diff options
Diffstat (limited to 'roms/u-boot/board/freescale/p1010rdb/p1010rdb.c')
| -rw-r--r-- | roms/u-boot/board/freescale/p1010rdb/p1010rdb.c | 564 |
1 files changed, 564 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/p1010rdb/p1010rdb.c b/roms/u-boot/board/freescale/p1010rdb/p1010rdb.c new file mode 100644 index 00000000..62caf676 --- /dev/null +++ b/roms/u-boot/board/freescale/p1010rdb/p1010rdb.c @@ -0,0 +1,564 @@ +/* + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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 <miiphy.h> +#include <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_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_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; + + /* Clock configuration to access CPLD using IFC(GPCM) */ + setbits_be32(&ifc->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; + const u8 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(); + + /* 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_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_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_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_P1010RDB_PA) + printf("Board: %sRDB-PA, ", cpu->name); +#elif defined(CONFIG_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_P1010RDB_PA) + val = (in_8(&cpld_data->pcba_ver) & 0xf); + printf("PCB: v%x.0\n", val); +#elif defined(CONFIG_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; +} + +#ifdef CONFIG_TSEC_ENET +int board_eth_init(bd_t *bis) +{ + 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); + + return pci_eth_init(bis); +} +#endif + +#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)); + } +} + +void 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 = getenv_bootm_low(); + size = getenv_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) + 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); + } +} +#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_P1010RDB_PB + setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS); +#endif + return 0; +} + +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)" +); |