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authorMagnus Damm <damm@opensource.se>2010-05-18 14:43:15 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-05-31 13:11:54 +0900
commit4705b2e8047221142af2ed5e37f54ac4c7f80a7d (patch)
tree5e0d52a2f3ffebfd56f1f2d69f6be3b7ac72d7ad /arch/sh/include/mach-ecovec24
parent8a768952ca8cb5cad98cfa343e6fb131e3bbdc3e (diff)
sh: add romImage MMCIF boot for sh7724 and Ecovec V2
This patch is V2 of the MMCIF romImage boot support for sh7724 and the Ecovec board. With this patch applied and CONFIG_ROMIMAGE_MMCIF selected the romImage kernel image can be written to a MMC card and booted directly by the sh7724 cpu. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/mach-ecovec24')
-rw-r--r--arch/sh/include/mach-ecovec24/mach/romimage.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sh/include/mach-ecovec24/mach/romimage.h b/arch/sh/include/mach-ecovec24/mach/romimage.h
index 1c8787ecb1c1..1dcf5e6c8d83 100644
--- a/arch/sh/include/mach-ecovec24/mach/romimage.h
+++ b/arch/sh/include/mach-ecovec24/mach/romimage.h
@@ -1,3 +1,5 @@
+#ifdef __ASSEMBLY__
+
/* EcoVec board specific boot code:
* converts the "partner-jet-script.txt" script into assembly
* the assembly code is the first code to be executed in the romImage
@@ -18,3 +20,28 @@
.align 2
1 : .long 0xa8000000
2 :
+
+#else /* __ASSEMBLY__ */
+
+/* Ecovec board specific information:
+ *
+ * Set the following to enable MMCIF boot from the MMC card in CN12:
+ *
+ * DS1.5 = OFF (SH BOOT pin set to L)
+ * DS2.6 = OFF (Select MMCIF on CN12 instead of SDHI1)
+ * DS2.7 = ON (Select MMCIF on CN12 instead of SDHI1)
+ *
+ */
+#define HIZCRA 0xa4050158
+#define PGDR 0xa405012c
+
+extern inline void mmcif_update_progress(int nr)
+{
+ /* disable Hi-Z for LED pins */
+ __raw_writew(__raw_readw(HIZCRA) & ~(1 << 1), HIZCRA);
+
+ /* update progress on LED4, LED5, LED6 and LED7 */
+ __raw_writeb(1 << (nr - 1), PGDR);
+}
+
+#endif /* __ASSEMBLY__ */