renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-27 14:43:58 +08:00
Code

wlcore: Propagate errors from wl1271_raw_read32

Browse Source 
Propagate errors from wl1271_raw_read32. Since the read functions had no
way of returning errors in-band, change their prototypes.
Also rename prefixes of wlcore functions which their prototypes had to
be changed.

Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Ido Yariv 2012-06-18 15:50:21 +03:00 committed by Luciano Coelho
parent eb96f841b9
commit 6134323f42
9 changed files with 309 additions and 113 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

152
drivers/net/wireless/ti/wl12xx/main.c
View File

@ -701,10 +701,11 @@ static void wl12xx_top_reg_write(struct wl1271 *wl, int addr, u16 val)
wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE);
}
static u16 wl12xx_top_reg_read(struct wl1271 *wl, int addr)
static int wl12xx_top_reg_read(struct wl1271 *wl, int addr, u16 *out)
{
u32 val;
int timeout = OCP_CMD_LOOP;
int ret;
/* write address >> 1 + 0x30000 to OCP_POR_CTR */
addr = (addr >> 1) + 0x30000;
@ -715,29 +716,38 @@ static u16 wl12xx_top_reg_read(struct wl1271 *wl, int addr)
/* poll for data ready */
do {
val = wl1271_read32(wl, WL12XX_OCP_DATA_READ);
ret = wlcore_read32(wl, WL12XX_OCP_DATA_READ, &val);
if (ret < 0)
return ret;
} while (!(val & OCP_READY_MASK) && --timeout);
if (!timeout) {
wl1271_warning("Top register access timed out.");
return 0xffff;
return -ETIMEDOUT;
}
/* check data status and return if OK */
if ((val & OCP_STATUS_MASK) == OCP_STATUS_OK)
return val & 0xffff;
else {
if ((val & OCP_STATUS_MASK) != OCP_STATUS_OK) {
wl1271_warning("Top register access returned error.");
return 0xffff;
return -EIO;
}
if (out)
*out = val & 0xffff;
return 0;
}
static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl)
{
u16 spare_reg;
int ret;
/* Mask bits [2] & [8:4] in the sys_clk_cfg register */
spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG);
ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg);
if (ret < 0)
return ret;
if (spare_reg == 0xFFFF)
return -EFAULT;
spare_reg |= (BIT(3) | BIT(5) | BIT(6));
@ -756,8 +766,12 @@ static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl)
static bool wl128x_is_tcxo_valid(struct wl1271 *wl)
{
u16 tcxo_detection;
int ret;
ret = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG, &tcxo_detection);
if (ret < 0)
return false;
tcxo_detection = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG);
if (tcxo_detection & TCXO_DET_FAILED)
return false;
@ -767,8 +781,12 @@ static bool wl128x_is_tcxo_valid(struct wl1271 *wl)
static bool wl128x_is_fref_valid(struct wl1271 *wl)
{
u16 fref_detection;
int ret;
ret = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG, &fref_detection);
if (ret < 0)
return false;
fref_detection = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG);
if (fref_detection & FREF_CLK_DETECT_FAIL)
return false;
@ -790,9 +808,13 @@ static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk)
u16 pll_config;
u8 input_freq;
struct wl12xx_priv *priv = wl->priv;
int ret;
/* Mask bits [3:1] in the sys_clk_cfg register */
spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG);
ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg);
if (ret < 0)
return ret;
if (spare_reg == 0xFFFF)
return -EFAULT;
spare_reg |= BIT(2);
@ -806,7 +828,10 @@ static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk)
/* Set the input frequency according to the selected clock source */
input_freq = (clk & 1) + 1;
pll_config = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG);
ret = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG, &pll_config);
if (ret < 0)
return ret;
if (pll_config == 0xFFFF)
return -EFAULT;
pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT);
@ -827,6 +852,7 @@ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock)
{
struct wl12xx_priv *priv = wl->priv;
u16 sys_clk_cfg;
int ret;
/* For XTAL-only modes, FREF will be used after switching from TCXO */
if (priv->ref_clock == WL12XX_REFCLOCK_26_XTAL ||
@ -837,7 +863,10 @@ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock)
}
/* Query the HW, to determine which clock source we should use */
sys_clk_cfg = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG);
ret = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG, &sys_clk_cfg);
if (ret < 0)
return ret;
if (sys_clk_cfg == 0xFFFF)
return -EINVAL;
if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF)
@ -872,6 +901,7 @@ static int wl127x_boot_clk(struct wl1271 *wl)
struct wl12xx_priv *priv = wl->priv;
u32 pause;
u32 clk;
int ret;
if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3)
wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION;
@ -892,18 +922,27 @@ static int wl127x_boot_clk(struct wl1271 *wl)
if (priv->ref_clock != CONF_REF_CLK_19_2_E) {
u16 val;
/* Set clock type (open drain) */
val = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE);
ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE, &val);
if (ret < 0)
goto out;
val &= FREF_CLK_TYPE_BITS;
wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val);
/* Set clock pull mode (no pull) */
val = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL);
ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL, &val);
if (ret < 0)
goto out;
val |= NO_PULL;
wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val);
} else {
u16 val;
/* Set clock polarity */
val = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY);
ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY, &val);
if (ret < 0)
goto out;
val &= FREF_CLK_POLARITY_BITS;
val |= CLK_REQ_OUTN_SEL;
wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
@ -911,7 +950,9 @@ static int wl127x_boot_clk(struct wl1271 *wl)
wl1271_write32(wl, WL12XX_PLL_PARAMETERS, clk);
pause = wl1271_read32(wl, WL12XX_PLL_PARAMETERS);
ret = wlcore_read32(wl, WL12XX_PLL_PARAMETERS, &pause);
if (ret < 0)
goto out;
wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
@ -919,13 +960,15 @@ static int wl127x_boot_clk(struct wl1271 *wl)
pause |= WU_COUNTER_PAUSE_VAL;
wl1271_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause);
return 0;
out:
return ret;
}
static int wl1271_boot_soft_reset(struct wl1271 *wl)
{
unsigned long timeout;
u32 boot_data;
int ret = 0;
/* perform soft reset */
wl1271_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
@ -933,7 +976,10 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
/* SOFT_RESET is self clearing */
timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME);
while (1) {
boot_data = wl1271_read32(wl, WL12XX_SLV_SOFT_RESET);
ret = wlcore_read32(wl, WL12XX_SLV_SOFT_RESET, &boot_data);
if (ret < 0)
goto out;
wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data);
if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0)
break;
@ -954,7 +1000,8 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
/* disable auto calibration on start*/
wl1271_write32(wl, WL12XX_SPARE_A2, 0xffff);
return 0;
out:
return ret;
}
static int wl12xx_pre_boot(struct wl1271 *wl)
@ -984,7 +1031,9 @@ static int wl12xx_pre_boot(struct wl1271 *wl)
to be used by DRPw FW. The RTRIM value will be added by the FW
before taking DRPw out of reset */
clk = wl1271_read32(wl, WL12XX_DRPW_SCRATCH_START);
ret = wlcore_read32(wl, WL12XX_DRPW_SCRATCH_START, &clk);
if (ret < 0)
goto out;
wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
@ -1008,9 +1057,11 @@ out:
return ret;
}
static void wl12xx_pre_upload(struct wl1271 *wl)
static int wl12xx_pre_upload(struct wl1271 *wl)
{
u32 tmp, polarity;
u32 tmp;
u16 polarity;
int ret;
/* write firmware's last address (ie. it's length) to
* ACX_EEPROMLESS_IND_REG */
@ -1018,12 +1069,16 @@ static void wl12xx_pre_upload(struct wl1271 *wl)
wl1271_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND);
tmp = wlcore_read_reg(wl, REG_CHIP_ID_B);
ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
if (ret < 0)
goto out;
wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
/* 6. read the EEPROM parameters */
tmp = wl1271_read32(wl, WL12XX_SCR_PAD2);
ret = wlcore_read32(wl, WL12XX_SCR_PAD2, &tmp);
if (ret < 0)
goto out;
/* WL1271: The reference driver skips steps 7 to 10 (jumps directly
* to upload_fw) */
@ -1032,12 +1087,16 @@ static void wl12xx_pre_upload(struct wl1271 *wl)
wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA);
/* polarity must be set before the firmware is loaded */
polarity = wl12xx_top_reg_read(wl, OCP_REG_POLARITY);
ret = wl12xx_top_reg_read(wl, OCP_REG_POLARITY, &polarity);
if (ret < 0)
goto out;
/* We use HIGH polarity, so unset the LOW bit */
polarity &= ~POLARITY_LOW;
wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity);
out:
return ret;
}
static void wl12xx_enable_interrupts(struct wl1271 *wl)
@ -1063,7 +1122,9 @@ static int wl12xx_boot(struct wl1271 *wl)
if (ret < 0)
goto out;
wl12xx_pre_upload(wl);
ret = wl12xx_pre_upload(wl);
if (ret < 0)
goto out;
ret = wlcore_boot_upload_firmware(wl);
if (ret < 0)
@ -1282,14 +1343,20 @@ static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
return supported;
}
static void wl12xx_get_fuse_mac(struct wl1271 *wl)
static int wl12xx_get_fuse_mac(struct wl1271 *wl)
{
u32 mac1, mac2;
int ret;
wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1);
mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2);
ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1, &mac1);
if (ret < 0)
goto out;
ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2, &mac2);
if (ret < 0)
goto out;
/* these are the two parts of the BD_ADDR */
wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
@ -1297,24 +1364,35 @@ static void wl12xx_get_fuse_mac(struct wl1271 *wl)
wl->fuse_nic_addr = mac1 & 0xffffff;
wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
out:
return ret;
}
static s8 wl12xx_get_pg_ver(struct wl1271 *wl)
static int wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
{
u32 die_info;
u16 die_info;
int ret;
if (wl->chip.id == CHIP_ID_1283_PG20)
die_info = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1);
ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1,
&die_info);
else
die_info = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1);
ret = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1,
&die_info);
return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET;
if (ret >= 0 && ver)
*ver = (s8)((die_info & PG_VER_MASK) >> PG_VER_OFFSET);
return ret;
}
static void wl12xx_get_mac(struct wl1271 *wl)
static int wl12xx_get_mac(struct wl1271 *wl)
{
if (wl12xx_mac_in_fuse(wl))
wl12xx_get_fuse_mac(wl);
return wl12xx_get_fuse_mac(wl);
return 0;
}
static void wl12xx_set_tx_desc_csum(struct wl1271 *wl,

35
drivers/net/wireless/ti/wl18xx/io.c
View File

@ -24,37 +24,52 @@
#include "io.h"
void wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val)
int wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val)
{
u32 tmp;
int ret;
if (WARN_ON(addr % 2))
return;
return -EINVAL;
if ((addr % 4) == 0) {
tmp = wl1271_read32(wl, addr);
ret = wlcore_read32(wl, addr, &tmp);
if (ret < 0)
goto out;
tmp = (tmp & 0xffff0000) | val;
wl1271_write32(wl, addr, tmp);
} else {
tmp = wl1271_read32(wl, addr - 2);
ret = wlcore_read32(wl, addr - 2, &tmp);
if (ret < 0)
goto out;
tmp = (tmp & 0xffff) | (val << 16);
wl1271_write32(wl, addr - 2, tmp);
}
out:
return ret;
}
u16 wl18xx_top_reg_read(struct wl1271 *wl, int addr)
int wl18xx_top_reg_read(struct wl1271 *wl, int addr, u16 *out)
{
u32 val;
int ret;
if (WARN_ON(addr % 2))
return 0;
return -EINVAL;
if ((addr % 4) == 0) {
/* address is 4-bytes aligned */
val = wl1271_read32(wl, addr);
return val & 0xffff;
ret = wlcore_read32(wl, addr, &val);
if (ret >= 0 && out)
*out = val & 0xffff;
} else {
val = wl1271_read32(wl, addr - 2);
return (val & 0xffff0000) >> 16;
ret = wlcore_read32(wl, addr - 2, &val);
if (ret >= 0 && out)
*out = (val & 0xffff0000) >> 16;
}
return ret;
}

4
drivers/net/wireless/ti/wl18xx/io.h
View File

@ -22,7 +22,7 @@
#ifndef __WL18XX_IO_H__
#define __WL18XX_IO_H__
void wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val);
u16 wl18xx_top_reg_read(struct wl1271 *wl, int addr);
int wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val);
int wl18xx_top_reg_read(struct wl1271 *wl, int addr, u16 *out);
#endif /* __WL18XX_IO_H__ */

114
drivers/net/wireless/ti/wl18xx/main.c
View File

@ -636,45 +636,67 @@ out:
return ret;
}
static void wl18xx_set_clk(struct wl1271 *wl)
static int wl18xx_set_clk(struct wl1271 *wl)
{
u32 clk_freq;
u16 clk_freq;
int ret;
wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
/* TODO: PG2: apparently we need to read the clk type */
clk_freq = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT);
ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
if (ret < 0)
goto out;
wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N, wl18xx_clk_table[clk_freq].n);
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M, wl18xx_clk_table[clk_freq].m);
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
wl18xx_clk_table[clk_freq].n);
if (ret < 0)
goto out;
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
wl18xx_clk_table[clk_freq].m);
if (ret < 0)
goto out;
if (wl18xx_clk_table[clk_freq].swallow) {
/* first the 16 lower bits */
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
wl18xx_clk_table[clk_freq].q &
PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
wl18xx_clk_table[clk_freq].q &
PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
if (ret < 0)
goto out;
/* then the 16 higher bits, masked out */
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
(wl18xx_clk_table[clk_freq].q >> 16) &
PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
(wl18xx_clk_table[clk_freq].q >> 16) &
PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
if (ret < 0)
goto out;
/* first the 16 lower bits */
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
wl18xx_clk_table[clk_freq].p &
PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
wl18xx_clk_table[clk_freq].p &
PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
if (ret < 0)
goto out;
/* then the 16 higher bits, masked out */
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
(wl18xx_clk_table[clk_freq].p >> 16) &
PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
(wl18xx_clk_table[clk_freq].p >> 16) &
PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
} else {
wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
}
out:
return ret;
}
static void wl18xx_boot_soft_reset(struct wl1271 *wl)
@ -688,7 +710,11 @@ static void wl18xx_boot_soft_reset(struct wl1271 *wl)
static int wl18xx_pre_boot(struct wl1271 *wl)
{
wl18xx_set_clk(wl);
int ret;
ret = wl18xx_set_clk(wl);
if (ret < 0)
goto out;
/* Continue the ELP wake up sequence */
wl1271_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
@ -701,23 +727,30 @@ static int wl18xx_pre_boot(struct wl1271 *wl)
wl18xx_boot_soft_reset(wl);
return 0;
out:
return ret;
}
static void wl18xx_pre_upload(struct wl1271 *wl)
static int wl18xx_pre_upload(struct wl1271 *wl)
{
u32 tmp;
int ret;
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
/* TODO: check if this is all needed */
wl1271_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
tmp = wlcore_read_reg(wl, REG_CHIP_ID_B);
ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
if (ret < 0)
goto out;
wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
tmp = wl1271_read32(wl, WL18XX_SCR_PAD2);
ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
out:
return ret;
}
static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
@ -766,7 +799,9 @@ static int wl18xx_boot(struct wl1271 *wl)
if (ret < 0)
goto out;
wl18xx_pre_upload(wl);
ret = wl18xx_pre_upload(wl);
if (ret < 0)
goto out;
ret = wlcore_boot_upload_firmware(wl);
if (ret < 0)
@ -998,18 +1033,24 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
}
}
static s8 wl18xx_get_pg_ver(struct wl1271 *wl)
static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
{
u32 fuse;
int ret;
wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
fuse = wl1271_read32(wl, WL18XX_REG_FUSE_DATA_1_3);
fuse = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
if (ret < 0)
goto out;
if (ver)
*ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
return (s8)fuse;
out:
return ret;
}
#define WL18XX_CONF_FILE_NAME "ti-connectivity/wl18xx-conf.bin"
@ -1080,14 +1121,20 @@ static int wl18xx_plt_init(struct wl1271 *wl)
return wl->ops->boot(wl);
}
static void wl18xx_get_mac(struct wl1271 *wl)
static int wl18xx_get_mac(struct wl1271 *wl)
{
u32 mac1, mac2;
int ret;
wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
mac1 = wl1271_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1);
mac2 = wl1271_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2);
ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
if (ret < 0)
goto out;
ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
if (ret < 0)
goto out;
/* these are the two parts of the BD_ADDR */
wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
@ -1095,6 +1142,9 @@ static void wl18xx_get_mac(struct wl1271 *wl)
wl->fuse_nic_addr = (mac1 & 0xffffff);
wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
out:
return ret;
}
static int wl18xx_handle_static_data(struct wl1271 *wl,

31
drivers/net/wireless/ti/wlcore/boot.c
View File

@ -33,16 +33,22 @@
#include "rx.h"
#include "hw_ops.h"
static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag)
static int wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag)
{
u32 cpu_ctrl;
int ret;
/* 10.5.0 run the firmware (I) */
cpu_ctrl = wlcore_read_reg(wl, REG_ECPU_CONTROL);
ret = wlcore_read_reg(wl, REG_ECPU_CONTROL, &cpu_ctrl);
if (ret < 0)
goto out;
/* 10.5.1 run the firmware (II) */
cpu_ctrl |= flag;
wlcore_write_reg(wl, REG_ECPU_CONTROL, cpu_ctrl);
out:
return ret;
}
static int wlcore_boot_parse_fw_ver(struct wl1271 *wl,
@ -368,9 +374,13 @@ int wlcore_boot_run_firmware(struct wl1271 *wl)
/* Make sure we have the boot partition */
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
ret = wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
if (ret < 0)
return ret;
chip_id = wlcore_read_reg(wl, REG_CHIP_ID_B);
ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &chip_id);
if (ret < 0)
return ret;
wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id);
@ -383,7 +393,9 @@ int wlcore_boot_run_firmware(struct wl1271 *wl)
loop = 0;
while (loop++ < INIT_LOOP) {
udelay(INIT_LOOP_DELAY);
intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR);
ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
if (ret < 0)
return ret;
if (intr == 0xffffffff) {
wl1271_error("error reading hardware complete "
@ -405,12 +417,17 @@ int wlcore_boot_run_firmware(struct wl1271 *wl)
}
/* get hardware config command mail box */
wl->cmd_box_addr = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR);
ret = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR, &wl->cmd_box_addr);
if (ret < 0)
return ret;
wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x", wl->cmd_box_addr);
/* get hardware config event mail box */
wl->mbox_ptr[0] = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR);
ret = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR, &wl->mbox_ptr[0]);
if (ret < 0)
return ret;
wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);
wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x",

9
drivers/net/wireless/ti/wlcore/cmd.c
View File

@ -79,7 +79,10 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR);
ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
if (ret < 0)
goto fail;
while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
if (time_after(jiffies, timeout)) {
wl1271_error("command complete timeout");
@ -93,7 +96,9 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
else
msleep(1);
intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR);
ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
if (ret < 0)
goto fail;
}
/* read back the status code of the command */

26
drivers/net/wireless/ti/wlcore/io.h
View File

@ -77,12 +77,19 @@ static inline int wlcore_raw_write_data(struct wl1271 *wl, int reg, void *buf,
return wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed);
}
static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr)
static inline int wlcore_raw_read32(struct wl1271 *wl, int addr, u32 *val)
{
wlcore_raw_read(wl, addr, &wl->buffer_32,
sizeof(wl->buffer_32), false);
int ret;
return le32_to_cpu(wl->buffer_32);
ret = wlcore_raw_read(wl, addr, &wl->buffer_32,
sizeof(wl->buffer_32), false);
if (ret < 0)
return ret;
if (val)
*val = le32_to_cpu(wl->buffer_32);
return 0;
}
static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val)
@ -138,9 +145,9 @@ static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr,
wlcore_raw_read(wl, physical, buf, len, fixed);
}
static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
static inline int wlcore_read32(struct wl1271 *wl, int addr, u32 *val)
{
return wl1271_raw_read32(wl, wlcore_translate_addr(wl, addr));
return wlcore_raw_read32(wl, wlcore_translate_addr(wl, addr), val);
}
static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
@ -148,10 +155,11 @@ static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
wl1271_raw_write32(wl, wlcore_translate_addr(wl, addr), val);
}
static inline u32 wlcore_read_reg(struct wl1271 *wl, int reg)
static inline int wlcore_read_reg(struct wl1271 *wl, int reg, u32 *val)
{
return wl1271_raw_read32(wl,
wlcore_translate_addr(wl, wl->rtable[reg]));
return wlcore_raw_read32(wl,
wlcore_translate_addr(wl, wl->rtable[reg]),
val);
}
static inline void wlcore_write_reg(struct wl1271 *wl, int reg, u32 val)

47
drivers/net/wireless/ti/wlcore/main.c
View File

@ -872,6 +872,32 @@ out:
kfree(block);
}
static void wlcore_print_recovery(struct wl1271 *wl)
{
u32 pc = 0;
u32 hint_sts = 0;
int ret;
wl1271_info("Hardware recovery in progress. FW ver: %s",
wl->chip.fw_ver_str);
/* change partitions momentarily so we can read the FW pc */
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc);
if (ret < 0)
return;
ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts);
if (ret < 0)
return;
wl1271_info("pc: 0x%x, hint_sts: 0x%08x", pc, hint_sts);
wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
}
static void wl1271_recovery_work(struct work_struct *work)
{
struct wl1271 *wl =
@ -886,14 +912,7 @@ static void wl1271_recovery_work(struct work_struct *work)
wl12xx_read_fwlog_panic(wl);
/* change partitions momentarily so we can read the FW pc */
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x "
"hint_sts: 0x%08x",
wl->chip.fw_ver_str,
wlcore_read_reg(wl, REG_PC_ON_RECOVERY),
wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR));
wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
wlcore_print_recovery(wl);
BUG_ON(bug_on_recovery &&
!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags));
@ -4979,18 +4998,22 @@ static int wl12xx_get_hw_info(struct wl1271 *wl)
if (ret < 0)
goto out;
wl->chip.id = wlcore_read_reg(wl, REG_CHIP_ID_B);
ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id);
if (ret < 0)
goto out;
wl->fuse_oui_addr = 0;
wl->fuse_nic_addr = 0;
wl->hw_pg_ver = wl->ops->get_pg_ver(wl);
ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver);
if (ret < 0)
goto out;
if (wl->ops->get_mac)
wl->ops->get_mac(wl);
ret = wl->ops->get_mac(wl);
wl1271_power_off(wl);
out:
wl1271_power_off(wl);
return ret;
}

4
drivers/net/wireless/ti/wlcore/wlcore.h
View File

@ -62,8 +62,8 @@ struct wlcore_ops {
int (*init_vif)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
u32 (*sta_get_ap_rate_mask)(struct wl1271 *wl,
struct wl12xx_vif *wlvif);
s8 (*get_pg_ver)(struct wl1271 *wl);
void (*get_mac)(struct wl1271 *wl);
int (*get_pg_ver)(struct wl1271 *wl, s8 *ver);
int (*get_mac)(struct wl1271 *wl);
void (*set_tx_desc_csum)(struct wl1271 *wl,
struct wl1271_tx_hw_descr *desc,
struct sk_buff *skb);