[PATCH] Add support for Prodrive SCPU (PDNB3 variant) board

Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/MAINTAINERS b/MAINTAINERS
index 81c113d7b1a1cdfc765756d96bb15c506ff0306d..e9203eb05f3c0f741cad8b87a8d83d84e019d169 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -465,6 +465,7 @@ Stefan Roese <sr@denx.de>
 
        ixdpg425                xscale
        pdnb3                   xscale
+       scpu                    xscale
 
 Robert Schwebel <r.schwebel@pengutronix.de>
 

diff --git a/MAKEALL b/MAKEALL
index b3e16bc6c5bced62a61efe127c9d30e2ce2daffc..40a5c773e59408c679805ac19a078030568ab751 100755 (executable)
--- a/MAKEALL
+++ b/MAKEALL
@@ -225,7 +225,7 @@ LIST_pxa="  \
        xsengine        zylonite                                        \
 "
 
-LIST_ixp="ixdp425      ixdpg425        pdnb3"
+LIST_ixp="ixdp425      ixdpg425        pdnb3           scpu"
 
 
 LIST_arm="     \

diff --git a/Makefile b/Makefile
index af3300688f700fbb6784f941f0fe400790fa42bc..b1952edfe7f2d3f62bda2fcdea43996b75e31dc2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2066,8 +2066,15 @@ pleb2_config     :       unconfig
 logodl_config  :       unconfig
        @$(MKCONFIG) $(@:_config=) arm pxa logodl
 
-pdnb3_config   :       unconfig
-       @$(MKCONFIG) $(@:_config=) arm ixp pdnb3 prodrive
+pdnb3_config \
+scpu_config:    unconfig
+       @if [ "$(findstring scpu_,$@)" ] ; then \
+               echo "#define CONFIG_SCPU"      >>include/config.h ; \
+               echo "... on SCPU board variant" ; \
+       else \
+               >include/config.h ; \
+       fi
+       @$(MKCONFIG) -a pdnb3 arm ixp pdnb3 prodrive
 
 pxa255_idp_config:     unconfig
        @$(MKCONFIG) $(@:_config=) arm pxa pxa255_idp

diff --git a/board/prodrive/pdnb3/flash.c b/board/prodrive/pdnb3/flash.c
index d0e5fe703b98fd386fed671abc7d5d780dfb156c..518ea9c03148e78fc16c114f3f292fb6b2b631bb 100644 (file)
--- a/board/prodrive/pdnb3/flash.c
+++ b/board/prodrive/pdnb3/flash.c
@@ -24,6 +24,8 @@
 #include <common.h>
 #include <asm/arch/ixp425.h>
 
+#if !defined(CFG_FLASH_CFI_DRIVER)
+
 /*
  * include common flash code (for esd boards)
  */
@@ -83,3 +85,5 @@ unsigned long flash_init(void)
 
        return size;
 }
+
+#endif /* CFG_FLASH_CFI_DRIVER */

diff --git a/include/configs/pdnb3.h b/include/configs/pdnb3.h
index ba6b113d8c2181a220a49e85411f2e8c0f117ab5..2cc137ce6a884df3c0086983d8b07a1637e9f96f 100644 (file)
--- a/include/configs/pdnb3.h
+++ b/include/configs/pdnb3.h
@@ -71,12 +71,18 @@
 #define CONFIG_BAUDRATE         115200
 #define CFG_IXP425_CONSOLE     IXP425_UART1   /* we use UART1 for console */
 
+#if defined(CONFIG_SCPU)
+#define CMD_NAND_ADD           0
+#else
+#define CMD_NAND_ADD           CFG_CMD_NAND
+#endif
+
 #define CONFIG_COMMANDS               (CONFIG_CMD_DFL  | \
                                CFG_CMD_DHCP    | \
                                CFG_CMD_DATE    | \
                                CFG_CMD_NET     | \
                                CFG_CMD_MII     | \
-                               CFG_CMD_NAND    | \
+                               CMD_NAND_ADD    | \
                                CFG_CMD_I2C     | \
                                CFG_CMD_ELF     | \
                                CFG_CMD_PING)
@@ -176,12 +182,20 @@
 
 #define CFG_FLASH_BASE          0x50000000
 #define CFG_MONITOR_BASE       CFG_FLASH_BASE
+#if defined(CONFIG_SCPU)
+#define CFG_MONITOR_LEN                (384 << 10)     /* Reserve 512 kB for Monitor   */
+#else
 #define CFG_MONITOR_LEN                (504 << 10)     /* Reserve 512 kB for Monitor   */
+#endif
 
 /*
  * Expansion bus settings
  */
+#if defined(CONFIG_SCPU)
+#define CFG_EXP_CS0            0x94d23C42      /* 8bit, max size               */
+#else
 #define CFG_EXP_CS0            0x94913C43      /* 8bit, max size               */
+#endif
 #define CFG_EXP_CS1            0x85000043      /* 8bit, 512bytes               */
 
 /*
@@ -194,6 +208,12 @@
 /*
  * FLASH and environment organization
  */
+#if defined(CONFIG_SCPU)
+#define CFG_FLASH_CFI                          /* The flash is CFI compatible  */
+#define CFG_FLASH_CFI_DRIVER                   /* Use common CFI driver        */
+#define CFG_FLASH_CFI_WIDTH    FLASH_CFI_16BIT /* no byte writes on IXP4xx     */
+#endif
+
 #define FLASH_BASE0_PRELIM     CFG_FLASH_BASE          /* FLASH bank #0        */
 
 #define CFG_MAX_FLASH_BANKS    1       /* max number of memory banks           */
@@ -217,20 +237,27 @@
 
 #define        CFG_ENV_IS_IN_FLASH     1
 
+#if defined(CONFIG_SCPU)
+#define CFG_ENV_SECT_SIZE      0x20000         /* size of one complete sector  */
+#define        CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
+#else
 #define CFG_ENV_SECT_SIZE      0x1000  /* size of one complete sector  */
-#define CFG_ENV_ADDR           (CFG_FLASH_BASE + CFG_MONITOR_LEN)
 #define        CFG_ENV_SIZE            0x1000  /* Total Size of Environment Sector     */
+#endif
+#define CFG_ENV_ADDR           (CFG_FLASH_BASE + CFG_MONITOR_LEN)
 
 /* Address and size of Redundant Environment Sector    */
 #define CFG_ENV_ADDR_REDUND    (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
 #define CFG_ENV_SIZE_REDUND    (CFG_ENV_SIZE)
 
+#if !defined(CONFIG_SCPU)
 /*
  * NAND-FLASH stuff
  */
 #define CFG_MAX_NAND_DEVICE    1
 #define NAND_MAX_CHIPS         1
 #define CFG_NAND_BASE          0x51000000      /* NAND FLASH Base Address      */
+#endif
 
 /*
  * GPIO settings
@@ -284,9 +311,15 @@
 /*
  * I2C RTC
  */
+#if 0 /* test-only */
+#define CONFIG_RTC_DS1340      1
+#define CFG_I2C_RTC_ADDR       0x68
+#else
+/* M41T11 Serial Access Timekeeper(R) SRAM */
 #define CONFIG_RTC_M41T11      1
 #define CFG_I2C_RTC_ADDR       0x68
 #define CFG_M41T11_BASE_YEAR   1900    /* play along with the linux driver */
+#endif
 
 /*
  * Spartan3 FPGA configuration support