/**************************************************************************** * configs/ea3131/src/up_clkinit.c * arch/arm/src/board/up_clkinit.c * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * References: * - NXP UM10314 LPC3130/31 User manual Rev. 1.01 — 9 September 2009 * - NXP lpc313x.cdl.drivers.zip example driver code * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include "lpc313x_cgu.h" #include "lpc313x_cgudrvr.h" /**************************************************************************** * Definitions ****************************************************************************/ /* Sub-domain Clock Bitsets *************************************************/ /* The following bitsets group clocks into bitsets associated with each * domain and fractional divider subdomain. * * Domain 0 (DOMAINID_SYS), Clocks 0 - 29, Fraction dividers 0-6. Clocks not * defined in the clock sets will be sourced with SYS_BASE_CLK. */ /* Domain 0, Fractional divider 0: */ #define CGU_CLKSET_DOMAIN0_DIV0 \ (_D0B(CLKID_APB0CLK)|_D0B(CLKID_APB1CLK)|_D0B(CLKID_APB2CLK)|\ _D0B(CLKID_APB3CLK)|_D0B(CLKID_APB4CLK)|_D0B(CLKID_AHB2INTCCLK)|\ _D0B(CLKID_AHB0CLK)|_D0B(CLKID_DMAPCLK)|_D0B(CLKID_DMACLKGATED)|\ _D0B(CLKID_NANDFLASHS0CLK)|_D0B(CLKID_NANDFLASHPCLK)|\ _D0B(CLKID_ARM926BUSIFCLK)|_D0B(CLKID_SDMMCHCLK)|_D0B(CLKID_USBOTGAHBCLK)|\ _D0B(CLKID_ISRAM0CLK)|_D0B(CLKID_ISRAM1CLK)|_D0B(CLKID_ISROMCLK)|\ _D0B(CLKID_MPMCCFGCLK)|_D0B(CLKID_MPMCCFGCLK2)|_D0B(CLKID_INTCCLK)) /* Domain 0, Fractional divider 1: */ #define CGU_CLKSET_DOMAIN0_DIV1 \ (_D0B(CLKID_ARM926CORECLK)) /* Domain 0, Fractional divider 2: */ #define CGU_CLKSET_DOMAIN0_DIV2 \ (_D0B(CLKID_NANDFLASHAESCLK)|_D0B(CLKID_NANDFLASHNANDCLK)) /* Domain 0, Fractional divider 3: */ #define CGU_CLKSET_DOMAIN0_DIV3 \ (_D0B(CLKID_NANDFLASHECCCLK)) /* Domain 0, Fractional divider 4: */ #define CGU_CLKSET_DOMAIN0_DIV4 \ (_D0B(CLKID_SDMMCCCLKIN)) /* Domain 0, Fractional divider 5: */ #define CGU_CLKSET_DOMAIN0_DIV5 \ (_D0B(CLKID_CLOCKOUT)) /* Domain 0, Fractional divider 6: */ #define CGU_CLKSET_DOMAIN0_DIV6 \ (_D0B(CLKID_EBICLK)) /* Domain 1 (DOMAINID_AHB0APB0), Clocks 30-39, Fraction dividers 7-8. Clocks * not defined in the clock sets will be sourced with AHB_APB0_BASE_CLK. */ /* Domain 1, Fractional divider 7: */ #define CGU_CLKSET_DOMAIN1_DIV7 \ (_D1B(CLKID_ADCCLK)) /* Domain 1, Fractional divider 8: */ #define CGU_CLKSET_DOMAIN1_DIV8 \ (_D1B(CLKID_AHB2APB0PCLK)|_D1B(CLKID_EVENTROUTERPCLK)|\ _D1B(CLKID_ADCPCLK)|_D1B(CLKID_WDOGPCLK)|_D1B(CLKID_IOCONFPCLK)|\ _D1B(CLKID_CGUPCLK)|_D1B(CLKID_SYSCREGPCLK)|_D1B(CLKID_OTPPCLK)|\ _D1B(CLKID_RNGPCLK)) /* Domain 2 (DOMAINID_AHB0APB1), Clocks 40-49, Fraction dividers 9-10. Clocks * not defined in the clock sets will be sourced with AHB_APB1_BASE_CLK. */ /* Domain 2, Fractional divider 9: */ #define CGU_CLKSET_DOMAIN2_DIV9 \ (_D2B(CLKID_AHB2APB1PCLK)|_D2B(CLKID_TIMER0PCLK)|_D2B(CLKID_TIMER1PCLK)|\ _D2B(CLKID_TIMER2PCLK)|_D2B(CLKID_TIMER3PCLK)|_D2B(CLKID_PWMPCLK)|\ _D2B(CLKID_PWMPCLKREGS)|_D2B(CLKID_I2C0PCLK)|_D2B(CLKID_I2C1PCLK)) /* Domain 2, Fractional divider 10: */ #define CGU_CLKSET_DOMAIN2_DIV10 \ (_D2B(CLKID_PWMCLK)) /* Domain 3 (DOMAINID_AHB0APB2), Clocks 50-57, Fraction dividers 11-13. Clocks * not defined in the clock sets will be sourced with AHB_APB2_BASE_CLK. */ /* Domain 3, Fractional divider 11: */ #define CGU_CLKSET_DOMAIN3_DIV11 \ ( _D3B(CLKID_AHB2APB2PCLK)|_D3B(CLKID_PCMPCLK)|_D3B(CLKID_PCMAPBPCLK)|\ _D3B(CLKID_UARTAPBCLK)|_D3B(CLKID_LCDPCLK)|_D3B(CLKID_SPIPCLK)|\ _D3B(CLKID_SPIPCLKGATED)) /* Domain 3, Fractional divider 12: */ #define CGU_CLKSET_DOMAIN3_DIV12 \ (_D3B(CLKID_LCDCLK)) /* Domain 3, Fractional divider 13: */ #define CGU_CLKSET_DOMAIN3_DIV13 \ (0) /* Domain 4 (DOMAINID_AHB0APB3), Clocks 58-70, Fraction divider 14. Clocks * not defined in the clock sets will be sourced with AHB_APB3_BASE_CLK. */ #define CGU_CLKSET_DOMAIN4_DIV14 \ (_D4B(CLKID_AHB2APB3PCLK)|_D4B(CLKID_I2SCFGPCLK)|_D4B(CLKID_EDGEDETPCLK)|\ _D4B(CLKID_I2STXFIFO0PCLK)|_D4B(CLKID_I2STXIF0PCLK)|_D4B(CLKID_I2STXFIFO1PCLK)|\ _D4B(CLKID_I2STXIF1PCLK)|_D4B(CLKID_I2SRXFIFO0PCLK)|_D4B(CLKID_I2SRXIF0PCLK)|\ _D4B(CLKID_I2SRXFIFO1PCLK)|_D4B(CLKID_I2SRXIF1PCLK)) /* Domain 5 (DOMAINID_PCM), Clock 71, Fraction divider 15. Clocks not * defined in the clock sets will be sourced with AHB_APB3_BASE_CLK. */ #define CGU_CLKSET_DOMAIN5_DIV15 \ (_D5B(CLKID_PCMCLKIP)) /* Domain 6 (DOMAINID_UART), Clock 72, Fraction divider 16. Clocks mpt * defined in the clock sets will be sourced with UART_BASE_CLK. */ #define CGU_CLKSET_DOMAIN6_DIV16 \ (0) /* Domain 7 (DOMAINID_CLK1024FS), Clocks 73-86, Fraction dividers 17-22. Clocks * not defined in the clock sets will be sourced with CLK1024FS_BASE_CLK. */ /* Domain 7, Fractional divider 17: */ #define CGU_CLKSET_DOMAIN7_DIV17 \ ( _D7B(CLKID_I2SEDGEDETECTCLK)|_D7B(CLKID_I2STXWS0)|_D7B(CLKID_I2STXWS1)|\ _D7B(CLKID_I2SRXWS0)|_D7B(CLKID_I2SRXWS1)) /* Domain 7, Fractional divider 18: */ #define CGU_CLKSET_DOMAIN7_DIV18 \ ( _D7B(CLKID_I2STXBCK0N)|_D7B(CLKID_I2STXBCK1N)) /* Domain 7, Fractional divider 19: */ #define CGU_CLKSET_DOMAIN7_DIV19 \ ( _D7B(CLKID_I2STXCLK0)|_D7B(CLKID_CLK256FS)) /* Domain 7, Fractional divider 20: */ #define CGU_CLKSET_DOMAIN7_DIV20 \ ( _D7B(CLKID_I2SRXBCK0N)|_D7B(CLKID_I2SRXBCK1N)) /* Domain 7, Fractional divider 21: */ #define CGU_CLKSET_DOMAIN7_DIV21 \ (0) /* Domain 7, Fractional divider 22: */ #define CGU_CLKSET_DOMAIN7_DIV22 \ (0) /* Domain 8 (DOMAINID_BCK0, clock 87, and domain 9 (DOMAINID_BCK1), clock 88, * are directly connected */ /* Domain 10 (DOMAINID_SPI), Clocks 89-90, Fraction divider 23. Clocks * not defined in the clock sets will be sourced with SPI_CLK_BASE_CLK. */ #define CGU_CLKSET_DOMAIN10_DIV23 \ ( _D10B(CLKID_SPICLK)|_D10B(CLKID_SPICLKGATED)) /* Domain 11 (DOMAINID_SYSCLKO, clock 91, is directly connected */ /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Public Data ****************************************************************************/ /* Default clock configuration for the EA3131 board. Every board must * provide an implementation of g_boardclks. This rather complex structure * is used by the boot-up logic to configure initial lpc313x clocking. * * FFAST: 12MHz * MASTER PLL Freq: 180MHz; * AUDIOPLL Freq: 1024Fs, Fs = 44.1kHz * * Domain Input Subdomain Divider Ratio * ------------------------ ----------------- ----------------- ------------- * 0 - DOMAIN_SYS MASTER PLL(HPLL1) DOMAIN0_DIV0 1/2 * DOMAIN0_DIV1 1 * DOMAIN0_DIV2 1/2 * DOMAIN0_DIV3 1/4 * DOMAIN0_DIV4 1/4 * DOMAIN0_DIV5 1/2 * DOMAIN0_DIV6 1/2 * * 1 - DOMAIN_AHB0APB0 FFAST DOMAIN1_DIV7 1/38 * DOMAIN1_DIV8 1/2 * * 2 - DOMAIN_AHB0APB1 FFAST DOMAIN2_DIV9 1/2 * DOMAIN2_DIV10 1/2 * * 3 - DOMAIN_AHB0APB2 MASTER PLL(HPLL1) DOMAIN3_DIV11 1/2 * DOMAIN3_DIV12 1/40 * DOMAIN3_DIV13 1 (not used) * * 4 - DOMAIN_AHB0APB3 FFAST DOMAIN4_DIV14 1/2 * * 5 - DOMAIN_PCM MASTER PLL(HPLL1) DOMAIN5_DIV15 1/2 * * 6 - DOMAIN_UART FFAST DOMAIN6_DIV16 1 * * 7 - DOMAIN_CLCK1024FS AUDIO PLL(HPLL0) DOMAIN7_DIV17 1/256 * DOMAIN7_DIV18 1/4 * DOMAIN7_DIV19 1 * DOMAIN7_DIV20 1/4 * DOMAIN7_DIV21 1/32 * DOMAIN7_DIV22 1/2 * * 8 - DOMAIN_I2SRXBCK0 I2SRX_BCK0 - - * * 9 - DOMAIN_I2SRXBCK1 I2SRX_BCK1 - - * * 10 - DOMAIN_SPI MASTER PLL(HPLL1) DOMAIN10_DIV23 1/2 * * 11 - DOMAIN_SYSCLKO FFAST - - */ const struct lpc313x_clkinit_s g_boardclks = { /* Domain 0 (DOMAINID_SYS), Clocks 0 - 29, Fraction dividers 0-6 */ { CGU_FREQIN_HPPLL1, { {{1, 1, 2}, CGU_CLKSET_DOMAIN0_DIV0}, {{0, 0, 0}, CGU_CLKSET_DOMAIN0_DIV1}, {{1, 1, 2}, CGU_CLKSET_DOMAIN0_DIV2}, {{1, 1, 4}, CGU_CLKSET_DOMAIN0_DIV3}, {{1, 1, 4}, CGU_CLKSET_DOMAIN0_DIV4}, {{1, 1, 2}, CGU_CLKSET_DOMAIN0_DIV5}, {{1, 1, 2}, CGU_CLKSET_DOMAIN0_DIV6} } }, /* Domain 1 (DOMAINID_AHB0APB0), Clocks 30-39, Fraction dividers 7-8 */ { CGU_FREQIN_FFAST, { {{1, 1, 38}, CGU_CLKSET_DOMAIN1_DIV7}, {{1, 1, 2}, CGU_CLKSET_DOMAIN1_DIV8} } }, /* Domain 2 (DOMAINID_AHB0APB1), Clocks 40-49, Fraction dividers 9-10 */ { CGU_FREQIN_FFAST, { {{1, 1, 2}, CGU_CLKSET_DOMAIN2_DIV9}, {{1, 1, 2}, CGU_CLKSET_DOMAIN2_DIV10} } }, /* Domain 3 (DOMAINID_AHB0APB2), Clocks 50-57, Fraction dividers 11-13 */ { CGU_FREQIN_HPPLL1, { {{1, 1, 2}, CGU_CLKSET_DOMAIN3_DIV11}, {{1, 1, 40}, CGU_CLKSET_DOMAIN3_DIV12}, {{0, 0, 0}, CGU_CLKSET_DOMAIN3_DIV13} } }, /* Domain 4 (DOMAINID_AHB0APB3), Clocks 58-70, Fraction divider 14 */ { CGU_FREQIN_FFAST, { {{1, 1, 2}, CGU_CLKSET_DOMAIN4_DIV14} } }, /* Domain 5 (DOMAINID_PCM), Clock 71, Fraction divider 15 */ { CGU_FREQIN_HPPLL1, { {{1, 1, 2}, CGU_CLKSET_DOMAIN5_DIV15} } }, /* Domain 6 (DOMAINID_UART), Clock 72, Fraction divider 16 */ { CGU_FREQIN_FFAST, { {{0, 0, 0}, CGU_CLKSET_DOMAIN6_DIV16} } }, /* Domain 7 (DOMAINID_CLK1024FS), Clocks 73-86, Fraction dividers 17-22 */ { CGU_FREQIN_HPPLL0, { {{1, 1, 256}, CGU_CLKSET_DOMAIN7_DIV17}, {{1, 1, 4}, CGU_CLKSET_DOMAIN7_DIV18}, {{0, 0, 0}, CGU_CLKSET_DOMAIN7_DIV19}, {{1, 1, 4}, CGU_CLKSET_DOMAIN7_DIV20}, {{1, 1, 32}, CGU_CLKSET_DOMAIN7_DIV21}, {{1, 1, 2}, CGU_CLKSET_DOMAIN7_DIV22} } }, /* Domain 8 (DOMAINID_BCK0, clock 87 */ { CGU_FREQIN_I2SRXBCK0 }, /* Domain 9 (DOMAINID_BCK1, clock 88 */ { CGU_FREQIN_I2SRXBCK1 }, /* Domain 10 (DOMAINID_SPI), Clocks 89-90, Fraction divider 23 */ { CGU_FREQIN_HPPLL1, { {{1, 1, 2}, CGU_CLKSET_DOMAIN10_DIV23} } }, /* Domain 11 (DOMAINID_SYSCLKO, clock 91 */ { CGU_FREQIN_FFAST }, /* Dynamic fractional divider configuration (7) */ #if 0 /* Dynamic fractional divider initialization not implemented */ { { CGU_DYNSEL_ALLBITS, {1, 1, 64} }, { CGU_DYNSEL_ALLBITS, {0, 0, 0} }, { CGU_DYNSEL_ALLBITS, {1, 1, 3} }, { CGU_DYNSEL_ALLBITS, {1, 1, 6} }, { CGU_DYNSEL_ALLBITS, {1, 1, 6} }, { CGU_DYNSEL_ALLBITS, {1, 1, 6} }, { CGU_DYNSEL_ALLBITS, {1, 1, 3} } } #endif }; /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: up_ledinit ****************************************************************************/