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-rw-r--r--arch/arm/include/asm/ti-common/davinci_nand.h98
-rw-r--r--arch/arm/include/asm/ti-common/ti-aemif.h39
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