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| author | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 08:12:33 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 08:12:33 (GMT) |
| commit | c0246a9ec4d461ef4dd7647f94005380bb9e7f0b (patch) | |
| tree | 7588601aa6ce98f5e9fd083a1b351d9023c0b295 /drivers/net/wireless/ath/ath10k/ahb.c | |
| parent | 50fd1a6d79d48a7c35890aecce5a5d6b872a461d (diff) | |
| parent | 56f4a560c6d6318b5a8e18a1b3e44909a5158d1e (diff) | |
| download | linux-c0246a9ec4d461ef4dd7647f94005380bb9e7f0b.tar.xz | |
Merge Linaro linux 4.9.62 into linux-4.9
Signed-off-by: Xiaobo Xie <xiaobo.xie@nxp.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/ahb.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/ahb.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c index 766c63b..45226db 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.c +++ b/drivers/net/wireless/ath/ath10k/ahb.c @@ -33,6 +33,9 @@ static const struct of_device_id ath10k_ahb_of_match[] = { MODULE_DEVICE_TABLE(of, ath10k_ahb_of_match); +#define QCA4019_SRAM_ADDR 0x000C0000 +#define QCA4019_SRAM_LEN 0x00040000 /* 256 kb */ + static inline struct ath10k_ahb *ath10k_ahb_priv(struct ath10k *ar) { return &((struct ath10k_pci *)ar->drv_priv)->ahb[0]; @@ -699,6 +702,25 @@ out: return ret; } +static u32 ath10k_ahb_qca4019_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr) +{ + u32 val = 0, region = addr & 0xfffff; + + val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS); + + if (region >= QCA4019_SRAM_ADDR && region <= + (QCA4019_SRAM_ADDR + QCA4019_SRAM_LEN)) { + /* SRAM contents for QCA4019 can be directly accessed and + * no conversions are required + */ + val |= region; + } else { + val |= 0x100000 | region; + } + + return val; +} + static const struct ath10k_hif_ops ath10k_ahb_hif_ops = { .tx_sg = ath10k_pci_hif_tx_sg, .diag_read = ath10k_pci_hif_diag_read, @@ -766,6 +788,7 @@ static int ath10k_ahb_probe(struct platform_device *pdev) ar_pci->mem_len = ar_ahb->mem_len; ar_pci->ar = ar; ar_pci->bus_ops = &ath10k_ahb_bus_ops; + ar_pci->targ_cpu_to_ce_addr = ath10k_ahb_qca4019_targ_cpu_to_ce_addr; ret = ath10k_pci_setup_resource(ar); if (ret) { |