2 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ti-common/davinci_nand.h b/arch/arm/include/asm/ti-common/davinci_nand.h
new file mode 100644
index 0000000..11407be
--- /dev/null
+++ b/arch/arm/include/asm/ti-common/davinci_nand.h
@@ -0,0 +1,98 @@
+/*
+ * NAND Flash Driver
+ *
+ * Copyright (C) 2006-2014 Texas Instruments.
+ *
+ * Based on Linux DaVinci NAND driver by TI.
+ */
+
+#ifndef _DAVINCI_NAND_H_
+#define _DAVINCI_NAND_H_
+
+#include <linux/mtd/nand.h>
+#include <asm/arch/hardware.h>
+
+#define NAND_READ_START  	0x00
+#define NAND_READ_END    	0x30
+#define NAND_STATUS      	0x70
+
+#define MASK_CLE		0x10
+#define MASK_ALE		0x08
+
+#ifdef CONFIG_SYS_NAND_MASK_CLE
+#undef MASK_CLE
+#define MASK_CLE CONFIG_SYS_NAND_MASK_CLE
+#endif
+#ifdef CONFIG_SYS_NAND_MASK_ALE
+#undef MASK_ALE
+#define MASK_ALE CONFIG_SYS_NAND_MASK_ALE
+#endif
+
+struct davinci_emif_regs {
+	uint32_t	ercsr;
+	uint32_t	awccr;
+	uint32_t	sdbcr;
+	uint32_t	sdrcr;
+	union {
+		uint32_t abncr[4];
+		uint32_t ab1cr;
+		uint32_t ab2cr;
+		uint32_t ab3cr;
+		uint32_t ab4cr;
+	};
+	uint32_t	sdtimr;
+	uint32_t	ddrsr;
+	uint32_t	ddrphycr;
+	uint32_t	ddrphysr;
+	uint32_t	totar;
+	uint32_t	totactr;
+	uint32_t	ddrphyid_rev;
+	uint32_t	sdsretr;
+	uint32_t	eirr;
+	uint32_t	eimr;
+	uint32_t	eimsr;
+	uint32_t	eimcr;
+	uint32_t	ioctrlr;
+	uint32_t	iostatr;
+	uint32_t	rsvd0;
+	uint32_t	one_nand_cr;
+	uint32_t	nandfcr;
+	uint32_t	nandfsr;
+	uint32_t	rsvd1[2];
+	uint32_t	nandfecc[4];
+	uint32_t	rsvd2[15];
+	uint32_t	nand4biteccload;
+	uint32_t	nand4bitecc[4];
+	uint32_t	nanderradd1;
+	uint32_t	nanderradd2;
+	uint32_t	nanderrval1;
+	uint32_t	nanderrval2;
+};
+
+#define davinci_emif_regs \
+	((struct davinci_emif_regs *)DAVINCI_ASYNC_EMIF_CNTRL_BASE)
+
+#define DAVINCI_NANDFCR_NAND_ENABLE(n)			(1 << ((n) - 2))
+#define DAVINCI_NANDFCR_4BIT_ECC_SEL_MASK		(3 << 4)
+#define DAVINCI_NANDFCR_4BIT_ECC_SEL(n)			(((n) - 2) << 4)
+#define DAVINCI_NANDFCR_1BIT_ECC_START(n)		(1 << (8 + ((n) - 2)))
+#define DAVINCI_NANDFCR_4BIT_ECC_START			(1 << 12)
+#define DAVINCI_NANDFCR_4BIT_CALC_START			(1 << 13)
+#define DAVINCI_NANDFCR_CS2NAND				(1 << 0)
+
+/* Chip Select setup */
+#define DAVINCI_ABCR_STROBE_SELECT			(1 << 31)
+#define DAVINCI_ABCR_EXT_WAIT				(1 << 30)
+#define DAVINCI_ABCR_WSETUP(n)				(n << 26)
+#define DAVINCI_ABCR_WSTROBE(n)				(n << 20)
+#define DAVINCI_ABCR_WHOLD(n)				(n << 17)
+#define DAVINCI_ABCR_RSETUP(n)				(n << 13)
+#define DAVINCI_ABCR_RSTROBE(n)				(n << 7)
+#define DAVINCI_ABCR_RHOLD(n)				(n << 4)
+#define DAVINCI_ABCR_TA(n)				(n << 2)
+#define DAVINCI_ABCR_ASIZE_16BIT			1
+#define DAVINCI_ABCR_ASIZE_8BIT				0
+
+void davinci_nand_init(struct nand_chip *nand);
+
+#endif
diff --git a/arch/arm/include/asm/ti-common/ti-aemif.h b/arch/arm/include/asm/ti-common/ti-aemif.h
new file mode 100644
index 0000000..4a311d4
--- /dev/null
+++ b/arch/arm/include/asm/ti-common/ti-aemif.h
@@ -0,0 +1,39 @@
+/*
+ * AEMIF definitions
+ *
+ * (C) Copyright 2012-2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _AEMIF_H_
+#define _AEMIF_H_
+
+#define AEMIF_NUM_CS               4
+#define AEMIF_MODE_NOR             0
+#define AEMIF_MODE_NAND            1
+#define AEMIF_MODE_ONENAND         2
+#define AEMIF_PRESERVE             -1
+
+struct aemif_config {
+	unsigned mode;
+	unsigned select_strobe;
+	unsigned extend_wait;
+	unsigned wr_setup;
+	unsigned wr_strobe;
+	unsigned wr_hold;
+	unsigned rd_setup;
+	unsigned rd_strobe;
+	unsigned rd_hold;
+	unsigned turn_around;
+	enum {
+		AEMIF_WIDTH_8	= 0,
+		AEMIF_WIDTH_16	= 1,
+		AEMIF_WIDTH_32	= 2,
+	} width;
+};
+
+void aemif_init(int num_cs, struct aemif_config *config);
+
+#endif