xref: /openbmc/u-boot/board/xilinx/zynq/board.c (revision 0093b3fc)
1 /*
2  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
3  * (C) Copyright 2013 - 2018 Xilinx, Inc.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <fdtdec.h>
10 #include <fpga.h>
11 #include <mmc.h>
12 #include <zynqpl.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/arch/ps7_init_gpl.h>
16 
17 DECLARE_GLOBAL_DATA_PTR;
18 
19 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
20     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
21 static xilinx_desc fpga;
22 
23 /* It can be done differently */
24 static xilinx_desc fpga007s = XILINX_XC7Z007S_DESC(0x7);
25 static xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
26 static xilinx_desc fpga012s = XILINX_XC7Z012S_DESC(0x12);
27 static xilinx_desc fpga014s = XILINX_XC7Z014S_DESC(0x14);
28 static xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
29 static xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
30 static xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
31 static xilinx_desc fpga035 = XILINX_XC7Z035_DESC(0x35);
32 static xilinx_desc fpga045 = XILINX_XC7Z045_DESC(0x45);
33 static xilinx_desc fpga100 = XILINX_XC7Z100_DESC(0x100);
34 #endif
35 
36 int board_init(void)
37 {
38 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
39     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
40 	u32 idcode;
41 
42 	idcode = zynq_slcr_get_idcode();
43 
44 	switch (idcode) {
45 	case XILINX_ZYNQ_7007S:
46 		fpga = fpga007s;
47 		break;
48 	case XILINX_ZYNQ_7010:
49 		fpga = fpga010;
50 		break;
51 	case XILINX_ZYNQ_7012S:
52 		fpga = fpga012s;
53 		break;
54 	case XILINX_ZYNQ_7014S:
55 		fpga = fpga014s;
56 		break;
57 	case XILINX_ZYNQ_7015:
58 		fpga = fpga015;
59 		break;
60 	case XILINX_ZYNQ_7020:
61 		fpga = fpga020;
62 		break;
63 	case XILINX_ZYNQ_7030:
64 		fpga = fpga030;
65 		break;
66 	case XILINX_ZYNQ_7035:
67 		fpga = fpga035;
68 		break;
69 	case XILINX_ZYNQ_7045:
70 		fpga = fpga045;
71 		break;
72 	case XILINX_ZYNQ_7100:
73 		fpga = fpga100;
74 		break;
75 	}
76 #endif
77 
78 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
79     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
80 	fpga_init();
81 	fpga_add(fpga_xilinx, &fpga);
82 #endif
83 
84 	return 0;
85 }
86 
87 int board_late_init(void)
88 {
89 	switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
90 	case ZYNQ_BM_QSPI:
91 		env_set("modeboot", "qspiboot");
92 		break;
93 	case ZYNQ_BM_NAND:
94 		env_set("modeboot", "nandboot");
95 		break;
96 	case ZYNQ_BM_NOR:
97 		env_set("modeboot", "norboot");
98 		break;
99 	case ZYNQ_BM_SD:
100 		env_set("modeboot", "sdboot");
101 		break;
102 	case ZYNQ_BM_JTAG:
103 		env_set("modeboot", "jtagboot");
104 		break;
105 	default:
106 		env_set("modeboot", "");
107 		break;
108 	}
109 
110 	return 0;
111 }
112 
113 #ifdef CONFIG_DISPLAY_BOARDINFO
114 int checkboard(void)
115 {
116 	u32 version = zynq_get_silicon_version();
117 
118 	version <<= 1;
119 	if (version > (PCW_SILICON_VERSION_3 << 1))
120 		version += 1;
121 
122 	puts("Board: Xilinx Zynq\n");
123 	printf("Silicon: v%d.%d\n", version >> 1, version & 1);
124 
125 	return 0;
126 }
127 #endif
128 
129 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
130 {
131 #if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
132     defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
133 	if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
134 			CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
135 			ethaddr, 6))
136 		printf("I2C EEPROM MAC address read failed\n");
137 #endif
138 
139 	return 0;
140 }
141 
142 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
143 int dram_init_banksize(void)
144 {
145 	return fdtdec_setup_memory_banksize();
146 }
147 
148 int dram_init(void)
149 {
150 	if (fdtdec_setup_memory_size() != 0)
151 		return -EINVAL;
152 
153 	zynq_ddrc_init();
154 
155 	return 0;
156 }
157 #else
158 int dram_init(void)
159 {
160 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
161 
162 	zynq_ddrc_init();
163 
164 	return 0;
165 }
166 #endif
167