1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * K2E EVM : Board initialization
4 *
5 * (C) Copyright 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/ddr3.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/ti-common/keystone_net.h>
15
get_external_clk(u32 clk)16 unsigned int get_external_clk(u32 clk)
17 {
18 unsigned int clk_freq;
19
20 switch (clk) {
21 case sys_clk:
22 clk_freq = 100000000;
23 break;
24 case alt_core_clk:
25 clk_freq = 100000000;
26 break;
27 case pa_clk:
28 clk_freq = 100000000;
29 break;
30 case ddr3a_clk:
31 clk_freq = 100000000;
32 break;
33 default:
34 clk_freq = 0;
35 break;
36 }
37
38 return clk_freq;
39 }
40
41 static struct pll_init_data core_pll_config[NUM_SPDS] = {
42 [SPD800] = CORE_PLL_800,
43 [SPD850] = CORE_PLL_850,
44 [SPD1000] = CORE_PLL_1000,
45 [SPD1250] = CORE_PLL_1250,
46 [SPD1350] = CORE_PLL_1350,
47 [SPD1400] = CORE_PLL_1400,
48 [SPD1500] = CORE_PLL_1500,
49 };
50
51 /* DEV and ARM speed definitions as specified in DEVSPEED register */
52 int speeds[DEVSPEED_NUMSPDS] = {
53 SPD850,
54 SPD1000,
55 SPD1250,
56 SPD1350,
57 SPD1400,
58 SPD1500,
59 SPD1400,
60 SPD1350,
61 SPD1250,
62 SPD1000,
63 SPD850,
64 SPD800,
65 };
66
67 s16 divn_val[16] = {
68 0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
69 };
70
71 static struct pll_init_data pa_pll_config =
72 PASS_PLL_1000;
73
get_pll_init_data(int pll)74 struct pll_init_data *get_pll_init_data(int pll)
75 {
76 int speed;
77 struct pll_init_data *data;
78
79 switch (pll) {
80 case MAIN_PLL:
81 speed = get_max_dev_speed(speeds);
82 data = &core_pll_config[speed];
83 break;
84 case PASS_PLL:
85 data = &pa_pll_config;
86 break;
87 default:
88 data = NULL;
89 }
90
91 return data;
92 }
93
94 #if defined(CONFIG_MULTI_DTB_FIT)
board_fit_config_name_match(const char * name)95 int board_fit_config_name_match(const char *name)
96 {
97 if (!strcmp(name, "keystone-k2e-evm"))
98 return 0;
99
100 return -1;
101 }
102 #endif
103
104 #if defined(CONFIG_BOARD_EARLY_INIT_F)
board_early_init_f(void)105 int board_early_init_f(void)
106 {
107 init_plls();
108
109 return 0;
110 }
111 #endif
112
113 #ifdef CONFIG_SPL_BUILD
spl_init_keystone_plls(void)114 void spl_init_keystone_plls(void)
115 {
116 init_plls();
117 }
118 #endif
119