OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mtd: nand: qcom: add bam property for QPIC NAND controller 

The current driver only supports EBI2 NAND controller which uses
ADM DMA. The latest QCOM SoC uses QPIC NAND controller with BAM
DMA. NAND registers and programming sequence are same for EBI2
and QPIC NAND so the same driver can support QPIC NAND also by
adding the BAM DMA support. This patch adds the is_bam in NAND
property which will be checked for determining the DMA engine type.

Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Abhishek Sahu 2017-08-11 17:09:18 +05:30 committed by Boris Brezillon
parent 58f1f22ac3
commit 8c5d5d6a0b
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/mtd/nand/qcom_nandc.c
View File

@ -328,9 +328,11 @@ struct qcom_nand_host {
* This data type corresponds to the NAND controller properties which varies
* among different NAND controllers.
* @ecc_modes - ecc mode for NAND
* @is_bam - whether NAND controller is using BAM
*/
struct qcom_nandc_props {
u32 ecc_modes;
bool is_bam;
};
static inline struct qcom_nand_host *to_qcom_nand_host(struct nand_chip *chip)
@ -2251,6 +2253,7 @@ static int qcom_nandc_remove(struct platform_device *pdev)
static const struct qcom_nandc_props ipq806x_nandc_props = {
.ecc_modes = (ECC_RS_4BIT | ECC_BCH_8BIT),
.is_bam = false,
};
/*