832 lines
20 KiB
C
832 lines
20 KiB
C
/*
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* board.c
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*
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* Board functions for TI AM335X based boards
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*
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* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <errno.h>
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#include <spl.h>
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#include <serial.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/omap.h>
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#include <asm/arch/ddr_defs.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/clk_synthesizer.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/mmc_host_def.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/io.h>
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#include <asm/emif.h>
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#include <asm/gpio.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <cpsw.h>
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#include <power/tps65217.h>
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#include <power/tps65218.h>
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#include <power/tps65910.h>
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#include <environment.h>
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#include <watchdog.h>
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#include <environment.h>
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#include "../common/bdparser.h"
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#include "../common/board_descriptor.h"
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#include "board.h"
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#include "shield.h"
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#include "shield_can.h"
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#include "shield_comio.h"
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#include "fileaccess.h"
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DECLARE_GLOBAL_DATA_PTR;
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/* GPIO that controls power to DDR on EVM-SK */
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#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
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#define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7)
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#define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18)
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#define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4)
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#define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10)
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#define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7)
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#define GPIO_PHY_RESET GPIO_TO_PIN(2, 5)
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#define NETBIRD_GPIO_RST_PHY_N GPIO_TO_PIN(0, 16)
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#define NETBIRD_GPIO_PWR_GSM GPIO_TO_PIN(1, 21)
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#define NETBIRD_GPIO_SUPPLY_GSM GPIO_TO_PIN(0, 31)
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#define NETBIRD_GPIO_RST_GSM GPIO_TO_PIN(1, 25)
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#define NETBIRD_GPIO_WLAN_EN GPIO_TO_PIN(3, 10)
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#define NETBIRD_GPIO_BT_EN GPIO_TO_PIN(3, 4)
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#define NETBIRD_GPIO_EN_GPS_ANT GPIO_TO_PIN(2, 24)
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#define NETBIRD_GPIO_LED_A GPIO_TO_PIN(1, 14)
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#define NETBIRD_GPIO_LED_B GPIO_TO_PIN(1, 15)
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#define NETBIRD_GPIO_RESET_BUTTON GPIO_TO_PIN(0, 2)
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#define NETBIRD_GPIO_USB_PWR_EN GPIO_TO_PIN(1, 27)
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#define NETBIRD_GPIO_USB_PWR_EN_2 GPIO_TO_PIN(2, 4) // On new version this gpio is used
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#define DDR3_CLOCK_FREQUENCY (400)
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#if defined(CONFIG_SPL_BUILD) || \
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(defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_DM_ETH))
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static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
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#endif
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#define BD_EEPROM_ADDR (0x50) /* CPU BD EEPROM (8kByte) is at 50 (A0) */
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#define BD_ADDRESS (0x0000) /* Board descriptor at beginning of EEPROM */
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#define PD_ADDRESS (0x0200) /* Product descriptor */
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#define PARTITION_ADDRESS (0x0600) /* Partition Table */
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static BD_Context bdctx[3]; /* The descriptor context */
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#define SHIELD_COM_IO 0
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#define SHIELD_DUALCAN 1
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static int _bd_init(void)
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{
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if (bd_get_context(&bdctx[0], BD_EEPROM_ADDR, BD_ADDRESS) != 0) {
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printf("%s() no valid bd found\n", __func__);
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return -1;
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}
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if (bd_get_context(&bdctx[1], BD_EEPROM_ADDR, PD_ADDRESS) != 0) {
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printf("%s() no valid pd found (legacy support)\n", __func__);
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}
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if (bd_get_context(&bdctx[2], BD_EEPROM_ADDR, PARTITION_ADDRESS) != 0) {
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printf("%s() no valid partition table found\n", __func__);
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}
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bd_register_context_list(bdctx, ARRAY_SIZE(bdctx));
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return 0;
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}
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/*
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* Read header information from EEPROM into global structure.
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*/
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static inline int __maybe_unused read_eeprom(void)
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{
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return _bd_init();
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}
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struct serial_device *default_serial_console(void)
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{
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if (spl_boot_device() == BOOT_DEVICE_UART) {
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enable_uart0_pin_mux();
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return &eserial1_device;
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}
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else {
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return &eserial2_device;
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}
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}
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#ifndef CONFIG_SKIP_LOWLEVEL_INIT
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static const struct ddr_data ddr3_netbird_data = {
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/* Ratios were optimized by DDR3 training software from TI */
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.datardsratio0 = 0x39,
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.datawdsratio0 = 0x3f,
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.datafwsratio0 = 0x98,
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.datawrsratio0 = 0x7d,
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};
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static const struct cmd_control ddr3_netbird_cmd_ctrl_data = {
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.cmd0csratio = MT41K256M16HA125E_RATIO,
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.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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.cmd1csratio = MT41K256M16HA125E_RATIO,
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.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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.cmd2csratio = MT41K256M16HA125E_RATIO,
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.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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};
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static struct emif_regs ddr3_netbird_emif_reg_data = {
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.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
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.ref_ctrl = 0x61A, /* 32ms > 85°C */
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.sdram_tim1 = 0x0AAAE51B,
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.sdram_tim2 = 0x246B7FDA,
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.sdram_tim3 = 0x50FFE67F,
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.zq_config = MT41K256M16HA125E_ZQ_CFG,
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.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
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};
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#ifdef CONFIG_SPL_OS_BOOT
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int spl_start_uboot(void)
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{
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/* break into full u-boot on 'c' */
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if (serial_tstc() && serial_getc() == 'c')
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return 1;
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#ifdef CONFIG_SPL_ENV_SUPPORT
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env_init();
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env_relocate_spec();
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if (getenv_yesno("boot_os") != 1)
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return 1;
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#endif
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return 0;
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}
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#endif
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#define OSC (V_OSCK/1000000)
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struct dpll_params dpll_ddr_nbhw16= {
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DDR3_CLOCK_FREQUENCY, OSC-1, 1, -1, -1, -1, -1};
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void am33xx_spl_board_init(void)
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{
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/* Get the frequency */
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dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
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/* Set CPU speed to 600 MHZ */
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dpll_mpu_opp100.m = MPUPLL_M_600;
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/* Set CORE Frequencies to OPP100 */
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do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
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/* TODO: Check PMIC settings */
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/* Clear th PFM Flag on DCDC4 */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_DCDC4, 0x00, 0x80)) {
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puts ("tps65218_reg_write failure (DCDC4 clear PFM Flag)\n");
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};
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/* Disable DCDC2 because it is not used and could make noise */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_ENABLE1, 0, 0x02)) {
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puts ("tps65218_reg_write failure (DCDC2 disable)\n");
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};
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/* Set MPU Frequency to what we detected now that voltages are set */
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do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
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if (read_eeprom() < 0)
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puts("Could not get board ID.\n");
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}
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const struct dpll_params *get_dpll_ddr_params(void)
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{
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dpll_ddr_nbhw16.n = (get_osclk() / 1000000) - 1;
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return &dpll_ddr_nbhw16;
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}
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void set_uart_mux_conf(void)
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{
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enable_uart0_disabled_pin_mux();
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enable_uart1_pin_mux();
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}
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void set_mux_conf_regs(void)
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{
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enable_board_pin_mux();
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}
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const struct ctrl_ioregs ioregs_netbird = {
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.cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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};
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void sdram_init(void)
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{
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config_ddr(DDR3_CLOCK_FREQUENCY, &ioregs_netbird,
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&ddr3_netbird_data,
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&ddr3_netbird_cmd_ctrl_data,
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&ddr3_netbird_emif_reg_data, 0);
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}
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#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
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static void request_and_set_gpio(int gpio, char *name, int value)
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{
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int ret;
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ret = gpio_request(gpio, name);
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if (ret < 0) {
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printf("%s: Unable to request %s\n", __func__, name);
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return;
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}
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ret = gpio_direction_output(gpio, 0);
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if (ret < 0) {
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printf("%s: Unable to set %s as output\n", __func__, name);
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goto err_free_gpio;
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}
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gpio_set_value(gpio, value);
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return;
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err_free_gpio:
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gpio_free(gpio);
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}
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#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
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#define REQUEST_AND_CLEAR_GPIO(N) request_and_set_gpio(N, #N, 0);
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int check_reset_button(void)
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{
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int counter = 0;
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int ret;
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ret = gpio_request(NETBIRD_GPIO_RESET_BUTTON, "reset button");
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if (ret < 0) {
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printf("Unable to request reset button gpio\n");
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return -1;
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}
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ret = gpio_direction_input(NETBIRD_GPIO_RESET_BUTTON);
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if (ret < 0) {
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printf("Unable to set reset button as input\n");
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return -1;
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}
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/* Check if reset button is pressed for at least 2 seconds ≃ ~5s */
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do {
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if (gpio_get_value(NETBIRD_GPIO_RESET_BUTTON) != 0) break;
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udelay(100000); /* 100ms */
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counter++;
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if (counter==20) {/* Indicate factory reset threshold */
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gpio_set_value(NETBIRD_GPIO_LED_A, 0);
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gpio_set_value(NETBIRD_GPIO_LED_B, 0);
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udelay(400000); /* 400ms */
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/* let LED blink up once */
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gpio_set_value(NETBIRD_GPIO_LED_A, 1);
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gpio_set_value(NETBIRD_GPIO_LED_B, 1);
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udelay(400000); /* 400ms */
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gpio_set_value(NETBIRD_GPIO_LED_A, 0);
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gpio_set_value(NETBIRD_GPIO_LED_B, 0);
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} else if (counter==120) { /* Indicate recovery boot threshold */
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/* let LED blink up twice */
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gpio_set_value(NETBIRD_GPIO_LED_A, 1);
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gpio_set_value(NETBIRD_GPIO_LED_B, 1);
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udelay(400000); /* 400ms */
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gpio_set_value(NETBIRD_GPIO_LED_A, 0);
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gpio_set_value(NETBIRD_GPIO_LED_B, 0);
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udelay(400000); /* 400ms */
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gpio_set_value(NETBIRD_GPIO_LED_A, 1);
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gpio_set_value(NETBIRD_GPIO_LED_B, 1);
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udelay(400000); /* 400ms */
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gpio_set_value(NETBIRD_GPIO_LED_A, 0);
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gpio_set_value(NETBIRD_GPIO_LED_B, 0);
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}
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} while (counter<120);
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if (counter < 20) return 0; /* Don't do anything for duration < 2s */
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if (counter < 120) /* Do factory reset for duration between ~5s and ~15s */
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{
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char new_bootargs[512];
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char *bootargs = getenv("bootargs");
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if (bootargs==0) bootargs="";
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printf("Do factory reset during boot...\n");
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strncpy(new_bootargs, bootargs, sizeof(new_bootargs));
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strncat(new_bootargs, " factory-reset", sizeof(new_bootargs));
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setenv("bootargs", new_bootargs);
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printf("bootargs = %s\n", new_bootargs);
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return 1;
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} else { /* Boot into recovery for duration > 15s */
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/* set consoledev to external port */
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setenv("consoledev", "ttyS1");
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printf("Booting recovery image...\n");
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/* Set bootcmd to run recovery */
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setenv("bootcmd", "run recovery");
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return 0;
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}
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return 0;
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}
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/* TODO: Rework to use USB Hub */
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static void enable_ext_usb(void)
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{
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_USB_PWR_EN);
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_USB_PWR_EN_2);
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/* Disable LS2 */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_ENABLE2, 0x00, 0x04)) {
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puts ("tps65218_reg_write failure (LS2 enable)\n");
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};
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/* Discharge LS2 to have proper 0V at the output */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_CONFIG3, 0x02, 0x02)) {
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puts ("tps65218_reg_write failure (LS2 discharge)\n");
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};
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mdelay(10);
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gpio_set_value(NETBIRD_GPIO_USB_PWR_EN, 1);
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gpio_set_value(NETBIRD_GPIO_USB_PWR_EN_2, 1);
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mdelay(50);
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/* Disable discharge LS2 */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_CONFIG3, 0x00, 0x02)) {
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puts ("tps65218_reg_write failure (LS2 discharge)\n");
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};
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/* Configure 500mA on LS2 */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_CONFIG2, 0x02, 0x03)) {
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puts ("tps65218_reg_write failure (LS2 enable)\n");
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};
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/* Enable LS2 */
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if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, TPS65218_ENABLE2, 0x04, 0x04)) {
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puts ("tps65218_reg_write failure (LS2 enable)\n");
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};
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}
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/*
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* Basic board specific setup. Pinmux has been handled already.
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*/
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int board_init(void)
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{
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#if defined(CONFIG_HW_WATCHDOG)
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hw_watchdog_init();
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#endif
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
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gpmc_init();
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#endif
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/* Remove power, and make sure reset is set once */
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_SUPPLY_GSM);
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REQUEST_AND_SET_GPIO(NETBIRD_GPIO_RST_GSM);
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_PWR_GSM);
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mdelay(20);
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/* Enable gsm supply */
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gpio_set_value(NETBIRD_GPIO_SUPPLY_GSM, 1);
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mdelay(20);
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/* Take modem out of reset, we have to wait 300ms afterwards */
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gpio_set_value(NETBIRD_GPIO_RST_GSM, 0);
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mdelay(300);
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/* Do power up sequence, this modem has a special power up sequence
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* where we have to pull PWR for > 1s but < 7s (see manual) */
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gpio_set_value(NETBIRD_GPIO_PWR_GSM, 1);
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mdelay(1200);
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gpio_set_value(NETBIRD_GPIO_PWR_GSM, 0);
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_LED_A);
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REQUEST_AND_SET_GPIO(NETBIRD_GPIO_LED_B);
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REQUEST_AND_SET_GPIO(NETBIRD_GPIO_RST_PHY_N);
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_WLAN_EN);
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REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_BT_EN);
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/* There are two funcions on the same mux mode for MMC2_DAT7 we want
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* to use RMII2_CRS_DV so we need to set SMA2 Register to 1
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* See SPRS717J site 49 (10)*/
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#define SMA2_REGISTER (CTRL_BASE + 0x1320)
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writel(0x01, SMA2_REGISTER); /* Select RMII2_CRS_DV instead of MMC2_DAT7 */
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enable_ext_usb();
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printf("OSC: %lu Hz\n", get_osclk());
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return 0;
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}
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/* TODO: Can most likely be removed. */
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/* Enable the ecap2 pwm see siemens/pxm2 */
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static int enable_pwm(void)
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{
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#define PWM_TICKS 0xBEB
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#define PWM_DUTY 0x5F5
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#define AM33XX_ECAP2_BASE 0x48304100
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#define PWMSS2_BASE 0x48304000
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struct pwmss_regs *pwmss = (struct pwmss_regs *)PWMSS2_BASE;
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struct pwmss_ecap_regs *ecap;
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int ticks = PWM_TICKS;
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int duty = PWM_DUTY;
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ecap = (struct pwmss_ecap_regs *)AM33XX_ECAP2_BASE;
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/* enable clock */
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setbits_le32(&pwmss->clkconfig, ECAP_CLK_EN);
|
|
/* TimeStamp Counter register */
|
|
writel(0x0, &ecap->ctrphs);
|
|
|
|
setbits_le16(&ecap->ecctl2,
|
|
(ECTRL2_MDSL_ECAP | ECTRL2_SYNCOSEL_MASK));
|
|
|
|
/* config period */
|
|
writel(ticks - 1, &ecap->cap3);
|
|
writel(ticks - 1, &ecap->cap1);
|
|
/* config duty */
|
|
writel(duty, &ecap->cap2);
|
|
writel(duty, &ecap->cap4);
|
|
/* start */
|
|
setbits_le16(&ecap->ecctl2, ECTRL2_CTRSTP_FREERUN);
|
|
return 0;
|
|
}
|
|
|
|
/* Enable the input clock for ecap2 and then enable the pwm */
|
|
static void enable_wlan_clock(void)
|
|
{
|
|
struct cm_perpll *const cmper = (struct cm_perpll*)CM_PER;
|
|
struct ctrl_dev *const cdev= (struct ctrl_dev*)CTRL_DEVICE_BASE;
|
|
u32 *const clk_domains[] = { 0 };
|
|
|
|
u32 *const clk_modules_nmspecific[] = {
|
|
&cmper->epwmss2clkctrl,
|
|
0
|
|
};
|
|
|
|
do_enable_clocks(clk_domains, clk_modules_nmspecific, 1);
|
|
|
|
/* Enable timebase clock for pwmss2 */
|
|
writel(0x04, &cdev->pwmssctrl);
|
|
|
|
enable_pwm();
|
|
}
|
|
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
|
|
void set_console(void)
|
|
{
|
|
char buf[8];
|
|
char *defaultconsole = getenv("defaultconsole");
|
|
int shield_id = bd_get_shield(0);
|
|
|
|
if (defaultconsole == 0) {
|
|
/* Use the default console */
|
|
setenv("defaultconsole", "ttyS1");
|
|
}
|
|
|
|
/* Don't allow changing to ttyS0 because ttyS0 is not available in the
|
|
* kernel if no comio shield is available */
|
|
if (shield_id != SHIELD_COM_IO) {
|
|
return;
|
|
}
|
|
|
|
/* With comio shield the defaultconsole should be ttyS0 and not ttyS1 */
|
|
setenv("defaultconsole", "ttyS0");
|
|
|
|
/* If consoldev is set take this as productive conosle instead of default console */
|
|
if (read_file("/root/boot/consoledev", buf, 5) != 5) {
|
|
puts("Invalid file consoledev\n");
|
|
return;
|
|
}
|
|
|
|
if (strstr(buf, "tty")==buf) {
|
|
buf[5] = 0;
|
|
setenv("defaultconsole", buf);
|
|
}
|
|
}
|
|
|
|
static void set_devicetree_name(void)
|
|
{
|
|
char devicetreename[64];
|
|
|
|
/* add hardware versions to environment */
|
|
if (bd_get_devicetree(devicetreename, sizeof(devicetreename)) != 0) {
|
|
printf("Devicetree name not found, use legacy name\n");
|
|
strcpy(devicetreename, "am335x-nbhw16-prod2.dtb");
|
|
}
|
|
|
|
setenv("fdt_image", devicetreename);
|
|
}
|
|
|
|
static void get_hw_version(void)
|
|
{
|
|
int hw_ver, hw_rev;
|
|
char hw_versions[16];
|
|
char new_env[256];
|
|
|
|
/* add hardware versions to environment */
|
|
bd_get_hw_version(&hw_ver, &hw_rev);
|
|
printf("HW16: V%d.%d\n", hw_ver, hw_rev);
|
|
snprintf(hw_versions, sizeof(hw_versions), "CP=%d.%d", hw_ver, hw_rev);
|
|
snprintf(new_env, sizeof(new_env), "setenv bootargs $bootargs %s", hw_versions);
|
|
setenv("add_version_bootargs", new_env);
|
|
}
|
|
|
|
static void check_fct(void)
|
|
{
|
|
/* TODO: Documentation ! */
|
|
|
|
// EEPROM at 0x51 means FCT test station
|
|
|
|
/* If probe fails we are sure no eeprom is connected */
|
|
if (i2c_probe(0x51) == 0) {
|
|
printf("Entering fct mode\n");
|
|
setenv ("bootcmd", "");
|
|
}
|
|
}
|
|
|
|
static void set_fdtshieldcmd(const char *fdt_cmd)
|
|
{
|
|
setenv("fdtshieldcmd", fdt_cmd);
|
|
}
|
|
|
|
struct shield_command {
|
|
int shield_id;
|
|
const char *name;
|
|
const char *default_shieldcmd;
|
|
const char *fdtshieldcmd;
|
|
void (*init)(void);
|
|
};
|
|
|
|
static struct shield_command known_shield_commands[] = {
|
|
{
|
|
SHIELD_COM_IO,
|
|
"comio",
|
|
"shield comio mode rs232",
|
|
"fdt get value serial0 /aliases serial0;" \
|
|
"fdt set $serial0 status okay",
|
|
comio_shield_init
|
|
},
|
|
{
|
|
SHIELD_DUALCAN,
|
|
"dualcan",
|
|
"shield dualcan termination off off",
|
|
"fdt get value can0 /aliases d_can0;" \
|
|
"fdt get value can1 /aliases d_can1;" \
|
|
"fdt set $can0 status okay;" \
|
|
"fdt set $can1 status okay;",
|
|
can_shield_init
|
|
},
|
|
};
|
|
|
|
static const struct shield_command* get_shield_command(int shield_id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(known_shield_commands); i++) {
|
|
if (known_shield_commands[i].shield_id == shield_id) {
|
|
return &known_shield_commands[i];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void shield_config(void)
|
|
{
|
|
#define MAX_SHIELD_CMD_LEN 128
|
|
char shieldcmd_linux[MAX_SHIELD_CMD_LEN];
|
|
const char *shieldcmd;
|
|
const struct shield_command *cmd;
|
|
int len;
|
|
|
|
int shield_id = bd_get_shield(0);
|
|
if (shield_id < 0) {
|
|
debug("No shield found in bd\n");
|
|
return;
|
|
}
|
|
|
|
cmd = get_shield_command(shield_id);
|
|
if (cmd == NULL) {
|
|
printf ("Unknown shield id %d\n", shield_id);
|
|
return;
|
|
}
|
|
|
|
printf("Shield: %s\n", cmd->name);
|
|
|
|
cmd->init();
|
|
shieldcmd = cmd->default_shieldcmd;
|
|
|
|
/* If a shield configuration set by linux take it without bd check, we asume that Linux knows
|
|
* what to do. */
|
|
len = read_file("/root/boot/shieldcmd", shieldcmd_linux, MAX_SHIELD_CMD_LEN);
|
|
if (len > 0) {
|
|
debug("Shield command found in file, using it\n");
|
|
shieldcmd = shieldcmd_linux;
|
|
}
|
|
|
|
setenv("shieldcmd", shieldcmd);
|
|
|
|
set_fdtshieldcmd(cmd->fdtshieldcmd);
|
|
}
|
|
|
|
static void shield_init(void)
|
|
{
|
|
shield_config();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BOARD_LATE_INIT
|
|
int board_late_init(void)
|
|
{
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
int boot_partition;
|
|
|
|
if (read_eeprom() < 0)
|
|
puts("Could not get board ID.\n");
|
|
|
|
/* add active root partition to environment */
|
|
boot_partition = bd_get_boot_partition();
|
|
if (boot_partition > 1) {
|
|
boot_partition = 0;
|
|
}
|
|
|
|
/* mmcblk0p1 => root0, mmcblk0p2 => root1 so +1 */
|
|
setenv_ulong("root_part", boot_partition + 1);
|
|
|
|
check_reset_button();
|
|
|
|
get_hw_version();
|
|
|
|
set_devicetree_name();
|
|
|
|
set_console();
|
|
#endif
|
|
|
|
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
|
|
int rc;
|
|
char *name = NULL;
|
|
|
|
set_board_info_env(name);
|
|
#endif
|
|
|
|
enable_wlan_clock();
|
|
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
shield_init();
|
|
|
|
check_fct();
|
|
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifndef CONFIG_DM_ETH
|
|
|
|
#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
|
|
(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
|
|
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,
|
|
},
|
|
{
|
|
.slave_reg_ofs = 0x308,
|
|
.sliver_reg_ofs = 0xdc0,
|
|
.phy_addr = 1,
|
|
},
|
|
};
|
|
|
|
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,
|
|
};
|
|
#endif
|
|
|
|
#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
|
|
defined(CONFIG_SPL_BUILD)) || \
|
|
((defined(CONFIG_DRIVER_TI_CPSW) || \
|
|
defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
|
|
!defined(CONFIG_SPL_BUILD))
|
|
|
|
static void set_mac_address(int index, uchar mac[6])
|
|
{
|
|
/* Then take mac from bd */
|
|
if (is_valid_ethaddr(mac)) {
|
|
eth_setenv_enetaddr_by_index("eth", index, mac);
|
|
}
|
|
else {
|
|
printf("Trying to set invalid MAC address");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function will:
|
|
* Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
|
|
* in the environment
|
|
* Perform fixups to the PHY present on certain boards. We only need this
|
|
* function in:
|
|
* - SPL with either CPSW or USB ethernet support
|
|
* - Full U-Boot, with either CPSW or USB ethernet
|
|
* Build in only these cases to avoid warnings about unused variables
|
|
* when we build an SPL that has neither option but full U-Boot will.
|
|
*/
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
int rv, n = 0;
|
|
uint8_t mac_addr0[6] = {02,00,00,00,00,01};
|
|
__maybe_unused struct ti_am_eeprom *header;
|
|
|
|
#if !defined(CONFIG_SPL_BUILD)
|
|
#ifdef CONFIG_DRIVER_TI_CPSW
|
|
|
|
cpsw_data.mdio_div = 0x3E;
|
|
|
|
bd_get_mac(0, mac_addr0, sizeof(mac_addr0));
|
|
set_mac_address(0, mac_addr0);
|
|
|
|
writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
|
|
cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
|
|
cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
|
|
cpsw_slaves[0].phy_addr = 0;
|
|
cpsw_slaves[1].phy_addr = 1;
|
|
|
|
rv = cpsw_register(&cpsw_data);
|
|
if (rv < 0)
|
|
printf("Error %d registering CPSW switch\n", rv);
|
|
else
|
|
n += rv;
|
|
#endif
|
|
|
|
#endif
|
|
#if defined(CONFIG_USB_ETHER) && \
|
|
(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
|
|
if (is_valid_ethaddr(mac_addr0))
|
|
eth_setenv_enetaddr("usbnet_devaddr", mac_addr0);
|
|
|
|
rv = usb_eth_initialize(bis);
|
|
if (rv < 0)
|
|
printf("Error %d registering USB_ETHER\n", rv);
|
|
else
|
|
n += rv;
|
|
#endif
|
|
return n;
|
|
}
|
|
#endif
|
|
|
|
#endif /* CONFIG_DM_ETH */
|
|
|
|
#ifdef CONFIG_SPL_LOAD_FIT
|
|
int board_fit_config_name_match(const char *name)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|