Module Name: src
Committed By: jmcneill
Date: Fri Aug 25 12:28:10 UTC 2017
Modified Files:
src/sys/dev/fdt: fdt_subr.c fdtvar.h
Log Message:
Add fdtbus_get_reg_byname
To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/dev/fdt/fdt_subr.c
cvs rdiff -u -r1.25 -r1.26 src/sys/dev/fdt/fdtvar.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/fdt/fdt_subr.c
diff -u src/sys/dev/fdt/fdt_subr.c:1.17 src/sys/dev/fdt/fdt_subr.c:1.18
--- src/sys/dev/fdt/fdt_subr.c:1.17 Wed Jul 19 20:18:07 2017
+++ src/sys/dev/fdt/fdt_subr.c Fri Aug 25 12:28:10 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: fdt_subr.c,v 1.17 2017/07/19 20:18:07 jmcneill Exp $ */
+/* $NetBSD: fdt_subr.c,v 1.18 2017/08/25 12:28:10 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fdt_subr.c,v 1.17 2017/07/19 20:18:07 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fdt_subr.c,v 1.18 2017/08/25 12:28:10 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -199,6 +199,32 @@ fdtbus_decode_range(int phandle, uint64_
}
int
+fdtbus_get_reg_byname(int phandle, const char *name, bus_addr_t *paddr,
+ bus_size_t *psize)
+{
+ const char *reg_names, *p;
+ u_int index;
+ int len, resid;
+ int error = ENOENT;
+
+ reg_names = fdtbus_get_prop(phandle, "reg-names", &len);
+ if (len <= 0)
+ return error;
+
+ p = reg_names;
+ for (index = 0, resid = len; resid > 0; index++) {
+ if (strcmp(p, name) == 0) {
+ error = fdtbus_get_reg(phandle, index, paddr, psize);
+ break;
+ }
+ resid -= strlen(p);
+ p += strlen(p) + 1;
+ }
+
+ return error;
+}
+
+int
fdtbus_get_reg(int phandle, u_int index, bus_addr_t *paddr, bus_size_t *psize)
{
uint64_t addr, size;
Index: src/sys/dev/fdt/fdtvar.h
diff -u src/sys/dev/fdt/fdtvar.h:1.25 src/sys/dev/fdt/fdtvar.h:1.26
--- src/sys/dev/fdt/fdtvar.h:1.25 Sun Aug 13 18:27:11 2017
+++ src/sys/dev/fdt/fdtvar.h Fri Aug 25 12:28:10 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: fdtvar.h,v 1.25 2017/08/13 18:27:11 jmcneill Exp $ */
+/* $NetBSD: fdtvar.h,v 1.26 2017/08/25 12:28:10 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <[email protected]>
@@ -227,6 +227,8 @@ int fdtbus_register_phy_controller(devi
const struct fdtbus_phy_controller_func *);
int fdtbus_get_reg(int, u_int, bus_addr_t *, bus_size_t *);
+int fdtbus_get_reg_byname(int, const char *, bus_addr_t *,
+ bus_size_t *);
int fdtbus_get_reg64(int, u_int, uint64_t *, uint64_t *);
int fdtbus_get_phandle(int, const char *);
int fdtbus_get_phandle_from_native(int);
