From 5e6d961a6e3a7daf1709639e97142dadfb231fa1 Mon Sep 17 00:00:00 2001
From: edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 2 May 2008 22:38:53 +0000
Subject: [PATCH] ETRAX-FS board: Add more flash and internal memory. Select
 interrupt nr for the

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4302 c046a42c-6fe2-441c-8c8c-71466251a162
---
 hw/etraxfs.c | 58 +++++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 37 insertions(+), 21 deletions(-)

diff --git a/hw/etraxfs.c b/hw/etraxfs.c
index eb16258..a95115d 100644
--- a/hw/etraxfs.c
+++ b/hw/etraxfs.c
@@ -38,7 +38,11 @@ static void main_cpu_reset(void *opaque)
 extern qemu_irq *etraxfs_pic_init(CPUState *env, target_phys_addr_t base);
 void etraxfs_timer_init(CPUState *env, qemu_irq *irqs, 
 			target_phys_addr_t base);
-void etraxfs_ser_init(CPUState *env, qemu_irq *irqs, target_phys_addr_t base);
+void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr,
+		      target_phys_addr_t base);
+
+#define FLASH_SIZE 0x2000000
+#define INTMEM_SIZE (128 * 1024)
 
 static
 void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
@@ -49,10 +53,9 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
     CPUState *env;
     qemu_irq *pic;
     int kernel_size;
-    int flash_size = 0x800000;
     int index;
-    ram_addr_t phys_flash;
     ram_addr_t phys_ram;
+    ram_addr_t phys_intmem;
 
     /* init CPUs */
     if (cpu_model == NULL) {
@@ -68,36 +71,49 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
     /* Unached mapping.  */
     cpu_register_physical_memory(0xc0000000, ram_size, phys_ram | IO_MEM_RAM);
 
-    phys_flash = qemu_ram_alloc(flash_size);
-    cpu_register_physical_memory(0,flash_size, IO_MEM_ROM);
-    cpu_register_physical_memory(0x80000000, flash_size, IO_MEM_ROM);
-    cpu_register_physical_memory(0x04000000, flash_size, IO_MEM_ROM);
-    cpu_register_physical_memory(0x84000000, flash_size, 
+    /* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the 
+       internal memory. Cached and uncached mappings.  */
+    phys_intmem = qemu_ram_alloc(INTMEM_SIZE);
+    cpu_register_physical_memory(0xb8000000, INTMEM_SIZE, 
+				 phys_intmem | IO_MEM_RAM);
+    cpu_register_physical_memory(0x38000000, INTMEM_SIZE, 
+				 phys_intmem | IO_MEM_RAM);
+
+    cpu_register_physical_memory(0, FLASH_SIZE, IO_MEM_ROM);
+    cpu_register_physical_memory(0x80000000, FLASH_SIZE, IO_MEM_ROM);
+    cpu_register_physical_memory(0x04000000, FLASH_SIZE, IO_MEM_ROM);
+    cpu_register_physical_memory(0x84000000, FLASH_SIZE, 
 				 0x04000000 | IO_MEM_ROM);
     index = drive_get_index(IF_PFLASH, 0, 0);
-    pflash_cfi01_register(0x80000000, flash_size,
-			  drives_table[index].bdrv, 65536, flash_size >> 16,
-			  4, 0x0000, 0x0000, 0x0000, 0x0000);
-    index = drive_get_index(IF_PFLASH, 0, 1);
-    pflash_cfi01_register(0x84000000, flash_size,
-			  drives_table[index].bdrv, 65536, flash_size >> 16,
+    pflash_cfi01_register(0x80000000, FLASH_SIZE,
+			  drives_table[index].bdrv, 65536, FLASH_SIZE >> 16,
 			  4, 0x0000, 0x0000, 0x0000, 0x0000);
 
     pic = etraxfs_pic_init(env, 0xb001c000);
     /* 2 timers.  */
-    etraxfs_timer_init(env, pic, 0xb001e000);
-    etraxfs_timer_init(env, pic, 0xb005e000);
+    etraxfs_timer_init(env, pic + 26, 0xb001e000);
+    etraxfs_timer_init(env, pic + 26, 0xb005e000);
     /* 4 serial ports.  */
-    etraxfs_ser_init(env, pic, 0xb0026000);
-    etraxfs_ser_init(env, pic, 0xb0028000);
-    etraxfs_ser_init(env, pic, 0xb002a000);
-    etraxfs_ser_init(env, pic, 0xb002c000);
+    etraxfs_ser_init(env, pic + 19, serial_hds[0], 0xb0026000);
+    if (serial_hds[1])
+	    etraxfs_ser_init(env, pic + 20, serial_hds[1], 0xb0028000);
+    if (serial_hds[2])
+	    etraxfs_ser_init(env, pic + 21, serial_hds[2], 0xb002a000);
+    if (serial_hds[3])
+	    etraxfs_ser_init(env, pic + 22, serial_hds[3], 0xb002c000);
 
+#if 1
+    /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis devboard
+       SDK.  */
+    kernel_size = load_elf(kernel_filename, 0, &env->pc, NULL, NULL);
+#else
+    /* Takes a kimage from the axis devboard SDK.  */
     kernel_size = load_image(kernel_filename, phys_ram_base + 0x4000);
+    env->pc = 0x40004000;
+#endif
     /* magic for boot.  */
     env->regs[8] = 0x56902387;
     env->regs[9] = 0x40004000 + kernel_size;
-    env->pc = 0x40004000;
 
     {
        unsigned char *ptr = phys_ram_base + 0x4000;
-- 
2.7.4