diff options
Diffstat (limited to 'roms/u-boot/board/freescale/t102xrdb/t102xrdb.c')
| -rw-r--r-- | roms/u-boot/board/freescale/t102xrdb/t102xrdb.c | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/t102xrdb/t102xrdb.c b/roms/u-boot/board/freescale/t102xrdb/t102xrdb.c new file mode 100644 index 000000000..51a36abe3 --- /dev/null +++ b/roms/u-boot/board/freescale/t102xrdb/t102xrdb.c @@ -0,0 +1,397 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2020 NXP + */ + +#include <common.h> +#include <command.h> +#include <env.h> +#include <fdt_support.h> +#include <i2c.h> +#include <image.h> +#include <init.h> +#include <netdev.h> +#include <asm/global_data.h> +#include <linux/compiler.h> +#include <asm/mmu.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_law.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_liodn.h> +#include <fm_eth.h> +#include "t102xrdb.h" +#ifdef CONFIG_TARGET_T1024RDB +#include "cpld.h" +#elif defined(CONFIG_TARGET_T1023RDB) +#include <i2c.h> +#include <mmc.h> +#endif +#include "../common/sleep.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_TARGET_T1023RDB +enum { + GPIO1_SD_SEL = 0x00020000, /* GPIO1_14, 0: eMMC, 1:SD/MMC */ + GPIO1_EMMC_SEL, + GPIO3_GET_VERSION, /* GPIO3_4/5, 00:RevB, 01: RevC */ + GPIO3_BRD_VER_MASK = 0x0c000000, + GPIO3_OFFSET = 0x2000, + I2C_GET_BANK, + I2C_SET_BANK0, + I2C_SET_BANK4, +}; +#endif + +int checkboard(void) +{ + struct cpu_type *cpu = gd->arch.cpu; + static const char *freq[3] = {"100.00MHZ", "125.00MHz", "156.25MHZ"}; + ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 srds_s1; + + srds_s1 = in_be32(&gur->rcwsr[4]) & FSL_CORENET2_RCWSR4_SRDS1_PRTCL; + srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; + + printf("Board: %sRDB, ", cpu->name); +#if defined(CONFIG_TARGET_T1024RDB) + printf("Board rev: 0x%02x CPLD ver: 0x%02x, ", + CPLD_READ(hw_ver), CPLD_READ(sw_ver)); +#elif defined(CONFIG_TARGET_T1023RDB) + printf("Rev%c, ", t1023rdb_ctrl(GPIO3_GET_VERSION) + 'B'); +#endif + printf("boot from "); + +#ifdef CONFIG_SDCARD + puts("SD/MMC\n"); +#elif CONFIG_SPIFLASH + puts("SPI\n"); +#elif defined(CONFIG_TARGET_T1024RDB) + u8 reg; + + reg = CPLD_READ(flash_csr); + + if (reg & CPLD_BOOT_SEL) { + puts("NAND\n"); + } else { + reg = ((reg & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT); + printf("NOR vBank%d\n", reg); + } +#elif defined(CONFIG_TARGET_T1023RDB) +#ifdef CONFIG_MTD_RAW_NAND + puts("NAND\n"); +#else + printf("NOR vBank%d\n", t1023rdb_ctrl(I2C_GET_BANK)); +#endif +#endif + + puts("SERDES Reference Clocks:\n"); + if (srds_s1 == 0x95) + printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[2], freq[0]); + else + printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[0], freq[1]); + + return 0; +} + +#ifdef CONFIG_TARGET_T1024RDB +static void board_mux_lane(void) +{ + ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 srds_prtcl_s1; + u8 reg = CPLD_READ(misc_ctl_status); + + srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS1_PRTCL; + srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; + + if (srds_prtcl_s1 == 0x95) { + /* Route Lane B to PCIE */ + CPLD_WRITE(misc_ctl_status, reg & ~CPLD_PCIE_SGMII_MUX); + } else { + /* Route Lane B to SGMII */ + CPLD_WRITE(misc_ctl_status, reg | CPLD_PCIE_SGMII_MUX); + } + CPLD_WRITE(boot_override, CPLD_OVERRIDE_MUX_EN); +} +#endif + +int board_early_init_f(void) +{ +#if defined(CONFIG_DEEP_SLEEP) + if (is_warm_boot()) + fsl_dp_disable_console(); +#endif + + return 0; +} + +int board_early_init_r(void) +{ +#ifdef CONFIG_SYS_FLASH_BASE + const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; + int flash_esel = find_tlb_idx((void *)flashbase, 1); + /* + * Remap Boot flash region to caching-inhibited + * so that flash can be erased properly. + */ + + /* Flush d-cache and invalidate i-cache of any FLASH data */ + flush_dcache(); + invalidate_icache(); + if (flash_esel == -1) { + /* very unlikely unless something is messed up */ + puts("Error: Could not find TLB for FLASH BASE\n"); + flash_esel = 2; /* give our best effort to continue */ + } else { + /* invalidate existing TLB entry for flash + promjet */ + disable_tlb(flash_esel); + } + + set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, flash_esel, BOOKE_PAGESZ_256M, 1); +#endif + +#ifdef CONFIG_TARGET_T1024RDB + board_mux_lane(); +#endif + + return 0; +} + +unsigned long get_board_sys_clk(void) +{ + return CONFIG_SYS_CLK_FREQ; +} + +unsigned long get_board_ddr_clk(void) +{ + return CONFIG_DDR_CLK_FREQ; +} + +#ifdef CONFIG_TARGET_T1024RDB +void board_reset(void) +{ + CPLD_WRITE(reset_ctl1, CPLD_LBMAP_RESET); +} +#endif + +int misc_init_r(void) +{ + return 0; +} + +int ft_board_setup(void *blob, struct bd_info *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = env_get_bootm_low(); + size = env_get_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + +#ifdef CONFIG_PCI + pci_of_setup(blob, bd); +#endif + + fdt_fixup_liodn(blob); + fsl_fdt_fixup_dr_usb(blob, bd); + +#ifdef CONFIG_SYS_DPAA_FMAN +#ifndef CONFIG_DM_ETH + fdt_fixup_fman_ethernet(blob); +#endif + fdt_fixup_board_enet(blob); +#endif + +#ifdef CONFIG_TARGET_T1023RDB + if (t1023rdb_ctrl(GPIO3_GET_VERSION) > 0) + fdt_enable_nor(blob); +#endif + + return 0; +} + +#ifdef CONFIG_TARGET_T1023RDB +/* Enable NOR flash for RevC */ +static void fdt_enable_nor(void *blob) +{ + int nodeoff = fdt_node_offset_by_compatible(blob, 0, "cfi-flash"); + + if (nodeoff >= 0) + fdt_status_okay(blob, nodeoff); + else + printf("WARNING unable to set status for NOR\n"); +} + +int board_mmc_getcd(struct mmc *mmc) +{ + ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); + u32 val = in_be32(&pgpio->gpdat); + + /* GPIO1_14, 0: eMMC, 1: SD/MMC */ + val &= GPIO1_SD_SEL; + + return val ? -1 : 1; +} + +int board_mmc_getwp(struct mmc *mmc) +{ + ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); + u32 val = in_be32(&pgpio->gpdat); + + val &= GPIO1_SD_SEL; + + return val ? -1 : 0; +} + +static u32 t1023rdb_ctrl(u32 ctrl_type) +{ + ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); + ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 val; + u8 tmp; + int bus_num = I2C_PCA6408_BUS_NUM; + +#if CONFIG_IS_ENABLED(DM_I2C) + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(bus_num, I2C_PCA6408_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return ret; + } + switch (ctrl_type) { + case GPIO1_SD_SEL: + val = in_be32(&pgpio->gpdat); + val |= GPIO1_SD_SEL; + out_be32(&pgpio->gpdat, val); + setbits_be32(&pgpio->gpdir, GPIO1_SD_SEL); + break; + case GPIO1_EMMC_SEL: + val = in_be32(&pgpio->gpdat); + val &= ~GPIO1_SD_SEL; + out_be32(&pgpio->gpdat, val); + setbits_be32(&pgpio->gpdir, GPIO1_SD_SEL); + break; + case GPIO3_GET_VERSION: + pgpio = (ccsr_gpio_t *)(CONFIG_SYS_MPC85xx_GPIO_ADDR + + GPIO3_OFFSET); + val = in_be32(&pgpio->gpdat); + val = ((val & GPIO3_BRD_VER_MASK) >> 26) & 0x3; + if (val == 0x3) /* GPIO3_4/5 not used on RevB */ + val = 0; + return val; + case I2C_GET_BANK: + dm_i2c_read(dev, 0, &tmp, 1); + tmp &= 0x7; + tmp = ((tmp & 1) << 2) | (tmp & 2) | ((tmp & 4) >> 2); + return tmp; + case I2C_SET_BANK0: + tmp = 0x0; + dm_i2c_write(dev, 1, &tmp, 1); + tmp = 0xf8; + dm_i2c_write(dev, 3, &tmp, 1); + /* asserting HRESET_REQ */ + out_be32(&gur->rstcr, 0x2); + break; + case I2C_SET_BANK4: + tmp = 0x1; + dm_i2c_write(dev, 1, &tmp, 1); + tmp = 0xf8; + dm_i2c_write(dev, 3, &tmp, 1); + out_be32(&gur->rstcr, 0x2); + break; + default: + break; + } +#else + u32 orig_bus; + + orig_bus = i2c_get_bus_num(); + + switch (ctrl_type) { + case GPIO1_SD_SEL: + val = in_be32(&pgpio->gpdat); + val |= GPIO1_SD_SEL; + out_be32(&pgpio->gpdat, val); + setbits_be32(&pgpio->gpdir, GPIO1_SD_SEL); + break; + case GPIO1_EMMC_SEL: + val = in_be32(&pgpio->gpdat); + val &= ~GPIO1_SD_SEL; + out_be32(&pgpio->gpdat, val); + setbits_be32(&pgpio->gpdir, GPIO1_SD_SEL); + break; + case GPIO3_GET_VERSION: + pgpio = (ccsr_gpio_t *)(CONFIG_SYS_MPC85xx_GPIO_ADDR + + GPIO3_OFFSET); + val = in_be32(&pgpio->gpdat); + val = ((val & GPIO3_BRD_VER_MASK) >> 26) & 0x3; + if (val == 0x3) /* GPIO3_4/5 not used on RevB */ + val = 0; + return val; + case I2C_GET_BANK: + i2c_set_bus_num(bus_num); + i2c_read(I2C_PCA6408_ADDR, 0, 1, &tmp, 1); + tmp &= 0x7; + tmp = ((tmp & 1) << 2) | (tmp & 2) | ((tmp & 4) >> 2); + i2c_set_bus_num(orig_bus); + return tmp; + case I2C_SET_BANK0: + i2c_set_bus_num(bus_num); + tmp = 0x0; + i2c_write(I2C_PCA6408_ADDR, 1, 1, &tmp, 1); + tmp = 0xf8; + i2c_write(I2C_PCA6408_ADDR, 3, 1, &tmp, 1); + /* asserting HRESET_REQ */ + out_be32(&gur->rstcr, 0x2); + break; + case I2C_SET_BANK4: + i2c_set_bus_num(bus_num); + tmp = 0x1; + i2c_write(I2C_PCA6408_ADDR, 1, 1, &tmp, 1); + tmp = 0xf8; + i2c_write(I2C_PCA6408_ADDR, 3, 1, &tmp, 1); + out_be32(&gur->rstcr, 0x2); + break; + default: + break; + } +#endif + return 0; +} + +static int switch_cmd(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + if (argc < 2) + return CMD_RET_USAGE; + if (!strcmp(argv[1], "bank0")) + t1023rdb_ctrl(I2C_SET_BANK0); + else if (!strcmp(argv[1], "bank4") || !strcmp(argv[1], "altbank")) + t1023rdb_ctrl(I2C_SET_BANK4); + else if (!strcmp(argv[1], "sd")) + t1023rdb_ctrl(GPIO1_SD_SEL); + else if (!strcmp(argv[1], "emmc")) + t1023rdb_ctrl(GPIO1_EMMC_SEL); + else + return CMD_RET_USAGE; + return 0; +} + +U_BOOT_CMD( + switch, 2, 0, switch_cmd, + "for bank0/bank4/sd/emmc switch control in runtime", + "command (e.g. switch bank4)" +); +#endif |