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Masahiro Yamada090785d2016-09-22 07:42:19 +09001/*
2 * Copyright (C) 2016 Socionext Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
Masahiro Yamada00bfa7b2017-08-26 17:57:58 +09007#include <linux/delay.h>
Masahiro Yamada090785d2016-09-22 07:42:19 +09008#include <linux/io.h>
9
10#include "../init.h"
11#include "../sc64-regs.h"
12#include "pll.h"
13
Masahiro Yamada629965a2017-08-26 17:57:59 +090014/* PLL type: SSC */
15#define SC_CPLLCTRL (SC_BASE_ADDR | 0x1400) /* CPU/ARM */
16#define SC_SPLLCTRL (SC_BASE_ADDR | 0x1410) /* misc */
17#define SC_MPLLCTRL (SC_BASE_ADDR | 0x1430) /* DSP */
18#define SC_VSPLLCTRL (SC_BASE_ADDR | 0x1440) /* Video codec, VPE etc. */
19#define SC_DPLLCTRL (SC_BASE_ADDR | 0x1460) /* DDR memory */
20
21/* PLL type: VPLL27 */
22#define SC_VPLL27FCTRL (SC_BASE_ADDR | 0x1500)
23#define SC_VPLL27ACTRL (SC_BASE_ADDR | 0x1520)
24
Masahiro Yamada090785d2016-09-22 07:42:19 +090025void uniphier_ld11_pll_init(void)
26{
27 uniphier_ld20_sscpll_init(SC_CPLLCTRL, 1960, 1, 2); /* 2000MHz -> 1960MHz */
28 /* do nothing for SPLL */
29 uniphier_ld20_sscpll_init(SC_MPLLCTRL, 1600, 1, 2); /* 1500MHz -> 1600MHz */
30 uniphier_ld20_sscpll_init(SC_VSPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
31
Masahiro Yamadaf366d382017-02-21 23:00:35 +090032 uniphier_ld20_sscpll_set_regi(SC_MPLLCTRL, 5);
33
Masahiro Yamada090785d2016-09-22 07:42:19 +090034 mdelay(1);
35
36 uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL);
37 uniphier_ld20_sscpll_ssc_en(SC_MPLLCTRL);
38 uniphier_ld20_sscpll_ssc_en(SC_VSPLLCTRL);
Masahiro Yamada0335cce2016-10-08 13:25:23 +090039 uniphier_ld20_sscpll_ssc_en(SC_DPLLCTRL);
Masahiro Yamada090785d2016-09-22 07:42:19 +090040
41 uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
42 uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
43
44 writel(0, SC_CA53_GEARSET); /* Gear0: CPLL/2 */
45 writel(SC_CA_GEARUPD, SC_CA53_GEARUPD);
46}