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-rw-r--r--src/soc/cavium/cn81xx/include/soc/addressmap.h2
-rw-r--r--src/soc/cavium/cn81xx/soc.c269
2 files changed, 271 insertions, 0 deletions
diff --git a/src/soc/cavium/cn81xx/include/soc/addressmap.h b/src/soc/cavium/cn81xx/include/soc/addressmap.h
index 392c93f1c1..f6983064fc 100644
--- a/src/soc/cavium/cn81xx/include/soc/addressmap.h
+++ b/src/soc/cavium/cn81xx/include/soc/addressmap.h
@@ -94,6 +94,8 @@
(0x87E090000000ULL + ((x) << 24)) : 0)
/* PEM */
+#define PEM_PEMX_PF_BAR0(x) (0x87e0c0000000ULL + 0x1000000ULL * (x))
+
/* SATA */
/* USB */
diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c
index 5e540a6765..370e2e83a9 100644
--- a/src/soc/cavium/cn81xx/soc.c
+++ b/src/soc/cavium/cn81xx/soc.c
@@ -30,6 +30,264 @@
#include <symbols.h>
#include <libbdk-boot/bdk-boot.h>
#include <soc/ecam0.h>
+#include <console/uart.h>
+#include <libbdk-hal/bdk-pcie.h>
+#include <soc/ecam0.h>
+#include <device/pci.h>
+#include <libbdk-hal/bdk-qlm.h>
+#include <libbdk-hal/bdk-config.h>
+#include <libbdk-arch/bdk-csrs-bgx.h>
+
+#include <fit.h>
+
+static const char *QLM_BGX_MODE_MAP[BDK_QLM_MODE_LAST] = {
+ [BDK_QLM_MODE_SGMII_4X1] = "sgmii",
+ [BDK_QLM_MODE_SGMII_2X1] = "sgmii",
+ [BDK_QLM_MODE_SGMII_1X1] = "sgmii",
+ [BDK_QLM_MODE_XAUI_1X4] = "xaui",
+ [BDK_QLM_MODE_RXAUI_2X2] = "rxaui",
+ [BDK_QLM_MODE_RXAUI_1X2] = "rxaui",
+ [BDK_QLM_MODE_XFI_4X1] = "xfi",
+ [BDK_QLM_MODE_XFI_2X1] = "xfi",
+ [BDK_QLM_MODE_XFI_1X1] = "xfi",
+ [BDK_QLM_MODE_XLAUI_1X4] = "xlaui",
+ [BDK_QLM_MODE_10G_KR_4X1] = "xfi-10g-kr",
+ [BDK_QLM_MODE_10G_KR_2X1] = "xfi-10g-kr",
+ [BDK_QLM_MODE_10G_KR_1X1] = "xfi-10g-kr",
+ [BDK_QLM_MODE_40G_KR4_1X4] = "xlaui-40g-kr",
+ [BDK_QLM_MODE_QSGMII_4X1] = "qsgmii",
+};
+
+static void dt_platform_fixup_phy(struct device_tree_node *node, char *path,
+ int64_t phy_address, bdk_qlm_modes_t qlm_mode)
+{
+ char *data = NULL;
+ size_t size = 0;
+ dt_find_bin_prop(node, "qlm-mode", (void **)&data, &size);
+
+ if (!data || strncmp(data, path, 6) != 0)
+ return; /* No key prefix match. */
+ printk(BIOS_INFO, "%s: Node %s = %s\n", __func__, node->name, data);
+
+ if (strlen(path) == strlen(data) && strcmp(data, path) == 0) {
+ /* Keep node, remove "qlm-mode" property */
+ dt_delete_prop(node, "qlm-mode");
+ printk(BIOS_INFO, "%s: Removing qlm-mode on "
+ "node %s\n", __func__, node->name);
+ /* Linux only access the Phy via MDIO.
+ Remove 'phy-handle' if this option is not available */
+ switch (qlm_mode) {
+ case BDK_QLM_MODE_SGMII_4X1:
+ case BDK_QLM_MODE_SGMII_2X1:
+ case BDK_QLM_MODE_SGMII_1X1:
+ case BDK_QLM_MODE_QSGMII_4X1:
+ if ((phy_address & BDK_IF_PHY_TYPE_MASK) !=
+ BDK_IF_PHY_MDIO) {
+ dt_delete_prop(node, "phy-handle");
+ printk(BIOS_INFO, "%s: Removing phy-handle on "
+ "node %s\n", __func__, node->name);
+ }
+ break;
+ default:
+ break;
+ }
+ } else {
+ printk(BIOS_INFO, "%s: Removing node %s\n", __func__,
+ node->name);
+ /* No match, remove node */
+ list_remove(&node->list_node);
+ }
+}
+
+static void dt_iterate_phy(struct device_tree_node *parent,
+ const char *name,
+ char *path,
+ int64_t phy_address,
+ bdk_qlm_modes_t qlm_mode)
+{
+ struct device_tree_property *prop;
+
+ /* Check if parent itself has the required property value. */
+ list_for_each(prop, parent->properties, list_node) {
+ if (!strcmp(name, prop->prop.name)) {
+ dt_platform_fixup_phy(parent, path, phy_address,
+ qlm_mode);
+ }
+ }
+
+ struct device_tree_node *child;
+ list_for_each(child, parent->children, list_node) {
+ dt_iterate_phy(child, name, path, phy_address, qlm_mode);
+ }
+}
+
+static void dt_platform_fixup_mac(struct device_tree_node *node)
+{
+ const char *name = "local-mac-address";
+ u64 *localmac = NULL;
+ size_t size = 0;
+
+ dt_find_bin_prop(node, name, (void **)&localmac, &size);
+
+ if (!localmac)
+ return;
+ static size_t used_mac;
+
+ /* Extract our MAC address info so we can assign them */
+ size_t next_free_mac_address =
+ bdk_config_get_int(BDK_CONFIG_MAC_ADDRESS);
+ size_t num_free_mac_addresses =
+ bdk_config_get_int(BDK_CONFIG_MAC_ADDRESS_NUM);
+ size_t num_free_override =
+ bdk_config_get_int(BDK_CONFIG_MAC_ADDRESS_NUM_OVERRIDE);
+ if (num_free_override != -1)
+ num_free_mac_addresses = num_free_override;
+
+ if (size == 6) {
+ if (*localmac)
+ return;
+ if (used_mac < num_free_mac_addresses) {
+ *localmac = next_free_mac_address + used_mac;
+ dt_add_bin_prop(node, name, (void *)&localmac, 6);
+ used_mac++;
+ return;
+ }
+ }
+
+ printk(BIOS_INFO, "%s: Removing node %s\n", __func__, node->name);
+ list_remove(&node->list_node);
+}
+
+static void dt_iterate_mac(struct device_tree_node *parent)
+{
+ struct device_tree_property *prop;
+ const char *name = "local-mac-address";
+
+ /* Check if parent itself has the required property value. */
+ list_for_each(prop, parent->properties, list_node) {
+ if (!strcmp(name, prop->prop.name))
+ dt_platform_fixup_mac(parent);
+ }
+
+ struct device_tree_node *child;
+ list_for_each(child, parent->children, list_node) {
+ dt_iterate_mac(child);
+ }
+}
+
+/* Do additional device_tree modifications. */
+static int dt_platform_fixup(struct device_tree_fixup *fixup,
+ struct device_tree *tree)
+{
+ struct device_tree_node *dt_node;
+ size_t i;
+
+ /* Set the sclk clock rate. */
+ dt_node = dt_find_node_by_path(tree->root, "soc@0/sclk", NULL, NULL, 0);
+ if (dt_node) {
+ const u32 freq = thunderx_get_io_clock();
+ printk(BIOS_INFO, "%s: Set SCLK to %u Hz\n", __func__, freq);
+ dt_add_u32_prop(dt_node, "clock-frequency", freq);
+ } else
+ printk(BIOS_ERR, "%s: Node not found. OS might miss-behave !\n",
+ __func__);
+
+ /* Set refclkuaa clock rate. */
+ dt_node = dt_find_node_by_path(tree->root, "soc@0/refclkuaa", NULL,
+ NULL, 0);
+ if (dt_node) {
+ const u32 freq = uart_platform_refclk();
+ printk(BIOS_INFO, "%s: Set REFCLKUAA to %u Hz\n", __func__,
+ freq);
+ dt_add_u32_prop(dt_node, "clock-frequency", freq);
+ } else
+ printk(BIOS_ERR, "%s: Node not found. OS might miss-behave !\n",
+ __func__);
+
+ /* Remove unused PEM entries */
+ for (i = 0; i < 8; i++) {
+ char path[32];
+ u32 phandle = 0;
+ const uint64_t addr = PEM_PEMX_PF_BAR0(i);
+ /* Remove the node */
+ snprintf(path, sizeof(path), "soc@0/pci@%llx", addr);
+ dt_node = dt_find_node_by_path(tree->root, path, NULL, NULL, 0);
+ if (!dt_node || bdk_pcie_is_running(0, i)) {
+ printk(BIOS_INFO, "%s: ignoring %s\n", __func__, path);
+ continue;
+ }
+ /* Store the phandle */
+ phandle = dt_get_phandle(dt_node);
+ printk(BIOS_INFO, "%s: Removing node %s\n", __func__, path);
+ list_remove(&dt_node->list_node);
+
+ /* Remove phandle to non existing nodes */
+ snprintf(path, sizeof(path), "soc@0/smmu0@%llx", SMMU_PF_BAR0);
+ dt_node = dt_find_node_by_path(tree->root, path, NULL, NULL, 0);
+ if (!dt_node) {
+ printk(BIOS_ERR, "%s: SMMU entry not found\n",
+ __func__);
+ continue;
+ }
+ u32 *data = NULL;
+ size_t size = 0;
+ dt_find_bin_prop(dt_node, "mmu-masters", (void **)&data, &size);
+ if (!size) {
+ printk(BIOS_ERR, "%s: mmu-masters entry not found\n",
+ __func__);
+ continue;
+ }
+ for (size_t j = 0; j < size / (sizeof(u32) * 2); j++)
+ if (be32_to_cpu(data[j * 2]) == phandle) {
+ data[j * 2] = 0;
+ data[j * 2 + 1] = 0;
+ break;
+ }
+ }
+
+ /* Remove QLM mode entries */
+ size_t bgx_index, bgx_iface;
+ for (bgx_iface = 0; bgx_iface < 4; bgx_iface++) {
+ for (bgx_index = 0; bgx_index < 4; bgx_index++) {
+ char path[32];
+ int qlm = bdk_qlm_get_qlm_num(0, BDK_IF_BGX,
+ bgx_iface, bgx_index);
+ bdk_qlm_modes_t qlm_mode = (qlm == -1) ?
+ BDK_QLM_MODE_DISABLED :
+ bdk_qlm_get_mode(0, qlm);
+
+ /* BGXX_CMRX_RX_DMAC_CTL is used to mark ports as
+ * disabled that would otherwise be enabled */
+ if (qlm_mode != BDK_QLM_MODE_DISABLED) {
+ BDK_CSR_INIT(rx_dmac_ctl, 0,
+ BDK_BGXX_CMRX_RX_DMAC_CTL(bgx_iface,
+ bgx_index));
+ if (rx_dmac_ctl.u == 0)
+ qlm_mode = BDK_QLM_MODE_DISABLED;
+ }
+
+ if (qlm_mode == BDK_QLM_MODE_DISABLED)
+ snprintf(path, sizeof(path), "0x0%x%x,disabled",
+ bgx_iface, bgx_index);
+ else
+ snprintf(path, sizeof(path), "0x0%x%x,%s",
+ bgx_iface, bgx_index,
+ QLM_BGX_MODE_MAP[qlm_mode]);
+
+ int64_t phy_address =
+ bdk_config_get_int(BDK_CONFIG_PHY_ADDRESS, 0,
+ bgx_iface, bgx_index);
+
+ dt_iterate_phy(tree->root, "qlm-mode", path,
+ phy_address, qlm_mode);
+ }
+ }
+
+ /* Set local MAC address */
+ dt_iterate_mac(tree->root);
+
+ return 0;
+}
static void soc_read_resources(device_t dev)
{
@@ -42,6 +300,17 @@ static void soc_init(device_t dev)
bdk_boot();
/* TODO: additional trustzone init */
+
+ if (IS_ENABLED(CONFIG_PAYLOAD_FIT_SUPPORT)) {
+ struct device_tree_fixup *dt_fixup;
+
+ dt_fixup = malloc(sizeof(*dt_fixup));
+ if (dt_fixup) {
+ dt_fixup->fixup = dt_platform_fixup;
+ list_insert_after(&dt_fixup->list_node,
+ &device_tree_fixups);
+ }
+ }
}
static void soc_final(device_t dev)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 05:58:50 +0000