xref: /openbmc/u-boot/board/ti/ks2_evm/board_k2e.c (revision baefb63a)
1 /*
2  * K2E 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 = 100000000;
24 		break;
25 	case alt_core_clk:
26 		clk_freq = 100000000;
27 		break;
28 	case pa_clk:
29 		clk_freq = 100000000;
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_800,
44 	[SPD850]	= CORE_PLL_850,
45 	[SPD1000]	= CORE_PLL_1000,
46 	[SPD1250]	= CORE_PLL_1250,
47 	[SPD1350]	= CORE_PLL_1350,
48 	[SPD1400]	= CORE_PLL_1400,
49 	[SPD1500]	= CORE_PLL_1500,
50 };
51 
52 /* DEV and ARM speed definitions as specified in DEVSPEED register */
53 int speeds[DEVSPEED_NUMSPDS] = {
54 	SPD850,
55 	SPD1000,
56 	SPD1250,
57 	SPD1350,
58 	SPD1400,
59 	SPD1500,
60 	SPD1400,
61 	SPD1350,
62 	SPD1250,
63 	SPD1000,
64 	SPD850,
65 	SPD800,
66 };
67 
68 s16 divn_val[16] = {
69 	0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
70 };
71 
72 static struct pll_init_data pa_pll_config =
73 	PASS_PLL_1000;
74 
75 struct pll_init_data *get_pll_init_data(int pll)
76 {
77 	int speed;
78 	struct pll_init_data *data;
79 
80 	switch (pll) {
81 	case MAIN_PLL:
82 		speed = get_max_dev_speed(speeds);
83 		data = &core_pll_config[speed];
84 		break;
85 	case PASS_PLL:
86 		data = &pa_pll_config;
87 		break;
88 	default:
89 		data = NULL;
90 	}
91 
92 	return data;
93 }
94 
95 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
96 struct eth_priv_t eth_priv_cfg[] = {
97 	{
98 		.int_name        = "K2E_EMAC0",
99 		.rx_flow         = 0,
100 		.phy_addr        = 0,
101 		.slave_port      = 1,
102 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
103 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
104 	},
105 	{
106 		.int_name        = "K2E_EMAC1",
107 		.rx_flow         = 8,
108 		.phy_addr        = 1,
109 		.slave_port      = 2,
110 		.sgmii_link_type = SGMII_LINK_MAC_PHY,
111 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
112 	},
113 	{
114 		.int_name        = "K2E_EMAC2",
115 		.rx_flow         = 16,
116 		.phy_addr        = 2,
117 		.slave_port      = 3,
118 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
119 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
120 	},
121 	{
122 		.int_name        = "K2E_EMAC3",
123 		.rx_flow         = 24,
124 		.phy_addr        = 3,
125 		.slave_port      = 4,
126 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
127 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
128 	},
129 	{
130 		.int_name        = "K2E_EMAC4",
131 		.rx_flow         = 32,
132 		.phy_addr        = 4,
133 		.slave_port      = 5,
134 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
135 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
136 	},
137 	{
138 		.int_name        = "K2E_EMAC5",
139 		.rx_flow         = 40,
140 		.phy_addr        = 5,
141 		.slave_port      = 6,
142 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
143 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
144 	},
145 	{
146 		.int_name        = "K2E_EMAC6",
147 		.rx_flow         = 48,
148 		.phy_addr        = 6,
149 		.slave_port      = 7,
150 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
151 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
152 	},
153 	{
154 		.int_name        = "K2E_EMAC7",
155 		.rx_flow         = 56,
156 		.phy_addr        = 7,
157 		.slave_port      = 8,
158 		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
159 		.phy_if          = PHY_INTERFACE_MODE_SGMII,
160 	},
161 };
162 
163 int get_num_eth_ports(void)
164 {
165 	return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
166 }
167 #endif
168 
169 #if defined(CONFIG_MULTI_DTB_FIT)
170 int board_fit_config_name_match(const char *name)
171 {
172 	if (!strcmp(name, "keystone-k2e-evm"))
173 		return 0;
174 
175 	return -1;
176 }
177 #endif
178 
179 #if defined(CONFIG_BOARD_EARLY_INIT_F)
180 int board_early_init_f(void)
181 {
182 	init_plls();
183 
184 	return 0;
185 }
186 #endif
187 
188 #ifdef CONFIG_SPL_BUILD
189 void spl_init_keystone_plls(void)
190 {
191 	init_plls();
192 }
193 #endif
194