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Diffstat (limited to 'board/CZ.NIC/turris_mox/turris_mox.c')
-rw-r--r--board/CZ.NIC/turris_mox/turris_mox.c462
1 files changed, 418 insertions, 44 deletions
diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c
index c4622a49c2..65d50a92dd 100644
--- a/board/CZ.NIC/turris_mox/turris_mox.c
+++ b/board/CZ.NIC/turris_mox/turris_mox.c
@@ -4,18 +4,24 @@
*/
#include <common.h>
+#include <asm/gpio.h>
#include <asm/io.h>
#include <dm.h>
#include <clk.h>
#include <spi.h>
+#include <mvebu/comphy.h>
+#include <miiphy.h>
#include <linux/string.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
+#include <environment.h>
#ifdef CONFIG_WDT_ARMADA_37XX
#include <wdt.h>
#endif
+#include "mox_sp.h"
+
#define MAX_MOX_MODULES 10
#define MOX_MODULE_SFP 0x1
@@ -35,6 +41,22 @@
DECLARE_GLOBAL_DATA_PTR;
+int dram_init(void)
+{
+ gd->ram_base = 0;
+ gd->ram_size = (phys_size_t)get_ram_size(0, 0x40000000);
+
+ return 0;
+}
+
+int dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = (phys_addr_t)0;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+
+ return 0;
+}
+
#if defined(CONFIG_OF_BOARD_FIXUP)
int board_fix_fdt(void *blob)
{
@@ -135,17 +157,15 @@ int board_init(void)
return 0;
}
-int last_stage_init(void)
+static int mox_do_spi(u8 *in, u8 *out, size_t size)
{
struct spi_slave *slave;
struct udevice *dev;
- u8 din[10], dout[10];
- int ret, i;
- size_t len = 0;
- char module_topology[128];
+ int ret;
- ret = spi_get_bus_and_cs(0, 1, 20000000, SPI_CPHA, "spi_generic_drv",
- "mox-modules@1", &dev, &slave);
+ ret = spi_get_bus_and_cs(0, 1, 1000000, SPI_CPHA | SPI_CPOL,
+ "spi_generic_drv", "moxtet@1", &dev,
+ &slave);
if (ret)
goto fail;
@@ -153,57 +173,411 @@ int last_stage_init(void)
if (ret)
goto fail_free;
- memset(din, 0, 10);
- memset(dout, 0, 10);
+ ret = spi_xfer(slave, size * 8, out, in, SPI_XFER_ONCE);
+
+ spi_release_bus(slave);
+fail_free:
+ spi_free_slave(slave);
+fail:
+ return ret;
+}
+
+static int mox_get_topology(const u8 **ptopology, int *psize, int *pis_sd)
+{
+ static int is_sd;
+ static u8 topology[MAX_MOX_MODULES - 1];
+ static int size;
+ u8 din[MAX_MOX_MODULES], dout[MAX_MOX_MODULES];
+ int ret, i;
+
+ if (size) {
+ if (ptopology)
+ *ptopology = topology;
+ if (psize)
+ *psize = size;
+ if (pis_sd)
+ *pis_sd = is_sd;
+ return 0;
+ }
+
+ memset(din, 0, MAX_MOX_MODULES);
+ memset(dout, 0, MAX_MOX_MODULES);
+
+ ret = mox_do_spi(din, dout, MAX_MOX_MODULES);
+ if (ret)
+ return ret;
+
+ if (din[0] == 0x10)
+ is_sd = 1;
+ else if (din[0] == 0x00)
+ is_sd = 0;
+ else
+ return -ENODEV;
+
+ for (i = 1; i < MAX_MOX_MODULES && din[i] != 0xff; ++i)
+ topology[i - 1] = din[i] & 0xf;
+ size = i - 1;
+
+ if (ptopology)
+ *ptopology = topology;
+ if (psize)
+ *psize = size;
+ if (pis_sd)
+ *pis_sd = is_sd;
+
+ return 0;
+}
+
+int comphy_update_map(struct comphy_map *serdes_map, int count)
+{
+ int ret, i, size, sfpindex = -1, swindex = -1;
+ const u8 *topology;
- ret = spi_xfer(slave, 80, dout, din, SPI_XFER_ONCE);
+ ret = mox_get_topology(&topology, &size, NULL);
if (ret)
- goto fail_release;
+ return ret;
+
+ for (i = 0; i < size; ++i) {
+ if (topology[i] == MOX_MODULE_SFP && sfpindex == -1)
+ sfpindex = i;
+ else if ((topology[i] == MOX_MODULE_TOPAZ ||
+ topology[i] == MOX_MODULE_PERIDOT) &&
+ swindex == -1)
+ swindex = i;
+ }
+
+ if (sfpindex >= 0 && swindex >= 0) {
+ if (sfpindex < swindex)
+ serdes_map[0].speed = PHY_SPEED_1_25G;
+ else
+ serdes_map[0].speed = PHY_SPEED_3_125G;
+ } else if (sfpindex >= 0) {
+ serdes_map[0].speed = PHY_SPEED_1_25G;
+ } else if (swindex >= 0) {
+ serdes_map[0].speed = PHY_SPEED_3_125G;
+ }
+
+ return 0;
+}
+
+#define SW_SMI_CMD_R(d, r) (0x9800 | (((d) & 0x1f) << 5) | ((r) & 0x1f))
+#define SW_SMI_CMD_W(d, r) (0x9400 | (((d) & 0x1f) << 5) | ((r) & 0x1f))
+
+static int sw_multi_read(struct mii_dev *bus, int sw, int dev, int reg)
+{
+ bus->write(bus, sw, 0, 0, SW_SMI_CMD_R(dev, reg));
+ mdelay(5);
+ return bus->read(bus, sw, 0, 1);
+}
+
+static void sw_multi_write(struct mii_dev *bus, int sw, int dev, int reg,
+ u16 val)
+{
+ bus->write(bus, sw, 0, 1, val);
+ bus->write(bus, sw, 0, 0, SW_SMI_CMD_W(dev, reg));
+ mdelay(5);
+}
+
+static int sw_scratch_read(struct mii_dev *bus, int sw, int reg)
+{
+ sw_multi_write(bus, sw, 0x1c, 0x1a, (reg & 0x7f) << 8);
+ return sw_multi_read(bus, sw, 0x1c, 0x1a) & 0xff;
+}
+
+static void sw_led_write(struct mii_dev *bus, int sw, int port, int reg,
+ u16 val)
+{
+ sw_multi_write(bus, sw, port, 0x16, 0x8000 | ((reg & 7) << 12)
+ | (val & 0x7ff));
+}
+
+static void sw_blink_leds(struct mii_dev *bus, int peridot, int topaz)
+{
+ int i, p;
+ struct {
+ int port;
+ u16 val;
+ int wait;
+ } regs[] = {
+ { 2, 0xef, 1 }, { 2, 0xfe, 1 }, { 2, 0x33, 0 },
+ { 4, 0xef, 1 }, { 4, 0xfe, 1 }, { 4, 0x33, 0 },
+ { 3, 0xfe, 1 }, { 3, 0xef, 1 }, { 3, 0x33, 0 },
+ { 1, 0xfe, 1 }, { 1, 0xef, 1 }, { 1, 0x33, 0 }
+ };
+
+ for (i = 0; i < 12; ++i) {
+ for (p = 0; p < peridot; ++p) {
+ sw_led_write(bus, 0x10 + p, regs[i].port, 0,
+ regs[i].val);
+ sw_led_write(bus, 0x10 + p, regs[i].port + 4, 0,
+ regs[i].val);
+ }
+ if (topaz) {
+ sw_led_write(bus, 0x2, 0x10 + regs[i].port, 0,
+ regs[i].val);
+ }
+
+ if (regs[i].wait)
+ mdelay(75);
+ }
+}
+
+static void check_switch_address(struct mii_dev *bus, int addr)
+{
+ if (sw_scratch_read(bus, addr, 0x70) >> 3 != addr)
+ printf("Check of switch MDIO address failed for 0x%02x\n",
+ addr);
+}
+
+static int sfp, pci, topaz, peridot, usb, passpci;
+static int sfp_pos, peridot_pos[3];
+static int module_count;
+
+static int configure_peridots(struct gpio_desc *reset_gpio)
+{
+ int i, ret;
+ u8 dout[MAX_MOX_MODULES];
+
+ memset(dout, 0, MAX_MOX_MODULES);
+
+ /* set addresses of Peridot modules */
+ for (i = 0; i < peridot; ++i)
+ dout[module_count - peridot_pos[i]] = (~i) & 3;
+
+ /*
+ * if there is a SFP module connected to the last Peridot module, set
+ * the P10_SMODE to 1 for the Peridot module
+ */
+ if (sfp)
+ dout[module_count - peridot_pos[i - 1]] |= 1 << 3;
+
+ dm_gpio_set_value(reset_gpio, 1);
+ mdelay(10);
- if (din[0] != 0x00 && din[0] != 0xff)
- goto fail_release;
+ ret = mox_do_spi(NULL, dout, module_count + 1);
- printf("Module Topology:\n");
- for (i = 1; i < 10 && din[i] != 0xff; ++i) {
- u8 mid = din[i] & 0xf;
- size_t mlen;
- const char *mname = "";
+ mdelay(10);
+ dm_gpio_set_value(reset_gpio, 0);
- switch (mid) {
- case 0x1:
- mname = "sfp-";
- printf("% 4i: SFP Module\n", i);
+ mdelay(50);
+
+ return ret;
+}
+
+static int get_reset_gpio(struct gpio_desc *reset_gpio)
+{
+ int node;
+
+ node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, "cznic,moxtet");
+ if (node < 0) {
+ printf("Cannot find Moxtet bus device node!\n");
+ return -1;
+ }
+
+ gpio_request_by_name_nodev(offset_to_ofnode(node), "reset-gpios", 0,
+ reset_gpio, GPIOD_IS_OUT);
+
+ if (!dm_gpio_is_valid(reset_gpio)) {
+ printf("Cannot find reset GPIO for Moxtet bus!\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ int ret;
+ u8 mac1[6], mac2[6];
+
+ ret = mbox_sp_get_board_info(NULL, mac1, mac2, NULL, NULL);
+ if (ret < 0) {
+ printf("Cannot read data from OTP!\n");
+ return 0;
+ }
+
+ if (is_valid_ethaddr(mac1) && !env_get("ethaddr"))
+ eth_env_set_enetaddr("ethaddr", mac1);
+
+ if (is_valid_ethaddr(mac2) && !env_get("eth1addr"))
+ eth_env_set_enetaddr("eth1addr", mac2);
+
+ return 0;
+}
+
+static void mox_print_info(void)
+{
+ int ret, board_version, ram_size;
+ u64 serial_number;
+ const char *pub_key;
+
+ ret = mbox_sp_get_board_info(&serial_number, NULL, NULL, &board_version,
+ &ram_size);
+ if (ret < 0)
+ return;
+
+ printf("Turris Mox:\n");
+ 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");
+}
+
+int last_stage_init(void)
+{
+ int ret, i;
+ const u8 *topology;
+ int is_sd;
+ struct mii_dev *bus;
+ struct gpio_desc reset_gpio = {};
+
+ mox_print_info();
+
+ ret = mox_get_topology(&topology, &module_count, &is_sd);
+ if (ret) {
+ printf("Cannot read module topology!\n");
+ return 0;
+ }
+
+ 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:
+ printf("% 4i: SFP Module\n", i + 1);
+ break;
+ case MOX_MODULE_PCI:
+ printf("% 4i: Mini-PCIe Module\n", i + 1);
+ break;
+ case MOX_MODULE_TOPAZ:
+ printf("% 4i: Topaz Switch Module (4-port)\n", i + 1);
break;
- case 0x2:
- mname = "pci-";
- printf("% 4i: Mini-PCIe Module\n", i);
+ case MOX_MODULE_PERIDOT:
+ printf("% 4i: Peridot Switch Module (8-port)\n", i + 1);
break;
- case 0x3:
- mname = "topaz-";
- printf("% 4i: Topaz Switch Module\n", i);
+ case MOX_MODULE_USB3:
+ printf("% 4i: USB 3.0 Module (4 ports)\n", i + 1);
+ break;
+ case MOX_MODULE_PASSPCI:
+ printf("% 4i: Passthrough Mini-PCIe Module\n", i + 1);
break;
default:
- printf("% 4i: unknown (ID %i)\n", i, mid);
+ printf("% 4i: unknown (ID %i)\n", i + 1, topology[i]);
}
+ }
- mlen = strlen(mname);
- if (len + mlen < sizeof(module_topology)) {
- strcpy(module_topology + len, mname);
- len += mlen;
+ /* now check if modules are connected in supported mode */
+
+ for (i = 0; i < module_count; ++i) {
+ switch (topology[i]) {
+ case MOX_MODULE_SFP:
+ if (sfp) {
+ printf("Error: Only one SFP module is supported!\n");
+ } else if (topaz) {
+ printf("Error: SFP module cannot be connected after Topaz Switch module!\n");
+ } else {
+ sfp_pos = i;
+ ++sfp;
+ }
+ break;
+ case MOX_MODULE_PCI:
+ if (pci) {
+ printf("Error: Only one Mini-PCIe module is supported!\n");
+ } else if (usb) {
+ printf("Error: Mini-PCIe module cannot come after USB 3.0 module!\n");
+ } 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 {
+ ++pci;
+ }
+ break;
+ case MOX_MODULE_TOPAZ:
+ if (topaz) {
+ printf("Error: Only one Topaz module is supported!\n");
+ } else if (peridot >= 3) {
+ printf("Error: At most two Peridot modules can come before Topaz module!\n");
+ } else {
+ ++topaz;
+ }
+ break;
+ case MOX_MODULE_PERIDOT:
+ if (sfp || topaz) {
+ printf("Error: Peridot module must come before SFP or Topaz module!\n");
+ } else if (peridot >= 3) {
+ printf("Error: At most three Peridot modules are supported!\n");
+ } else {
+ peridot_pos[peridot] = i;
+ ++peridot;
+ }
+ break;
+ case MOX_MODULE_USB3:
+ if (pci) {
+ printf("Error: USB 3.0 module cannot come after Mini-PCIe module!\n");
+ } else if (usb) {
+ printf("Error: Only one USB 3.0 module is supported!\n");
+ } 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 {
+ ++usb;
+ }
+ break;
+ case MOX_MODULE_PASSPCI:
+ if (passpci) {
+ printf("Error: Only one Passthrough Mini-PCIe module is supported!\n");
+ } else if (i != 0) {
+ printf("Error: Passthrough Mini-PCIe module should be the first connected module!\n");
+ } else {
+ ++passpci;
+ }
}
}
- printf("\n");
- module_topology[len > 0 ? len - 1 : 0] = '\0';
+ /* now configure modules */
- env_set("module_topology", module_topology);
+ if (get_reset_gpio(&reset_gpio) < 0)
+ return 0;
-fail_release:
- spi_release_bus(slave);
-fail_free:
- spi_free_slave(slave);
-fail:
- if (ret)
- printf("Cannot read module topology!\n");
- return ret;
+ if (peridot > 0) {
+ if (configure_peridots(&reset_gpio) < 0) {
+ printf("Cannot configure Peridot modules!\n");
+ peridot = 0;
+ }
+ } else {
+ dm_gpio_set_value(&reset_gpio, 1);
+ mdelay(50);
+ dm_gpio_set_value(&reset_gpio, 0);
+ mdelay(50);
+ }
+
+ if (peridot || topaz) {
+ /*
+ * now check if the addresses are set by reading Scratch & Misc
+ * register 0x70 of Peridot (and potentially Topaz) modules
+ */
+
+ bus = miiphy_get_dev_by_name("neta@30000");
+ if (!bus) {
+ printf("Cannot get MDIO bus device!\n");
+ } else {
+ for (i = 0; i < peridot; ++i)
+ check_switch_address(bus, 0x10 + i);
+
+ if (topaz)
+ check_switch_address(bus, 0x2);
+
+ sw_blink_leds(bus, peridot, topaz);
+ }
+ }
+
+ printf("\n");
+
+ return 0;
}
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