mtd: nand: support GPMI NAND driver for i.MX8

enable the GPMI NAND driver for i.MX8, i.MX8 use similar controller as
i.MX8M

- register definition for i.mx8
- DMA structure must be 32bit address

Signed-off-by: Peng Fan <peng.fan@nxp.com>

3 files changed, 15 insertions, 14 deletions

diff --git a/arch/arm/include/asm/mach-imx/dma.h b/arch/arm/include/asm/mach-imx/dma.h
index cb73aae..247a91a 100644
--- a/arch/arm/include/asm/mach-imx/dma.h
+++ b/arch/arm/include/asm/mach-imx/dma.h
@@ -7,6 +7,7 @@
  *
  * Based on code from LTIB:
  * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2020 NXP
  */
 
 #ifndef __DMA_H__
@@ -53,7 +54,7 @@ enum {
 	MXS_DMA_CHANNEL_AHB_APBH_RESERVED1,
 	MXS_MAX_DMA_CHANNELS,
 };
-#elif (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+#else
 enum {
 	MXS_DMA_CHANNEL_AHB_APBH_GPMI0 = 0,
 	MXS_DMA_CHANNEL_AHB_APBH_GPMI1,
@@ -95,13 +96,13 @@ enum {
 #define	MXS_DMA_DESC_BYTES_OFFSET	16
 
 struct mxs_dma_cmd {
-	unsigned long		next;
-	unsigned long		data;
+	u32		next;
+	u32		data;
 	union {
-		dma_addr_t	address;
-		unsigned long	alternate;
+		u32	address;
+		u32	alternate;
 	};
-	unsigned long		pio_words[DMA_PIO_WORDS];
+	u32		pio_words[DMA_PIO_WORDS];
 };
 
 /*
@@ -117,7 +118,7 @@ struct mxs_dma_cmd {
 struct mxs_dma_desc {
 	struct mxs_dma_cmd	cmd;
 	unsigned int		flags;
-	dma_addr_t		address;
+	u32			address;
 	void			*buffer;
 	struct list_head	node;
 } __aligned(MXS_DMA_ALIGNMENT);
diff --git a/arch/arm/include/asm/mach-imx/regs-apbh.h b/arch/arm/include/asm/mach-imx/regs-apbh.h
index d68953e..94c330c 100644
--- a/arch/arm/include/asm/mach-imx/regs-apbh.h
+++ b/arch/arm/include/asm/mach-imx/regs-apbh.h
@@ -7,6 +7,7 @@
  *
  * Based on code from LTIB:
  * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2020 NXP
  */
 
 #ifndef __REGS_APBH_H__
@@ -95,7 +96,7 @@ struct mxs_apbh_regs {
 	mxs_reg_32(hw_apbh_version)
 };
 
-#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+#else
 struct mxs_apbh_regs {
 	mxs_reg_32(hw_apbh_ctrl0)
 	mxs_reg_32(hw_apbh_ctrl1)
@@ -274,7 +275,7 @@ struct mxs_apbh_regs {
 #define	APBH_CTRL0_CLKGATE_CHANNEL_NAND7		0x0800
 #define	APBH_CTRL0_CLKGATE_CHANNEL_HSADC		0x1000
 #define	APBH_CTRL0_CLKGATE_CHANNEL_LCDIF		0x2000
-#elif (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+#elif (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M))
 #define	APBH_CTRL0_CLKGATE_CHANNEL_OFFSET		0
 #define	APBH_CTRL0_CLKGATE_CHANNEL_NAND0		0x0001
 #define	APBH_CTRL0_CLKGATE_CHANNEL_NAND1		0x0002
@@ -357,7 +358,6 @@ struct mxs_apbh_regs {
 
 #if defined(CONFIG_MX28)
 #define	APBH_CHANNEL_CTRL_RESET_CHANNEL_MASK		(0xffff << 16)
-#define	APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET		16
 #define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP0		(0x0001 << 16)
 #define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP1		(0x0002 << 16)
 #define	APBH_CHANNEL_CTRL_RESET_CHANNEL_SSP2		(0x0004 << 16)
@@ -390,9 +390,8 @@ struct mxs_apbh_regs {
 #define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_LCDIF		0x2000
 #endif
 
-#if (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+/* Not on i.MX23 */
 #define	APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET		16
-#endif
 
 #if defined(CONFIG_MX23)
 #define	APBH_DEVSEL_CH7_MASK				(0xf << 28)
diff --git a/arch/arm/include/asm/mach-imx/regs-bch.h b/arch/arm/include/asm/mach-imx/regs-bch.h
index 664fb9f..5a14900 100644
--- a/arch/arm/include/asm/mach-imx/regs-bch.h
+++ b/arch/arm/include/asm/mach-imx/regs-bch.h
@@ -7,6 +7,7 @@
  *
  * Based on code from LTIB:
  * Copyright 2008-2010, 2016 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2020 NXP
  *
  */
 
@@ -127,7 +128,7 @@ struct mxs_bch_regs {
 #define	BCH_FLASHLAYOUT0_NBLOCKS_OFFSET			24
 #define	BCH_FLASHLAYOUT0_META_SIZE_MASK			(0xff << 16)
 #define	BCH_FLASHLAYOUT0_META_SIZE_OFFSET		16
-#if (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M))
 #define	BCH_FLASHLAYOUT0_ECC0_MASK			(0x1f << 11)
 #define	BCH_FLASHLAYOUT0_ECC0_OFFSET			11
 #else
@@ -158,7 +159,7 @@ struct mxs_bch_regs {
 
 #define	BCH_FLASHLAYOUT1_PAGE_SIZE_MASK			(0xffff << 16)
 #define	BCH_FLASHLAYOUT1_PAGE_SIZE_OFFSET		16
-#if (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M))
 #define	BCH_FLASHLAYOUT1_ECCN_MASK			(0x1f << 11)
 #define	BCH_FLASHLAYOUT1_ECCN_OFFSET			11
 #else