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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-05 00:42:09 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-05 00:42:09 +0200
commit999fd1ab344dabd9c985b638bf4c29495b8e4619 (patch)
treeb4a238aafc79caa085e469ee28ab61301ca17f8f /arch/sh/boot/romimage/head.S
parentMerge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mc... (diff)
parentsh: Make intc messages consistent via pr_fmt. (diff)
downloadlinux-999fd1ab344dabd9c985b638bf4c29495b8e4619.tar.xz
linux-999fd1ab344dabd9c985b638bf4c29495b8e4619.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits) sh: Make intc messages consistent via pr_fmt. sh: make sure static declaration on ms7724se sh: make sure static declaration on mach-migor sh: make sure static declaration on mach-ecovec24 sh: make sure static declaration on mach-ap325rxa clocksource: sh_cmt: compute mult and shift before registration clocksource: sh_tmu: compute mult and shift before registration sh: PIO disabling for x3proto and urquell. sh: mach-sdk7786: conditionally disable PIO support. sh: support for platforms without PIO. usb: r8a66597-hcd pio to mmio accessor conversion. usb: gadget: r8a66597-udc pio to mmio accessor conversion. usb: gadget: m66592-udc pio to mmio accessor conversion. sh: add romImage MMCIF boot for sh7724 and Ecovec V2 sh: add boot code to MMCIF driver header sh: prepare MMCIF driver header file sh: allow romImage data between head.S and the zero page sh: Add support MMCIF for ecovec sh: remove duplicated #include input: serio: disable i8042 for non-cayman sh platforms. ...
Diffstat (limited to 'arch/sh/boot/romimage/head.S')
-rw-r--r--arch/sh/boot/romimage/head.S42
1 files changed, 39 insertions, 3 deletions
diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S
index 93e779a405ec..4671d1b82150 100644
--- a/arch/sh/boot/romimage/head.S
+++ b/arch/sh/boot/romimage/head.S
@@ -12,8 +12,40 @@ romstart:
/* include board specific setup code */
#include <mach/romimage.h>
+#ifdef CONFIG_ROMIMAGE_MMCIF
+ /* load the romImage to above the empty zero page */
+ mov.l empty_zero_page_dst, r4
+ mov.l empty_zero_page_dst_adj, r5
+ add r5, r4
+ mov.l bytes_to_load, r5
+ mov.l loader_function, r7
+ jsr @r7
+ mov r4, r15
+
+ mov.l empty_zero_page_dst, r4
+ mov.l empty_zero_page_dst_adj, r5
+ add r5, r4
+ mov.l loaded_code_offs, r5
+ add r5, r4
+ jmp @r4
+ nop
+
+ .balign 4
+empty_zero_page_dst_adj:
+ .long PAGE_SIZE
+bytes_to_load:
+ .long end_data - romstart
+loader_function:
+ .long mmcif_loader
+loaded_code_offs:
+ .long loaded_code - romstart
+loaded_code:
+#endif /* CONFIG_ROMIMAGE_MMCIF */
+
/* copy the empty_zero_page contents to where vmlinux expects it */
- mova empty_zero_page_src, r0
+ mova extra_data_pos, r0
+ mov.l extra_data_size, r1
+ add r1, r0
mov.l empty_zero_page_dst, r1
mov #(PAGE_SHIFT - 4), r4
mov #1, r3
@@ -37,7 +69,9 @@ romstart:
mov #PAGE_SHIFT, r4
mov #1, r1
shld r4, r1
- mova empty_zero_page_src, r0
+ mova extra_data_pos, r0
+ add r1, r0
+ mov.l extra_data_size, r1
add r1, r0
jmp @r0
nop
@@ -45,4 +79,6 @@ romstart:
.align 2
empty_zero_page_dst:
.long _text
-empty_zero_page_src:
+extra_data_pos:
+extra_data_size:
+ .long zero_page_pos - extra_data_pos