xref: /openbmc/u-boot/board/ti/ti816x/evm.c (revision ac45bb16)
1 /*
2  * evm.c
3  *
4  * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
5  * Antoine Tenart, <atenart@adeneo-embedded.com>
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <spl.h>
12 #include <asm/cache.h>
13 #include <asm/io.h>
14 #include <asm/arch/clock.h>
15 #include <asm/arch/cpu.h>
16 #include <asm/arch/ddr_defs.h>
17 #include <asm/arch/hardware.h>
18 #include <asm/arch/sys_proto.h>
19 #include <asm/arch/mmc_host_def.h>
20 #include <asm/arch/mem.h>
21 #include <asm/arch/mux.h>
22 
23 DECLARE_GLOBAL_DATA_PTR;
24 
25 int board_init(void)
26 {
27 	gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
28 	return 0;
29 }
30 
31 #ifdef CONFIG_SPL_BUILD
32 
33 static struct module_pin_mux mmc_pin_mux[] = {
34 	{ OFFSET(pincntl157), PULLDOWN_EN | PULLUDDIS | MODE(0x0) },
35 	{ OFFSET(pincntl158), PULLDOWN_EN | PULLUDEN | MODE(0x0) },
36 	{ OFFSET(pincntl159), PULLUP_EN | PULLUDDIS | MODE(0x0) },
37 	{ OFFSET(pincntl160), PULLUP_EN | PULLUDDIS | MODE(0x0) },
38 	{ OFFSET(pincntl161), PULLUP_EN | PULLUDDIS | MODE(0x0) },
39 	{ OFFSET(pincntl162), PULLUP_EN | PULLUDDIS | MODE(0x0) },
40 	{ OFFSET(pincntl163), PULLUP_EN | PULLUDDIS | MODE(0x0) },
41 	{ -1 },
42 };
43 
44 const struct dmm_lisa_map_regs evm_lisa_map_regs = {
45 	.dmm_lisa_map_0 = 0x00000000,
46 	.dmm_lisa_map_1 = 0x00000000,
47 	.dmm_lisa_map_2 = 0x80640300,
48 	.dmm_lisa_map_3 = 0xC0640320,
49 };
50 
51 /*
52  * DDR2 related definitions
53  */
54 #ifdef CONFIG_TI816X_EVM_DDR2
55 static struct ddr_data ddr2_data = {
56 	.datardsratio0		= ((0x40<<10) | (0x40<<0)),
57 	.datawdsratio0		= ((0x4A<<10) | (0x4A<<0)),
58 	.datawiratio0		= ((0x0<<10) | (0x0<<0)),
59 	.datagiratio0		= ((0x0<<10) | (0x0<<0)),
60 	.datafwsratio0		= ((0x13A<<10) | (0x13A<<0)),
61 	.datawrsratio0		= ((0x8A<<10) | (0x8A<<0)),
62 };
63 
64 static struct cmd_control ddr2_ctrl = {
65 	.cmd0csratio	= 0x80,
66 	.cmd0iclkout	= 0x00,
67 
68 	.cmd1csratio	= 0x80,
69 	.cmd1iclkout	= 0x00,
70 
71 	.cmd2csratio	= 0x80,
72 	.cmd2iclkout	= 0x00,
73 
74 };
75 
76 static struct emif_regs ddr2_emif0_regs = {
77 	.sdram_config		= 0x43801A3A,
78 	.ref_ctrl		= 0x10000C30,
79 	.sdram_tim1		= 0x0AAB15E2,
80 	.sdram_tim2		= 0x423631D2,
81 	.sdram_tim3		= 0x0080032F,
82 	.emif_ddr_phy_ctlr_1	= 0x0, /* depend on cpu rev, set later */
83 };
84 
85 static struct emif_regs ddr2_emif1_regs = {
86 	.sdram_config		= 0x43801A3A,
87 	.ref_ctrl		= 0x10000C30,
88 	.sdram_tim1		= 0x0AAB15E2,
89 	.sdram_tim2		= 0x423631D2,
90 	.sdram_tim3		= 0x0080032F,
91 	.emif_ddr_phy_ctlr_1	= 0x0, /* depend on cpu rev, set later */
92 };
93 #endif
94 
95 /*
96  * DDR3 related definitions
97  */
98 
99 #if defined(CONFIG_TI816X_DDR_PLL_400)
100 #define RD_DQS		0x03B
101 #define WR_DQS		0x0A6
102 #define RD_DQS_GATE	0x12A
103 #define EMIF_SDCFG	0x62A41032
104 #define EMIF_SDREF	0x10000C30
105 #define EMIF_TIM1	0x0CCCE524
106 #define EMIF_TIM2	0x30308023
107 #define EMIF_TIM3	0x009F82CF
108 #define EMIF_PHYCFG	0x0000010B
109 #elif defined(CONFIG_TI816X_DDR_PLL_531)
110 #define RD_DQS		0x039
111 #define WR_DQS		0x0B4
112 #define RD_DQS_GATE	0x13D
113 #define EMIF_SDCFG	0x62A51832
114 #define EMIF_SDREF	0x1000102E
115 #define EMIF_TIM1	0x0EF136AC
116 #define EMIF_TIM2	0x30408063
117 #define EMIF_TIM3	0x009F83AF
118 #define EMIF_PHYCFG	0x0000010C
119 #elif defined(CONFIG_TI816X_DDR_PLL_675)
120 #define RD_DQS		0x039
121 #define WR_DQS		0x091
122 #define RD_DQS_GATE	0x196
123 #define EMIF_SDCFG	0x62A63032
124 #define EMIF_SDREF	0x10001491
125 #define EMIF_TIM1	0x13358875
126 #define EMIF_TIM2	0x5051806C
127 #define EMIF_TIM3	0x009F84AF
128 #define EMIF_PHYCFG	0x0000010F
129 #elif defined(CONFIG_TI816X_DDR_PLL_796)
130 #define RD_DQS		0x035
131 #define WR_DQS		0x093
132 #define RD_DQS_GATE	0x1B3
133 #define EMIF_SDCFG	0x62A73832
134 #define EMIF_SDREF	0x10001841
135 #define EMIF_TIM1	0x1779C9FE
136 #define EMIF_TIM2	0x50608074
137 #define EMIF_TIM3	0x009F857F
138 #define EMIF_PHYCFG	0x00000110
139 #endif
140 
141 static struct ddr_data ddr3_data = {
142 	.datardsratio0		= ((RD_DQS<<10) | (RD_DQS<<0)),
143 	.datawdsratio0		= ((WR_DQS<<10) | (WR_DQS<<0)),
144 	.datawiratio0		= ((0x20<<10) | 0x20<<0),
145 	.datagiratio0		= ((0x20<<10) | 0x20<<0),
146 	.datafwsratio0		= ((RD_DQS_GATE<<10) | (RD_DQS_GATE<<0)),
147 	.datawrsratio0		= (((WR_DQS+0x40)<<10) | ((WR_DQS+0x40)<<0)),
148 };
149 
150 static const struct cmd_control ddr3_ctrl = {
151 	.cmd0csratio	= 0x100,
152 	.cmd0iclkout	= 0x001,
153 
154 	.cmd1csratio	= 0x100,
155 	.cmd1iclkout	= 0x001,
156 
157 	.cmd2csratio	= 0x100,
158 	.cmd2iclkout	= 0x001,
159 };
160 
161 static const struct emif_regs ddr3_emif0_regs = {
162 	.sdram_config		= EMIF_SDCFG,
163 	.ref_ctrl		= EMIF_SDREF,
164 	.sdram_tim1		= EMIF_TIM1,
165 	.sdram_tim2		= EMIF_TIM2,
166 	.sdram_tim3		= EMIF_TIM3,
167 	.emif_ddr_phy_ctlr_1	= EMIF_PHYCFG,
168 };
169 
170 static const struct emif_regs ddr3_emif1_regs = {
171 	.sdram_config		= EMIF_SDCFG,
172 	.ref_ctrl		= EMIF_SDREF,
173 	.sdram_tim1		= EMIF_TIM1,
174 	.sdram_tim2		= EMIF_TIM2,
175 	.sdram_tim3		= EMIF_TIM3,
176 	.emif_ddr_phy_ctlr_1	= EMIF_PHYCFG,
177 };
178 
179 void set_uart_mux_conf(void) {}
180 
181 void set_mux_conf_regs(void)
182 {
183 	configure_module_pin_mux(mmc_pin_mux);
184 }
185 
186 void sdram_init(void)
187 {
188 	config_dmm(&evm_lisa_map_regs);
189 
190 #ifdef CONFIG_TI816X_EVM_DDR2
191 	if (CONFIG_TI816X_USE_EMIF0) {
192 		ddr2_emif0_regs.emif_ddr_phy_ctlr_1 =
193 			(get_cpu_rev() == 0x1 ? 0x0000010B : 0x0000030B);
194 		config_ddr(0, 0, &ddr2_data, &ddr2_ctrl, &ddr2_emif0_regs, 0);
195 	}
196 
197 	if (CONFIG_TI816X_USE_EMIF1) {
198 		ddr2_emif1_regs.emif_ddr_phy_ctlr_1 =
199 			(get_cpu_rev() == 0x1 ? 0x0000010B : 0x0000030B);
200 		config_ddr(1, 0, &ddr2_data, &ddr2_ctrl, &ddr2_emif1_regs, 1);
201 	}
202 #endif
203 
204 #ifdef CONFIG_TI816X_EVM_DDR3
205 	if (CONFIG_TI816X_USE_EMIF0)
206 		config_ddr(0, 0, &ddr3_data, &ddr3_ctrl, &ddr3_emif0_regs, 0);
207 
208 	if (CONFIG_TI816X_USE_EMIF1)
209 		config_ddr(1, 0, &ddr3_data, &ddr3_ctrl, &ddr3_emif1_regs, 1);
210 #endif
211 }
212 #endif /* CONFIG_SPL_BUILD */
213