]> git.ipfire.org Git - people/ms/u-boot.git/blob - board/siemens/SCM/fpga_scm.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / board / siemens / SCM / fpga_scm.c
1 /*
2 * (C) Copyright 2002
3 * Wolfgang Grandegger, DENX Software Engineering, wg@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24
25 #include <common.h>
26 #include <mpc8260.h>
27 #include <common.h>
28 #include "../common/fpga.h"
29
30 fpga_t fpga_list[] = {
31 {"FIOX", CONFIG_SYS_FIOX_BASE,
32 CONFIG_SYS_PD_FIOX_INIT, CONFIG_SYS_PD_FIOX_PROG, CONFIG_SYS_PD_FIOX_DONE}
33 ,
34 {"FDOHM", CONFIG_SYS_FDOHM_BASE,
35 CONFIG_SYS_PD_FDOHM_INIT, CONFIG_SYS_PD_FDOHM_PROG, CONFIG_SYS_PD_FDOHM_DONE}
36 };
37 int fpga_count = sizeof (fpga_list) / sizeof (fpga_t);
38
39
40 ulong fpga_control (fpga_t * fpga, int cmd)
41 {
42 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
43
44 switch (cmd) {
45 case FPGA_INIT_IS_HIGH:
46 immr->im_ioport.iop_pdird &= ~fpga->init_mask; /* input */
47 return (immr->im_ioport.iop_pdatd & fpga->init_mask) ? 1 : 0;
48
49 case FPGA_INIT_SET_LOW:
50 immr->im_ioport.iop_pdird |= fpga->init_mask; /* output */
51 immr->im_ioport.iop_pdatd &= ~fpga->init_mask;
52 break;
53
54 case FPGA_INIT_SET_HIGH:
55 immr->im_ioport.iop_pdird |= fpga->init_mask; /* output */
56 immr->im_ioport.iop_pdatd |= fpga->init_mask;
57 break;
58
59 case FPGA_PROG_SET_LOW:
60 immr->im_ioport.iop_pdatd &= ~fpga->prog_mask;
61 break;
62
63 case FPGA_PROG_SET_HIGH:
64 immr->im_ioport.iop_pdatd |= fpga->prog_mask;
65 break;
66
67 case FPGA_DONE_IS_HIGH:
68 return (immr->im_ioport.iop_pdatd & fpga->done_mask) ? 1 : 0;
69
70 case FPGA_READ_MODE:
71 break;
72
73 case FPGA_LOAD_MODE:
74 break;
75
76 case FPGA_GET_ID:
77 if (fpga->conf_base == CONFIG_SYS_FIOX_BASE) {
78 ulong ver =
79 *(volatile ulong *) (fpga->conf_base + 0x10);
80 return ((ver >> 10) & 0xf) + ((ver >> 2) & 0xf0);
81 } else if (fpga->conf_base == CONFIG_SYS_FDOHM_BASE) {
82 return (*(volatile ushort *) fpga->conf_base) & 0xff;
83 } else {
84 return *(volatile ulong *) fpga->conf_base;
85 }
86
87 case FPGA_INIT_PORTS:
88 immr->im_ioport.iop_ppard &= ~fpga->init_mask; /* INIT I/O */
89 immr->im_ioport.iop_psord &= ~fpga->init_mask;
90 immr->im_ioport.iop_pdird &= ~fpga->init_mask;
91
92 immr->im_ioport.iop_ppard &= ~fpga->prog_mask; /* PROG Output */
93 immr->im_ioport.iop_psord &= ~fpga->prog_mask;
94 immr->im_ioport.iop_pdird |= fpga->prog_mask;
95
96 immr->im_ioport.iop_ppard &= ~fpga->done_mask; /* DONE Input */
97 immr->im_ioport.iop_psord &= ~fpga->done_mask;
98 immr->im_ioport.iop_pdird &= ~fpga->done_mask;
99
100 break;
101
102 }
103 return 0;
104 }