/* clocks that should not be disabled at runtime */ #define IPROC_CLK_AON BIT(0)
/* PLL that requires gating through ASIU */ #define IPROC_CLK_PLL_ASIU BIT(1)
/* PLL that has fractional part of the NDIV */ #define IPROC_CLK_PLL_HAS_NDIV_FRAC BIT(2)
/* * Some of the iProc PLL/clocks may have an ASIC bug that requires read back * of the same register following the write to flush the write transaction into * the intended register
*/ #define IPROC_CLK_NEEDS_READ_BACK BIT(3)
/* * Some PLLs require the PLL SW override bit to be set before changes can be * applied to the PLL
*/ #define IPROC_CLK_PLL_NEEDS_SW_CFG BIT(4)
/* * Some PLLs use a different way to control clock power, via the PWRDWN bit in * the PLL control register
*/ #define IPROC_CLK_EMBED_PWRCTRL BIT(5)
/* * Some PLLs have separate registers for Status and Control. Identify this to * let the driver know if additional registers need to be used
*/ #define IPROC_CLK_PLL_SPLIT_STAT_CTRL BIT(6)
/* * Some PLLs have an additional divide by 2 in master clock calculation; * MCLK = VCO_freq / (Mdiv * 2). Identify this to let the driver know * of modified calculations
*/ #define IPROC_CLK_MCLK_DIV_BY_2 BIT(7)
/* * Some PLLs provide a look up table for the leaf clock frequencies and * auto calculates VCO frequency parameters based on the provided leaf * clock frequencies. They have a user mode that allows the divider * controls to be determined by the user
*/ #define IPROC_CLK_PLL_USER_MODE_ON BIT(8)
/* * Some PLLs have an active low reset
*/ #define IPROC_CLK_PLL_RESET_ACTIVE_LOW BIT(9)
/* * Calculate the PLL parameters are runtime, instead of using table
*/ #define IPROC_CLK_PLL_CALC_PARAM BIT(10)
/* * Parameters for VCO frequency configuration * * VCO frequency = * ((ndiv_int + ndiv_frac / 2^20) * (ref frequency / pdiv)
*/ struct iproc_pll_vco_param { unsignedlong rate; unsignedint ndiv_int; unsignedint ndiv_frac; unsignedint pdiv;
};
/* * Clock gating control at the top ASIU level
*/ struct iproc_asiu_gate { unsignedint offset; unsignedint en_shift;
};
/* * Control of powering on/off of a PLL * * Before powering off a PLL, input isolation (ISO) needs to be enabled
*/ struct iproc_pll_aon_pwr_ctrl { unsignedint offset; unsignedint pwr_width; unsignedint pwr_shift; unsignedint iso_shift;
};
/* * Control of the PLL reset
*/ struct iproc_pll_reset_ctrl { unsignedint offset; unsignedint reset_shift; unsignedint p_reset_shift;
};
/* * Control of the Ki, Kp, and Ka parameters
*/ struct iproc_pll_dig_filter_ctrl { unsignedint offset; unsignedint ki_shift; unsignedint ki_width; unsignedint kp_shift; unsignedint kp_width; unsignedint ka_shift; unsignedint ka_width;
};
/* * To enable SW control of the PLL
*/ struct iproc_pll_sw_ctrl { unsignedint offset; unsignedint shift;
};
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