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