1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * K2HK EVM : Board initialization
4 *
5 * (C) Copyright 2012-2014
6 * Texas Instruments Incorporated, <www.ti.com>
7 */
8
9 #include <common.h>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/hardware.h>
12 #include <asm/ti-common/keystone_net.h>
13
14 unsigned int external_clk[ext_clk_count] = {
15 [sys_clk] = 122880000,
16 [alt_core_clk] = 125000000,
17 [pa_clk] = 122880000,
18 [tetris_clk] = 125000000,
19 [ddr3a_clk] = 100000000,
20 [ddr3b_clk] = 100000000,
21 };
22
get_external_clk(u32 clk)23 unsigned int get_external_clk(u32 clk)
24 {
25 unsigned int clk_freq;
26
27 switch (clk) {
28 case sys_clk:
29 clk_freq = 122880000;
30 break;
31 case alt_core_clk:
32 clk_freq = 125000000;
33 break;
34 case pa_clk:
35 clk_freq = 122880000;
36 break;
37 case tetris_clk:
38 clk_freq = 125000000;
39 break;
40 case ddr3a_clk:
41 clk_freq = 100000000;
42 break;
43 case ddr3b_clk:
44 clk_freq = 100000000;
45 break;
46 default:
47 clk_freq = 0;
48 break;
49 }
50
51 return clk_freq;
52 }
53
54 static struct pll_init_data core_pll_config[NUM_SPDS] = {
55 [SPD800] = CORE_PLL_799,
56 [SPD1000] = CORE_PLL_999,
57 [SPD1200] = CORE_PLL_1200,
58 };
59
60 s16 divn_val[16] = {
61 0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
62 };
63
64 static struct pll_init_data tetris_pll_config[] = {
65 [SPD800] = TETRIS_PLL_800,
66 [SPD1000] = TETRIS_PLL_1000,
67 [SPD1200] = TETRIS_PLL_1200,
68 [SPD1350] = TETRIS_PLL_1350,
69 [SPD1400] = TETRIS_PLL_1400,
70 };
71
72 static struct pll_init_data pa_pll_config =
73 PASS_PLL_983;
74
get_pll_init_data(int pll)75 struct pll_init_data *get_pll_init_data(int pll)
76 {
77 int speed;
78 struct pll_init_data *data;
79
80 switch (pll) {
81 case MAIN_PLL:
82 speed = get_max_dev_speed(speeds);
83 data = &core_pll_config[speed];
84 break;
85 case TETRIS_PLL:
86 speed = get_max_arm_speed(speeds);
87 data = &tetris_pll_config[speed];
88 break;
89 case PASS_PLL:
90 data = &pa_pll_config;
91 break;
92 default:
93 data = NULL;
94 }
95
96 return data;
97 }
98
99 #ifdef CONFIG_BOARD_EARLY_INIT_F
board_early_init_f(void)100 int board_early_init_f(void)
101 {
102 init_plls();
103
104 return 0;
105 }
106 #endif
107
108 #if defined(CONFIG_MULTI_DTB_FIT)
board_fit_config_name_match(const char * name)109 int board_fit_config_name_match(const char *name)
110 {
111 if (!strcmp(name, "keystone-k2hk-evm"))
112 return 0;
113
114 return -1;
115 }
116 #endif
117
118 #ifdef CONFIG_SPL_BUILD
spl_init_keystone_plls(void)119 void spl_init_keystone_plls(void)
120 {
121 init_plls();
122 }
123 #endif
124