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Masahiro Yamada133b1262017-01-21 18:05:31 +09001/*
Masahiro Yamada616933d92017-08-26 17:58:00 +09002 * Copyright (C) 2017 Socionext Inc.
3 *
Masahiro Yamada133b1262017-01-21 18:05:31 +09004 * SPDX-License-Identifier: GPL-2.0+
5 */
6
Masahiro Yamada616933d92017-08-26 17:58:00 +09007#include <linux/delay.h>
8
Masahiro Yamada5e05c4d2017-06-22 16:42:04 +09009#include "../init.h"
Masahiro Yamada616933d92017-08-26 17:58:00 +090010#include "../sc64-regs.h"
11#include "pll.h"
12
13/* 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_SPLL2CTRL (SC_BASE_ADDR | 0x1420) /* DSP */
17#define SC_VPPLLCTRL (SC_BASE_ADDR | 0x1430) /* VPE */
18#define SC_VGPLLCTRL (SC_BASE_ADDR | 0x1440)
19#define SC_DECPLLCTRL (SC_BASE_ADDR | 0x1450)
20#define SC_ENCPLLCTRL (SC_BASE_ADDR | 0x1460)
21#define SC_PXFPLLCTRL (SC_BASE_ADDR | 0x1470)
22#define SC_DPLL0CTRL (SC_BASE_ADDR | 0x1480) /* DDR memory 0 */
23#define SC_DPLL1CTRL (SC_BASE_ADDR | 0x1490) /* DDR memory 1 */
24#define SC_DPLL2CTRL (SC_BASE_ADDR | 0x14a0) /* DDR memory 2 */
25#define SC_VSPLLCTRL (SC_BASE_ADDR | 0x14c0)
26
27/* PLL type: VPLL27 */
28#define SC_VPLL27FCTRL (SC_BASE_ADDR | 0x1500)
29#define SC_VPLL27ACTRL (SC_BASE_ADDR | 0x1520)
30
31/* PLL type: DSPLL */
32#define SC_VPLL8KCTRL (SC_BASE_ADDR | 0x1540)
Masahiro Yamada5e05c4d2017-06-22 16:42:04 +090033
Masahiro Yamada133b1262017-01-21 18:05:31 +090034void uniphier_pxs3_pll_init(void)
35{
Masahiro Yamada616933d92017-08-26 17:58:00 +090036 uniphier_ld20_sscpll_init(SC_CPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
37 /* do nothing for SPLL */
38 uniphier_ld20_sscpll_init(SC_SPLL2CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
39 uniphier_ld20_sscpll_init(SC_VPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
40 uniphier_ld20_sscpll_init(SC_VGPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
41 uniphier_ld20_sscpll_init(SC_DECPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
42 uniphier_ld20_sscpll_init(SC_ENCPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4);
43 uniphier_ld20_sscpll_init(SC_PXFPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
44 uniphier_ld20_sscpll_init(SC_VSPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2);
45
46 mdelay(1);
47
48 uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL);
49 uniphier_ld20_sscpll_ssc_en(SC_SPLL2CTRL);
50 uniphier_ld20_sscpll_ssc_en(SC_VPPLLCTRL);
51 uniphier_ld20_sscpll_ssc_en(SC_VGPLLCTRL);
52 uniphier_ld20_sscpll_ssc_en(SC_DECPLLCTRL);
53 uniphier_ld20_sscpll_ssc_en(SC_ENCPLLCTRL);
54 uniphier_ld20_sscpll_ssc_en(SC_PXFPLLCTRL);
55 uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL);
56 uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL);
57 uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL);
58 uniphier_ld20_sscpll_ssc_en(SC_VSPLLCTRL);
59
60 uniphier_ld20_vpll27_init(SC_VPLL27FCTRL);
61 uniphier_ld20_vpll27_init(SC_VPLL27ACTRL);
62
63 uniphier_ld20_dspll_init(SC_VPLL8KCTRL);
Masahiro Yamada133b1262017-01-21 18:05:31 +090064}