xref: /openbmc/u-boot/board/xilinx/zynq/board.c (revision 6b44ae6b)
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 <netdev.h>
12 #include <zynqpl.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/arch/sys_proto.h>
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
19     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
20 static xilinx_desc fpga;
21 
22 /* It can be done differently */
23 static xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
24 static xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
25 static xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
26 static xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
27 static xilinx_desc fpga035 = XILINX_XC7Z035_DESC(0x35);
28 static xilinx_desc fpga045 = XILINX_XC7Z045_DESC(0x45);
29 static xilinx_desc fpga100 = XILINX_XC7Z100_DESC(0x100);
30 #endif
31 
32 int board_init(void)
33 {
34 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
35     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
36 	u32 idcode;
37 
38 	idcode = zynq_slcr_get_idcode();
39 
40 	switch (idcode) {
41 	case XILINX_ZYNQ_7010:
42 		fpga = fpga010;
43 		break;
44 	case XILINX_ZYNQ_7015:
45 		fpga = fpga015;
46 		break;
47 	case XILINX_ZYNQ_7020:
48 		fpga = fpga020;
49 		break;
50 	case XILINX_ZYNQ_7030:
51 		fpga = fpga030;
52 		break;
53 	case XILINX_ZYNQ_7035:
54 		fpga = fpga035;
55 		break;
56 	case XILINX_ZYNQ_7045:
57 		fpga = fpga045;
58 		break;
59 	case XILINX_ZYNQ_7100:
60 		fpga = fpga100;
61 		break;
62 	}
63 #endif
64 
65 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
66     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
67 	fpga_init();
68 	fpga_add(fpga_xilinx, &fpga);
69 #endif
70 
71 	return 0;
72 }
73 
74 int board_late_init(void)
75 {
76 	switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
77 	case ZYNQ_BM_NOR:
78 		setenv("modeboot", "norboot");
79 		break;
80 	case ZYNQ_BM_SD:
81 		setenv("modeboot", "sdboot");
82 		break;
83 	case ZYNQ_BM_JTAG:
84 		setenv("modeboot", "jtagboot");
85 		break;
86 	default:
87 		setenv("modeboot", "");
88 		break;
89 	}
90 
91 	return 0;
92 }
93 
94 #ifdef CONFIG_DISPLAY_BOARDINFO
95 int checkboard(void)
96 {
97 	puts("Board:\tXilinx Zynq\n");
98 	return 0;
99 }
100 #endif
101 
102 int board_eth_init(bd_t *bis)
103 {
104 	u32 ret = 0;
105 
106 #ifdef CONFIG_XILINX_AXIEMAC
107 	ret |= xilinx_axiemac_initialize(bis, XILINX_AXIEMAC_BASEADDR,
108 						XILINX_AXIDMA_BASEADDR);
109 #endif
110 #ifdef CONFIG_XILINX_EMACLITE
111 	u32 txpp = 0;
112 	u32 rxpp = 0;
113 # ifdef CONFIG_XILINX_EMACLITE_TX_PING_PONG
114 	txpp = 1;
115 # endif
116 # ifdef CONFIG_XILINX_EMACLITE_RX_PING_PONG
117 	rxpp = 1;
118 # endif
119 	ret |= xilinx_emaclite_initialize(bis, XILINX_EMACLITE_BASEADDR,
120 			txpp, rxpp);
121 #endif
122 
123 #if defined(CONFIG_ZYNQ_GEM)
124 # if defined(CONFIG_ZYNQ_GEM0)
125 	ret |= zynq_gem_initialize(bis, ZYNQ_GEM_BASEADDR0,
126 				   CONFIG_ZYNQ_GEM_PHY_ADDR0,
127 				   CONFIG_ZYNQ_GEM_EMIO0);
128 # endif
129 # if defined(CONFIG_ZYNQ_GEM1)
130 	ret |= zynq_gem_initialize(bis, ZYNQ_GEM_BASEADDR1,
131 				   CONFIG_ZYNQ_GEM_PHY_ADDR1,
132 				   CONFIG_ZYNQ_GEM_EMIO1);
133 # endif
134 #endif
135 	return ret;
136 }
137 
138 #ifdef CONFIG_CMD_MMC
139 int board_mmc_init(bd_t *bd)
140 {
141 	int ret = 0;
142 
143 #if defined(CONFIG_ZYNQ_SDHCI)
144 # if defined(CONFIG_ZYNQ_SDHCI0)
145 	ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
146 # endif
147 # if defined(CONFIG_ZYNQ_SDHCI1)
148 	ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
149 # endif
150 #endif
151 	return ret;
152 }
153 #endif
154 
155 int dram_init(void)
156 {
157 #if CONFIG_IS_ENABLED(OF_CONTROL)
158 	int node;
159 	fdt_addr_t addr;
160 	fdt_size_t size;
161 	const void *blob = gd->fdt_blob;
162 
163 	node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
164 					     "memory", 7);
165 	if (node == -FDT_ERR_NOTFOUND) {
166 		debug("ZYNQ DRAM: Can't get memory node\n");
167 		return -1;
168 	}
169 	addr = fdtdec_get_addr_size(blob, node, "reg", &size);
170 	if (addr == FDT_ADDR_T_NONE || size == 0) {
171 		debug("ZYNQ DRAM: Can't get base address or size\n");
172 		return -1;
173 	}
174 	gd->ram_size = size;
175 #else
176 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
177 #endif
178 	zynq_ddrc_init();
179 
180 	return 0;
181 }
182