2 * (C) Copyright 2007 - 2013 Tensilica Inc.
3 * (C) Copyright 2014 - 2016 Cadence Design Systems Inc.
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <dm/platdata.h>
11 #include <dm/platform_data/net_ethoc.h>
12 #include <linux/ctype.h>
13 #include <linux/string.h>
14 #include <linux/stringify.h>
15 #include <asm/global_data.h>
17 DECLARE_GLOBAL_DATA_PTR;
20 * Check board idendity.
21 * (Print information about the board to stdout.)
25 #if defined(CONFIG_XTFPGA_LX60)
26 const char *board = "XT_AV60";
27 const char *description = "Avnet Xilinx LX60 FPGA Evaluation Board / ";
28 #elif defined(CONFIG_XTFPGA_LX110)
29 const char *board = "XT_AV110";
30 const char *description = "Avnet Xilinx Virtex-5 LX110 Evaluation Kit / ";
31 #elif defined(CONFIG_XTFPGA_LX200)
32 const char *board = "XT_AV200";
33 const char *description = "Avnet Xilinx Virtex-4 LX200 Evaluation Kit / ";
34 #elif defined(CONFIG_XTFPGA_ML605)
35 const char *board = "XT_ML605";
36 const char *description = "Xilinx Virtex-6 FPGA ML605 Evaluation Kit / ";
37 #elif defined(CONFIG_XTFPGA_KC705)
38 const char *board = "XT_KC705";
39 const char *description = "Xilinx Kintex-7 FPGA KC705 Evaluation Kit / ";
41 const char *board = "<unknown>";
42 const char *description = "";
47 printf("Board: %s: %sTensilica bitstream\n", board, description);
51 void dram_init_banksize(void)
53 gd->bd->bi_memstart = PHYSADDR(CONFIG_SYS_SDRAM_BASE);
54 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
57 int board_postclk_init(void)
60 * Obtain CPU clock frequency from board and cache in global
61 * data structure (Hz). Return 0 on success (OK to continue),
62 * else non-zero (hang).
65 #ifdef CONFIG_SYS_FPGAREG_FREQ
66 gd->cpu_clk = (*(volatile unsigned long *)CONFIG_SYS_FPGAREG_FREQ);
68 /* early Tensilica bitstreams lack this reg, but most run at 50 MHz */
69 gd->cpu_clk = 50000000UL;
75 * Miscellaneous late initializations.
76 * The environment has been set up, so we can set the Ethernet address.
83 * Initialize ethernet environment variables and board info.
84 * Default MAC address comes from CONFIG_ETHADDR + DIP switches 1-6.
87 char *s = getenv("ethaddr");
90 char s[] = __stringify(CONFIG_ETHBASE);
91 x = (*(volatile u32 *)CONFIG_SYS_FPGAREG_DIPSW)
93 sprintf(&s[15], "%02x", x);
96 #endif /* CONFIG_CMD_NET */
101 U_BOOT_DEVICE(sysreset) = {
102 .name = "xtfpga_sysreset",
105 static struct ethoc_eth_pdata ethoc_pdata = {
107 .iobase = CONFIG_SYS_ETHOC_BASE,
109 .packet_base = CONFIG_SYS_ETHOC_BUFFER_ADDR,
112 U_BOOT_DEVICE(ethoc) = {
114 .platdata = ðoc_pdata,