mirror of
https://github.com/AsahiLinux/u-boot
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
/*
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* (C) Copyright 2002
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* Custom IDEAS, Inc. <www.cideas.com>
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* Jon Diekema <diekema@cideas.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#define SLRCLK_EN_MASK 0x00040000 /* PA13 - SLRCLK_EN* */
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#define MIN_SAMPLE_RATE 4000 /* Minimum sample rate */
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#define MAX_128x_SAMPLE_RATE 43402 /* Maximum 128x sample rate */
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#define MAX_64x_SAMPLE_RATE 86805 /* Maximum 64x sample rate */
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#define KHZ ((uint)1000)
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#define MHZ ((uint)(1000 * KHZ))
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#define MCLK_BRG 3 /* MCLK, Master CLocK for the A/D & D/A */
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#define SCLK_BRG 7 /* SCLK, Sample CLocK for the A/D & D/A */
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#define LRCLK_BRG 5 /* LRCLK, L/R CLocK for the A/D & D/A */
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/* 0 == BRG1 (used for SMC1) */
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/* 1 == BRG2 (used for SMC2) */
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/* 2 == BRG3 (used for SCC1) */
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/* 3 == BRG4 (MCLK) */
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/* 4 == BRG5 */
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/* 5 == BRG6 (LRCLK) */
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/* 6 == BRG7 */
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/* 7 == BRG8 (SCLK) */
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#define MCLK_DIVISOR 4 /* SCLK = MCLK / MCLK_DIVISOR */
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#define SCLK_DIVISOR (Daq64xSampling ? 64 : 128)
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/* LRCLK = SCLK / SCLK_DIVISOR */
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#define TIGHTEN_UP_BRG_EN_TIMING /* Tighten up the BRG enable timing */
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#define RUN_SCLK_ON_BRG_INT /* Run SCLK on BRG_INT instead of MCLK */
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/* The 8260 (Mask B.3) seems to have */
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/* problems generating SCLK from MCLK */
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/* via CLK9. */
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#define RUN_LRCLK_ON_BRG_INT /* Run LRCLK on BRG_INT instead of SCLK */
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/* The 8260 (Mask B.3) seems to have */
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/* problems generating LRCLK from SCLK */
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#define NUM_LRCLKS_TO_STABILIZE 1 /* Number of LRCLK period (sample) */
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/* to wait for the clock to stabilize */
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#define CPM_CLK (gd->bd->bi_cpmfreq)
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#define DFBRG 4
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#define BRG_INT_CLK (CPM_CLK * 2 / DFBRG)
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/* BRG = CPM * 2 / DFBRG (Sect 9.8) */
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/* BRG = CPM * 2 / 4 */
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/* BRG = CPM / 2 */
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#define CPM_BRG_EXTC_MASK ((uint)0x0000C000)
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#define CPM_BRG_EXTC_SHIFT 14
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#define CPM_BRG_DIV16_MASK ((uint)0x00000001)
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#define CPM_BRG_DIV16_SHIFT 1
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#define CPM_BRG_EXTC_BRGCLK 0
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#define CPM_BRG_EXTC_CLK3 1
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#define CPM_BRG_EXTC_CLK9 CPM_BRG_EXTC_CLK3
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#define CPM_BRG_EXTC_CLK5 2
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#define CPM_BRG_EXTC_CLK15 CPM_BRG_EXTC_CLK5
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#define IM_BRGC1 ((uint *)0xf00119f0)
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#define IM_BRGC2 ((uint *)0xf00119f4)
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#define IM_BRGC3 ((uint *)0xf00119f8)
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#define IM_BRGC4 ((uint *)0xf00119fc)
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#define IM_BRGC5 ((uint *)0xf00115f0)
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#define IM_BRGC6 ((uint *)0xf00115f4)
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#define IM_BRGC7 ((uint *)0xf00115f8)
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#define IM_BRGC8 ((uint *)0xf00115fc)
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/*
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* External declarations
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*/
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extern int Daq64xSampling;
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extern void Daq_BRG_Reset(uint brg);
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extern void Daq_BRG_Run(uint brg);
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extern void Daq_BRG_Disable(uint brg);
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extern void Daq_BRG_Enable(uint brg);
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extern uint Daq_BRG_Get_Div16(uint brg);
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extern void Daq_BRG_Set_Div16(uint brg, uint div16);
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extern uint Daq_BRG_Get_Count(uint brg);
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extern void Daq_BRG_Set_Count(uint brg, uint brg_cnt);
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extern uint Daq_BRG_Get_ExtClk(uint brg);
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extern char* Daq_BRG_Get_ExtClk_Description(uint brg);
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extern void Daq_BRG_Set_ExtClk(uint brg, uint extc);
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extern uint Daq_BRG_Rate(uint brg);
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extern uint Daq_Get_SampleRate(void);
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extern void Daq_Init_Clocks(int sample_rate, int sample_64x);
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extern void Daq_Stop_Clocks(void);
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extern void Daq_Start_Clocks(int sample_rate);
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extern void Daq_Display_Clocks(void);
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