART_LCR_DLAB | UART_LCR_WD_LENGTH_8); /* Enable DLAB and set word length 8. */
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uart->UART_THR_DLAB = (uint8_t)rate; /* Divisor latch LSB. */
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uart->UART_IER_DLAB = (uint8_t)(rate >> 8); /* Divisor latch MSB. */
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uart->UART_LCR &= ~(UART_LCR_DLAB); /* Disable DLAB. */
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/* Flush FIFO. */
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uart->UART_IIR_FCR = (UART_FCR_FCR_EN_FIFO | UART_FCR_RX_CLR | UART_FCR_TX_CLR); /* Enable and clear TX and RX FIFOs. */
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uart->UART_IRDA_CSR = inverted ? 2 : 0; /* Invert TX */
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udelay(3 * ((baud + 999999) / baud));
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/* Wait for idle state. */
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uart_wait_idle(dev, UART_VENDOR_STATE_TX_IDLE | UART_VENDOR_STATE_RX_IDLE);
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}
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// This function blocks until the UART device (dev) is in the desired state (status). Make sure the desired state can be reached!
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void uart_wait_idle(UartDevice dev, UartVendorStatus status)
|
||||
{
|
||||
while (!(get_uart_device(dev)->UART_VENDOR_STATUS & status));
|
||||
/* This function blocks until the UART device is in the desired state. */
|
||||
void uart_wait_idle(UartDevice dev, UartVendorStatus status) {
|
||||
volatile tegra_uart_t *uart = uart_get_regs(dev);
|
||||
|
||||
if (status & UART_VENDOR_STATE_TX_IDLE) {
|
||||
while (!(uart->UART_LSR & UART_LSR_TMTY)) {
|
||||
/* Wait */
|
||||
}
|
||||
}
|
||||
if (status & UART_VENDOR_STATE_RX_IDLE) {
|
||||
while (uart->UART_LSR & UART_LSR_RDR) {
|
||||
/* Wait */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void uart_send(UartDevice dev, const void *buf, size_t len)
|
||||
{
|
||||
volatile uart_t *uart = get_uart_device(dev);
|
||||
const u8 *buf8 = (const u8 *)buf;
|
||||
void uart_send(UartDevice dev, const void *buf, size_t len) {
|
||||
volatile tegra_uart_t *uart = uart_get_regs(dev);
|
||||
|
||||
for (size_t i = 0; i < len; i++) {
|
||||
while (uart->UART_LSR & UART_LSR_TX_FIFO_FULL);
|
||||
uart->UART_THR_DLAB = buf8[i];
|
||||
while (!(uart->UART_LSR & UART_LSR_THRE)) {
|
||||
/* Wait until it's possible to send data. */
|
||||
}
|
||||
uart->UART_THR_DLAB = *((const uint8_t *)buf + i);
|
||||
}
|
||||
}
|
||||
|
||||
void uart_recv(UartDevice dev, void *buf, size_t len)
|
||||
{
|
||||
volatile uart_t *uart = get_uart_device(dev);
|
||||
u8 *buf8 = (u8 *)buf;
|
||||
void uart_recv(UartDevice dev, void *buf, size_t len) {
|
||||
volatile tegra_uart_t *uart = uart_get_regs(dev);
|
||||
|
||||
for (size_t i = 0; i < len; i++) {
|
||||
while (uart->UART_LSR & UART_LSR_RX_FIFO_EMPTY);
|
||||
buf8[i] = uart->UART_THR_DLAB;
|
||||
while (!(uart->UART_LSR & UART_LSR_RDR)) {
|
||||
/* Wait until it's possible to receive data. */
|
||||
}
|
||||
*((uint8_t *)buf + i) = uart->UART_THR_DLAB;
|
||||
}
|
||||
}
|
||||
|
||||
size_t uart_recv_max(UartDevice dev, void *buf, size_t maxlen)
|
||||
{
|
||||
volatile uart_t *uart = get_uart_device(dev);
|
||||
u8 *buf8 = (u8 *)buf;
|
||||
size_t i;
|
||||
|
||||
for (i = 0; i < maxlen && !(uart->UART_LSR & UART_LSR_RX_FIFO_EMPTY); i++) {
|
||||
buf8[i] = uart->UART_THR_DLAB;
|
||||
}
|
||||
|
||||
return i;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -14,15 +14,16 @@
|
|||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
|
||||
#pragma once
|
||||
#include "utils.h"
|
||||
|
||||
#include "types.h"
|
||||
|
||||
#define UART_BASE 0x70006000
|
||||
|
||||
#define BAUD_115200 115200
|
||||
#define UART_CLKRATE 408000000
|
||||
/* Exosphère: add the clkreset values for UART C,D,E */
|
||||
#define BAUD_115200 115200
|
||||
|
||||
/* UART devices */
|
||||
typedef enum {
|
||||
UART_A = 0,
|
||||
UART_B = 1,
|
||||
|
|
@ -139,32 +140,30 @@ typedef enum {
|
|||
} UartInterruptIdentification;
|
||||
|
||||
typedef struct {
|
||||
/* 0x00 */ u32 UART_THR_DLAB;
|
||||
/* 0x04 */ u32 UART_IER_DLAB;
|
||||
/* 0x08 */ u32 UART_IIR_FCR;
|
||||
/* 0x0C */ u32 UART_LCR;
|
||||
/* 0x10 */ u32 UART_MCR;
|
||||
/* 0x14 */ u32 UART_LSR;
|
||||
/* 0x18 */ u32 UART_MSR;
|
||||
/* 0x1C */ u32 UART_SPR;
|
||||
/* 0x20 */ u32 UART_IRDA_CSR;
|
||||
/* 0x24 */ u32 UART_RX_FIFO_CFG;
|
||||
/* 0x28 */ u32 UART_MIE;
|
||||
/* 0x2C */ u32 UART_VENDOR_STATUS;
|
||||
/* 0x30 */ uint8_t _pad_30[0x0C];
|
||||
/* 0x3C */ u32 UART_ASR;
|
||||
} uart_t;
|
||||
uint32_t UART_THR_DLAB;
|
||||
uint32_t UART_IER_DLAB;
|
||||
uint32_t UART_IIR_FCR;
|
||||
uint32_t UART_LCR;
|
||||
uint32_t UART_MCR;
|
||||
uint32_t UART_LSR;
|
||||
uint32_t UART_MSR;
|
||||
uint32_t UART_SPR;
|
||||
uint32_t UART_IRDA_CSR;
|
||||
uint32_t UART_RX_FIFO_CFG;
|
||||
uint32_t UART_MIE;
|
||||
uint32_t UART_VENDOR_STATUS;
|
||||
uint8_t _0x30[0x0C];
|
||||
uint32_t UART_ASR;
|
||||
} tegra_uart_t;
|
||||
|
||||
void uart_select(UartDevice dev);
|
||||
void uart_set_baudrate(UartDevice dev, u32 baud);
|
||||
void uart_flush_fifos(UartDevice dev, u32 baud, bool reset);
|
||||
void uart_init(UartDevice dev, u32 baud, bool txInverted);
|
||||
void uart_config(UartDevice dev);
|
||||
void uart_reset(UartDevice dev);
|
||||
void uart_init(UartDevice dev, uint32_t baud, bool inverted);
|
||||
void uart_wait_idle(UartDevice dev, UartVendorStatus status);
|
||||
void uart_send(UartDevice dev, const void *buf, size_t len);
|
||||
void uart_recv(UartDevice dev, void *buf, size_t len);
|
||||
size_t uart_recv_max(UartDevice dev, void *buf, size_t maxlen);
|
||||
|
||||
static inline volatile uart_t *get_uart_device(UartDevice dev) {
|
||||
static inline volatile tegra_uart_t *uart_get_regs(UartDevice dev) {
|
||||
static const size_t offsets[] = {0, 0x40, 0x200, 0x300, 0x400};
|
||||
return (volatile uart_t *)(UART_BASE + offsets[dev]);
|
||||
return (volatile tegra_uart_t *)(UART_BASE + offsets[dev]);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue