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| author | Wolfgang Denk <wd@pollux.denx.de> | 2005-08-19 00:36:45 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.denx.de> | 2005-08-19 00:36:45 +0200 |
| commit | df3c7c8f52473297e4049efd8309d3ea944606f7 (patch) | |
| tree | 24e59a11ed216942689efa245cfa016201db3812 | |
| parent | 601aed1e8f90c7e9a17f7e448cc21969d821bf50 (diff) | |
| download | u-boot-imx-df3c7c8f52473297e4049efd8309d3ea944606f7.zip u-boot-imx-df3c7c8f52473297e4049efd8309d3ea944606f7.tar.gz u-boot-imx-df3c7c8f52473297e4049efd8309d3ea944606f7.tar.bz2 | |
Change main clock on CMC-PU2 board from 207 MHz to 179 MHz
because of a bug in the AT91RM9200 CPU PLL
Patch by Martin Krause, 22 Apr 2005
| -rw-r--r-- | CHANGELOG | 4 | ||||
| -rw-r--r-- | include/configs/cmc_pu2.h | 4 |
2 files changed, 6 insertions, 2 deletions
@@ -2,6 +2,10 @@ Changes for U-Boot 1.1.4: ====================================================================== +* Change main clock on CMC-PU2 board from 207 MHz to 179 MHz + because of a bug in the AT91RM9200 CPU PLL + Patch by Martin Krause, 22 Apr 2005 + * Add automatic HW detection for another CMC_PU2 variant Patch by Martin Krause, 20 Apr 2005 diff --git a/include/configs/cmc_pu2.h b/include/configs/cmc_pu2.h index 3554355..9ed538b 100644 --- a/include/configs/cmc_pu2.h +++ b/include/configs/cmc_pu2.h @@ -26,7 +26,7 @@ #define __CONFIG_H /* ARM asynchronous clock */ -#define AT91C_MAIN_CLOCK 207360000 /* from 18.432 MHz crystal (18432000 / 4 * 45) */ +#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */ #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK/3) /* peripheral clock */ #define AT91_SLOW_CLOCK 32768 /* slow clock */ @@ -53,7 +53,7 @@ #define SMC2_CSR_VAL 0x100032ad /* 16bit, 2 TDF, 4 WS */ /* clocks */ -#define PLLAR_VAL 0x202CBE04 /* 207.360 MHz for PCK */ +#define PLLAR_VAL 0x2026BE04 /* 179,712 MHz for PCK */ #define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ #define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 69.120MHz from PLLA */ |