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authorArnd Bergmann <arnd@arndb.de>2011-11-23 20:47:41 +0000
committerArnd Bergmann <arnd@arndb.de>2011-11-23 20:47:41 +0000
commit58a273745fbb2fbd01d26e7a60f0acc8c1d99469 (patch)
treebc16200f3b6ea150b298422754e32959eaa339bc /arch/arm/plat-pxa
parent951c486f62490e032da0ad17e93270b0cfb6687f (diff)
parent0116da4fcc1ae8a80d9002441e98768f2a6fa2fe (diff)
Merge branches 'drivers/macb-gem' and 'drivers/pxa-gpio' into next/drivers
Diffstat (limited to 'arch/arm/plat-pxa')
-rw-r--r--arch/arm/plat-pxa/include/plat/pxa3xx_nand.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
index 442301fe48b4..c42f39f20195 100644
--- a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
+++ b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
@@ -41,6 +41,19 @@ struct pxa3xx_nand_flash {
struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
};
+/*
+ * Current pxa3xx_nand controller has two chip select which
+ * both be workable.
+ *
+ * Notice should be taken that:
+ * When you want to use this feature, you should not enable the
+ * keep configuration feature, for two chip select could be
+ * attached with different nand chip. The different page size
+ * and timing requirement make the keep configuration impossible.
+ */
+
+/* The max num of chip select current support */
+#define NUM_CHIP_SELECT (2)
struct pxa3xx_nand_platform_data {
/* the data flash bus is shared between the Static Memory
@@ -52,8 +65,11 @@ struct pxa3xx_nand_platform_data {
/* allow platform code to keep OBM/bootloader defined NFC config */
int keep_config;
- const struct mtd_partition *parts;
- unsigned int nr_parts;
+ /* indicate how many chip selects will be used */
+ int num_cs;
+
+ const struct mtd_partition *parts[NUM_CHIP_SELECT];
+ unsigned int nr_parts[NUM_CHIP_SELECT];
const struct pxa3xx_nand_flash * flash;
size_t num_flash;