From 379c5145ef8f3adbcfeb0a47503838627959cb67 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 8 Oct 2012 07:44:16 +0000 Subject: [PATCH] powerpc/corenet2: fix mismatch DDR sync bit from RCW Corenet 2nd generation Chassis doesn't have ddr_sync bit in RCW. Only async mode is supported. Signed-off-by: York Sun Signed-off-by: Andy Fleming --- arch/powerpc/cpu/mpc85xx/cpu.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 40cce1d..f493483 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -60,7 +60,8 @@ int checkcpu (void) uint major, minor; struct cpu_type *cpu; char buf1[32], buf2[32]; -#if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET) +#if defined(CONFIG_DDR_CLK_FREQ) || \ + (defined(CONFIG_FSL_CORENET) && !defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)) volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); #endif /* CONFIG_FSL_CORENET */ #ifdef CONFIG_DDR_CLK_FREQ @@ -68,8 +69,13 @@ int checkcpu (void) >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; #else #ifdef CONFIG_FSL_CORENET - u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) + u32 ddr_sync ; +#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 + ddr_sync = 0; /* only async mode is supported */ +#else + ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT; +#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ #else u32 ddr_ratio = 0; #endif /* CONFIG_FSL_CORENET */ -- 2.7.4