Commit 451de97a authored by Juuso Oikarinen's avatar Juuso Oikarinen Committed by John W. Linville
Browse files

wl1271: Update memory mapping for firmware revision 6.1.0.0.241



Update the memory regions and memory mapping to support firmware revision
6.1.0.0.241.
Signed-off-by: default avatarJuuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: default avatarLuciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: default avatarLuciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 37079a83
......@@ -148,6 +148,8 @@ struct wl1271_partition {
struct wl1271_partition_set {
struct wl1271_partition mem;
struct wl1271_partition reg;
struct wl1271_partition mem2;
struct wl1271_partition mem3;
};
struct wl1271;
......@@ -302,10 +304,7 @@ struct wl1271 {
enum wl1271_state state;
struct mutex mutex;
int physical_mem_addr;
int physical_reg_addr;
int virtual_mem_addr;
int virtual_reg_addr;
struct wl1271_partition_set part;
struct wl1271_chip chip;
......
......@@ -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
}
}
};
......@@ -93,6 +117,7 @@ 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, *chunk;
......@@ -114,10 +139,9 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
return -ENOMEM;
}
wl1271_set_partition(wl, dest,
part_table[PART_DOWN].mem.size,
part_table[PART_DOWN].reg.start,
part_table[PART_DOWN].reg.size);
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;
......@@ -130,13 +154,8 @@ 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 */
......@@ -261,11 +280,7 @@ 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);
......@@ -371,11 +386,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
wl->event_box_addr = wl1271_reg_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);
......@@ -469,11 +480,7 @@ int wl1271_boot(struct wl1271 *wl)
wl1271_reg_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
......@@ -488,11 +495,7 @@ int wl1271_boot(struct wl1271 *wl)
clk |= (REF_CLOCK << 1) << 4;
wl1271_reg_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);
......
......@@ -315,6 +315,7 @@ static int wl1271_setup(struct wl1271 *wl)
static int wl1271_chip_wakeup(struct wl1271 *wl)
{
struct wl1271_partition_set partition;
int ret = 0;
wl1271_power_on(wl);
......@@ -324,11 +325,10 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
/* We don't need a real memory partition here, because we only want
* to use the registers at this point. */
wl1271_set_partition(wl,
0x00000000,
0x00000000,
REGISTERS_BASE,
REGISTERS_DOWN_SIZE);
memset(&partition, 0, sizeof(partition));
partition.reg.start = REGISTERS_BASE;
partition.reg.size = REGISTERS_DOWN_SIZE;
wl1271_set_partition(wl, &partition);
/* ELP module wake up */
wl1271_fw_wakeup(wl);
......
......@@ -30,17 +30,29 @@
#include "wl12xx_80211.h"
#include "wl1271_spi.h"
static int wl1271_translate_reg_addr(struct wl1271 *wl, int addr)
static int wl1271_translate_addr(struct wl1271 *wl, int addr)
{
return addr - wl->physical_reg_addr + wl->virtual_reg_addr;
}
static int wl1271_translate_mem_addr(struct wl1271 *wl, int addr)
{
return addr - wl->physical_mem_addr + wl->virtual_mem_addr;
/*
* To translate, first check to which window of addresses the
* particular address belongs. Then subtract the starting address
* of that window from the address. Then, add offset of the
* translated region.
*
* The translated regions occur next to each other in physical device
* memory, so just add the sizes of the preceeding address regions to
* get the offset to the new region.
*
* Currently, only the two first regions are addressed, and the
* assumption is that all addresses will fall into either of those
* two.
*/
if ((addr >= wl->part.reg.start) &&
(addr < wl->part.reg.start + wl->part.reg.size))
return addr - wl->part.reg.start + wl->part.mem.size;
else
return addr - wl->part.mem.start;
}
void wl1271_spi_reset(struct wl1271 *wl)
{
u8 *cmd;
......@@ -123,123 +135,61 @@ void wl1271_spi_init(struct wl1271 *wl)
/* Set the SPI partitions to access the chip addresses
*
* There are two VIRTUAL (SPI) partitions (the memory partition and the
* registers partition), which are mapped to two different areas of the
* PHYSICAL (hardware) memory. This function also makes other checks to
* ensure that the partitions are not overlapping. In the diagram below, the
* memory partition comes before the register partition, but the opposite is
* also supported.
* To simplify driver code, a fixed (virtual) memory map is defined for
* register and memory addresses. Because in the chipset, in different stages
* of operation, those addresses will move around, an address translation
* mechanism is required.
*
* PHYSICAL address
* There are four partitions (three memory and one register partition),
* which are mapped to two different areas of the hardware memory.
*
* Virtual address
* space
*
* | |
* ...+----+--> mem_start
* VIRTUAL address ... | |
* ...+----+--> mem.start
* Physical address ... | |
* space ... | | [PART_0]
* ... | |
* 0x00000000 <--+----+... ...+----+--> mem_start + mem_size
* 00000000 <--+----+... ...+----+--> mem.start + mem.size
* | | ... | |
* |MEM | ... | |
* | | ... | |
* part_size <--+----+... | | {unused area)
* mem.size <--+----+... | | {unused area)
* | | ... | |
* |REG | ... | |
* part_size | | ... | |
* + <--+----+... ...+----+--> reg_start
* reg_size ... | |
* ... | | [PART_1]
* ... | |
* ...+----+--> reg_start + reg_size
* mem.size | | ... | |
* + <--+----+... ...+----+--> reg.start
* reg.size | | ... | |
* |MEM2| ... | | [PART_1]
* | | ... | |
* ...+----+--> reg.start + reg.size
* | |
*
*/
int wl1271_set_partition(struct wl1271 *wl,
u32 mem_start, u32 mem_size,
u32 reg_start, u32 reg_size)
struct wl1271_partition_set *p)
{
struct wl1271_partition *partition;
struct spi_transfer t;
struct spi_message m;
size_t len, cmd_len;
u32 *cmd;
int addr;
cmd_len = sizeof(u32) + 2 * sizeof(struct wl1271_partition);
cmd = kzalloc(cmd_len, GFP_KERNEL);
if (!cmd)
return -ENOMEM;
spi_message_init(&m);
memset(&t, 0, sizeof(t));
partition = (struct wl1271_partition *) (cmd + 1);
addr = HW_ACCESS_PART0_SIZE_ADDR;
len = 2 * sizeof(struct wl1271_partition);
*cmd |= WSPI_CMD_WRITE;
*cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH;
*cmd |= addr & WSPI_CMD_BYTE_ADDR;
/* copy partition info */
memcpy(&wl->part, p, sizeof(*p));
wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
mem_start, mem_size);
p->mem.start, p->mem.size);
wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
reg_start, reg_size);
/* Make sure that the two partitions together don't exceed the
* address range */
if ((mem_size + reg_size) > HW_ACCESS_MEMORY_MAX_RANGE) {
wl1271_debug(DEBUG_SPI, "Total size exceeds maximum virtual"
" address range. Truncating partition[0].");
mem_size = HW_ACCESS_MEMORY_MAX_RANGE - reg_size;
wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
mem_start, mem_size);
wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
reg_start, reg_size);
}
if ((mem_start < reg_start) &&
((mem_start + mem_size) > reg_start)) {
/* Guarantee that the memory partition doesn't overlap the
* registers partition */
wl1271_debug(DEBUG_SPI, "End of partition[0] is "
"overlapping partition[1]. Adjusted.");
mem_size = reg_start - mem_start;
wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
mem_start, mem_size);
wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
reg_start, reg_size);
} else if ((reg_start < mem_start) &&
((reg_start + reg_size) > mem_start)) {
/* Guarantee that the register partition doesn't overlap the
* memory partition */
wl1271_debug(DEBUG_SPI, "End of partition[1] is"
" overlapping partition[0]. Adjusted.");
reg_size = mem_start - reg_start;
wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
mem_start, mem_size);
wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
reg_start, reg_size);
}
partition[0].start = mem_start;
partition[0].size = mem_size;
partition[1].start = reg_start;
partition[1].size = reg_size;
wl->physical_mem_addr = mem_start;
wl->physical_reg_addr = reg_start;
wl->virtual_mem_addr = 0;
wl->virtual_reg_addr = mem_size;
t.tx_buf = cmd;
t.len = cmd_len;
spi_message_add_tail(&t, &m);
spi_sync(wl->spi, &m);
kfree(cmd);
p->reg.start, p->reg.size);
wl1271_debug(DEBUG_SPI, "mem2_start %08X mem2_size %08X",
p->mem2.start, p->mem2.size);
wl1271_debug(DEBUG_SPI, "mem3_start %08X mem3_size %08X",
p->mem3.start, p->mem3.size);
/* write partition info to the chipset */
wl1271_write32(wl, HW_PART0_START_ADDR, p->mem.start);
wl1271_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size);
wl1271_write32(wl, HW_PART1_START_ADDR, p->reg.start);
wl1271_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size);
wl1271_write32(wl, HW_PART2_START_ADDR, p->mem2.start);
wl1271_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size);
wl1271_write32(wl, HW_PART3_START_ADDR, p->mem3.start);
return 0;
}
......@@ -391,7 +341,7 @@ void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf,
{
int physical;
physical = wl1271_translate_mem_addr(wl, addr);
physical = wl1271_translate_addr(wl, addr);
wl1271_spi_read(wl, physical, buf, len, false);
}
......@@ -401,7 +351,7 @@ void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf,
{
int physical;
physical = wl1271_translate_mem_addr(wl, addr);
physical = wl1271_translate_addr(wl, addr);
wl1271_spi_write(wl, physical, buf, len, false);
}
......@@ -411,7 +361,7 @@ void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len,
{
int physical;
physical = wl1271_translate_reg_addr(wl, addr);
physical = wl1271_translate_addr(wl, addr);
wl1271_spi_read(wl, physical, buf, len, fixed);
}
......@@ -421,27 +371,27 @@ void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len,
{
int physical;
physical = wl1271_translate_reg_addr(wl, addr);
physical = wl1271_translate_addr(wl, addr);
wl1271_spi_write(wl, physical, buf, len, fixed);
}
u32 wl1271_mem_read32(struct wl1271 *wl, int addr)
{
return wl1271_read32(wl, wl1271_translate_mem_addr(wl, addr));
return wl1271_read32(wl, wl1271_translate_addr(wl, addr));
}
void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val)
{
wl1271_write32(wl, wl1271_translate_mem_addr(wl, addr), val);
wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
}
u32 wl1271_reg_read32(struct wl1271 *wl, int addr)
{
return wl1271_read32(wl, wl1271_translate_reg_addr(wl, addr));
return wl1271_read32(wl, wl1271_translate_addr(wl, addr));
}
void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val)
{
wl1271_write32(wl, wl1271_translate_reg_addr(wl, addr), val);
wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
}
......@@ -29,10 +29,14 @@
#define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0
#define HW_ACCESS_PART0_SIZE_ADDR 0x1FFC0
#define HW_ACCESS_PART0_START_ADDR 0x1FFC4
#define HW_ACCESS_PART1_SIZE_ADDR 0x1FFC8
#define HW_ACCESS_PART1_START_ADDR 0x1FFCC
#define HW_PARTITION_REGISTERS_ADDR 0x1ffc0
#define HW_PART0_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR)
#define HW_PART0_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 4)
#define HW_PART1_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 8)
#define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12)
#define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16)
#define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20)
#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 24)
#define HW_ACCESS_REGISTER_SIZE 4
......@@ -92,8 +96,7 @@ void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val);
void wl1271_spi_reset(struct wl1271 *wl);
void wl1271_spi_init(struct wl1271 *wl);
int wl1271_set_partition(struct wl1271 *wl,
u32 part_start, u32 part_size,
u32 reg_start, u32 reg_size);
struct wl1271_partition_set *p);
static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
{
......
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