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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-19 19:07:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-19 19:07:12 -0700
commit25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (patch)
treee0977d906193eadeafebc442775491b844be79d5 /arch/mips/basler/excite/excite_procfs.c
parent4c84a39c8adba6bf2f829b217e78bfd61478191a (diff)
parent1723b4a34af85447684c9696af83929d2c1e8e6b (diff)
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Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits) [MIPS] Make timer interrupt frequency configurable from kconfig. [MIPS] Correct HAL2 Kconfig description [MIPS] Fix R4K cache macro names [MIPS] Add Missing R4K Cache Macros to IP27 & IP32 [MIPS] Support for the RM9000-based Basler eXcite smart camera platform. [MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board [MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors. [MIPS] SN: include asm/sn/types.h for nasid_t. [MIPS] Random fixes for sb1250 [MIPS] Fix bcm1480 compile [MIPS] Remove support for NEC DDB5476. [MIPS] Remove support for NEC DDB5074. [MIPS] Cleanup memory managment initialization. [MIPS] SN: Declare bridge_pci_ops. [MIPS] Remove unused function alloc_pci_controller. [MIPS] IP27: Extract pci_ops into separate file. [MIPS] IP27: Use symbolic constants instead of magic numbers. [MIPS] vr41xx: remove unnecessay items from vr41xx/Kconfig. [MIPS] IP27: Cleanup N/M mode configuration. [MIPS] IP27: Throw away old unused hacks. ...
Diffstat (limited to 'arch/mips/basler/excite/excite_procfs.c')
-rw-r--r--arch/mips/basler/excite/excite_procfs.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/mips/basler/excite/excite_procfs.c b/arch/mips/basler/excite/excite_procfs.c
new file mode 100644
index 000000000000..c62be0341fb8
--- /dev/null
+++ b/arch/mips/basler/excite/excite_procfs.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2004, 2005 by Basler Vision Technologies AG
+ * Author: Thomas Koeller <thomas.koeller@baslerweb.com>
+ *
+ * Procfs support for Basler eXcite
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/config.h>
+#include <linux/proc_fs.h>
+#include <linux/stat.h>
+#include <asm/page.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/rm9k-ocd.h>
+
+#include <excite.h>
+
+static int excite_get_unit_id(char *buf, char **addr, off_t offs, int size)
+{
+ const int len = snprintf(buf, PAGE_SIZE, "%06x", unit_id);
+ const int w = len - offs;
+ *addr = buf + offs;
+ return w < size ? w : size;
+}
+
+static int
+excite_bootrom_read(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ void __iomem * src;
+
+ if (off >= EXCITE_SIZE_BOOTROM) {
+ *eof = 1;
+ return 0;
+ }
+
+ if ((off + count) > EXCITE_SIZE_BOOTROM)
+ count = EXCITE_SIZE_BOOTROM - off;
+
+ src = ioremap(EXCITE_PHYS_BOOTROM + off, count);
+ if (src) {
+ memcpy_fromio(page, src, count);
+ iounmap(src);
+ *start = page;
+ } else {
+ count = -ENOMEM;
+ }
+
+ return count;
+}
+
+void excite_procfs_init(void)
+{
+ /* Create & populate /proc/excite */
+ struct proc_dir_entry * const pdir = proc_mkdir("excite", &proc_root);
+ if (pdir) {
+ struct proc_dir_entry * e;
+
+ e = create_proc_info_entry("unit_id", S_IRUGO, pdir,
+ excite_get_unit_id);
+ if (e) e->size = 6;
+
+ e = create_proc_read_entry("bootrom", S_IRUGO, pdir,
+ excite_bootrom_read, NULL);
+ if (e) e->size = EXCITE_SIZE_BOOTROM;
+ }
+}
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