xref: /openbmc/u-boot/board/xilinx/microblaze-generic/microblaze-generic.c (revision 14d0a02a168b36e87665b8d7f42fa3e88263d26d)
1 /*
2  * (C) Copyright 2007 Michal Simek
3  *
4  * Michal  SIMEK <monstr@monstr.eu>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 /* This is a board specific file.  It's OK to include board specific
26  * header files */
27 
28 #include <common.h>
29 #include <config.h>
30 #include <netdev.h>
31 #include <asm/microblaze_intc.h>
32 #include <asm/asm.h>
33 
34 void do_reset (void)
35 {
36 #ifdef CONFIG_SYS_GPIO_0
37 	*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) =
38 	    ++(*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)));
39 #endif
40 #ifdef CONFIG_SYS_RESET_ADDRESS
41 	puts ("Reseting board\n");
42 	asm ("bra r0");
43 #endif
44 }
45 
46 int gpio_init (void)
47 {
48 #ifdef CONFIG_SYS_GPIO_0
49 	*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) = 0xFFFFFFFF;
50 #endif
51 	return 0;
52 }
53 
54 #ifdef CONFIG_SYS_FSL_2
55 void fsl_isr2 (void *arg) {
56 	volatile int num;
57 	*((unsigned int *)(CONFIG_SYS_GPIO_0_ADDR + 0x4)) =
58 	    ++(*((unsigned int *)(CONFIG_SYS_GPIO_0_ADDR + 0x4)));
59 	GET (num, 2);
60 	NGET (num, 2);
61 	puts("*");
62 }
63 
64 int fsl_init2 (void) {
65 	puts("fsl_init2\n");
66 	install_interrupt_handler (FSL_INTR_2, fsl_isr2, NULL);
67 	return 0;
68 }
69 #endif
70 
71 int board_eth_init(bd_t *bis)
72 {
73 	/*
74 	 * This board either has PCI NICs or uses the CPU's TSECs
75 	 * pci_eth_init() will return 0 if no NICs found, so in that case
76 	 * returning -1 will force cpu_eth_init() to be called.
77 	 */
78 #ifdef CONFIG_XILINX_EMACLITE
79 	return xilinx_emaclite_initialize(bis, XILINX_EMACLITE_BASEADDR);
80 #endif
81 }
82