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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Masahiro Yamadac72f4d42016-09-22 07:42:19 +09002/*
3 * Copyright (C) 2016 Socionext Inc.
Masahiro Yamadac72f4d42016-09-22 07:42:19 +09004 */
5
Masahiro Yamada546197b2017-08-26 17:57:58 +09006#include <linux/delay.h>
Masahiro Yamadac72f4d42016-09-22 07:42:19 +09007#include <linux/io.h>
8
9#include "../init.h"
10#include "../sc64-regs.h"
11#include "pll.h"
12
Masahiro Yamadaa55957b2017-08-26 17:57:59 +090013/* PLL type: SSC */
14#define SC_CPLLCTRL (SC_BASE_ADDR | 0x1400) /* CPU/ARM */
15#define SC_SPLLCTRL (SC_BASE_ADDR | 0x1410) /* misc */
16#define SC_MPLLCTRL (SC_BASE_ADDR | 0x1430) /* DSP */
17#define SC_VSPLLCTRL (SC_BASE_ADDR | 0x1440) /* Video codec, VPE etc. */
18#define SC_DPLLCTRL (SC_BASE_ADDR | 0x1460) /* DDR memory */
19
20/* PLL type: VPLL27 */
21#define SC_VPLL27FCTRL (SC_BASE_ADDR | 0x1500)
22#define SC_VPLL27ACTRL (SC_BASE_ADDR | 0x1520)
23
Masahiro Yamadac72f4d42016-09-22 07:42:19 +090024void uniphier_ld11_pll_init(void)
25{
26 uniphier_ld20_sscpll_init(SC_CPLLCTRL, 1960, 1, 2); /* 2000MHz -> 1960MHz */
27 /* do nothing for SPLL */
28 uniphier_ld20_sscpll_init(SC_MPLLCTRL, 1600, 1, 2); /* 1500MHz -> 1600MHz */
29 uniphier_ld20_sscpll_init(SC_VSPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
30
Masahiro Yamadabc647952017-02-21 23:00:35 +090031 uniphier_ld20_sscpll_set_regi(SC_MPLLCTRL, 5);
32
Masahiro Yamadac72f4d42016-09-22 07:42:19 +090033 mdelay(1);
34
35 uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL);
36 uniphier_ld20_sscpll_ssc_en(SC_MPLLCTRL);
37 uniphier_ld20_sscpll_ssc_en(SC_VSPLLCTRL);
Masahiro Yamada6c227422016-10-08 13:25:23 +090038 uniphier_ld20_sscpll_ssc_en(SC_DPLLCTRL);
Masahiro Yamadac72f4d42016-09-22 07:42:19 +090039
40 uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
41 uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
42
43 writel(0, SC_CA53_GEARSET); /* Gear0: CPLL/2 */
44 writel(SC_CA_GEARUPD, SC_CA53_GEARUPD);
45}