xref: /openbmc/u-boot/board/ti/ks2_evm/board_k2l.c (revision fe9ee579)
1 /*
2  * K2L EVM : Board initialization
3  *
4  * (C) Copyright 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/ddr3.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 get_external_clk(u32 clk)
18 {
19 	unsigned int clk_freq;
20 
21 	switch (clk) {
22 	case sys_clk:
23 		clk_freq = 122880000;
24 		break;
25 	case alt_core_clk:
26 		clk_freq = 100000000;
27 		break;
28 	case pa_clk:
29 		clk_freq = 122880000;
30 		break;
31 	case tetris_clk:
32 		clk_freq = 122880000;
33 		break;
34 	case ddr3a_clk:
35 		clk_freq = 100000000;
36 		break;
37 	default:
38 		clk_freq = 0;
39 		break;
40 	}
41 
42 	return clk_freq;
43 }
44 
45 static struct pll_init_data core_pll_config[NUM_SPDS] = {
46 	[SPD800]	= CORE_PLL_799,
47 	[SPD1000]	= CORE_PLL_1000,
48 	[SPD1200]	= CORE_PLL_1198,
49 };
50 
51 s16 divn_val[16] = {
52 	0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
53 };
54 
55 static struct pll_init_data tetris_pll_config[] = {
56 	[SPD800]	= TETRIS_PLL_799,
57 	[SPD1000]	= TETRIS_PLL_1000,
58 	[SPD1200]	= TETRIS_PLL_1198,
59 	[SPD1350]	= TETRIS_PLL_1352,
60 	[SPD1400]	= TETRIS_PLL_1401,
61 };
62 
63 static struct pll_init_data pa_pll_config =
64 	PASS_PLL_983;
65 
66 struct pll_init_data *get_pll_init_data(int pll)
67 {
68 	int speed;
69 	struct pll_init_data *data;
70 
71 	switch (pll) {
72 	case MAIN_PLL:
73 		speed = get_max_dev_speed(speeds);
74 		data = &core_pll_config[speed];
75 		break;
76 	case TETRIS_PLL:
77 		speed = get_max_arm_speed(speeds);
78 		data = &tetris_pll_config[speed];
79 		break;
80 	case PASS_PLL:
81 		data = &pa_pll_config;
82 		break;
83 	default:
84 		data = NULL;
85 	}
86 
87 	return data;
88 }
89 
90 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
91 struct eth_priv_t eth_priv_cfg[] = {
92 	{
93 		.int_name        = "K2L_EMAC",
94 		.rx_flow         = 0,
95 		.phy_addr        = 0,
96 		.slave_port      = 1,
97 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
98 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
99 	},
100 	{
101 		.int_name        = "K2L_EMAC1",
102 		.rx_flow         = 8,
103 		.phy_addr        = 1,
104 		.slave_port      = 2,
105 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
106 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
107 	},
108 	{
109 		.int_name        = "K2L_EMAC2",
110 		.rx_flow         = 16,
111 		.phy_addr        = 2,
112 		.slave_port      = 3,
113 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
114 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
115 	},
116 	{
117 		.int_name        = "K2L_EMAC3",
118 		.rx_flow         = 32,
119 		.phy_addr        = 3,
120 		.slave_port      = 4,
121 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
122 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
123 	},
124 };
125 
126 int get_num_eth_ports(void)
127 {
128 	return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
129 }
130 #endif
131 
132 #ifdef CONFIG_BOARD_EARLY_INIT_F
133 int board_early_init_f(void)
134 {
135 	init_plls();
136 
137 	return 0;
138 }
139 #endif
140 
141 #ifdef CONFIG_SPL_BUILD
142 void spl_init_keystone_plls(void)
143 {
144 	init_plls();
145 }
146 #endif
147