Merge git://git.denx.de/u-boot-usb

[oweals/u-boot.git] / drivers / mtd / nand / atmel_nand_ecc.h

diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/atmel_nand_ecc.h
index 4732582e7fa2b24a6b7584813a73a3d4d8f7509d..b2d2682a8835235d1a48e2bf67817cf15f0c3eb3 100644 (file)
--- a/drivers/mtd/nand/atmel_nand_ecc.h
+++ b/drivers/mtd/nand/atmel_nand_ecc.h
@@ -2,10 +2,7 @@
  * Error Corrected Code Controller (ECC) - System peripherals regsters.
  * Based on AT91SAM9260 datasheet revision B.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef ATMEL_NAND_ECC_H
@@ -37,6 +34,9 @@
 #define pmecc_readl(addr, reg) \
        readl(&addr->reg)
 
+#define pmecc_readb(addr, reg) \
+       readb(&addr->reg)
+
 #define pmecc_writel(addr, reg, value) \
        writel((value), &addr->reg)
 
@@ -123,6 +123,20 @@ struct pmecc_errloc_regs {
        u32 sigma[25];  /* 0x28-0x88 Error Location Sigma Registers */
        u32 el[24];     /* 0x8C-0xE8 Error Location Registers */
        u32 reserved1[5];       /* 0xEC-0xFC Reserved */
+
+       /*
+        * 0x100-0x1F8:
+        *   Reserved for AT91SAM9X5, AT91SAM9N12.
+        *   HSMC registers for SAMA5D3, SAMA5D4.
+        */
+       u32 reserved2[63];
+
+       /*
+        * 0x1FC:
+        *   PMECC version for AT91SAM9X5, AT91SAM9N12.
+        *   HSMC version for SAMA5D3, SAMA5D4. Can refer as PMECC version.
+        */
+       u32 version;
 };
 
 /* For Error Location Configuration Register */
@@ -137,10 +151,20 @@ struct pmecc_errloc_regs {
 #define                PMERRLOC_ERR_NUM_MASK           (0x1f << 8)
 #define                PMERRLOC_CALC_DONE              (1 << 0)
 
+/* PMECC IP version */
+#define PMECC_VERSION_SAMA5D4                  0x113
+#define PMECC_VERSION_SAMA5D3                  0x112
+#define PMECC_VERSION_AT91SAM9N12              0x102
+#define PMECC_VERSION_AT91SAM9X5               0x101
+
 /* Galois field dimension */
 #define PMECC_GF_DIMENSION_13                  13
 #define PMECC_GF_DIMENSION_14                  14
 
+/* Primitive Polynomial used by PMECC */
+#define PMECC_GF_13_PRIMITIVE_POLY             0x201b
+#define PMECC_GF_14_PRIMITIVE_POLY             0x4443
+
 #define PMECC_INDEX_TABLE_SIZE_512             0x2000
 #define PMECC_INDEX_TABLE_SIZE_1024            0x4000