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体验新版 GitCode,发现更多精彩内容 >>
提交
0cfc6e8d
编写于
5月 17, 2012
作者:
A
Alexander Graf
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
PPC: e500: dt: create serial nodes dynamically
Signed-off-by:
N
Alexander Graf
<
agraf@suse.de
>
上级
5da96624
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
35 addition
and
26 deletion
+35
-26
hw/ppce500_mpc8544ds.c
hw/ppce500_mpc8544ds.c
+35
-0
pc-bios/mpc8544ds.dts
pc-bios/mpc8544ds.dts
+0
-26
未找到文件。
hw/ppce500_mpc8544ds.c
浏览文件 @
0cfc6e8d
...
...
@@ -81,6 +81,8 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
char
compatible
[]
=
"MPC8544DS
\0
MPC85xxDS"
;
char
model
[]
=
"MPC8544DS"
;
char
soc
[
128
];
char
ser0
[
128
];
char
ser1
[
128
];
filename
=
qemu_find_file
(
QEMU_FILE_TYPE_BIOS
,
BINARY_DEVICE_TREE_FILE
);
if
(
!
filename
)
{
...
...
@@ -182,6 +184,7 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
}
}
qemu_devtree_add_subnode
(
fdt
,
"/aliases"
);
/* XXX These should go into their respective devices' code */
snprintf
(
soc
,
sizeof
(
soc
),
"/soc8544@%x"
,
MPC8544_CCSRBAR_BASE
);
qemu_devtree_add_subnode
(
fdt
,
soc
);
...
...
@@ -196,6 +199,38 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
/* XXX should contain a reasonable value */
qemu_devtree_setprop_cell
(
fdt
,
soc
,
"bus-frequency"
,
0
);
/*
* We have to generate ser1 first, because Linux takes the first
* device it finds in the dt as serial output device. And we generate
* devices in reverse order to the dt.
*/
snprintf
(
ser1
,
sizeof
(
ser1
),
"%s/serial@%x"
,
soc
,
MPC8544_SERIAL1_REGS_BASE
-
MPC8544_CCSRBAR_BASE
);
qemu_devtree_add_subnode
(
fdt
,
ser1
);
qemu_devtree_setprop_string
(
fdt
,
ser1
,
"device_type"
,
"serial"
);
qemu_devtree_setprop_string
(
fdt
,
ser1
,
"compatible"
,
"ns16550"
);
qemu_devtree_setprop_cells
(
fdt
,
ser1
,
"reg"
,
MPC8544_SERIAL1_REGS_BASE
-
MPC8544_CCSRBAR_BASE
,
0x100
);
qemu_devtree_setprop_cell
(
fdt
,
ser1
,
"cell-index"
,
1
);
qemu_devtree_setprop_cell
(
fdt
,
ser1
,
"clock-frequency"
,
0
);
qemu_devtree_setprop_cells
(
fdt
,
ser1
,
"interrupts"
,
42
,
2
);
qemu_devtree_setprop_phandle
(
fdt
,
ser1
,
"interrupt-parent"
,
mpic
);
qemu_devtree_setprop_string
(
fdt
,
"/aliases"
,
"serial1"
,
ser1
);
snprintf
(
ser0
,
sizeof
(
ser0
),
"%s/serial@%x"
,
soc
,
MPC8544_SERIAL0_REGS_BASE
-
MPC8544_CCSRBAR_BASE
);
qemu_devtree_add_subnode
(
fdt
,
ser0
);
qemu_devtree_setprop_string
(
fdt
,
ser0
,
"device_type"
,
"serial"
);
qemu_devtree_setprop_string
(
fdt
,
ser0
,
"compatible"
,
"ns16550"
);
qemu_devtree_setprop_cells
(
fdt
,
ser0
,
"reg"
,
MPC8544_SERIAL0_REGS_BASE
-
MPC8544_CCSRBAR_BASE
,
0x100
);
qemu_devtree_setprop_cell
(
fdt
,
ser0
,
"cell-index"
,
0
);
qemu_devtree_setprop_cell
(
fdt
,
ser0
,
"clock-frequency"
,
0
);
qemu_devtree_setprop_cells
(
fdt
,
ser0
,
"interrupts"
,
42
,
2
);
qemu_devtree_setprop_phandle
(
fdt
,
ser0
,
"interrupt-parent"
,
mpic
);
qemu_devtree_setprop_string
(
fdt
,
"/aliases"
,
"serial0"
,
ser0
);
qemu_devtree_setprop_string
(
fdt
,
"/chosen"
,
"linux,stdout-path"
,
ser0
);
ret
=
rom_add_blob_fixed
(
BINARY_DEVICE_TREE_FILE
,
fdt
,
fdt_size
,
addr
);
if
(
ret
<
0
)
{
goto
out
;
...
...
pc-bios/mpc8544ds.dts
浏览文件 @
0cfc6e8d
...
...
@@ -12,32 +12,10 @@
/dts-v1/;
/ {
aliases {
serial0 = &serial0;
serial1 = &serial1;
pci0 = &pci0;
};
soc8544@e0000000 {
serial0: serial@4500 {
cell-index = <0>;
device_type = "serial";
compatible = "ns16550";
reg = <0x4500 0x100>;
clock-frequency = <0>;
interrupts = <42 2>;
interrupt-parent = <&mpic>;
};
serial1: serial@4600 {
cell-index = <1>;
device_type = "serial";
compatible = "ns16550";
reg = <0x4600 0x100>;
clock-frequency = <0>;
interrupts = <42 2>;
interrupt-parent = <&mpic>;
};
mpic: pic@40000 {
interrupt-controller;
#address-cells = <0>;
...
...
@@ -85,8 +63,4 @@
#address-cells = <3>;
reg = <0xe0008000 0x1000>;
};
chosen {
linux,stdout-path = "/soc8544@e0000000/serial@4500";
};
};
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