aboutsummaryrefslogtreecommitdiff
path: root/arch/ppc/boot/of1275
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc/boot/of1275')
-rw-r--r--arch/ppc/boot/of1275/Makefile6
-rw-r--r--arch/ppc/boot/of1275/claim.c34
-rw-r--r--arch/ppc/boot/of1275/enter.c22
-rw-r--r--arch/ppc/boot/of1275/exit.c24
-rw-r--r--arch/ppc/boot/of1275/finddevice.c31
-rw-r--r--arch/ppc/boot/of1275/getprop.c37
-rw-r--r--arch/ppc/boot/of1275/map.c48
-rw-r--r--arch/ppc/boot/of1275/ofinit.c27
-rw-r--r--arch/ppc/boot/of1275/ofstdio.c32
-rw-r--r--arch/ppc/boot/of1275/read.c35
-rw-r--r--arch/ppc/boot/of1275/release.c30
-rw-r--r--arch/ppc/boot/of1275/write.c35
12 files changed, 361 insertions, 0 deletions
diff --git a/arch/ppc/boot/of1275/Makefile b/arch/ppc/boot/of1275/Makefile
new file mode 100644
index 00000000000..02e6f235d7c
--- /dev/null
+++ b/arch/ppc/boot/of1275/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile of1275 stuff
+#
+
+lib-y := claim.o enter.o exit.o finddevice.o getprop.o ofinit.o \
+ ofstdio.o read.o release.o write.o map.o
diff --git a/arch/ppc/boot/of1275/claim.c b/arch/ppc/boot/of1275/claim.c
new file mode 100644
index 00000000000..e060292ae2a
--- /dev/null
+++ b/arch/ppc/boot/of1275/claim.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+void *
+claim(unsigned int virt, unsigned int size, unsigned int align)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ unsigned int virt;
+ unsigned int size;
+ unsigned int align;
+ void *ret;
+ } args;
+
+ args.service = "claim";
+ args.nargs = 3;
+ args.nret = 1;
+ args.virt = virt;
+ args.size = size;
+ args.align = align;
+ (*of_prom_entry)(&args);
+ return args.ret;
+}
diff --git a/arch/ppc/boot/of1275/enter.c b/arch/ppc/boot/of1275/enter.c
new file mode 100644
index 00000000000..abe87a8fe2d
--- /dev/null
+++ b/arch/ppc/boot/of1275/enter.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+void
+enter(void)
+{
+ struct prom_args {
+ char *service;
+ } args;
+
+ args.service = "enter";
+ (*of_prom_entry)(&args);
+}
diff --git a/arch/ppc/boot/of1275/exit.c b/arch/ppc/boot/of1275/exit.c
new file mode 100644
index 00000000000..b9f89b6a8b4
--- /dev/null
+++ b/arch/ppc/boot/of1275/exit.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+void
+exit(void)
+{
+ struct prom_args {
+ char *service;
+ } args;
+
+ for (;;) {
+ args.service = "exit";
+ (*of_prom_entry)(&args);
+ }
+}
diff --git a/arch/ppc/boot/of1275/finddevice.c b/arch/ppc/boot/of1275/finddevice.c
new file mode 100644
index 00000000000..2c0f7cbb793
--- /dev/null
+++ b/arch/ppc/boot/of1275/finddevice.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+phandle
+finddevice(const char *name)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ const char *devspec;
+ phandle device;
+ } args;
+
+ args.service = "finddevice";
+ args.nargs = 1;
+ args.nret = 1;
+ args.devspec = name;
+ args.device = OF_INVALID_HANDLE;
+ (*of_prom_entry)(&args);
+ return args.device;
+}
diff --git a/arch/ppc/boot/of1275/getprop.c b/arch/ppc/boot/of1275/getprop.c
new file mode 100644
index 00000000000..0cf75f035e4
--- /dev/null
+++ b/arch/ppc/boot/of1275/getprop.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+int
+getprop(phandle node, const char *name, void *buf, int buflen)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ phandle node;
+ const char *name;
+ void *buf;
+ int buflen;
+ int size;
+ } args;
+
+ args.service = "getprop";
+ args.nargs = 4;
+ args.nret = 1;
+ args.node = node;
+ args.name = name;
+ args.buf = buf;
+ args.buflen = buflen;
+ args.size = -1;
+ (*of_prom_entry)(&args);
+ return args.size;
+}
diff --git a/arch/ppc/boot/of1275/map.c b/arch/ppc/boot/of1275/map.c
new file mode 100644
index 00000000000..443256c6f6d
--- /dev/null
+++ b/arch/ppc/boot/of1275/map.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+#include "nonstdio.h"
+
+extern ihandle of_prom_mmu;
+
+int
+map(unsigned int phys, unsigned int virt, unsigned int size)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ char *method;
+ ihandle mmu_ihandle;
+ int misc;
+ unsigned int size;
+ unsigned int virt;
+ unsigned int phys;
+ int ret0;
+ } args;
+
+ if (of_prom_mmu == 0) {
+ printf("map() called, no MMU found\n");
+ return -1;
+ }
+ args.service = "call-method";
+ args.nargs = 6;
+ args.nret = 1;
+ args.method = "map";
+ args.mmu_ihandle = of_prom_mmu;
+ args.misc = 0;
+ args.phys = phys;
+ args.virt = virt;
+ args.size = size;
+ (*of_prom_entry)(&args);
+
+ return (int)args.ret0;
+}
diff --git a/arch/ppc/boot/of1275/ofinit.c b/arch/ppc/boot/of1275/ofinit.c
new file mode 100644
index 00000000000..0ee8af7639e
--- /dev/null
+++ b/arch/ppc/boot/of1275/ofinit.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+prom_entry of_prom_entry;
+ihandle of_prom_mmu;
+
+void
+ofinit(prom_entry prom_ptr)
+{
+ phandle chosen;
+
+ of_prom_entry = prom_ptr;
+
+ if ((chosen = finddevice("/chosen")) == OF_INVALID_HANDLE)
+ return;
+ if (getprop(chosen, "mmu", &of_prom_mmu, sizeof(ihandle)) != 4)
+ return;
+}
diff --git a/arch/ppc/boot/of1275/ofstdio.c b/arch/ppc/boot/of1275/ofstdio.c
new file mode 100644
index 00000000000..10abbe32b31
--- /dev/null
+++ b/arch/ppc/boot/of1275/ofstdio.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+int
+ofstdio(ihandle *stdin, ihandle *stdout, ihandle *stderr)
+{
+ ihandle in, out;
+ phandle chosen;
+
+ if ((chosen = finddevice("/chosen")) == OF_INVALID_HANDLE)
+ goto err;
+ if (getprop(chosen, "stdout", &out, sizeof(out)) != 4)
+ goto err;
+ if (getprop(chosen, "stdin", &in, sizeof(in)) != 4)
+ goto err;
+
+ *stdin = in;
+ *stdout = out;
+ *stderr = out;
+ return 0;
+err:
+ return -1;
+}
diff --git a/arch/ppc/boot/of1275/read.c b/arch/ppc/boot/of1275/read.c
new file mode 100644
index 00000000000..122813649fc
--- /dev/null
+++ b/arch/ppc/boot/of1275/read.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+int
+read(ihandle instance, void *buf, int buflen)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ ihandle instance;
+ void *buf;
+ int buflen;
+ int actual;
+ } args;
+
+ args.service = "read";
+ args.nargs = 3;
+ args.nret = 1;
+ args.instance = instance;
+ args.buf = buf;
+ args.buflen = buflen;
+ args.actual = -1;
+ (*of_prom_entry)(&args);
+ return args.actual;
+}
diff --git a/arch/ppc/boot/of1275/release.c b/arch/ppc/boot/of1275/release.c
new file mode 100644
index 00000000000..28032d37145
--- /dev/null
+++ b/arch/ppc/boot/of1275/release.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+void
+release(void *virt, unsigned int size)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *virt;
+ unsigned int size;
+ } args;
+
+ args.service = "release";
+ args.nargs = 2;
+ args.nret = 0;
+ args.virt = virt;
+ args.size = size;
+ (*of_prom_entry)(&args);
+}
diff --git a/arch/ppc/boot/of1275/write.c b/arch/ppc/boot/of1275/write.c
new file mode 100644
index 00000000000..7361b9b2fca
--- /dev/null
+++ b/arch/ppc/boot/of1275/write.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ * Copyright (C) Leigh Brown 2002.
+ *
+ * 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.
+ */
+
+#include "of1275.h"
+
+int
+write(ihandle instance, void *buf, int buflen)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ ihandle instance;
+ void *buf;
+ int buflen;
+ int actual;
+ } args;
+
+ args.service = "write";
+ args.nargs = 3;
+ args.nret = 1;
+ args.instance = instance;
+ args.buf = buf;
+ args.buflen = buflen;
+ args.actual = -1;
+ (*of_prom_entry)(&args);
+ return args.actual;
+}