diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/pci.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index ad2a14678be7..fd1566cd7d2b 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -57,6 +57,10 @@ MODULE_PARM_DESC(reset_mode, "0: auto, 1: warm only (default: 0)"); */ #define ATH10K_DIAG_TRANSFER_LIMIT 0x5000 +#define QCA99X0_PCIE_BAR0_START_REG 0x81030 +#define QCA99X0_CPU_MEM_ADDR_REG 0x4d00c +#define QCA99X0_CPU_MEM_DATA_REG 0x4d010 + static const struct pci_device_id ath10k_pci_id_table[] = { /* PCI-E QCA988X V2 (Ubiquiti branded) */ { PCI_VDEVICE(UBIQUITI, QCA988X_2_0_DEVICE_ID_UBNT) }, @@ -1585,6 +1589,39 @@ static int ath10k_pci_set_ram_config(struct ath10k *ar, u32 config) } /* if an error happened returns < 0, otherwise the length */ +static int ath10k_pci_dump_memory_sram(struct ath10k *ar, + const struct ath10k_mem_region *region, + u8 *buf) +{ + struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + u32 base_addr, i; + + base_addr = ioread32(ar_pci->mem + QCA99X0_PCIE_BAR0_START_REG); + base_addr += region->start; + + for (i = 0; i < region->len; i += 4) { + iowrite32(base_addr + i, ar_pci->mem + QCA99X0_CPU_MEM_ADDR_REG); + *(u32 *)(buf + i) = ioread32(ar_pci->mem + QCA99X0_CPU_MEM_DATA_REG); + } + + return region->len; +} + +/* if an error happened returns < 0, otherwise the length */ +static int ath10k_pci_dump_memory_reg(struct ath10k *ar, + const struct ath10k_mem_region *region, + u8 *buf) +{ + struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + u32 i; + + for (i = 0; i < region->len; i += 4) + *(u32 *)(buf + i) = ioread32(ar_pci->mem + region->start + i); + + return region->len; +} + +/* if an error happened returns < 0, otherwise the length */ static int ath10k_pci_dump_memory_generic(struct ath10k *ar, const struct ath10k_mem_region *current_region, u8 *buf) @@ -1673,6 +1710,12 @@ static void ath10k_pci_dump_memory(struct ath10k *ar, buf_len -= sizeof(*hdr); switch (current_region->type) { + case ATH10K_MEM_REGION_TYPE_IOSRAM: + count = ath10k_pci_dump_memory_sram(ar, current_region, buf); + break; + case ATH10K_MEM_REGION_TYPE_IOREG: + count = ath10k_pci_dump_memory_reg(ar, current_region, buf); + break; default: ret = ath10k_pci_dump_memory_generic(ar, current_region, buf); if (ret < 0) |