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Diffstat (limited to 'board/BuR/tseries/board.c')
| -rw-r--r-- | board/BuR/tseries/board.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/board/BuR/tseries/board.c b/board/BuR/tseries/board.c new file mode 100644 index 0000000..f0510e5 --- /dev/null +++ b/board/BuR/tseries/board.c @@ -0,0 +1,147 @@ +/* + * board.c + * + * Board functions for B&R LEIT Board + * + * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at> + * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com + * + * 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/sys_proto.h> +#include <asm/arch/mem.h> +#include <asm/io.h> +#include <asm/emif.h> +#include <asm/gpio.h> +#include <i2c.h> +#include <power/tps65217.h> +#include "../common/bur_common.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* --------------------------------------------------------------------------*/ +/* -- defines for GPIO -- */ +#define ETHLED_ORANGE (96+16) /* GPIO3_16 */ +#define REPSWITCH (0+20) /* GPIO0_20 */ + + +#if defined(CONFIG_SPL_BUILD) +/* TODO: check ram-timing ! */ +static const struct ddr_data ddr3_data = { + .datardsratio0 = MT41K256M16HA125E_RD_DQS, + .datawdsratio0 = MT41K256M16HA125E_WR_DQS, + .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, + .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, +}; + +static const struct cmd_control ddr3_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 struct emif_regs ddr3_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 const struct ctrl_ioregs ddr3_ioregs = { + .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, + .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, +}; + +#ifdef CONFIG_SPL_OS_BOOT +/* + * called from spl_nand.c + * return 0 for loading linux, return 1 for loading u-boot + */ +int spl_start_uboot(void) +{ + if (0 == gpio_get_value(REPSWITCH)) { + blink(5, 125, ETHLED_ORANGE); + mdelay(1000); + printf("SPL: entering u-boot instead kernel image.\n"); + return 1; + } + return 0; +} +#endif /* CONFIG_SPL_OS_BOOT */ + +#define OSC (V_OSCK/1000000) +static const struct dpll_params dpll_ddr3 = { 400, OSC-1, 1, -1, -1, -1, -1}; + +void am33xx_spl_board_init(void) +{ + pmicsetup(1000); +} + +const struct dpll_params *get_dpll_ddr_params(void) +{ + return &dpll_ddr3; +} + +void sdram_init(void) +{ + config_ddr(400, &ddr3_ioregs, + &ddr3_data, + &ddr3_cmd_ctrl_data, + &ddr3_emif_reg_data, 0); +} +#endif /* CONFIG_SPL_BUILD */ + +/* 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) +{ + gpio_direction_output(ETHLED_ORANGE, 0); + + if (0 == gpio_get_value(REPSWITCH)) { + printf("\n\n\n" + "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n" + "!!!!!!! recovery switch activated !!!!!!!\n" + "!!!!!!! running usbupdate !!!!!!!\n" + "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n\n\n"); + setenv("bootcmd", "sleep 2; run netupdate;"); + } + + printf("turning on display power+backlight ... "); + tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1, + 0x09, TPS65217_MASK_ALL_BITS); /* 200 Hz, ON */ + tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2, + 0x62, TPS65217_MASK_ALL_BITS); /* 100% */ + printf("ok.\n"); + + return 0; +} +#endif /* CONFIG_BOARD_LATE_INIT */ |