| /* |
| * Copyright 2014 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <i2c.h> |
| #include <netdev.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_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, bd_t *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 |
| fdt_fixup_fman_ethernet(blob); |
| 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, orig_bus = i2c_get_bus_num(); |
| u8 tmp; |
| |
| 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(I2C_PCA6408_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(I2C_PCA6408_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(I2C_PCA6408_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; |
| } |
| return 0; |
| } |
| |
| static int switch_cmd(cmd_tbl_t *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 |