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 <image.h>
11 #include <init.h>
12 #include <asm/arch/clock.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/ti-common/keystone_net.h>
15
16 unsigned int external_clk[ext_clk_count] = {
17 [sys_clk] = 122880000,
18 [alt_core_clk] = 125000000,
19 [pa_clk] = 122880000,
20 [tetris_clk] = 125000000,
21 [ddr3a_clk] = 100000000,
22 [ddr3b_clk] = 100000000,
23 };
24
get_external_clk(u32 clk)25 unsigned int get_external_clk(u32 clk)
26 {
27 unsigned int clk_freq;
28
29 switch (clk) {
30 case sys_clk:
31 clk_freq = 122880000;
32 break;
33 case alt_core_clk:
34 clk_freq = 125000000;
35 break;
36 case pa_clk:
37 clk_freq = 122880000;
38 break;
39 case tetris_clk:
40 clk_freq = 125000000;
41 break;
42 case ddr3a_clk:
43 clk_freq = 100000000;
44 break;
45 case ddr3b_clk:
46 clk_freq = 100000000;
47 break;
48 default:
49 clk_freq = 0;
50 break;
51 }
52
53 return clk_freq;
54 }
55
56 static struct pll_init_data core_pll_config[NUM_SPDS] = {
57 [SPD800] = CORE_PLL_799,
58 [SPD1000] = CORE_PLL_999,
59 [SPD1200] = CORE_PLL_1200,
60 };
61
62 s16 divn_val[16] = {
63 0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
64 };
65
66 static struct pll_init_data tetris_pll_config[] = {
67 [SPD800] = TETRIS_PLL_800,
68 [SPD1000] = TETRIS_PLL_1000,
69 [SPD1200] = TETRIS_PLL_1200,
70 [SPD1350] = TETRIS_PLL_1350,
71 [SPD1400] = TETRIS_PLL_1400,
72 };
73
74 static struct pll_init_data pa_pll_config =
75 PASS_PLL_983;
76
get_pll_init_data(int pll)77 struct pll_init_data *get_pll_init_data(int pll)
78 {
79 int speed;
80 struct pll_init_data *data;
81
82 switch (pll) {
83 case MAIN_PLL:
84 speed = get_max_dev_speed(speeds);
85 data = &core_pll_config[speed];
86 break;
87 case TETRIS_PLL:
88 speed = get_max_arm_speed(speeds);
89 data = &tetris_pll_config[speed];
90 break;
91 case PASS_PLL:
92 data = &pa_pll_config;
93 break;
94 default:
95 data = NULL;
96 }
97
98 return data;
99 }
100
101 #ifdef CONFIG_BOARD_EARLY_INIT_F
board_early_init_f(void)102 int board_early_init_f(void)
103 {
104 init_plls();
105
106 return 0;
107 }
108 #endif
109
110 #if defined(CONFIG_MULTI_DTB_FIT)
board_fit_config_name_match(const char * name)111 int board_fit_config_name_match(const char *name)
112 {
113 if (!strcmp(name, "keystone-k2hk-evm"))
114 return 0;
115
116 return -1;
117 }
118 #endif
119
120 #ifdef CONFIG_SPL_BUILD
spl_init_keystone_plls(void)121 void spl_init_keystone_plls(void)
122 {
123 init_plls();
124 }
125 #endif
126