sam3 nand driver: initial ECC implementation.

[bertos.git] / bertos / cpu / cortex-m3 / drv / mt29f_sam3.h

diff --git a/bertos/cpu/cortex-m3/drv/mt29f_sam3.h b/bertos/cpu/cortex-m3/drv/mt29f_sam3.h
index 06a582baf705124657e51a6e8b0a5347b8875e0f..284d937b1942ba52bca08d12dff2cfcf98f1cfc0 100644 (file)
--- a/bertos/cpu/cortex-m3/drv/mt29f_sam3.h
+++ b/bertos/cpu/cortex-m3/drv/mt29f_sam3.h
@@ -42,9 +42,12 @@
 
 
 // MT29F2G08AAD, FIXME: configurable
-#define MT29F_PAGE_SIZE   0x800       // 2048 B
+#define MT29F_DATA_SIZE   0x800       // 2048 B
+#define MT29F_SPARE_SIZE  0x40        // 64 B
+#define MT29F_PAGE_SIZE   (MT29F_DATA_SIZE + MT29F_SPARE_SIZE)
 #define MT29F_BLOCK_SIZE  0x20000     // 128 kB
 #define MT29F_SIZE        0x10000000  // 256 MB
+#define MT29F_ECC_NWORDS  (MT29F_DATA_SIZE / 256)
 #define MT29F_CSID        NFC_CMD_CSID_0  // Chip select
 
 /*
@@ -61,8 +64,8 @@
 #define MT29F_PINS_PORTC    (MT29F_PIN_OE | MT29F_PIN_WE | MT29F_PIN_IO)
 #define MT29F_PERIPH_PORTC  PIO_PERIPH_A
 
-#define MT29F_PIN_CLE       BV(22)
-#define MT29F_PIN_ALE       BV(21)
+#define MT29F_PIN_CLE       BV(9)
+#define MT29F_PIN_ALE       BV(8)
 #define MT29F_PINS_PORTD    (MT29F_PIN_CLE | MT29F_PIN_ALE)
 #define MT29F_PERIPH_PORTD  PIO_PERIPH_A