58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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// 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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#include <linux/delay.h>
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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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/* 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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/* PLL type: VPLL27 */
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#define SC_VPLL27FCTRL 0x1500
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#define SC_VPLL27ACTRL 0x1520
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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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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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mdelay(1);
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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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uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
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uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
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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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