diff options
Diffstat (limited to 'arch/powerpc/cpu')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index faca451..f26de6c 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -107,25 +107,45 @@ void get_sys_info (sys_info_t * sysInfo) #define PME_CLK_SEL 0x80000000 #define FM1_CLK_SEL 0x40000000 #define FM2_CLK_SEL 0x20000000 +#define HWA_ASYNC_DIV 0x04000000 +#if (CONFIG_SYS_FSL_NUM_CC_PLLS == 2) +#define HWA_CC_PLL 1 +#elif (CONFIG_SYS_FSL_NUM_CC_PLLS == 4) +#define HWA_CC_PLL 2 +#else +#error CONFIG_SYS_FSL_NUM_CC_PLLS not set or unknown case +#endif rcw_tmp = in_be32(&gur->rcwsr[7]); #ifdef CONFIG_SYS_DPAA_PME - if (rcw_tmp & PME_CLK_SEL) - sysInfo->freqPME = freqCC_PLL[2] / 2; - else + if (rcw_tmp & PME_CLK_SEL) { + if (rcw_tmp & HWA_ASYNC_DIV) + sysInfo->freqPME = freqCC_PLL[HWA_CC_PLL] / 4; + else + sysInfo->freqPME = freqCC_PLL[HWA_CC_PLL] / 2; + } else { sysInfo->freqPME = sysInfo->freqSystemBus / 2; + } #endif #ifdef CONFIG_SYS_DPAA_FMAN - if (rcw_tmp & FM1_CLK_SEL) - sysInfo->freqFMan[0] = freqCC_PLL[2] / 2; - else + if (rcw_tmp & FM1_CLK_SEL) { + if (rcw_tmp & HWA_ASYNC_DIV) + sysInfo->freqFMan[0] = freqCC_PLL[HWA_CC_PLL] / 4; + else + sysInfo->freqFMan[0] = freqCC_PLL[HWA_CC_PLL] / 2; + } else { sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2; + } #if (CONFIG_SYS_NUM_FMAN) == 2 - if (rcw_tmp & FM2_CLK_SEL) - sysInfo->freqFMan[1] = freqCC_PLL[2] / 2; - else + if (rcw_tmp & FM2_CLK_SEL) { + if (rcw_tmp & HWA_ASYNC_DIV) + sysInfo->freqFMan[1] = freqCC_PLL[HWA_CC_PLL] / 4; + else + sysInfo->freqFMan[1] = freqCC_PLL[HWA_CC_PLL] / 2; + } else { sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2; + } #endif #endif |