forked from Minki/linux
mtd: OneNAND: Samsung SoCs use own chip_probe function
Samsung SoCs use own chip_probe function. Don't touch the memory configuration at probe time. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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@ -630,6 +630,12 @@ normal:
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return 0;
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}
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static int s5pc110_chip_probe(struct mtd_info *mtd)
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{
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/* Now just return 0 */
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return 0;
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}
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static int s3c_onenand_bbt_wait(struct mtd_info *mtd, int state)
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{
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unsigned int flags = INT_ACT | LOAD_CMP;
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@ -757,6 +763,7 @@ static void s3c_onenand_setup(struct mtd_info *mtd)
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/* Use generic onenand functions */
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onenand->cmd_map = s5pc1xx_cmd_map;
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this->read_bufferram = s5pc110_read_bufferram;
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this->chip_probe = s5pc110_chip_probe;
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return;
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} else {
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BUG();
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@ -781,7 +788,6 @@ static int s3c_onenand_probe(struct platform_device *pdev)
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struct mtd_info *mtd;
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struct resource *r;
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int size, err;
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unsigned long onenand_ctrl_cfg = 0;
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pdata = pdev->dev.platform_data;
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/* No need to check pdata. the platform data is optional */
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@ -900,14 +906,6 @@ static int s3c_onenand_probe(struct platform_device *pdev)
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}
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onenand->phys_base = onenand->base_res->start;
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onenand_ctrl_cfg = readl(onenand->dma_addr + 0x100);
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if ((onenand_ctrl_cfg & ONENAND_SYS_CFG1_SYNC_WRITE) &&
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onenand->dma_addr)
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writel(onenand_ctrl_cfg & ~ONENAND_SYS_CFG1_SYNC_WRITE,
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onenand->dma_addr + 0x100);
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else
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onenand_ctrl_cfg = 0;
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}
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if (onenand_scan(mtd, 1)) {
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@ -915,10 +913,7 @@ static int s3c_onenand_probe(struct platform_device *pdev)
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goto scan_failed;
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}
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if (onenand->type == TYPE_S5PC110) {
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if (onenand_ctrl_cfg && onenand->dma_addr)
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writel(onenand_ctrl_cfg, onenand->dma_addr + 0x100);
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} else {
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if (onenand->type != TYPE_S5PC110) {
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/* S3C doesn't handle subpage write */
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mtd->subpage_sft = 0;
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this->subpagesize = mtd->writesize;
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