xref: /openbmc/u-boot/board/ti/ks2_evm/board_k2hk.c (revision fbe44dd1)
1 /*
2  * K2HK EVM : Board initialization
3  *
4  * (C) Copyright 2012-2014
5  *     Texas Instruments Incorporated, <www.ti.com>
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/hardware.h>
13 #include <asm/ti-common/keystone_net.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 unsigned int external_clk[ext_clk_count] = {
18 	[sys_clk]	=	122880000,
19 	[alt_core_clk]	=	125000000,
20 	[pa_clk]	=	122880000,
21 	[tetris_clk]	=	125000000,
22 	[ddr3a_clk]	=	100000000,
23 	[ddr3b_clk]	=	100000000,
24 };
25 
26 unsigned int get_external_clk(u32 clk)
27 {
28 	unsigned int clk_freq;
29 
30 	switch (clk) {
31 	case sys_clk:
32 		clk_freq = 122880000;
33 		break;
34 	case alt_core_clk:
35 		clk_freq = 125000000;
36 		break;
37 	case pa_clk:
38 		clk_freq = 122880000;
39 		break;
40 	case tetris_clk:
41 		clk_freq = 125000000;
42 		break;
43 	case ddr3a_clk:
44 		clk_freq = 100000000;
45 		break;
46 	case ddr3b_clk:
47 		clk_freq = 100000000;
48 		break;
49 	default:
50 		clk_freq = 0;
51 		break;
52 	}
53 
54 	return clk_freq;
55 }
56 
57 static struct pll_init_data core_pll_config[NUM_SPDS] = {
58 	[SPD800]	= CORE_PLL_799,
59 	[SPD1000]	= CORE_PLL_999,
60 	[SPD1200]	= CORE_PLL_1200,
61 };
62 
63 s16 divn_val[16] = {
64 	0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
65 };
66 
67 static struct pll_init_data tetris_pll_config[] = {
68 	[SPD800]	= TETRIS_PLL_800,
69 	[SPD1000]	= TETRIS_PLL_1000,
70 	[SPD1200]	= TETRIS_PLL_1200,
71 	[SPD1350]	= TETRIS_PLL_1350,
72 	[SPD1400]	= TETRIS_PLL_1400,
73 };
74 
75 static struct pll_init_data pa_pll_config =
76 	PASS_PLL_983;
77 
78 struct pll_init_data *get_pll_init_data(int pll)
79 {
80 	int speed;
81 	struct pll_init_data *data;
82 
83 	switch (pll) {
84 	case MAIN_PLL:
85 		speed = get_max_dev_speed(speeds);
86 		data = &core_pll_config[speed];
87 		break;
88 	case TETRIS_PLL:
89 		speed = get_max_arm_speed(speeds);
90 		data = &tetris_pll_config[speed];
91 		break;
92 	case PASS_PLL:
93 		data = &pa_pll_config;
94 		break;
95 	default:
96 		data = NULL;
97 	}
98 
99 	return data;
100 }
101 
102 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
103 struct eth_priv_t eth_priv_cfg[] = {
104 	{
105 		.int_name	= "K2HK_EMAC",
106 		.rx_flow	= 22,
107 		.phy_addr	= 0,
108 		.slave_port	= 1,
109 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
110 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
111 	},
112 	{
113 		.int_name	= "K2HK_EMAC1",
114 		.rx_flow	= 23,
115 		.phy_addr	= 1,
116 		.slave_port	= 2,
117 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
118 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
119 	},
120 	{
121 		.int_name	= "K2HK_EMAC2",
122 		.rx_flow	= 24,
123 		.phy_addr	= 2,
124 		.slave_port	= 3,
125 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
126 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
127 	},
128 	{
129 		.int_name	= "K2HK_EMAC3",
130 		.rx_flow	= 25,
131 		.phy_addr	= 3,
132 		.slave_port	= 4,
133 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
134 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
135 	},
136 };
137 
138 int get_num_eth_ports(void)
139 {
140 	return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
141 }
142 #endif
143 
144 #ifdef CONFIG_BOARD_EARLY_INIT_F
145 int board_early_init_f(void)
146 {
147 	init_plls();
148 
149 	return 0;
150 }
151 #endif
152 
153 #ifdef CONFIG_SPL_BUILD
154 void spl_init_keystone_plls(void)
155 {
156 	init_plls();
157 }
158 #endif
159