diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 28 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/immap_85xx.h | 4 |
3 files changed, 25 insertions, 21 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 0cc6e03..15b7b23 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -1,5 +1,5 @@ /* - * Copyright 2004,2007-2009 Freescale Semiconductor, Inc. + * Copyright 2004,2007-2010 Freescale Semiconductor, Inc. * (C) Copyright 2002, 2003 Motorola Inc. * Xianghua Xiao (X.Xiao@motorola.com) * @@ -44,21 +44,17 @@ int checkcpu (void) uint major, minor; struct cpu_type *cpu; char buf1[32], buf2[32]; -#ifdef CONFIG_DDR_CLK_FREQ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); -#ifdef CONFIG_FSL_CORENET - u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) - >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT; -#else +#ifdef CONFIG_DDR_CLK_FREQ u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO) >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; -#endif #else #ifdef CONFIG_FSL_CORENET - u32 ddr_sync = 0; + u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) + >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT; #else u32 ddr_ratio = 0; -#endif +#endif /* CONFIG_FSL_CORENET */ #endif /* CONFIG_DDR_CLK_FREQ */ int i; diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index 268edbc..8132115 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -1,5 +1,5 @@ /* - * Copyright 2004, 2007-2009 Freescale Semiconductor, Inc. + * Copyright 2004, 2007-2010 Freescale Semiconductor, Inc. * * (C) Copyright 2003 Motorola Inc. * Xianghua Xiao, (X.Xiao@motorola.com) @@ -71,22 +71,30 @@ void get_sys_info (sys_info_t * sysInfo) [14] = 4, /* CC4 PPL / 4 */ }; uint lcrr_div, i, freqCC_PLL[4], rcw_tmp; + uint ratio[4]; unsigned long sysclk = CONFIG_SYS_CLK_FREQ; + uint mem_pll_rat; sysInfo->freqSystemBus = sysclk; sysInfo->freqDDRBus = sysclk; - freqCC_PLL[0] = sysclk; - freqCC_PLL[1] = sysclk; - freqCC_PLL[2] = sysclk; - freqCC_PLL[3] = sysclk; sysInfo->freqSystemBus *= (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; - sysInfo->freqDDRBus *= ((in_be32(&gur->rcwsr[0]) >> 17) & 0x1f); - freqCC_PLL[0] *= (in_be32(&clk->pllc1gsr) >> 1) & 0x3f; - freqCC_PLL[1] *= (in_be32(&clk->pllc2gsr) >> 1) & 0x3f; - freqCC_PLL[2] *= (in_be32(&clk->pllc3gsr) >> 1) & 0x3f; - freqCC_PLL[3] *= (in_be32(&clk->pllc4gsr) >> 1) & 0x3f; + mem_pll_rat = (in_be32(&gur->rcwsr[0]) >> 17) & 0x1f; + if (mem_pll_rat > 2) + sysInfo->freqDDRBus *= mem_pll_rat; + else + sysInfo->freqDDRBus = sysInfo->freqSystemBus * mem_pll_rat; + ratio[0] = (in_be32(&clk->pllc1gsr) >> 1) & 0x3f; + ratio[1] = (in_be32(&clk->pllc2gsr) >> 1) & 0x3f; + ratio[2] = (in_be32(&clk->pllc3gsr) >> 1) & 0x3f; + ratio[3] = (in_be32(&clk->pllc4gsr) >> 1) & 0x3f; + for (i = 0; i < 4; i++) { + if (ratio[i] > 4) + freqCC_PLL[i] = sysclk * ratio[i]; + else + freqCC_PLL[i] = sysInfo->freqSystemBus * ratio[i]; + } rcw_tmp = in_be32(&gur->rcwsr[3]); for (i = 0; i < cpu_numcores(); i++) { u32 c_pll_sel = (in_be32(&clk->clkc0csr + i*8) >> 27) & 0xf; diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h index 957ad76..dd28e32 100644 --- a/arch/powerpc/include/asm/immap_85xx.h +++ b/arch/powerpc/include/asm/immap_85xx.h @@ -1697,8 +1697,8 @@ typedef struct ccsr_gur { u8 res17[24]; u32 rcwsr[16]; /* Reset control word status */ #define FSL_CORENET_RCWSR4_SRDS_PRTCL 0xfc000000 -#define FSL_CORENET_RCWSR5_DDR_SYNC 0x00008000 -#define FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT 15 +#define FSL_CORENET_RCWSR5_DDR_SYNC 0x00000080 +#define FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT 7 #define FSL_CORENET_RCWSR7_MCK_TO_PLAT_RAT 0x00400000 #define FSL_CORENET_RCWSR8_HOST_AGT_B1 0x00e00000 #define FSL_CORENET_RCWSR8_HOST_AGT_B2 0x00100000 |