[U-Boot] [PATCH] eb_cpux9k2: fix chip select
y at jenslinux.site
y at jenslinux.site
Sun Apr 29 15:33:21 CEST 2012
From: Jens Scharsig <js_at_ng at scharsoft.de>
* fix chip select initialization for frame buffer, this will be
increase frame buffer access speed
Signed-off-by: Jens Scharsig <js_at_ng at scharsoft.de>
---
board/BuS/eb_cpux9k2/cpux9k2.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/board/BuS/eb_cpux9k2/cpux9k2.c b/board/BuS/eb_cpux9k2/cpux9k2.c
index 54f9b64..15a31be 100644
--- a/board/BuS/eb_cpux9k2/cpux9k2.c
+++ b/board/BuS/eb_cpux9k2/cpux9k2.c
@@ -269,9 +269,9 @@ int drv_video_init(void)
display_height = 256;
printf("%ld x %ld pixel matrix\n", display_width, display_height);
- /* RWH = 7 | RWS =7 | TDF = 15 | NWS = 0x7F */
- csr = AT91_SMC_CSR_RWHOLD(7) | AT91_SMC_CSR_RWSETUP(7) |
- AT91_SMC_CSR_TDF(15) | AT91_SMC_CSR_NWS(127) |
+ /* RWH = 2 | RWS =2 | TDF = 4 | NWS = 0x6 */
+ csr = AT91_SMC_CSR_RWHOLD(2) | AT91_SMC_CSR_RWSETUP(2) |
+ AT91_SMC_CSR_TDF(4) | AT91_SMC_CSR_NWS(6) |
AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_16 |
AT91_SMC_CSR_BAT_16 | AT91_SMC_CSR_WSEN;
writel(csr, &mc->smc.csr[2]);
--
1.7.7
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