diff options
Diffstat (limited to 'board/freescale/p1_twr/p1_twr.c')
| -rw-r--r-- | board/freescale/p1_twr/p1_twr.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/board/freescale/p1_twr/p1_twr.c b/board/freescale/p1_twr/p1_twr.c new file mode 100644 index 0000000000..ea8db6fc07 --- /dev/null +++ b/board/freescale/p1_twr/p1_twr.c @@ -0,0 +1,281 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <hwconfig.h> +#include <pci.h> +#include <i2c.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_pci.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/io.h> +#include <asm/fsl_law.h> +#include <asm/fsl_lbc.h> +#include <asm/mp.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <fsl_mdio.h> +#include <tsec.h> +#include <ioports.h> +#include <asm/fsl_serdes.h> +#include <netdev.h> + +#define SYSCLK_64 64000000 +#define SYSCLK_66 66666666 + +unsigned long get_board_sys_clk(ulong dummy) +{ + ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + par_io_t *par_io = (par_io_t *) &(gur->qe_par_io); + unsigned int cpdat_val = 0; + + /* Set-up up pin muxing based on board switch settings */ + cpdat_val = par_io[1].cpdat; + + /* Check switch setting for SYSCLK select (PB3) */ + if (cpdat_val & 0x10000000) + return SYSCLK_64; + else + return SYSCLK_66; + + return 0; +} + +#ifdef CONFIG_QE + +#define PCA_IOPORT_I2C_ADDR 0x23 +#define PCA_IOPORT_OUTPUT_CMD 0x2 +#define PCA_IOPORT_CFG_CMD 0x6 + +const qe_iop_conf_t qe_iop_conf_tab[] = { + +#ifdef CONFIG_TWR_P1025 + /* GPIO */ + {1, 0, 1, 0, 0}, + {1, 18, 1, 0, 0}, + + /* GPIO for switch options */ + {1, 2, 2, 0, 0}, /* PROFIBUS_MODE_SEL */ + {1, 3, 2, 0, 0}, /* SYS_CLK_SELECT */ + {1, 29, 2, 0, 0}, /* LOCALBUS_QE_MUXSEL */ + {1, 30, 2, 0, 0}, /* ETH_TDM_SEL */ + + /* QE_MUX_MDC */ + {1, 19, 1, 0, 1}, /* QE_MUX_MDC */ + + /* QE_MUX_MDIO */ + {1, 20, 3, 0, 1}, /* QE_MUX_MDIO */ + + /* UCC_1_MII */ + {0, 23, 2, 0, 2}, /* CLK12 */ + {0, 24, 2, 0, 1}, /* CLK9 */ + {0, 7, 1, 0, 2}, /* ENET1_TXD0_SER1_TXD0 */ + {0, 9, 1, 0, 2}, /* ENET1_TXD1_SER1_TXD1 */ + {0, 11, 1, 0, 2}, /* ENET1_TXD2_SER1_TXD2 */ + {0, 12, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3 */ + {0, 6, 2, 0, 2}, /* ENET1_RXD0_SER1_RXD0 */ + {0, 10, 2, 0, 2}, /* ENET1_RXD1_SER1_RXD1 */ + {0, 14, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2 */ + {0, 15, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3 */ + {0, 5, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B */ + {0, 13, 1, 0, 2}, /* ENET1_TX_ER */ + {0, 4, 2, 0, 2}, /* ENET1_RX_DV_SER1_CTS_B */ + {0, 8, 2, 0, 2}, /* ENET1_RX_ER_SER1_CD_B */ + {0, 17, 2, 0, 2}, /* ENET1_CRS */ + {0, 16, 2, 0, 2}, /* ENET1_COL */ + + /* UCC_5_RMII */ + {1, 11, 2, 0, 1}, /* CLK13 */ + {1, 7, 1, 0, 2}, /* ENET5_TXD0_SER5_TXD0 */ + {1, 10, 1, 0, 2}, /* ENET5_TXD1_SER5_TXD1 */ + {1, 6, 2, 0, 2}, /* ENET5_RXD0_SER5_RXD0 */ + {1, 9, 2, 0, 2}, /* ENET5_RXD1_SER5_RXD1 */ + {1, 5, 1, 0, 2}, /* ENET5_TX_EN_SER5_RTS_B */ + {1, 4, 2, 0, 2}, /* ENET5_RX_DV_SER5_CTS_B */ + {1, 8, 2, 0, 2}, /* ENET5_RX_ER_SER5_CD_B */ + + /* TDMA - clock option is configured in OS based on board setting */ + {1, 23, 2, 0, 2}, /* TDMA_TXD */ + {1, 25, 2, 0, 2}, /* TDMA_RXD */ + {1, 26, 1, 0, 2}, /* TDMA_SYNC */ +#endif + + {0, 0, 0, 0, QE_IOP_TAB_END} /* END of table */ +}; +#endif + +int board_early_init_f(void) +{ + ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + setbits_be32(&gur->pmuxcr, + (MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP)); + + /* SDHC_DAT[4:7] not exposed to pins (use as SPI) */ + clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); + + return 0; +} + +int checkboard(void) +{ + ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u8 boot_status; + + printf("Board: %s\n", CONFIG_BOARDNAME); + + boot_status = ((gur->porbmsr) >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf; + puts("rom_loc: "); + if (boot_status == PORBMSR_ROMLOC_NOR) + puts("nor flash"); + else if (boot_status == PORBMSR_ROMLOC_SDHC) + puts("sd"); + else + puts("unknown"); + puts("\n"); + + return 0; +} + +#ifdef CONFIG_PCI +void pci_init_board(void) +{ + fsl_pcie_init_board(0); +} +#endif + +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, /* tlb, epn, rpn */ + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ + 0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */ + return 0; +} + +int board_eth_init(bd_t *bis) +{ + struct fsl_pq_mdio_info mdio_info; + struct tsec_info_struct tsec_info[4]; + ccsr_gur_t *gur __attribute__((unused)) = + (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + int num = 0; + +#ifdef CONFIG_TSEC1 + SET_STD_TSEC_INFO(tsec_info[num], 1); + num++; +#endif +#ifdef CONFIG_TSEC2 + SET_STD_TSEC_INFO(tsec_info[num], 2); + if (is_serdes_configured(SGMII_TSEC2)) { + printf("eTSEC2 is in sgmii mode.\n"); + tsec_info[num].flags |= TSEC_SGMII; + } + num++; +#endif +#ifdef CONFIG_TSEC3 + 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); + +#if defined(CONFIG_UEC_ETH) + /* QE0 and QE3 need to be exposed for UCC1 + * and UCC5 Eth mode (in PMUXCR register). + * Currently QE/LBC muxed pins assumed to be + * LBC for U-Boot and PMUXCR updated by OS if required */ + + uec_standard_init(bis); +#endif + + return pci_eth_init(bis); +} + +#if defined(CONFIG_QE) +static void fdt_board_fixup_qe_pins(void *blob) +{ + int node; + + if (!hwconfig("qe")) { + /* For QE and eLBC pins multiplexing, + * When don't use QE function, remove + * qe node from dt blob. + */ + node = fdt_path_offset(blob, "/qe"); + if (node >= 0) + fdt_del_node(blob, node); + } else { + /* For TWR Peripheral Modules - TWR-SER2 + * board only can support Signal Port MII, + * so delete one UEC node when use MII port. + */ + if (hwconfig("mii")) + node = fdt_path_offset(blob, "/qe/ucc@2400"); + else + node = fdt_path_offset(blob, "/qe/ucc@2000"); + if (node >= 0) + fdt_del_node(blob, node); + } + + return; +} +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +void ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + + FT_FSL_PCI_SETUP; + +#ifdef CONFIG_QE + do_fixup_by_compat(blob, "fsl,qe", "status", "okay", + sizeof("okay"), 0); +#endif +#if defined(CONFIG_TWR_P1025) + fdt_board_fixup_qe_pins(blob); +#endif + fdt_fixup_dr_usb(blob, bd); +} +#endif |
