[PATCH 07/13] qi-s3c2442-enable-d-cache.patch
Andy Green
andy at openmoko.com
Mon Dec 1 02:16:16 CET 2008
Seems we have no D-Cache enabled before? Also defeat AUX as EINT
Signed-off-by: Andy Green <andy at openmoko.com>
---
src/cpu/s3c2442/gta02.c | 6 +++++-
src/cpu/s3c2442/start.S | 2 +-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/cpu/s3c2442/gta02.c b/src/cpu/s3c2442/gta02.c
index 2ea520a..7b78b81 100644
--- a/src/cpu/s3c2442/gta02.c
+++ b/src/cpu/s3c2442/gta02.c
@@ -168,7 +168,7 @@ void port_init_gta02(void)
* Binary : 01 01 , 01 01 , 10 10 , 10 10
*/
/* pulldown on GPF03: TP-4705+debug - debug conn will float */
- rGPFCON = 0x0000AAAA;
+ rGPFCON = 0x00008AAA;
rGPFUP = 0x000000FF & ~(1 << 3);
rGPFDAT = 0x00000000;
@@ -366,6 +366,10 @@ static void close_gta02(void)
/* set I2C GPIO back to peripheral unit */
(bb_s3c24xx.close)();
+
+ /* aux back to being EINT */
+ rGPFCON = 0x0000AAAA;
+
}
static u8 get_ui_keys_gta02(void)
diff --git a/src/cpu/s3c2442/start.S b/src/cpu/s3c2442/start.S
index eaab799..6ff9194 100644
--- a/src/cpu/s3c2442/start.S
+++ b/src/cpu/s3c2442/start.S
@@ -298,7 +298,7 @@ cpu_init_crit:
bic r0, r0, #0x00002300 @ clear bits 13, 9:8 (--V- --RS)
bic r0, r0, #0x00000087 @ clear bits 7, 2:0 (B--- -CAM)
orr r0, r0, #0x00000002 @ set bit 2 (A) Align
- orr r0, r0, #0x00001000 @ set bit 12 (I) I-Cache
+ orr r0, r0, #0x00005000 @ set bits 14, 12 D and I-Cache
mcr p15, 0, r0, c1, c0, 0
/*
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