From df3c7c8f52473297e4049efd8309d3ea944606f7 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Fri, 19 Aug 2005 00:36:45 +0200 Subject: [PATCH] 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 --- CHANGELOG | 4 ++++ include/configs/cmc_pu2.h | 4 ++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index 56f353997b..cf0dec01a3 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -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 3554355426..9ed538b110 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 */ -- 2.39.5