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nuttx/configs/olimex-lpc-h3131/src/lpc31_clkinit.c

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Add support for the Olimex LPC-H3131 board
2013-11-18 21:51:38 +01:00
/****************************************************************************
* configs/olimex-lpc-h3131/src/lpc31_clkinit.c
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* References:
* - NXP UM10314 LPC3130/31 User manual Rev. 1.01 <EFBFBD> 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 <nuttx/config.h>
#include "lpc31_cgu.h"
#include "lpc31_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 LPC-H3131 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 lpc31_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
****************************************************************************/
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