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mtd: fsmc: use ALE and CLE offsets from platform data

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ALE and CLE offsets can be different on different devices. Let devices
pass these offsets to the fsmc driver through platform data.

Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Shiraz Hashim 2012-03-07 17:00:51 +05:30 committed by David Woodhouse
parent e29ee57b1d
commit b2acc92e14
2 changed files with 10 additions and 4 deletions
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9
drivers/mtd/nand/fsmc_nand.c
View File

@ -729,27 +729,28 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
goto err_probe1; goto err_probe1;
} }
host->resaddr = request_mem_region(res->start + PLAT_NAND_ALE, host->resaddr = request_mem_region(res->start + pdata->ale_off,
resource_size(res), pdev->name); resource_size(res), pdev->name);
if (!host->resaddr) { if (!host->resaddr) {
ret = -EIO; ret = -EIO;
goto err_probe1; goto err_probe1;
} }
host->addr_va = ioremap(res->start + PLAT_NAND_ALE, resource_size(res)); host->addr_va = ioremap(res->start + pdata->ale_off,
resource_size(res));
if (!host->addr_va) { if (!host->addr_va) {
ret = -EIO; ret = -EIO;
goto err_probe1; goto err_probe1;
} }
host->rescmd = request_mem_region(res->start + PLAT_NAND_CLE, host->rescmd = request_mem_region(res->start + pdata->cle_off,
resource_size(res), pdev->name); resource_size(res), pdev->name);
if (!host->rescmd) { if (!host->rescmd) {
ret = -EIO; ret = -EIO;
goto err_probe1; goto err_probe1;
} }
host->cmd_va = ioremap(res->start + PLAT_NAND_CLE, resource_size(res)); host->cmd_va = ioremap(res->start + pdata->cle_off, resource_size(res));
if (!host->cmd_va) { if (!host->cmd_va) {
ret = -EIO; ret = -EIO;
goto err_probe1; goto err_probe1;

5
include/linux/mtd/fsmc.h
View File

@ -151,6 +151,11 @@ struct fsmc_nand_platform_data {
unsigned int options; unsigned int options;
unsigned int width; unsigned int width;
unsigned int bank; unsigned int bank;
/* CLE, ALE offsets */
unsigned long cle_off;
unsigned long ale_off;
void (*select_bank)(uint32_t bank, uint32_t busw); void (*select_bank)(uint32_t bank, uint32_t busw);
}; };