Add PLL configuration
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2458 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
2c91cf6b34
commit
eb1cef7dc5
@ -47,7 +47,8 @@ CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \
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CGU_ASRCS =
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CGU_CSRCS = lpc313x_clkdomain.c lpc313x_clkfreq.c lpc313x_esrndx.c \
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lpc313x_fdcndx.c lpc313x_freqin.c lpc313x_softreset.c
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lpc313x_fdcndx.c lpc313x_freqin.c lpc313x_pllconfig.c \
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lpc313x_setfreqin.c lpc313x_softreset.c
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CHIP_ASRCS = $(CGU_ASRCS)
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CHIP_CSRCS = lpc313x_allocateheap.c lpc313x_boot.c lpc313x_irq.c \
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@ -541,6 +541,29 @@
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#define LPC313X_CGU_AHBMPMCRFRST_OFFSET 0x0e8 /* Reset refresh generator used for MPMC */
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#define LPC313X_CGU_INTCRST_OFFSET 0x0ec /* Reset Interrupt Controller */
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/* HP PLL controls */
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#define LPC313x_CGU_HP0PLL_OFFSET 0x0f0 /* Base offset to HP0 PLL registers */
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#define LPC313x_CGU_HP1PLL_OFFSET 0x128 /* Base offset to HP1 PLL registers */
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#define CGU_HP0PLL 0 /* HP0 PLL selector */
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#define CGU_HP1PLL 1 /* HP1 PLL selector */
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#define LPC313x_CGU_HPPLL_OFFSET(n) ((n) ? LPC313x_CGU_HP1PLL_OFFSET : LPC313x_CGU_HP0PLL_OFFSET)
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#define LPC313X_CGU_HPFINSEL_OFFSET 0x000 /* Register for selecting input to high HPPLL0/1 */
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#define LPC313X_CGU_HPMDEC_OFFSET 0x004 /* M-divider register of HP0/1 PLL */
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#define LPC313X_CGU_HPNDEC_OFFSET 0x008 /* N-divider register of HP0/1 PLL */
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#define LPC313X_CGU_HPPDEC_OFFSET 0x00c /* P-divider register of HP0/1 PLL */
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#define LPC313X_CGU_HPMODE_OFFSET 0x010 /* Mode register of HP0/1 PLL */
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#define LPC313X_CGU_HPSTATUS_OFFSET 0x014 /* Status register of HP0/1 PLL */
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#define LPC313X_CGU_HPACK_OFFSET 0x018 /* Ratio change acknowledge register of HP0/1 PLL */
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#define LPC313X_CGU_HPREQ_OFFSET 0x01c /* Ratio change request register of HP0/1 PLL */
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#define LPC313X_CGU_HPINSELR_OFFSET 0x020 /* Bandwidth selection register of HP0/1 PLL */
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#define LPC313X_CGU_HPINSELI_OFFSET 0x024 /* Bandwidth selection register of HP0/1 PLL */
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#define LPC313X_CGU_HPINSELP_OFFSET 0x028 /* Bandwidth selection register of HP0/1 PLL */
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#define LPC313X_CGU_HPSELR_OFFSET 0x02c /* Bandwidth selection register of HP0/1 PLL */
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#define LPC313X_CGU_HPSELI_OFFSET 0x030 /* Bandwidth selection register of HP0/1 PLL */
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#define LPC313X_CGU_HPSELP_OFFSET 0x034 /* Bandwidth selection register of HP0/1 PLL */
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/* HP0 PLL control (audio PLL) */
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#define LPC313X_CGU_HP0FINSEL_OFFSET 0x0f0 /* Register for selecting input to high HPPLL0 */
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@ -1045,6 +1068,12 @@
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#define LPC313X_CGU_AHBMPMCRFRST (LPC313X_CGU_CFG_VBASE+LPC313X_CGU_AHBMPMCRFRST_OFFSET)
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#define LPC313X_CGU_INTCRST (LPC313X_CGU_CFG_VBASE+LPC313X_CGU_INTCRST_OFFSET)
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/* HP PLL controls */
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#define LPC313x_CGU_HP0PLL (LPC313X_CGU_CFG_VBASE+LPC313x_CGU_HP0PLL_OFFSET)
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#define LPC313x_CGU_HP1PLL (LPC313X_CGU_CFG_VBASE+LPC313x_CGU_HP1PLL_OFFSET)
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#define LPC313x_CGU_HPPLL(n) ((n) ? LPC313x_CGU_HP1PLL : LPC313x_CGU_HP0PLL)
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/* HPO PLL control (audio PLL) */
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#define LPC313X_CGU_HP0FINSEL (LPC313X_CGU_CFG_VBASE+LPC313X_CGU_HP0FINSEL_OFFSET)
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@ -1101,29 +1130,19 @@
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#define CGU_SCR_ENF2 (1 << 1) /* Bit 1: Enable side #2 of switch */
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#define CGU_SCR_ENF1 (1 << 0) /* Bit 0: Enable side #1 of switch */
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/* Frequency select register 1 FS1_0 to FS1_11, addresses 0x13004030 to 0x1300405c */
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/* Frequency select register 1 FS1_0 to FS1_11, addresses 0x13004030 to 0x1300405c,
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* Frequency Select register 2 FS2_0 to FS2_11, addresses 0x13004060 to 0x1300408c
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*/
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#define CGU_FS1_SHIFT (0) /* Bits 0-2: Selects input frequency for side #1 of frequency switch */
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#define CGU_FS1_MASK (7 << CGU_FS1_SHIFT)
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# define CGU_FS1_FFAST (CGU_FREQIN_FFAST << CGU_FS1_SHIFT) /* ffast 12 MHz */
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# define CGU_FS1_I2SRXBCK0 (CGU_FREQIN_I2SRXBCK0 << CGU_FS1_SHIFT) /* I2SRX_BCK0 */
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# define CGU_FS1_I2SRXWS0 (CGU_FREQIN_I2SRXWS0 << CGU_FS1_SHIFT) /* I2SRX_WS0 */
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# define CGU_FS1_I2SRXBCK1 (CGU_FREQIN_I2SRXBCK1 << CGU_FS1_SHIFT) /* I2SRX_BCK1 */
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# define CGU_FS1_I2SRXWS1 (CGU_FREQIN_I2SRXWS1 << CGU_FS1_SHIFT) /* I2SRX_WS1 */
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# define CGU_FS1_HPPLL0 (CGU_FREQIN_HPPLL0 << CGU_FS1_SHIFT) /* HPPLL0 (Audio/I2S PLL) */
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# define CGU_FS1_HPPLL1 (CGU_FREQIN_HPPLL1 << CGU_FS1_SHIFT) /* HPPLL1 (System PLL) */
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/* Frequency Select register 2 FS2_0 to FS2_11, addresses 0x13004060 to 0x1300408c */
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#define CGU_FS2_SHIFT (0) /* Bits 0-2: Selects input frequency for side #2 of frequency switch */
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#define CGU_FS2_MASK (7 << CGU_FS2_SHIFT)
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# define CGU_FS2_FFAST (CGU_FREQIN_FFAST << CGU_FS2_SHIFT) /* ffast 12 MHz */
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# define CGU_FS2_I2SRXBCK0 (CGU_FREQIN_I2SRXBCK0 << CGU_FS2_SHIFT) /* I2SRX_BCK0 */
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# define CGU_FS2_I2SRXWS0 (CGU_FREQIN_I2SRXWS0 << CGU_FS2_SHIFT) /* I2SRX_WS0 */
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# define CGU_FS2_I2SRXBCK1 (CGU_FREQIN_I2SRXBCK1 << CGU_FS2_SHIFT) /* I2SRX_BCK1 */
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# define CGU_FS2_I2SRXWS1 (CGU_FREQIN_I2SRXWS1 << CGU_FS2_SHIFT) /* I2SRX_WS1 */
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# define CGU_FS2_HPPLL0 (CGU_FREQIN_HPPLL0 << CGU_FS2_SHIFT) /* HPPLL0 (Audio/I2S PLL) */
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# define CGU_FS2_HPPLL1 (CGU_FREQIN_HPPLL1 << CGU_FS2_SHIFT) /* HPPLL1 (System PLL) */
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#define CGU_FS_SHIFT (0) /* Bits 0-2: Selects input frequency for either side of frequency switch */
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#define CGU_FS_MASK (7 << CGU_FS_SHIFT)
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# define CGU_FS_FFAST (CGU_FREQIN_FFAST << CGU_FS_SHIFT) /* ffast 12 MHz */
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# define CGU_FS_I2SRXBCK0 (CGU_FREQIN_I2SRXBCK0 << CGU_FS_SHIFT) /* I2SRX_BCK0 */
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# define CGU_FS_I2SRXWS0 (CGU_FREQIN_I2SRXWS0 << CGU_FS_SHIFT) /* I2SRX_WS0 */
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# define CGU_FS_I2SRXBCK1 (CGU_FREQIN_I2SRXBCK1 << CGU_FS_SHIFT) /* I2SRX_BCK1 */
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# define CGU_FS_I2SRXWS1 (CGU_FREQIN_I2SRXWS1 << CGU_FS_SHIFT) /* I2SRX_WS1 */
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# define CGU_FS_HPPLL0 (CGU_FREQIN_HPPLL0 << CGU_FS_SHIFT) /* HPPLL0 (Audio/I2S PLL) */
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# define CGU_FS_HPPLL1 (CGU_FREQIN_HPPLL1 << CGU_FS_SHIFT) /* HPPLL1 (System PLL) */
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/* Switch Status register SSR0 to SSR11, addresses 0x13004090 to 0x1300 40bc */
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@ -1137,7 +1156,7 @@
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# define CGU_SSR_HPPLL0 (CGU_FREQIN_HPPLL0 << CGU_SSR_FS_SHIFT) /* HPPLL0 (Audio/I2S PLL) */
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# define CGU_SSR_HPPLL1 (CGU_FREQIN_HPPLL1 << CGU_SSR_FS_SHIFT) /* HPPLL1 (System PLL) */
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#define CGU_SSR_FS2STAT (1 << 1) /* Bit 1: Enable side #2 of the frequency switch */
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#define CGU_SSR_F1STAT (1 << 0) /* Bit 0: Enable side #1 of the frequency switch */
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#define CGU_SSR_FS1STAT (1 << 0) /* Bit 0: Enable side #1 of the frequency switch */
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/* Power Control register PCR0 to PCR91, addresses 0x130040c0 to 0x1300422c */
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@ -1465,175 +1484,120 @@
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#define CGU_INTCRST_RESET (1 << 0) /* Bit 0: Reset for Interrupt Controller */
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/* PLL control registers */
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/* HP0 Frequency Input Select register HP0_FIN_SELECT, address 0x13004cf0 */
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/* HP0 Frequency Input Select register HP0_FIN_SELECT, address 0x13004cf0,
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* HP1 Frequency Input Select register HP1_FIN_SELECT, address 0x13004d28
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*/
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#define CGU_HP0FINSEL_SHIFT (0) /* Bits 0-3: Select input to high HPPLL0 */
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#define CGU_HP0FINSEL_MASK (15 << CGU_HP0FINSEL_SHIFT)
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# define CGU_HP0FINSEL_FFAST (CGU_FREQIN_FFAST << CGU_HP0FINSEL_SHIFT) /* ffast (12 Mhz) */
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# define CGU_HP0FINSEL_I2SRXBCK0 (CGU_FREQIN_I2SRXBCK0 << CGU_HP0FINSEL_SHIFT) /* I2SRX_BCK0 */
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# define CGU_HP0FINSEL_I2SRXWS0 (CGU_FREQIN_I2SRXWS0 << CGU_HP0FINSEL_SHIFT) /* I2SRX_WS0 */
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# define CGU_HP0FINSEL_I2SRXBCK1 (CGU_FREQIN_I2SRXBCK1 << CGU_HP0FINSEL_SHIFT) /* I2SRX_BCK1 */
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# define CGU_HP0FINSEL_I2SRXWS1 (CGU_FREQIN_I2SRXWS1 << CGU_HP0FINSEL_SHIFT) /* I2SRX_WS1 */
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# define CGU_HP0FINSEL_HP1FOUT (CGU_FREQIN_HPPLL1 << CGU_HP0FINSEL_SHIFT) /* HP1_FOUT */
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#define CGU_HPFINSEL_SHIFT (0) /* Bits 0-3: Select input to high HPPLL0 */
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#define CGU_HPFINSEL_MASK (15 << CGU_HPFINSEL_SHIFT)
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# define CGU_HPFINSEL_FFAST (CGU_FREQIN_FFAST << CGU_HPFINSEL_SHIFT) /* ffast (12 Mhz) */
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# define CGU_HPFINSEL_I2SRXBCK0 (CGU_FREQIN_I2SRXBCK0 << CGU_HPFINSEL_SHIFT) /* I2SRX_BCK0 */
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# define CGU_HPFINSEL_I2SRXWS0 (CGU_FREQIN_I2SRXWS0 << CGU_HPFINSEL_SHIFT) /* I2SRX_WS0 */
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# define CGU_HPFINSEL_I2SRXBCK1 (CGU_FREQIN_I2SRXBCK1 << CGU_HPFINSEL_SHIFT) /* I2SRX_BCK1 */
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# define CGU_HPFINSEL_I2SRXWS1 (CGU_FREQIN_I2SRXWS1 << CGU_HPFINSEL_SHIFT) /* I2SRX_WS1 */
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# define CGU_HPFINSEL_HP0FOUT (CGU_FREQIN_HPPLL0 << CGU_HPFINSEL_SHIFT) /* HP0_FOUT */
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# define CGU_HPFINSEL_HP1FOUT (CGU_FREQIN_HPPLL1 << CGU_HPFINSEL_SHIFT) /* HP1_FOUT */
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/* HP0 M-divider register HP0_MDEC, address 0x13004cF4 */
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/* HP0 M-divider register HP0_MDEC, address 0x13004cF4,
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* HP1 M-divider register HP1_MDEC, address 0x13004d2C
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*/
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#define CGU_HP0MDEC_SHIFT (0) /* Bits 0-16: Decoded divider ratio for M-divider */
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#define CGU_HP0MDEC_MASK (0x1ffff << CGU_HP0MDEC_SHIFT)
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#define CGU_HPMDEC_SHIFT (0) /* Bits 0-16: Decoded divider ratio for M-divider */
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#define CGU_HPMDEC_MASK (0x1ffff << CGU_HPMDEC_SHIFT)
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/* HP0 N-divider register HP0_NDEC, address 0x13004cf8 */
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/* HP0 N-divider register HP0_NDEC, address 0x13004cf8,
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* HP1 N-divider register HP1_NDEC, address 0x13004D30
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*/
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#define CGU_HP0NDEC_SHIFT (0) /* Bits 0-9: Decoded divider ratio for N-divider */
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#define CGU_HP0NDEC_MASK (0x3ff << CGU_HP0NDEC_SHIFT)
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#define CGU_HPNDEC_SHIFT (0) /* Bits 0-9: Decoded divider ratio for N-divider */
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#define CGU_HPNDEC_MASK (0x3ff << CGU_HPNDEC_SHIFT)
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/* HP0 P-divider register HP0_PDEC, address 0x13004cfc */
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/* HP0 P-divider register HP0_PDEC, address 0x13004cfc.
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* HP1 P-divider register HP1_PDEC, address 0x13004D34
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*/
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#define CGU_HP0PDEC_SHIFT (0) /* Bits 0-6: Decoded divider ratio for P-divider */
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#define CGU_HP0PDEC_MASK (0x7F << CGU_HP0PDEC_SHIFT)
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#define CGU_HPPDEC_SHIFT (0) /* Bits 0-6: Decoded divider ratio for P-divider */
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#define CGU_HPPDEC_MASK (0x7F << CGU_HPPDEC_SHIFT)
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/* HP0 Mode register HP0_MODE, address 0x13004d00 */
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/* HP0 Mode register HP0_MODE, address 0x13004d00,
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* HP1 Mode register HP1_MODE, address 0x13004d38
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*/
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#define CGU_HP0MODE_BYPASS (1 << 8) /* Bit 8: Bypass mode */
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#define CGU_HP0MODE_LIMUPOFF (1 << 7) /* Bit 7: Up limiter */
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#define CGU_HP0MODE_BANDSEL (1 << 6) /* Bit 6: Bandwidth adjustment pin */
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#define CGU_HP0MODE_FRM (1 << 5) /* Bit 5: Free Running Mode */
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#define CGU_HP0MODE_DIRECTI (1 << 4) /* Bit 4: Normal operation with DIRECTO */
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#define CGU_HP0MODE_DIRECTO (1 << 3) /* Bit 3: Normal operation with DIRECTI */
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#define CGU_HP0MODE_PD (1 << 2) /* Bit 2: Power down mode */
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#define CGU_HP0MODE_SKEWEN (1 << 1) /* Bit 1: Skew mode */
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#define CGU_HP0MODE_CLKEN (1 << 0) /* Bit 0: Enable mode */
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#define CGU_HPMODE_BYPASS (1 << 8) /* Bit 8: Bypass mode */
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#define CGU_HPMODE_LIMUPOFF (1 << 7) /* Bit 7: Up limiter */
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#define CGU_HPMODE_BANDSEL (1 << 6) /* Bit 6: Bandwidth adjustment pin */
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#define CGU_HPMODE_FRM (1 << 5) /* Bit 5: Free Running Mode */
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#define CGU_HPMODE_DIRECTI (1 << 4) /* Bit 4: Normal operation with DIRECTO */
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#define CGU_HPMODE_DIRECTO (1 << 3) /* Bit 3: Normal operation with DIRECTI */
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#define CGU_HPMODE_PD (1 << 2) /* Bit 2: Power down mode */
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#define CGU_HPMODE_SKEWEN (1 << 1) /* Bit 1: Skew mode */
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#define CGU_HPMODE_CLKEN (1 << 0) /* Bit 0: Enable mode */
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/* HP0 Status register HP0_STATUS, address 0x13004d04 */
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/* HP0 Status register HP0_STATUS, address 0x13004d04,
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* HP1 Status register HP1_STATUS, address 0x13004d3c
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*/
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#define CGU_HP0STATUS_FR (1 << 1) /* Bit 1: Free running detector */
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#define CGU_HP0STATUS_LOCK (1 << 0) /* Bit 0: Lock detector */
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#define CGU_HPSTATUS_FR (1 << 1) /* Bit 1: Free running detector */
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#define CGU_HPSTATUS_LOCK (1 << 0) /* Bit 0: Lock detector */
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/* HP0 Acknowledge register HP0_ACK, address 0x13004d08 */
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/* HP0 Acknowledge register HP0_ACK, address 0x13004d08,
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* HP1 Acknowledge register HP1_ACK, address 0x13004d40
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*/
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#define CGU_HP0ACK_P (1 << 2) /* Bit 2: Post-divider ratio change acknowledge */
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#define CGU_HP0ACK_N (1 << 1) /* Bit 1: Pre-divider ratio change acknowledge */
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#define CGU_HP0ACK_M (1 << 0) /* Bit 0: Feedback divider ratio change acknowledge */
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#define CGU_HPACK_P (1 << 2) /* Bit 2: Post-divider ratio change acknowledge */
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#define CGU_HPACK_N (1 << 1) /* Bit 1: Pre-divider ratio change acknowledge */
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#define CGU_HPACK_M (1 << 0) /* Bit 0: Feedback divider ratio change acknowledge */
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/* HP0 request register HP0_REQ, address 0x13004d0c */
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/* HP0 request register HP0_REQ, address 0x13004d0c,
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* HP1 Request register HP1_REQ, address 0x13004d44
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*/
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#define CGU_HP0REQ_P (1 << 2) /* Bit 2: Post-divider ratio change request */
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#define CGU_HP0REQ_N (1 << 1) /* Bit 1: Pre-divider ratio change request */
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#define CGU_HP0REQ_M (1 << 0) /* Bit 0: Feedback divider ratio change request */
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#define CGU_HPREQ_P (1 << 2) /* Bit 2: Post-divider ratio change request */
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#define CGU_HPREQ_N (1 << 1) /* Bit 1: Pre-divider ratio change request */
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#define CGU_HPREQ_M (1 << 0) /* Bit 0: Feedback divider ratio change request */
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/* HP0 Bandwith Selection register HP0_INSELR, address 0x13004d10 */
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/* HP0 Bandwith Selection register HP0_INSELR, address 0x13004d10,
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* HP1 bandwith Selection register HP1_INSELR, address 0x13004d48
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*/
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#define CGU_HPINSELR_SHIFT (0) /* Bits 0-3: Pins to select the bandwidth */
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#define CGU_HPINSELR_MASK (15 << CGU_HPINSELR_SHIFT)
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#define CGU_HP0INSELR_SHIFT (0) /* Bits 0-3: Pins to select the bandwidth */
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#define CGU_HP0INSELR_MASK (15 << CGU_HP0INSELR_SHIFT)
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/* HP0 Bandwith Selection register HP0_INSELI, address 0x13004d14,
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* HP1 bandwith Selection register HP1_INSELI, address 0x13004d4c
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*/
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/* HP0 Bandwith Selection register HP0_INSELI, address 0x13004d14 */
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#define CGU_HPINSELI_SHIFT (0) /* Bits 0-5: Bandwidth selection register of HP0/1 PLL */
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#define CGU_HPINSELI_MASK (63 << CGU_HPINSELI_SHIFT)
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#define CGU_HP0INSELI_SHIFT (0) /* Bits 0-5: Bandwidth selection register of HP0 PLL */
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#define CGU_HP0INSELI_MASK (63 << CGU_HP0INSELI_SHIFT)
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/* HP0 Bandwith Selection register HP0_INSELP, address 0x13004d18 */
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/* HP0 Bandwith Selection register HP0_INSELP, address 0x13004d18,
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* HP1 bandwith Selection register HP1_INSELP, address 0x13004d50
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*/
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#define CGU_HP0INSELP_SHIFT (0) /* Bits 0-4: Bandwidth selection register of HP0 PLL */
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#define CGU_HP0INSELP_MASK (31 << CGU_HP0INSELP_SHIFT)
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#define CGU_HPINSELP_SHIFT (0) /* Bits 0-4: Bandwidth selection register of HP0/1 PLL */
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#define CGU_HPINSELP_MASK (31 << CGU_HPINSELP_SHIFT)
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/* HP0 Bandwith Selection register HP0_INSELP, address 0x13004d18 */
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/* HP0 Bandwith Selection register HP0_SELR, address 0x13004d1c,
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* HP1 bandwith Selection register HP1_SELR, address 0x13004d54
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*/
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#define CGU_HP0SELR_SHIFT (0) /* Bits 0-3: Bandwidth selection register of HP0 PLL */
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#define CGU_HP0SELR_MASK (15 << CGU_HP0SELR_SHIFT)
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#define CGU_HPSELR_SHIFT (0) /* Bits 0-3: Bandwidth selection register of HP0/1 PLL */
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#define CGU_HPSELR_MASK (15 << CGU_HPSELR_SHIFT)
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|
||||
/* HP0 Bandwith Selection register HP0_SELI, address 0x13004d20 */
|
||||
/* HP0 Bandwith Selection register HP0_SELI, address 0x13004d20
|
||||
* HP1 bandwith Selection register HP1_SELI, address 0x13004d58
|
||||
*/
|
||||
|
||||
#define CGU_HP0SELI_SHIFT (0) /* Bits 0-5: Bandwidth selection register of HP0 PLL */
|
||||
#define CGU_HP0SELI_MASK (63 << CGU_HP0SELI_SHIFT)
|
||||
#define CGU_HPSELI_SHIFT (0) /* Bits 0-5: Bandwidth selection register of HP0/1 PLL */
|
||||
#define CGU_HPSELI_MASK (63 << CGU_HPSELI_SHIFT)
|
||||
|
||||
/* HP0 Bandwith Selection register HP0_SELP, address 0x13004d24 */
|
||||
/* HP0 Bandwith Selection register HP0_SELP, address 0x13004d24,
|
||||
* HP1 bandwith Selection register HP1_SELP, address 0x13004d5c
|
||||
*/
|
||||
|
||||
#define CGU_HP0SELP_SHIFT (0) /* Bits 0-4: Bandwidth selection register of HP0 PLL */
|
||||
#define CGU_HP0IELP_MASK (31 << CGU_HP0SELP_SHIFT)
|
||||
|
||||
/* HP1 Frequency Input Select register HP1_FIN_SELECT, address 0x13004d28 */
|
||||
|
||||
#define CGU_HP1FINSEL_SHIFT (0) /* Bits 0-3: Select input to high HPPLL0 */
|
||||
#define CGU_HP1FINSEL_MASK (15 << CGU_HP1FINSEL_SHIFT)
|
||||
# define CGU_HP1FINSEL_FFAST (CGU_FREQIN_FFAST << CGU_HP1FINSEL_SHIFT) /* ffast (12 Mhz) */
|
||||
# define CGU_HP1FINSEL_I2SRXBCK0 (CGU_FREQIN_I2SRXBCK0 << CGU_HP1FINSEL_SHIFT) /* I2SRX_BCK0 */
|
||||
# define CGU_HP1FINSEL_I2SRXWS0 (CGU_FREQIN_I2SRXWS0 << CGU_HP1FINSEL_SHIFT) /* I2SRX_WS0 */
|
||||
# define CGU_HP1FINSEL_I2SRXBCK1 (CGU_FREQIN_I2SRXBCK1 << CGU_HP1FINSEL_SHIFT) /* I2SRX_BCK1 */
|
||||
# define CGU_HP1FINSEL_I2SRXWS1 (CGU_FREQIN_I2SRXWS1 << CGU_HP1FINSEL_SHIFT) /* I2SRX_WS1 */
|
||||
# define CGU_HP1FINSEL_HP0FOUT (CGU_FREQIN_HPPLL0 << CGU_HP1FINSEL_SHIFT) /* HP0_FOUT */
|
||||
|
||||
/* HP1 M-divider register HP1_MDEC, address 0x13004d2C */
|
||||
|
||||
#define CGU_HP1MDEC_SHIFT (0) /* Bits 0-16: Decoded divider ratio for M-divider */
|
||||
#define CGU_HP1MDEC_MASK (0x1ffff << CGU_HP1MDEC_SHIFT)
|
||||
|
||||
/* HP1 N-divider register HP1_NDEC, address 0x13004D30 */
|
||||
|
||||
#define CGU_HP1NDEC_SHIFT (0) /* Bits 0-9: Decoded divider ratio for N-divider */
|
||||
#define CGU_HP1NDEC_MASK (0x3ff << CGU_HP1NDEC_SHIFT)
|
||||
|
||||
/* HP1 P-diver register HP1_PDEC, address 0x13004D34 */
|
||||
|
||||
#define CGU_HP1PDEC_SHIFT (0) /* Bits 0-6: Decoded divider ratio for P-divider */
|
||||
#define CGU_HP1PDEC_MASK (0x7F << CGU_HP1PDEC_SHIFT)
|
||||
|
||||
/* HP1 Mode register HP1_MODE, address 0x13004d38 */
|
||||
|
||||
#define CGU_HP1MODE_BYPASS (1 << 8) /* Bit 8: Bypass mode */
|
||||
#define CGU_HP1MODE_LIMUPOFF (1 << 7) /* Bit 7: Up limiter */
|
||||
#define CGU_HP1MODE_BANDSEL (1 << 6) /* Bit 6: Bandwidth adjustment pin */
|
||||
#define CGU_HP1MODE_FRM (1 << 5) /* Bit 5: Free Running Mode */
|
||||
#define CGU_HP1MODE_DIRECTI (1 << 4) /* Bit 4: Normal operation with DIRECTO */
|
||||
#define CGU_HP1MODE_DIRECTO (1 << 3) /* Bit 3: Normal operation with DIRECTI */
|
||||
#define CGU_HP1MODE_PD (1 << 2) /* Bit 2: Power down mode */
|
||||
#define CGU_HP1MODE_SKEWEN (1 << 1) /* Bit 1: Skew mode */
|
||||
#define CGU_HP1MODE_CLKEN (1 << 0) /* Bit 0: Enable mode */
|
||||
|
||||
/* HP1 Status register HP1_STATUS, address 0x13004d3C */
|
||||
|
||||
#define CGU_HP1STATUS_FR (1 << 1) /* Bit 1: Free running detector */
|
||||
#define CGU_HP1STATUS_LOCK (1 << 0) /* Bit 0: Lock detector */
|
||||
|
||||
/* HP1 Acknowledge register HP1_ACK, address 0x13004d40 */
|
||||
|
||||
#define CGU_HP1ACK_P (1 << 2) /* Bit 2: Post-divider ratio change acknowledge */
|
||||
#define CGU_HP1ACK_N (1 << 1) /* Bit 1: Pre-divider ratio change acknowledge */
|
||||
#define CGU_HP1ACK_M (1 << 0) /* Bit 0: Feedback divider ratio change acknowledge */
|
||||
|
||||
/* HP1 Request register HP1_REQ, address 0x13004d44 */
|
||||
|
||||
#define CGU_HP1REQ_P (1 << 2) /* Bit 2: Post-divider ratio change request */
|
||||
#define CGU_HP1REQ_N (1 << 1) /* Bit 1: Pre-divider ratio change request */
|
||||
#define CGU_HP1REQ_M (1 << 0) /* Bit 0: Feedback divider ratio change request */
|
||||
|
||||
/* HP1 bandwith Selection register HP1_INSELR, address 0x13004d48 */
|
||||
|
||||
#define CGU_HP1INSELR_SHIFT (0) /* Bits 0-3: Pins to select the bandwidth */
|
||||
#define CGU_HP1INSELR_MASK (15 << CGU_HP1INSELR_SHIFT)
|
||||
|
||||
/* HP1 bandwith Selection register HP1_INSELI, address 0x13004d4c */
|
||||
|
||||
#define CGU_HP1INSELI_SHIFT (0) /* Bits 0-5: Bandwidth selection register of HP1 PLL */
|
||||
#define CGU_HP1INSELI_MASK (63 << CGU_HP1INSELI_SHIFT)
|
||||
|
||||
/* HP1 bandwith Selection register HP1_INSELP, address 0x13004d50 */
|
||||
|
||||
#define CGU_HP1INSELP_SHIFT (0) /* Bits 0-4: Bandwidth selection register of HP1 PLL */
|
||||
#define CGU_HP1INSELP_MASK (31 << CGU_HP1INSELP_SHIFT)
|
||||
|
||||
/* HP1 bandwith Selection register HP1_SELR, address 0x13004d54 */
|
||||
|
||||
#define CGU_HP1SELR_SHIFT (0) /* Bits 0-3: Bandwidth selection register of HP1 PLL */
|
||||
#define CGU_HP1SELR_MASK (15 << CGU_HP1SELR_SHIFT)
|
||||
|
||||
/* HP1 bandwith Selection register HP1_SELI, address 0x13004d58 */
|
||||
|
||||
#define CGU_HP1SELI_SHIFT (0) /* Bits 0-5: Bandwidth selection register of HP1 PLL */
|
||||
#define CGU_HP1SELI_MASK (63 << CGU_HP1SELI_SHIFT)
|
||||
|
||||
/* HP1 bandwith Selection register HP1_SELP, address 0x13004d5c */
|
||||
|
||||
#define CGU_HP1SELP_SHIFT (0) /* Bits 0-4: Bandwidth selection register of HP1 PLL */
|
||||
#define CGU_HP1IELP_MASK (31 << CGU_HP1SELP_SHIFT)
|
||||
#define CGU_HPSELP_SHIFT (0) /* Bits 0-4: Bandwidth selection register of HP0/1 PLL */
|
||||
#define CGU_HPIELP_MASK (31 << CGU_HPSELP_SHIFT)
|
||||
|
||||
/************************************************************************************************
|
||||
* Public Types
|
||||
|
||||
@ -396,27 +396,45 @@ enum lpc313x_resetid_e
|
||||
RESETID_INTCRST, /* 55 Interrupt Controller */
|
||||
};
|
||||
|
||||
/* This structure is used to pass PLL configuration data to
|
||||
* lpc313x_pllconfig()
|
||||
*/
|
||||
|
||||
struct lpc313x_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 provides the programmed frequency of every input source */
|
||||
|
||||
EXTERN const int32_t g_boardfreqin[CGU_NFREQIN];
|
||||
EXTERN uint32_t g_boardfreqin[CGU_NFREQIN];
|
||||
|
||||
/************************************************************************
|
||||
* Inline Functions
|
||||
************************************************************************/
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_basefreq
|
||||
* Name: lpc313x_getbasefreq
|
||||
*
|
||||
* Description:
|
||||
* Return the base frequency associated with a clock domain
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
static inline int32_t lpc313x_basefreq(enum lpc313x_domainid_e dmnid)
|
||||
static inline uint32_t lpc313x_getbasefreq(enum lpc313x_domainid_e dmnid)
|
||||
{
|
||||
uint32_t regval;
|
||||
int ndx;
|
||||
@ -472,6 +490,36 @@ static inline void lpc313x_disableclock(enum lpc313x_clockid_e clkid)
|
||||
* Public Functions
|
||||
************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc313x_pllconfig
|
||||
*
|
||||
* Description:
|
||||
* Re-onfigure the PLL according to the provided selections.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void lpc313x_pllconfig(const struct lpc313x_pllconfig_s * const cfg);
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_hp0pllconfig
|
||||
*
|
||||
* Description:
|
||||
* Configure the HP0 PLL according to the board.h default selections.
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
EXTERN void lpc313x_hp0pllconfig(void);
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_hp1pllconfig
|
||||
*
|
||||
* Description:
|
||||
* Configure the HP1 PLL according to the board.h default selections.
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
EXTERN void lpc313x_hp1pllconfig(void);
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_softreset
|
||||
*
|
||||
@ -529,7 +577,18 @@ EXTERN int lpc313x_fdcndx(enum lpc313x_clockid_e clkid,
|
||||
enum lpc313x_domainid_e dmnid);
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_fdcndx
|
||||
* Name: lpc313x_selectfreqin
|
||||
*
|
||||
* Description:
|
||||
* Set the base frequency source selection for with a clock domain
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
EXTERN void lpc313x_selectfreqin(enum lpc313x_domainid_e dmnid,
|
||||
uint32_t finsel);
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_clkfreq
|
||||
*
|
||||
* Description:
|
||||
* Given a clock ID and its domain ID, return the frequency of the
|
||||
|
||||
@ -85,7 +85,7 @@ uint32_t lpc313x_clkfreq(enum lpc313x_clockid_e clkid,
|
||||
|
||||
/* Get base frequency for the domain */
|
||||
|
||||
freq = lpc313x_basefreq(dmnid);
|
||||
freq = lpc313x_getbasefreq(dmnid);
|
||||
|
||||
/* If there is no fractional divider associated with the clodk, then the
|
||||
* connection is directo and we just return the base frequency.
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* configs/ea3131/src/up_cgu.c
|
||||
* arch/arm/src/lpc313x/lpc313x_freqin.c
|
||||
*
|
||||
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
@ -46,24 +46,33 @@
|
||||
#include "lpc313x_cgudrvr.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Definitions
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
const int32_t g_boardfreqin[CGU_NFREQIN] =
|
||||
{
|
||||
BOARD_FREQIN_FFAST, /* Index=CGU_FREQIN_FFAST */
|
||||
BOARD_FREQIN_I2SRXBCK0, /* Index=CGU_FREQIN_I2SRXBCK0 */
|
||||
BOARD_FREQIN_I2SRXWS0, /* Index=CGU_FREQIN_I2SRXWS0 */
|
||||
BOARD_FREQIN_I2SRXBCK1, /* Index=CGU_FREQIN_I2SRXBCK1 */
|
||||
BOARD_FREQIN_I2SRXWS1, /* Index=CGU_FREQIN_I2SRXWS1 */
|
||||
BOARD_FREQIN_HPPLL0, /* Index=CGU_FREQIN_HPPLL0 (Audio/I2S PLL) */
|
||||
BOARD_FREQIN_HPPLL1 /* Index=CGU_FREQIN_HPPLL1 (System PLL) */
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/* This array provides the programmed frequency of every input source. The
|
||||
* board FFAST input crystal frequency is the only value known initially.
|
||||
* Additional frequencies will be added to the table as they are determined
|
||||
*/
|
||||
|
||||
uint32_t g_boardfreqin[CGU_NFREQIN] =
|
||||
{
|
||||
BOARD_FREQIN_FFAST, /* Index=CGU_FREQIN_FFAST */
|
||||
0, /* Index=CGU_FREQIN_I2SRXBCK0 */
|
||||
0, /* Index=CGU_FREQIN_I2SRXWS0 */
|
||||
0, /* Index=CGU_FREQIN_I2SRXBCK1 */
|
||||
0, /* Index=CGU_FREQIN_I2SRXWS1 */
|
||||
0, /* Index=CGU_FREQIN_HPPLL0 (Audio/I2S PLL) */
|
||||
0 /* Index=CGU_FREQIN_HPPLL1 (System PLL) */
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
267
arch/arm/src/lpc313x/lpc313x_pllconfig.c
Executable file
267
arch/arm/src/lpc313x/lpc313x_pllconfig.c
Executable file
@ -0,0 +1,267 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/lpc313x/lpc313x_pllconfig.c
|
||||
*
|
||||
* Copyright (C) 2009 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "lpc313x_cgudrvr.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc313x_switchdomains
|
||||
*
|
||||
* Description:
|
||||
* Temporarily switch the referemce clock of all domains whose selected
|
||||
* input is the PLL-to-be configured .
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline uint16_t
|
||||
lpc313x_switchdomains(const struct lpc313x_pllconfig_s * const cfg)
|
||||
{
|
||||
uint32_t hppll = (cfg->hppll ? CGU_SSR_HPPLL1 : CGU_SSR_HPPLL0);
|
||||
uint32_t address;
|
||||
uint32_t regval;
|
||||
uint16_t dmnset = 0;
|
||||
int i;
|
||||
|
||||
/* Check each domain */
|
||||
|
||||
for (i = 0; i < CGU_NDOMAINS; i++)
|
||||
{
|
||||
/* Get the switch status registers (SSR) for this frequency input domain */
|
||||
|
||||
address = LPC313X_CGU_SSR_OFFSET(i);
|
||||
regval = getreg32(address);
|
||||
|
||||
/* Check if the current frequency selection is the PLL-to-be-configured */
|
||||
|
||||
if ((regval & CGU_SSR_FS_MASK) == hppll)
|
||||
{
|
||||
/* Yes.. switch reference clock in to FFAST */
|
||||
|
||||
lpc313x_selectfreqin(i, CGU_FS_FFAST);
|
||||
|
||||
/* Add the domain to the set to be restored after the PLL is configured */
|
||||
|
||||
dmnset |= (1 << i);
|
||||
}
|
||||
}
|
||||
|
||||
return dmnset;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc313x_restoredomains
|
||||
*
|
||||
* Description:
|
||||
* Restore the PLL reference clock to the domains that were temporarily
|
||||
switched to FFAST by lpc313x_switchdomains.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static inline void
|
||||
lpc313x_restoredomains(const struct lpc313x_pllconfig_s * const cfg,
|
||||
uint16_t dmnset)
|
||||
{
|
||||
uint32_t finsel = (cfg->hppll ? CGU_FS_HPPLL1 : CGU_FS_HPPLL0);
|
||||
int i;
|
||||
|
||||
/* Check each domain */
|
||||
|
||||
for (i = 0; i < CGU_NDOMAINS; i++)
|
||||
{
|
||||
/* Was this one switched? */
|
||||
|
||||
if ((dmnset & (1 << i)) != 0)
|
||||
{
|
||||
/* Switch input reference clock to newly configured HPLL */
|
||||
|
||||
lpc313x_selectfreqin(i, finsel);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc313x_pllconfig
|
||||
*
|
||||
* Description:
|
||||
* Configure the PLL according to the provided selections.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void lpc313x_pllconfig(const struct lpc313x_pllconfig_s * const cfg)
|
||||
{
|
||||
uint32_t pllbase;
|
||||
uint16_t dmnset = 0;
|
||||
|
||||
/* Switch domains connected to HPLL to FFAST */
|
||||
|
||||
dmnset = lpc313x_switchdomains(cfg);
|
||||
|
||||
/* Get the PLL register base address */
|
||||
|
||||
pllbase = LPC313x_CGU_HPPLL(cfg->hppll);
|
||||
|
||||
/* Disable clock, disable skew enable, power down pll, (dis/en)able post
|
||||
* divider, (dis/en)able pre-divider, disable free running mode, disable bandsel,
|
||||
* enable up limmiter, disable bypass
|
||||
*/
|
||||
|
||||
putreg32(CGU_HPMODE_PD, pllbase + LPC313X_CGU_HPMODE_OFFSET);
|
||||
|
||||
/* Select PLL input frequency source */
|
||||
|
||||
putreg32(cfg->finsel, pllbase + LPC313X_CGU_HPFINSEL_OFFSET);
|
||||
|
||||
/* Set M divider */
|
||||
|
||||
putreg32(cfg->mdec & CGU_HPMDEC_MASK, pllbase + LPC313X_CGU_HPMDEC_OFFSET);
|
||||
|
||||
/* Set N divider */
|
||||
|
||||
putreg32(cfg->ndec & CGU_HPNDEC_MASK, pllbase + LPC313X_CGU_HPNDEC_OFFSET);
|
||||
|
||||
/* Set P divider */
|
||||
|
||||
putreg32(cfg->pdec & CGU_HPPDEC_MASK, pllbase + LPC313X_CGU_HPPDEC_OFFSET);
|
||||
|
||||
/* Set bandwidth */
|
||||
|
||||
putreg32(cfg->selr, pllbase + LPC313X_CGU_HPSELR_OFFSET);
|
||||
putreg32(cfg->seli, pllbase + LPC313X_CGU_HPSELI_OFFSET);
|
||||
putreg32(cfg->selp, pllbase + LPC313X_CGU_HPSELP_OFFSET);
|
||||
|
||||
/* Power up pll */
|
||||
|
||||
putreg32((cfg->mode & ~CGU_HPMODE_PD) | CGU_HPMODE_CLKEN, pllbase + LPC313X_CGU_HPMODE_OFFSET);
|
||||
|
||||
/* Save the estimated freq in driver data for future clk calcs */
|
||||
|
||||
g_boardfreqin[CGU_FREQIN_HPPLL0 + cfg->hppll] = cfg->freq;
|
||||
|
||||
/* Wait for PLL to lock */
|
||||
|
||||
while ((getreg32(pllbase + LPC313X_CGU_HPSTATUS_OFFSET) & CGU_HPSTATUS_LOCK) == 0);
|
||||
|
||||
/* Switch the domains that were temporarily switched to FFAST back to the HPPLL */
|
||||
|
||||
lpc313x_restoredomains(cfg, dmnset);
|
||||
}
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_hp0pllconfig
|
||||
*
|
||||
* Description:
|
||||
* Configure the HP0 PLL according to the board.h selections.
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
void lpc313x_hp0pllconfig(void)
|
||||
{
|
||||
struct lpc313x_pllconfig_s cfg =
|
||||
{
|
||||
.hppll = CGU_HP0PLL,
|
||||
.finsel = BOARD_HPLL0_FINSEL,
|
||||
.ndec = BOARD_HPLL0_NDEC,
|
||||
.mdec = BOARD_HPLL0_MDEC,
|
||||
.pdec = BOARD_HPLL0_PDEC,
|
||||
.selr = BOARD_HPLL0_SELR,
|
||||
.seli = BOARD_HPLL0_SELI,
|
||||
.selp = BOARD_HPLL0_SELP,
|
||||
.mode = BOARD_HPLL0_MODE,
|
||||
.freq = BOARD_HPLL0_FREQ
|
||||
};
|
||||
|
||||
lpc313x_pllconfig(&cfg);
|
||||
}
|
||||
|
||||
/************************************************************************
|
||||
* Name: lpc313x_hp1pllconfig
|
||||
*
|
||||
* Description:
|
||||
* Configure the HP1 PLL according to the board.h selections.
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
void lpc313x_hp1pllconfig(void)
|
||||
{
|
||||
struct lpc313x_pllconfig_s cfg =
|
||||
{
|
||||
.hppll = CGU_HP1PLL,
|
||||
.finsel = BOARD_HPLL1_FINSEL,
|
||||
.ndec = BOARD_HPLL1_NDEC,
|
||||
.mdec = BOARD_HPLL1_MDEC,
|
||||
.pdec = BOARD_HPLL1_PDEC,
|
||||
.selr = BOARD_HPLL1_SELR,
|
||||
.seli = BOARD_HPLL1_SELI,
|
||||
.selp = BOARD_HPLL1_SELP,
|
||||
.mode = BOARD_HPLL1_MODE,
|
||||
.freq = BOARD_HPLL1_FREQ
|
||||
};
|
||||
|
||||
lpc313x_pllconfig(&cfg);
|
||||
}
|
||||
|
||||
119
arch/arm/src/lpc313x/lpc313x_setfreqin.c
Executable file
119
arch/arm/src/lpc313x/lpc313x_setfreqin.c
Executable file
@ -0,0 +1,119 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/lpc313x/lpc313x_setfreqin.c
|
||||
*
|
||||
* Copyright (C) 2009 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "lpc313x_cgudrvr.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc313x_selectfreqin
|
||||
*
|
||||
* Description:
|
||||
* Set the base frequency source selection for with a clock domain
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void lpc313x_selectfreqin(enum lpc313x_domainid_e dmnid, uint32_t finsel)
|
||||
{
|
||||
uint32_t scraddr = LPC313X_CGU_SCR(dmnid);
|
||||
uint32_t fs1addr = LPC313X_CGU_FS1(dmnid);
|
||||
uint32_t fs2addr = LPC313X_CGU_FS2(dmnid);
|
||||
uint32_t scrbits;
|
||||
|
||||
/* Get the frequency selection from the switch configuration register (SCR)
|
||||
* for this domain.
|
||||
*/
|
||||
|
||||
scrbits = getreg32(scraddr) & ~(CGU_SCR_ENF1|CGU_SCR_ENF2);
|
||||
|
||||
/* If FS1 is currently enabled set the reference clock to FS2 and enable FS2 */
|
||||
|
||||
if (getreg32(LPC313X_CGU_SSR(dmnid) & CGU_SSR_FS1STAT) != 0)
|
||||
{
|
||||
/* Check if the selected frequency, FS1, is same as requested */
|
||||
|
||||
if ((getreg32(fs1addr) & CGU_FS_MASK) != finsel)
|
||||
{
|
||||
/* No.. Set up FS2 */
|
||||
|
||||
putreg32(finsel, fs2addr);
|
||||
putreg32(scrbits | CGU_SCR_ENF2, scraddr);
|
||||
}
|
||||
}
|
||||
|
||||
/* FS1 is not currently enabled, check if the selected frequency, FS2,
|
||||
* is same as requested
|
||||
*/
|
||||
|
||||
else if ((getreg32(fs2addr) & CGU_FS_MASK) != finsel)
|
||||
{
|
||||
/* No.. Set up FS1 */
|
||||
|
||||
putreg32(finsel, fs1addr);
|
||||
putreg32(scrbits | CGU_SCR_ENF1, scraddr);
|
||||
}
|
||||
}
|
||||
@ -52,15 +52,33 @@
|
||||
************************************************************************************/
|
||||
|
||||
/* Clocking *************************************************************************/
|
||||
/* Frequency of the all inputs */
|
||||
/* Frequency of the FFAST input */
|
||||
|
||||
#define BOARD_FREQIN_FFAST (12000000) /* ffast (12 MHz crystal) */
|
||||
#define BOARD_FREQIN_I2SRXBCK0 0 /* I2SRX_BCK0 */
|
||||
#define BOARD_FREQIN_I2SRXWS0 0 /* I2SRX_WS0 */
|
||||
#define BOARD_FREQIN_I2SRXBCK1 0 /* I2SRX_BCK1 */
|
||||
#define BOARD_FREQIN_I2SRXWS1 0 /* I2SRX_WS1 */
|
||||
#define BOARD_FREQIN_HPPLL0 0 /* HPPLL0 (Audio/I2S PLL)) */
|
||||
#define BOARD_FREQIN_HPPLL1 0 /* HPPLL1 (System PLL */
|
||||
|
||||
/* HPLL0 configuration */
|
||||
|
||||
#define BOARD_HPLL0_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
|
||||
#define BOARD_HPLL0_NDEC 131 /* PLL N-divider value */
|
||||
#define BOARD_HPLL0_MDEC 29784 /* PLL M-divider value */
|
||||
#define BOARD_HPLL0_PDEC 7 /* PLL P-divider value */
|
||||
#define BOARD_HPLL0_SELR 0 /* SELR bandwidth selection */
|
||||
#define BOARD_HPLL0_SELI 8 /* SELI bandwidth selection */
|
||||
#define BOARD_HPLL0_SELP 31 /* SELP bandwidth selection */
|
||||
#define BOARD_HPLL0_MODE 0 /* PLL mode */
|
||||
#define BOARD_HPLL0_FREQ 406425600 /* Frequency of the PLL in MHz */
|
||||
|
||||
/* HPLL1 configuration */
|
||||
|
||||
#define BOARD_HPLL1_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
|
||||
#define BOARD_HPLL1_NDEC 770 /* PLL N-divider value */
|
||||
#define BOARD_HPLL1_MDEC 8191 /* PLL M-divider value */
|
||||
#define BOARD_HPLL1_PDEC 98 /* PLL P-divider value */
|
||||
#define BOARD_HPLL1_SELR 0 /* SELR bandwidth selection */
|
||||
#define BOARD_HPLL1_SELI 16 /* SELI bandwidth selection */
|
||||
#define BOARD_HPLL1_SELP 8 /* SELP bandwidth selection */
|
||||
#define BOARD_HPLL1_MODE 0 /* PLL mode */
|
||||
#define BOARD_HPLL1_FREQ 180000000 /* Frequency of the PLL in MHz */
|
||||
|
||||
/* The following 3 bitsets determine which clocks will be enabled at initialization
|
||||
* time.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user