/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /** * @file * @brief phyCORE-i.MX27 specific PLL setup */ #ifndef __PCM038_PLL_H #define __PCM038_PLL_H /* define the PLL setting we want to run the system */ /* main clock divider settings immediately after reset (at 1.25 V core supply) */ #define CSCR_VAL (CSCR_USB_DIV(3) | \ CSCR_SD_CNT(3) | \ CSCR_MSHC_SEL | \ CSCR_H264_SEL | \ CSCR_SSI1_SEL | \ CSCR_SSI2_SEL | \ CSCR_SP_SEL | /* 26 MHz reference */ \ CSCR_MCU_SEL | /* 26 MHz reference */ \ CSCR_ARM_DIV(0) | /* CPU runs at MPLL/3 clock */ \ CSCR_AHB_DIV(1) | /* AHB runs at MPLL/6 clock */ \ CSCR_FPM_EN | \ CSCR_SPEN | \ CSCR_MPEN) /* main clock divider settings after core voltage increases to 1.45 V */ #define CSCR_VAL_FINAL (CSCR_USB_DIV(3) | \ CSCR_SD_CNT(3) | \ CSCR_MSHC_SEL | \ CSCR_H264_SEL | \ CSCR_SSI1_SEL | \ CSCR_SSI2_SEL | \ CSCR_SP_SEL | /* 26 MHz reference */ \ CSCR_MCU_SEL | /* 26 MHz reference */ \ CSCR_ARM_SRC_MPLL | /* use main MPLL clock */ \ CSCR_ARM_DIV(0) | /* CPU run at full MPLL clock */ \ CSCR_AHB_DIV(1) | /* AHB runs at MPLL/6 clock */ \ CSCR_FPM_EN | /* do not disable it! */ \ CSCR_SPEN | \ CSCR_MPEN) /* MPLL should provide a 399 MHz clock from the 26 MHz reference */ #define MPCTL0_VAL (IMX_PLL_PD(0) | \ IMX_PLL_MFD(51) | \ IMX_PLL_MFI(7) | \ IMX_PLL_MFN(35)) /* SPLL should provide a 240 MHz clock from the 26 MHz reference */ #define SPCTL0_VAL (IMX_PLL_PD(1) | \ IMX_PLL_MFD(12) | \ IMX_PLL_MFI(9) | \ IMX_PLL_MFN(3)) #endif /* __PCM038_PLL_H */