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
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
600 lines
13 KiB
600 lines
13 KiB
/*
|
|
* (C) Copyright 2011
|
|
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
|
|
*
|
|
* Based on:
|
|
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* Based on da830evm.c. Original Copyrights follow:
|
|
*
|
|
* Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
|
|
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <environment.h>
|
|
#include <hwconfig.h>
|
|
#include <i2c.h>
|
|
#include <malloc.h>
|
|
#include <miiphy.h>
|
|
#include <mmc.h>
|
|
#include <net.h>
|
|
#include <netdev.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/da850_lowlevel.h>
|
|
#include <asm/arch/davinci_misc.h>
|
|
#include <asm/arch/emif_defs.h>
|
|
#include <asm/arch/emac_defs.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/pinmux_defs.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/sdmmc_defs.h>
|
|
#include <asm/arch/timer_defs.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
const struct lpsc_resource lpsc[] = {
|
|
{ DAVINCI_LPSC_AEMIF },
|
|
{ DAVINCI_LPSC_SPI1 },
|
|
{ DAVINCI_LPSC_ARM_RAM_ROM },
|
|
{ DAVINCI_LPSC_UART0 },
|
|
{ DAVINCI_LPSC_EMAC },
|
|
{ DAVINCI_LPSC_UART0 },
|
|
{ DAVINCI_LPSC_GPIO },
|
|
{ DAVINCI_LPSC_DDR_EMIF },
|
|
{ DAVINCI_LPSC_UART1 },
|
|
{ DAVINCI_LPSC_UART2 },
|
|
{ DAVINCI_LPSC_MMC_SD1 },
|
|
{ DAVINCI_LPSC_USB20 },
|
|
{ DAVINCI_LPSC_USB11 },
|
|
};
|
|
|
|
const int lpsc_size = ARRAY_SIZE(lpsc);
|
|
|
|
static const struct pinmux_config enbw_pins[] = {
|
|
{ pinmux(0), 8, 0 },
|
|
{ pinmux(0), 8, 1 },
|
|
{ pinmux(0), 8, 2 },
|
|
{ pinmux(0), 8, 3 },
|
|
{ pinmux(0), 8, 4 },
|
|
{ pinmux(0), 8, 5 },
|
|
{ pinmux(1), 4, 0 },
|
|
{ pinmux(1), 8, 1 },
|
|
{ pinmux(1), 8, 2 },
|
|
{ pinmux(1), 8, 3 },
|
|
{ pinmux(1), 8, 4 },
|
|
{ pinmux(1), 8, 5 },
|
|
{ pinmux(1), 8, 6 },
|
|
{ pinmux(1), 4, 7 },
|
|
{ pinmux(2), 8, 0 },
|
|
{ pinmux(5), 1, 0 },
|
|
{ pinmux(5), 1, 3 },
|
|
{ pinmux(5), 1, 7 },
|
|
{ pinmux(6), 1, 0 },
|
|
{ pinmux(6), 1, 1 },
|
|
{ pinmux(6), 8, 2 },
|
|
{ pinmux(6), 8, 3 },
|
|
{ pinmux(6), 1, 4 },
|
|
{ pinmux(6), 8, 5 },
|
|
{ pinmux(6), 1, 7 },
|
|
{ pinmux(7), 8, 2 },
|
|
{ pinmux(7), 1, 3 },
|
|
{ pinmux(7), 1, 6 },
|
|
{ pinmux(7), 1, 7 },
|
|
{ pinmux(13), 8, 2 },
|
|
{ pinmux(13), 8, 3 },
|
|
{ pinmux(13), 8, 4 },
|
|
{ pinmux(13), 8, 5 },
|
|
{ pinmux(13), 8, 6 },
|
|
{ pinmux(13), 8, 7 },
|
|
{ pinmux(14), 8, 0 },
|
|
{ pinmux(14), 8, 1 },
|
|
{ pinmux(16), 8, 1 },
|
|
{ pinmux(16), 8, 2 },
|
|
{ pinmux(16), 8, 3 },
|
|
{ pinmux(16), 8, 4 },
|
|
{ pinmux(16), 8, 5 },
|
|
{ pinmux(16), 8, 6 },
|
|
{ pinmux(16), 8, 7 },
|
|
{ pinmux(17), 1, 0 },
|
|
{ pinmux(17), 1, 1 },
|
|
{ pinmux(17), 1, 2 },
|
|
{ pinmux(17), 8, 3 },
|
|
{ pinmux(17), 8, 4 },
|
|
{ pinmux(17), 8, 5 },
|
|
{ pinmux(17), 8, 6 },
|
|
{ pinmux(17), 8, 7 },
|
|
{ pinmux(18), 8, 0 },
|
|
{ pinmux(18), 8, 1 },
|
|
{ pinmux(18), 2, 2 },
|
|
{ pinmux(18), 2, 3 },
|
|
{ pinmux(18), 2, 4 },
|
|
{ pinmux(18), 8, 6 },
|
|
{ pinmux(18), 8, 7 },
|
|
{ pinmux(19), 8, 0 },
|
|
{ pinmux(19), 2, 1 },
|
|
{ pinmux(19), 2, 2 },
|
|
{ pinmux(19), 2, 3 },
|
|
{ pinmux(19), 2, 4 },
|
|
{ pinmux(19), 8, 5 },
|
|
{ pinmux(19), 8, 6 },
|
|
};
|
|
|
|
const struct pinmux_resource pinmuxes[] = {
|
|
PINMUX_ITEM(emac_pins_mii),
|
|
PINMUX_ITEM(emac_pins_mdio),
|
|
PINMUX_ITEM(i2c0_pins),
|
|
PINMUX_ITEM(emifa_pins_cs2),
|
|
PINMUX_ITEM(emifa_pins_cs3),
|
|
PINMUX_ITEM(emifa_pins_cs4),
|
|
PINMUX_ITEM(emifa_pins_nand),
|
|
PINMUX_ITEM(emifa_pins_nor),
|
|
PINMUX_ITEM(spi1_pins_base),
|
|
PINMUX_ITEM(spi1_pins_scs0),
|
|
PINMUX_ITEM(uart1_pins_txrx),
|
|
PINMUX_ITEM(uart2_pins_txrx),
|
|
PINMUX_ITEM(uart2_pins_rtscts),
|
|
PINMUX_ITEM(enbw_pins),
|
|
};
|
|
|
|
const int pinmuxes_size = ARRAY_SIZE(pinmuxes);
|
|
|
|
struct gpio_config {
|
|
char name[GPIO_NAME_SIZE];
|
|
unsigned char bank;
|
|
unsigned char gpio;
|
|
unsigned char out;
|
|
unsigned char value;
|
|
};
|
|
|
|
static const struct gpio_config enbw_gpio_config[] = {
|
|
{ "RS485 enable", 8, 11, 1, 0 },
|
|
{ "RS485 iso", 8, 10, 1, 0 },
|
|
{ "W2HUT RS485 Rx ena", 8, 9, 1, 0 },
|
|
{ "W2HUT RS485 iso", 8, 8, 1, 0 },
|
|
{ "LAN reset", 7, 15, 1, 1 },
|
|
{ "ena 11V PLC", 7, 14, 1, 0 },
|
|
{ "ena 1.5V PLC", 7, 13, 1, 0 },
|
|
{ "disable VBUS", 7, 12, 1, 1 },
|
|
{ "PLC reset", 6, 13, 1, 1 },
|
|
{ "LCM RS", 6, 12, 1, 0 },
|
|
{ "LCM R/W", 6, 11, 1, 0 },
|
|
{ "PLC pairing", 6, 10, 1, 1 },
|
|
{ "PLC MDIO CLK", 6, 9, 1, 0 },
|
|
{ "HK218", 6, 8, 1, 0 },
|
|
{ "HK218 Rx", 6, 1, 1, 1 },
|
|
{ "TPM reset", 6, 0, 1, 1 },
|
|
{ "LCM E", 2, 2, 1, 1 },
|
|
{ "PV-IF RxD ena", 0, 15, 1, 1 },
|
|
{ "LED1", 1, 15, 1, 1 },
|
|
{ "LED2", 0, 1, 1, 1 },
|
|
{ "LED3", 0, 2, 1, 1 },
|
|
{ "LED4", 0, 3, 1, 1 },
|
|
{ "LED5", 0, 4, 1, 1 },
|
|
{ "LED6", 0, 5, 1, 0 },
|
|
{ "LED7", 0, 6, 1, 0 },
|
|
{ "LED8", 0, 14, 1, 0 },
|
|
{ "USER1", 0, 12, 0, 0 },
|
|
{ "USER2", 0, 13, 0, 0 },
|
|
};
|
|
|
|
#define PHY_POWER 0x0800
|
|
|
|
static void enbw_cmc_switch(int port, int on)
|
|
{
|
|
const char *devname;
|
|
unsigned char phyaddr = 3;
|
|
unsigned char reg = 0;
|
|
unsigned short data;
|
|
|
|
if (port == 1)
|
|
phyaddr = 2;
|
|
|
|
devname = miiphy_get_current_dev();
|
|
if (!devname) {
|
|
printf("Error: no mii device\n");
|
|
return;
|
|
}
|
|
if (miiphy_read(devname, phyaddr, reg, &data) != 0) {
|
|
printf("Error reading from the PHY addr=%02x reg=%02x\n",
|
|
phyaddr, reg);
|
|
return;
|
|
}
|
|
|
|
if (on)
|
|
data &= ~PHY_POWER;
|
|
else
|
|
data |= PHY_POWER;
|
|
|
|
if (miiphy_write(devname, phyaddr, reg, data) != 0) {
|
|
printf("Error writing to the PHY addr=%02x reg=%02x\n",
|
|
phyaddr, reg);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
int i, ret;
|
|
|
|
#ifndef CONFIG_USE_IRQ
|
|
irq_init();
|
|
#endif
|
|
/* address of boot parameters, not used as booting with DTT */
|
|
gd->bd->bi_boot_params = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(enbw_gpio_config); i++) {
|
|
int gpio = enbw_gpio_config[i].bank * 16 +
|
|
enbw_gpio_config[i].gpio;
|
|
|
|
ret = gpio_request(gpio, enbw_gpio_config[i].name);
|
|
if (ret) {
|
|
printf("%s: Could not get %s gpio\n", __func__,
|
|
enbw_gpio_config[i].name);
|
|
return -1;
|
|
}
|
|
|
|
if (enbw_gpio_config[i].out)
|
|
gpio_direction_output(gpio,
|
|
enbw_gpio_config[i].value);
|
|
else
|
|
gpio_direction_input(gpio);
|
|
}
|
|
|
|
/* setup the SUSPSRC for ARM to control emulation suspend */
|
|
clrbits_le32(&davinci_syscfg_regs->suspsrc,
|
|
(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
|
|
DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
|
|
DAVINCI_SYSCFG_SUSPSRC_UART2));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_DRIVER_TI_EMAC
|
|
/*
|
|
* Initializes on-board ethernet controllers.
|
|
*/
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
#ifdef CONFIG_DRIVER_TI_EMAC
|
|
davinci_emac_mii_mode_sel(0);
|
|
#endif /* CONFIG_DRIVER_TI_EMAC */
|
|
|
|
if (!davinci_emac_initialize()) {
|
|
printf("Error: Ethernet init failed!\n");
|
|
return -1;
|
|
}
|
|
|
|
if (hwconfig_subarg_cmp("switch", "lan", "on"))
|
|
/* Switch port lan on */
|
|
enbw_cmc_switch(1, 1);
|
|
else
|
|
enbw_cmc_switch(1, 0);
|
|
|
|
if (hwconfig_subarg_cmp("switch", "pwl", "on"))
|
|
/* Switch port pwl on */
|
|
enbw_cmc_switch(2, 1);
|
|
else
|
|
enbw_cmc_switch(2, 0);
|
|
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_DRIVER_TI_EMAC */
|
|
|
|
#ifdef CONFIG_PREBOOT
|
|
static uchar kbd_magic_prefix[] = "key_magic_";
|
|
static uchar kbd_command_prefix[] = "key_cmd_";
|
|
|
|
struct kbd_data_t {
|
|
char s1;
|
|
};
|
|
|
|
struct kbd_data_t *get_keys(struct kbd_data_t *kbd_data)
|
|
{
|
|
/* read SW1 + SW2 */
|
|
kbd_data->s1 = gpio_get_value(12) +
|
|
(gpio_get_value(13) << 1);
|
|
return kbd_data;
|
|
}
|
|
|
|
static int compare_magic(const struct kbd_data_t *kbd_data, char *str)
|
|
{
|
|
char s1 = str[0];
|
|
|
|
if (s1 >= '0' && s1 <= '9')
|
|
s1 -= '0';
|
|
else if (s1 >= 'a' && s1 <= 'f')
|
|
s1 = s1 - 'a' + 10;
|
|
else if (s1 >= 'A' && s1 <= 'F')
|
|
s1 = s1 - 'A' + 10;
|
|
else
|
|
return -1;
|
|
|
|
if (s1 != kbd_data->s1)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static char *key_match(const struct kbd_data_t *kbd_data)
|
|
{
|
|
char magic[sizeof(kbd_magic_prefix) + 1];
|
|
char *suffix;
|
|
char *kbd_magic_keys;
|
|
|
|
/*
|
|
* The following string defines the characters that can be appended
|
|
* to "key_magic" to form the names of environment variables that
|
|
* hold "magic" key codes, i. e. such key codes that can cause
|
|
* pre-boot actions. If the string is empty (""), then only
|
|
* "key_magic" is checked (old behaviour); the string "125" causes
|
|
* checks for "key_magic1", "key_magic2" and "key_magic5", etc.
|
|
*/
|
|
kbd_magic_keys = getenv("magic_keys");
|
|
if (kbd_magic_keys == NULL)
|
|
kbd_magic_keys = "";
|
|
|
|
/*
|
|
* loop over all magic keys;
|
|
* use '\0' suffix in case of empty string
|
|
*/
|
|
for (suffix = kbd_magic_keys; *suffix ||
|
|
suffix == kbd_magic_keys; ++suffix) {
|
|
sprintf(magic, "%s%c", kbd_magic_prefix, *suffix);
|
|
|
|
if (compare_magic(kbd_data, getenv(magic)) == 0) {
|
|
char cmd_name[sizeof(kbd_command_prefix) + 1];
|
|
char *cmd;
|
|
|
|
sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix);
|
|
cmd = getenv(cmd_name);
|
|
|
|
return cmd;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
#endif /* CONFIG_PREBOOT */
|
|
|
|
int misc_init_r(void)
|
|
{
|
|
char *s, buf[32];
|
|
#ifdef CONFIG_PREBOOT
|
|
struct kbd_data_t kbd_data;
|
|
/* Decode keys */
|
|
char *str = strdup(key_match(get_keys(&kbd_data)));
|
|
/* Set or delete definition */
|
|
setenv("preboot", str);
|
|
free(str);
|
|
#endif /* CONFIG_PREBOOT */
|
|
|
|
/* count all restarts, and save this in an environment var */
|
|
s = getenv("restartcount");
|
|
|
|
if (s)
|
|
sprintf(buf, "%ld", simple_strtoul(s, NULL, 10) + 1);
|
|
else
|
|
strcpy(buf, "1");
|
|
|
|
setenv("restartcount", buf);
|
|
saveenv();
|
|
|
|
#ifdef CONFIG_HW_WATCHDOG
|
|
davinci_hw_watchdog_enable();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct cmc_led {
|
|
char name[20];
|
|
unsigned char bank;
|
|
unsigned char gpio;
|
|
};
|
|
|
|
struct cmc_led led_table[] = {
|
|
{"led1", 1, 15},
|
|
{"led2", 0, 1},
|
|
{"led3", 0, 2},
|
|
{"led4", 0, 3},
|
|
{"led5", 0, 4},
|
|
{"led6", 0, 5},
|
|
{"led7", 0, 6},
|
|
{"led8", 0, 14},
|
|
};
|
|
|
|
static int cmc_get_led_state(struct cmc_led *led)
|
|
{
|
|
int value;
|
|
int gpio = led->bank * 16 + led->gpio;
|
|
|
|
value = gpio_get_value(gpio);
|
|
|
|
return value;
|
|
}
|
|
|
|
static int cmc_set_led_state(struct cmc_led *led, int state)
|
|
{
|
|
int gpio = led->bank * 16 + led->gpio;
|
|
|
|
gpio_set_value(gpio, state);
|
|
return 0;
|
|
}
|
|
|
|
static int do_led(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
|
|
{
|
|
struct cmc_led *led;
|
|
int found = 0;
|
|
int i = 0;
|
|
int only_print = 0;
|
|
int len = ARRAY_SIZE(led_table);
|
|
|
|
if (argc < 2)
|
|
return cmd_usage(cmdtp);
|
|
|
|
if (argc < 3)
|
|
only_print = 1;
|
|
|
|
led = led_table;
|
|
while ((!found) && (i < len)) {
|
|
if (strcmp(argv[1], led->name) == 0) {
|
|
found = 1;
|
|
} else {
|
|
led++;
|
|
i++;
|
|
}
|
|
}
|
|
if (!found)
|
|
return cmd_usage(cmdtp);
|
|
|
|
if (only_print) {
|
|
if (cmc_get_led_state(led))
|
|
printf("on\n");
|
|
else
|
|
printf("off\n");
|
|
|
|
return 0;
|
|
}
|
|
if (strcmp(argv[2], "on") == 0)
|
|
cmc_set_led_state(led, 1);
|
|
else
|
|
cmc_set_led_state(led, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(led, 3, 1, do_led,
|
|
"switch on/off board led",
|
|
"[name] [on/off]"
|
|
);
|
|
|
|
#ifdef CONFIG_HW_WATCHDOG
|
|
void hw_watchdog_reset(void)
|
|
{
|
|
davinci_hw_watchdog_reset();
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_POST)
|
|
void arch_memory_failure_handle(void)
|
|
{
|
|
struct davinci_gpio *gpio = davinci_gpio_bank01;
|
|
int state = 1;
|
|
|
|
/*
|
|
* if memor< failure blink with the LED 1,2 and 3
|
|
* as we running from flash, we cannot use the gpio
|
|
* api here, so access the gpio pin direct through
|
|
* the gpio register.
|
|
*/
|
|
while (1) {
|
|
if (state) {
|
|
clrbits_le32(&gpio->out_data, 0x80000006);
|
|
state = 0;
|
|
} else {
|
|
setbits_le32(&gpio->out_data, 0x80000006);
|
|
state = 1;
|
|
}
|
|
udelay(500);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_BOOTCOUNT_LIMIT)
|
|
void bootcount_store(ulong a)
|
|
{
|
|
struct davinci_rtc *reg =
|
|
(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
|
|
|
|
/*
|
|
* write RTC kick register to enable write
|
|
* for RTC Scratch registers. Scratch0 and 1 are
|
|
* used for bootcount values.
|
|
*/
|
|
writel(RTC_KICK0R_WE, ®->kick0r);
|
|
writel(RTC_KICK1R_WE, ®->kick1r);
|
|
out_be32(®->scratch0, a);
|
|
out_be32(®->scratch1, BOOTCOUNT_MAGIC);
|
|
}
|
|
|
|
ulong bootcount_load(void)
|
|
{
|
|
struct davinci_rtc *reg =
|
|
(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
|
|
|
|
if (in_be32(®->scratch1) != BOOTCOUNT_MAGIC)
|
|
return 0;
|
|
else
|
|
return in_be32(®->scratch0);
|
|
}
|
|
#endif
|
|
|
|
void board_gpio_init(void)
|
|
{
|
|
struct davinci_gpio *gpio = davinci_gpio_bank01;
|
|
|
|
/*
|
|
* set LED (gpio Interface not usable here)
|
|
* set LED pins to output and state 0
|
|
*/
|
|
clrbits_le32(&gpio->dir, 0x8000407e);
|
|
clrbits_le32(&gpio->out_data, 0x8000407e);
|
|
/* set LED 1 - 5 to state on */
|
|
setbits_le32(&gpio->out_data, 0x8000001e);
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
cmc_set_led_state(&led_table[4], 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void show_boot_progress(int val)
|
|
{
|
|
switch (val) {
|
|
case 1:
|
|
cmc_set_led_state(&led_table[4], 1);
|
|
break;
|
|
case 4:
|
|
cmc_set_led_state(&led_table[4], 0);
|
|
break;
|
|
case 15:
|
|
cmc_set_led_state(&led_table[4], 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_DAVINCI_MMC
|
|
static struct davinci_mmc mmc_sd1 = {
|
|
.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
|
|
.input_clk = 228000000,
|
|
.host_caps = MMC_MODE_4BIT,
|
|
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.version = MMC_CTLR_VERSION_2,
|
|
};
|
|
|
|
int board_mmc_init(bd_t *bis)
|
|
{
|
|
mmc_sd1.input_clk = clk_get(DAVINCI_MMC_CLKID);
|
|
/* Add slot-0 to mmc subsystem */
|
|
return davinci_mmc_init(bis, &mmc_sd1);
|
|
}
|
|
#endif
|
|
|