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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.c218
1 files changed, 117 insertions, 101 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 8228ef474a7..b7c96454cca 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -39,6 +39,14 @@ static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
.start = REGISTERS_BASE,
.size = 0x00008800
},
+ .mem2 = {
+ .start = 0x00000000,
+ .size = 0x00000000
+ },
+ .mem3 = {
+ .start = 0x00000000,
+ .size = 0x00000000
+ },
},
[PART_WORK] = {
@@ -48,7 +56,15 @@ static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
},
.reg = {
.start = REGISTERS_BASE,
- .size = 0x0000b000
+ .size = 0x0000a000
+ },
+ .mem2 = {
+ .start = 0x003004f8,
+ .size = 0x00000004
+ },
+ .mem3 = {
+ .start = 0x00040404,
+ .size = 0x00000000
},
},
@@ -60,6 +76,14 @@ static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
.reg = {
.start = DRPW_BASE,
.size = 0x00006000
+ },
+ .mem2 = {
+ .start = 0x00000000,
+ .size = 0x00000000
+ },
+ .mem3 = {
+ .start = 0x00000000,
+ .size = 0x00000000
}
}
};
@@ -69,19 +93,19 @@ 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_reg_read32(wl, ACX_REG_ECPU_CONTROL);
+ cpu_ctrl = wl1271_spi_read32(wl, ACX_REG_ECPU_CONTROL);
/* 10.5.1 run the firmware (II) */
cpu_ctrl |= flag;
- wl1271_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
+ wl1271_spi_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_mem_read(wl, wl->cmd_box_addr,
- &static_data, sizeof(static_data));
+ wl1271_spi_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));
@@ -93,8 +117,9 @@ static void wl1271_boot_fw_version(struct wl1271 *wl)
static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
size_t fw_data_len, u32 dest)
{
+ struct wl1271_partition_set partition;
int addr, chunk_num, partition_limit;
- u8 *p;
+ u8 *p, *chunk;
/* whal_FwCtrl_LoadFwImageSm() */
@@ -103,16 +128,20 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
wl1271_debug(DEBUG_BOOT, "fw_data_len %zd chunk_size %d",
fw_data_len, CHUNK_SIZE);
-
if ((fw_data_len % 4) != 0) {
wl1271_error("firmware length not multiple of four");
return -EIO;
}
- wl1271_set_partition(wl, dest,
- part_table[PART_DOWN].mem.size,
- part_table[PART_DOWN].reg.start,
- part_table[PART_DOWN].reg.size);
+ chunk = kmalloc(CHUNK_SIZE, GFP_KERNEL);
+ if (!chunk) {
+ wl1271_error("allocation for firmware upload chunk failed");
+ return -ENOMEM;
+ }
+
+ memcpy(&partition, &part_table[PART_DOWN], sizeof(partition));
+ partition.mem.start = dest;
+ wl1271_set_partition(wl, &partition);
/* 10.1 set partition limit and chunk num */
chunk_num = 0;
@@ -125,21 +154,17 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
addr = dest + chunk_num * CHUNK_SIZE;
partition_limit = chunk_num * CHUNK_SIZE +
part_table[PART_DOWN].mem.size;
-
- /* FIXME: Over 80 chars! */
- wl1271_set_partition(wl,
- addr,
- part_table[PART_DOWN].mem.size,
- part_table[PART_DOWN].reg.start,
- part_table[PART_DOWN].reg.size);
+ partition.mem.start = addr;
+ wl1271_set_partition(wl, &partition);
}
/* 10.3 upload the chunk */
addr = dest + chunk_num * CHUNK_SIZE;
p = buf + chunk_num * CHUNK_SIZE;
+ memcpy(chunk, p, CHUNK_SIZE);
wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
p, addr);
- wl1271_spi_mem_write(wl, addr, p, CHUNK_SIZE);
+ wl1271_spi_write(wl, addr, chunk, CHUNK_SIZE, false);
chunk_num++;
}
@@ -147,28 +172,31 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
/* 10.4 upload the last chunk */
addr = dest + chunk_num * CHUNK_SIZE;
p = buf + chunk_num * CHUNK_SIZE;
+ 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_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
+ wl1271_spi_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false);
+ kfree(chunk);
return 0;
}
static int wl1271_boot_upload_firmware(struct wl1271 *wl)
{
u32 chunks, addr, len;
+ int ret = 0;
u8 *fw;
fw = wl->fw;
- chunks = be32_to_cpup((u32 *) fw);
+ chunks = be32_to_cpup((__be32 *) fw);
fw += sizeof(u32);
wl1271_debug(DEBUG_BOOT, "firmware chunks to be uploaded: %u", chunks);
while (chunks--) {
- addr = be32_to_cpup((u32 *) fw);
+ addr = be32_to_cpup((__be32 *) fw);
fw += sizeof(u32);
- len = be32_to_cpup((u32 *) fw);
+ len = be32_to_cpup((__be32 *) fw);
fw += sizeof(u32);
if (len > 300000) {
@@ -177,11 +205,13 @@ static int wl1271_boot_upload_firmware(struct wl1271 *wl)
}
wl1271_debug(DEBUG_BOOT, "chunk %d addr 0x%x len %u",
chunks, addr, len);
- wl1271_boot_upload_firmware_chunk(wl, fw, len, addr);
+ ret = wl1271_boot_upload_firmware_chunk(wl, fw, len, addr);
+ if (ret != 0)
+ break;
fw += len;
}
- return 0;
+ return ret;
}
static int wl1271_boot_upload_nvs(struct wl1271 *wl)
@@ -235,7 +265,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
wl1271_debug(DEBUG_BOOT,
"nvs burst write 0x%x: 0x%x",
dest_addr, val);
- wl1271_reg_write32(wl, dest_addr, val);
+ wl1271_spi_write32(wl, dest_addr, val);
nvs_ptr += 4;
dest_addr += 4;
@@ -253,20 +283,18 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
/* FIXME: The driver sets the partition here, but this is not needed,
since it sets to the same one as currently in use */
/* Now we must set the partition correctly */
- wl1271_set_partition(wl,
- part_table[PART_WORK].mem.start,
- part_table[PART_WORK].mem.size,
- part_table[PART_WORK].reg.start,
- part_table[PART_WORK].reg.size);
+ 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;
/* 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_mem_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len);
+ wl1271_spi_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, false);
kfree(nvs_aligned);
return 0;
@@ -275,9 +303,9 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
static void wl1271_boot_enable_interrupts(struct wl1271 *wl)
{
enable_irq(wl->irq);
- wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
+ wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
- wl1271_reg_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
+ wl1271_spi_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
}
static int wl1271_boot_soft_reset(struct wl1271 *wl)
@@ -286,12 +314,13 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
u32 boot_data;
/* perform soft reset */
- wl1271_reg_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
+ wl1271_spi_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_reg_read32(wl, ACX_REG_SLV_SOFT_RESET);
+ boot_data = wl1271_spi_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;
@@ -307,10 +336,10 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
}
/* disable Rx/Tx */
- wl1271_reg_write32(wl, ENABLE, 0x0);
+ wl1271_spi_write32(wl, ENABLE, 0x0);
/* disable auto calibration on start*/
- wl1271_reg_write32(wl, SPARE_A2, 0xffff);
+ wl1271_spi_write32(wl, SPARE_A2, 0xffff);
return 0;
}
@@ -322,7 +351,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
- chip_id = wl1271_reg_read32(wl, CHIP_ID_B);
+ chip_id = wl1271_spi_read32(wl, CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id);
@@ -335,7 +364,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
loop = 0;
while (loop++ < INIT_LOOP) {
udelay(INIT_LOOP_DELAY);
- interrupt = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+ interrupt = wl1271_spi_read32(wl,
+ ACX_REG_INTERRUPT_NO_CLEAR);
if (interrupt == 0xffffffff) {
wl1271_error("error reading hardware complete "
@@ -344,30 +374,26 @@ 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_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
+ wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
WL1271_ACX_INTR_INIT_COMPLETE);
break;
}
}
- if (loop >= INIT_LOOP) {
+ if (loop > INIT_LOOP) {
wl1271_error("timeout waiting for the hardware to "
"complete initialization");
return -EIO;
}
/* get hardware config command mail box */
- wl->cmd_box_addr = wl1271_reg_read32(wl, REG_COMMAND_MAILBOX_PTR);
+ wl->cmd_box_addr = wl1271_spi_read32(wl, REG_COMMAND_MAILBOX_PTR);
/* get hardware config event mail box */
- wl->event_box_addr = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);
+ wl->event_box_addr = wl1271_spi_read32(wl, REG_EVENT_MAILBOX_PTR);
/* set the working partition to its "running" mode offset */
- wl1271_set_partition(wl,
- part_table[PART_WORK].mem.start,
- part_table[PART_WORK].mem.size,
- part_table[PART_WORK].reg.start,
- part_table[PART_WORK].reg.size);
+ wl1271_set_partition(wl, &part_table[PART_WORK]);
wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x",
wl->cmd_box_addr, wl->event_box_addr);
@@ -379,11 +405,10 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
* ready to receive event from the command mailbox
*/
- /* enable gpio interrupts */
- wl1271_boot_enable_interrupts(wl);
-
- /* unmask all mbox events */
- wl->event_mask = 0xffffffff;
+ /* unmask required mbox events */
+ wl->event_mask = BSS_LOSE_EVENT_ID |
+ SCAN_COMPLETE_EVENT_ID |
+ PS_REPORT_EVENT_ID;
ret = wl1271_event_unmask(wl);
if (ret < 0) {
@@ -399,34 +424,13 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
static int wl1271_boot_write_irq_polarity(struct wl1271 *wl)
{
- u32 polarity, status, i;
-
- wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY);
- wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_READ);
-
- /* Wait until the command is complete (ie. bit 18 is set) */
- for (i = 0; i < OCP_CMD_LOOP; i++) {
- polarity = wl1271_reg_read32(wl, OCP_DATA_READ);
- if (polarity & OCP_READY_MASK)
- break;
- }
- if (i == OCP_CMD_LOOP) {
- wl1271_error("OCP command timeout!");
- return -EIO;
- }
+ u32 polarity;
- status = polarity & OCP_STATUS_MASK;
- if (status != OCP_STATUS_OK) {
- wl1271_error("OCP command failed (%d)", status);
- return -EIO;
- }
+ polarity = wl1271_top_reg_read(wl, OCP_REG_POLARITY);
/* We use HIGH polarity, so unset the LOW bit */
polarity &= ~POLARITY_LOW;
-
- wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY);
- wl1271_reg_write32(wl, OCP_DATA_WRITE, polarity);
- wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_WRITE);
+ wl1271_top_reg_write(wl, OCP_REG_POLARITY, polarity);
return 0;
}
@@ -436,16 +440,32 @@ int wl1271_boot(struct wl1271 *wl)
int ret = 0;
u32 tmp, clk, pause;
- if (REF_CLOCK == 0 || REF_CLOCK == 2)
- /* ref clk: 19.2/38.4 */
+ if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4)
+ /* ref clk: 19.2/38.4/38.4-XTAL */
clk = 0x3;
else if (REF_CLOCK == 1 || REF_CLOCK == 3)
/* ref clk: 26/52 */
clk = 0x5;
- wl1271_reg_write32(wl, PLL_PARAMETERS, clk);
+ if (REF_CLOCK != 0) {
+ u16 val;
+ /* Set clock type */
+ val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE);
+ val &= FREF_CLK_TYPE_BITS;
+ val |= CLK_REQ_PRCM;
+ wl1271_top_reg_write(wl, OCP_REG_CLK_TYPE, val);
+ } else {
+ u16 val;
+ /* Set clock polarity */
+ val = wl1271_top_reg_read(wl, OCP_REG_CLK_POLARITY);
+ val &= FREF_CLK_POLARITY_BITS;
+ val |= CLK_REQ_OUTN_SEL;
+ wl1271_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
+ }
+
+ wl1271_spi_write32(wl, PLL_PARAMETERS, clk);
- pause = wl1271_reg_read32(wl, PLL_PARAMETERS);
+ pause = wl1271_spi_read32(wl, PLL_PARAMETERS);
wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
@@ -454,39 +474,31 @@ int wl1271_boot(struct wl1271 *wl)
* 0x3ff (magic number ). How does
* this work?! */
pause |= WU_COUNTER_PAUSE_VAL;
- wl1271_reg_write32(wl, WU_COUNTER_PAUSE, pause);
+ wl1271_spi_write32(wl, WU_COUNTER_PAUSE, pause);
/* Continue the ELP wake up sequence */
- wl1271_reg_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
+ wl1271_spi_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
udelay(500);
- wl1271_set_partition(wl,
- part_table[PART_DRPW].mem.start,
- part_table[PART_DRPW].mem.size,
- part_table[PART_DRPW].reg.start,
- part_table[PART_DRPW].reg.size);
+ wl1271_set_partition(wl, &part_table[PART_DRPW]);
/* Read-modify-write DRPW_SCRATCH_START register (see next state)
to be used by DRPw FW. The RTRIM value will be added by the FW
before taking DRPw out of reset */
wl1271_debug(DEBUG_BOOT, "DRPW_SCRATCH_START %08x", DRPW_SCRATCH_START);
- clk = wl1271_reg_read32(wl, DRPW_SCRATCH_START);
+ clk = wl1271_spi_read32(wl, DRPW_SCRATCH_START);
wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
/* 2 */
clk |= (REF_CLOCK << 1) << 4;
- wl1271_reg_write32(wl, DRPW_SCRATCH_START, clk);
+ wl1271_spi_write32(wl, DRPW_SCRATCH_START, clk);
- wl1271_set_partition(wl,
- part_table[PART_WORK].mem.start,
- part_table[PART_WORK].mem.size,
- part_table[PART_WORK].reg.start,
- part_table[PART_WORK].reg.size);
+ wl1271_set_partition(wl, &part_table[PART_WORK]);
/* Disable interrupts */
- wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
+ wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
ret = wl1271_boot_soft_reset(wl);
if (ret < 0)
@@ -501,21 +513,22 @@ int wl1271_boot(struct wl1271 *wl)
* ACX_EEPROMLESS_IND_REG */
wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
- wl1271_reg_write32(wl, ACX_EEPROMLESS_IND_REG, ACX_EEPROMLESS_IND_REG);
+ wl1271_spi_write32(wl, ACX_EEPROMLESS_IND_REG,
+ ACX_EEPROMLESS_IND_REG);
- tmp = wl1271_reg_read32(wl, CHIP_ID_B);
+ tmp = wl1271_spi_read32(wl, CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
/* 6. read the EEPROM parameters */
- tmp = wl1271_reg_read32(wl, SCR_PAD2);
+ tmp = wl1271_spi_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_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
+ wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
WL1271_ACX_ALL_EVENTS_VECTOR);
/* WL1271: The reference driver skips steps 7 to 10 (jumps directly
@@ -530,6 +543,9 @@ int wl1271_boot(struct wl1271 *wl)
if (ret < 0)
goto out;
+ /* Enable firmware interrupts now */
+ wl1271_boot_enable_interrupts(wl);
+
/* set the wl1271 default filters */
wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 02:51:37 +0000