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Merge "pci: ipq9574: Add new command to list the qcn9224 fuses"

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Linux Build Service Account 2022-11-04 13:33:57 -07:00 • committed by Gerrit - the friendly Code Review server
commit 2cc0af4c3e
1 changed files with 72 additions and 0 deletions
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72
drivers/pci/pci_ipq.c
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@ -423,6 +423,15 @@ DECLARE_GLOBAL_DATA_PTR;
#define QCN9224_TCSR_PBL_LOGGING_REG 0x1B00094
#define QCN9224_OEM_ID 0x01e20018
#define QCN9224_SECURE_BOOT0_AUTH_EN 0x01e20010
#define QCN9224_OEM_PK_HASH 0x01e20060
#define QCN9224_OEM_PK_HASH_SIZE 36
#define QCN9224_OEM_ID_MASK GENMASK(31,16)
#define QCN9224_OEM_ID_SHIFT 16
#define QCN9224_SECURE_BOOT0_AUTH_EN_MASK (0x1)
#define BHI_STATUS (0x12C)
#define BHI_IMGADDR_LOW (0x108)
#define BHI_IMGADDR_HIGH (0x10C)
@ -2143,4 +2152,67 @@ U_BOOT_CMD(list_pci, 1, 1, do_list_pci,
"Print the RC's PCIe details and attached device ID",
"If no attach is present, then nothing will be printed");
static int do_list_qcn9224_fuse(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
pci_dev_t devbusfn;
struct pci_controller *hose;
pci_addr_t pci_mem_base, bar0_base;
int device_id;
u32 val;
int i;
for(device_id = 0; device_id < 4; device_id++) {
devbusfn = pci_find_ipq_devices(supported_device, device_id);
if (devbusfn == -1)
continue;
hose = pci_bus_to_hose(PCI_BUS(devbusfn));
if(hose == NULL)
continue;
pci_mem_base = hose->regions[0].bus_start;
bar0_base = pci_mem_base + 0x400000;
pci_write_config_dword (devbusfn, PCI_COMMAND,
(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
pci_write_config_dword (devbusfn, PCI_BASE_ADDRESS_0, bar0_base);
pci_select_window(bar0_base, QCN9224_OEM_ID);
val = readl(bar0_base + WINDOW_START +
(QCN9224_OEM_ID & WINDOW_RANGE_MASK));
printf("PCIe Bus ID: %d\nFuse Name \t\t Address \t Value\n",device_id);
printf("------------------------------------------------------\n");
printf("OEM ID\t\t\t 0x%x \t 0x%lx \n",QCN9224_OEM_ID,
(val & QCN9224_OEM_ID_MASK) >> QCN9224_OEM_ID_SHIFT);
pci_select_window(bar0_base, QCN9224_SECURE_BOOT0_AUTH_EN);
val = readl(bar0_base + WINDOW_START +
(QCN9224_SECURE_BOOT0_AUTH_EN & WINDOW_RANGE_MASK));
printf("SECURE_BOOT0_AUTH_EN\t 0x%x \t 0x%x \n", QCN9224_SECURE_BOOT0_AUTH_EN,
(val & QCN9224_SECURE_BOOT0_AUTH_EN_MASK));
for(i = 0; i <= QCN9224_OEM_PK_HASH_SIZE ; i+=4) {
pci_select_window(bar0_base, QCN9224_OEM_PK_HASH + i);
val = readl(bar0_base + WINDOW_START +
((QCN9224_OEM_PK_HASH + i) & WINDOW_RANGE_MASK));
printf("OEM PK hash \t\t 0x%x \t 0x%x\n",QCN9224_OEM_PK_HASH + i, val);
}
printf("------------------------------------------------------\n\n");
}
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(list_qcn9224_fuse, 1, 1, do_list_qcn9224_fuse,
"Print QCN9224 fuse details from attached PCIe slots",
"If there is no QCN9224 attach, then nothing will be printed");
#endif