uniphier: make NAND controller base address configurable

The next SoC does not support the NAND controller, but make the base
address configurable for consistency and future proof.

Change-Id: I776e43ff2b0408577919b0b72849c3e1e5ce0758
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

plat/socionext/uniphier/uniphier.h

@@ -40,7 +40,8 @@ void uniphier_console_setup(void);
 struct io_block_dev_spec;
 int uniphier_emmc_init(unsigned int soc,
 		       struct io_block_dev_spec **block_dev_spec);
-int uniphier_nand_init(struct io_block_dev_spec **block_dev_spec);
+int uniphier_nand_init(unsigned int soc,
+		       struct io_block_dev_spec **block_dev_spec);
 int uniphier_usb_init(unsigned int soc,
 		      struct io_block_dev_spec **block_dev_spec);
 

plat/socionext/uniphier/uniphier_io_storage.c

@@ -261,12 +261,12 @@ static int uniphier_io_emmc_setup(unsigned int soc, size_t buffer_offset)
 	return uniphier_io_block_setup(0x20000, block_dev_spec, buffer_offset);
 }
 
-static int uniphier_io_nand_setup(unsigned int soc_id, size_t buffer_offset)
+static int uniphier_io_nand_setup(unsigned int soc, size_t buffer_offset)
 {
 	struct io_block_dev_spec *block_dev_spec;
 	int ret;
 
-	ret = uniphier_nand_init(&block_dev_spec);
+	ret = uniphier_nand_init(soc, &block_dev_spec);
 	if (ret)
 		return ret;
 

plat/socionext/uniphier/uniphier_nand.c

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <assert.h>
 #include <stdint.h>
 
 #include <platform_def.h>
@@ -237,8 +238,7 @@ static int uniphier_nand_hw_init(struct uniphier_nand *nand)
 	for (i = 0; i < ARRAY_SIZE(nand->bbt); i++)
 		nand->bbt[i] = UNIPHIER_NAND_BBT_UNKNOWN;
 
-	nand->host_base = 0x68000000;
-	nand->reg_base = 0x68100000;
+	nand->reg_base = nand->host_base + 0x100000;
 
 	nand->pages_per_block =
 			mmio_read_32(nand->reg_base + DENALI_PAGES_PER_BLOCK);
@@ -255,10 +255,22 @@ static int uniphier_nand_hw_init(struct uniphier_nand *nand)
 	return 0;
 }
 
-int uniphier_nand_init(struct io_block_dev_spec **block_dev_spec)
+static const uintptr_t uniphier_nand_base[] = {
+	[UNIPHIER_SOC_LD11] = 0x68000000,
+	[UNIPHIER_SOC_LD20] = 0x68000000,
+	[UNIPHIER_SOC_PXS3] = 0x68000000,
+};
+
+int uniphier_nand_init(unsigned int soc,
+		       struct io_block_dev_spec **block_dev_spec)
 {
 	int ret;
 
+	assert(soc < ARRAY_SIZE(uniphier_nand_base));
+	uniphier_nand.host_base = uniphier_nand_base[soc];
+	if (!uniphier_nand.host_base)
+		return -ENOTSUP;
+
 	ret = uniphier_nand_hw_init(&uniphier_nand);
 	if (ret)
 		return ret;