46 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.3 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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|  */
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| 
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| #include <linux/delay.h>
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| #include <linux/io.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	(SC_BASE_ADDR | 0x1400)	/* CPU/ARM */
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| #define SC_SPLLCTRL	(SC_BASE_ADDR | 0x1410)	/* misc */
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| #define SC_MPLLCTRL	(SC_BASE_ADDR | 0x1430)	/* DSP */
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| #define SC_VSPLLCTRL	(SC_BASE_ADDR | 0x1440)	/* Video codec, VPE etc. */
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| #define SC_DPLLCTRL	(SC_BASE_ADDR | 0x1460)	/* DDR memory */
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| 
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| /* PLL type: VPLL27 */
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| #define SC_VPLL27FCTRL	(SC_BASE_ADDR | 0x1500)
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| #define SC_VPLL27ACTRL	(SC_BASE_ADDR | 0x1520)
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| 
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| void uniphier_ld11_pll_init(void)
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| {
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| 	uniphier_ld20_sscpll_init(SC_CPLLCTRL, 1960, 1, 2);	/* 2000MHz -> 1960MHz */
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| 	/* do nothing for SPLL */
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| 	uniphier_ld20_sscpll_init(SC_MPLLCTRL, 1600, 1, 2);	/* 1500MHz -> 1600MHz */
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| 	uniphier_ld20_sscpll_init(SC_VSPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
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| 
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| 	uniphier_ld20_sscpll_set_regi(SC_MPLLCTRL, 5);
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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_MPLLCTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_VSPLLCTRL);
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| 	uniphier_ld20_sscpll_ssc_en(SC_DPLLCTRL);
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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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| 	writel(0, SC_CA53_GEARSET);	/* Gear0: CPLL/2 */
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| 	writel(SC_CA_GEARUPD, SC_CA53_GEARUPD);
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| }
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