[MTD NAND] s3c2412 support in s3c2410.c

Add support for both the S3C2412 and S3C2412 Samsung SoCs to
the increasingly mis-named s3c2410.c driver.

This currently only supports SLC ECCs, and a chip on nFCE0.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 47 insertions, 1 deletions

diff --git a/include/asm-arm/arch-s3c2410/regs-nand.h b/include/asm-arm/arch-s3c2410/regs-nand.h
index 7cff235e667a..c1470c695c33 100644
--- a/include/asm-arm/arch-s3c2410/regs-nand.h
+++ b/include/asm-arm/arch-s3c2410/regs-nand.h
@@ -39,10 +39,19 @@
 #define S3C2440_NFESTAT1 S3C2410_NFREG(0x28)
 #define S3C2440_NFMECC0  S3C2410_NFREG(0x2C)
 #define S3C2440_NFMECC1  S3C2410_NFREG(0x30)
-#define S3C2440_NFSECC   S3C2410_NFREG(0x34)
+#define S3C2440_NFSECC   S3C24E10_NFREG(0x34)
 #define S3C2440_NFSBLK   S3C2410_NFREG(0x38)
 #define S3C2440_NFEBLK   S3C2410_NFREG(0x3C)
 
+#define S3C2412_NFSBLK          S3C2410_NFREG(0x20)
+#define S3C2412_NFEBLK          S3C2410_NFREG(0x24)
+#define S3C2412_NFSTAT          S3C2410_NFREG(0x28)
+#define S3C2412_NFMECC_ERR0     S3C2410_NFREG(0x2C)
+#define S3C2412_NFMECC_ERR1     S3C2410_NFREG(0x30)
+#define S3C2412_NFMECC0         S3C2410_NFREG(0x34)
+#define S3C2412_NFMECC1         S3C2410_NFREG(0x38)
+#define S3C2412_NFSECC          S3C2410_NFREG(0x3C)
+
 #define S3C2410_NFCONF_EN          (1<<15)
 #define S3C2410_NFCONF_512BYTE     (1<<14)
 #define S3C2410_NFCONF_4STEP       (1<<13)
@@ -77,5 +86,42 @@
 #define S3C2440_NFSTAT_RnB_CHANGE       (1<<2)
 #define S3C2440_NFSTAT_ILLEGAL_ACCESS   (1<<3)
 
+#define S3C2412_NFCONF_NANDBOOT         (1<<31)
+#define S3C2412_NFCONF_ECCCLKCON        (1<<30)
+#define S3C2412_NFCONF_ECC_MLC          (1<<24)
+#define S3C2412_NFCONF_TACLS_MASK       (7<<12) /* 1 extra bit of Tacls */
+
+#define S3C2412_NFCONT_ECC4_DIRWR       (1<<18)
+#define S3C2412_NFCONT_LOCKTIGHT        (1<<17)
+#define S3C2412_NFCONT_SOFTLOCK         (1<<16)
+#define S3C2412_NFCONT_ECC4_ENCINT      (1<<13)
+#define S3C2412_NFCONT_ECC4_DECINT      (1<<12)
+#define S3C2412_NFCONT_MAIN_ECC_LOCK    (1<<7)
+#define S3C2412_NFCONT_INIT_MAIN_ECC    (1<<5)
+#define S3C2412_NFCONT_nFCE1            (1<<2)
+#define S3C2412_NFCONT_nFCE0            (1<<1)
+
+#define S3C2412_NFSTAT_ECC_ENCDONE      (1<<7)
+#define S3C2412_NFSTAT_ECC_DECDONE      (1<<6)
+#define S3C2412_NFSTAT_ILLEGAL_ACCESS   (1<<5)
+#define S3C2412_NFSTAT_RnB_CHANGE       (1<<4)
+#define S3C2412_NFSTAT_nFCE1            (1<<3)
+#define S3C2412_NFSTAT_nFCE0            (1<<2)
+#define S3C2412_NFSTAT_Res1             (1<<1)
+#define S3C2412_NFSTAT_READY            (1<<0)
+
+#define S3C2412_NFECCERR_SERRDATA(x)    (((x) >> 21) & 0xf)
+#define S3C2412_NFECCERR_SERRBIT(x)     (((x) >> 18) & 0x7)
+#define S3C2412_NFECCERR_MERRDATA(x)    (((x) >> 7) & 0x3ff)
+#define S3C2412_NFECCERR_MERRBIT(x)     (((x) >> 4) & 0x7)
+#define S3C2412_NFECCERR_SPARE_ERR(x)   (((x) >> 2) & 0x3)
+#define S3C2412_NFECCERR_MAIN_ERR(x)    (((x) >> 2) & 0x3)
+#define S3C2412_NFECCERR_NONE           (0)
+#define S3C2412_NFECCERR_1BIT           (1)
+#define S3C2412_NFECCERR_MULTIBIT       (2)
+#define S3C2412_NFECCERR_ECCAREA        (3)
+
+
+
 #endif /* __ASM_ARM_REGS_NAND */