| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2010-2011 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <common.h> |
| #include <asm/processor.h> |
| #include <asm/mmu.h> |
| #include <asm/cache.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/io.h> |
| #include <env.h> |
| #include <miiphy.h> |
| #include <linux/libfdt.h> |
| #include <fdt_support.h> |
| #include <fsl_mdio.h> |
| #include <tsec.h> |
| #include <mmc.h> |
| #include <netdev.h> |
| #include <pci.h> |
| #include <asm/fsl_serdes.h> |
| #include <fsl_ifc.h> |
| #include <asm/fsl_pci.h> |
| #include <hwconfig.h> |
| #include <i2c.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define GPIO4_PCIE_RESET_SET 0x08000000 |
| #define MUX_CPLD_CAN_UART 0x00 |
| #define MUX_CPLD_TDM 0x01 |
| #define MUX_CPLD_SPICS0_FLASH 0x00 |
| #define MUX_CPLD_SPICS0_SLIC 0x02 |
| #define PMUXCR1_IFC_MASK 0x00ffff00 |
| #define PMUXCR1_SDHC_MASK 0x00fff000 |
| #define PMUXCR1_SDHC_ENABLE 0x00555000 |
| |
| enum { |
| MUX_TYPE_IFC, |
| MUX_TYPE_SDHC, |
| MUX_TYPE_SPIFLASH, |
| MUX_TYPE_TDM, |
| MUX_TYPE_CAN, |
| MUX_TYPE_CS0_NOR, |
| MUX_TYPE_CS0_NAND, |
| }; |
| |
| enum { |
| I2C_READ_BANK, |
| I2C_READ_PCB_VER, |
| }; |
| |
| static uint sd_ifc_mux; |
| |
| struct cpld_data { |
| u8 cpld_ver; /* cpld revision */ |
| #if defined(CONFIG_TARGET_P1010RDB_PA) |
| u8 pcba_ver; /* pcb revision number */ |
| u8 twindie_ddr3; |
| u8 res1[6]; |
| u8 bank_sel; /* NOR Flash bank */ |
| u8 res2[5]; |
| u8 usb2_sel; |
| u8 res3[1]; |
| u8 porsw_sel; |
| u8 tdm_can_sel; |
| u8 spi_cs0_sel; /* SPI CS0 SLIC/SPI Flash */ |
| u8 por0; /* POR Options */ |
| u8 por1; /* POR Options */ |
| u8 por2; /* POR Options */ |
| u8 por3; /* POR Options */ |
| #elif defined(CONFIG_TARGET_P1010RDB_PB) |
| u8 rom_loc; |
| #endif |
| }; |
| |
| int board_early_init_f(void) |
| { |
| ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); |
| struct fsl_ifc ifc = {(void *)CONFIG_SYS_IFC_ADDR, (void *)NULL}; |
| /* Clock configuration to access CPLD using IFC(GPCM) */ |
| setbits_be32(&ifc.gregs->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT); |
| /* |
| * Reset PCIe slots via GPIO4 |
| */ |
| setbits_be32(&pgpio->gpdir, GPIO4_PCIE_RESET_SET); |
| setbits_be32(&pgpio->gpdat, GPIO4_PCIE_RESET_SET); |
| |
| return 0; |
| } |
| |
| int board_early_init_r(void) |
| { |
| 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 */ |
| 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_16M, 1); |
| |
| set_tlb(1, flashbase + 0x1000000, |
| CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000, |
| MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, |
| 0, flash_esel+1, BOOKE_PAGESZ_16M, 1); |
| return 0; |
| } |
| |
| #ifdef CONFIG_PCI |
| void pci_init_board(void) |
| { |
| fsl_pcie_init_board(0); |
| } |
| #endif /* ifdef CONFIG_PCI */ |
| |
| int config_board_mux(int ctrl_type) |
| { |
| ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| u8 tmp; |
| |
| #if defined(CONFIG_TARGET_P1010RDB_PA) |
| struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); |
| |
| switch (ctrl_type) { |
| case MUX_TYPE_IFC: |
| i2c_set_bus_num(I2C_PCA9557_BUS_NUM); |
| tmp = 0xf0; |
| i2c_write(I2C_PCA9557_ADDR1, 3, 1, &tmp, 1); |
| tmp = 0x01; |
| i2c_write(I2C_PCA9557_ADDR1, 1, 1, &tmp, 1); |
| sd_ifc_mux = MUX_TYPE_IFC; |
| clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); |
| break; |
| case MUX_TYPE_SDHC: |
| i2c_set_bus_num(I2C_PCA9557_BUS_NUM); |
| tmp = 0xf0; |
| i2c_write(I2C_PCA9557_ADDR1, 3, 1, &tmp, 1); |
| tmp = 0x05; |
| i2c_write(I2C_PCA9557_ADDR1, 1, 1, &tmp, 1); |
| sd_ifc_mux = MUX_TYPE_SDHC; |
| clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, |
| PMUXCR1_SDHC_ENABLE); |
| break; |
| case MUX_TYPE_SPIFLASH: |
| out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH); |
| break; |
| case MUX_TYPE_TDM: |
| out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM); |
| out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC); |
| break; |
| case MUX_TYPE_CAN: |
| out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART); |
| break; |
| default: |
| break; |
| } |
| #elif defined(CONFIG_TARGET_P1010RDB_PB) |
| uint orig_bus = i2c_get_bus_num(); |
| i2c_set_bus_num(I2C_PCA9557_BUS_NUM); |
| |
| switch (ctrl_type) { |
| case MUX_TYPE_IFC: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x04); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x04); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| sd_ifc_mux = MUX_TYPE_IFC; |
| clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); |
| break; |
| case MUX_TYPE_SDHC: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| setbits_8(&tmp, 0x04); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x04); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| sd_ifc_mux = MUX_TYPE_SDHC; |
| clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, |
| PMUXCR1_SDHC_ENABLE); |
| break; |
| case MUX_TYPE_SPIFLASH: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x80); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x80); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| break; |
| case MUX_TYPE_TDM: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| setbits_8(&tmp, 0x82); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x82); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| break; |
| case MUX_TYPE_CAN: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x02); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x02); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| break; |
| case MUX_TYPE_CS0_NOR: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x08); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x08); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| break; |
| case MUX_TYPE_CS0_NAND: |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); |
| setbits_8(&tmp, 0x08); |
| i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); |
| i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| clrbits_8(&tmp, 0x08); |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); |
| break; |
| default: |
| break; |
| } |
| i2c_set_bus_num(orig_bus); |
| #endif |
| return 0; |
| } |
| |
| #ifdef CONFIG_TARGET_P1010RDB_PB |
| int i2c_pca9557_read(int type) |
| { |
| u8 val; |
| |
| i2c_set_bus_num(I2C_PCA9557_BUS_NUM); |
| i2c_read(I2C_PCA9557_ADDR2, 0, 1, &val, 1); |
| |
| switch (type) { |
| case I2C_READ_BANK: |
| val = (val & 0x10) >> 4; |
| break; |
| case I2C_READ_PCB_VER: |
| val = ((val & 0x60) >> 5) + 1; |
| break; |
| default: |
| break; |
| } |
| |
| return val; |
| } |
| #endif |
| |
| int checkboard(void) |
| { |
| struct cpu_type *cpu; |
| struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); |
| u8 val; |
| |
| cpu = gd->arch.cpu; |
| #if defined(CONFIG_TARGET_P1010RDB_PA) |
| printf("Board: %sRDB-PA, ", cpu->name); |
| #elif defined(CONFIG_TARGET_P1010RDB_PB) |
| printf("Board: %sRDB-PB, ", cpu->name); |
| i2c_set_bus_num(I2C_PCA9557_BUS_NUM); |
| i2c_init(CONFIG_SYS_FSL_I2C_SPEED, CONFIG_SYS_FSL_I2C_SLAVE); |
| val = 0x0; /* no polarity inversion */ |
| i2c_write(I2C_PCA9557_ADDR2, 2, 1, &val, 1); |
| #endif |
| |
| #ifdef CONFIG_SDCARD |
| /* switch to IFC to read info from CPLD */ |
| config_board_mux(MUX_TYPE_IFC); |
| #endif |
| |
| #if defined(CONFIG_TARGET_P1010RDB_PA) |
| val = (in_8(&cpld_data->pcba_ver) & 0xf); |
| printf("PCB: v%x.0\n", val); |
| #elif defined(CONFIG_TARGET_P1010RDB_PB) |
| val = in_8(&cpld_data->cpld_ver); |
| printf("CPLD: v%x.%x, ", val >> 4, val & 0xf); |
| printf("PCB: v%x.0, ", i2c_pca9557_read(I2C_READ_PCB_VER)); |
| val = in_8(&cpld_data->rom_loc) & 0xf; |
| puts("Boot from: "); |
| switch (val) { |
| case 0xf: |
| config_board_mux(MUX_TYPE_CS0_NOR); |
| printf("NOR vBank%d\n", i2c_pca9557_read(I2C_READ_BANK)); |
| break; |
| case 0xe: |
| puts("SDHC\n"); |
| val = 0x60; /* set pca9557 pin input/output */ |
| i2c_write(I2C_PCA9557_ADDR2, 3, 1, &val, 1); |
| break; |
| case 0x5: |
| config_board_mux(MUX_TYPE_IFC); |
| config_board_mux(MUX_TYPE_CS0_NAND); |
| puts("NAND\n"); |
| break; |
| case 0x6: |
| config_board_mux(MUX_TYPE_IFC); |
| puts("SPI\n"); |
| break; |
| default: |
| puts("unknown\n"); |
| break; |
| } |
| #endif |
| return 0; |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| #ifdef CONFIG_TSEC_ENET |
| struct fsl_pq_mdio_info mdio_info; |
| struct tsec_info_struct tsec_info[4]; |
| struct cpu_type *cpu; |
| int num = 0; |
| |
| cpu = gd->arch.cpu; |
| |
| #ifdef CONFIG_TSEC1 |
| SET_STD_TSEC_INFO(tsec_info[num], 1); |
| num++; |
| #endif |
| #ifdef CONFIG_TSEC2 |
| SET_STD_TSEC_INFO(tsec_info[num], 2); |
| num++; |
| #endif |
| #ifdef CONFIG_TSEC3 |
| /* P1014 and it's derivatives do not support eTSEC3 */ |
| if (cpu->soc_ver != SVR_P1014) { |
| SET_STD_TSEC_INFO(tsec_info[num], 3); |
| num++; |
| } |
| #endif |
| if (!num) { |
| printf("No TSECs initialized\n"); |
| return 0; |
| } |
| |
| mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; |
| mdio_info.name = DEFAULT_MII_NAME; |
| |
| fsl_pq_mdio_init(bis, &mdio_info); |
| |
| tsec_eth_init(bis, tsec_info, num); |
| #endif |
| |
| return pci_eth_init(bis); |
| } |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) |
| void fdt_del_flexcan(void *blob) |
| { |
| int nodeoff = 0; |
| |
| while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, |
| "fsl,p1010-flexcan")) >= 0) { |
| fdt_del_node(blob, nodeoff); |
| } |
| } |
| |
| void fdt_del_spi_flash(void *blob) |
| { |
| int nodeoff = 0; |
| |
| while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, |
| "spansion,s25sl12801")) >= 0) { |
| fdt_del_node(blob, nodeoff); |
| } |
| } |
| |
| void fdt_del_spi_slic(void *blob) |
| { |
| int nodeoff = 0; |
| |
| while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, |
| "zarlink,le88266")) >= 0) { |
| fdt_del_node(blob, nodeoff); |
| } |
| } |
| |
| void fdt_del_tdm(void *blob) |
| { |
| int nodeoff = 0; |
| |
| while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, |
| "fsl,starlite-tdm")) >= 0) { |
| fdt_del_node(blob, nodeoff); |
| } |
| } |
| |
| void fdt_del_sdhc(void *blob) |
| { |
| int nodeoff = 0; |
| |
| while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, |
| "fsl,esdhc")) >= 0) { |
| fdt_del_node(blob, nodeoff); |
| } |
| } |
| |
| void fdt_del_ifc(void *blob) |
| { |
| int nodeoff = 0; |
| |
| while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, |
| "fsl,ifc")) >= 0) { |
| fdt_del_node(blob, nodeoff); |
| } |
| } |
| |
| void fdt_disable_uart1(void *blob) |
| { |
| int nodeoff; |
| |
| nodeoff = fdt_node_offset_by_compat_reg(blob, "fsl,ns16550", |
| CONFIG_SYS_NS16550_COM2); |
| |
| if (nodeoff > 0) { |
| fdt_status_disabled(blob, nodeoff); |
| } else { |
| printf("WARNING unable to set status for fsl,ns16550 " |
| "uart1: %s\n", fdt_strerror(nodeoff)); |
| } |
| } |
| |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| phys_addr_t base; |
| phys_size_t size; |
| struct cpu_type *cpu; |
| |
| cpu = gd->arch.cpu; |
| |
| ft_cpu_setup(blob, bd); |
| |
| base = env_get_bootm_low(); |
| size = env_get_bootm_size(); |
| |
| #if defined(CONFIG_PCI) |
| FT_FSL_PCI_SETUP; |
| #endif |
| |
| fdt_fixup_memory(blob, (u64)base, (u64)size); |
| |
| #if defined(CONFIG_HAS_FSL_DR_USB) |
| fsl_fdt_fixup_dr_usb(blob, bd); |
| #endif |
| |
| /* P1014 and it's derivatives don't support CAN and eTSEC3 */ |
| if (cpu->soc_ver == SVR_P1014) { |
| fdt_del_flexcan(blob); |
| fdt_del_node_and_alias(blob, "ethernet2"); |
| } |
| |
| /* Delete IFC node as IFC pins are multiplexing with SDHC */ |
| if (sd_ifc_mux != MUX_TYPE_IFC) |
| fdt_del_ifc(blob); |
| else |
| fdt_del_sdhc(blob); |
| |
| if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) { |
| fdt_del_tdm(blob); |
| fdt_del_spi_slic(blob); |
| } else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) { |
| fdt_del_flexcan(blob); |
| fdt_del_spi_flash(blob); |
| fdt_disable_uart1(blob); |
| } else { |
| /* |
| * If we don't set fsl_p1010mux:tdm_can to "can" or "tdm" |
| * explicitly, defaultly spi_cs_sel to spi-flash instead of |
| * to tdm/slic. |
| */ |
| fdt_del_tdm(blob); |
| fdt_del_flexcan(blob); |
| fdt_disable_uart1(blob); |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_SDCARD |
| int board_mmc_init(bd_t *bis) |
| { |
| config_board_mux(MUX_TYPE_SDHC); |
| return -1; |
| } |
| #else |
| void board_reset(void) |
| { |
| /* mux to IFC to enable CPLD for reset */ |
| if (sd_ifc_mux != MUX_TYPE_IFC) |
| config_board_mux(MUX_TYPE_IFC); |
| } |
| #endif |
| |
| |
| int misc_init_r(void) |
| { |
| ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| |
| if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) { |
| clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN1_TDM | |
| MPC85xx_PMUXCR_CAN1_UART | |
| MPC85xx_PMUXCR_CAN2_TDM | |
| MPC85xx_PMUXCR_CAN2_UART); |
| config_board_mux(MUX_TYPE_CAN); |
| } else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) { |
| clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_UART | |
| MPC85xx_PMUXCR_CAN1_UART); |
| setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_TDM | |
| MPC85xx_PMUXCR_CAN1_TDM); |
| clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_GPIO); |
| setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_TDM); |
| config_board_mux(MUX_TYPE_TDM); |
| } else { |
| /* defaultly spi_cs_sel to flash */ |
| config_board_mux(MUX_TYPE_SPIFLASH); |
| } |
| |
| if (hwconfig("esdhc")) |
| config_board_mux(MUX_TYPE_SDHC); |
| else if (hwconfig("ifc")) |
| config_board_mux(MUX_TYPE_IFC); |
| |
| #ifdef CONFIG_TARGET_P1010RDB_PB |
| setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS); |
| #endif |
| return 0; |
| } |
| |
| #ifndef CONFIG_SPL_BUILD |
| static int pin_mux_cmd(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| if (argc < 2) |
| return CMD_RET_USAGE; |
| if (strcmp(argv[1], "ifc") == 0) |
| config_board_mux(MUX_TYPE_IFC); |
| else if (strcmp(argv[1], "sdhc") == 0) |
| config_board_mux(MUX_TYPE_SDHC); |
| else |
| return CMD_RET_USAGE; |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| mux, 2, 0, pin_mux_cmd, |
| "configure multiplexing pin for IFC/SDHC bus in runtime", |
| "bus_type (e.g. mux sdhc)" |
| ); |
| #endif |