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Diffstat (limited to 'board/isee/igep003x/board.c')
| -rw-r--r-- | board/isee/igep003x/board.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/board/isee/igep003x/board.c b/board/isee/igep003x/board.c new file mode 100644 index 0000000000..2d0ebbf5ef --- /dev/null +++ b/board/isee/igep003x/board.c @@ -0,0 +1,287 @@ +/* + * Board functions for IGEP COM AQUILA and SMARC AM335x based boards + * + * Copyright (C) 2013-2017, ISEE 2007 SL - http://www.isee.biz/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <spl.h> +#include <asm/arch/cpu.h> +#include <asm/arch/hardware.h> +#include <asm/arch/omap.h> +#include <asm/arch/ddr_defs.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <asm/emif.h> +#include <asm/gpio.h> +#include <i2c.h> +#include <miiphy.h> +#include <cpsw.h> +#include <fdt_support.h> +#include <mtd_node.h> +#include <jffs2/load_kernel.h> +#include <environment.h> +#include "board.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* GPIO0_27 and GPIO0_26 are used to read board revision from IGEP003x boards + * and control IGEP0034 green and red LEDs. + * U-boot configures these pins as input pullup to detect board revision: + * IGEP0034-LITE = 0b00 + * IGEP0034 (FULL) = 0b01 + * IGEP0033 = 0b1X + */ +#define GPIO_GREEN_REVISION 27 +#define GPIO_RED_REVISION 26 + +static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + +/* + * Routine: get_board_revision + * Description: Returns the board revision + */ +static int get_board_revision(void) +{ + int revision; + + gpio_request(GPIO_GREEN_REVISION, "green_revision"); + gpio_direction_input(GPIO_GREEN_REVISION); + revision = 2 * gpio_get_value(GPIO_GREEN_REVISION); + gpio_free(GPIO_GREEN_REVISION); + + gpio_request(GPIO_RED_REVISION, "red_revision"); + gpio_direction_input(GPIO_RED_REVISION); + revision = revision + gpio_get_value(GPIO_RED_REVISION); + gpio_free(GPIO_RED_REVISION); + + return revision; +} + +#ifdef CONFIG_SPL_BUILD +/* PN H5TQ4G63AFR is equivalent to MT41K256M16HA125*/ +static const struct ddr_data ddr3_igep0034_data = { + .datardsratio0 = MT41K256M16HA125E_RD_DQS, + .datawdsratio0 = MT41K256M16HA125E_WR_DQS, + .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, + .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, +}; + +static const struct ddr_data ddr3_igep0034_lite_data = { + .datardsratio0 = K4B2G1646EBIH9_RD_DQS, + .datawdsratio0 = K4B2G1646EBIH9_WR_DQS, + .datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE, + .datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA, +}; + +static const struct cmd_control ddr3_igep0034_cmd_ctrl_data = { + .cmd0csratio = MT41K256M16HA125E_RATIO, + .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, + + .cmd1csratio = MT41K256M16HA125E_RATIO, + .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, + + .cmd2csratio = MT41K256M16HA125E_RATIO, + .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, +}; + +static const struct cmd_control ddr3_igep0034_lite_cmd_ctrl_data = { + .cmd0csratio = K4B2G1646EBIH9_RATIO, + .cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT, + + .cmd1csratio = K4B2G1646EBIH9_RATIO, + .cmd1iclkout = K4B2G1646EBIH9_INVERT_CLKOUT, + + .cmd2csratio = K4B2G1646EBIH9_RATIO, + .cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT, +}; + +static struct emif_regs ddr3_igep0034_emif_reg_data = { + .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, + .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, + .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, + .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, + .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, + .zq_config = MT41K256M16HA125E_ZQ_CFG, + .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, +}; + +static struct emif_regs ddr3_igep0034_lite_emif_reg_data = { + .sdram_config = K4B2G1646EBIH9_EMIF_SDCFG, + .ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF, + .sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1, + .sdram_tim2 = K4B2G1646EBIH9_EMIF_TIM2, + .sdram_tim3 = K4B2G1646EBIH9_EMIF_TIM3, + .zq_config = K4B2G1646EBIH9_ZQ_CFG, + .emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY, +}; + +const struct ctrl_ioregs ioregs_igep0034 = { + .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, +}; + +const struct ctrl_ioregs ioregs_igep0034_lite = { + .cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, + .cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, + .cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, + .dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, + .dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, +}; + +#define OSC (V_OSCK/1000000) +const struct dpll_params dpll_ddr = { + 400, OSC-1, 1, -1, -1, -1, -1}; + +const struct dpll_params *get_dpll_ddr_params(void) +{ + return &dpll_ddr; +} + +void set_uart_mux_conf(void) +{ + enable_uart0_pin_mux(); +} + +void set_mux_conf_regs(void) +{ + enable_board_pin_mux(); +} + +void sdram_init(void) +{ + if (get_board_revision() == 1) + config_ddr(400, &ioregs_igep0034, &ddr3_igep0034_data, + &ddr3_igep0034_cmd_ctrl_data, &ddr3_igep0034_emif_reg_data, 0); + else + config_ddr(400, &ioregs_igep0034_lite, &ddr3_igep0034_lite_data, + &ddr3_igep0034_lite_cmd_ctrl_data, &ddr3_igep0034_lite_emif_reg_data, 0); +} +#endif + +/* + * Basic board specific setup. Pinmux has been handled already. + */ +int board_init(void) +{ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + gpmc_init(); + + return 0; +} + +#ifdef CONFIG_BOARD_LATE_INIT +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + switch (get_board_revision()) { + case 0: + setenv("board_name", "igep0034-lite"); + break; + case 1: + setenv("board_name", "igep0034"); + break; + default: + setenv("board_name", "igep0033"); + break; + } +#endif + return 0; +} +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +int ft_board_setup(void *blob, bd_t *bd) +{ +#ifdef CONFIG_FDT_FIXUP_PARTITIONS + static struct node_info nodes[] = { + { "ti,omap2-nand", MTD_DEV_TYPE_NAND, }, + }; + + fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); +#endif + return 0; +} +#endif + +#if defined(CONFIG_DRIVER_TI_CPSW) +static void cpsw_control(int enabled) +{ + /* VTP can be added here */ + + return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { + { + .slave_reg_ofs = 0x208, + .sliver_reg_ofs = 0xd80, + .phy_addr = 0, + .phy_if = PHY_INTERFACE_MODE_RMII, + }, +}; + +static struct cpsw_platform_data cpsw_data = { + .mdio_base = CPSW_MDIO_BASE, + .cpsw_base = CPSW_BASE, + .mdio_div = 0xff, + .channels = 8, + .cpdma_reg_ofs = 0x800, + .slaves = 1, + .slave_data = cpsw_slaves, + .ale_reg_ofs = 0xd00, + .ale_entries = 1024, + .host_port_reg_ofs = 0x108, + .hw_stats_reg_ofs = 0x900, + .bd_ram_ofs = 0x2000, + .mac_control = (1 << 5), + .control = cpsw_control, + .host_port_num = 0, + .version = CPSW_CTRL_VERSION_2, +}; + +int board_eth_init(bd_t *bis) +{ + int rv, ret = 0; + uint8_t mac_addr[6]; + uint32_t mac_hi, mac_lo; + + if (!eth_getenv_enetaddr("ethaddr", mac_addr)) { + /* try reading mac address from efuse */ + mac_lo = readl(&cdev->macid0l); + mac_hi = readl(&cdev->macid0h); + mac_addr[0] = mac_hi & 0xFF; + mac_addr[1] = (mac_hi & 0xFF00) >> 8; + mac_addr[2] = (mac_hi & 0xFF0000) >> 16; + mac_addr[3] = (mac_hi & 0xFF000000) >> 24; + mac_addr[4] = mac_lo & 0xFF; + mac_addr[5] = (mac_lo & 0xFF00) >> 8; + if (is_valid_ethaddr(mac_addr)) + eth_setenv_enetaddr("ethaddr", mac_addr); + } + + writel((GMII1_SEL_RMII | RMII1_IO_CLK_EN), + &cdev->miisel); + + if (get_board_revision() == 1) + cpsw_slaves[0].phy_addr = 1; + + rv = cpsw_register(&cpsw_data); + if (rv < 0) + printf("Error %d registering CPSW switch\n", rv); + else + ret += rv; + + return ret; +} +#endif |