* SLAVE_ERR
*/
+#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/cpufeature.h>
#include <linux/debugfs.h>
static void print_errlog_err(struct seq_file *file, struct tegra234_cbb *cbb)
{
u8 cache_type, prot_type, burst_length, mstr_id, grpsec, vqc, falconsec, beat_size;
- u8 access_type, access_id, slave_id, fab_id, burst_type;
+ u8 access_type, access_id, requester_socket_id, local_socket_id, slave_id, fab_id;
char fabric_name[20];
+ bool is_numa = false;
+ u8 burst_type;
+
+ if (num_possible_nodes() > 1)
+ is_numa = true;
mstr_id = FIELD_GET(FAB_EM_EL_MSTRID, cbb->mn_user_bits);
vqc = FIELD_GET(FAB_EM_EL_VQC, cbb->mn_user_bits);
grpsec = FIELD_GET(FAB_EM_EL_GRPSEC, cbb->mn_user_bits);
falconsec = FIELD_GET(FAB_EM_EL_FALCONSEC, cbb->mn_user_bits);
+ /*
+ * For SOC with multiple NUMA nodes, print cross socket access
+ * errors only if initiator/master_id is CCPLEX, CPMU or GPU.
+ */
+ if (is_numa) {
+ local_socket_id = numa_node_id();
+ requester_socket_id = FIELD_GET(REQ_SOCKET_ID, cbb->mn_attr2);
+
+ if (requester_socket_id != local_socket_id) {
+ if ((mstr_id != 0x1) && (mstr_id != 0x2) && (mstr_id != 0xB))
+ return;
+ }
+ }
+
fab_id = FIELD_GET(FAB_EM_EL_FABID, cbb->mn_attr2);
slave_id = FIELD_GET(FAB_EM_EL_SLAVEID, cbb->mn_attr2);
else
strcpy(fabric_name, cbb->fabric->name);
+ if (is_numa) {
+ tegra_cbb_print_err(file, "\t Requester_Socket_Id\t: %#x\n",
+ requester_socket_id);
+ tegra_cbb_print_err(file, "\t Local_Socket_Id\t: %#x\n",
+ local_socket_id);
+ tegra_cbb_print_err(file, "\t No. of NUMA_NODES\t: %#x\n",
+ num_possible_nodes());
+ }
+
tegra_cbb_print_err(file, "\t Fabric\t\t: %s\n", fabric_name);
tegra_cbb_print_err(file, "\t Slave_Id\t\t: %#x\n", slave_id);
tegra_cbb_print_err(file, "\t Burst_length\t\t: %#x\n", burst_length);
.notifier_offset = 0x19000,
};
+static const char * const tegra241_master_id[] = {
+ [0x0] = "TZ",
+ [0x1] = "CCPLEX",
+ [0x2] = "CCPMU",
+ [0x3] = "BPMP_FW",
+ [0x4] = "PSC_FW_USER",
+ [0x5] = "PSC_FW_SUPERVISOR",
+ [0x6] = "PSC_FW_MACHINE",
+ [0x7] = "PSC_BOOT",
+ [0x8] = "BPMP_BOOT",
+ [0x9] = "JTAGM_DFT",
+ [0xa] = "CORESIGHT",
+ [0xb] = "GPU",
+ [0xc] = "PEATRANS",
+ [0xd ... 0x3f] = "RSVD"
+};
+
+/*
+ * Possible causes for Slave and Timeout errors.
+ * SLAVE_ERR:
+ * Slave being accessed responded with an error. Slave could return
+ * an error for various cases :
+ * Unsupported access, clamp setting when power gated, register
+ * level firewall(SCR), address hole within the slave, etc
+ *
+ * TIMEOUT_ERR:
+ * No response returned by slave. Can be due to slave being clock
+ * gated, under reset, powered down or slave inability to respond
+ * for an internal slave issue
+ */
+static const struct tegra_cbb_error tegra241_cbb_errors[] = {
+ {
+ .code = "SLAVE_ERR",
+ .desc = "Slave being accessed responded with an error."
+ }, {
+ .code = "DECODE_ERR",
+ .desc = "Attempt to access an address hole or Reserved region of memory."
+ }, {
+ .code = "FIREWALL_ERR",
+ .desc = "Attempt to access a region which is firewalled."
+ }, {
+ .code = "TIMEOUT_ERR",
+ .desc = "No response returned by slave."
+ }, {
+ .code = "PWRDOWN_ERR",
+ .desc = "Attempt to access a portion of the fabric that is powered down."
+ }, {
+ .code = "UNSUPPORTED_ERR",
+ .desc = "Attempt to access a slave through an unsupported access."
+ }, {
+ .code = "POISON_ERR",
+ .desc = "Slave responds with poison error to indicate error in data."
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "RSVD"
+ }, {
+ .code = "NO_SUCH_ADDRESS_ERR",
+ .desc = "The address belongs to the pri_target range but there is no register "
+ "implemented at the address."
+ }, {
+ .code = "TASK_ERR",
+ .desc = "Attempt to update a PRI task when the current task has still not "
+ "completed."
+ }, {
+ .code = "EXTERNAL_ERR",
+ .desc = "Indicates that an external PRI register access met with an error due to "
+ "any issue in the unit."
+ }, {
+ .code = "INDEX_ERR",
+ .desc = "Applicable to PRI index aperture pair, when the programmed index is "
+ "outside the range defined in the manual."
+ }, {
+ .code = "RESET_ERR",
+ .desc = "Target in Reset Error: Attempt to access a SubPri or external PRI "
+ "register but they are in reset."
+ }, {
+ .code = "REGISTER_RST_ERR",
+ .desc = "Attempt to access a PRI register but the register is partial or "
+ "completely in reset."
+ }, {
+ .code = "POWER_GATED_ERR",
+ .desc = "Returned by external PRI client when the external access goes to a power "
+ "gated domain."
+ }, {
+ .code = "SUBPRI_FS_ERR",
+ .desc = "Subpri is floorswept: Attempt to access a subpri through the main pri "
+ "target but subPri logic is floorswept."
+ }, {
+ .code = "SUBPRI_CLK_OFF_ERR",
+ .desc = "Subpri clock is off: Attempt to access a subpri through the main pri "
+ "target but subPris clock is gated/off."
+ },
+};
+
+static const struct tegra234_slave_lookup tegra241_cbb_slave_map[] = {
+ { "CCPLEX", 0x50000 },
+ { "PCIE_C8", 0x51000 },
+ { "PCIE_C9", 0x52000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "AON", 0x5b000 },
+ { "BPMP", 0x5c000 },
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "PSC", 0x5d000 },
+ { "STM", 0x5e000 },
+ { "AXI2APB_1", 0x70000 },
+ { "AXI2APB_10", 0x71000 },
+ { "AXI2APB_11", 0x72000 },
+ { "AXI2APB_12", 0x73000 },
+ { "AXI2APB_13", 0x74000 },
+ { "AXI2APB_14", 0x75000 },
+ { "AXI2APB_15", 0x76000 },
+ { "AXI2APB_16", 0x77000 },
+ { "AXI2APB_17", 0x78000 },
+ { "AXI2APB_18", 0x79000 },
+ { "AXI2APB_19", 0x7a000 },
+ { "AXI2APB_2", 0x7b000 },
+ { "AXI2APB_20", 0x7c000 },
+ { "AXI2APB_4", 0x87000 },
+ { "AXI2APB_5", 0x88000 },
+ { "AXI2APB_6", 0x89000 },
+ { "AXI2APB_7", 0x8a000 },
+ { "AXI2APB_8", 0x8b000 },
+ { "AXI2APB_9", 0x8c000 },
+ { "AXI2APB_3", 0x8d000 },
+ { "AXI2APB_21", 0x7d000 },
+ { "AXI2APB_22", 0x7e000 },
+ { "AXI2APB_23", 0x7f000 },
+ { "AXI2APB_24", 0x80000 },
+ { "AXI2APB_25", 0x81000 },
+ { "AXI2APB_26", 0x82000 },
+ { "AXI2APB_27", 0x83000 },
+ { "AXI2APB_28", 0x84000 },
+ { "PCIE_C4", 0x53000 },
+ { "PCIE_C5", 0x54000 },
+ { "PCIE_C6", 0x55000 },
+ { "PCIE_C7", 0x56000 },
+ { "PCIE_C2", 0x57000 },
+ { "PCIE_C3", 0x58000 },
+ { "PCIE_C0", 0x59000 },
+ { "PCIE_C1", 0x5a000 },
+ { "AXI2APB_29", 0x85000 },
+ { "AXI2APB_30", 0x86000 },
+};
+
+static const struct tegra234_cbb_fabric tegra241_cbb_fabric = {
+ .name = "cbb-fabric",
+ .master_id = tegra241_master_id,
+ .slave_map = tegra241_cbb_slave_map,
+ .errors = tegra241_cbb_errors,
+ .notifier_offset = 0x60000,
+ .off_mask_erd = 0x40004,
+};
+
+static const struct tegra234_slave_lookup tegra241_bpmp_slave_map[] = {
+ { "RSVD", 0x00000 },
+ { "RSVD", 0x00000 },
+ { "CBB", 0x15000 },
+ { "CPU", 0x16000 },
+ { "AXI2APB", 0x00000 },
+ { "DBB0", 0x17000 },
+ { "DBB1", 0x18000 },
+};
+
+static const struct tegra234_cbb_fabric tegra241_bpmp_fabric = {
+ .name = "bpmp-fabric",
+ .master_id = tegra241_master_id,
+ .slave_map = tegra241_bpmp_slave_map,
+ .errors = tegra241_cbb_errors,
+ .notifier_offset = 0x19000,
+};
+
static const struct of_device_id tegra234_cbb_dt_ids[] = {
{ .compatible = "nvidia,tegra234-cbb-fabric", .data = &tegra234_cbb_fabric },
{ .compatible = "nvidia,tegra234-aon-fabric", .data = &tegra234_aon_fabric },
};
MODULE_DEVICE_TABLE(of, tegra234_cbb_dt_ids);
+struct tegra234_cbb_acpi_uid {
+ const char *hid;
+ const char *uid;
+ const struct tegra234_cbb_fabric *fabric;
+};
+
+static const struct tegra234_cbb_acpi_uid tegra234_cbb_acpi_uids[] = {
+ { "NVDA1070", "1", &tegra241_cbb_fabric },
+ { "NVDA1070", "2", &tegra241_bpmp_fabric },
+ { },
+};
+
+static const struct
+tegra234_cbb_fabric *tegra234_cbb_acpi_get_fabric(struct acpi_device *adev)
+{
+ const struct tegra234_cbb_acpi_uid *entry;
+
+ for (entry = tegra234_cbb_acpi_uids; entry->hid; entry++) {
+ if (acpi_dev_hid_uid_match(adev, entry->hid, entry->uid))
+ return entry->fabric;
+ }
+
+ return NULL;
+}
+
+static const struct acpi_device_id tegra241_cbb_acpi_ids[] = {
+ { "NVDA1070" },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, tegra241_cbb_acpi_ids);
+
static int tegra234_cbb_probe(struct platform_device *pdev)
{
const struct tegra234_cbb_fabric *fabric;
unsigned long flags = 0;
int err;
- fabric = of_device_get_match_data(&pdev->dev);
+ if (pdev->dev.of_node) {
+ fabric = of_device_get_match_data(&pdev->dev);
+ } else {
+ struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ if (!device)
+ return -ENODEV;
+
+ fabric = tegra234_cbb_acpi_get_fabric(device);
+ if (!fabric) {
+ dev_err(&pdev->dev, "no device match found\n");
+ return -ENODEV;
+ }
+ }
cbb = devm_kzalloc(&pdev->dev, sizeof(*cbb), GFP_KERNEL);
if (!cbb)
.driver = {
.name = "tegra234-cbb",
.of_match_table = tegra234_cbb_dt_ids,
+ .acpi_match_table = tegra241_cbb_acpi_ids,
.pm = &tegra234_cbb_pm,
},
};
projects / platform / kernel / linux-rpi.git / commitdiff