Mapped iFP DRAM to 0xc00000 and enabled caching in this area.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8668 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 30 insertions, 6 deletions

diff --git a/apps/plugins/plugin.lds b/apps/plugins/plugin.lds
index 0e1657c559..f9c2406893 100644
--- a/apps/plugins/plugin.lds
+++ b/apps/plugins/plugin.lds
@@ -33,7 +33,7 @@ OUTPUT_FORMAT(elf32-sh)
 #define IRAMORIG 0x4000c000
 #define IRAMSIZE 0xc000
 #elif CONFIG_CPU == PNX0101
-#define DRAMORIG 0x24000000
+#define DRAMORIG 0xc00000 + STUBOFFSET
 #define IRAMORIG 0x408000
 #define IRAMSIZE 0x8000
 #else
diff --git a/firmware/app.lds b/firmware/app.lds
index e796f4a05b..74cca5a96a 100644
--- a/firmware/app.lds
+++ b/firmware/app.lds
@@ -127,7 +127,7 @@ _pluginbuf = 0;
 #define IRAMORIG 0x40000000
 #define IRAMSIZE 0xc000
 #elif CONFIG_CPU==PNX0101
-#define DRAMORIG 0x24000000 + STUBOFFSET
+#define DRAMORIG 0xc00000 + STUBOFFSET
 #define IRAMORIG 0x400000
 #define IRAMSIZE 0x8000
 #else
diff --git a/firmware/crt0.S b/firmware/crt0.S
index 264b9c9fe7..a207006c32 100644
--- a/firmware/crt0.S
+++ b/firmware/crt0.S
@@ -80,7 +80,31 @@ remap_start:
     mov    pc, r0
 L_post_remap: .word remap_end
 remap_end:
-#endif /* PP specific */
+
+#elif CONFIG_CPU == PNX0101
+
+#ifndef DEBUG
+    ldr    r0, =0x80105000
+    mov    r1, #1
+    str    r1, [r0, #4]
+    mov    r1, #0
+    str    r1, [r0, #4]
+1:  ldr    r1, [r0]
+    cmp    r1, #0
+    bne    1b
+    mov    r1, #0x74
+    str    r1, [r0, #8]
+    mov    r1, #2
+    str    r1, [r0, #0x18]      
+    mov    r1, #0x120
+    str    r1, [r0, #0x30]
+    mov    r1, #6
+    str    r1, [r0, #4]
+    ldr    r0, =1f
+    mov    r15, r0
+1:
+#endif /* !DEBUG */
+#endif /* chipset specific */
 
 #ifndef DEBUG
     /* Copy exception handler code to address 0 */
diff --git a/firmware/export/gdb_api.h b/firmware/export/gdb_api.h
index 896c8d399d..a395baabec 100644
--- a/firmware/export/gdb_api.h
+++ b/firmware/export/gdb_api.h
@@ -24,7 +24,7 @@
 
 #define GDB_API_MAGIC 0x6db570b
 #ifdef IRIVER_IFP7XX_SERIES
-#define GDB_API_ADDRESS 0x24006000
+#define GDB_API_ADDRESS 0xc06000
 #endif
 
 struct gdb_api
diff --git a/gdb/linker.cfg b/gdb/linker.cfg
index 46ec779817..af604e0379 100644
--- a/gdb/linker.cfg
+++ b/gdb/linker.cfg
@@ -13,8 +13,8 @@ OUTPUT_FORMAT(elf32-sh)
 MEMORY
 {
    IRAM : ORIGIN = 0, LENGTH = 0x10000
-   DRAM : ORIGIN = 0x24000000, LENGTH = 0x6000
-   DRAM_API : ORIGIN = 0x24006000, LENGTH = 0x100
+   DRAM : ORIGIN = 0xc00000, LENGTH = 0x6000
+   DRAM_API : ORIGIN = 0xc06000, LENGTH = 0x100
 }
 
 SECTIONS