xref: /openbmc/u-boot/board/ti/ks2_evm/board_k2l.c (revision d0dd7397)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * K2L 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 
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 = 122880000;
21 		break;
22 	case alt_core_clk:
23 		clk_freq = 100000000;
24 		break;
25 	case pa_clk:
26 		clk_freq = 122880000;
27 		break;
28 	case tetris_clk:
29 		clk_freq = 122880000;
30 		break;
31 	case ddr3a_clk:
32 		clk_freq = 100000000;
33 		break;
34 	default:
35 		clk_freq = 0;
36 		break;
37 	}
38 
39 	return clk_freq;
40 }
41 
42 static struct pll_init_data core_pll_config[NUM_SPDS] = {
43 	[SPD800]	= CORE_PLL_799,
44 	[SPD1000]	= CORE_PLL_1000,
45 	[SPD1200]	= CORE_PLL_1198,
46 };
47 
48 s16 divn_val[16] = {
49 	0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
50 };
51 
52 static struct pll_init_data tetris_pll_config[] = {
53 	[SPD800]	= TETRIS_PLL_799,
54 	[SPD1000]	= TETRIS_PLL_1000,
55 	[SPD1200]	= TETRIS_PLL_1198,
56 	[SPD1350]	= TETRIS_PLL_1352,
57 	[SPD1400]	= TETRIS_PLL_1401,
58 };
59 
60 static struct pll_init_data pa_pll_config =
61 	PASS_PLL_983;
62 
63 struct pll_init_data *get_pll_init_data(int pll)
64 {
65 	int speed;
66 	struct pll_init_data *data;
67 
68 	switch (pll) {
69 	case MAIN_PLL:
70 		speed = get_max_dev_speed(speeds);
71 		data = &core_pll_config[speed];
72 		break;
73 	case TETRIS_PLL:
74 		speed = get_max_arm_speed(speeds);
75 		data = &tetris_pll_config[speed];
76 		break;
77 	case PASS_PLL:
78 		data = &pa_pll_config;
79 		break;
80 	default:
81 		data = NULL;
82 	}
83 
84 	return data;
85 }
86 
87 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
88 struct eth_priv_t eth_priv_cfg[] = {
89 	{
90 		.int_name        = "K2L_EMAC",
91 		.rx_flow         = 0,
92 		.phy_addr        = 0,
93 		.slave_port      = 1,
94 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
95 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
96 	},
97 	{
98 		.int_name        = "K2L_EMAC1",
99 		.rx_flow         = 8,
100 		.phy_addr        = 1,
101 		.slave_port      = 2,
102 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
103 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
104 	},
105 	{
106 		.int_name        = "K2L_EMAC2",
107 		.rx_flow         = 16,
108 		.phy_addr        = 2,
109 		.slave_port      = 3,
110 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
111 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
112 	},
113 	{
114 		.int_name        = "K2L_EMAC3",
115 		.rx_flow         = 32,
116 		.phy_addr        = 3,
117 		.slave_port      = 4,
118 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
119 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
120 	},
121 };
122 
123 int get_num_eth_ports(void)
124 {
125 	return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
126 }
127 #endif
128 
129 #ifdef CONFIG_BOARD_EARLY_INIT_F
130 int board_early_init_f(void)
131 {
132 	init_plls();
133 
134 	return 0;
135 }
136 #endif
137 
138 #if defined(CONFIG_MULTI_DTB_FIT)
139 int board_fit_config_name_match(const char *name)
140 {
141 	if (!strcmp(name, "keystone-k2l-evm"))
142 		return 0;
143 
144 	return -1;
145 }
146 #endif
147 
148 #ifdef CONFIG_SPL_BUILD
149 void spl_init_keystone_plls(void)
150 {
151 	init_plls();
152 }
153 #endif
154