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eb_cpux9k2: fix chip select

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* fix chip select initialization for frame buffer, this will be
  increase frame buffer access speed

Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
This commit is contained in:
Jens Scharsig 2012-04-29 04:15:15 +00:00 committed by Andreas Bießmann
parent a9f1a48933
commit 3bb183be71
1 changed files with 3 additions and 3 deletions
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6
board/BuS/eb_cpux9k2/cpux9k2.c
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@ -267,9 +267,9 @@ 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]);