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wil6210: support for "sparrow" hardware

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New hardware release appears; it require some changes to properly support  it.
Introduce struct wil_board and "board" attribute in wil6210_priv;
keep hardware variant information in this structure.
fill it on probe(). Used in the reset flow.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2014-07-14 09:49:37 +03:00 committed by John W. Linville
parent 5235cd2121
commit 6508281b0b
3 changed files with 63 additions and 11 deletions
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42
drivers/net/wireless/ath/wil6210/main.c
View File

@ -314,8 +314,9 @@ static void wil_target_reset(struct wil6210_priv *wil)
int delay = 0;
u32 hw_state;
u32 rev_id;
bool is_sparrow = (wil->board->board == WIL_BOARD_SPARROW);
wil_dbg_misc(wil, "Resetting...\n");
wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->board->name);
/* register read */
#define R(a) ioread32(wil->csr + HOSTADDR(a))
@ -328,35 +329,59 @@ static void wil_target_reset(struct wil6210_priv *wil)
wil->hw_version = R(RGF_USER_FW_REV_ID);
rev_id = wil->hw_version & 0xff;
/* Clear MAC link up */
S(RGF_HP_CTRL, BIT(15));
/* hpal_perst_from_pad_src_n_mask */
S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT(6));
/* car_perst_rst_src_n_mask */
S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT(7));
wmb(); /* order is important here */
if (is_sparrow) {
W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
wmb(); /* order is important here */
}
W(RGF_USER_MAC_CPU_0, BIT(1)); /* mac_cpu_man_rst */
W(RGF_USER_USER_CPU_0, BIT(1)); /* user_cpu_man_rst */
wmb(); /* order is important here */
W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000170);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, is_sparrow ? 0x000000B0 : 0x00000170);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FC00);
wmb(); /* order is important here */
if (is_sparrow) {
W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0);
wmb(); /* order is important here */
}
W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0);
W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
wmb(); /* order is important here */
W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000001);
if (rev_id == 1) {
W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00000080);
} else {
W(RGF_PCIE_LOS_COUNTER_CTL, BIT(6) | BIT(8));
if (is_sparrow) {
W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003);
/* reset A2 PCIE AHB */
W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000);
} else {
W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000001);
if (rev_id == 1) {
/* reset A1 BOTH PCIE AHB & PCIE RGF */
W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00000080);
} else {
W(RGF_PCIE_LOS_COUNTER_CTL, BIT(6) | BIT(8));
W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000);
}
}
/* TODO: check order here!!! Erez code is different */
W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
wmb(); /* order is important here */
@ -371,7 +396,8 @@ static void wil_target_reset(struct wil6210_priv *wil)
}
} while (hw_state != HW_MACHINE_BOOT_DONE);
if (rev_id == 2)
/* TODO: Erez check rev_id != 1 */
if (!is_sparrow && (rev_id != 1))
W(RGF_PCIE_LOS_COUNTER_CTL, BIT(8));
C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);

22
drivers/net/wireless/ath/wil6210/pcie_bus.c
View File

@ -122,10 +122,12 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct wil6210_priv *wil;
struct device *dev = &pdev->dev;
void __iomem *csr;
struct wil_board *board = (struct wil_board *)id->driver_data;
int rc;
/* check HW */
dev_info(&pdev->dev, WIL_NAME " device found [%04x:%04x] (rev %x)\n",
dev_info(&pdev->dev, WIL_NAME
" \"%s\" device found [%04x:%04x] (rev %x)\n", board->name,
(int)pdev->vendor, (int)pdev->device, (int)pdev->revision);
if (pci_resource_len(pdev, 0) != WIL6210_MEM_SIZE) {
@ -175,6 +177,7 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, wil);
wil->pdev = pdev;
wil->board = board;
wil6210_clear_irq(wil);
/* FW should raise IRQ when ready */
@ -225,8 +228,21 @@ static void wil_pcie_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}
static DEFINE_PCI_DEVICE_TABLE(wil6210_pcie_ids) = {
{ PCI_DEVICE(0x1ae9, 0x0301) },
static const struct wil_board wil_board_marlon = {
.board = WIL_BOARD_MARLON,
.name = "marlon",
};
static const struct wil_board wil_board_sparrow = {
.board = WIL_BOARD_SPARROW,
.name = "sparrow",
};
static const struct pci_device_id wil6210_pcie_ids[] = {
{ PCI_DEVICE(0x1ae9, 0x0301),
.driver_data = (kernel_ulong_t)&wil_board_marlon },
{ PCI_DEVICE(0x1ae9, 0x0310),
.driver_data = (kernel_ulong_t)&wil_board_sparrow },
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids);

10
drivers/net/wireless/ath/wil6210/wil6210.h
View File

@ -24,6 +24,13 @@
#define WIL_NAME "wil6210"
struct wil_board {
int board;
#define WIL_BOARD_MARLON (1)
#define WIL_BOARD_SPARROW (2)
const char * const name;
};
/**
* extract bits [@b0:@b1] (inclusive) from the value @x
* it should be @b0 <= @b1, or result is incorrect
@ -93,6 +100,7 @@ struct RGF_ICR {
#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
#define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
#define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
#define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
@ -121,6 +129,7 @@ struct RGF_ICR {
#define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
#define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
#define RGF_HP_CTRL (0x88265c)
#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
/* popular locations */
@ -365,6 +374,7 @@ struct wil6210_priv {
ulong status;
u32 fw_version;
u32 hw_version;
struct wil_board *board;
u8 n_mids; /* number of additional MIDs as reported by FW */
int recovery_count; /* num of FW recovery attempts in a short time */
unsigned long last_fw_recovery; /* jiffies of last fw recovery */