upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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206 lines
4.5 KiB
206 lines
4.5 KiB
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2004-2008
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* Texas Instruments, <www.ti.com>
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*
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* Author :
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* Sunil Kumar <sunilsaini05@gmail.com>
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* Shashi Ranjan <shashiranjanmca05@gmail.com>
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*
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* (C) Copyright 2009
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* Frederik Kriewitz <frederik@kriewitz.eu>
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*
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* Derived from Beagle Board and 3430 SDP code by
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* Richard Woodruff <r-woodruff2@ti.com>
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* Syed Mohammed Khasim <khasim@ti.com>
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*
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*/
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#include <common.h>
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#include <dm.h>
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#include <environment.h>
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#include <ns16550.h>
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#include <twl4030.h>
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#include <asm/io.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/mem.h>
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#include <asm/mach-types.h>
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#include "devkit8000.h"
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#include <asm/gpio.h>
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#ifdef CONFIG_DRIVER_DM9000
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#include <net.h>
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#include <netdev.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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static u32 gpmc_net_config[GPMC_MAX_REG] = {
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NET_GPMC_CONFIG1,
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NET_GPMC_CONFIG2,
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NET_GPMC_CONFIG3,
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NET_GPMC_CONFIG4,
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NET_GPMC_CONFIG5,
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NET_GPMC_CONFIG6,
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0
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};
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static const struct ns16550_platdata devkit8000_serial = {
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.base = OMAP34XX_UART3,
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.reg_shift = 2,
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.clock = V_NS16550_CLK,
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.fcr = UART_FCR_DEFVAL,
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};
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U_BOOT_DEVICE(devkit8000_uart) = {
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"ns16550_serial",
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&devkit8000_serial
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};
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/*
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* Routine: board_init
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* Description: Early hardware init.
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*/
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int board_init(void)
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{
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gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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/* board id for Linux */
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gd->bd->bi_arch_number = MACH_TYPE_DEVKIT8000;
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/* boot param addr */
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gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
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return 0;
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}
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/* Configure GPMC registers for DM9000 */
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static void gpmc_dm9000_config(void)
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{
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enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
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CONFIG_DM9000_BASE, GPMC_SIZE_16M);
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}
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/*
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* Routine: misc_init_r
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* Description: Configure board specific parts
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*/
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int misc_init_r(void)
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{
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struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
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#ifdef CONFIG_DRIVER_DM9000
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uchar enetaddr[6];
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u32 die_id_0;
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#endif
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twl4030_power_init();
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#ifdef CONFIG_TWL4030_LED
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twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
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#endif
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#ifdef CONFIG_DRIVER_DM9000
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/* Configure GPMC registers for DM9000 */
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enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
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CONFIG_DM9000_BASE, GPMC_SIZE_16M);
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/* Use OMAP DIE_ID as MAC address */
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if (!eth_env_get_enetaddr("ethaddr", enetaddr)) {
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printf("ethaddr not set, using Die ID\n");
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die_id_0 = readl(&id_base->die_id_0);
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enetaddr[0] = 0x02; /* locally administered */
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enetaddr[1] = readl(&id_base->die_id_1) & 0xff;
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enetaddr[2] = (die_id_0 & 0xff000000) >> 24;
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enetaddr[3] = (die_id_0 & 0x00ff0000) >> 16;
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enetaddr[4] = (die_id_0 & 0x0000ff00) >> 8;
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enetaddr[5] = (die_id_0 & 0x000000ff);
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eth_env_set_enetaddr("ethaddr", enetaddr);
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}
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#endif
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omap_die_id_display();
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return 0;
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}
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/*
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* Routine: set_muxconf_regs
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* Description: Setting up the configuration Mux registers specific to the
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* hardware. Many pins need to be moved from protect to primary
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* mode.
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*/
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void set_muxconf_regs(void)
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{
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MUX_DEVKIT8000();
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}
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#if defined(CONFIG_MMC)
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int board_mmc_init(bd_t *bis)
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{
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return omap_mmc_init(0, 0, 0, -1, -1);
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}
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#endif
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#if defined(CONFIG_MMC)
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void board_mmc_power_init(void)
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{
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twl4030_power_mmc_init(0);
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}
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#endif
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#if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD)
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/*
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* Routine: board_eth_init
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* Description: Setting up the Ethernet hardware.
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*/
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int board_eth_init(bd_t *bis)
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{
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return dm9000_initialize(bis);
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}
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#endif
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#ifdef CONFIG_SPL_OS_BOOT
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/*
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* Do board specific preparation before SPL
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* Linux boot
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*/
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void spl_board_prepare_for_linux(void)
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{
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gpmc_dm9000_config();
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}
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/*
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* devkit8000 specific implementation of spl_start_uboot()
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*
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* RETURN
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* 0 if the button is not pressed
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* 1 if the button is pressed
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*/
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int spl_start_uboot(void)
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{
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int val = 0;
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if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) {
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gpio_direction_input(SPL_OS_BOOT_KEY);
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val = gpio_get_value(SPL_OS_BOOT_KEY);
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gpio_free(SPL_OS_BOOT_KEY);
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}
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return !val;
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}
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#endif
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/*
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* Routine: get_board_mem_timings
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* Description: If we use SPL then there is no x-loader nor config header
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* so we have to setup the DDR timings ourself on the first bank. This
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* provides the timing values back to the function that configures
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* the memory. We have either one or two banks of 128MB DDR.
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*/
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void get_board_mem_timings(struct board_sdrc_timings *timings)
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{
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/* General SDRC config */
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timings->mcfg = MICRON_V_MCFG_165(128 << 20);
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
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/* AC timings */
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timings->ctrla = MICRON_V_ACTIMA_165;
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timings->ctrlb = MICRON_V_ACTIMB_165;
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timings->mr = MICRON_V_MR_165;
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}
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