From f9d0822cd1d8e9966c6b76f4d4f65d32abcef61e Mon Sep 17 00:00:00 2001 From: juhosg Date: Tue, 23 Oct 2007 12:31:13 +0000 Subject: [adm5120] fix flash driver, it should work on RB150 as well git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9418 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../adm5120/files/drivers/mtd/maps/adm5120-flash.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'target/linux/adm5120/files/drivers/mtd/maps') diff --git a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c index e07fb96d2..20f67d625 100644 --- a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c +++ b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c @@ -244,7 +244,7 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info, struct map_info *map = &info->amap.map; struct adm5120_flash_platform_data *pdata = dev->dev.platform_data; struct flash_desc *fdesc; - u32 t; + u32 t = 0; map->name = dev->dev.bus_id; @@ -255,12 +255,18 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info, fdesc = &flash_descs[dev->id]; - /* get memory window size */ - t = SW_READ_REG(MEMCTRL) >> fdesc->srs_shift; - t &= MEMCTRL_SRS_MASK; - info->amap.window_size = flash_sizes[t]; + if (pdata) + info->amap.window_size = pdata->window_size; + + if (info->amap.window_size == 0) { + /* get memory window size */ + t = SW_READ_REG(MEMCTRL) >> fdesc->srs_shift; + t &= MEMCTRL_SRS_MASK; + info->amap.window_size = flash_sizes[t]; + } + if (info->amap.window_size == 0) { - MAP_ERR(map, "invalid flash size detected\n"); + MAP_ERR(map, "unable to determine window size\n"); goto err_out; } -- cgit v1.2.3