xref: /openbmc/u-boot/board/xilinx/zynq/board.c (revision 42392849)
1 /*
2  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <fdtdec.h>
9 #include <fpga.h>
10 #include <mmc.h>
11 #include <zynqpl.h>
12 #include <asm/arch/hardware.h>
13 #include <asm/arch/sys_proto.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
18     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
19 static xilinx_desc fpga;
20 
21 /* It can be done differently */
22 static xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
23 static xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
24 static xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
25 static xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
26 static xilinx_desc fpga035 = XILINX_XC7Z035_DESC(0x35);
27 static xilinx_desc fpga045 = XILINX_XC7Z045_DESC(0x45);
28 static xilinx_desc fpga100 = XILINX_XC7Z100_DESC(0x100);
29 #endif
30 
31 int board_init(void)
32 {
33 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
34     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
35 	u32 idcode;
36 
37 	idcode = zynq_slcr_get_idcode();
38 
39 	switch (idcode) {
40 	case XILINX_ZYNQ_7010:
41 		fpga = fpga010;
42 		break;
43 	case XILINX_ZYNQ_7015:
44 		fpga = fpga015;
45 		break;
46 	case XILINX_ZYNQ_7020:
47 		fpga = fpga020;
48 		break;
49 	case XILINX_ZYNQ_7030:
50 		fpga = fpga030;
51 		break;
52 	case XILINX_ZYNQ_7035:
53 		fpga = fpga035;
54 		break;
55 	case XILINX_ZYNQ_7045:
56 		fpga = fpga045;
57 		break;
58 	case XILINX_ZYNQ_7100:
59 		fpga = fpga100;
60 		break;
61 	}
62 #endif
63 
64 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
65     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
66 	fpga_init();
67 	fpga_add(fpga_xilinx, &fpga);
68 #endif
69 
70 	return 0;
71 }
72 
73 int board_late_init(void)
74 {
75 	switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
76 	case ZYNQ_BM_NOR:
77 		setenv("modeboot", "norboot");
78 		break;
79 	case ZYNQ_BM_SD:
80 		setenv("modeboot", "sdboot");
81 		break;
82 	case ZYNQ_BM_JTAG:
83 		setenv("modeboot", "jtagboot");
84 		break;
85 	default:
86 		setenv("modeboot", "");
87 		break;
88 	}
89 
90 	return 0;
91 }
92 
93 #ifdef CONFIG_DISPLAY_BOARDINFO
94 int checkboard(void)
95 {
96 	puts("Board: Xilinx Zynq\n");
97 	return 0;
98 }
99 #endif
100 
101 int dram_init(void)
102 {
103 	int node;
104 	fdt_addr_t addr;
105 	fdt_size_t size;
106 	const void *blob = gd->fdt_blob;
107 
108 	node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
109 					     "memory", 7);
110 	if (node == -FDT_ERR_NOTFOUND) {
111 		debug("ZYNQ DRAM: Can't get memory node\n");
112 		return -1;
113 	}
114 	addr = fdtdec_get_addr_size(blob, node, "reg", &size);
115 	if (addr == FDT_ADDR_T_NONE || size == 0) {
116 		debug("ZYNQ DRAM: Can't get base address or size\n");
117 		return -1;
118 	}
119 	gd->ram_size = size;
120 	zynq_ddrc_init();
121 
122 	return 0;
123 }
124