thermosphere: add qemu support

This commit is contained in:
TuxSH
2019-07-22 01:04:53 +02:00
parent 02c27a482a
commit 8e73bdef4c
19 changed files with 343 additions and 26 deletions

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/*
* Copyright (c) 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/>.
*/
#include "uart.h"
#include "../../utils.h"
// Adapted from ARM TF asm code
// AMBA PL101 driver
/*
* Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
//115200
void uartInit(u32 baudRate)
{
// First, disable UART
g_uartRegs->CR &= ~PL011_UARTCR_UARTEN;
// Set baudrate, Divisor = (Uart clock * 4) / baudrate; stored in IBRD|FBRD
u32 divisor = (4 * UART0_CLK_IN_HZ) / baudRate;
g_uartRegs->IBRD = divisor >> 6;
g_uartRegs->FBRD = divisor & 0x3F;
g_uartRegs->LCR_H = PL011_LINE_CONTROL;
// Clear any pending errors
g_uartRegs->ECR = 0;
// Enable tx, rx, and uart overall
g_uartRegs->CR = PL011_UARTCR_RXE | PL011_UARTCR_TXE | PL011_UARTCR_UARTEN;
}
void uartWriteData(const void *buffer, size_t size)
{
const u8 *buf8 = (const u8 *)buffer;
for (size_t i = 0; i < size; i++) {
while (g_uartRegs->FR & PL011_UARTFR_TXFF); // while TX FIFO full
g_uartRegs->DR = buf8[i];
}
}
void uartReadData(void *buffer, size_t size)
{
u8 *buf8 = (u8 *)buffer;
size_t i;
for (i = 0; i < size; i++) {
while (g_uartRegs->FR & PL011_UARTFR_RXFE);
buf8[i] = g_uartRegs->DR;
}
}
size_t uartReadDataMax(void *buffer, size_t maxSize)
{
u8 *buf8 = (u8 *)buffer;
size_t i;
for (i = 0; i < maxSize && !(g_uartRegs->FR & PL011_UARTFR_RXFE); i++) {
buf8[i] = g_uartRegs->DR;
}
return 1 + i;
}

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/*
* Copyright (c) 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/>.
*/
#pragma once
#include "../../types.h"
// AMBA PL011 driver
/*
* Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#if 0
/* PL011 Registers */
#define UARTDR 0x000
#define UARTRSR 0x004
#define UARTECR 0x004
#define UARTFR 0x018
#define UARTIMSC 0x038
#define UARTRIS 0x03C
#define UARTICR 0x044
/* PL011 registers (out of the SBSA specification) */
#if !PL011_GENERIC_UART
#define UARTILPR 0x020
#define UARTIBRD 0x024
#define UARTFBRD 0x028
#define UARTLCR_H 0x02C
#define UARTCR 0x030
#define UARTIFLS 0x034
#define UARTMIS 0x040
#define UARTDMACR 0x048
#endif /* !PL011_GENERIC_UART */
#endif
typedef struct PL011UartRegisters {
u32 DR;
union {
u32 SR;
u32 ECR;
};
u32 _0x08, _0x0C, _0x10;
u32 FR;
u32 _0x1C;
u32 ILPR;
u32 IBRD;
u32 FBRD;
u32 LCR_H;
u32 CR;
u32 IFLS;
u32 IMSC;
u32 TRIS;
u32 TMIS;
u32 TICR;
u32 TDMACR;
} PL011UartRegisters;
/* Data status bits */
#define UART_DATA_ERROR_MASK 0x0F00
/* Status reg bits */
#define UART_STATUS_ERROR_MASK 0x0F
/* Flag reg bits */
#define PL011_UARTFR_RI (1 << 8) /* Ring indicator */
#define PL011_UARTFR_TXFE (1 << 7) /* Transmit FIFO empty */
#define PL011_UARTFR_RXFF (1 << 6) /* Receive FIFO full */
#define PL011_UARTFR_TXFF (1 << 5) /* Transmit FIFO full */
#define PL011_UARTFR_RXFE (1 << 4) /* Receive FIFO empty */
#define PL011_UARTFR_BUSY (1 << 3) /* UART busy */
#define PL011_UARTFR_DCD (1 << 2) /* Data carrier detect */
#define PL011_UARTFR_DSR (1 << 1) /* Data set ready */
#define PL011_UARTFR_CTS (1 << 0) /* Clear to send */
#define PL011_UARTFR_TXFF_BIT 5 /* Transmit FIFO full bit in UARTFR register */
#define PL011_UARTFR_RXFE_BIT 4 /* Receive FIFO empty bit in UARTFR register */
#define PL011_UARTFR_BUSY_BIT 3 /* UART busy bit in UARTFR register */
/* Control reg bits */
#if !PL011_GENERIC_UART
#define PL011_UARTCR_CTSEN (1 << 15) /* CTS hardware flow control enable */
#define PL011_UARTCR_RTSEN (1 << 14) /* RTS hardware flow control enable */
#define PL011_UARTCR_RTS (1 << 11) /* Request to send */
#define PL011_UARTCR_DTR (1 << 10) /* Data transmit ready. */
#define PL011_UARTCR_RXE (1 << 9) /* Receive enable */
#define PL011_UARTCR_TXE (1 << 8) /* Transmit enable */
#define PL011_UARTCR_LBE (1 << 7) /* Loopback enable */
#define PL011_UARTCR_UARTEN (1 << 0) /* UART Enable */
#if !defined(PL011_LINE_CONTROL)
/* FIFO Enabled / No Parity / 8 Data bit / One Stop Bit */
#define PL011_LINE_CONTROL (PL011_UARTLCR_H_FEN | PL011_UARTLCR_H_WLEN_8)
#endif
/* Line Control Register Bits */
#define PL011_UARTLCR_H_SPS (1 << 7) /* Stick parity select */
#define PL011_UARTLCR_H_WLEN_8 (3 << 5)
#define PL011_UARTLCR_H_WLEN_7 (2 << 5)
#define PL011_UARTLCR_H_WLEN_6 (1 << 5)
#define PL011_UARTLCR_H_WLEN_5 (0 << 5)
#define PL011_UARTLCR_H_FEN (1 << 4) /* FIFOs Enable */
#define PL011_UARTLCR_H_STP2 (1 << 3) /* Two stop bits select */
#define PL011_UARTLCR_H_EPS (1 << 2) /* Even parity select */
#define PL011_UARTLCR_H_PEN (1 << 1) /* Parity Enable */
#define PL011_UARTLCR_H_BRK (1 << 0) /* Send break */
#endif /* !PL011_GENERIC_UART */
#define UART0_BASE 0x09000000
#define UART1_BASE 0x09040000
#define UART0_CLK_IN_HZ 1
#define UART1_CLK_IN_HZ 1
static volatile PL011UartRegisters *const g_uartRegs = (volatile PL011UartRegisters *)UART0_BASE;
void uartInit(u32 baudRate);
void uartWriteData(const void *buffer, size_t size);
void uartReadData(void *buffer, size_t size);
size_t uartReadDataMax(void *buffer, size_t maxSize);

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/*
* 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/>.
*/
#include "car.h"
#include "timers.h"
#include "../../utils.h"
static inline uint32_t get_clk_source_reg(CarDevice dev) {
switch (dev) {
case CARDEVICE_UARTA: return 0x178;
case CARDEVICE_UARTB: return 0x17C;
case CARDEVICE_UARTC: return 0x1A0;
case CARDEVICE_UARTD: return 0x1C0;
case CARDEVICE_I2C1: return 0x124;
case CARDEVICE_I2C5: return 0x128;
case CARDEVICE_TZRAM: return 0;
case CARDEVICE_SE: return 0x42C;
case CARDEVICE_HOST1X: return 0x180;
case CARDEVICE_TSEC: return 0x1F4;
case CARDEVICE_SOR_SAFE: return 0;
case CARDEVICE_SOR0: return 0;
case CARDEVICE_SOR1: return 0x410;
case CARDEVICE_KFUSE: return 0;
case CARDEVICE_CL_DVFS: return 0;
case CARDEVICE_CORESIGHT: return 0x1D4;
case CARDEVICE_ACTMON: return 0x3E8;
case CARDEVICE_BPMP: return 0;
default: return 0;//generic_panic();
}
}
static inline uint32_t get_clk_source_val(CarDevice dev) {
switch (dev) {
case CARDEVICE_UARTA: return 0;
case CARDEVICE_UARTB: return 0;
case CARDEVICE_UARTC: return 0;
case CARDEVICE_UARTD: return 0;
case CARDEVICE_I2C1: return 6;
case CARDEVICE_I2C5: return 6;
case CARDEVICE_TZRAM: return 0;
case CARDEVICE_SE: return 0;
case CARDEVICE_HOST1X: return 4;
case CARDEVICE_TSEC: return 0;
case CARDEVICE_SOR_SAFE: return 0;
case CARDEVICE_SOR0: return 0;
case CARDEVICE_SOR1: return 0;
case CARDEVICE_KFUSE: return 0;
case CARDEVICE_CL_DVFS: return 0;
case CARDEVICE_CORESIGHT: return 0;
case CARDEVICE_ACTMON: return 6;
case CARDEVICE_BPMP: return 0;
default: return 0;//generic_panic();
}
}
static inline uint32_t get_clk_source_div(CarDevice dev) {
switch (dev) {
case CARDEVICE_UARTA: return 0;
case CARDEVICE_UARTB: return 0;
case CARDEVICE_UARTC: return 0;
case CARDEVICE_UARTD: return 0;
case CARDEVICE_I2C1: return 0;
case CARDEVICE_I2C5: return 0;
case CARDEVICE_TZRAM: return 0;
case CARDEVICE_SE: return 0;
case CARDEVICE_HOST1X: return 3;
case CARDEVICE_TSEC: return 2;
case CARDEVICE_SOR_SAFE: return 0;
case CARDEVICE_SOR0: return 0;
case CARDEVICE_SOR1: return 2;
case CARDEVICE_KFUSE: return 0;
case CARDEVICE_CL_DVFS: return 0;
case CARDEVICE_CORESIGHT: return 4;
case CARDEVICE_ACTMON: return 0;
case CARDEVICE_BPMP: return 0;
default: return 0;//generic_panic();
}
}
static uint32_t g_clk_reg_offsets[NUM_CAR_BANKS] = {0x010, 0x014, 0x018, 0x360, 0x364, 0x280, 0x298};
static uint32_t g_rst_reg_offsets[NUM_CAR_BANKS] = {0x004, 0x008, 0x00C, 0x358, 0x35C, 0x28C, 0x2A4};
void clk_enable(CarDevice dev) {
uint32_t clk_source_reg;
if ((clk_source_reg = get_clk_source_reg(dev))) {
MAKE_CAR_REG(clk_source_reg) = (get_clk_source_val(dev) << 29) | get_clk_source_div(dev);
}
MAKE_CAR_REG(g_clk_reg_offsets[dev >> 5]) |= BIT(dev & 0x1F);
}
void clk_disable(CarDevice dev) {
MAKE_CAR_REG(g_clk_reg_offsets[dev >> 5]) &= ~(BIT(dev & 0x1F));
}
void rst_enable(CarDevice dev) {
MAKE_CAR_REG(g_rst_reg_offsets[dev >> 5]) |= BIT(dev & 0x1F);
}
void rst_disable(CarDevice dev) {
MAKE_CAR_REG(g_rst_reg_offsets[dev >> 5]) &= ~(BIT(dev & 0x1F));
}
void clkrst_enable(CarDevice dev) {
clk_enable(dev);
rst_disable(dev);
}
void clkrst_disable(CarDevice dev) {
rst_enable(dev);
clk_disable(dev);
}
void clkrst_reboot(CarDevice dev) {
clkrst_disable(dev);
if (dev == CARDEVICE_KFUSE) {
/* Workaround for KFUSE clock. */
clk_enable(dev);
udelay(100);
rst_disable(dev);
udelay(200);
} else {
clkrst_enable(dev);
}
}
void clkrst_enable_fuse_regs(bool enable) {
volatile tegra_car_t *car = car_get_regs();
car->misc_clk_enb = ((car->misc_clk_enb & 0xEFFFFFFF) | ((enable & 1) << 28));
}

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/*
* 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/>.
*/
#pragma once
#include "../../utils.h"
#define CAR_BASE 0x60006000
#define MAKE_CAR_REG(n) MAKE_REG32(CAR_BASE + n)
#define CLK_L_SDMMC1 (1 << 14)
#define CLK_L_SDMMC2 (1 << 9)
#define CLK_U_SDMMC3 (1 << 5)
#define CLK_L_SDMMC4 (1 << 15)
#define CLK_SOURCE_MASK (0b111 << 29)
#define CLK_SOURCE_FIRST (0b000 << 29)
#define CLK_DIVIDER_MASK (0xff << 0)
#define CLK_DIVIDER_UNITY (0x00 << 0)
#define NUM_CAR_BANKS 7
/* Clock and reset devices. */
typedef enum {
CARDEVICE_UARTA = ((0 << 5) | 0x6),
CARDEVICE_UARTB = ((0 << 5) | 0x7),
CARDEVICE_UARTC = ((1 << 5) | 0x17),
CARDEVICE_UARTD = ((2 << 5) | 0x1),
CARDEVICE_I2C1 = ((0 << 5) | 0xC),
CARDEVICE_I2C5 = ((1 << 5) | 0xF),
CARDEVICE_TZRAM = ((3 << 5) | 0x1E),
CARDEVICE_SE = ((3 << 5) | 0x1F),
CARDEVICE_HOST1X = ((0 << 5) | 0x1C),
CARDEVICE_TSEC = ((2 << 5) | 0x13),
CARDEVICE_SOR_SAFE = ((6 << 5) | 0x1E),
CARDEVICE_SOR0 = ((5 << 5) | 0x16),
CARDEVICE_SOR1 = ((5 << 5) | 0x17),
CARDEVICE_KFUSE = ((1 << 5) | 0x8),
CARDEVICE_CL_DVFS = ((4 << 5) | 0x1B),
CARDEVICE_CORESIGHT = ((2 << 5) | 0x9),
CARDEVICE_ACTMON = ((3 << 5) | 0x17),
CARDEVICE_BPMP = ((0 << 5) | 0x1)
} CarDevice;
/* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
typedef struct {
uint32_t rst_src; /* _RST_SOURCE_0, 0x00 */
/* _RST_DEVICES_L/H/U_0 0x4-0xc */
uint32_t rst_dev_l;
uint32_t rst_dev_h;
uint32_t rst_dev_u;
/* _CLK_OUT_ENB_L/H/U_0 0x10-0x18 */
uint32_t clk_out_enb_l;
uint32_t clk_out_enb_h;
uint32_t clk_out_enb_u;
uint32_t _0x1C;
uint32_t cclk_brst_pol; /* _CCLK_BURST_POLICY_0, 0x20 */
uint32_t super_cclk_div; /* _SUPER_CCLK_DIVIDER_0, 0x24 */
uint32_t sclk_brst_pol; /* _SCLK_BURST_POLICY_0, 0x28 */
uint32_t super_sclk_div; /* _SUPER_SCLK_DIVIDER_0, 0x2c */
uint32_t clk_sys_rate; /* _CLK_SYSTEM_RATE_0, 0x30 */
uint32_t prog_dly_clk; /* _PROG_DLY_CLK_0, 0x34 */
uint32_t aud_sync_clk_rate; /* _AUDIO_SYNC_CLK_RATE_0, 0x38 */
uint32_t _0x3C;
uint32_t cop_clk_skip_plcy; /* _COP_CLK_SKIP_POLICY_0, 0x40 */
uint32_t clk_mask_arm; /* _CLK_MASK_ARM_0, 0x44 */
uint32_t misc_clk_enb; /* _MISC_CLK_ENB_0, 0x48 */
uint32_t clk_cpu_cmplx; /* _CLK_CPU_CMPLX_0, 0x4c */
uint32_t osc_ctrl; /* _OSC_CTRL_0, 0x50 */
uint32_t pll_lfsr; /* _PLL_LFSR_0, 0x54 */
uint32_t osc_freq_det; /* _OSC_FREQ_DET_0, 0x58 */
uint32_t osc_freq_det_stat; /* _OSC_FREQ_DET_STATUS_0, 0x5c */
uint32_t _0x60[2];
uint32_t plle_ss_cntl; /* _PLLE_SS_CNTL_0, 0x68 */
uint32_t plle_misc1; /* _PLLE_MISC1_0, 0x6c */
uint32_t _0x70[4];
/* PLLC 0x80-0x8c */
uint32_t pllc_base;
uint32_t pllc_out;
uint32_t pllc_misc0;
uint32_t pllc_misc1;
/* PLLM 0x90-0x9c */
uint32_t pllm_base;
uint32_t pllm_out;
uint32_t pllm_misc1;
uint32_t pllm_misc2;
/* PLLP 0xa0-0xac */
uint32_t pllp_base;
uint32_t pllp_outa;
uint32_t pllp_outb;
uint32_t pllp_misc;
/* PLLA 0xb0-0xbc */
uint32_t plla_base;
uint32_t plla_out;
uint32_t plla_misc0;
uint32_t plla_misc1;
/* PLLU 0xc0-0xcc */
uint32_t pllu_base;
uint32_t pllu_out;
uint32_t pllu_misc1;
uint32_t pllu_misc2;
/* PLLD 0xd0-0xdc */
uint32_t plld_base;
uint32_t plld_out;
uint32_t plld_misc1;
uint32_t plld_misc2;
/* PLLX 0xe0-0xe4 */
uint32_t pllx_base;
uint32_t pllx_misc;
/* PLLE 0xe8-0xf4 */
uint32_t plle_base;
uint32_t plle_misc;
uint32_t plle_ss_cntl1;
uint32_t plle_ss_cntl2;
uint32_t lvl2_clk_gate_ovra; /* _LVL2_CLK_GATE_OVRA_0, 0xf8 */
uint32_t lvl2_clk_gate_ovrb; /* _LVL2_CLK_GATE_OVRB_0, 0xfc */
uint32_t clk_source_i2s2; /* _CLK_SOURCE_I2S2_0, 0x100 */
uint32_t clk_source_i2s3; /* _CLK_SOURCE_I2S3_0, 0x104 */
uint32_t clk_source_spdif_out; /* _CLK_SOURCE_SPDIF_OUT_0, 0x108 */
uint32_t clk_source_spdif_in; /* _CLK_SOURCE_SPDIF_IN_0, 0x10c */
uint32_t clk_source_pwm; /* _CLK_SOURCE_PWM_0, 0x110 */
uint32_t _0x114;
uint32_t clk_source_spi2; /* _CLK_SOURCE_SPI2_0, 0x118 */
uint32_t clk_source_spi3; /* _CLK_SOURCE_SPI3_0, 0x11c */
uint32_t _0x120;
uint32_t clk_source_i2c1; /* _CLK_SOURCE_I2C1_0, 0x124 */
uint32_t clk_source_i2c5; /* _CLK_SOURCE_I2C5_0, 0x128 */
uint32_t _0x12c[2];
uint32_t clk_source_spi1; /* _CLK_SOURCE_SPI1_0, 0x134 */
uint32_t clk_source_disp1; /* _CLK_SOURCE_DISP1_0, 0x138 */
uint32_t clk_source_disp2; /* _CLK_SOURCE_DISP2_0, 0x13c */
uint32_t _0x140;
uint32_t clk_source_isp; /* _CLK_SOURCE_ISP_0, 0x144 */
uint32_t clk_source_vi; /* _CLK_SOURCE_VI_0, 0x148 */
uint32_t _0x14c;
uint32_t clk_source_sdmmc1; /* _CLK_SOURCE_SDMMC1_0, 0x150 */
uint32_t clk_source_sdmmc2; /* _CLK_SOURCE_SDMMC2_0, 0x154 */
uint32_t _0x158[3];
uint32_t clk_source_sdmmc4; /* _CLK_SOURCE_SDMMC4_0, 0x164 */
uint32_t _0x168[4];
uint32_t clk_source_uarta; /* _CLK_SOURCE_UARTA_0, 0x178 */
uint32_t clk_source_uartb; /* _CLK_SOURCE_UARTB_0, 0x17c */
uint32_t clk_source_host1x; /* _CLK_SOURCE_HOST1X_0, 0x180 */
uint32_t _0x184[5];
uint32_t clk_source_i2c2; /* _CLK_SOURCE_I2C2_0, 0x198 */
uint32_t clk_source_emc; /* _CLK_SOURCE_EMC_0, 0x19c */
uint32_t clk_source_uartc; /* _CLK_SOURCE_UARTC_0, 0x1a0 */
uint32_t _0x1a4;
uint32_t clk_source_vi_sensor; /* _CLK_SOURCE_VI_SENSOR_0, 0x1a8 */
uint32_t _0x1ac[2];
uint32_t clk_source_spi4; /* _CLK_SOURCE_SPI4_0, 0x1b4 */
uint32_t clk_source_i2c3; /* _CLK_SOURCE_I2C3_0, 0x1b8 */
uint32_t clk_source_sdmmc3; /* _CLK_SOURCE_SDMMC3_0, 0x1bc */
uint32_t clk_source_uartd; /* _CLK_SOURCE_UARTD_0, 0x1c0 */
uint32_t _0x1c4[2];
uint32_t clk_source_owr; /* _CLK_SOURCE_OWR_0, 0x1cc */
uint32_t _0x1d0;
uint32_t clk_source_csite; /* _CLK_SOURCE_CSITE_0, 0x1d4 */
uint32_t clk_source_i2s1; /* _CLK_SOURCE_I2S1_0, 0x1d8 */
uint32_t clk_source_dtv; /* _CLK_SOURCE_DTV_0, 0x1dc */
uint32_t _0x1e0[5];
uint32_t clk_source_tsec; /* _CLK_SOURCE_TSEC_0, 0x1f4 */
uint32_t _0x1f8;
uint32_t clk_spare2; /* _CLK_SPARE2_0, 0x1fc */
uint32_t _0x200[32];
uint32_t clk_out_enb_x; /* _CLK_OUT_ENB_X_0, 0x280 */
uint32_t clk_enb_x_set; /* _CLK_ENB_X_SET_0, 0x284 */
uint32_t clk_enb_x_clr; /* _CLK_ENB_X_CLR_0, 0x288 */
uint32_t rst_devices_x; /* _RST_DEVICES_X_0, 0x28c */
uint32_t rst_dev_x_set; /* _RST_DEV_X_SET_0, 0x290 */
uint32_t rst_dev_x_clr; /* _RST_DEV_X_CLR_0, 0x294 */
uint32_t clk_out_enb_y; /* _CLK_OUT_ENB_Y_0, 0x298 */
uint32_t clk_enb_y_set; /* _CLK_ENB_Y_SET_0, 0x29c */
uint32_t clk_enb_y_clr; /* _CLK_ENB_Y_CLR_0, 0x2a0 */
uint32_t rst_devices_y; /* _RST_DEVICES_Y_0, 0x2a4 */
uint32_t rst_dev_y_set; /* _RST_DEV_Y_SET_0, 0x2a8 */
uint32_t rst_dev_y_clr; /* _RST_DEV_Y_CLR_0, 0x2ac */
uint32_t _0x2b0[17];
uint32_t dfll_base; /* _DFLL_BASE_0, 0x2f4 */
uint32_t _0x2f8[2];
/* _RST_DEV_L/H/U_SET_0 0x300-0x314 */
uint32_t rst_dev_l_set;
uint32_t rst_dev_l_clr;
uint32_t rst_dev_h_set;
uint32_t rst_dev_h_clr;
uint32_t rst_dev_u_set;
uint32_t rst_dev_u_clr;
uint32_t _0x318[2];
/* _CLK_ENB_L/H/U_CLR_0 0x320-0x334 */
uint32_t clk_enb_l_set;
uint32_t clk_enb_l_clr;
uint32_t clk_enb_h_set;
uint32_t clk_enb_h_clr;
uint32_t clk_enb_u_set;
uint32_t clk_enb_u_clr;
uint32_t _0x338;
uint32_t ccplex_pg_sm_ovrd; /* _CCPLEX_PG_SM_OVRD_0, 0x33c */
uint32_t rst_cpu_cmplx_set; /* _RST_CPU_CMPLX_SET_0, 0x340 */
uint32_t rst_cpu_cmplx_clr; /* _RST_CPU_CMPLX_CLR_0, 0x344 */
/* Additional (T30) registers */
uint32_t clk_cpu_cmplx_set; /* _CLK_CPU_CMPLX_SET_0, 0x348 */
uint32_t clk_cpu_cmplx_clr; /* _CLK_CPU_CMPLX_SET_0, 0x34c */
uint32_t _0x350[2];
uint32_t rst_dev_v; /* _RST_DEVICES_V_0, 0x358 */
uint32_t rst_dev_w; /* _RST_DEVICES_W_0, 0x35c */
uint32_t clk_out_enb_v; /* _CLK_OUT_ENB_V_0, 0x360 */
uint32_t clk_out_enb_w; /* _CLK_OUT_ENB_W_0, 0x364 */
uint32_t cclkg_brst_pol; /* _CCLKG_BURST_POLICY_0, 0x368 */
uint32_t super_cclkg_div; /* _SUPER_CCLKG_DIVIDER_0, 0x36c */
uint32_t cclklp_brst_pol; /* _CCLKLP_BURST_POLICY_0, 0x370 */
uint32_t super_cclkp_div; /* _SUPER_CCLKLP_DIVIDER_0, 0x374 */
uint32_t clk_cpug_cmplx; /* _CLK_CPUG_CMPLX_0, 0x378 */
uint32_t clk_cpulp_cmplx; /* _CLK_CPULP_CMPLX_0, 0x37c */
uint32_t cpu_softrst_ctrl; /* _CPU_SOFTRST_CTRL_0, 0x380 */
uint32_t cpu_softrst_ctrl1; /* _CPU_SOFTRST_CTRL1_0, 0x384 */
uint32_t cpu_softrst_ctrl2; /* _CPU_SOFTRST_CTRL2_0, 0x388 */
uint32_t _0x38c[5];
uint32_t lvl2_clk_gate_ovrc; /* _LVL2_CLK_GATE_OVRC, 0x3a0 */
uint32_t lvl2_clk_gate_ovrd; /* _LVL2_CLK_GATE_OVRD, 0x3a4 */
uint32_t _0x3a8[2];
uint32_t _0x3b0;
uint32_t clk_source_mselect; /* _CLK_SOURCE_MSELECT_0, 0x3b4 */
uint32_t clk_source_tsensor; /* _CLK_SOURCE_TSENSOR_0, 0x3b8 */
uint32_t clk_source_i2s4; /* _CLK_SOURCE_I2S4_0, 0x3bc */
uint32_t clk_source_i2s5; /* _CLK_SOURCE_I2S5_0, 0x3c0 */
uint32_t clk_source_i2c4; /* _CLK_SOURCE_I2C4_0, 0x3c4 */
uint32_t _0x3c8[2];
uint32_t clk_source_ahub; /* _CLK_SOURCE_AHUB_0, 0x3d0 */
uint32_t _0x3d4[4];
uint32_t clk_source_hda2codec_2x; /* _CLK_SOURCE_HDA2CODEC_2X_0, 0x3e4 */
uint32_t clk_source_actmon; /* _CLK_SOURCE_ACTMON_0, 0x3e8 */
uint32_t clk_source_extperiph1; /* _CLK_SOURCE_EXTPERIPH1_0, 0x3ec */
uint32_t clk_source_extperiph2; /* _CLK_SOURCE_EXTPERIPH2_0, 0x3f0 */
uint32_t clk_source_extperiph3; /* _CLK_SOURCE_EXTPERIPH3_0, 0x3f4 */
uint32_t _0x3f8;
uint32_t clk_source_i2c_slow; /* _CLK_SOURCE_I2C_SLOW_0, 0x3fc */
uint32_t clk_source_sys; /* _CLK_SOURCE_SYS_0, 0x400 */
uint32_t clk_source_ispb; /* _CLK_SOURCE_ISPB_0, 0x404 */
uint32_t _0x408[2];
uint32_t clk_source_sor1; /* _CLK_SOURCE_SOR1_0, 0x410 */
uint32_t clk_source_sor0; /* _CLK_SOURCE_SOR0_0, 0x414 */
uint32_t _0x418[2];
uint32_t clk_source_sata_oob; /* _CLK_SOURCE_SATA_OOB_0, 0x420 */
uint32_t clk_source_sata; /* _CLK_SOURCE_SATA_0, 0x424 */
uint32_t clk_source_hda; /* _CLK_SOURCE_HDA_0, 0x428 */
uint32_t _0x42c;
/* _RST_DEV_V/W_SET_0 0x430-0x43c */
uint32_t rst_dev_v_set;
uint32_t rst_dev_v_clr;
uint32_t rst_dev_w_set;
uint32_t rst_dev_w_clr;
/* _CLK_ENB_V/W_CLR_0 0x440-0x44c */
uint32_t clk_enb_v_set;
uint32_t clk_enb_v_clr;
uint32_t clk_enb_w_set;
uint32_t clk_enb_w_clr;
/* Additional (T114+) registers */
uint32_t rst_cpug_cmplx_set; /* _RST_CPUG_CMPLX_SET_0, 0x450 */
uint32_t rst_cpug_cmplx_clr; /* _RST_CPUG_CMPLX_CLR_0, 0x454 */
uint32_t rst_cpulp_cmplx_set; /* _RST_CPULP_CMPLX_SET_0, 0x458 */
uint32_t rst_cpulp_cmplx_clr; /* _RST_CPULP_CMPLX_CLR_0, 0x45c */
uint32_t clk_cpug_cmplx_set; /* _CLK_CPUG_CMPLX_SET_0, 0x460 */
uint32_t clk_cpug_cmplx_clr; /* _CLK_CPUG_CMPLX_CLR_0, 0x464 */
uint32_t clk_cpulp_cmplx_set; /* _CLK_CPULP_CMPLX_SET_0, 0x468 */
uint32_t clk_cpulp_cmplx_clr; /* _CLK_CPULP_CMPLX_CLR_0, 0x46c */
uint32_t cpu_cmplx_status; /* _CPU_CMPLX_STATUS_0, 0x470 */
uint32_t _0x474;
uint32_t intstatus; /* _INTSTATUS_0, 0x478 */
uint32_t intmask; /* _INTMASK_0, 0x47c */
uint32_t utmip_pll_cfg0; /* _UTMIP_PLL_CFG0_0, 0x480 */
uint32_t utmip_pll_cfg1; /* _UTMIP_PLL_CFG1_0, 0x484 */
uint32_t utmip_pll_cfg2; /* _UTMIP_PLL_CFG2_0, 0x488 */
uint32_t plle_aux; /* _PLLE_AUX_0, 0x48c */
uint32_t sata_pll_cfg0; /* _SATA_PLL_CFG0_0, 0x490 */
uint32_t sata_pll_cfg1; /* _SATA_PLL_CFG1_0, 0x494 */
uint32_t pcie_pll_cfg0; /* _PCIE_PLL_CFG0_0, 0x498 */
uint32_t prog_audio_dly_clk; /* _PROG_AUDIO_DLY_CLK_0, 0x49c */
uint32_t audio_sync_clk_i2s0; /* _AUDIO_SYNC_CLK_I2S0_0, 0x4a0 */
uint32_t audio_sync_clk_i2s1; /* _AUDIO_SYNC_CLK_I2S1_0, 0x4a4 */
uint32_t audio_sync_clk_i2s2; /* _AUDIO_SYNC_CLK_I2S2_0, 0x4a8 */
uint32_t audio_sync_clk_i2s3; /* _AUDIO_SYNC_CLK_I2S3_0, 0x4ac */
uint32_t audio_sync_clk_i2s4; /* _AUDIO_SYNC_CLK_I2S4_0, 0x4b0 */
uint32_t audio_sync_clk_spdif; /* _AUDIO_SYNC_CLK_SPDIF_0, 0x4b4 */
uint32_t plld2_base; /* _PLLD2_BASE_0, 0x4b8 */
uint32_t plld2_misc; /* _PLLD2_MISC_0, 0x4bc */
uint32_t utmip_pll_cfg3; /* _UTMIP_PLL_CFG3_0, 0x4c0 */
uint32_t pllrefe_base; /* _PLLREFE_BASE_0, 0x4c4 */
uint32_t pllrefe_misc; /* _PLLREFE_MISC_0, 0x4c8 */
uint32_t pllrefe_out; /* _PLLREFE_OUT_0, 0x4cc */
uint32_t cpu_finetrim_byp; /* _CPU_FINETRIM_BYP_0, 0x4d0 */
uint32_t cpu_finetrim_select; /* _CPU_FINETRIM_SELECT_0, 0x4d4 */
uint32_t cpu_finetrim_dr; /* _CPU_FINETRIM_DR_0, 0x4d8 */
uint32_t cpu_finetrim_df; /* _CPU_FINETRIM_DF_0, 0x4dc */
uint32_t cpu_finetrim_f; /* _CPU_FINETRIM_F_0, 0x4e0 */
uint32_t cpu_finetrim_r; /* _CPU_FINETRIM_R_0, 0x4e4 */
uint32_t pllc2_base; /* _PLLC2_BASE_0, 0x4e8 */
uint32_t pllc2_misc0; /* _PLLC2_MISC_0_0, 0x4ec */
uint32_t pllc2_misc1; /* _PLLC2_MISC_1_0, 0x4f0 */
uint32_t pllc2_misc2; /* _PLLC2_MISC_2_0, 0x4f4 */
uint32_t pllc2_misc3; /* _PLLC2_MISC_3_0, 0x4f8 */
uint32_t pllc3_base; /* _PLLC3_BASE_0, 0x4fc */
uint32_t pllc3_misc0; /* _PLLC3_MISC_0_0, 0x500 */
uint32_t pllc3_misc1; /* _PLLC3_MISC_1_0, 0x504 */
uint32_t pllc3_misc2; /* _PLLC3_MISC_2_0, 0x508 */
uint32_t pllc3_misc3; /* _PLLC3_MISC_3_0, 0x50c */
uint32_t pllx_misc1; /* _PLLX_MISC_1_0, 0x510 */
uint32_t pllx_misc2; /* _PLLX_MISC_2_0, 0x514 */
uint32_t pllx_misc3; /* _PLLX_MISC_3_0, 0x518 */
uint32_t xusbio_pll_cfg0; /* _XUSBIO_PLL_CFG0_0, 0x51c */
uint32_t xusbio_pll_cfg1; /* _XUSBIO_PLL_CFG0_1, 0x520 */
uint32_t plle_aux1; /* _PLLE_AUX1_0, 0x524 */
uint32_t pllp_reshift; /* _PLLP_RESHIFT_0, 0x528 */
uint32_t utmipll_hw_pwrdn_cfg0; /* _UTMIPLL_HW_PWRDN_CFG0_0, 0x52c */
uint32_t pllu_hw_pwrdn_cfg0; /* _PLLU_HW_PWRDN_CFG0_0, 0x530 */
uint32_t xusb_pll_cfg0; /* _XUSB_PLL_CFG0_0, 0x534 */
uint32_t _0x538;
uint32_t clk_cpu_misc; /* _CLK_CPU_MISC_0, 0x53c */
uint32_t clk_cpug_misc; /* _CLK_CPUG_MISC_0, 0x540 */
uint32_t clk_cpulp_misc; /* _CLK_CPULP_MISC_0, 0x544 */
uint32_t pllx_hw_ctrl_cfg; /* _PLLX_HW_CTRL_CFG_0, 0x548 */
uint32_t pllx_sw_ramp_cfg; /* _PLLX_SW_RAMP_CFG_0, 0x54c */
uint32_t pllx_hw_ctrl_status; /* _PLLX_HW_CTRL_STATUS_0, 0x550 */
uint32_t lvl2_clk_gate_ovre; /* _LVL2_CLK_GATE_OVRE, 0x554 */
uint32_t super_gr3d_clk_div; /* _SUPER_GR3D_CLK_DIVIDER_0, 0x558 */
uint32_t spare_reg0; /* _SPARE_REG0_0, 0x55c */
uint32_t audio_sync_clk_dmic1; /* _AUDIO_SYNC_CLK_DMIC1_0, 0x560 */
uint32_t audio_sync_clk_dmic2; /* _AUDIO_SYNC_CLK_DMIC2_0, 0x564 */
uint32_t _0x568[2];
uint32_t plld2_ss_cfg; /* _PLLD2_SS_CFG, 0x570 */
uint32_t plld2_ss_ctrl1; /* _PLLD2_SS_CTRL1_0, 0x574 */
uint32_t plld2_ss_ctrl2; /* _PLLD2_SS_CTRL2_0, 0x578 */
uint32_t _0x57c[5];
uint32_t plldp_base; /* _PLLDP_BASE, 0x590*/
uint32_t plldp_misc; /* _PLLDP_MISC, 0x594 */
uint32_t plldp_ss_cfg; /* _PLLDP_SS_CFG, 0x598 */
uint32_t plldp_ss_ctrl1; /* _PLLDP_SS_CTRL1_0, 0x59c */
uint32_t plldp_ss_ctrl2; /* _PLLDP_SS_CTRL2_0, 0x5a0 */
uint32_t pllc4_base; /* _PLLC4_BASE_0, 0x5a4 */
uint32_t pllc4_misc; /* _PLLC4_MISC_0, 0x5a8 */
uint32_t _0x5ac[6];
uint32_t clk_spare0; /* _CLK_SPARE0_0, 0x5c4 */
uint32_t clk_spare1; /* _CLK_SPARE1_0, 0x5c8 */
uint32_t gpu_isob_ctrl; /* _GPU_ISOB_CTRL_0, 0x5cc */
uint32_t pllc_misc2; /* _PLLC_MISC_2_0, 0x5d0 */
uint32_t pllc_misc3; /* _PLLC_MISC_3_0, 0x5d4 */
uint32_t plla_misc2; /* _PLLA_MISC2_0, 0x5d8 */
uint32_t _0x5dc[2];
uint32_t pllc4_out; /* _PLLC4_OUT_0, 0x5e4 */
uint32_t pllmb_base; /* _PLLMB_BASE_0, 0x5e8 */
uint32_t pllmb_misc1; /* _PLLMB_MISC1_0, 0x5ec */
uint32_t pllx_misc4; /* _PLLX_MISC_4_0, 0x5f0 */
uint32_t pllx_misc5; /* _PLLX_MISC_5_0, 0x5f4 */
uint32_t _0x5f8[2];
uint32_t clk_source_xusb_core_host; /* _CLK_SOURCE_XUSB_CORE_HOST_0, 0x600 */
uint32_t clk_source_xusb_falcon; /* _CLK_SOURCE_XUSB_FALCON_0, 0x604 */
uint32_t clk_source_xusb_fs; /* _CLK_SOURCE_XUSB_FS_0, 0x608 */
uint32_t clk_source_xusb_core_dev; /* _CLK_SOURCE_XUSB_CORE_DEV_0, 0x60c */
uint32_t clk_source_xusb_ss; /* _CLK_SOURCE_XUSB_SS_0, 0x610 */
uint32_t clk_source_cilab; /* _CLK_SOURCE_CILAB_0, 0x614 */
uint32_t clk_source_cilcd; /* _CLK_SOURCE_CILCD_0, 0x618 */
uint32_t clk_source_cilef; /* _CLK_SOURCE_CILEF_0, 0x61c */
uint32_t clk_source_dsia_lp; /* _CLK_SOURCE_DSIA_LP_0, 0x620 */
uint32_t clk_source_dsib_lp; /* _CLK_SOURCE_DSIB_LP_0, 0x624 */
uint32_t clk_source_entropy; /* _CLK_SOURCE_ENTROPY_0, 0x628 */
uint32_t clk_source_dvfs_ref; /* _CLK_SOURCE_DVFS_REF_0, 0x62c */
uint32_t clk_source_dvfs_soc; /* _CLK_SOURCE_DVFS_SOC_0, 0x630 */
uint32_t _0x634[3];
uint32_t clk_source_emc_latency; /* _CLK_SOURCE_EMC_LATENCY_0, 0x640 */
uint32_t clk_source_soc_therm; /* _CLK_SOURCE_SOC_THERM_0, 0x644 */
uint32_t _0x648;
uint32_t clk_source_dmic1; /* _CLK_SOURCE_DMIC1_0, 0x64c */
uint32_t clk_source_dmic2; /* _CLK_SOURCE_DMIC2_0, 0x650 */
uint32_t _0x654;
uint32_t clk_source_vi_sensor2; /* _CLK_SOURCE_VI_SENSOR2_0, 0x658 */
uint32_t clk_source_i2c6; /* _CLK_SOURCE_I2C6_0, 0x65c */
uint32_t clk_source_mipibif; /* _CLK_SOURCE_MIPIBIF_0, 0x660 */
uint32_t clk_source_emc_dll; /* _CLK_SOURCE_EMC_DLL_0, 0x664 */
uint32_t _0x668;
uint32_t clk_source_uart_fst_mipi_cal; /* _CLK_SOURCE_UART_FST_MIPI_CAL_0, 0x66c */
uint32_t _0x670[2];
uint32_t clk_source_vic; /* _CLK_SOURCE_VIC_0, 0x678 */
uint32_t pllp_outc; /* _PLLP_OUTC_0, 0x67c */
uint32_t pllp_misc1; /* _PLLP_MISC1_0, 0x680 */
uint32_t _0x684[2];
uint32_t emc_div_clk_shaper_ctrl; /* _EMC_DIV_CLK_SHAPER_CTRL_0, 0x68c */
uint32_t emc_pllc_shaper_ctrl; /* _EMC_PLLC_SHAPER_CTRL_0, 0x690 */
uint32_t clk_source_sdmmc_legacy_tm; /* _CLK_SOURCE_SDMMC_LEGACY_TM_0, 0x694 */
uint32_t clk_source_nvdec; /* _CLK_SOURCE_NVDEC_0, 0x698 */
uint32_t clk_source_nvjpg; /* _CLK_SOURCE_NVJPG_0, 0x69c */
uint32_t clk_source_nvenc; /* _CLK_SOURCE_NVENC_0, 0x6a0 */
uint32_t plla1_base; /* _PLLA1_BASE_0, 0x6a4 */
uint32_t plla1_misc0; /* _PLLA1_MISC_0_0, 0x6a8 */
uint32_t plla1_misc1; /* _PLLA1_MISC_1_0, 0x6ac */
uint32_t plla1_misc2; /* _PLLA1_MISC_2_0, 0x6b0 */
uint32_t plla1_misc3; /* _PLLA1_MISC_3_0, 0x6b4 */
uint32_t audio_sync_clk_dmic3; /* _AUDIO_SYNC_CLK_DMIC3_0, 0x6b8 */
uint32_t clk_source_dmic3; /* _CLK_SOURCE_DMIC3_0, 0x6bc */
uint32_t clk_source_ape; /* _CLK_SOURCE_APE_0, 0x6c0 */
uint32_t clk_source_qspi; /* _CLK_SOURCE_QSPI_0, 0x6c4 */
uint32_t clk_source_vi_i2c; /* _CLK_SOURCE_VI_I2C_0, 0x6c8 */
uint32_t clk_source_usb2_hsic_trk; /* _CLK_SOURCE_USB2_HSIC_TRK_0, 0x6cc */
uint32_t clk_source_pex_sata_usb_rx_byp; /* _CLK_SOURCE_PEX_SATA_USB_RX_BYP_0, 0x6d0 */
uint32_t clk_source_maud; /* _CLK_SOURCE_MAUD_0, 0x6d4 */
uint32_t clk_source_tsecb; /* _CLK_SOURCE_TSECB_0, 0x6d8 */
uint32_t clk_cpug_misc1; /* _CLK_CPUG_MISC1_0, 0x6dc */
uint32_t aclk_burst_policy; /* _ACLK_BURST_POLICY_0, 0x6e0 */
uint32_t super_aclk_divider; /* _SUPER_ACLK_DIVIDER_0, 0x6e4 */
uint32_t nvenc_super_clk_divider; /* _NVENC_SUPER_CLK_DIVIDER_0, 0x6e8 */
uint32_t vi_super_clk_divider; /* _VI_SUPER_CLK_DIVIDER_0, 0x6ec */
uint32_t vic_super_clk_divider; /* _VIC_SUPER_CLK_DIVIDER_0, 0x6f0 */
uint32_t nvdec_super_clk_divider; /* _NVDEC_SUPER_CLK_DIVIDER_0, 0x6f4 */
uint32_t isp_super_clk_divider; /* _ISP_SUPER_CLK_DIVIDER_0, 0x6f8 */
uint32_t ispb_super_clk_divider; /* _ISPB_SUPER_CLK_DIVIDER_0, 0x6fc */
uint32_t nvjpg_super_clk_divider; /* _NVJPG_SUPER_CLK_DIVIDER_0, 0x700 */
uint32_t se_super_clk_divider; /* _SE_SUPER_CLK_DIVIDER_0, 0x704 */
uint32_t tsec_super_clk_divider; /* _TSEC_SUPER_CLK_DIVIDER_0, 0x708 */
uint32_t tsecb_super_clk_divider; /* _TSECB_SUPER_CLK_DIVIDER_0, 0x70c */
uint32_t clk_source_uartape; /* _CLK_SOURCE_UARTAPE_0, 0x710 */
uint32_t clk_cpug_misc2; /* _CLK_CPUG_MISC2_0, 0x714 */
uint32_t clk_source_dbgapb; /* _CLK_SOURCE_DBGAPB_0, 0x718 */
uint32_t clk_ccplex_cc4_ret_clk_enb; /* _CLK_CCPLEX_CC4_RET_CLK_ENB_0, 0x71c */
uint32_t actmon_cpu_clk; /* _ACTMON_CPU_CLK_0, 0x720 */
uint32_t clk_source_emc_safe; /* _CLK_SOURCE_EMC_SAFE_0, 0x724 */
uint32_t sdmmc2_pllc4_out0_shaper_ctrl; /* _SDMMC2_PLLC4_OUT0_SHAPER_CTRL_0, 0x728 */
uint32_t sdmmc2_pllc4_out1_shaper_ctrl; /* _SDMMC2_PLLC4_OUT1_SHAPER_CTRL_0, 0x72c */
uint32_t sdmmc2_pllc4_out2_shaper_ctrl; /* _SDMMC2_PLLC4_OUT2_SHAPER_CTRL_0, 0x730 */
uint32_t sdmmc2_div_clk_shaper_ctrl; /* _SDMMC2_DIV_CLK_SHAPER_CTRL_0, 0x734 */
uint32_t sdmmc4_pllc4_out0_shaper_ctrl; /* _SDMMC4_PLLC4_OUT0_SHAPER_CTRL_0, 0x738 */
uint32_t sdmmc4_pllc4_out1_shaper_ctrl; /* _SDMMC4_PLLC4_OUT1_SHAPER_CTRL_0, 0x73c */
uint32_t sdmmc4_pllc4_out2_shaper_ctrl; /* _SDMMC4_PLLC4_OUT2_SHAPER_CTRL_0, 0x740 */
uint32_t sdmmc4_div_clk_shaper_ctrl; /* _SDMMC4_DIV_CLK_SHAPER_CTRL_0, 0x744 */
} tegra_car_t;
static inline volatile tegra_car_t *car_get_regs(void) {
return (volatile tegra_car_t *)CAR_BASE;
}
void clk_enable(CarDevice dev);
void clk_disable(CarDevice dev);
void rst_enable(CarDevice dev);
void rst_disable(CarDevice dev);
void clkrst_enable(CarDevice dev);
void clkrst_disable(CarDevice dev);
void clkrst_reboot(CarDevice dev);
void clkrst_enable_fuse_regs(bool enable);

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@@ -0,0 +1,144 @@
/*
* 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/>.
*/
#include <string.h>
#include <stdint.h>
#include "gpio.h"
#include "../../utils.h"
/**
* Returns a GPIO bank object that corresponds to the given GPIO pin,
* which can be created using the TEGRA_GPIO macro or passed from the name macro.
*
* @param pin The GPIO to get the bank for.
* @return The GPIO bank object to use for working with the given bank.
*/
static volatile tegra_gpio_bank_t *gpio_get_bank(uint32_t pin)
{
volatile tegra_gpio_t *gpio = gpio_get_regs();
uint32_t bank_number = pin >> GPIO_BANK_SHIFT;
return &gpio->bank[bank_number];
}
/**
* @return the port number for working with the given GPIO.
*/
static volatile uint32_t gpio_get_port(uint32_t pin)
{
return (pin >> GPIO_PORT_SHIFT) & GPIO_PORT_MASK;
}
/**
* @return a mask to be used to work with the given GPIO
*/
static volatile uint32_t gpio_get_mask(uint32_t pin)
{
uint32_t pin_number = pin & GPIO_PIN_MASK;
return (1 << pin_number);
}
/**
* Performs a simple GPIO configuration operation.
*
* @param pin The GPIO pin to work with, as created with TEGRA_GPIO, or a named GPIO.
* @param should_be_set True iff the relevant bit should be set; or false if it should be cleared.
* @param offset The offset into a gpio_bank structure
*/
static void gpio_simple_register_set(uint32_t pin, bool should_be_set, uint32_t offset)
{
// Retrieve the register set that corresponds to the given pin and offset.
uintptr_t cluster_addr = (uintptr_t)gpio_get_bank(pin) + offset;
uint32_t *cluster = (uint32_t *)cluster_addr;
// Figure out the offset into the cluster,
// and the mask to be used.
uint32_t port = gpio_get_port(pin);
uint32_t mask = gpio_get_mask(pin);
// Set or clear the bit, as appropriate.
if (should_be_set)
cluster[port] |= mask;
else
cluster[port] &= ~mask;
}
/**
* Performs a simple GPIO configuration operation.
*
* @param pin The GPIO pin to work with, as created with TEGRA_GPIO, or a named GPIO.
* @param should_be_set True iff the relevant bit should be set; or false if it should be cleared.
* @param offset The offset into a gpio_bank structure
*/
static bool gpio_simple_register_get(uint32_t pin, uint32_t offset)
{
// Retrieve the register set that corresponds to the given pin and offset.
uintptr_t cluster_addr = (uintptr_t)gpio_get_bank(pin) + offset;
uint32_t *cluster = (uint32_t *)cluster_addr;
// Figure out the offset into the cluster,
// and the mask to be used.
uint32_t port = gpio_get_port(pin);
uint32_t mask = gpio_get_mask(pin);
// Convert the given value to a boolean.
return !!(cluster[port] & mask);
}
/**
* Configures a given pin as either GPIO or SFIO.
*
* @param pin The GPIO pin to work with, as created with TEGRA_GPIO, or a named GPIO.
* @param mode The relevant mode.
*/
void gpio_configure_mode(uint32_t pin, uint32_t mode)
{
gpio_simple_register_set(pin, mode == GPIO_MODE_GPIO, offsetof(tegra_gpio_bank_t, config));
}
/**
* Configures a given pin as either INPUT or OUPUT.
*
* @param pin The GPIO pin to work with, as created with TEGRA_GPIO, or a named GPIO.
* @param direction The relevant direction.
*/
void gpio_configure_direction(uint32_t pin, uint32_t dir)
{
gpio_simple_register_set(pin, dir == GPIO_DIRECTION_OUTPUT, offsetof(tegra_gpio_bank_t, direction));
}
/**
* Drives a relevant GPIO pin as either HIGH or LOW.
*
* @param pin The GPIO pin to work with, as created with TEGRA_GPIO, or a named GPIO.
* @param mode The relevant mode.
*/
void gpio_write(uint32_t pin, uint32_t value)
{
gpio_simple_register_set(pin, value == GPIO_LEVEL_HIGH, offsetof(tegra_gpio_bank_t, out));
}
/**
* Drives a relevant GPIO pin as either HIGH or LOW.
*
* @param pin The GPIO pin to work with, as created with TEGRA_GPIO, or a named GPIO.
* @param mode The relevant mode.
*/
uint32_t gpio_read(uint32_t pin)
{
return gpio_simple_register_get(pin, offsetof(tegra_gpio_bank_t, in));
}

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/*
* 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/>.
*/
#pragma once
#include <stdint.h>
#define GPIO_BASE 0x6000D000
#define MAKE_GPIO_REG(n) MAKE_REG32(GPIO_BASE + n)
#define TEGRA_GPIO_PORTS 4
#define TEGRA_GPIO_BANKS 8
#define GPIO_BANK_SHIFT 5
#define GPIO_PORT_SHIFT 3
#define GPIO_PORT_MASK 0x03
#define GPIO_PIN_MASK 0x07
typedef enum {
TEGRA_GPIO_PORT_A = 0,
TEGRA_GPIO_PORT_B = 1,
TEGRA_GPIO_PORT_C = 2,
TEGRA_GPIO_PORT_D = 3,
TEGRA_GPIO_PORT_E = 4,
TEGRA_GPIO_PORT_F = 5,
TEGRA_GPIO_PORT_G = 6,
TEGRA_GPIO_PORT_H = 7,
TEGRA_GPIO_PORT_I = 8,
TEGRA_GPIO_PORT_J = 9,
TEGRA_GPIO_PORT_K = 10,
TEGRA_GPIO_PORT_L = 11,
TEGRA_GPIO_PORT_M = 12,
TEGRA_GPIO_PORT_N = 13,
TEGRA_GPIO_PORT_O = 14,
TEGRA_GPIO_PORT_P = 15,
TEGRA_GPIO_PORT_Q = 16,
TEGRA_GPIO_PORT_R = 17,
TEGRA_GPIO_PORT_S = 18,
TEGRA_GPIO_PORT_T = 19,
TEGRA_GPIO_PORT_U = 20,
TEGRA_GPIO_PORT_V = 21,
TEGRA_GPIO_PORT_W = 22,
TEGRA_GPIO_PORT_X = 23,
TEGRA_GPIO_PORT_Y = 24,
TEGRA_GPIO_PORT_Z = 25,
TEGRA_GPIO_PORT_AA = 26,
TEGRA_GPIO_PORT_BB = 27,
TEGRA_GPIO_PORT_CC = 28,
TEGRA_GPIO_PORT_DD = 29,
TEGRA_GPIO_PORT_EE = 30,
TEGRA_GPIO_PORT_FF = 31,
} tegra_gpio_port;
typedef struct {
uint32_t config[TEGRA_GPIO_PORTS];
uint32_t direction[TEGRA_GPIO_PORTS];
uint32_t out[TEGRA_GPIO_PORTS];
uint32_t in[TEGRA_GPIO_PORTS];
uint32_t int_status[TEGRA_GPIO_PORTS];
uint32_t int_enable[TEGRA_GPIO_PORTS];
uint32_t int_level[TEGRA_GPIO_PORTS];
uint32_t int_clear[TEGRA_GPIO_PORTS];
uint32_t masked_config[TEGRA_GPIO_PORTS];
uint32_t masked_dir_out[TEGRA_GPIO_PORTS];
uint32_t masked_out[TEGRA_GPIO_PORTS];
uint32_t masked_in[TEGRA_GPIO_PORTS];
uint32_t masked_int_status[TEGRA_GPIO_PORTS];
uint32_t masked_int_enable[TEGRA_GPIO_PORTS];
uint32_t masked_int_level[TEGRA_GPIO_PORTS];
uint32_t masked_int_clear[TEGRA_GPIO_PORTS];
} tegra_gpio_bank_t;
typedef struct {
tegra_gpio_bank_t bank[TEGRA_GPIO_BANKS];
} tegra_gpio_t;
static inline volatile tegra_gpio_t *gpio_get_regs(void)
{
return (volatile tegra_gpio_t *)GPIO_BASE;
}
#define TEGRA_GPIO(port, offset) \
((TEGRA_GPIO_PORT_##port * 8) + offset)
/* Mode select */
#define GPIO_MODE_SFIO 0
#define GPIO_MODE_GPIO 1
/* Direction */
#define GPIO_DIRECTION_INPUT 0
#define GPIO_DIRECTION_OUTPUT 1
/* Level */
#define GPIO_LEVEL_LOW 0
#define GPIO_LEVEL_HIGH 1
/* Named GPIOs */
#define GPIO_BUTTON_VOL_DOWN TEGRA_GPIO(X, 7)
#define GPIO_BUTTON_VOL_UP TEGRA_GPIO(X, 6)
#define GPIO_MICROSD_CARD_DETECT TEGRA_GPIO(Z, 1)
#define GPIO_MICROSD_WRITE_PROTECT TEGRA_GPIO(Z, 4)
#define GPIO_MICROSD_SUPPLY_ENABLE TEGRA_GPIO(E, 4)
#define GPIO_LCD_BL_P5V TEGRA_GPIO(I, 0)
#define GPIO_LCD_BL_N5V TEGRA_GPIO(I, 1)
#define GPIO_LCD_BL_PWM TEGRA_GPIO(V, 0)
#define GPIO_LCD_BL_EN TEGRA_GPIO(V, 1)
#define GPIO_LCD_BL_RST TEGRA_GPIO(V, 2)
void gpio_configure_mode(uint32_t pin, uint32_t mode);
void gpio_configure_direction(uint32_t pin, uint32_t dir);
void gpio_write(uint32_t pin, uint32_t value);
uint32_t gpio_read(uint32_t pin);

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/*
* 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/>.
*/
#pragma once
#include "../../utils.h"
#define MISC_BASE 0x70000000ull
#define MAKE_MISC_REG(n) MAKE_REG32(MISC_BASE + n)
#define APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG0_0 MAKE_MISC_REG(0x0C00)
#define APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG1_0 MAKE_MISC_REG(0x0C04)
#define APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG2_0 MAKE_MISC_REG(0x0C08)
#define PINMUX_AUX_GEN1_I2C_SCL_0 MAKE_MISC_REG(0x30BC)
#define PINMUX_AUX_GEN1_I2C_SDA_0 MAKE_MISC_REG(0x30C0)
#define PINMUX_AUX_UARTn_TX_0(n) MAKE_MISC_REG(0x30E4 + 0x10 * (n))
#define PINMUX_AUX_UARTn_RX_0(n) MAKE_MISC_REG(0x30E8 + 0x10 * (n))
#define PINMUX_AUX_UARTn_RTS_0(n) MAKE_MISC_REG(0x30EC + 0x10 * (n))
#define PINMUX_AUX_UARTn_CTS_0(n) MAKE_MISC_REG(0x30F0 + 0x10 * (n))

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/*
* 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/>.
*/
#pragma once
#include <stdint.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;
}

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/*
* 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/>.
*/
#pragma once
#include "../../utils.h"
#define TIMERS_BASE 0x60005000
#define MAKE_TIMERS_REG(n) MAKE_REG32(TIMERS_BASE + n)
#define TIMERUS_CNTR_1US_0 MAKE_TIMERS_REG(0x10)
#define TIMERUS_USEC_CFG_0 MAKE_TIMERS_REG(0x14)
#define SHARED_INTR_STATUS_0 MAKE_TIMERS_REG(0x1A0)
#define SHARED_TIMER_SECURE_CFG_0 MAKE_TIMERS_REG(0x1A4)
#define RTC_BASE 0x7000E000
#define MAKE_RTC_REG(n) MAKE_REG32(RTC_BASE + n)
#define RTC_SECONDS MAKE_RTC_REG(0x08)
#define RTC_SHADOW_SECONDS MAKE_RTC_REG(0x0C)
#define RTC_MILLI_SECONDS MAKE_RTC_REG(0x10)
typedef struct {
uint32_t CONFIG;
uint32_t STATUS;
uint32_t COMMAND;
uint32_t PATTERN;
} watchdog_timers_t;
#define GET_WDT(n) ((volatile watchdog_timers_t *)(TIMERS_BASE + 0x100 + 0x20 * n))
#define WDT_REBOOT_PATTERN 0xC45A
#define GET_WDT_REBOOT_CFG_REG(n) MAKE_REG32(TIMERS_BASE + 0x60 + 0x8 * n)
void wait(uint32_t microseconds);
static inline uint32_t get_time_s(void) {
return RTC_SECONDS;
}
static inline uint32_t get_time_ms(void) {
return (RTC_MILLI_SECONDS | (RTC_SHADOW_SECONDS << 10));
}
static inline uint32_t get_time_us(void) {
return TIMERUS_CNTR_1US_0;
}
/**
* Returns the time in microseconds.
*/
static inline uint32_t get_time(void) {
return get_time_us();
}
/**
* Returns the number of microseconds that have passed since a given get_time().
*/
static inline uint32_t get_time_since(uint32_t base) {
return get_time_us() - base;
}
/**
* Delays for a given number of microseconds.
*/
static inline void udelay(uint32_t usecs) {
uint32_t start = get_time_us();
while (get_time_us() - start < usecs);
}
/**
* Delays until a number of usecs have passed since an absolute start time.
*/
static inline void udelay_absolute(uint32_t start, uint32_t usecs) {
while (get_time_us() - start < usecs);
}
/**
* Delays for a given number of milliseconds.
*/
static inline void mdelay(uint32_t msecs) {
uint32_t start = get_time_ms();
while (get_time_ms() - start < msecs);
}

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/*
* Copyright (c) 2018 naehrwert
* 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/>.
*/
#include "uart.h"
#include "timers.h"
#include "pinmux.h"
#include "gpio.h"
#include "car.h"
void uart_config(UartDevice dev) {
volatile tegra_pinmux_t *pinmux = pinmux_get_regs();
switch (dev) {
case UART_A:
pinmux->uart1_tx = 0;
pinmux->uart1_rx = (PINMUX_INPUT | PINMUX_PULL_UP);
pinmux->uart1_rts = 0;
pinmux->uart1_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
break;
case UART_B:
pinmux->uart2_tx = 0;
pinmux->uart2_rx = (PINMUX_INPUT | PINMUX_PULL_UP);
pinmux->uart2_rts = 0;
pinmux->uart2_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
break;
case UART_C:
pinmux->uart3_tx = 0;
pinmux->uart3_rx = (PINMUX_INPUT | PINMUX_PULL_UP);
pinmux->uart3_rts = 0;
pinmux->uart3_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
break;
case UART_D:
pinmux->uart4_tx = 0;
pinmux->uart4_rx = (PINMUX_INPUT | PINMUX_PULL_UP);
pinmux->uart4_rts = 0;
pinmux->uart4_cts = (PINMUX_INPUT | PINMUX_PULL_DOWN);
break;
case UART_E:
/* Unused. */
break;
default: break;
}
}
void uart_reset(UartDevice dev)
{
CarDevice uartCarDevs[] = { CARDEVICE_UARTA, CARDEVICE_UARTB, CARDEVICE_UARTC, CARDEVICE_UARTD };
if (dev == UART_C) {
gpio_configure_mode(TEGRA_GPIO(G, 0), GPIO_MODE_GPIO); // Leave UART-B as GPIO
gpio_configure_mode(TEGRA_GPIO(D, 1), GPIO_MODE_SFIO); // Change UART-C to SPIO
// Fixme other uart?
}
clkrst_reboot(uartCarDevs[dev]);
}
void uart_init(UartDevice dev, uint32_t baud, bool inverted) {
volatile tegra_uart_t *uart = uart_get_regs(dev);
/* Wait for idle state. */
uart_wait_idle(dev, UART_VENDOR_STATE_TX_IDLE);
/* Calculate baud rate. */
uint32_t rate = (8 * baud + 408000000) / (16 * baud);
/* Setup UART in FIFO mode. */
uart->UART_IER_DLAB = 0;
uart->UART_MCR = 0;
uart->UART_LCR = (UART_LCR_DLAB | UART_LCR_WD_LENGTH_8); /* Enable DLAB and set word length 8. */
uart->UART_THR_DLAB = (uint8_t)rate; /* Divisor latch LSB. */
uart->UART_IER_DLAB = (uint8_t)(rate >> 8); /* Divisor latch MSB. */
uart->UART_LCR &= ~(UART_LCR_DLAB); /* Disable DLAB. */
/* Flush FIFO. */
uart->UART_IIR_FCR = (UART_FCR_FCR_EN_FIFO | UART_FCR_RX_CLR | UART_FCR_TX_CLR); /* Enable and clear TX and RX FIFOs. */
uart->UART_IRDA_CSR = inverted ? 2 : 0; /* Invert TX */
udelay(3 * ((baud + 999999) / baud));
/* Wait for idle state. */
uart_wait_idle(dev, UART_VENDOR_STATE_TX_IDLE | UART_VENDOR_STATE_RX_IDLE);
}
/* 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 tegra_uart_t *uart = uart_get_regs(dev);
for (size_t i = 0; i < len; 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 tegra_uart_t *uart = uart_get_regs(dev);
for (size_t i = 0; i < len; i++) {
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 max_len) {
volatile tegra_uart_t *uart = uart_get_regs(dev);
size_t i;
for (i = 0; i < max_len && (uart->UART_LSR & UART_LSR_RDR); i++) {
*((uint8_t *)buf + i) = uart->UART_THR_DLAB;
}
return 1 + i;
}

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/*
* Copyright (c) 2018 naehrwert
* 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/>.
*/
#pragma once
#include "../../utils.h"
#define UART_BASE 0x70006000
#define BAUD_115200 115200
/* UART devices */
typedef enum {
UART_A = 0,
UART_B = 1,
UART_C = 2,
UART_D = 3,
UART_E = 4,
} UartDevice;
/* 36.3.12 UART_VENDOR_STATUS_0_0 */
typedef enum {
UART_VENDOR_STATE_TX_IDLE = 1 << 0,
UART_VENDOR_STATE_RX_IDLE = 1 << 1,
/* This bit is set to 1 when a read is issued to an empty FIFO and gets cleared on register read (sticky bit until read)
0 = NO_UNDERRUN
1 = UNDERRUN
*/
UART_VENDOR_STATE_RX_UNDERRUN = 1 << 2,
/* This bit is set to 1 when write data is issued to the TX FIFO when it is already full and gets cleared on register read (sticky bit until read)
0 = NO_OVERRUN
1 = OVERRUN
*/
UART_VENDOR_STATE_TX_OVERRUN = 1 << 3,
UART_VENDOR_STATE_RX_FIFO_COUNTER = 0b111111 << 16, /* reflects number of current entries in RX FIFO */
UART_VENDOR_STATE_TX_FIFO_COUNTER = 0b111111 << 24 /* reflects number of current entries in TX FIFO */
} UartVendorStatus;
/* 36.3.6 UART_LSR_0 */
typedef enum {
UART_LSR_RDR = 1 << 0, /* Receiver Data Ready */
UART_LSR_OVRF = 1 << 1, /* Receiver Overrun Error */
UART_LSR_PERR = 1 << 2, /* Parity Error */
UART_LSR_FERR = 1 << 3, /* Framing Error */
UART_LSR_BRK = 1 << 4, /* BREAK condition detected on line */
UART_LSR_THRE = 1 << 5, /* Transmit Holding Register is Empty -- OK to write data */
UART_LSR_TMTY = 1 << 6, /* Transmit Shift Register empty status */
UART_LSR_FIFOE = 1 << 7, /* Receive FIFO Error */
UART_LSR_TX_FIFO_FULL = 1 << 8, /* Transmitter FIFO full status */
UART_LSR_RX_FIFO_EMPTY = 1 << 9, /* Receiver FIFO empty status */
} UartLineStatus;
/* 36.3.4 UART_LCR_0 */
typedef enum {
UART_LCR_WD_LENGTH_5 = 0, /* word length 5 */
UART_LCR_WD_LENGTH_6 = 1, /* word length 6 */
UART_LCR_WD_LENGTH_7 = 2, /* word length 7 */
UART_LCR_WD_LENGTH_8 = 3, /* word length 8 */
/* STOP:
0 = Transmit 1 stop bit
1 = Transmit 2 stop bits (receiver always checks for 1 stop bit)
*/
UART_LCR_STOP = 1 << 2,
UART_LCR_PAR = 1 << 3, /* Parity enabled */
UART_LCR_EVEN = 1 << 4, /* Even parity format. There will always be an even number of 1s in the binary representation (PAR = 1) */
UART_LCR_SET_P = 1 << 5, /* Set (force) parity to value in LCR[4] */
UART_LCR_SET_B = 1 << 6, /* Set BREAK condition -- Transmitter sends all zeroes to indicate BREAK */
UART_LCR_DLAB = 1 << 7, /* Divisor Latch Access Bit (set to allow programming of the DLH, DLM Divisors) */
} UartLineControl;
/* 36.3.3 UART_IIR_FCR_0 */
typedef enum {
UART_FCR_FCR_EN_FIFO = 1 << 0, /* Enable the transmit and receive FIFOs. This bit should be enabled */
UART_FCR_RX_CLR = 1 << 1, /* Clears the contents of the receive FIFO and resets its counter logic to 0 (the receive shift register is not cleared or altered). This bit returns to 0 after clearing the FIFOs */
UART_FCR_TX_CLR = 1 << 2, /* Clears the contents of the transmit FIFO and resets its counter logic to 0 (the transmit shift register is not cleared or altered). This bit returns to 0 after clearing the FIFOs */
/* DMA:
0 = DMA_MODE_0
1 = DMA_MODE_1
*/
UART_FCR_DMA = 1 << 3,
/* TX_TRIG
0 = FIFO_COUNT_GREATER_16
1 = FIFO_COUNT_GREATER_8
2 = FIFO_COUNT_GREATER_4
3 = FIFO_COUNT_GREATER_1
*/
UART_FCR_TX_TRIG = 3 << 4,
UART_FCR_TX_TRIG_FIFO_COUNT_GREATER_16 = 0 << 4,
UART_FCR_TX_TRIG_FIFO_COUNT_GREATER_8 = 1 << 4,
UART_FCR_TX_TRIG_FIFO_COUNT_GREATER_4 = 2 << 4,
UART_FCR_TX_TRIG_FIFO_COUNT_GREATER_1 = 3 << 4,
/* RX_TRIG
0 = FIFO_COUNT_GREATER_1
1 = FIFO_COUNT_GREATER_4
2 = FIFO_COUNT_GREATER_8
3 = FIFO_COUNT_GREATER_16
*/
UART_FCR_RX_TRIG = 3 << 6,
UART_FCR_RX_TRIG_FIFO_COUNT_GREATER_1 = 0 << 6,
UART_FCR_RX_TRIG_FIFO_COUNT_GREATER_4 = 1 << 6,
UART_FCR_RX_TRIG_FIFO_COUNT_GREATER_8 = 2 << 6,
UART_FCR_RX_TRIG_FIFO_COUNT_GREATER_16 = 3 << 6,
} UartFifoControl;
/* 36.3.3 UART_IIR_FCR_0 */
typedef enum {
UART_IIR_IS_STA = 1 << 0, /* Interrupt Pending if ZERO */
UART_IIR_IS_PRI0 = 1 << 1, /* Encoded Interrupt ID Refer to IIR[3:0] table [36.3.3] */
UART_IIR_IS_PRI1 = 1 << 2, /* Encoded Interrupt ID Refer to IIR[3:0] table */
UART_IIR_IS_PRI2 = 1 << 3, /* Encoded Interrupt ID Refer to IIR[3:0] table */
/* FIFO Mode Status
0 = 16450 mode (no FIFO)
1 = 16550 mode (FIFO)
*/
UART_IIR_EN_FIFO = 3 << 6,
UART_IIR_MODE_16450 = 0 << 6,
UART_IIR_MODE_16550 = 1 << 6,
} UartInterruptIdentification;
typedef struct {
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_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 max_len);
static inline volatile tegra_uart_t *uart_get_regs(UartDevice dev) {
static const size_t offsets[] = {0, 0x40, 0x200, 0x300, 0x400};
return (volatile tegra_uart_t *)(UART_BASE + offsets[dev]);
}

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/*
* Copyright (c) 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/>.
*/
#pragma once
#ifdef PLATFORM_TEGRA
#include "tegra/uart.h"
#define DEFAULT_UART UART_C
#define DEFAULT_UARTINV_STATUS true
static inline void uartInit(u32 baudRate)
{
uart_reset(DEFAULT_UART);
uart_init(DEFAULT_UART, baudRate, DEFAULT_UARTINV_STATUS);
}
static inline void uartWriteData(const void *buffer, size_t size)
{
uart_send(DEFAULT_UART, buffer, size);
}
static inline void uartReadData(void *buffer, size_t size)
{
uart_recv(DEFAULT_UART, buffer, size);
}
static inline size_t uartReadDataMax(void *buffer, size_t maxSize)
{
return uart_recv_max(DEFAULT_UART, buffer, maxSize);
}
#elif defined(PLATFORM_QEMU)
#include "qemu/uart.h"
#else
#error "Error: platform not defined"
#endif