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libertas: add support for Marvell SD8688 chip

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libertas: add support for Marvell SD8688 chip

Use RxPD->pkt_ptr to locate eth803 header in the packet
received since SD8688/v10 firmware allows a gap between
RxPD and eth803 header.

Set SDIO block size to 256 for CMD53.
The maximum block size for SD8688 WLAN function is set
to 512 in TPLFE_MAX_BLK_SIZE. But using 512 as block size
results upto 2K bytes data (4 blocks) being transferred
and causes buffer overflow in firmware.

Both changes above are backward compatible with earlier
firmware versions for SD8385/SD8686.

The SDIO_DEVICE_IDs for SD8688 chip are added in
include/linux/mmc/sdio_ids.h

Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bing Zhao
2009-04-06 15:50:56 -07:00
committed by John W. Linville
parent 87cbfd0688
commit e45d8e534b
5 changed files with 27 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/wireless/libertas/if_sdio.c
View File

@@ -48,8 +48,11 @@ static char *lbs_fw_name = NULL;
module_param_named(fw_name, lbs_fw_name, charp, 0644);
static const struct sdio_device_id if_sdio_ids[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_LIBERTAS) },
{ /* end: all zeroes */ },
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL,
SDIO_DEVICE_ID_MARVELL_LIBERTAS) },
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL,
SDIO_DEVICE_ID_MARVELL_8688WLAN) },
{ /* end: all zeroes */ },
};
MODULE_DEVICE_TABLE(sdio, if_sdio_ids);
@@ -73,6 +76,12 @@ static struct if_sdio_model if_sdio_models[] = {
.helper = "sd8686_helper.bin",
.firmware = "sd8686.bin",
},
{
/* 8688 */
.model = 0x10,
.helper = "sd8688_helper.bin",
.firmware = "sd8688.bin",
},
};
struct if_sdio_packet {
@@ -488,7 +497,7 @@ static int if_sdio_prog_helper(struct if_sdio_card *card)
ret = 0;
release:
sdio_set_block_size(card->func, 0);
sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
sdio_release_host(card->func);
kfree(chunk_buffer);
release_fw:
@@ -624,7 +633,7 @@ static int if_sdio_prog_real(struct if_sdio_card *card)
ret = 0;
release:
sdio_set_block_size(card->func, 0);
sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
sdio_release_host(card->func);
kfree(chunk_buffer);
release_fw: