#include <dm/uclass.h>
#include <fdt_support.h>
#include <time.h>
-
-#ifdef CONFIG_ATSHA204A
# include <atsha204a-i2c.h>
-#endif
-
-#ifdef CONFIG_WDT_ORION
-# include <wdt.h>
-#endif
#include "../drivers/ddr/marvell/a38x/ddr3_init.h"
#include <../serdes/a38x/high_speed_env_spec.h>
DECLARE_GLOBAL_DATA_PTR;
-#define OMNIA_I2C_EEPROM_DM_NAME "i2c@11000->i2cmux@70->i2c@0"
-#define OMNIA_I2C_EEPROM 0x54
-#define OMNIA_I2C_EEPROM_CONFIG_ADDR 0x0
-#define OMNIA_I2C_EEPROM_ADDRLEN 2
+#define OMNIA_I2C_BUS_NAME "i2c@11000->i2cmux@70->i2c@0"
+
+#define OMNIA_I2C_MCU_CHIP_ADDR 0x2a
+#define OMNIA_I2C_MCU_CHIP_LEN 1
+
+#define OMNIA_I2C_EEPROM_CHIP_ADDR 0x54
+#define OMNIA_I2C_EEPROM_CHIP_LEN 2
#define OMNIA_I2C_EEPROM_MAGIC 0x0341a034
-#define OMNIA_I2C_MCU_DM_NAME "i2c@11000->i2cmux@70->i2c@0"
-#define OMNIA_I2C_MCU_ADDR_STATUS 0x1
-#define OMNIA_I2C_MCU_SATA 0x20
-#define OMNIA_I2C_MCU_CARDDET 0x10
-#define OMNIA_I2C_MCU 0x2a
-#define OMNIA_I2C_MCU_WDT_ADDR 0x0b
+enum mcu_commands {
+ CMD_GET_STATUS_WORD = 0x01,
+ CMD_GET_RESET = 0x09,
+ CMD_WATCHDOG_STATE = 0x0b,
+};
+
+enum status_word_bits {
+ CARD_DET_STSBIT = 0x0010,
+ MSATA_IND_STSBIT = 0x0020,
+};
#define OMNIA_ATSHA204_OTP_VERSION 0
#define OMNIA_ATSHA204_OTP_SERIAL 1
#define OMNIA_ATSHA204_OTP_MAC0 3
#define OMNIA_ATSHA204_OTP_MAC1 4
-#define MVTWSI_ARMADA_DEBUG_REG 0x8c
-
/*
* Those values and defines are taken from the Marvell U-Boot version
* "u-boot-2013.01-2014_T3.0"
{SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}
};
-static bool omnia_detect_sata(void)
+static struct udevice *omnia_get_i2c_chip(const char *name, uint addr,
+ uint offset_len)
{
struct udevice *bus, *dev;
- int ret, retry = 3;
- u16 mode;
-
- puts("SERDES0 card detect: ");
+ int ret;
- if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_MCU_DM_NAME, &bus)) {
- puts("Cannot find MCU bus!\n");
- return false;
+ ret = uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_BUS_NAME, &bus);
+ if (ret) {
+ printf("Cannot get I2C bus %s: uclass_get_device_by_name failed: %i\n",
+ OMNIA_I2C_BUS_NAME, ret);
+ return NULL;
}
- ret = i2c_get_chip(bus, OMNIA_I2C_MCU, 1, &dev);
+ ret = i2c_get_chip(bus, addr, offset_len, &dev);
if (ret) {
- puts("Cannot get MCU chip!\n");
- return false;
+ printf("Cannot get %s I2C chip: i2c_get_chip failed: %i\n",
+ name, ret);
+ return NULL;
}
- for (; retry > 0; --retry) {
- ret = dm_i2c_read(dev, OMNIA_I2C_MCU_ADDR_STATUS, (uchar *) &mode, 2);
- if (!ret)
- break;
- }
+ return dev;
+}
+
+static int omnia_mcu_read(u8 cmd, void *buf, int len)
+{
+ struct udevice *chip;
+
+ chip = omnia_get_i2c_chip("MCU", OMNIA_I2C_MCU_CHIP_ADDR,
+ OMNIA_I2C_MCU_CHIP_LEN);
+ if (!chip)
+ return -ENODEV;
+
+ return dm_i2c_read(chip, cmd, buf, len);
+}
- if (!retry) {
- puts("I2C read failed! Default PEX\n");
+#ifndef CONFIG_SPL_BUILD
+static int omnia_mcu_write(u8 cmd, const void *buf, int len)
+{
+ struct udevice *chip;
+
+ chip = omnia_get_i2c_chip("MCU", OMNIA_I2C_MCU_CHIP_ADDR,
+ OMNIA_I2C_MCU_CHIP_LEN);
+ if (!chip)
+ return -ENODEV;
+
+ return dm_i2c_write(chip, cmd, buf, len);
+}
+
+static bool disable_mcu_watchdog(void)
+{
+ int ret;
+
+ puts("Disabling MCU watchdog... ");
+
+ ret = omnia_mcu_write(CMD_WATCHDOG_STATE, "\x00", 1);
+ if (ret) {
+ printf("omnia_mcu_write failed: %i\n", ret);
return false;
}
- if (!(mode & OMNIA_I2C_MCU_CARDDET)) {
- puts("NONE\n");
+ puts("disabled\n");
+
+ return true;
+}
+#endif
+
+static bool omnia_detect_sata(void)
+{
+ int ret;
+ u16 stsword;
+
+ puts("MiniPCIe/mSATA card detection... ");
+
+ ret = omnia_mcu_read(CMD_GET_STATUS_WORD, &stsword, sizeof(stsword));
+ if (ret) {
+ printf("omnia_mcu_read failed: %i, defaulting to MiniPCIe card\n",
+ ret);
return false;
}
- if (mode & OMNIA_I2C_MCU_SATA) {
- puts("SATA\n");
- return true;
- } else {
- puts("PEX\n");
+ if (!(stsword & CARD_DET_STSBIT)) {
+ puts("none\n");
return false;
}
+
+ if (stsword & MSATA_IND_STSBIT)
+ puts("mSATA\n");
+ else
+ puts("MiniPCIe\n");
+
+ return stsword & MSATA_IND_STSBIT ? true : false;
}
int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
static bool omnia_read_eeprom(struct omnia_eeprom *oep)
{
- struct udevice *bus, *dev;
- int ret, crc, retry = 3;
+ struct udevice *chip;
+ u32 crc;
+ int ret;
+
+ chip = omnia_get_i2c_chip("EEPROM", OMNIA_I2C_EEPROM_CHIP_ADDR,
+ OMNIA_I2C_EEPROM_CHIP_LEN);
- if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_EEPROM_DM_NAME, &bus)) {
- puts("Cannot find EEPROM bus\n");
+ if (!chip)
return false;
- }
- ret = i2c_get_chip(bus, OMNIA_I2C_EEPROM, OMNIA_I2C_EEPROM_ADDRLEN, &dev);
+ ret = dm_i2c_read(chip, 0, (void *)oep, sizeof(*oep));
if (ret) {
- puts("Cannot get EEPROM chip\n");
+ printf("dm_i2c_read failed: %i, cannot read EEPROM\n", ret);
return false;
}
- for (; retry > 0; --retry) {
- ret = dm_i2c_read(dev, OMNIA_I2C_EEPROM_CONFIG_ADDR, (uchar *) oep, sizeof(struct omnia_eeprom));
- if (ret)
- continue;
-
- if (oep->magic != OMNIA_I2C_EEPROM_MAGIC) {
- puts("I2C EEPROM missing magic number!\n");
- continue;
- }
-
- crc = crc32(0, (unsigned char *) oep,
- sizeof(struct omnia_eeprom) - 4);
- if (crc == oep->crc) {
- break;
- } else {
- printf("CRC of EEPROM memory config failed! "
- "calc=0x%04x saved=0x%04x\n", crc, oep->crc);
- }
+ if (oep->magic != OMNIA_I2C_EEPROM_MAGIC) {
+ printf("bad EEPROM magic number (%08x, should be %08x)\n",
+ oep->magic, OMNIA_I2C_EEPROM_MAGIC);
+ return false;
}
- if (!retry) {
- puts("I2C EEPROM read failed!\n");
+ crc = crc32(0, (void *)oep, sizeof(*oep) - 4);
+ if (crc != oep->crc) {
+ printf("bad EEPROM CRC (stored %08x, computed %08x)\n",
+ oep->crc, crc);
return false;
}
return true;
}
+static int omnia_get_ram_size_gb(void)
+{
+ static int ram_size;
+ struct omnia_eeprom oep;
+
+ if (!ram_size) {
+ /* Get the board config from EEPROM */
+ if (omnia_read_eeprom(&oep)) {
+ debug("Memory config in EEPROM: 0x%02x\n", oep.ramsize);
+
+ if (oep.ramsize == 0x2)
+ ram_size = 2;
+ else
+ ram_size = 1;
+ } else {
+ /* Hardcoded fallback */
+ puts("Memory config from EEPROM read failed!\n");
+ puts("Falling back to default 1 GiB!\n");
+ ram_size = 1;
+ }
+ }
+
+ return ram_size;
+}
+
/*
* Define the DDR layout / topology here in the board file. This will
* be used by the DDR3 init code in the SPL U-Boot version to configure
struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
{
- static int mem = 0;
- struct omnia_eeprom oep;
-
- /* Get the board config from EEPROM */
- if (mem == 0) {
- if(!omnia_read_eeprom(&oep))
- goto out;
-
- printf("Memory config in EEPROM: 0x%02x\n", oep.ramsize);
-
- if (oep.ramsize == 0x2)
- mem = 2;
- else
- mem = 1;
- }
-
-out:
- /* Hardcoded fallback */
- if (mem == 0) {
- puts("WARNING: Memory config from EEPROM read failed.\n");
- puts("Falling back to default 1GiB map.\n");
- mem = 1;
- }
-
- /* Return the board topology as defined in the board code */
- if (mem == 1)
- return &board_topology_map_1g;
- if (mem == 2)
+ if (omnia_get_ram_size_gb() == 2)
return &board_topology_map_2g;
-
- return &board_topology_map_1g;
+ else
+ return &board_topology_map_1g;
}
#ifndef CONFIG_SPL_BUILD
printf("Regdomain set to %s\n", rd);
return env_set("regdomain", rd);
}
+
+/*
+ * default factory reset bootcommand on Omnia first sets all the front LEDs
+ * to green and then tries to load the rescue image from SPI flash memory and
+ * boot it
+ */
+#define OMNIA_FACTORY_RESET_BOOTCMD \
+ "i2c dev 2; " \
+ "i2c mw 0x2a.1 0x3 0x1c 1; " \
+ "i2c mw 0x2a.1 0x4 0x1c 1; " \
+ "mw.l 0x01000000 0x00ff000c; " \
+ "i2c write 0x01000000 0x2a.1 0x5 4 -s; " \
+ "setenv bootargs \"$bootargs omniarescue=$omnia_reset\"; " \
+ "sf probe; " \
+ "sf read 0x1000000 0x100000 0x700000; " \
+ "bootm 0x1000000; " \
+ "bootz 0x1000000"
+
+static void handle_reset_button(void)
+{
+ int ret;
+ u8 reset_status;
+
+ ret = omnia_mcu_read(CMD_GET_RESET, &reset_status, 1);
+ if (ret) {
+ printf("omnia_mcu_read failed: %i, reset status unknown!\n",
+ ret);
+ return;
+ }
+
+ env_set_ulong("omnia_reset", reset_status);
+
+ if (reset_status) {
+ printf("RESET button was pressed, overwriting bootcmd!\n");
+ env_set("bootcmd", OMNIA_FACTORY_RESET_BOOTCMD);
+ }
+}
#endif
int board_early_init_f(void)
{
- u32 i2c_debug_reg;
-
/* Configure MPP */
writel(0x11111111, MVEBU_MPP_BASE + 0x00);
writel(0x11111111, MVEBU_MPP_BASE + 0x04);
writel(OMNIA_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
writel(OMNIA_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
- /*
- * Disable I2C debug mode blocking 0x64 I2C address.
- * Note: that would be redundant once Turris Omnia migrates to DM_I2C,
- * because the mvtwsi driver includes equivalent code.
- */
- i2c_debug_reg = readl(MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);
- i2c_debug_reg &= ~(1<<18);
- writel(i2c_debug_reg, MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);
-
return 0;
}
-#ifndef CONFIG_SPL_BUILD
-static bool disable_mcu_watchdog(void)
-{
- struct udevice *bus, *dev;
- int ret, retry = 3;
- uchar buf[1] = {0x0};
-
- if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_MCU_DM_NAME, &bus)) {
- puts("Cannot find MCU bus! Can not disable MCU WDT.\n");
- return false;
- }
-
- ret = i2c_get_chip(bus, OMNIA_I2C_MCU, 1, &dev);
- if (ret) {
- puts("Cannot get MCU chip! Can not disable MCU WDT.\n");
- return false;
- }
-
- for (; retry > 0; --retry)
- if (!dm_i2c_write(dev, OMNIA_I2C_MCU_WDT_ADDR, (uchar *) buf, 1))
- break;
-
- if (retry <= 0) {
- puts("I2C MCU watchdog failed to disable!\n");
- return false;
- }
-
- return true;
-}
-#endif
-
int board_init(void)
{
- /* adress of boot parameters */
+ /* address of boot parameters */
gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
#ifndef CONFIG_SPL_BUILD
- if (disable_mcu_watchdog())
- puts("Disabled MCU startup watchdog.\n");
-
- set_regdomain();
+ disable_mcu_watchdog();
#endif
return 0;
{
#ifndef CONFIG_SPL_BUILD
set_regdomain();
+ handle_reset_button();
#endif
return 0;
}
-#ifdef CONFIG_ATSHA204A
static struct udevice *get_atsha204a_dev(void)
{
- static struct udevice *dev = NULL;
+ static struct udevice *dev;
- if (dev != NULL)
+ if (dev)
return dev;
if (uclass_get_device_by_name(UCLASS_MISC, "atsha204a@64", &dev)) {
return dev;
}
-#endif
int checkboard(void)
{
u32 version_num, serial_num;
int err = 1;
-#ifdef CONFIG_ATSHA204A
struct udevice *dev = get_atsha204a_dev();
if (dev) {
err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
OMNIA_ATSHA204_OTP_VERSION,
- (u8 *) &version_num);
+ (u8 *)&version_num);
if (err)
goto out;
err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
OMNIA_ATSHA204_OTP_SERIAL,
- (u8 *) &serial_num);
+ (u8 *)&serial_num);
if (err)
goto out;
}
out:
-#endif
-
+ printf("Turris Omnia:\n");
+ printf(" RAM size: %i MiB\n", omnia_get_ram_size_gb() * 1024);
if (err)
- printf("Board: Turris Omnia (ver N/A). SN: N/A\n");
+ printf(" Serial Number: unknown\n");
else
- printf("Board: Turris Omnia SNL %08X%08X\n",
- be32_to_cpu(version_num), be32_to_cpu(serial_num));
+ printf(" Serial Number: %08X%08X\n", be32_to_cpu(version_num),
+ be32_to_cpu(serial_num));
return 0;
}
int misc_init_r(void)
{
-#ifdef CONFIG_ATSHA204A
int err;
struct udevice *dev = get_atsha204a_dev();
u8 mac0[4], mac1[4], mac[6];
eth_env_set_enetaddr("eth2addr", mac);
out:
-#endif
-
return 0;
}
projects / oweals / u-boot.git / commitdiff