58 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2016 Socionext Inc.
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|  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
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|  */
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| 
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| #include <linux/delay.h>
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| 
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| #include "../init.h"
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| #include "../sc64-regs.h"
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| #include "pll.h"
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| 
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| /* PLL type: SSC */
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| #define SC_CPLLCTRL	0x1400	/* CPU/ARM */
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| #define SC_SPLLCTRL	0x1410	/* misc */
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| #define SC_SPLL2CTRL	0x1420	/* DSP */
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| #define SC_MPLLCTRL	0x1430	/* Video codec */
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| #define SC_VPPLLCTRL	0x1440	/* VPE etc. */
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| #define SC_GPPLLCTRL	0x1450	/* GPU/Mali */
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| #define SC_DPLL0CTRL	0x1460	/* DDR memory 0 */
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| #define SC_DPLL1CTRL	0x1470	/* DDR memory 1 */
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| #define SC_DPLL2CTRL	0x1480	/* DDR memory 2 */
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| 
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| /* PLL type: VPLL27 */
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| #define SC_VPLL27FCTRL	0x1500
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| #define SC_VPLL27ACTRL	0x1520
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| 
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| /* PLL type: DSPLL */
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| #define SC_VPLL8KCTRL	0x1540
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| #define SC_A2PLLCTRL	0x15C0
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| 
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| void uniphier_ld20_pll_init(void)
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| {
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| 	uniphier_ld20_sscpll_init(SC_CPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
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| 	/* do nothing for SPLL */
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| 	uniphier_ld20_sscpll_init(SC_SPLL2CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
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| 	uniphier_ld20_sscpll_init(SC_MPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
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| 	uniphier_ld20_sscpll_init(SC_VPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
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| 	uniphier_ld20_sscpll_init(SC_GPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
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| 
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| 	mdelay(1);
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| 
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| 	uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_SPLL2CTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_MPLLCTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_VPPLLCTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_GPPLLCTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL);
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| 
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| 	uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
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| 	uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
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| 
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| 	uniphier_ld20_dspll_init(SC_VPLL8KCTRL);
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| 	uniphier_ld20_dspll_init(SC_A2PLLCTRL);
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| }
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