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path: root/drivers/net/wireless/wl12xx/wl1271_boot.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_boot.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_boot.c102
1 files changed, 48 insertions, 54 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index b7c96454cca3..2be76ee42bb9 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -27,6 +27,7 @@
#include "wl1271_reg.h"
#include "wl1271_boot.h"
#include "wl1271_spi.h"
+#include "wl1271_io.h"
#include "wl1271_event.h"
static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
@@ -93,19 +94,19 @@ static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag)
u32 cpu_ctrl;
/* 10.5.0 run the firmware (I) */
- cpu_ctrl = wl1271_spi_read32(wl, ACX_REG_ECPU_CONTROL);
+ cpu_ctrl = wl1271_read32(wl, ACX_REG_ECPU_CONTROL);
/* 10.5.1 run the firmware (II) */
cpu_ctrl |= flag;
- wl1271_spi_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
+ wl1271_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
}
static void wl1271_boot_fw_version(struct wl1271 *wl)
{
struct wl1271_static_data static_data;
- wl1271_spi_read(wl, wl->cmd_box_addr,
- &static_data, sizeof(static_data), false);
+ wl1271_read(wl, wl->cmd_box_addr, &static_data, sizeof(static_data),
+ false);
strncpy(wl->chip.fw_ver, static_data.fw_version,
sizeof(wl->chip.fw_ver));
@@ -164,7 +165,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
memcpy(chunk, p, CHUNK_SIZE);
wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
p, addr);
- wl1271_spi_write(wl, addr, chunk, CHUNK_SIZE, false);
+ wl1271_write(wl, addr, chunk, CHUNK_SIZE, false);
chunk_num++;
}
@@ -175,7 +176,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
memcpy(chunk, p, fw_data_len % CHUNK_SIZE);
wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x",
fw_data_len % CHUNK_SIZE, p, addr);
- wl1271_spi_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false);
+ wl1271_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false);
kfree(chunk);
return 0;
@@ -219,23 +220,14 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
size_t nvs_len, burst_len;
int i;
u32 dest_addr, val;
- u8 *nvs_ptr, *nvs, *nvs_aligned;
+ u8 *nvs_ptr, *nvs_aligned;
- nvs = wl->nvs;
- if (nvs == NULL)
+ if (wl->nvs == NULL)
return -ENODEV;
- nvs_ptr = nvs;
-
- nvs_len = wl->nvs_len;
-
- /* Update the device MAC address into the nvs */
- nvs[11] = wl->mac_addr[0];
- nvs[10] = wl->mac_addr[1];
- nvs[6] = wl->mac_addr[2];
- nvs[5] = wl->mac_addr[3];
- nvs[4] = wl->mac_addr[4];
- nvs[3] = wl->mac_addr[5];
+ /* only the first part of the NVS needs to be uploaded */
+ nvs_len = sizeof(wl->nvs->nvs);
+ nvs_ptr = (u8 *)wl->nvs->nvs;
/*
* Layout before the actual NVS tables:
@@ -265,7 +257,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
wl1271_debug(DEBUG_BOOT,
"nvs burst write 0x%x: 0x%x",
dest_addr, val);
- wl1271_spi_write32(wl, dest_addr, val);
+ wl1271_write32(wl, dest_addr, val);
nvs_ptr += 4;
dest_addr += 4;
@@ -277,7 +269,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
* is 7 bytes further.
*/
nvs_ptr += 7;
- nvs_len -= nvs_ptr - nvs;
+ nvs_len -= nvs_ptr - (u8 *)wl->nvs->nvs;
nvs_len = ALIGN(nvs_len, 4);
/* FIXME: The driver sets the partition here, but this is not needed,
@@ -286,15 +278,20 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
wl1271_set_partition(wl, &part_table[PART_WORK]);
/* Copy the NVS tables to a new block to ensure alignment */
- nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL);
- if (!nvs_aligned)
- return -ENOMEM;
+ /* FIXME: We jump 3 more bytes before uploading the NVS. It seems
+ that our NVS files have three extra zeros here. I'm not sure whether
+ the problem is in our NVS generation or we should really jumpt these
+ 3 bytes here */
+ nvs_ptr += 3;
+
+ nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL); if
+ (!nvs_aligned) return -ENOMEM;
/* And finally we upload the NVS tables */
/* FIXME: In wl1271, we upload everything at once.
No endianness handling needed here?! The ref driver doesn't do
anything about it at this point */
- wl1271_spi_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, false);
+ wl1271_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, false);
kfree(nvs_aligned);
return 0;
@@ -303,9 +300,9 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
static void wl1271_boot_enable_interrupts(struct wl1271 *wl)
{
enable_irq(wl->irq);
- wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
- WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
- wl1271_spi_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
+ wl1271_write32(wl, ACX_REG_INTERRUPT_MASK,
+ WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
+ wl1271_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
}
static int wl1271_boot_soft_reset(struct wl1271 *wl)
@@ -314,13 +311,12 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
u32 boot_data;
/* perform soft reset */
- wl1271_spi_write32(wl, ACX_REG_SLV_SOFT_RESET,
- ACX_SLV_SOFT_RESET_BIT);
+ wl1271_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
/* SOFT_RESET is self clearing */
timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME);
while (1) {
- boot_data = wl1271_spi_read32(wl, ACX_REG_SLV_SOFT_RESET);
+ boot_data = wl1271_read32(wl, ACX_REG_SLV_SOFT_RESET);
wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data);
if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0)
break;
@@ -336,10 +332,10 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
}
/* disable Rx/Tx */
- wl1271_spi_write32(wl, ENABLE, 0x0);
+ wl1271_write32(wl, ENABLE, 0x0);
/* disable auto calibration on start*/
- wl1271_spi_write32(wl, SPARE_A2, 0xffff);
+ wl1271_write32(wl, SPARE_A2, 0xffff);
return 0;
}
@@ -351,7 +347,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
- chip_id = wl1271_spi_read32(wl, CHIP_ID_B);
+ chip_id = wl1271_read32(wl, CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id);
@@ -364,8 +360,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
loop = 0;
while (loop++ < INIT_LOOP) {
udelay(INIT_LOOP_DELAY);
- interrupt = wl1271_spi_read32(wl,
- ACX_REG_INTERRUPT_NO_CLEAR);
+ interrupt = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
if (interrupt == 0xffffffff) {
wl1271_error("error reading hardware complete "
@@ -374,8 +369,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
}
/* check that ACX_INTR_INIT_COMPLETE is enabled */
else if (interrupt & WL1271_ACX_INTR_INIT_COMPLETE) {
- wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
- WL1271_ACX_INTR_INIT_COMPLETE);
+ wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
+ WL1271_ACX_INTR_INIT_COMPLETE);
break;
}
}
@@ -387,10 +382,10 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
}
/* get hardware config command mail box */
- wl->cmd_box_addr = wl1271_spi_read32(wl, REG_COMMAND_MAILBOX_PTR);
+ wl->cmd_box_addr = wl1271_read32(wl, REG_COMMAND_MAILBOX_PTR);
/* get hardware config event mail box */
- wl->event_box_addr = wl1271_spi_read32(wl, REG_EVENT_MAILBOX_PTR);
+ wl->event_box_addr = wl1271_read32(wl, REG_EVENT_MAILBOX_PTR);
/* set the working partition to its "running" mode offset */
wl1271_set_partition(wl, &part_table[PART_WORK]);
@@ -463,9 +458,9 @@ int wl1271_boot(struct wl1271 *wl)
wl1271_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
}
- wl1271_spi_write32(wl, PLL_PARAMETERS, clk);
+ wl1271_write32(wl, PLL_PARAMETERS, clk);
- pause = wl1271_spi_read32(wl, PLL_PARAMETERS);
+ pause = wl1271_read32(wl, PLL_PARAMETERS);
wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
@@ -474,10 +469,10 @@ int wl1271_boot(struct wl1271 *wl)
* 0x3ff (magic number ). How does
* this work?! */
pause |= WU_COUNTER_PAUSE_VAL;
- wl1271_spi_write32(wl, WU_COUNTER_PAUSE, pause);
+ wl1271_write32(wl, WU_COUNTER_PAUSE, pause);
/* Continue the ELP wake up sequence */
- wl1271_spi_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
+ wl1271_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
udelay(500);
wl1271_set_partition(wl, &part_table[PART_DRPW]);
@@ -487,18 +482,18 @@ int wl1271_boot(struct wl1271 *wl)
before taking DRPw out of reset */
wl1271_debug(DEBUG_BOOT, "DRPW_SCRATCH_START %08x", DRPW_SCRATCH_START);
- clk = wl1271_spi_read32(wl, DRPW_SCRATCH_START);
+ clk = wl1271_read32(wl, DRPW_SCRATCH_START);
wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
/* 2 */
clk |= (REF_CLOCK << 1) << 4;
- wl1271_spi_write32(wl, DRPW_SCRATCH_START, clk);
+ wl1271_write32(wl, DRPW_SCRATCH_START, clk);
wl1271_set_partition(wl, &part_table[PART_WORK]);
/* Disable interrupts */
- wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
+ wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
ret = wl1271_boot_soft_reset(wl);
if (ret < 0)
@@ -513,23 +508,22 @@ int wl1271_boot(struct wl1271 *wl)
* ACX_EEPROMLESS_IND_REG */
wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
- wl1271_spi_write32(wl, ACX_EEPROMLESS_IND_REG,
- ACX_EEPROMLESS_IND_REG);
+ wl1271_write32(wl, ACX_EEPROMLESS_IND_REG, ACX_EEPROMLESS_IND_REG);
- tmp = wl1271_spi_read32(wl, CHIP_ID_B);
+ tmp = wl1271_read32(wl, CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
/* 6. read the EEPROM parameters */
- tmp = wl1271_spi_read32(wl, SCR_PAD2);
+ tmp = wl1271_read32(wl, SCR_PAD2);
ret = wl1271_boot_write_irq_polarity(wl);
if (ret < 0)
goto out;
/* FIXME: Need to check whether this is really what we want */
- wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
- WL1271_ACX_ALL_EVENTS_VECTOR);
+ wl1271_write32(wl, ACX_REG_INTERRUPT_MASK,
+ WL1271_ACX_ALL_EVENTS_VECTOR);
/* WL1271: The reference driver skips steps 7 to 10 (jumps directly
* to upload_fw) */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.