diff options
| -rw-r--r-- | arch/arm/mach-omap2/am33xx/Kconfig | 1 | ||||
| -rw-r--r-- | board/isee/igep003x/board.c | 126 | ||||
| -rw-r--r-- | board/isee/igep003x/mux.c | 10 | ||||
| -rw-r--r-- | configs/am335x_igep003x_defconfig (renamed from configs/am335x_igep0033_defconfig) | 0 | ||||
| -rw-r--r-- | include/configs/am335x_igep003x.h | 15 |
5 files changed, 133 insertions, 19 deletions
diff --git a/arch/arm/mach-omap2/am33xx/Kconfig b/arch/arm/mach-omap2/am33xx/Kconfig index 387d488c47..db3c70fe21 100644 --- a/arch/arm/mach-omap2/am33xx/Kconfig +++ b/arch/arm/mach-omap2/am33xx/Kconfig @@ -46,6 +46,7 @@ config TARGET_AM335X_BALTOS config TARGET_AM335X_IGEP003X bool "Support am335x_igep003x" + select BOARD_LATE_INIT select DM select DM_SERIAL select DM_GPIO diff --git a/board/isee/igep003x/board.c b/board/isee/igep003x/board.c index 9abb4824b5..2d0ebbf5ef 100644 --- a/board/isee/igep003x/board.c +++ b/board/isee/igep003x/board.c @@ -1,7 +1,7 @@ /* - * Board functions for IGEP COM AQUILA based boards + * Board functions for IGEP COM AQUILA and SMARC AM335x based boards * - * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/ + * Copyright (C) 2013-2017, ISEE 2007 SL - http://www.isee.biz/ * * SPDX-License-Identifier: GPL-2.0+ */ @@ -26,21 +26,72 @@ #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 -static const struct ddr_data ddr3_data = { +/* 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_cmd_ctrl_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, @@ -51,7 +102,17 @@ static const struct cmd_control ddr3_cmd_ctrl_data = { .cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT, }; -static struct emif_regs ddr3_emif_reg_data = { +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, @@ -61,6 +122,22 @@ static struct emif_regs ddr3_emif_reg_data = { .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}; @@ -80,18 +157,14 @@ void set_mux_conf_regs(void) enable_board_pin_mux(); } -const struct ctrl_ioregs ioregs = { - .cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, - .cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, - .cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, - .dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, - .dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, -}; - void sdram_init(void) { - config_ddr(400, &ioregs, &ddr3_data, - &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); + 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 @@ -107,6 +180,26 @@ int board_init(void) 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) { @@ -180,6 +273,9 @@ int board_eth_init(bd_t *bis) 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); diff --git a/board/isee/igep003x/mux.c b/board/isee/igep003x/mux.c index e86277663d..550e3b3197 100644 --- a/board/isee/igep003x/mux.c +++ b/board/isee/igep003x/mux.c @@ -32,7 +32,7 @@ static struct module_pin_mux mmc0_pin_mux[] = { {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */ {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */ {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */ - {OFFSET(mcasp0_aclkx), (MODE(4) | RXACTIVE)}, /* MMC0_CD */ + {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */ {-1}, }; @@ -69,6 +69,12 @@ static struct module_pin_mux rmii1_pin_mux[] = { {-1}, }; +static struct module_pin_mux gpio_pin_mux[] = { + {OFFSET(gpmc_ad10), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_26 */ + {OFFSET(gpmc_ad11), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_27 */ + {-1}, +}; + void enable_uart0_pin_mux(void) { configure_module_pin_mux(uart0_pin_mux); @@ -85,4 +91,6 @@ void enable_board_pin_mux(void) configure_module_pin_mux(mmc0_pin_mux); /* Ethernet pinmux. */ configure_module_pin_mux(rmii1_pin_mux); + /* GPIO pinmux. */ + configure_module_pin_mux(gpio_pin_mux); } diff --git a/configs/am335x_igep0033_defconfig b/configs/am335x_igep003x_defconfig index fa468f05e7..fa468f05e7 100644 --- a/configs/am335x_igep0033_defconfig +++ b/configs/am335x_igep003x_defconfig diff --git a/include/configs/am335x_igep003x.h b/include/configs/am335x_igep003x.h index 65941579ba..1b189887d2 100644 --- a/include/configs/am335x_igep003x.h +++ b/include/configs/am335x_igep003x.h @@ -34,7 +34,6 @@ DEFAULT_LINUX_BOOT_ENV \ "bootdir=/boot\0" \ "bootfile=zImage\0" \ - "dtbfile=am335x-base0033.dtb\0" \ "console=ttyO0,115200n8\0" \ "mmcdev=0\0" \ "mmcroot=/dev/mmcblk0p2 rw\0" \ @@ -48,7 +47,7 @@ "importbootenv=echo Importing environment from mmc ...; " \ "env import -t ${loadaddr} ${filesize}\0" \ "mmcload=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}; " \ - "load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${dtbfile}\0" \ + "load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ "mmcboot=mmc dev ${mmcdev}; " \ "if mmc rescan; then " \ "echo SD/MMC found on device ${mmcdev};" \ @@ -79,10 +78,20 @@ "nandboot=echo Booting from nand ...; " \ "run nandargs; " \ "run nandload; " \ - "bootz ${loadaddr} - ${fdtaddr} \0" + "bootz ${loadaddr} - ${fdtaddr} \0" \ + "findfdt="\ + "if test ${board_name} = igep0033; then " \ + "setenv fdtfile am335x-igep-base0033.dtb; fi; " \ + "if test ${board_name} = igep0034; then " \ + "setenv fdtfile am335x-igep-base0040.dtb; fi; " \ + "if test ${board_name} = igep0034-lite; then " \ + "setenv fdtfile am335x-igep-base0040-lite.dtb; fi; " \ + "if test ${fdtfile} = ''; then " \ + "echo WARNING: Could not determine device tree to use; fi; \0" #endif #define CONFIG_BOOTCOMMAND \ + "run findfdt;" \ "run mmcboot;" \ "run nandboot;" |