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author | Tom Rini <trini@konsulko.com> | 2021-01-06 00:20:26 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2021-01-06 00:20:26 +0300 |
commit | 720620e6916ba40b9a173bb07706d2c73f3c23e7 (patch) | |
tree | b085821f1d1137d80e9bb73f405ea0680db338b9 /board/toradex/apalis-imx8x/apalis-imx8x.c | |
parent | c86b18074c9d40bfa63cda1068b6dfb810d4377d (diff) | |
parent | 62b07b5173e3d04fabfac42cf1f4779d021f94ad (diff) | |
download | u-boot-720620e6916ba40b9a173bb07706d2c73f3c23e7.tar.xz |
Merge tag 'v2021.01-rc5' into next
Prepare v2021.01-rc5
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'board/toradex/apalis-imx8x/apalis-imx8x.c')
-rw-r--r-- | board/toradex/apalis-imx8x/apalis-imx8x.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/board/toradex/apalis-imx8x/apalis-imx8x.c b/board/toradex/apalis-imx8x/apalis-imx8x.c new file mode 100644 index 0000000000..739d2e5155 --- /dev/null +++ b/board/toradex/apalis-imx8x/apalis-imx8x.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 Toradex + */ + +#include <common.h> +#include <cpu_func.h> +#include <init.h> + +#include <asm/arch/clock.h> +#include <asm/arch/imx8-pins.h> +#include <asm/arch/iomux.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <env.h> +#include <errno.h> +#include <linux/libfdt.h> + +#include "../common/tdx-cfg-block.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +static iomux_cfg_t uart1_pads[] = { + SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +void board_mem_get_layout(u64 *phys_sdram_1_start, + u64 *phys_sdram_1_size, + u64 *phys_sdram_2_start, + u64 *phys_sdram_2_size) +{ + u32 is_dualx = 0, val = 0; + sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val); + + if (scierr == SC_ERR_NONE) { + /* DX has two A35 cores disabled */ + is_dualx = (val & 0xf) != 0x0; + } + + *phys_sdram_1_start = PHYS_SDRAM_1; + if (is_dualx) + /* Our DX based SKUs only have 1 GB RAM */ + *phys_sdram_1_size = SZ_1G; + else + *phys_sdram_1_size = PHYS_SDRAM_1_SIZE; + *phys_sdram_2_start = PHYS_SDRAM_2; + *phys_sdram_2_size = PHYS_SDRAM_2_SIZE; +} + +int board_early_init_f(void) +{ + sc_pm_clock_rate_t rate; + sc_err_t err = 0; + + /* + * This works around that having only UART3 up the baudrate is 1.2M + * instead of 115.2k. Set UART0 clock root to 80 MHz + */ + rate = 80000000; + err = sc_pm_set_clock_rate(-1, SC_R_UART_0, SC_PM_CLK_PER, &rate); + if (err != SC_ERR_NONE) + return 0; + + /* Set UART3 clock root to 80 MHz and enable it */ + rate = SC_80MHZ; + err = sc_pm_setup_uart(SC_R_UART_1, rate); + if (err != SC_ERR_NONE) + return 0; + + setup_iomux_uart(); + + return 0; +} + +#if IS_ENABLED(CONFIG_DM_GPIO) +static void board_gpio_init(void) +{ + /* TODO */ +} +#else +static inline void board_gpio_init(void) {} +#endif + +#if IS_ENABLED(CONFIG_FEC_MXC) +#include <miiphy.h> + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} +#endif + +int checkboard(void) +{ + puts("Model: Toradex Apalis iMX8X\n"); + + build_info(); + print_bootinfo(); + + return 0; +} + +int board_init(void) +{ + board_gpio_init(); + + return 0; +} + +/* + * Board specific reset that is system reset. + */ +void reset_cpu(ulong addr) +{ + /* TODO */ +} + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, struct bd_info *bd) +{ + return ft_common_board_setup(blob, bd); +} +#endif + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG +/* TODO move to common */ + env_set("board_name", "Apalis iMX8X"); +#endif + + return 0; +} |