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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-05-27 15:26:52 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-05-27 15:26:52 +0000 |
commit | be85acd0f71ce088b4e1584e6ce485015288f63c (patch) | |
tree | c282e67081fdd2164b636f646cb75909d1bc137e /nuttx/arch/arm/src/lpc31xx/lpc31_cgudrvr.h | |
parent | cfc63f3cffcdcb89261c4bfc065d5591f5b6b561 (diff) | |
download | px4-nuttx-be85acd0f71ce088b4e1584e6ce485015288f63c.tar.gz px4-nuttx-be85acd0f71ce088b4e1584e6ce485015288f63c.tar.bz2 px4-nuttx-be85acd0f71ce088b4e1584e6ce485015288f63c.zip |
Rename all lpc313x to lpc31xx
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3644 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc31xx/lpc31_cgudrvr.h')
-rwxr-xr-x | nuttx/arch/arm/src/lpc31xx/lpc31_cgudrvr.h | 819 |
1 files changed, 819 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lpc31xx/lpc31_cgudrvr.h b/nuttx/arch/arm/src/lpc31xx/lpc31_cgudrvr.h new file mode 100755 index 000000000..fc589c893 --- /dev/null +++ b/nuttx/arch/arm/src/lpc31xx/lpc31_cgudrvr.h @@ -0,0 +1,819 @@ +/************************************************************************ + * arch/arm/src/lpc31xx/lpc31_cgudrvr.h + * + * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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. + * + ************************************************************************/ + +#ifndef __ARCH_ARM_SRC_LPC31XX_LPC31_CGUDRVR_H +#define __ARCH_ARM_SRC_LPC31XX_LPC31_CGUDRVR_H + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> + +#include "up_arch.h" +#include "lpc31_cgu.h" + +/************************************************************************ + * Pre-processor Definitions + ************************************************************************/ + +/* Maps a valid, x, relative to a base value, b, and converts that to a bit position */ + +#define _RBIT(x,b) (1<<((x)-(b))) + +/* Clock ID ranges (see enum lpc31_clockid_e) *************************************************/ + +#define CLKID_FIRST CLKID_APB0CLK +#define CLKID_SYSBASE_FIRST CLKID_APB0CLK /* Domain 0: SYS_BASE */ +#define CLKID_SYSBASE_LAST CLKID_INTCCLK +#define _D0B(id) _RBIT(id,CLKID_SYSBASE_FIRST) + +#define CLKID_AHB0APB0_FIRST CLKID_AHB2APB0PCLK /* Domain 1: AHB0APB0_BASE */ +#define CLKID_AHB0APB0_LAST CLKID_RNGPCLK +#define _D1B(id) _RBIT(id,CLKID_AHB0APB0_FIRST) + +#define CLKID_AHB0APB1_FIRST CLKID_AHB2APB1PCLK /* Domain 2: AHB0APB1_BASE */ +#define CLKID_AHB0APB1_LAST CLKID_I2C1PCLK +#define _D2B(id) _RBIT(id,CLKID_AHB0APB1_FIRST) + +#define CLKID_AHB0APB2_FIRST CLKID_AHB2APB2PCLK /* Domain 3: AHB0APB2_BASE */ +#define CLKID_AHB0APB2_LAST CLKID_SPIPCLKGATED +#define _D3B(id) _RBIT(id,CLKID_AHB0APB2_FIRST) + +#define CLKID_AHB0APB3_FIRST CLKID_AHB2APB3PCLK /* Domain 4: AHB0APB3_BASE */ +#define CLKID_AHB0APB3_LAST CLKID_RESERVED70 +#define _D4B(id) _RBIT(id,CLKID_AHB0APB3_FIRST) + +#define CLKID_PCM_FIRST CLKID_PCMCLKIP /* Domain 5: PCM_BASE */ +#define CLKID_PCM_LAST CLKID_PCMCLKIP +#define _D5B(id) _RBIT(id,CLKID_PCM_FIRST) + +#define CLKID_UART_FIRST CLKID_UARTUCLK /* Domain 6: UART_BASE */ +#define CLKID_UART_LAST CLKID_UARTUCLK +#define _D6B(id) _RBIT(id,CLKID_UART_FIRST) + +#define CLKID_CLK1024FS_FIRST CLKID_I2SEDGEDETECTCLK /* Domain 7: CLK1024FS_BASE */ +#define CLKID_CLK1024FS_LAST CLKID_RESERVED86 +#define _D7B(id) _RBIT(id,CLKID_CLK1024FS_FIRST) + +#define CLKID_I2SRXBCK0_FIRST CLKID_I2SRXBCK0 /* Domain 8: BCK0_BASE */ +#define CLKID_I2SRXBCK0_LAST CLKID_I2SRXBCK0 +#define _D8B(id) _RBIT(id,CLKID_I2SRXBCK0_FIRST) + +#define CLKID_I2SRXBCK1_FIRST CLKID_I2SRXBCK1 /* Domain 9: BCK1_BASE */ +#define CLKID_I2SRXBCK1_LAST CLKID_I2SRXBCK1 +#define _D9B(id) _RBIT(id,CLKID_SYSBASE_FIRST) + +#define CLKID_SPI_FIRST CLKID_SPICLK /* Domain 10: SPI_BASE */ +#define CLKID_SPI_LAST CLKID_SPICLKGATED +#define _D10B(id) _RBIT(id,CLKID_I2SRXBCK1_FIRST) + +#define CLKID_SYSCLKO_FIRST CLKID_SYSCLKO /* Domain 11: SYSCLKO_BASE */ +#define CLKID_SYSCLKO_LAST CLKID_SYSCLKO +#define _D11B(id) _RBIT(id,CLKID_SYSCLKO_FIRST) +#define CLKID_LAST CLKID_SYSCLKO + +#define CGU_NDOMAINS 12 /* The number of clock domains */ +#define CLKID_INVALIDCLK -1 /* Indicates and invalid clock ID */ +#define DOMAINID_INVALID -1 /* Indicates an invalid domain ID */ +#define ESRNDX_INVALID -1 /* Indicates an invalid ESR register index */ +#define BCRNDX_INVALID -1 /* Indicates an invalid BCR register index */ + +/* There are 24 fractional dividers, indexed 0 to 23. The following definitions + * provide (1) the number of fractional dividers available for each base frequency, + * (2) start and end indices, and (3) extraction info for sub elements from the + * fractional divider configuration register + */ + +#define FRACDIV_BASE0_CNT 7 /* 7 fractional dividers available */ +#define FRACDIV_BASE0_LOW 0 /* First is index 0 */ +#define FRACDIV_BASE0_HIGH 6 /* Last is index 6 */ +#define FRACDIV_BASE0_FDIV0W 8 + +#define FRACDIV_BASE1_CNT 2 /* 2 fractional dividers available */ +#define FRACDIV_BASE1_LOW 7 /* First is index 7 */ +#define FRACDIV_BASE1_HIGH 8 /* Last is index 8 */ +#define FRACDIV_BASE1_FDIV0W 8 + +#define FRACDIV_BASE2_CNT 2 /* 2 fractional dividers available */ +#define FRACDIV_BASE2_LOW 9 /* First is index 9 */ +#define FRACDIV_BASE2_HIGH 10 /* Last is index 10 */ +#define FRACDIV_BASE2_FDIV0W 8 + +#define FRACDIV_BASE3_CNT 3 /* 3 fractional dividers available */ +#define FRACDIV_BASE3_LOW 11 /* First is index 11 */ +#define FRACDIV_BASE3_HIGH 13 /* Last is index 12 */ +#define FRACDIV_BASE3_FDIV0W 8 + +#define FRACDIV_BASE4_CNT 1 /* 1 fractional divider available */ +#define FRACDIV_BASE4_LOW 14 /* First is index 14 */ +#define FRACDIV_BASE4_HIGH 14 /* Last is index 14 */ +#define FRACDIV_BASE4_FDIV0W 8 + +#define FRACDIV_BASE5_CNT 1 /* 1 fractional divider available */ +#define FRACDIV_BASE5_LOW 15 /* First is index 15 */ +#define FRACDIV_BASE5_HIGH 15 /* Last is index 15 */ +#define FRACDIV_BASE5_FDIV0W 8 + +#define FRACDIV_BASE6_CNT 1 /* 1 fractional divider available */ +#define FRACDIV_BASE6_LOW 16 /* First is index 16 */ +#define FRACDIV_BASE6_HIGH 16 /* Last is index 16 */ +#define FRACDIV_BASE6_FDIV0W 8 + +#define FRACDIV_BASE7_CNT 6 /* 6 fractional dividers available */ +#define FRACDIV_BASE7_LOW 17 /* First is index 17 */ +#define FRACDIV_BASE7_HIGH 22 /* Last is index 22 */ +#define FRACDIV_BASE7_FDIV0W 13 + +#define FRACDIV_BASE8_CNT 0 /* No fractional divider available */ +#define FRACDIV_BASE9_CNT 0 /* No fractional divider available */ + +#define FRACDIV_BASE10_CNT 1 /* 1 fractional divider available */ +#define FRACDIV_BASE10_LOW 23 /* First is index 23 */ +#define FRACDIV_BASE10_HIGH 23 /* Last is index 23 */ +#define FRACDIV_BASE10_FDIV0W 8 + +#define FRACDIV_BASE11_CNT 0 /* No fractional divider available */ + +#define CGU_NFRACDIV 24 /* Number of fractional dividers: 0-23 */ +#define CGU_NDYNFRACDIV 7 /* Number of dynamic fractional dividers: 0-6 */ +#define FDCNDX_INVALID -1 /* Indicates an invalid fractional + * divider index */ + +/************************************************************************ + * Public Types + ************************************************************************/ + +#ifndef __ASSEMBLY__ +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* Clock domains */ + +enum lpc31_domainid_e +{ + DOMAINID_SYS = 0, /* Domain 0: SYS_BASE */ + DOMAINID_AHB0APB0, /* Domain 1: AHB0APB0_BASE */ + DOMAINID_AHB0APB1, /* Domain 2: AHB0APB1_BASE */ + DOMAINID_AHB0APB2, /* Domain 3: AHB0APB2_BASE */ + DOMAINID_AHB0APB3, /* Domain 4: AHB0APB3_BASE */ + DOMAINID_PCM, /* Domain 5: PCM_BASE */ + DOMAINID_UART, /* Domain 6: UART_BASE */ + DOMAINID_CLK1024FS, /* Domain 7: CLK1024FS_BASE */ + DOMAINID_BCK0, /* Domain 8: BCK0_BASE */ + DOMAINID_BCK1, /* Domain 9: BCK1_BASE */ + DOMAINID_SPI, /* Domain 10: SPI_BASE */ + DOMAINID_SYSCLKO /* Domain 11: SYSCLKO_BASE */ +}; + +/* Clock IDs -- These are indices must correspond to the register + * offsets in lpc31_cgu.h + */ + +enum lpc31_clockid_e +{ + /* Domain 0: SYS_BASE */ + + CLKID_APB0CLK = 0, /* 0 APB0_CLK */ + CLKID_APB1CLK, /* 1 APB1_CLK */ + CLKID_APB2CLK, /* 2 APB2_CLK */ + CLKID_APB3CLK, /* 3 APB3_CLK */ + CLKID_APB4CLK, /* 4 APB4_CLK */ + CLKID_AHB2INTCCLK, /* 5 AHB_TO_INTC_CLK */ + CLKID_AHB0CLK, /* 6 AHB0_CLK */ + CLKID_EBICLK, /* 7 EBI_CLK */ + CLKID_DMAPCLK, /* 8 DMA_PCLK */ + CLKID_DMACLKGATED, /* 9 DMA_CLK_GATED */ + CLKID_NANDFLASHS0CLK, /* 10 NANDFLASH_S0_CLK */ + CLKID_NANDFLASHECCCLK, /* 11 NANDFLASH_ECC_CLK */ + CLKID_NANDFLASHAESCLK, /* 12 NANDFLASH_AES_CLK (Reserved on LPC313x) */ + CLKID_NANDFLASHNANDCLK, /* 13 NANDFLASH_NAND_CLK */ + CLKID_NANDFLASHPCLK, /* 14 NANDFLASH_PCLK */ + CLKID_CLOCKOUT, /* 15 CLOCK_OUT */ + CLKID_ARM926CORECLK, /* 16 ARM926_CORE_CLK */ + CLKID_ARM926BUSIFCLK, /* 17 ARM926_BUSIF_CLK */ + CLKID_ARM926RETIMECLK, /* 18 ARM926_RETIME_CLK */ + CLKID_SDMMCHCLK, /* 19 SD_MMC_HCLK */ + CLKID_SDMMCCCLKIN, /* 20 SD_MMC_CCLK_IN */ + CLKID_USBOTGAHBCLK, /* 21 USB_OTG_AHB_CLK */ + CLKID_ISRAM0CLK, /* 22 ISRAM0_CLK */ + CLKID_REDCTLRSCLK, /* 23 RED_CTL_RSCLK */ + CLKID_ISRAM1CLK, /* 24 ISRAM1_CLK (LPC313x only) */ + CLKID_ISROMCLK, /* 25 ISROM_CLK */ + CLKID_MPMCCFGCLK, /* 26 MPMC_CFG_CLK */ + CLKID_MPMCCFGCLK2, /* 27 MPMC_CFG_CLK2 */ + CLKID_MPMCCFGCLK3, /* 28 MPMC_CFG_CLK3 */ + CLKID_INTCCLK, /* 29 INTC_CLK */ + + /* Domain 1: AHB0APB0_BASE */ + + CLKID_AHB2APB0PCLK, /* 30 AHB_TO_APB0_PCLK */ + CLKID_EVENTROUTERPCLK, /* 31 EVENT_ROUTER_PCLK */ + CLKID_ADCPCLK, /* 32 ADC_PCLK */ + CLKID_ADCCLK, /* 33 ADC_CLK */ + CLKID_WDOGPCLK, /* 34 WDOG_PCLK */ + CLKID_IOCONFPCLK, /* 35 IOCONF_PCLK */ + CLKID_CGUPCLK, /* 36 CGU_PCLK */ + CLKID_SYSCREGPCLK, /* 37 SYSCREG_PCLK */ + CLKID_OTPPCLK, /* 38 OTP_PCLK (Reserved on LPC313X) */ + CLKID_RNGPCLK, /* 39 RNG_PCLK */ + + /* Domain 2: AHB0APB1_BASE */ + + CLKID_AHB2APB1PCLK, /* 40 AHB_TO_APB1_PCLK */ + CLKID_TIMER0PCLK, /* 41 TIMER0_PCLK */ + CLKID_TIMER1PCLK, /* 42 TIMER1_PCLK */ + CLKID_TIMER2PCLK, /* 43 TIMER2_PCLK */ + CLKID_TIMER3PCLK, /* 44 TIMER3_PCLK */ + CLKID_PWMPCLK, /* 45 PWM_PCLK */ + CLKID_PWMPCLKREGS, /* 46 PWM_PCLK_REGS */ + CLKID_PWMCLK, /* 47 PWM_CLK */ + CLKID_I2C0PCLK, /* 48 I2C0_PCLK */ + CLKID_I2C1PCLK, /* 49 I2C1_PCLK */ + + /* Domain 3: AHB0APB2_BASE */ + + CLKID_AHB2APB2PCLK, /* 50 AHB_TO_APB2_PCLK */ + CLKID_PCMPCLK, /* 51 PCM_PCLK */ + CLKID_PCMAPBPCLK, /* 52 PCM_APB_PCLK */ + CLKID_UARTAPBCLK, /* 53 UART_APB_CLK */ + CLKID_LCDPCLK, /* 54 LCD_PCLK */ + CLKID_LCDCLK, /* 55 LCD_CLK */ + CLKID_SPIPCLK, /* 56 SPI_PCLK */ + CLKID_SPIPCLKGATED, /* 57 SPI_PCLK_GATED */ + + /* Domain 4: AHB0APB3BASE */ + CLKID_AHB2APB3PCLK, /* 58 AHB_TO_APB3_PCLK */ + CLKID_I2SCFGPCLK, /* 59 I2S_CFG_PCLK */ + CLKID_EDGEDETPCLK, /* 60 EDGE_DET_PCLK */ + CLKID_I2STXFIFO0PCLK, /* 61 I2STX_FIFO_0_PCLK */ + CLKID_I2STXIF0PCLK, /* 62 I2STX_IF_0_PCLK */ + CLKID_I2STXFIFO1PCLK, /* 63 I2STX_FIFO_1_PCLK */ + CLKID_I2STXIF1PCLK, /* 64 I2STX_IF_1_PCLK */ + CLKID_I2SRXFIFO0PCLK, /* 65 I2SRX_FIFO_0_PCLK */ + CLKID_I2SRXIF0PCLK, /* 66 I2SRX_IF_0_PCLK */ + CLKID_I2SRXFIFO1PCLK, /* 67 I2SRX_FIFO_1_PCLK */ + CLKID_I2SRXIF1PCLK, /* 68 I2SRX_IF_1_PCLK */ + CLKID_RESERVED69, /* 69 Reserved */ + CLKID_RESERVED70, /* 70 Reserved */ + + /* Domain 5: PCM_BASE */ + + CLKID_PCMCLKIP, /* 71 PCM_CLK_IP */ + + /* Domain 6: UART_BASE */ + + CLKID_UARTUCLK, /* 72 UART_U_CLK */ + + /* Domain 7: CLK1024FS_BASE */ + + CLKID_I2SEDGEDETECTCLK, /* 73 I2S_EDGE_DETECT_CLK */ + CLKID_I2STXBCK0N, /* 74 I2STX_BCK0_N */ + CLKID_I2STXWS0, /* 75 I2STX_WS0 */ + CLKID_I2STXCLK0, /* 76 I2STX_CLK0 */ + CLKID_I2STXBCK1N, /* 77 I2STX_BCK1_N */ + CLKID_I2STXWS1, /* 78 I2STX_WS1 */ + CLKID_CLK256FS, /* 79 CLK_256FS */ + CLKID_I2SRXBCK0N, /* 80 I2SRX_BCK0_N */ + CLKID_I2SRXWS0, /* 81 I2SRX_WS0 */ + CLKID_I2SRXBCK1N, /* 82 I2SRX_BCK1_N */ + CLKID_I2SRXWS1, /* 83 I2SRX_WS1 */ + CLKID_RESERVED84, /* 84 Reserved */ + CLKID_RESERVED85, /* 85 Reserved */ + CLKID_RESERVED86, /* 86 Reserved */ + + /* Domain 8: BCK0_BASE */ + + CLKID_I2SRXBCK0, /* 87 I2SRX_BCK0 */ + + /* Domain 9: BCK1_BASE */ + + CLKID_I2SRXBCK1, /* 88 I2SRX_BCK1 */ + + /* Domain 10: SPI_BASE */ + + CLKID_SPICLK, /* 89 SPI_CLK */ + CLKID_SPICLKGATED, /* 90 SPI_CLK_GATED */ + + /* Domain 11: SYSCLKO_BASE */ + + CLKID_SYSCLKO /* 91 SYSCLK_O */ +}; + +/* Indices into the CGU configuration reset control registers */ + +enum lpc31_resetid_e +{ + RESETID_APB0RST, /* 0 AHB part of AHB_TO_APB0 bridge (Reserved) */ + RESETID_AHB2APB0RST, /* 1 APB part of AHB_TO_APB0 bridge (Reserved) */ + RESETID_APB1RST, /* 2 AHB part of AHB_TO_APB1 bridge */ + RESETID_AHB2PB1RST, /* 3 APB part of AHB_TO_APB1 bridge */ + RESETID_APB2RST, /* 4 AHB part of AHB_TO_APB2 bridge */ + RESETID_AHB2APB2RST, /* 5 APB part of AHB_TO_APB2 bridge */ + RESETID_APB3RST, /* 6 AHB part of AHB_TO_APB3 bridge */ + RESETID_AHB2APB3RST, /* 7 APB part of AHB_TO_APB3 bridge */ + RESETID_APB4RST, /* 8 AHB_TO_APB4 bridge */ + RESETID_AHB2INTCRST, /* 9 AHB_TO_INTC */ + RESETID_AHB0RST, /* 10 AHB0 */ + RESETID_EBIRST, /* 11 EBI */ + RESETID_PCMAPBRST, /* 12 APB domain of PCM */ + RESETID_PCMCLKIPRST, /* 13 synchronous clk_ip domain of PCM */ + RESETID_PCMRSTASYNC, /* 14 asynchronous clk_ip domain of PCM */ + RESETID_TIMER0RST, /* 15 Timer0 */ + RESETID_TIMER1RST, /* 16 Timer1 */ + RESETID_TIMER2RST, /* 17 Timer2 */ + RESETID_TIMER3RST, /* 18 Timer3 */ + RESETID_ADCPRST, /* 19 controller of 10 bit ADC Interface */ + RESETID_ADCRST, /* 20 A/D converter of ADC Interface */ + RESETID_PWMRST, /* 21 PWM */ + RESETID_UARTRST, /* 22 UART/IrDA */ + RESETID_I2C0RST, /* 23 I2C0 */ + RESETID_I2C1RST, /* 24 I2C1 */ + RESETID_I2SCFGRST, /* 25 I2S_Config */ + RESETID_I2SNSOFRST, /* 26 NSOF counter of I2S_CONFIG */ + RESETID_EDGEDETRST, /* 27 Edge_det */ + RESETID_I2STXFF0RST, /* 28 I2STX_FIFO_0 */ + RESETID_I2STXIF0RST, /* 29 I2STX_IF_0 */ + RESETID_I2STXFF1RST, /* 30 I2STX_FIFO_1 */ + RESETID_I2STXIF1RST, /* 31 I2STX_IF_1 */ + RESETID_I2SRXFF0RST, /* 32 I2SRX_FIFO_0 */ + RESETID_I2SRXIF0RST, /* 33 I2SRX_IF_0 */ + RESETID_I2SRXFF1RST, /* 34 I2SRX_FIFO_1 */ + RESETID_I2SRXIF1RST, /* 35 I2SRX_IF_1 */ + RESETID_RESERVED40, /* 36 Reserved */ + RESETID_RESERVED41, /* 37 Reserved */ + RESETID_RESERVED42, /* 38 Reserved */ + RESETID_RESERVED43, /* 39 Reserved */ + RESETID_RESERVED44, /* 40 Reserved */ + RESETID_LCDRST, /* 41 LCD Interface */ + RESETID_SPIRSTAPB, /* 42 apb_clk domain of SPI */ + RESETID_SPIRSTIP, /* 43 ip_clk domain of SPI */ + RESETID_DMARST, /* 44 DMA */ + RESETID_NANDECCRST, /* 45 Nandflash Controller ECC clock */ + RESETID_NANDAESRST, /* 46 Nandflash Controller AES clock (reserved for lpc313x) */ + RESETID_NANDCTRLRST, /* 47 Nandflash Controller */ + RESETID_RNG, /* 48 RNG */ + RESETID_SDMMCRST, /* 49 MCI (on AHB clock) */ + RESETID_SDMMCRSTCKIN, /* 50 CI synchronous (on IP clock) */ + RESETID_USBOTGAHBRST, /* 51 USB_OTG */ + RESETID_REDCTLRST, /* 52 Redundancy Controller */ + RESETID_AHBMPMCHRST, /* 53 MPMC */ + RESETID_AHBMPMCRFRST, /* 54 refresh generator used for MPMC */ + RESETID_INTCRST, /* 55 Interrupt Controller */ +}; + +/* This structure describes one CGU fractional divider configuration */ + +struct lpc31_fdivconfig_s +{ + uint8_t stretch; /* Fractional divider stretch enable. */ + uint8_t n; /* Fractional divider nominal nominator */ + uint16_t m; /* Fractional divider nominal denominator */ +}; + +/* The structure describes the configuration of one CGU sub-domain */ + +struct lpc31_subdomainconfig_s +{ + struct lpc31_fdivconfig_s fdiv; /* Fractional divider settings */ + uint32_t clkset; /* Bitset of all clocks in the sub-domain */ +}; + +/* CGU clock initilization structure. Describes the platform-specific + * configuration of every clock domain. + */ + +struct lpc31_clkinit_s +{ + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE0_CNT]; + } domain0; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE1_CNT]; + } domain1; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE2_CNT]; + } domain2; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE3_CNT]; + } domain3; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE4_CNT]; + } domain4; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE5_CNT]; + } domain5; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE6_CNT]; + } domain6; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE7_CNT]; + } domain7; + + struct + { + uint8_t finsel; + } domain8; + + struct + { + uint8_t finsel; + } domain9; + + struct + { + uint8_t finsel; + struct lpc31_subdomainconfig_s sub[FRACDIV_BASE10_CNT]; + } domain10; + + struct + { + uint8_t finsel; + } domain11; + +#if 0 /* Dynamic fractional divider initialization not implemented */ + struct + { + uint16_t sel; + struct lpc31_fdivconfig_s cfg; + } dynfdiv[CGU_NDYNFRACDIV]; +#endif +}; + +/* This structure is used to pass PLL configuration data to + * lpc31_pllconfig() + */ + +struct lpc31_pllconfig_s +{ + uint8_t hppll; /* PLL selection: 0=HPLL0 1=HPLL1 */ + uint8_t pdec; /* PLL P-divider value: 0-0x7f */ + uint8_t selr; /* SELR bandwidth selection: 0-15 */ + uint8_t seli; /* SELI bandwidth selection: 0-63 */ + uint8_t selp; /* SELP bandwidth selection: 0-31 */ + uint16_t ndec; /* PLL N-divider value: 0-0x3ff */ + uint16_t mode; /* PLL mode: 9-bits */ + uint32_t freq; /* Frequency of the PLL in MHz */ + uint32_t finsel; /* Frequency input selection: CGU_HPFINSEL_* */ + uint32_t mdec; /* PLL M-divider value: 0-0x1ffff */ +}; + +/************************************************************************ + * Public Data + ************************************************************************/ + +/* This array is managed by the chip-specific logic and provides the + * programmed frequency of every input source + */ + +EXTERN uint32_t g_boardfreqin[CGU_NFREQIN]; + +/* This instance of the lpc31_clkinit_s structure provides the initial, + * default clock configuration for the board. Every board must provide + * an implementation of g_boardclks. This rather complex structure is + * used by the boot-up logic to configure initial lpc31xx clocking. + */ + +EXTERN const struct lpc31_clkinit_s g_boardclks; + +/************************************************************************ + * Inline Functions + ************************************************************************/ + +/************************************************************************ + * Name: lpc31_getbasefreq + * + * Description: + * Return the base frequency associated with a clock domain + * + ************************************************************************/ + +static inline uint32_t lpc31_getbasefreq(enum lpc31_domainid_e dmnid) +{ + uint32_t regval; + int ndx; + + /* Fetch the SSR register associated with this clock domain */ + + regval = getreg32(LPC31_CGU_SSR((int)dmnid)); + + /* Extract the last frequency input selection */ + + ndx = (regval & CGU_SSR_FS_MASK) >> CGU_SSR_FS_SHIFT; + + /* And return the user-supplied value for that frequency input */ + + return g_boardfreqin[ndx]; +} + +/************************************************************************ + * Name: lpc31_enableclock + * + * Description: + * Enable the specified clock + * + ************************************************************************/ + +static inline void lpc31_enableclock(enum lpc31_clockid_e clkid) +{ + uint32_t address = LPC31_CGU_PCR((int)clkid); + uint32_t regval = getreg32(address); + + regval |= CGU_PCR_RUN; + putreg32(regval, address); +} + +/************************************************************************ + * Name: lpc31_disableclock + * + * Description: + * Disable the specified clock + * + ************************************************************************/ + +static inline void lpc31_disableclock(enum lpc31_clockid_e clkid) +{ + uint32_t address = LPC31_CGU_PCR((int)clkid); + uint32_t regval = getreg32(address); + + regval &= ~CGU_PCR_RUN; + putreg32(regval, address); +} + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/**************************************************************************** + * Name: lpc31_defclk + * + * Description: + * Enable the specified clock if it is one of the default clocks needed + * by the board. + * + ****************************************************************************/ + +EXTERN bool lpc31_defclk(enum lpc31_clockid_e clkid); + +/**************************************************************************** + * Name: lpc31_resetclks + * + * Description: + * Put all clocks into a known, initial state + * + ****************************************************************************/ + +EXTERN void lpc31_resetclks(void); + +/************************************************************************ + * Name: lpc31_clkinit + * + * Description: + * Initialize all clock domains based on board-specific clock + * configuration data + * + ************************************************************************/ + +EXTERN void lpc31_clkinit(const struct lpc31_clkinit_s* cfg); + +/************************************************************************ + * Name: lpc31_fdivinit + * + * Description: + * Enable and configure (or disable) a fractional divider. For + * internal us only... see lpc31_setfdiv() the externally usable + * function. + * + ************************************************************************/ + +EXTERN uint32_t lpc31_fdivinit(int fdcndx, + const struct lpc31_fdivconfig_s *fdiv, + bool enable); + +/************************************************************************ + * Name: lpc31_setfdiv + * + * Description: + * Set/reset subdomain frequency containing the specified clock using + * the provided divider settings + * + ************************************************************************/ + +EXTERN void lpc31_setfdiv(enum lpc31_domainid_e dmnid, + enum lpc31_clockid_e clkid, + const struct lpc31_fdivconfig_s *fdiv); + +/**************************************************************************** + * Name: lpc31_pllconfig + * + * Description: + * Re-onfigure the PLL according to the provided selections. + * + ****************************************************************************/ + +EXTERN void lpc31_pllconfig(const struct lpc31_pllconfig_s * const cfg); + +/************************************************************************ + * Name: lpc31_hp0pllconfig + * + * Description: + * Configure the HP0 PLL according to the board.h default selections. + * + ************************************************************************/ + +EXTERN void lpc31_hp0pllconfig(void); + +/************************************************************************ + * Name: lpc31_hp1pllconfig + * + * Description: + * Configure the HP1 PLL according to the board.h default selections. + * + ************************************************************************/ + +EXTERN void lpc31_hp1pllconfig(void); + +/************************************************************************ + * Name: lpc31_softreset + * + * Description: + * Perform a soft reset on the specified module. + * + ************************************************************************/ + +EXTERN void lpc31_softreset(enum lpc31_resetid_e resetid); + +/************************************************************************ + * Name: lpc31_clkdomain + * + * Description: + * Given a clock ID, return the ID of the domain in which the clock + * resides. + * + ************************************************************************/ + +EXTERN enum lpc31_domainid_e lpc31_clkdomain(enum lpc31_clockid_e clkid); + +/************************************************************************ + * Name: lpc31_esrndx + * + * Description: + * Given a clock ID, return the index of the corresponding ESR + * register (or ESRNDX_INVALID if there is no ESR associated with + * this clock ID). Indexing of ESRs differs slightly from the clock + * ID: There are 92 clock IDs but only 89 ESR regisers. There are no + * ESR registers for : + * + * + * CLKID_I2SRXBCK0 Clock ID 87: I2SRX_BCK0 + * CLKID_I2SRXBCK1, Clock ID 88: I2SRX_BCK1 + * + * and + * + * CLKID_SYSCLKO Clock ID 91: SYSCLK_O + * + ************************************************************************/ + +EXTERN int lpc31_esrndx(enum lpc31_clockid_e clkid); + +/************************************************************************ + * Name: lpc31_bcrndx + * + * Description: + * Only 5 of the 12 domains have an associated BCR register. This + * function returns the index to the associated BCR register (if any) + * or BCRNDX_INVALID otherwise. + * + ************************************************************************/ + +EXTERN int lpc31_bcrndx(enum lpc31_domainid_e dmnid); + +/************************************************************************ + * Name: lpc31_fdcndx + * + * Description: + * Given a clock ID and its domain ID, return the index of the + * corresponding fractional divider register (or FDCNDX_INVALID if + * there is no fractional divider associated with this clock). + * + ************************************************************************/ + +EXTERN int lpc31_fdcndx(enum lpc31_clockid_e clkid, + enum lpc31_domainid_e dmnid); + +/************************************************************************ + * Name: lpc31_selectfreqin + * + * Description: + * Set the base frequency source selection for with a clock domain + * + ************************************************************************/ + +EXTERN void lpc31_selectfreqin(enum lpc31_domainid_e dmnid, + uint32_t finsel); + +/************************************************************************ + * Name: lpc31_clkfreq + * + * Description: + * Given a clock ID and its domain ID, return the frequency of the + * clock. + * + ************************************************************************/ + +EXTERN uint32_t lpc31_clkfreq(enum lpc31_clockid_e clkid, + enum lpc31_domainid_e dmnid); + +/************************************************************************ + * Name: lpc31_enableexten + * + * Description: + * Enable external enabling for the the specified possible clocks. + * + ************************************************************************/ + +EXTERN void lpc31_enableexten(enum lpc31_clockid_e clkid); + +/************************************************************************ + * Name: lpc31_disableexten + * + * Description: + * Disable external enabling for the the specified possible clocks. + * + ************************************************************************/ + +EXTERN void lpc31_disableexten(enum lpc31_clockid_e clkid); + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_ARM_SRC_LPC31XX_LPC31_CGUDRVR_H */ |