sparc: Update GRSIM board with memory settings for TSIM eval

Update the GRSIM board with the memory settings for the evaluation
version of TSIM. This free version of TSIM is used for testing.

Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>

2 files changed, 46 insertions, 12 deletions

diff --git a/configs/grsim_defconfig b/configs/grsim_defconfig
index f0fa23f8106..b0295f2f0c3 100644
--- a/configs/grsim_defconfig
+++ b/configs/grsim_defconfig
@@ -11,4 +11,5 @@ CONFIG_SYS_TEXT_BASE=0x00000000
 # CONFIG_CMD_MEMORY is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
diff --git a/include/configs/grsim.h b/include/configs/grsim.h
index 8959e332ce4..a5387852c24 100644
--- a/include/configs/grsim.h
+++ b/include/configs/grsim.h
@@ -19,9 +19,13 @@
  *
  * Select between TSIM or GRSIM by setting CONFIG_GRSIM or CONFIG_TSIM to 1.
  *
- * TSIM command
- *  tsim-leon3 -sdram 0 -ram 32000 -rom 8192 -mmu
+ * TSIM command:
+ * $ tsim-leon3 -sdram 32768 -ram 4096 -rom 2048 -mmu -cas
  *
+ * In the evaluation version of TSIM, the -sdram/-ram/-rom arguments are
+ * hard-coded to these values and need not be specified. (see below)
+ *
+ * Get TSIM from http://www.gaisler.com/index.php/downloads/simulators
  */
 
 #define CONFIG_GRSIM		0	/* ... not running on GRSIM */
@@ -184,18 +188,18 @@
 /*
  * Memory map
  */
-#define CONFIG_SYS_SDRAM_BASE		0x40000000
-#define CONFIG_SYS_SDRAM_SIZE		0x02000000
-#define CONFIG_SYS_SDRAM_END		(CONFIG_SYS_SDRAM_BASE+CONFIG_SYS_SDRAM_SIZE)
+#define CONFIG_SYS_SDRAM_BASE		0x60000000
+#define CONFIG_SYS_SDRAM_SIZE		0x02000000 /* 32MiB SDRAM */
+#define CONFIG_SYS_SDRAM_END		(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE)
 
-/* no SRAM available */
-#undef CONFIG_SYS_SRAM_BASE
-#undef CONFIG_SYS_SRAM_SIZE
+#define CONFIG_SYS_SRAM_BASE		0x40000000
+#define CONFIG_SYS_SRAM_SIZE		0x00400000 /* 4MiB SRAM */
+#define CONFIG_SYS_SRAM_END		(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE)
 
 /* Always Run U-Boot from SDRAM */
-#define CONFIG_SYS_RAM_BASE CONFIG_SYS_SDRAM_BASE
-#define CONFIG_SYS_RAM_SIZE CONFIG_SYS_SDRAM_SIZE
-#define CONFIG_SYS_RAM_END CONFIG_SYS_SDRAM_END
+#define CONFIG_SYS_RAM_BASE		CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_RAM_SIZE		CONFIG_SYS_SDRAM_SIZE
+#define CONFIG_SYS_RAM_END		CONFIG_SYS_SDRAM_END
 
 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_RAM_END - GENERATED_GBL_DATA_SIZE)
 
@@ -224,6 +228,7 @@
 /* make un relocated address from relocated address */
 #define UN_RELOC(address) (address-(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE))
 
+#ifdef CONFIG_CMD_NET
 /*
  * Ethernet configuration
  */
@@ -235,6 +240,8 @@
 /* #define CONFIG_GRETH_10MBIT 1 */
 #define CONFIG_PHY_ADDR		0x00
 
+#endif /* CONFIG_CMD_NET */
+
 /*
  * Miscellaneous configurable options
  */
@@ -259,13 +266,14 @@
 /*#define CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP*/
 
 #define CONFIG_SYS_GRLIB_SDRAM     0
+
 #define CONFIG_SYS_GRLIB_MEMCFG1   (0x000000ff | (1<<11))
 #if CONFIG_GRSIM
 /* GRSIM configuration */
 #define CONFIG_SYS_GRLIB_MEMCFG2   0x82206000
 #else
 /* TSIM configuration */
-#define CONFIG_SYS_GRLIB_MEMCFG2   0x00001820
+#define CONFIG_SYS_GRLIB_MEMCFG2   0x81805220
 #endif
 #define CONFIG_SYS_GRLIB_MEMCFG3   0x00136000
 
@@ -285,4 +293,29 @@
 
 #define CONFIG_IDENT_STRING "Gaisler GRSIM"
 
+/* TSIM command:
+ * $ ./tsim-leon3 -mmu -cas
+ *
+ *  This TSIM evaluation version will expire 2015-04-02
+ *
+ *
+ *  TSIM/LEON3 SPARC simulator, version 2.0.35 (evaluation version)
+ *
+ *  Copyright (C) 2014, Aeroflex Gaisler - all rights reserved.
+ *  This software may only be used with a valid license.
+ *  For latest updates, go to http://www.gaisler.com/
+ *  Comments or bug-reports to support@gaisler.com
+ *
+ * serial port A on stdin/stdout
+ * allocated 4096 K SRAM memory, in 1 bank
+ * allocated 32 M SDRAM memory, in 1 bank
+ * allocated 2048 K ROM memory
+ * icache: 1 * 4 kbytes, 16 bytes/line (4 kbytes total)
+ * dcache: 1 * 4 kbytes, 16 bytes/line (4 kbytes total)
+ * tsim> leon
+ * 0x80000000   Memory configuration register 1   0x000002ff
+ * 0x80000004   Memory configuration register 2   0x81805220
+ * 0x80000008   Memory configuration register 3   0x00000000
+ */
+
 #endif				/* __CONFIG_H */