diff options
Diffstat (limited to 'platform/drivers/src/ccm_analog_imx7d.c')
| -rw-r--r-- | platform/drivers/src/ccm_analog_imx7d.c | 201 |
1 files changed, 198 insertions, 3 deletions
diff --git a/platform/drivers/src/ccm_analog_imx7d.c b/platform/drivers/src/ccm_analog_imx7d.c index 3493690..0264202 100644 --- a/platform/drivers/src/ccm_analog_imx7d.c +++ b/platform/drivers/src/ccm_analog_imx7d.c @@ -36,6 +36,20 @@ /*FUNCTION********************************************************************** * + * Function Name : CCM_ANALOG_GetArmPllFreq + * Description : Get ARM PLL frequency + * + *END**************************************************************************/ +uint32_t CCM_ANALOG_GetArmPllFreq(CCM_ANALOG_Type * base) +{ + if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPllArmControl)) + return 24000000ul; + + return 12000000ul * (CCM_ANALOG_PLL_ARM & CCM_ANALOG_PLL_ARM_DIV_SELECT_MASK); +} + +/*FUNCTION********************************************************************** + * * Function Name : CCM_ANALOG_GetSysPllFreq * Description : Get system PLL frequency * @@ -43,12 +57,193 @@ uint32_t CCM_ANALOG_GetSysPllFreq(CCM_ANALOG_Type * base) { if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPll480Control)) - return 24000000; + return 24000000ul; if (CCM_ANALOG_PLL_480 & CCM_ANALOG_PLL_480_DIV_SELECT_MASK) - return 528000000; + return 528000000ul; + else + return 480000000ul; +} + +/*FUNCTION********************************************************************** + * + * Function Name : CCM_ANALOG_GetDdrPllFreq + * Description : Get DDR PLL frequency + * + *END**************************************************************************/ +uint32_t CCM_ANALOG_GetDdrPllFreq(CCM_ANALOG_Type * base) +{ + uint8_t divSelect, divTestSelect; + float factor; + + if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPllDdrControl)) + return 24000000ul; + + divSelect = CCM_ANALOG_PLL_DDR_REG(CCM_ANALOG) & CCM_ANALOG_PLL_DDR_DIV_SELECT_MASK; + divTestSelect = (CCM_ANALOG_PLL_DDR_REG(CCM_ANALOG) & CCM_ANALOG_PLL_DDR_TEST_DIV_SELECT_MASK) >> + CCM_ANALOG_PLL_DDR_TEST_DIV_SELECT_SHIFT; + + switch (divTestSelect) + { + case 0x0: + divTestSelect = 2; + break; + case 0x1: + divTestSelect = 1; + break; + case 0x2: + case 0x3: + divTestSelect = 0; + break; + } + + if (CCM_ANALOG_PLL_DDR_SS_REG(base) & CCM_ANALOG_PLL_DDR_SS_ENABLE_MASK) + { + factor = ((float)(CCM_ANALOG_PLL_DDR_SS_REG(base) & CCM_ANALOG_PLL_DDR_SS_STEP_MASK)) / + ((float)(CCM_ANALOG_PLL_DDR_DENOM_REG(base) & CCM_ANALOG_PLL_DDR_DENOM_B_MASK)) * + ((float)(CCM_ANALOG_PLL_DDR_NUM_REG(base) & CCM_ANALOG_PLL_DDR_NUM_A_MASK)); + return (uint32_t)((24000000ul >> divTestSelect) * (divSelect + factor)); + } + else + { + return (24000000ul >> divTestSelect) * divSelect; + } +} + +/*FUNCTION********************************************************************** + * + * Function Name : CCM_ANALOG_GetEnetPllFreq + * Description : Get Ethernet PLL frequency + * + *END**************************************************************************/ +uint32_t CCM_ANALOG_GetEnetPllFreq(CCM_ANALOG_Type * base) +{ + if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPllEnetControl)) + return 24000000ul; + + return 1000000000ul; +} + +/*FUNCTION********************************************************************** + * + * Function Name : CCM_ANALOG_GetAudioPllFreq + * Description : Get Ethernet PLL frequency + * + *END**************************************************************************/ +uint32_t CCM_ANALOG_GetAudioPllFreq(CCM_ANALOG_Type * base) +{ + uint8_t divSelect, divPostSelect, divTestSelect; + float factor; + + if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPllAudioControl)) + return 24000000ul; + + divSelect = CCM_ANALOG_PLL_AUDIO_REG(CCM_ANALOG) & CCM_ANALOG_PLL_AUDIO_DIV_SELECT_MASK; + divPostSelect = (CCM_ANALOG_PLL_AUDIO_REG(CCM_ANALOG) & CCM_ANALOG_PLL_AUDIO_POST_DIV_SEL_MASK) >> + CCM_ANALOG_PLL_AUDIO_POST_DIV_SEL_SHIFT; + divTestSelect = (CCM_ANALOG_PLL_AUDIO_REG(CCM_ANALOG) & CCM_ANALOG_PLL_AUDIO_TEST_DIV_SELECT_MASK) >> + CCM_ANALOG_PLL_AUDIO_TEST_DIV_SELECT_SHIFT; + + switch (divPostSelect) + { + case 0x0: + case 0x2: + divPostSelect = 0; + break; + case 0x1: + divPostSelect = 1; + break; + case 0x3: + divPostSelect = 2; + break; + } + + switch (divTestSelect) + { + case 0x0: + divTestSelect = 2; + break; + case 0x1: + divTestSelect = 1; + break; + case 0x2: + case 0x3: + divTestSelect = 0; + break; + } + + if (CCM_ANALOG_PLL_AUDIO_SS_REG(base) & CCM_ANALOG_PLL_AUDIO_SS_ENABLE_MASK) + { + factor = ((float)(CCM_ANALOG_PLL_AUDIO_SS_REG(base) & CCM_ANALOG_PLL_AUDIO_SS_STEP_MASK)) / + ((float)(CCM_ANALOG_PLL_AUDIO_DENOM_REG(base) & CCM_ANALOG_PLL_AUDIO_DENOM_B_MASK)) * + ((float)(CCM_ANALOG_PLL_AUDIO_NUM_REG(base) & CCM_ANALOG_PLL_AUDIO_NUM_A_MASK)); + return (uint32_t)(((24000000ul >> divTestSelect) >> divPostSelect) * (divSelect + factor)); + } + else + { + return ((24000000ul >> divTestSelect) >> divPostSelect) * divSelect; + } +} + +/*FUNCTION********************************************************************** + * + * Function Name : CCM_ANALOG_GetVideoPllFreq + * Description : Get Ethernet PLL frequency + * + *END**************************************************************************/ +uint32_t CCM_ANALOG_GetVideoPllFreq(CCM_ANALOG_Type * base) +{ + uint8_t divSelect, divPostSelect, divTestSelect; + float factor; + + if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPllVideoControl)) + return 24000000ul; + + divSelect = CCM_ANALOG_PLL_VIDEO_REG(CCM_ANALOG) & CCM_ANALOG_PLL_VIDEO_DIV_SELECT_MASK; + divPostSelect = (CCM_ANALOG_PLL_VIDEO_REG(CCM_ANALOG) & CCM_ANALOG_PLL_VIDEO_POST_DIV_SEL_MASK) >> + CCM_ANALOG_PLL_VIDEO_POST_DIV_SEL_SHIFT; + divTestSelect = (CCM_ANALOG_PLL_VIDEO_REG(CCM_ANALOG) & CCM_ANALOG_PLL_VIDEO_TEST_DIV_SELECT_MASK) >> + CCM_ANALOG_PLL_VIDEO_TEST_DIV_SELECT_SHIFT; + + switch (divPostSelect) + { + case 0x0: + case 0x2: + divPostSelect = 0; + break; + case 0x1: + divPostSelect = 1; + break; + case 0x3: + divPostSelect = 2; + break; + } + + switch (divTestSelect) + { + case 0x0: + divTestSelect = 2; + break; + case 0x1: + divTestSelect = 1; + break; + case 0x2: + case 0x3: + divTestSelect = 0; + break; + } + + if (CCM_ANALOG_PLL_VIDEO_SS_REG(base) & CCM_ANALOG_PLL_VIDEO_SS_ENABLE_MASK) + { + factor = ((float)(CCM_ANALOG_PLL_VIDEO_SS_REG(base) & CCM_ANALOG_PLL_VIDEO_SS_STEP_MASK)) / + ((float)(CCM_ANALOG_PLL_VIDEO_DENOM_REG(base) & CCM_ANALOG_PLL_VIDEO_DENOM_B_MASK)) * + ((float)(CCM_ANALOG_PLL_VIDEO_NUM_REG(base) & CCM_ANALOG_PLL_VIDEO_NUM_A_MASK)); + return (uint32_t)(((24000000ul >> divTestSelect) >> divPostSelect) * (divSelect + factor)); + } else - return 480000000; + { + return ((24000000ul >> divTestSelect) >> divPostSelect) * divSelect; + } } /*FUNCTION********************************************************************** |