*/
#include <common.h>
-#include <asm/gpio.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <net.h>
+#include <asm/global_data.h>
#include <asm/io.h>
-#include <dm.h>
+#include <asm/gpio.h>
+#include <button.h>
#include <clk.h>
-#include <spi.h>
-#include <mvebu/comphy.h>
-#include <miiphy.h>
-#include <linux/string.h>
-#include <linux/libfdt.h>
+#include <dm.h>
+#include <env.h>
#include <fdt_support.h>
+#include <init.h>
+#include <led.h>
+#include <linux/delay.h>
+#include <linux/libfdt.h>
+#include <linux/string.h>
+#include <miiphy.h>
+#include <mvebu/comphy.h>
+#include <spi.h>
-#ifdef CONFIG_WDT_ARMADA_37XX
-#include <wdt.h>
-#endif
+#include "mox_sp.h"
#define MAX_MOX_MODULES 10
#define MOX_MODULE_USB3 0x5
#define MOX_MODULE_PASSPCI 0x6
-#define ARMADA_37XX_NB_GPIO_SEL 0xd0013830
-#define ARMADA_37XX_SPI_CTRL 0xd0010600
-#define ARMADA_37XX_SPI_CFG 0xd0010604
-#define ARMADA_37XX_SPI_DOUT 0xd0010608
-#define ARMADA_37XX_SPI_DIN 0xd001060c
-
-#define PCIE_PATH "/soc/pcie@d0070000"
+#define ARMADA_37XX_NB_GPIO_SEL (MVEBU_REGISTER(0x13830))
+#define ARMADA_37XX_SPI_CTRL (MVEBU_REGISTER(0x10600))
+#define ARMADA_37XX_SPI_CFG (MVEBU_REGISTER(0x10604))
+#define ARMADA_37XX_SPI_DOUT (MVEBU_REGISTER(0x10608))
+#define ARMADA_37XX_SPI_DIN (MVEBU_REGISTER(0x1060c))
DECLARE_GLOBAL_DATA_PTR;
int board_fix_fdt(void *blob)
{
u8 topology[MAX_MOX_MODULES];
- int i, size, node;
- bool enable;
+ enum fdt_status status;
+ int i, size, ret;
/*
* SPI driver is not loaded in driver model yet, but we have to find out
* to read SPI by reading/writing SPI registers directly
*/
- writel(0x563fa, ARMADA_37XX_NB_GPIO_SEL);
writel(0x10df, ARMADA_37XX_SPI_CFG);
- writel(0x2005b, ARMADA_37XX_SPI_CTRL);
+ /* put pin from GPIO to SPI mode */
+ clrbits_le32(ARMADA_37XX_NB_GPIO_SEL, BIT(12));
+ /* enable SPI CS1 */
+ setbits_le32(ARMADA_37XX_SPI_CTRL, BIT(17));
while (!(readl(ARMADA_37XX_SPI_CTRL) & 0x2))
udelay(1);
size = i;
- writel(0x5b, ARMADA_37XX_SPI_CTRL);
+ /* disable SPI CS1 */
+ clrbits_le32(ARMADA_37XX_SPI_CTRL, BIT(17));
if (size > 1 && (topology[1] == MOX_MODULE_PCI ||
topology[1] == MOX_MODULE_USB3 ||
topology[1] == MOX_MODULE_PASSPCI))
- enable = true;
+ status = FDT_STATUS_OKAY;
else
- enable = false;
-
- node = fdt_path_offset(blob, PCIE_PATH);
+ status = FDT_STATUS_DISABLED;
- if (node < 0) {
- printf("Cannot find PCIe node in U-Boot's device tree!\n");
+ ret = fdt_set_status_by_compatible(blob, "marvell,armada-3700-pcie",
+ status);
+ if (ret < 0) {
+ printf("Cannot set status for PCIe in U-Boot's device tree: %s!\n",
+ fdt_strerror(ret));
return 0;
}
- if (fdt_setprop_string(blob, node, "status",
- enable ? "okay" : "disabled") < 0) {
- printf("Cannot %s PCIe in U-Boot's device tree!\n",
- enable ? "enable" : "disable");
+ if (a3700_fdt_fix_pcie_regions(blob) < 0) {
+ printf("Cannot fix PCIe regions in U-Boot's device tree!\n");
return 0;
}
}
#endif
-#ifdef CONFIG_WDT_ARMADA_37XX
-static struct udevice *watchdog_dev;
-
-void watchdog_reset(void)
-{
- static ulong next_reset;
- ulong now;
-
- if (!watchdog_dev)
- return;
-
- now = timer_get_us();
-
- /* Do not reset the watchdog too often */
- if (now > next_reset) {
- wdt_reset(watchdog_dev);
- next_reset = now + 100000;
- }
-}
-#endif
-
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
-#ifdef CONFIG_WDT_ARMADA_37XX
- if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
- printf("Cannot find Armada 3720 watchdog!\n");
- } else {
- printf("Enabling Armada 3720 watchdog (3 minutes timeout).\n");
- wdt_start(watchdog_dev, 180000, 0);
- }
-#endif
-
return 0;
}
if (sfpindex >= 0 && swindex >= 0) {
if (sfpindex < swindex)
- serdes_map[0].speed = PHY_SPEED_1_25G;
+ serdes_map[0].speed = COMPHY_SPEED_1_25G;
else
- serdes_map[0].speed = PHY_SPEED_3_125G;
+ serdes_map[0].speed = COMPHY_SPEED_3_125G;
} else if (sfpindex >= 0) {
- serdes_map[0].speed = PHY_SPEED_1_25G;
+ serdes_map[0].speed = COMPHY_SPEED_1_25G;
} else if (swindex >= 0) {
- serdes_map[0].speed = PHY_SPEED_3_125G;
+ serdes_map[0].speed = COMPHY_SPEED_3_125G;
}
return 0;
return 0;
}
-int last_stage_init(void)
+int misc_init_r(void)
{
- int ret, i;
- const u8 *topology;
- int is_sd;
+ u8 mac[2][6];
+ int i, ret;
+
+ ret = mbox_sp_get_board_info(NULL, mac[0], mac[1], NULL, NULL);
+ if (ret < 0) {
+ printf("Cannot read data from OTP!\n");
+ return 0;
+ }
+
+ for (i = 0; i < 2; ++i) {
+ u8 oldmac[6];
+
+ if (is_valid_ethaddr(mac[i]) &&
+ !eth_env_get_enetaddr_by_index("eth", i, oldmac))
+ eth_env_set_enetaddr_by_index("eth", i, mac[i]);
+ }
+
+ return 0;
+}
+
+static void mox_phy_modify(struct phy_device *phydev, int page, int reg,
+ u16 mask, u16 set)
+{
+ int val;
+
+ val = phydev->drv->readext(phydev, MDIO_DEVAD_NONE, page, reg);
+ val &= ~mask;
+ val |= set;
+ phydev->drv->writeext(phydev, MDIO_DEVAD_NONE, page, reg, val);
+}
+
+static void mox_phy_leds_start_blinking(void)
+{
+ struct phy_device *phydev;
struct mii_dev *bus;
- struct gpio_desc reset_gpio = {};
+
+ bus = miiphy_get_dev_by_name("neta@30000");
+ if (!bus) {
+ printf("Cannot get MDIO bus device!\n");
+ return;
+ }
+
+ phydev = phy_find_by_mask(bus, BIT(1), PHY_INTERFACE_MODE_RGMII);
+ if (!phydev) {
+ printf("Cannot get ethernet PHY!\n");
+ return;
+ }
+
+ mox_phy_modify(phydev, 3, 0x12, 0x700, 0x400);
+ mox_phy_modify(phydev, 3, 0x10, 0xff, 0xbb);
+}
+
+static bool read_reset_button(void)
+{
+ struct udevice *button, *led;
+ int i;
+
+ if (device_get_global_by_ofnode(
+ ofnode_first_subnode(ofnode_by_compatible(ofnode_null(),
+ "gpio-keys")),
+ &button)) {
+ printf("Cannot find reset button!\n");
+ return false;
+ }
+
+ if (device_get_global_by_ofnode(
+ ofnode_first_subnode(ofnode_by_compatible(ofnode_null(),
+ "gpio-leds")),
+ &led)) {
+ printf("Cannot find status LED!\n");
+ return false;
+ }
+
+ led_set_state(led, LEDST_ON);
+
+ for (i = 0; i < 21; ++i) {
+ if (button_get_state(button) != BUTTON_ON)
+ return false;
+ if (i < 20)
+ mdelay(50);
+ }
+
+ led_set_state(led, LEDST_OFF);
+
+ return true;
+}
+
+static void handle_reset_button(void)
+{
+ const char * const vars[1] = { "bootcmd_rescue", };
+
+ /*
+ * Ensure that bootcmd_rescue has always stock value, so that running
+ * run bootcmd_rescue
+ * always works correctly.
+ */
+ env_set_default_vars(1, (char * const *)vars, 0);
+
+ if (read_reset_button()) {
+ const char * const vars[2] = {
+ "bootcmd",
+ "distro_bootcmd",
+ };
+
+ /*
+ * Set the above envs to their default values, in case the user
+ * managed to break them.
+ */
+ env_set_default_vars(2, (char * const *)vars, 0);
+
+ /* Ensure bootcmd_rescue is used by distroboot */
+ env_set("boot_targets", "rescue");
+
+ /* start blinking PHY LEDs */
+ mox_phy_leds_start_blinking();
+
+ printf("RESET button was pressed, overwriting boot_targets!\n");
+ } else {
+ /*
+ * In case the user somehow managed to save environment with
+ * boot_targets=rescue, reset boot_targets to default value.
+ * This could happen in subsequent commands if bootcmd_rescue
+ * failed.
+ */
+ if (!strcmp(env_get("boot_targets"), "rescue")) {
+ const char * const vars[1] = {
+ "boot_targets",
+ };
+
+ env_set_default_vars(1, (char * const *)vars, 0);
+ }
+ }
+}
+
+int show_board_info(void)
+{
+ int i, ret, board_version, ram_size, is_sd;
+ const char *pub_key;
+ const u8 *topology;
+ u64 serial_number;
+
+ printf("Model: CZ.NIC Turris Mox Board\n");
+
+ ret = mbox_sp_get_board_info(&serial_number, NULL, NULL, &board_version,
+ &ram_size);
+ if (ret < 0) {
+ printf(" Cannot read board info: %i\n", ret);
+ } else {
+ printf(" Board version: %i\n", board_version);
+ printf(" RAM size: %i MiB\n", ram_size);
+ printf(" Serial Number: %016llX\n", serial_number);
+ }
+
+ pub_key = mox_sp_get_ecdsa_public_key();
+ if (pub_key)
+ printf(" ECDSA Public Key: %s\n", pub_key);
+ else
+ printf(" Cannot read ECDSA Public Key\n");
ret = mox_get_topology(&topology, &module_count, &is_sd);
- if (ret) {
+ if (ret)
printf("Cannot read module topology!\n");
- return 0;
- }
- printf("Found Turris Mox %s version\n", is_sd ? "SD" : "eMMC");
- printf("Module Topology:\n");
+ printf(" SD/eMMC version: %s\n", is_sd ? "SD" : "eMMC");
+
+ if (module_count)
+ printf("Module Topology:\n");
+
for (i = 0; i < module_count; ++i) {
switch (topology[i]) {
case MOX_MODULE_SFP:
}
}
- /* now check if modules are connected in supported mode */
-
+ /* check if modules are connected in supported mode */
for (i = 0; i < module_count; ++i) {
switch (topology[i]) {
case MOX_MODULE_SFP:
}
break;
case MOX_MODULE_PCI:
- if (pci) {
+ if (pci)
printf("Error: Only one Mini-PCIe module is supported!\n");
- } else if (usb) {
+ else if (usb)
printf("Error: Mini-PCIe module cannot come after USB 3.0 module!\n");
- } else if (i && (i != 1 || !passpci)) {
+ else if (i && (i != 1 || !passpci))
printf("Error: Mini-PCIe module should be the first connected module or come right after Passthrough Mini-PCIe module!\n");
- } else {
+ else
++pci;
- }
break;
case MOX_MODULE_TOPAZ:
- if (topaz) {
+ if (topaz)
printf("Error: Only one Topaz module is supported!\n");
- } else if (peridot >= 3) {
+ else if (peridot >= 3)
printf("Error: At most two Peridot modules can come before Topaz module!\n");
- } else {
+ else
++topaz;
- }
break;
case MOX_MODULE_PERIDOT:
if (sfp || topaz) {
}
break;
case MOX_MODULE_USB3:
- if (pci) {
+ if (pci)
printf("Error: USB 3.0 module cannot come after Mini-PCIe module!\n");
- } else if (usb) {
+ else if (usb)
printf("Error: Only one USB 3.0 module is supported!\n");
- } else if (i && (i != 1 || !passpci)) {
+ else if (i && (i != 1 || !passpci))
printf("Error: USB 3.0 module should be the first connected module or come right after Passthrough Mini-PCIe module!\n");
- } else {
+ else
++usb;
- }
break;
case MOX_MODULE_PASSPCI:
- if (passpci) {
+ if (passpci)
printf("Error: Only one Passthrough Mini-PCIe module is supported!\n");
- } else if (i != 0) {
+ else if (i != 0)
printf("Error: Passthrough Mini-PCIe module should be the first connected module!\n");
- } else {
+ else
++passpci;
- }
}
}
- /* now configure modules */
+ if (module_count)
+ printf("\n");
+ return 0;
+}
+
+int last_stage_init(void)
+{
+ struct gpio_desc reset_gpio = {};
+
+ /* configure modules */
if (get_reset_gpio(&reset_gpio) < 0)
- return 0;
+ goto handle_reset_btn;
if (peridot > 0) {
if (configure_peridots(&reset_gpio) < 0) {
mdelay(50);
}
+ /*
+ * check if the addresses are set by reading Scratch & Misc register
+ * 0x70 of Peridot (and potentially Topaz) modules
+ */
if (peridot || topaz) {
- /*
- * now check if the addresses are set by reading Scratch & Misc
- * register 0x70 of Peridot (and potentially Topaz) modules
- */
+ struct mii_dev *bus;
bus = miiphy_get_dev_by_name("neta@30000");
if (!bus) {
printf("Cannot get MDIO bus device!\n");
} else {
+ int i;
+
for (i = 0; i < peridot; ++i)
check_switch_address(bus, 0x10 + i);
}
}
- printf("\n");
+handle_reset_btn:
+ handle_reset_button();
return 0;
}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+
+static bool is_topaz(int id)
+{
+ return topaz && id == peridot + topaz - 1;
+}
+
+static int switch_addr(int id)
+{
+ return is_topaz(id) ? 0x2 : 0x10 + id;
+}
+
+static int setup_switch(void *blob, int id)
+{
+ int res, addr, i, node;
+ char mdio_path[64];
+
+ node = fdt_node_offset_by_compatible(blob, -1, "marvell,orion-mdio");
+ if (node < 0)
+ return node;
+
+ res = fdt_get_path(blob, node, mdio_path, sizeof(mdio_path));
+ if (res < 0)
+ return res;
+
+ addr = switch_addr(id);
+
+ /* first enable the switch by setting status = "okay" */
+ res = fdt_status_okay_by_pathf(blob, "%s/switch%i@%x", mdio_path, id,
+ addr);
+ if (res < 0)
+ return res;
+
+ /*
+ * now if there are more switches or a SFP module coming after,
+ * enable corresponding ports
+ */
+ if (id < peridot + topaz - 1) {
+ res = fdt_status_okay_by_pathf(blob,
+ "%s/switch%i@%x/ports/port@a",
+ mdio_path, id, addr);
+ } else if (id == peridot - 1 && !topaz && sfp) {
+ res = fdt_status_okay_by_pathf(blob,
+ "%s/switch%i@%x/ports/port-sfp@a",
+ mdio_path, id, addr);
+ } else {
+ res = 0;
+ }
+ if (res < 0)
+ return res;
+
+ if (id >= peridot + topaz - 1)
+ return 0;
+
+ /* finally change link property if needed */
+ node = fdt_node_offset_by_pathf(blob, "%s/switch%i@%x/ports/port@a",
+ mdio_path, id, addr);
+ if (node < 0)
+ return node;
+
+ for (i = id + 1; i < peridot + topaz; ++i) {
+ unsigned int phandle;
+
+ phandle = fdt_create_phandle_by_pathf(blob,
+ "%s/switch%i@%x/ports/port@%x",
+ mdio_path, i,
+ switch_addr(i),
+ is_topaz(i) ? 5 : 9);
+ if (!phandle)
+ return -FDT_ERR_NOPHANDLES;
+
+ if (i == id + 1)
+ res = fdt_setprop_u32(blob, node, "link", phandle);
+ else
+ res = fdt_appendprop_u32(blob, node, "link", phandle);
+ if (res < 0)
+ return res;
+ }
+
+ return 0;
+}
+
+static int remove_disabled_nodes(void *blob)
+{
+ while (1) {
+ int res, offset;
+
+ offset = fdt_node_offset_by_prop_value(blob, -1, "status",
+ "disabled", 9);
+ if (offset < 0)
+ break;
+
+ res = fdt_del_node(blob, offset);
+ if (res < 0)
+ return res;
+ }
+
+ return 0;
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ int res;
+
+ /*
+ * If MOX B (PCI), MOX F (USB) or MOX G (Passthrough PCI) modules are
+ * connected, enable the PCIe node.
+ */
+ if (pci || usb || passpci) {
+ res = fdt_status_okay_by_compatible(blob,
+ "marvell,armada-3700-pcie");
+ if (res < 0)
+ return res;
+
+ /* Fix PCIe regions for devices with 4 GB RAM */
+ res = a3700_fdt_fix_pcie_regions(blob);
+ if (res < 0)
+ return res;
+ }
+
+ /*
+ * If MOX C (Topaz switch) and/or MOX E (Peridot switch) are connected,
+ * enable the eth1 node and setup the switches.
+ */
+ if (peridot || topaz) {
+ int i;
+
+ res = fdt_status_okay_by_alias(blob, "ethernet1");
+ if (res < 0)
+ return res;
+
+ for (i = 0; i < peridot + topaz; ++i) {
+ res = setup_switch(blob, i);
+ if (res < 0)
+ return res;
+ }
+ }
+
+ /*
+ * If MOX D (SFP cage module) is connected, enable the SFP node and eth1
+ * node. If there is no Peridot switch between MOX A and MOX D, add link
+ * to the SFP node to eth1 node.
+ * Also enable and configure SFP GPIO controller node.
+ */
+ if (sfp) {
+ int node;
+
+ res = fdt_status_okay_by_compatible(blob, "sff,sfp");
+ if (res < 0)
+ return res;
+
+ res = fdt_status_okay_by_alias(blob, "ethernet1");
+ if (res < 0)
+ return res;
+
+ if (!peridot) {
+ unsigned int phandle;
+
+ phandle = fdt_create_phandle_by_compatible(blob,
+ "sff,sfp");
+ if (!phandle)
+ return -FDT_ERR_NOPHANDLES;
+
+ node = fdt_path_offset(blob, "ethernet1");
+ if (node < 0)
+ return node;
+
+ res = fdt_setprop_u32(blob, node, "sfp", phandle);
+ if (res < 0)
+ return res;
+
+ res = fdt_setprop_string(blob, node, "phy-mode",
+ "sgmii");
+ if (res < 0)
+ return res;
+ }
+
+ res = fdt_status_okay_by_compatible(blob, "cznic,moxtet-gpio");
+ if (res < 0)
+ return res;
+
+ if (sfp_pos) {
+ char newname[16];
+
+ /* moxtet-sfp is on non-zero position, change default */
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "cznic,moxtet-gpio");
+ if (node < 0)
+ return node;
+
+ res = fdt_setprop_u32(blob, node, "reg", sfp_pos);
+ if (res < 0)
+ return res;
+
+ sprintf(newname, "gpio@%x", sfp_pos);
+
+ res = fdt_set_name(blob, node, newname);
+ if (res < 0)
+ return res;
+ }
+ }
+
+ fdt_fixup_ethernet(blob);
+
+ /* Finally remove disabled nodes, as per Rob Herring's request. */
+ remove_disabled_nodes(blob);
+
+ return 0;
+}
+
+#endif