Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2016 Socionext Inc. |
| 4 | * Author: Masahiro Yamada <yamada.masahiro@socionext.com> |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 5 | */ |
| 6 | |
Masahiro Yamada | 546197b | 2017-08-26 17:57:58 +0900 | [diff] [blame] | 7 | #include <linux/delay.h> |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 8 | |
| 9 | #include "../init.h" |
| 10 | #include "../sc64-regs.h" |
| 11 | #include "pll.h" |
| 12 | |
Masahiro Yamada | a55957b | 2017-08-26 17:57:59 +0900 | [diff] [blame] | 13 | /* PLL type: SSC */ |
Masahiro Yamada | 739ba41 | 2019-07-10 20:07:41 +0900 | [diff] [blame] | 14 | #define SC_CPLLCTRL 0x1400 /* CPU/ARM */ |
| 15 | #define SC_SPLLCTRL 0x1410 /* misc */ |
| 16 | #define SC_SPLL2CTRL 0x1420 /* DSP */ |
| 17 | #define SC_MPLLCTRL 0x1430 /* Video codec */ |
| 18 | #define SC_VPPLLCTRL 0x1440 /* VPE etc. */ |
| 19 | #define SC_GPPLLCTRL 0x1450 /* GPU/Mali */ |
| 20 | #define SC_DPLL0CTRL 0x1460 /* DDR memory 0 */ |
| 21 | #define SC_DPLL1CTRL 0x1470 /* DDR memory 1 */ |
| 22 | #define SC_DPLL2CTRL 0x1480 /* DDR memory 2 */ |
Masahiro Yamada | a55957b | 2017-08-26 17:57:59 +0900 | [diff] [blame] | 23 | |
| 24 | /* PLL type: VPLL27 */ |
Masahiro Yamada | 739ba41 | 2019-07-10 20:07:41 +0900 | [diff] [blame] | 25 | #define SC_VPLL27FCTRL 0x1500 |
| 26 | #define SC_VPLL27ACTRL 0x1520 |
Masahiro Yamada | a55957b | 2017-08-26 17:57:59 +0900 | [diff] [blame] | 27 | |
| 28 | /* PLL type: DSPLL */ |
Masahiro Yamada | 739ba41 | 2019-07-10 20:07:41 +0900 | [diff] [blame] | 29 | #define SC_VPLL8KCTRL 0x1540 |
| 30 | #define SC_A2PLLCTRL 0x15C0 |
Masahiro Yamada | a55957b | 2017-08-26 17:57:59 +0900 | [diff] [blame] | 31 | |
Masahiro Yamada | a314a24 | 2017-01-15 14:59:02 +0900 | [diff] [blame] | 32 | void uniphier_ld20_pll_init(void) |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 33 | { |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 34 | uniphier_ld20_sscpll_init(SC_CPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4); |
| 35 | /* do nothing for SPLL */ |
| 36 | uniphier_ld20_sscpll_init(SC_SPLL2CTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4); |
| 37 | uniphier_ld20_sscpll_init(SC_MPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2); |
| 38 | uniphier_ld20_sscpll_init(SC_VPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 4); |
| 39 | uniphier_ld20_sscpll_init(SC_GPPLLCTRL, UNIPHIER_PLL_FREQ_DEFAULT, 0, 2); |
| 40 | |
| 41 | mdelay(1); |
| 42 | |
Masahiro Yamada | 2953262 | 2016-10-27 23:47:00 +0900 | [diff] [blame] | 43 | uniphier_ld20_sscpll_ssc_en(SC_CPLLCTRL); |
| 44 | uniphier_ld20_sscpll_ssc_en(SC_SPLL2CTRL); |
| 45 | uniphier_ld20_sscpll_ssc_en(SC_MPLLCTRL); |
| 46 | uniphier_ld20_sscpll_ssc_en(SC_VPPLLCTRL); |
| 47 | uniphier_ld20_sscpll_ssc_en(SC_GPPLLCTRL); |
| 48 | uniphier_ld20_sscpll_ssc_en(SC_DPLL0CTRL); |
| 49 | uniphier_ld20_sscpll_ssc_en(SC_DPLL1CTRL); |
| 50 | uniphier_ld20_sscpll_ssc_en(SC_DPLL2CTRL); |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 51 | |
| 52 | uniphier_ld20_vpll27_init(SC_VPLL27FCTRL); |
| 53 | uniphier_ld20_vpll27_init(SC_VPLL27ACTRL); |
| 54 | |
| 55 | uniphier_ld20_dspll_init(SC_VPLL8KCTRL); |
| 56 | uniphier_ld20_dspll_init(SC_A2PLLCTRL); |
Masahiro Yamada | 682e09f | 2016-09-17 03:33:11 +0900 | [diff] [blame] | 57 | } |