diff options
Diffstat (limited to 'board/karo/tx25/tx25.c')
-rw-r--r-- | board/karo/tx25/tx25.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/board/karo/tx25/tx25.c b/board/karo/tx25/tx25.c deleted file mode 100644 index 4d1a0ec725..0000000000 --- a/board/karo/tx25/tx25.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * (C) Copyright 2009 DENX Software Engineering - * Author: John Rigby <jrigby@gmail.com> - * - * Based on imx27lite.c: - * Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net> - * Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com> - * And: - * RedBoot tx25_misc.c Copyright (C) 2009 Red Hat - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/iomux-mx25.h> -#include <asm/gpio.h> - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_SPL_BUILD -void board_init_f(ulong bootflag) -{ - /* - * copy ourselves from where we are running to where we were - * linked at. Use ulong pointers as all addresses involved - * are 4-byte-aligned. - */ - ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst; - asm volatile ("ldr %0, =_start" : "=r"(start_ptr)); - asm volatile ("ldr %0, =_end" : "=r"(end_ptr)); - asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr)); - asm volatile ("adr %0, board_init_f" : "=r"(run_ptr)); - for (dst = start_ptr; dst < end_ptr; dst++) - *dst = *(dst+(run_ptr-link_ptr)); - /* - * branch to nand_boot's link-time address. - */ - asm volatile("ldr pc, =nand_boot"); -} -#endif - -#ifdef CONFIG_FEC_MXC -/* - * FIXME: need to revisit this - * The original code enabled PUE and 100-k pull-down without PKE, so the right - * value here is likely: - * 0 for no pull - * or: - * PAD_CTL_PUS_100K_DOWN for 100-k pull-down - */ -#define FEC_OUT_PAD_CTRL 0 - -#define GPIO_FEC_RESET_B IMX_GPIO_NR(4, 7) -#define GPIO_FEC_ENABLE_B IMX_GPIO_NR(4, 9) - -void tx25_fec_init(void) -{ - static const iomux_v3_cfg_t fec_pads[] = { - MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, - MX25_PAD_FEC_RX_DV__FEC_RX_DV, - MX25_PAD_FEC_RDATA0__FEC_RDATA0, - NEW_PAD_CTRL(MX25_PAD_FEC_TDATA0__FEC_TDATA0, FEC_OUT_PAD_CTRL), - NEW_PAD_CTRL(MX25_PAD_FEC_TX_EN__FEC_TX_EN, FEC_OUT_PAD_CTRL), - NEW_PAD_CTRL(MX25_PAD_FEC_MDC__FEC_MDC, FEC_OUT_PAD_CTRL), - MX25_PAD_FEC_MDIO__FEC_MDIO, - MX25_PAD_FEC_RDATA1__FEC_RDATA1, - NEW_PAD_CTRL(MX25_PAD_FEC_TDATA1__FEC_TDATA1, FEC_OUT_PAD_CTRL), - - NEW_PAD_CTRL(MX25_PAD_D13__GPIO_4_7, 0), /* FEC_RESET_B */ - NEW_PAD_CTRL(MX25_PAD_D11__GPIO_4_9, 0), /* FEC_ENABLE_B */ - }; - - static const iomux_v3_cfg_t fec_cfg_pads[] = { - MX25_PAD_FEC_RDATA0__GPIO_3_10, - MX25_PAD_FEC_RDATA1__GPIO_3_11, - MX25_PAD_FEC_RX_DV__GPIO_3_12, - }; - - debug("tx25_fec_init\n"); - imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); - - /* drop PHY power and assert reset (low) */ - gpio_direction_output(GPIO_FEC_RESET_B, 0); - gpio_direction_output(GPIO_FEC_ENABLE_B, 0); - - mdelay(5); - - debug("resetting phy\n"); - - /* turn on PHY power leaving reset asserted */ - gpio_set_value(GPIO_FEC_ENABLE_B, 1); - - mdelay(10); - - /* - * Setup some strapping pins that are latched by the PHY - * as reset goes high. - * - * Set PHY mode to 111 - * mode0 comes from FEC_RDATA0 which is GPIO 3_10 in mux mode 5 - * mode1 comes from FEC_RDATA1 which is GPIO 3_11 in mux mode 5 - * mode2 is tied high so nothing to do - * - * Turn on RMII mode - * RMII mode is selected by FEC_RX_DV which is GPIO 3_12 in mux mode - */ - /* - * set each mux mode to gpio mode - */ - imx_iomux_v3_setup_multiple_pads(fec_cfg_pads, - ARRAY_SIZE(fec_cfg_pads)); - - /* - * set each to 1 and make each an output - */ - gpio_direction_output(IMX_GPIO_NR(3, 10), 1); - gpio_direction_output(IMX_GPIO_NR(3, 11), 1); - gpio_direction_output(IMX_GPIO_NR(3, 12), 1); - - mdelay(22); /* this value came from RedBoot */ - - /* - * deassert PHY reset - */ - gpio_set_value(GPIO_FEC_RESET_B, 1); - - mdelay(5); - - /* - * set FEC pins back - */ - imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); -} -#else -#define tx25_fec_init() -#endif - -#ifdef CONFIG_MXC_UART -/* - * Set up input pins with hysteresis and 100-k pull-ups - */ -#define UART1_IN_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP) -/* - * FIXME: need to revisit this - * The original code enabled PUE and 100-k pull-down without PKE, so the right - * value here is likely: - * 0 for no pull - * or: - * PAD_CTL_PUS_100K_DOWN for 100-k pull-down - */ -#define UART1_OUT_PAD_CTRL 0 - -static void tx25_uart1_init(void) -{ - static const iomux_v3_cfg_t uart1_pads[] = { - NEW_PAD_CTRL(MX25_PAD_UART1_RXD__UART1_RXD, UART1_IN_PAD_CTRL), - NEW_PAD_CTRL(MX25_PAD_UART1_TXD__UART1_TXD, UART1_OUT_PAD_CTRL), - NEW_PAD_CTRL(MX25_PAD_UART1_RTS__UART1_RTS, UART1_OUT_PAD_CTRL), - NEW_PAD_CTRL(MX25_PAD_UART1_CTS__UART1_CTS, UART1_IN_PAD_CTRL), - }; - - imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); -} -#else -#define tx25_uart1_init() -#endif - -int board_init() -{ - tx25_uart1_init(); - - /* board id for linux */ - gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; - return 0; -} - -int board_late_init(void) -{ - tx25_fec_init(); - return 0; -} - -int dram_init(void) -{ - /* dram_init must store complete ramsize in gd->ram_size */ - gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1, - PHYS_SDRAM_1_SIZE); - return 0; -} - -void dram_init_banksize(void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = get_ram_size((void *)PHYS_SDRAM_1, - PHYS_SDRAM_1_SIZE); -#if CONFIG_NR_DRAM_BANKS > 1 - gd->bd->bi_dram[1].start = PHYS_SDRAM_2; - gd->bd->bi_dram[1].size = get_ram_size((void *)PHYS_SDRAM_2, - PHYS_SDRAM_2_SIZE); -#else - -#endif -} - -int checkboard(void) -{ - printf("KARO TX25\n"); - return 0; -} |