5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <linux/mtd/doc2000.h>
35 #include "fpga_serial.h"
37 #if defined(CONFIG_WATCHDOG)
39 static int pcippc2_wdt_init_done = 0;
41 void pcippc2_wdt_init (void);
45 /* Check board identity
50 puts ("Board: Gespac PCIPPC-2\n");
52 puts ("Board: Gespac PCIPPC-6\n");
57 /* RAM size is stored in CPC0_RGBAN1
59 u32 pcippc2_sdram_size (void)
61 return in32 (REG (CPC0, RGBAN1));
64 long initdram (int board_type)
66 return cpc710_ram_init ();
69 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
71 out32 (REG (CPC0, SPOR), 0);
78 int board_pre_init (void)
80 out32 (REG (CPC0, RSTR), 0xC0000000);
83 out32 (REG (CPC0, RSTR), 0xF0000000);
86 out32 (REG (CPC0, UCTL), 0x00F80000);
88 out32 (REG (CPC0, SIOC0), 0x30000000);
90 out32 (REG (CPC0, ABCNTL), 0x00000000);
92 out32 (REG (CPC0, SESR), 0x00000000);
93 out32 (REG (CPC0, SEAR), 0x00000000);
95 /* Detect IBM Avignon CPC710 Revision */
96 if ((in32 (REG (CPC0, UCTL)) & 0x000000F0) == CPC710_TYPE_100P)
97 out32 (REG (CPC0, PGCHP), 0xA0000040);
99 out32 (REG (CPC0, PGCHP), 0x80800040);
102 out32 (REG (CPC0, ATAS), 0x709C2508);
109 void after_reloc (ulong dest_addr)
111 DECLARE_GLOBAL_DATA_PTR;
113 /* Jump to the main U-Boot board init code
115 board_init_r ((gd_t *)gd, dest_addr);
118 int misc_init_r (void)
120 pcippc2_fpga_init ();
122 pcippc2_cpci3264_init ();
124 #if defined(CONFIG_WATCHDOG)
128 fpga_serial_init (sconsole_get_baudrate ());
130 sconsole_putc = fpga_serial_putc;
131 sconsole_puts = fpga_serial_puts;
132 sconsole_getc = fpga_serial_getc;
133 sconsole_tstc = fpga_serial_tstc;
134 sconsole_setbrg = fpga_serial_setbrg;
140 void pci_init_board (void)
144 /* FPGA requires no retry timeouts to be enabled
146 cpc710_pci_enable_timeout ();
151 doc_probe (pcippc2_fpga1_phys + HW_FPGA1_DOC);
154 void pcippc2_cpci3264_init (void)
156 pci_dev_t bdf = pci_find_device(FPGA_VENDOR_ID, FPGA_DEVICE_ID, 0);
160 puts("Unable to find FPGA !\n");
164 if((in32(pcippc2_fpga0_phys + HW_FPGA0_BOARD) & 0x01000000) == 0x01000000)
165 /* 32-bits Compact PCI bus - LSB bit */
168 out32(BRIDGE(CPCI, PCIDG), 0x40000000); /* 32-bits bridge, Pipeline */
173 #if defined(CONFIG_WATCHDOG)
175 void pcippc2_wdt_init (void)
177 out16r (FPGA (WDT, PROG), 0xffff);
178 out8 (FPGA (WDT, CTRL), 0x1);
180 pcippc2_wdt_init_done = 1;
183 void pcippc2_wdt_done (void)
185 out8 (FPGA (WDT, CTRL), 0x0);
187 pcippc2_wdt_init_done = 0;
190 void pcippc2_wdt_reset (void)
192 if (pcippc2_wdt_init_done == 1)
193 out8 (FPGA (WDT, REFRESH), 0x56);
196 void watchdog_reset (void)
198 int re_enable = disable_interrupts ();
200 pcippc2_wdt_reset ();
202 enable_interrupts ();
205 #if (CONFIG_COMMANDS & CFG_CMD_BSP)
206 int do_wd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
210 printf ("Watchdog timer status is %s\n",
211 pcippc2_wdt_init_done == 1 ? "on" : "off");
215 if (!strcmp(argv[1],"on")) {
217 printf("Watchdog timer now is on\n");
221 } else if (!strcmp(argv[1],"off")) {
223 printf("Watchdog timer now is off\n");
232 printf ("Usage:\n%s\n", cmdtp->usage);
238 "wd - check and set watchdog\n",
239 "on - switch watchDog on\n"
240 "wd off - switch watchdog off\n"
241 "wd - print current status\n"
244 #endif /* CFG_CMD_BSP */
245 #endif /* CONFIG_WATCHDOG */