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, 19 insertions, 10 deletions

diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index c46fec3d32..c4d9d31388 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -259,12 +259,12 @@ config NAND_MXC
 
 config NAND_MXS
 	bool "MXS NAND support"
-	depends on MX23 || MX28 || MX6 || MX7 || IMX8M
+	depends on MX23 || MX28 || MX6 || MX7 || IMX8 || IMX8M
 	select SYS_NAND_SELF_INIT
 	imply CMD_NAND
 	select APBH_DMA
-	select APBH_DMA_BURST if ARCH_MX6 || ARCH_MX7 || ARCH_IMX8M
-	select APBH_DMA_BURST8 if ARCH_MX6 || ARCH_MX7 || ARCH_IMX8M
+	select APBH_DMA_BURST if ARCH_MX6 || ARCH_MX7 || ARCH_IMX8 || ARCH_IMX8M
+	select APBH_DMA_BURST8 if ARCH_MX6 || ARCH_MX7 || ARCH_IMX8 || ARCH_IMX8M
 	help
 	  This enables NAND driver for the NAND flash controller on the
 	  MXS processors.
diff --git a/drivers/mtd/nand/raw/mxs_nand.c b/drivers/mtd/nand/raw/mxs_nand.c
index 3bf5ab2d8c..b6e65c616d 100644
--- a/drivers/mtd/nand/raw/mxs_nand.c
+++ b/drivers/mtd/nand/raw/mxs_nand.c
@@ -31,7 +31,8 @@
 
 #define	MXS_NAND_DMA_DESCRIPTOR_COUNT		4
 
-#if (defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
+#if defined(CONFIG_MX6) || defined(CONFIG_MX7) || defined(CONFIG_IMX8) || \
+	defined(CONFIG_IMX8M)
 #define	MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT	2
 #else
 #define	MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT	0
@@ -55,21 +56,21 @@ struct nand_ecclayout fake_ecc_layout;
 #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 static void mxs_nand_flush_data_buf(struct mxs_nand_info *info)
 {
-	uint32_t addr = (uint32_t)info->data_buf;
+	uint32_t addr = (uintptr_t)info->data_buf;
 
 	flush_dcache_range(addr, addr + info->data_buf_size);
 }
 
 static void mxs_nand_inval_data_buf(struct mxs_nand_info *info)
 {
-	uint32_t addr = (uint32_t)info->data_buf;
+	uint32_t addr = (uintptr_t)info->data_buf;
 
 	invalidate_dcache_range(addr, addr + info->data_buf_size);
 }
 
 static void mxs_nand_flush_cmd_buf(struct mxs_nand_info *info)
 {
-	uint32_t addr = (uint32_t)info->cmd_buf;
+	uint32_t addr = (uintptr_t)info->cmd_buf;
 
 	flush_dcache_range(addr, addr + MXS_NAND_COMMAND_BUFFER_SIZE);
 }
@@ -773,7 +774,7 @@ static int mxs_nand_ecc_read_page(struct mtd_info *mtd, struct nand_chip *nand,
 
 		if (status[i] == 0xff) {
 			if (is_mx6dqp() || is_mx7() ||
-			    is_mx6ul() || is_imx8m())
+			    is_mx6ul() || is_imx8() || is_imx8m())
 				if (readl(&bch_regs->hw_bch_debug1))
 					flag = 1;
 			continue;
@@ -1172,7 +1173,7 @@ int mxs_nand_setup_ecc(struct mtd_info *mtd)
 
 	/* Set erase threshold to ecc strength for mx6ul, mx6qp and mx7 */
 	if (is_mx6dqp() || is_mx7() ||
-	    is_mx6ul() || is_imx8m())
+	    is_mx6ul() || is_imx8() || is_imx8m())
 		writel(BCH_MODE_ERASE_THRESHOLD(geo->ecc_strength),
 		       &bch_regs->hw_bch_mode);
 
@@ -1311,7 +1312,7 @@ int mxs_nand_init_spl(struct nand_chip *nand)
 	nand_info->gpmi_regs = (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
 	nand_info->bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
 
-	if (is_mx6sx() || is_mx7() || is_imx8m())
+	if (is_mx6sx() || is_mx7() || is_imx8() || is_imx8m())
 		nand_info->max_ecc_strength_supported = 62;
 	else
 		nand_info->max_ecc_strength_supported = 40;
diff --git a/drivers/mtd/nand/raw/mxs_nand_dt.c b/drivers/mtd/nand/raw/mxs_nand_dt.c
index bd429e0d62..c4dc0bb1dd 100644
--- a/drivers/mtd/nand/raw/mxs_nand_dt.c
+++ b/drivers/mtd/nand/raw/mxs_nand_dt.c
@@ -33,6 +33,10 @@ static const struct mxs_nand_dt_data mxs_nand_imx7d_data = {
 	.max_ecc_strength_supported = 62,
 };
 
+static const struct mxs_nand_dt_data mxs_nand_imx8qxp_data = {
+	.max_ecc_strength_supported = 62,
+};
+
 static const struct udevice_id mxs_nand_dt_ids[] = {
 	{
 		.compatible = "fsl,imx6q-gpmi-nand",
@@ -50,6 +54,10 @@ static const struct udevice_id mxs_nand_dt_ids[] = {
 		.compatible = "fsl,imx7d-gpmi-nand",
 		.data = (unsigned long)&mxs_nand_imx7d_data,
 	},
+	{
+		.compatible = "fsl,imx8qxp-gpmi-nand",
+		.data = (unsigned long)&mxs_nand_imx8qxp_data,
+	},
 	{ /* sentinel */ }
 };