powerpc/85xx: Add support for booting from NAND on MPC8572DS

Mimic support that exists on MPC8536DS on the MPC8572DS to allow booting
from NAND.

Signed-off-by: Jin Qing <b24347@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 100 insertions, 15 deletions

diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h
index 1ee95ae..9d2e209 100644
--- a/include/configs/MPC8572DS.h
+++ b/include/configs/MPC8572DS.h
@@ -33,6 +33,25 @@
 #define CONFIG_PHYS_64BIT
 #endif
 
+#ifdef CONFIG_NAND
+#define CONFIG_NAND_U_BOOT
+#define CONFIG_RAMBOOT_NAND
+#ifdef CONFIG_NAND_SPL
+#define CONFIG_SYS_TEXT_BASE_SPL 0xfff00000
+#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE_SPL /* start of monitor */
+#else
+#define CONFIG_SYS_TEXT_BASE	0xf8f82000
+#endif /* CONFIG_NAND_SPL */
+#endif
+
+#ifndef CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_TEXT_BASE	0xeff80000
+#endif
+
+#ifndef CONFIG_SYS_MONITOR_BASE
+#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
+#endif
+
 /* High Level Configuration Options */
 #define CONFIG_BOOKE		1	/* BOOKE */
 #define CONFIG_E500		1	/* BOOKE e500 family */
@@ -41,10 +60,6 @@
 #define CONFIG_MPC8572DS	1
 #define CONFIG_MP		1	/* support multiple processors */
 
-#ifndef CONFIG_SYS_TEXT_BASE
-#define CONFIG_SYS_TEXT_BASE	0xeff80000
-#endif
-
 #define CONFIG_FSL_ELBC		1	/* Has Enhanced localbus controller */
 #define CONFIG_PCI		1	/* Enable PCI/PCIE */
 #define CONFIG_PCIE1		1	/* PCIE controler 1 (slot 1) */
@@ -81,10 +96,21 @@
 #define CONFIG_PANIC_HANG	/* do not reset board on panic */
 
 /*
+ * Config the L2 Cache as L2 SRAM
+ */
+#define CONFIG_SYS_INIT_L2_ADDR		0xf8f80000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS		0xff8f80000ull
+#else
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS		CONFIG_SYS_INIT_L2_ADDR
+#endif
+#define CONFIG_SYS_L2_SIZE		(512 << 10)
+#define CONFIG_SYS_INIT_L2_END	(CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
+
+/*
  * Base addresses -- Note these are effective addresses where the
  * actual resources get mapped (not physical addresses)
  */
-#define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
 #define CONFIG_SYS_CCSRBAR		0xffe00000	/* relocated CCSRBAR */
 #ifdef CONFIG_PHYS_64BIT
 #define CONFIG_SYS_CCSRBAR_PHYS		0xfffe00000ull	/* physical addr of CCSRBAR */
@@ -93,6 +119,12 @@
 #endif
 #define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses CONFIG_SYS_IMMR */
 
+#if defined(CONFIG_RAMBOOT_NAND) && !defined(CONFIG_NAND_SPL)
+#define CONFIG_SYS_CCSRBAR_DEFAULT		CONFIG_SYS_CCSRBAR
+#else
+#define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000      /* CCSRBAR Default */
+#endif
+
 /* DDR Setup */
 #define CONFIG_VERY_BIG_RAM
 #define CONFIG_FSL_DDR2
@@ -177,8 +209,11 @@
 #define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
 #endif
 
-#define CONFIG_SYS_BR0_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) | BR_PS_16 | BR_V)
-#define CONFIG_SYS_OR0_PRELIM	0xf8000ff7
+
+#define CONFIG_FLASH_BR_PRELIM \
+	(BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) \
+	| BR_PS_16 | BR_V)
+#define CONFIG_FLASH_OR_PRELIM 0xf8000ff7
 
 #define CONFIG_SYS_BR1_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
 #define CONFIG_SYS_OR1_PRELIM	0xf8000ff7
@@ -193,7 +228,12 @@
 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000		/* Flash Erase Timeout (ms) */
 #define CONFIG_SYS_FLASH_WRITE_TOUT	500		/* Flash Write Timeout (ms) */
 
-#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
+#if defined(CONFIG_RAMBOOT_NAND)
+#define CONFIG_SYS_RAMBOOT
+#define CONFIG_SYS_EXTRA_ENV_RELOC
+#else
+#undef CONFIG_SYS_RAMBOOT
+#endif
 
 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_FLASH_CFI
@@ -246,6 +286,8 @@
 #define PIXIS_VWATCH		0x24    /* Watchdog Register */
 #define PIXIS_LED		0x25    /* LED Register */
 
+#define PIXIS_SPD_SYSCLK_MASK		0x7		/* SYSCLK option */
+
 /* old pixis referenced names */
 #define PIXIS_VCLKH		0x19	/* VELA VCLKH register */
 #define PIXIS_VCLKL		0x1A	/* VELA VCLKL register */
@@ -277,12 +319,22 @@
 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon */
 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024)	/* Reserved for malloc */
 
+#ifndef CONFIG_NAND_SPL
 #define CONFIG_SYS_NAND_BASE		0xffa00000
 #ifdef CONFIG_PHYS_64BIT
 #define CONFIG_SYS_NAND_BASE_PHYS	0xfffa00000ull
 #else
 #define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
 #endif
+#else
+#define CONFIG_SYS_NAND_BASE		0xfff00000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_NAND_BASE_PHYS	0xffff00000ull
+#else
+#define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
+#endif
+#endif
+
 #define CONFIG_SYS_NAND_BASE_LIST     { CONFIG_SYS_NAND_BASE,\
 				CONFIG_SYS_NAND_BASE + 0x40000, \
 				CONFIG_SYS_NAND_BASE + 0x80000,\
@@ -293,6 +345,17 @@
 #define CONFIG_NAND_FSL_ELBC	1
 #define CONFIG_SYS_NAND_BLOCK_SIZE    (128 * 1024)
 
+/* NAND boot: 4K NAND loader config */
+#define CONFIG_SYS_NAND_SPL_SIZE	0x1000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	((512 << 10) - 0x2000)
+#define CONFIG_SYS_NAND_U_BOOT_DST	(CONFIG_SYS_INIT_L2_ADDR)
+#define CONFIG_SYS_NAND_U_BOOT_START \
+		(CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_NAND_SPL_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	(0)
+#define CONFIG_SYS_NAND_U_BOOT_RELOC	(CONFIG_SYS_INIT_L2_END - 0x2000)
+#define CONFIG_SYS_NAND_U_BOOT_RELOC_SP	((CONFIG_SYS_INIT_L2_END - 1) & ~0xF)
+
+
 /* NAND flash config */
 #define CONFIG_NAND_BR_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
 			       | (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
@@ -308,9 +371,17 @@
 			       | OR_FCM_TRLX \
 			       | OR_FCM_EHTR)
 
+#ifdef CONFIG_RAMBOOT_NAND
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_NAND_BR_PRELIM	/* NAND Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_NAND_OR_PRELIM	/* NAND Options */
+#define CONFIG_SYS_BR2_PRELIM  CONFIG_FLASH_BR_PRELIM	/* NOR Base Address */
+#define CONFIG_SYS_OR2_PRELIM  CONFIG_FLASH_OR_PRELIM	/* NOR Options */
+#else
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_FLASH_BR_PRELIM	/* NOR Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_FLASH_OR_PRELIM	/* NOR Options */
 #define CONFIG_SYS_BR2_PRELIM  CONFIG_NAND_BR_PRELIM  /* NAND Base Address */
 #define CONFIG_SYS_OR2_PRELIM  CONFIG_NAND_OR_PRELIM  /* NAND Options */
-
+#endif
 #define CONFIG_SYS_BR4_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0x40000))\
 			       | (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
 			       | BR_PS_8	       /* Port Size = 8 bit */ \
@@ -341,6 +412,9 @@
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
+#ifdef CONFIG_NAND_SPL
+#define CONFIG_NS16550_MIN_FUNCTIONS
+#endif
 
 #define CONFIG_SYS_BAUDRATE_TABLE	\
 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
@@ -546,14 +620,25 @@
 /*
  * Environment
  */
-#define CONFIG_ENV_IS_IN_FLASH	1
-#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
-#define CONFIG_ENV_ADDR		0xfff80000
+
+#if defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_RAMBOOT_NAND)
+#define CONFIG_ENV_IS_IN_NAND	1
+#define CONFIG_ENV_SIZE	CONFIG_SYS_NAND_BLOCK_SIZE
+#define CONFIG_ENV_OFFSET	((512 * 1024)\
+				+ CONFIG_SYS_NAND_BLOCK_SIZE)
+#endif
+
 #else
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+	#define CONFIG_ENV_IS_IN_FLASH	1
+	#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
+	#define CONFIG_ENV_ADDR	0xfff80000
+	#else
+	#define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+	#endif
+	#define CONFIG_ENV_SIZE	0x2000
+	#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
 #endif
-#define CONFIG_ENV_SIZE		0x2000
-#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
 
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */