X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=board%2Ftechnologic%2Fts4800%2Fts4800.c;fp=board%2Ftechnologic%2Fts4800%2Fts4800.c;h=0a8d43e4e944b82cd8508a752ea99f8e36b67c64;hb=9ee16897a24dc5643c44b275cca4ad78bce2c56d;hp=0000000000000000000000000000000000000000;hpb=0d8c32dd2827f6afb9752c0dcb3b87878bc71b39;p=people%2Fms%2Fu-boot.git diff --git a/board/technologic/ts4800/ts4800.c b/board/technologic/ts4800/ts4800.c new file mode 100644 index 0000000000..0a8d43e4e9 --- /dev/null +++ b/board/technologic/ts4800/ts4800.c @@ -0,0 +1,154 @@ +/* + * (C) Copyright 2015 Savoir-faire Linux Inc. + * + * Derived from MX51EVK code by + * Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ts4800.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg esdhc_cfg[2] = { + {MMC_SDHC1_BASE_ADDR}, + {MMC_SDHC2_BASE_ADDR}, +}; +#endif + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + PHYS_SDRAM_1_SIZE); + return 0; +} + +u32 get_board_rev(void) +{ + u32 rev = get_cpu_rev(); + if (!gpio_get_value(IMX_GPIO_NR(1, 22))) + rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET; + return rev; +} + +#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_HIGH) + +static void setup_iomux_uart(void) +{ + static const iomux_v3_cfg_t uart_pads[] = { + MX51_PAD_UART1_RXD__UART1_RXD, + MX51_PAD_UART1_TXD__UART1_TXD, + NEW_PAD_CTRL(MX51_PAD_UART1_RTS__UART1_RTS, UART_PAD_CTRL), + NEW_PAD_CTRL(MX51_PAD_UART1_CTS__UART1_CTS, UART_PAD_CTRL), + }; + + imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret; + + imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_0__GPIO1_0, + NO_PAD_CTRL)); + gpio_direction_input(IMX_GPIO_NR(1, 0)); + imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_6__GPIO1_6, + NO_PAD_CTRL)); + gpio_direction_input(IMX_GPIO_NR(1, 6)); + + if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) + ret = !gpio_get_value(IMX_GPIO_NR(1, 0)); + else + ret = !gpio_get_value(IMX_GPIO_NR(1, 6)); + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + static const iomux_v3_cfg_t sd1_pads[] = { + NEW_PAD_CTRL(MX51_PAD_SD1_CMD__SD1_CMD, PAD_CTL_DSE_MAX | + PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST), + NEW_PAD_CTRL(MX51_PAD_SD1_CLK__SD1_CLK, PAD_CTL_DSE_MAX | + PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST), + NEW_PAD_CTRL(MX51_PAD_SD1_DATA0__SD1_DATA0, PAD_CTL_DSE_MAX | + PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST), + NEW_PAD_CTRL(MX51_PAD_SD1_DATA1__SD1_DATA1, PAD_CTL_DSE_MAX | + PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST), + NEW_PAD_CTRL(MX51_PAD_SD1_DATA2__SD1_DATA2, PAD_CTL_DSE_MAX | + PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST), + NEW_PAD_CTRL(MX51_PAD_SD1_DATA3__SD1_DATA3, PAD_CTL_DSE_MAX | + PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SRE_FAST), + NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_HYS), + NEW_PAD_CTRL(MX51_PAD_GPIO1_1__SD1_WP, PAD_CTL_HYS), + }; + + esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + + imx_iomux_v3_setup_multiple_pads(sd1_pads, ARRAY_SIZE(sd1_pads)); + + return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +int checkboard(void) +{ + puts("Board: TS4800\n"); + + return 0; +} + +void hw_watchdog_reset(void) +{ + struct ts4800_wtd_regs *wtd = (struct ts4800_wtd_regs *) (TS4800_SYSCON_BASE + 0xE); + /* feed the watchdog for another 10s */ + writew(0x2, &wtd->feed); +} + +void hw_watchdog_init(void) +{ + return; +}