From 1506b0a83713f4d537d44bebd8616226fec55279 Mon Sep 17 00:00:00 2001
From: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>
Date: Sat, 3 Sep 2011 22:18:32 -0400
Subject: [PATCH] da850: add NOR boot mode support

Add pin-mux support for NOR in board file and correspanding
macros to use NOR boot mode in configuration file.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
---
 board/davinci/da8xxevm/da850evm.c | 51 +++++++++++++++++++++++++++++++
 include/configs/da850evm.h        | 17 +++++++++++
 2 files changed, 68 insertions(+)

diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index 73eaa48b0b..d3d965cdab 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -105,6 +105,55 @@ const struct pinmux_config nand_pins[] = {
 	{ pinmux(12), 1, 5 },
 	{ pinmux(12), 1, 6 }
 };
+#elif defined(CONFIG_USE_NOR)
+/* NOR pin muxer settings */
+const struct pinmux_config nor_pins[] = {
+	{ pinmux(5), 1, 6 },
+	{ pinmux(6), 1, 6 },
+	{ pinmux(7), 1, 0 },
+	{ pinmux(7), 1, 4 },
+	{ pinmux(7), 1, 5 },
+	{ pinmux(8), 1, 0 },
+	{ pinmux(8), 1, 1 },
+	{ pinmux(8), 1, 2 },
+	{ pinmux(8), 1, 3 },
+	{ pinmux(8), 1, 4 },
+	{ pinmux(8), 1, 5 },
+	{ pinmux(8), 1, 6 },
+	{ pinmux(8), 1, 7 },
+	{ pinmux(9), 1, 0 },
+	{ pinmux(9), 1, 1 },
+	{ pinmux(9), 1, 2 },
+	{ pinmux(9), 1, 3 },
+	{ pinmux(9), 1, 4 },
+	{ pinmux(9), 1, 5 },
+	{ pinmux(9), 1, 6 },
+	{ pinmux(9), 1, 7 },
+	{ pinmux(10), 1, 0 },
+	{ pinmux(10), 1, 1 },
+	{ pinmux(10), 1, 2 },
+	{ pinmux(10), 1, 3 },
+	{ pinmux(10), 1, 4 },
+	{ pinmux(10), 1, 5 },
+	{ pinmux(10), 1, 6 },
+	{ pinmux(10), 1, 7 },
+	{ pinmux(11), 1, 0 },
+	{ pinmux(11), 1, 1 },
+	{ pinmux(11), 1, 2 },
+	{ pinmux(11), 1, 3 },
+	{ pinmux(11), 1, 4 },
+	{ pinmux(11), 1, 5 },
+	{ pinmux(11), 1, 6 },
+	{ pinmux(11), 1, 7 },
+	{ pinmux(12), 1, 0 },
+	{ pinmux(12), 1, 1 },
+	{ pinmux(12), 1, 2 },
+	{ pinmux(12), 1, 3 },
+	{ pinmux(12), 1, 4 },
+	{ pinmux(12), 1, 5 },
+	{ pinmux(12), 1, 6 },
+	{ pinmux(12), 1, 7 }
+};
 #endif
 
 #ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII
@@ -122,6 +171,8 @@ static const struct pinmux_resource pinmuxes[] = {
 	PINMUX_ITEM(i2c_pins),
 #ifdef CONFIG_NAND_DAVINCI
 	PINMUX_ITEM(nand_pins),
+#elif defined(CONFIG_USE_NOR)
+	PINMUX_ITEM(nor_pins),
 #endif
 };
 
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
index fdcc6e3458..b1bce11e29 100644
--- a/include/configs/da850evm.h
+++ b/include/configs/da850evm.h
@@ -29,6 +29,7 @@
 #define CONFIG_DRIVER_TI_EMAC
 #define CONFIG_USE_SPIFLASH
 
+
 /*
  * SoC Configuration
  */
@@ -129,6 +130,22 @@
 #define CONFIG_NET_MULTI
 #endif
 
+#ifdef CONFIG_USE_NOR
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_MAX_FLASH_BANKS	1 /* max number of flash banks */
+#define CONFIG_SYS_FLASH_SECT_SZ	(128 << 10) /* 128KB */
+#define CONFIG_ENV_OFFSET		(CONFIG_SYS_FLASH_SECT_SZ * 3)
+#define CONFIG_ENV_SIZE			(10 << 10) /* 10KB */
+#define CONFIG_SYS_FLASH_BASE		DAVINCI_ASYNC_EMIF_DATA_CE2_BASE
+#define PHYS_FLASH_SIZE			(8 << 20) /* Flash size 8MB */
+#define CONFIG_SYS_MAX_FLASH_SECT ((PHYS_FLASH_SIZE/CONFIG_SYS_FLASH_SECT_SZ)\
+	       + 3)
+#define CONFIG_ENV_SECT_SIZE		CONFIG_SYS_FLASH_SECT_SZ
+#endif
+
 #ifdef CONFIG_USE_SPIFLASH
 #undef CONFIG_ENV_IS_IN_FLASH
 #undef CONFIG_ENV_IS_IN_NAND
-- 
2.39.2