diff options
Diffstat (limited to 'arch/powerpc/boot')
-rw-r--r-- | arch/powerpc/boot/Makefile | 7 | ||||
-rw-r--r-- | arch/powerpc/boot/dts/mpc7448hpc2.dts | 190 | ||||
-rw-r--r-- | arch/powerpc/boot/dts/mpc8349emds.dts | 328 | ||||
-rw-r--r-- | arch/powerpc/boot/flatdevtree.h | 46 | ||||
-rw-r--r-- | arch/powerpc/boot/main.c | 250 | ||||
-rw-r--r-- | arch/powerpc/boot/of.c (renamed from arch/powerpc/boot/prom.c) | 144 | ||||
-rw-r--r-- | arch/powerpc/boot/ops.h | 100 | ||||
-rw-r--r-- | arch/powerpc/boot/prom.h | 41 | ||||
-rw-r--r-- | arch/powerpc/boot/stdio.c | 4 | ||||
-rw-r--r-- | arch/powerpc/boot/stdio.h | 8 | ||||
-rw-r--r-- | arch/powerpc/boot/types.h | 23 |
11 files changed, 963 insertions, 178 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index d961bfeed05f..e73774136b55 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile | |||
@@ -36,11 +36,16 @@ zliblinuxheader := zlib.h zconf.h zutil.h | |||
36 | $(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) | 36 | $(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) |
37 | #$(addprefix $(obj)/,main.o): $(addprefix $(obj)/,zlib.h) | 37 | #$(addprefix $(obj)/,main.o): $(addprefix $(obj)/,zlib.h) |
38 | 38 | ||
39 | src-boot := crt0.S string.S prom.c stdio.c main.c div64.S | 39 | src-boot-$(CONFIG_PPC_MULTIPLATFORM) := of.c |
40 | src-boot := crt0.S string.S stdio.c main.c div64.S $(src-boot-y) | ||
40 | src-boot += $(zlib) | 41 | src-boot += $(zlib) |
41 | src-boot := $(addprefix $(obj)/, $(src-boot)) | 42 | src-boot := $(addprefix $(obj)/, $(src-boot)) |
42 | obj-boot := $(addsuffix .o, $(basename $(src-boot))) | 43 | obj-boot := $(addsuffix .o, $(basename $(src-boot))) |
43 | 44 | ||
45 | ifeq ($(call cc-option-yn, -fstack-protector),y) | ||
46 | BOOTCFLAGS += -fno-stack-protector | ||
47 | endif | ||
48 | |||
44 | BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) | 49 | BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) |
45 | 50 | ||
46 | quiet_cmd_copy_zlib = COPY $@ | 51 | quiet_cmd_copy_zlib = COPY $@ |
diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts new file mode 100644 index 000000000000..d7b985e6bd2f --- /dev/null +++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts | |||
@@ -0,0 +1,190 @@ | |||
1 | /* | ||
2 | * MPC7448HPC2 (Taiga) board Device Tree Source | ||
3 | * | ||
4 | * Copyright 2006 Freescale Semiconductor Inc. | ||
5 | * 2006 Roy Zang <Roy Zang at freescale.com>. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License as published by the | ||
9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | */ | ||
12 | |||
13 | |||
14 | / { | ||
15 | model = "mpc7448hpc2"; | ||
16 | compatible = "mpc74xx"; | ||
17 | #address-cells = <1>; | ||
18 | #size-cells = <1>; | ||
19 | linux,phandle = <100>; | ||
20 | |||
21 | cpus { | ||
22 | #cpus = <1>; | ||
23 | #address-cells = <1>; | ||
24 | #size-cells =<0>; | ||
25 | linux,phandle = <200>; | ||
26 | |||
27 | PowerPC,7448@0 { | ||
28 | device_type = "cpu"; | ||
29 | reg = <0>; | ||
30 | d-cache-line-size = <20>; // 32 bytes | ||
31 | i-cache-line-size = <20>; // 32 bytes | ||
32 | d-cache-size = <8000>; // L1, 32K bytes | ||
33 | i-cache-size = <8000>; // L1, 32K bytes | ||
34 | timebase-frequency = <0>; // 33 MHz, from uboot | ||
35 | clock-frequency = <0>; // From U-Boot | ||
36 | bus-frequency = <0>; // From U-Boot | ||
37 | 32-bit; | ||
38 | linux,phandle = <201>; | ||
39 | linux,boot-cpu; | ||
40 | }; | ||
41 | }; | ||
42 | |||
43 | memory { | ||
44 | device_type = "memory"; | ||
45 | linux,phandle = <300>; | ||
46 | reg = <00000000 20000000 // DDR2 512M at 0 | ||
47 | >; | ||
48 | }; | ||
49 | |||
50 | tsi108@c0000000 { | ||
51 | #address-cells = <1>; | ||
52 | #size-cells = <1>; | ||
53 | #interrupt-cells = <2>; | ||
54 | device_type = "tsi-bridge"; | ||
55 | ranges = <00000000 c0000000 00010000>; | ||
56 | reg = <c0000000 00010000>; | ||
57 | bus-frequency = <0>; | ||
58 | |||
59 | i2c@7000 { | ||
60 | interrupt-parent = <7400>; | ||
61 | interrupts = <E 0>; | ||
62 | reg = <7000 400>; | ||
63 | device_type = "i2c"; | ||
64 | compatible = "tsi-i2c"; | ||
65 | }; | ||
66 | |||
67 | mdio@6000 { | ||
68 | device_type = "mdio"; | ||
69 | compatible = "tsi-ethernet"; | ||
70 | |||
71 | ethernet-phy@6000 { | ||
72 | linux,phandle = <6000>; | ||
73 | interrupt-parent = <7400>; | ||
74 | interrupts = <2 1>; | ||
75 | reg = <6000 50>; | ||
76 | phy-id = <8>; | ||
77 | device_type = "ethernet-phy"; | ||
78 | }; | ||
79 | |||
80 | ethernet-phy@6400 { | ||
81 | linux,phandle = <6400>; | ||
82 | interrupt-parent = <7400>; | ||
83 | interrupts = <2 1>; | ||
84 | reg = <6000 50>; | ||
85 | phy-id = <9>; | ||
86 | device_type = "ethernet-phy"; | ||
87 | }; | ||
88 | |||
89 | }; | ||
90 | |||
91 | ethernet@6200 { | ||
92 | #size-cells = <0>; | ||
93 | device_type = "network"; | ||
94 | model = "TSI-ETH"; | ||
95 | compatible = "tsi-ethernet"; | ||
96 | reg = <6000 200>; | ||
97 | address = [ 00 06 D2 00 00 01 ]; | ||
98 | interrupts = <10 2>; | ||
99 | interrupt-parent = <7400>; | ||
100 | phy-handle = <6000>; | ||
101 | }; | ||
102 | |||
103 | ethernet@6600 { | ||
104 | #address-cells = <1>; | ||
105 | #size-cells = <0>; | ||
106 | device_type = "network"; | ||
107 | model = "TSI-ETH"; | ||
108 | compatible = "tsi-ethernet"; | ||
109 | reg = <6400 200>; | ||
110 | address = [ 00 06 D2 00 00 02 ]; | ||
111 | interrupts = <11 2>; | ||
112 | interrupt-parent = <7400>; | ||
113 | phy-handle = <6400>; | ||
114 | }; | ||
115 | |||
116 | serial@7808 { | ||
117 | device_type = "serial"; | ||
118 | compatible = "ns16550"; | ||
119 | reg = <7808 200>; | ||
120 | clock-frequency = <3f6b5a00>; | ||
121 | interrupts = <c 0>; | ||
122 | interrupt-parent = <7400>; | ||
123 | }; | ||
124 | |||
125 | serial@7c08 { | ||
126 | device_type = "serial"; | ||
127 | compatible = "ns16550"; | ||
128 | reg = <7c08 200>; | ||
129 | clock-frequency = <3f6b5a00>; | ||
130 | interrupts = <d 0>; | ||
131 | interrupt-parent = <7400>; | ||
132 | }; | ||
133 | |||
134 | pic@7400 { | ||
135 | linux,phandle = <7400>; | ||
136 | clock-frequency = <0>; | ||
137 | interrupt-controller; | ||
138 | #address-cells = <0>; | ||
139 | #interrupt-cells = <2>; | ||
140 | reg = <7400 400>; | ||
141 | built-in; | ||
142 | compatible = "chrp,open-pic"; | ||
143 | device_type = "open-pic"; | ||
144 | big-endian; | ||
145 | }; | ||
146 | pci@1000 { | ||
147 | compatible = "tsi10x"; | ||
148 | device_type = "pci"; | ||
149 | linux,phandle = <1000>; | ||
150 | #interrupt-cells = <1>; | ||
151 | #size-cells = <2>; | ||
152 | #address-cells = <3>; | ||
153 | reg = <1000 1000>; | ||
154 | bus-range = <0 0>; | ||
155 | ranges = <02000000 0 e0000000 e0000000 0 1A000000 | ||
156 | 01000000 0 00000000 fa000000 0 00010000>; | ||
157 | clock-frequency = <7f28154>; | ||
158 | interrupt-parent = <7400>; | ||
159 | interrupts = <17 2>; | ||
160 | interrupt-map-mask = <f800 0 0 7>; | ||
161 | interrupt-map = < | ||
162 | |||
163 | /* IDSEL 0x11 */ | ||
164 | 0800 0 0 1 7400 24 0 | ||
165 | 0800 0 0 2 7400 25 0 | ||
166 | 0800 0 0 3 7400 26 0 | ||
167 | 0800 0 0 4 7400 27 0 | ||
168 | |||
169 | /* IDSEL 0x12 */ | ||
170 | 1000 0 0 1 7400 25 0 | ||
171 | 1000 0 0 2 7400 26 0 | ||
172 | 1000 0 0 3 7400 27 0 | ||
173 | 1000 0 0 4 7400 24 0 | ||
174 | |||
175 | /* IDSEL 0x13 */ | ||
176 | 1800 0 0 1 7400 26 0 | ||
177 | 1800 0 0 2 7400 27 0 | ||
178 | 1800 0 0 3 7400 24 0 | ||
179 | 1800 0 0 4 7400 25 0 | ||
180 | |||
181 | /* IDSEL 0x14 */ | ||
182 | 2000 0 0 1 7400 27 0 | ||
183 | 2000 0 0 2 7400 24 0 | ||
184 | 2000 0 0 3 7400 25 0 | ||
185 | 2000 0 0 4 7400 26 0 | ||
186 | >; | ||
187 | }; | ||
188 | }; | ||
189 | |||
190 | }; | ||
diff --git a/arch/powerpc/boot/dts/mpc8349emds.dts b/arch/powerpc/boot/dts/mpc8349emds.dts new file mode 100644 index 000000000000..efceb3432653 --- /dev/null +++ b/arch/powerpc/boot/dts/mpc8349emds.dts | |||
@@ -0,0 +1,328 @@ | |||
1 | /* | ||
2 | * MPC8349E MDS Device Tree Source | ||
3 | * | ||
4 | * Copyright 2005, 2006 Freescale Semiconductor Inc. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation; either version 2 of the License, or (at your | ||
9 | * option) any later version. | ||
10 | */ | ||
11 | |||
12 | / { | ||
13 | model = "MPC8349EMDS"; | ||
14 | compatible = "MPC834xMDS"; | ||
15 | #address-cells = <1>; | ||
16 | #size-cells = <1>; | ||
17 | |||
18 | cpus { | ||
19 | #cpus = <1>; | ||
20 | #address-cells = <1>; | ||
21 | #size-cells = <0>; | ||
22 | |||
23 | PowerPC,8349@0 { | ||
24 | device_type = "cpu"; | ||
25 | reg = <0>; | ||
26 | d-cache-line-size = <20>; // 32 bytes | ||
27 | i-cache-line-size = <20>; // 32 bytes | ||
28 | d-cache-size = <8000>; // L1, 32K | ||
29 | i-cache-size = <8000>; // L1, 32K | ||
30 | timebase-frequency = <0>; // from bootloader | ||
31 | bus-frequency = <0>; // from bootloader | ||
32 | clock-frequency = <0>; // from bootloader | ||
33 | 32-bit; | ||
34 | }; | ||
35 | }; | ||
36 | |||
37 | memory { | ||
38 | device_type = "memory"; | ||
39 | reg = <00000000 10000000>; // 256MB at 0 | ||
40 | }; | ||
41 | |||
42 | soc8349@e0000000 { | ||
43 | #address-cells = <1>; | ||
44 | #size-cells = <1>; | ||
45 | #interrupt-cells = <2>; | ||
46 | device_type = "soc"; | ||
47 | ranges = <0 e0000000 00100000>; | ||
48 | reg = <e0000000 00000200>; | ||
49 | bus-frequency = <0>; | ||
50 | |||
51 | wdt@200 { | ||
52 | device_type = "watchdog"; | ||
53 | compatible = "mpc83xx_wdt"; | ||
54 | reg = <200 100>; | ||
55 | }; | ||
56 | |||
57 | i2c@3000 { | ||
58 | device_type = "i2c"; | ||
59 | compatible = "fsl-i2c"; | ||
60 | reg = <3000 100>; | ||
61 | interrupts = <e 8>; | ||
62 | interrupt-parent = <700>; | ||
63 | dfsrr; | ||
64 | }; | ||
65 | |||
66 | i2c@3100 { | ||
67 | device_type = "i2c"; | ||
68 | compatible = "fsl-i2c"; | ||
69 | reg = <3100 100>; | ||
70 | interrupts = <f 8>; | ||
71 | interrupt-parent = <700>; | ||
72 | dfsrr; | ||
73 | }; | ||
74 | |||
75 | spi@7000 { | ||
76 | device_type = "spi"; | ||
77 | compatible = "mpc83xx_spi"; | ||
78 | reg = <7000 1000>; | ||
79 | interrupts = <10 8>; | ||
80 | interrupt-parent = <700>; | ||
81 | mode = <0>; | ||
82 | }; | ||
83 | |||
84 | /* phy type (ULPI or SERIAL) are only types supportted for MPH */ | ||
85 | /* port = 0 or 1 */ | ||
86 | usb@22000 { | ||
87 | device_type = "usb"; | ||
88 | compatible = "fsl-usb2-mph"; | ||
89 | reg = <22000 1000>; | ||
90 | #address-cells = <1>; | ||
91 | #size-cells = <0>; | ||
92 | interrupt-parent = <700>; | ||
93 | interrupts = <27 2>; | ||
94 | phy_type = "ulpi"; | ||
95 | port1; | ||
96 | }; | ||
97 | /* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */ | ||
98 | usb@23000 { | ||
99 | device_type = "usb"; | ||
100 | compatible = "fsl-usb2-dr"; | ||
101 | reg = <23000 1000>; | ||
102 | #address-cells = <1>; | ||
103 | #size-cells = <0>; | ||
104 | interrupt-parent = <700>; | ||
105 | interrupts = <26 2>; | ||
106 | phy_type = "ulpi"; | ||
107 | }; | ||
108 | |||
109 | mdio@24520 { | ||
110 | device_type = "mdio"; | ||
111 | compatible = "gianfar"; | ||
112 | reg = <24520 20>; | ||
113 | #address-cells = <1>; | ||
114 | #size-cells = <0>; | ||
115 | linux,phandle = <24520>; | ||
116 | ethernet-phy@0 { | ||
117 | linux,phandle = <2452000>; | ||
118 | interrupt-parent = <700>; | ||
119 | interrupts = <11 2>; | ||
120 | reg = <0>; | ||
121 | device_type = "ethernet-phy"; | ||
122 | }; | ||
123 | ethernet-phy@1 { | ||
124 | linux,phandle = <2452001>; | ||
125 | interrupt-parent = <700>; | ||
126 | interrupts = <12 2>; | ||
127 | reg = <1>; | ||
128 | device_type = "ethernet-phy"; | ||
129 | }; | ||
130 | }; | ||
131 | |||
132 | ethernet@24000 { | ||
133 | device_type = "network"; | ||
134 | model = "TSEC"; | ||
135 | compatible = "gianfar"; | ||
136 | reg = <24000 1000>; | ||
137 | address = [ 00 00 00 00 00 00 ]; | ||
138 | local-mac-address = [ 00 00 00 00 00 00 ]; | ||
139 | interrupts = <20 8 21 8 22 8>; | ||
140 | interrupt-parent = <700>; | ||
141 | phy-handle = <2452000>; | ||
142 | }; | ||
143 | |||
144 | ethernet@25000 { | ||
145 | #address-cells = <1>; | ||
146 | #size-cells = <0>; | ||
147 | device_type = "network"; | ||
148 | model = "TSEC"; | ||
149 | compatible = "gianfar"; | ||
150 | reg = <25000 1000>; | ||
151 | address = [ 00 00 00 00 00 00 ]; | ||
152 | local-mac-address = [ 00 00 00 00 00 00 ]; | ||
153 | interrupts = <23 8 24 8 25 8>; | ||
154 | interrupt-parent = <700>; | ||
155 | phy-handle = <2452001>; | ||
156 | }; | ||
157 | |||
158 | serial@4500 { | ||
159 | device_type = "serial"; | ||
160 | compatible = "ns16550"; | ||
161 | reg = <4500 100>; | ||
162 | clock-frequency = <0>; | ||
163 | interrupts = <9 8>; | ||
164 | interrupt-parent = <700>; | ||
165 | }; | ||
166 | |||
167 | serial@4600 { | ||
168 | device_type = "serial"; | ||
169 | compatible = "ns16550"; | ||
170 | reg = <4600 100>; | ||
171 | clock-frequency = <0>; | ||
172 | interrupts = <a 8>; | ||
173 | interrupt-parent = <700>; | ||
174 | }; | ||
175 | |||
176 | pci@8500 { | ||
177 | interrupt-map-mask = <f800 0 0 7>; | ||
178 | interrupt-map = < | ||
179 | |||
180 | /* IDSEL 0x11 */ | ||
181 | 8800 0 0 1 700 14 8 | ||
182 | 8800 0 0 2 700 15 8 | ||
183 | 8800 0 0 3 700 16 8 | ||
184 | 8800 0 0 4 700 17 8 | ||
185 | |||
186 | /* IDSEL 0x12 */ | ||
187 | 9000 0 0 1 700 16 8 | ||
188 | 9000 0 0 2 700 17 8 | ||
189 | 9000 0 0 3 700 14 8 | ||
190 | 9000 0 0 4 700 15 8 | ||
191 | |||
192 | /* IDSEL 0x13 */ | ||
193 | 9800 0 0 1 700 17 8 | ||
194 | 9800 0 0 2 700 14 8 | ||
195 | 9800 0 0 3 700 15 8 | ||
196 | 9800 0 0 4 700 16 8 | ||
197 | |||
198 | /* IDSEL 0x15 */ | ||
199 | a800 0 0 1 700 14 8 | ||
200 | a800 0 0 2 700 15 8 | ||
201 | a800 0 0 3 700 16 8 | ||
202 | a800 0 0 4 700 17 8 | ||
203 | |||
204 | /* IDSEL 0x16 */ | ||
205 | b000 0 0 1 700 17 8 | ||
206 | b000 0 0 2 700 14 8 | ||
207 | b000 0 0 3 700 15 8 | ||
208 | b000 0 0 4 700 16 8 | ||
209 | |||
210 | /* IDSEL 0x17 */ | ||
211 | b800 0 0 1 700 16 8 | ||
212 | b800 0 0 2 700 17 8 | ||
213 | b800 0 0 3 700 14 8 | ||
214 | b800 0 0 4 700 15 8 | ||
215 | |||
216 | /* IDSEL 0x18 */ | ||
217 | c000 0 0 1 700 15 8 | ||
218 | c000 0 0 2 700 16 8 | ||
219 | c000 0 0 3 700 17 8 | ||
220 | c000 0 0 4 700 14 8>; | ||
221 | interrupt-parent = <700>; | ||
222 | interrupts = <42 8>; | ||
223 | bus-range = <0 0>; | ||
224 | ranges = <02000000 0 a0000000 a0000000 0 10000000 | ||
225 | 42000000 0 80000000 80000000 0 10000000 | ||
226 | 01000000 0 00000000 e2000000 0 00100000>; | ||
227 | clock-frequency = <3f940aa>; | ||
228 | #interrupt-cells = <1>; | ||
229 | #size-cells = <2>; | ||
230 | #address-cells = <3>; | ||
231 | reg = <8500 100>; | ||
232 | compatible = "83xx"; | ||
233 | device_type = "pci"; | ||
234 | }; | ||
235 | |||
236 | pci@8600 { | ||
237 | interrupt-map-mask = <f800 0 0 7>; | ||
238 | interrupt-map = < | ||
239 | |||
240 | /* IDSEL 0x11 */ | ||
241 | 8800 0 0 1 700 14 8 | ||
242 | 8800 0 0 2 700 15 8 | ||
243 | 8800 0 0 3 700 16 8 | ||
244 | 8800 0 0 4 700 17 8 | ||
245 | |||
246 | /* IDSEL 0x12 */ | ||
247 | 9000 0 0 1 700 16 8 | ||
248 | 9000 0 0 2 700 17 8 | ||
249 | 9000 0 0 3 700 14 8 | ||
250 | 9000 0 0 4 700 15 8 | ||
251 | |||
252 | /* IDSEL 0x13 */ | ||
253 | 9800 0 0 1 700 17 8 | ||
254 | 9800 0 0 2 700 14 8 | ||
255 | 9800 0 0 3 700 15 8 | ||
256 | 9800 0 0 4 700 16 8 | ||
257 | |||
258 | /* IDSEL 0x15 */ | ||
259 | a800 0 0 1 700 14 8 | ||
260 | a800 0 0 2 700 15 8 | ||
261 | a800 0 0 3 700 16 8 | ||
262 | a800 0 0 4 700 17 8 | ||
263 | |||
264 | /* IDSEL 0x16 */ | ||
265 | b000 0 0 1 700 17 8 | ||
266 | b000 0 0 2 700 14 8 | ||
267 | b000 0 0 3 700 15 8 | ||
268 | b000 0 0 4 700 16 8 | ||
269 | |||
270 | /* IDSEL 0x17 */ | ||
271 | b800 0 0 1 700 16 8 | ||
272 | b800 0 0 2 700 17 8 | ||
273 | b800 0 0 3 700 14 8 | ||
274 | b800 0 0 4 700 15 8 | ||
275 | |||
276 | /* IDSEL 0x18 */ | ||
277 | c000 0 0 1 700 15 8 | ||
278 | c000 0 0 2 700 16 8 | ||
279 | c000 0 0 3 700 17 8 | ||
280 | c000 0 0 4 700 14 8>; | ||
281 | interrupt-parent = <700>; | ||
282 | interrupts = <42 8>; | ||
283 | bus-range = <0 0>; | ||
284 | ranges = <02000000 0 b0000000 b0000000 0 10000000 | ||
285 | 42000000 0 90000000 90000000 0 10000000 | ||
286 | 01000000 0 00000000 e2100000 0 00100000>; | ||
287 | clock-frequency = <3f940aa>; | ||
288 | #interrupt-cells = <1>; | ||
289 | #size-cells = <2>; | ||
290 | #address-cells = <3>; | ||
291 | reg = <8600 100>; | ||
292 | compatible = "83xx"; | ||
293 | device_type = "pci"; | ||
294 | }; | ||
295 | |||
296 | /* May need to remove if on a part without crypto engine */ | ||
297 | crypto@30000 { | ||
298 | device_type = "crypto"; | ||
299 | model = "SEC2"; | ||
300 | compatible = "talitos"; | ||
301 | reg = <30000 10000>; | ||
302 | interrupts = <b 8>; | ||
303 | interrupt-parent = <700>; | ||
304 | num-channels = <4>; | ||
305 | channel-fifo-len = <18>; | ||
306 | exec-units-mask = <0000007e>; | ||
307 | /* desc mask is for rev2.0, | ||
308 | * we need runtime fixup for >2.0 */ | ||
309 | descriptor-types-mask = <01010ebf>; | ||
310 | }; | ||
311 | |||
312 | /* IPIC | ||
313 | * interrupts cell = <intr #, sense> | ||
314 | * sense values match linux IORESOURCE_IRQ_* defines: | ||
315 | * sense == 8: Level, low assertion | ||
316 | * sense == 2: Edge, high-to-low change | ||
317 | */ | ||
318 | pic@700 { | ||
319 | linux,phandle = <700>; | ||
320 | interrupt-controller; | ||
321 | #address-cells = <0>; | ||
322 | #interrupt-cells = <2>; | ||
323 | reg = <700 100>; | ||
324 | built-in; | ||
325 | device_type = "ipic"; | ||
326 | }; | ||
327 | }; | ||
328 | }; | ||
diff --git a/arch/powerpc/boot/flatdevtree.h b/arch/powerpc/boot/flatdevtree.h new file mode 100644 index 000000000000..761c8dc84008 --- /dev/null +++ b/arch/powerpc/boot/flatdevtree.h | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or modify | ||
3 | * it under the terms of the GNU General Public License as published by | ||
4 | * the Free Software Foundation; either version 2 of the License, or | ||
5 | * (at your option) any later version. | ||
6 | * | ||
7 | * This program is distributed in the hope that it will be useful, | ||
8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
10 | * GNU General Public License for more details. | ||
11 | * | ||
12 | * You should have received a copy of the GNU General Public License | ||
13 | * along with this program; if not, write to the Free Software | ||
14 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
15 | */ | ||
16 | |||
17 | #ifndef FLATDEVTREE_H | ||
18 | #define FLATDEVTREE_H | ||
19 | |||
20 | #include "types.h" | ||
21 | |||
22 | /* Definitions used by the flattened device tree */ | ||
23 | #define OF_DT_HEADER 0xd00dfeed /* marker */ | ||
24 | #define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ | ||
25 | #define OF_DT_END_NODE 0x2 /* End node */ | ||
26 | #define OF_DT_PROP 0x3 /* Property: name off, size, content */ | ||
27 | #define OF_DT_NOP 0x4 /* nop */ | ||
28 | #define OF_DT_END 0x9 | ||
29 | |||
30 | #define OF_DT_VERSION 0x10 | ||
31 | |||
32 | struct boot_param_header { | ||
33 | u32 magic; /* magic word OF_DT_HEADER */ | ||
34 | u32 totalsize; /* total size of DT block */ | ||
35 | u32 off_dt_struct; /* offset to structure */ | ||
36 | u32 off_dt_strings; /* offset to strings */ | ||
37 | u32 off_mem_rsvmap; /* offset to memory reserve map */ | ||
38 | u32 version; /* format version */ | ||
39 | u32 last_comp_version; /* last compatible version */ | ||
40 | /* version 2 fields below */ | ||
41 | u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ | ||
42 | /* version 3 fields below */ | ||
43 | u32 dt_strings_size; /* size of the DT strings block */ | ||
44 | }; | ||
45 | |||
46 | #endif /* FLATDEVTREE_H */ | ||
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index b66634c9ea34..d719bb9333d1 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c | |||
@@ -14,17 +14,12 @@ | |||
14 | #include "page.h" | 14 | #include "page.h" |
15 | #include "string.h" | 15 | #include "string.h" |
16 | #include "stdio.h" | 16 | #include "stdio.h" |
17 | #include "prom.h" | ||
18 | #include "zlib.h" | 17 | #include "zlib.h" |
18 | #include "ops.h" | ||
19 | #include "flatdevtree.h" | ||
19 | 20 | ||
20 | extern void flush_cache(void *, unsigned long); | 21 | extern void flush_cache(void *, unsigned long); |
21 | 22 | ||
22 | |||
23 | /* Value picked to match that used by yaboot */ | ||
24 | #define PROG_START 0x01400000 /* only used on 64-bit systems */ | ||
25 | #define RAM_END (512<<20) /* Fixme: use OF */ | ||
26 | #define ONE_MB 0x100000 | ||
27 | |||
28 | extern char _start[]; | 23 | extern char _start[]; |
29 | extern char __bss_start[]; | 24 | extern char __bss_start[]; |
30 | extern char _end[]; | 25 | extern char _end[]; |
@@ -33,14 +28,6 @@ extern char _vmlinux_end[]; | |||
33 | extern char _initrd_start[]; | 28 | extern char _initrd_start[]; |
34 | extern char _initrd_end[]; | 29 | extern char _initrd_end[]; |
35 | 30 | ||
36 | /* A buffer that may be edited by tools operating on a zImage binary so as to | ||
37 | * edit the command line passed to vmlinux (by setting /chosen/bootargs). | ||
38 | * The buffer is put in it's own section so that tools may locate it easier. | ||
39 | */ | ||
40 | static char builtin_cmdline[512] | ||
41 | __attribute__((section("__builtin_cmdline"))); | ||
42 | |||
43 | |||
44 | struct addr_range { | 31 | struct addr_range { |
45 | unsigned long addr; | 32 | unsigned long addr; |
46 | unsigned long size; | 33 | unsigned long size; |
@@ -51,21 +38,16 @@ static struct addr_range vmlinuz; | |||
51 | static struct addr_range initrd; | 38 | static struct addr_range initrd; |
52 | 39 | ||
53 | static unsigned long elfoffset; | 40 | static unsigned long elfoffset; |
41 | static int is_64bit; | ||
54 | 42 | ||
55 | static char scratch[46912]; /* scratch space for gunzip, from zlib_inflate_workspacesize() */ | 43 | /* scratch space for gunzip; 46912 is from zlib_inflate_workspacesize() */ |
44 | static char scratch[46912]; | ||
56 | static char elfheader[256]; | 45 | static char elfheader[256]; |
57 | 46 | ||
58 | 47 | typedef void (*kernel_entry_t)(unsigned long, unsigned long, void *); | |
59 | typedef void (*kernel_entry_t)( unsigned long, | ||
60 | unsigned long, | ||
61 | void *, | ||
62 | void *); | ||
63 | |||
64 | 48 | ||
65 | #undef DEBUG | 49 | #undef DEBUG |
66 | 50 | ||
67 | static unsigned long claim_base; | ||
68 | |||
69 | #define HEAD_CRC 2 | 51 | #define HEAD_CRC 2 |
70 | #define EXTRA_FIELD 4 | 52 | #define EXTRA_FIELD 4 |
71 | #define ORIG_NAME 8 | 53 | #define ORIG_NAME 8 |
@@ -123,24 +105,6 @@ static void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp) | |||
123 | zlib_inflateEnd(&s); | 105 | zlib_inflateEnd(&s); |
124 | } | 106 | } |
125 | 107 | ||
126 | static unsigned long try_claim(unsigned long size) | ||
127 | { | ||
128 | unsigned long addr = 0; | ||
129 | |||
130 | for(; claim_base < RAM_END; claim_base += ONE_MB) { | ||
131 | #ifdef DEBUG | ||
132 | printf(" trying: 0x%08lx\n\r", claim_base); | ||
133 | #endif | ||
134 | addr = (unsigned long)claim(claim_base, size, 0); | ||
135 | if ((void *)addr != (void *)-1) | ||
136 | break; | ||
137 | } | ||
138 | if (addr == 0) | ||
139 | return 0; | ||
140 | claim_base = PAGE_ALIGN(claim_base + size); | ||
141 | return addr; | ||
142 | } | ||
143 | |||
144 | static int is_elf64(void *hdr) | 108 | static int is_elf64(void *hdr) |
145 | { | 109 | { |
146 | Elf64_Ehdr *elf64 = hdr; | 110 | Elf64_Ehdr *elf64 = hdr; |
@@ -169,16 +133,7 @@ static int is_elf64(void *hdr) | |||
169 | vmlinux.size = (unsigned long)elf64ph->p_filesz + elfoffset; | 133 | vmlinux.size = (unsigned long)elf64ph->p_filesz + elfoffset; |
170 | vmlinux.memsize = (unsigned long)elf64ph->p_memsz + elfoffset; | 134 | vmlinux.memsize = (unsigned long)elf64ph->p_memsz + elfoffset; |
171 | 135 | ||
172 | #if defined(PROG_START) | 136 | is_64bit = 1; |
173 | /* | ||
174 | * Maintain a "magic" minimum address. This keeps some older | ||
175 | * firmware platforms running. | ||
176 | */ | ||
177 | |||
178 | if (claim_base < PROG_START) | ||
179 | claim_base = PROG_START; | ||
180 | #endif | ||
181 | |||
182 | return 1; | 137 | return 1; |
183 | } | 138 | } |
184 | 139 | ||
@@ -212,47 +167,9 @@ static int is_elf32(void *hdr) | |||
212 | return 1; | 167 | return 1; |
213 | } | 168 | } |
214 | 169 | ||
215 | void export_cmdline(void* chosen_handle) | 170 | static void prep_kernel(unsigned long *a1, unsigned long *a2) |
216 | { | ||
217 | int len; | ||
218 | char cmdline[2] = { 0, 0 }; | ||
219 | |||
220 | if (builtin_cmdline[0] == 0) | ||
221 | return; | ||
222 | |||
223 | len = getprop(chosen_handle, "bootargs", cmdline, sizeof(cmdline)); | ||
224 | if (len > 0 && cmdline[0] != 0) | ||
225 | return; | ||
226 | |||
227 | setprop(chosen_handle, "bootargs", builtin_cmdline, | ||
228 | strlen(builtin_cmdline) + 1); | ||
229 | } | ||
230 | |||
231 | |||
232 | void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) | ||
233 | { | 171 | { |
234 | int len; | 172 | int len; |
235 | kernel_entry_t kernel_entry; | ||
236 | |||
237 | memset(__bss_start, 0, _end - __bss_start); | ||
238 | |||
239 | prom = (int (*)(void *)) promptr; | ||
240 | chosen_handle = finddevice("/chosen"); | ||
241 | if (chosen_handle == (void *) -1) | ||
242 | exit(); | ||
243 | if (getprop(chosen_handle, "stdout", &stdout, sizeof(stdout)) != 4) | ||
244 | exit(); | ||
245 | |||
246 | printf("\n\rzImage starting: loaded at 0x%p (sp: 0x%p)\n\r", _start, sp); | ||
247 | |||
248 | /* | ||
249 | * The first available claim_base must be above the end of the | ||
250 | * the loaded kernel wrapper file (_start to _end includes the | ||
251 | * initrd image if it is present) and rounded up to a nice | ||
252 | * 1 MB boundary for good measure. | ||
253 | */ | ||
254 | |||
255 | claim_base = _ALIGN_UP((unsigned long)_end, ONE_MB); | ||
256 | 173 | ||
257 | vmlinuz.addr = (unsigned long)_vmlinux_start; | 174 | vmlinuz.addr = (unsigned long)_vmlinux_start; |
258 | vmlinuz.size = (unsigned long)(_vmlinux_end - _vmlinux_start); | 175 | vmlinuz.size = (unsigned long)(_vmlinux_end - _vmlinux_start); |
@@ -263,43 +180,51 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) | |||
263 | gunzip(elfheader, sizeof(elfheader), | 180 | gunzip(elfheader, sizeof(elfheader), |
264 | (unsigned char *)vmlinuz.addr, &len); | 181 | (unsigned char *)vmlinuz.addr, &len); |
265 | } else | 182 | } else |
266 | memcpy(elfheader, (const void *)vmlinuz.addr, sizeof(elfheader)); | 183 | memcpy(elfheader, (const void *)vmlinuz.addr, |
184 | sizeof(elfheader)); | ||
267 | 185 | ||
268 | if (!is_elf64(elfheader) && !is_elf32(elfheader)) { | 186 | if (!is_elf64(elfheader) && !is_elf32(elfheader)) { |
269 | printf("Error: not a valid PPC32 or PPC64 ELF file!\n\r"); | 187 | printf("Error: not a valid PPC32 or PPC64 ELF file!\n\r"); |
270 | exit(); | 188 | exit(); |
271 | } | 189 | } |
190 | if (platform_ops.image_hdr) | ||
191 | platform_ops.image_hdr(elfheader); | ||
272 | 192 | ||
273 | /* We need to claim the memsize plus the file offset since gzip | 193 | /* We need to alloc the memsize plus the file offset since gzip |
274 | * will expand the header (file offset), then the kernel, then | 194 | * will expand the header (file offset), then the kernel, then |
275 | * possible rubbish we don't care about. But the kernel bss must | 195 | * possible rubbish we don't care about. But the kernel bss must |
276 | * be claimed (it will be zero'd by the kernel itself) | 196 | * be claimed (it will be zero'd by the kernel itself) |
277 | */ | 197 | */ |
278 | printf("Allocating 0x%lx bytes for kernel ...\n\r", vmlinux.memsize); | 198 | printf("Allocating 0x%lx bytes for kernel ...\n\r", vmlinux.memsize); |
279 | vmlinux.addr = try_claim(vmlinux.memsize); | 199 | vmlinux.addr = (unsigned long)malloc(vmlinux.memsize); |
280 | if (vmlinux.addr == 0) { | 200 | if (vmlinux.addr == 0) { |
281 | printf("Can't allocate memory for kernel image !\n\r"); | 201 | printf("Can't allocate memory for kernel image !\n\r"); |
282 | exit(); | 202 | exit(); |
283 | } | 203 | } |
284 | 204 | ||
285 | /* | 205 | /* |
286 | * Now we try to claim memory for the initrd (and copy it there) | 206 | * Now we try to alloc memory for the initrd (and copy it there) |
287 | */ | 207 | */ |
288 | initrd.size = (unsigned long)(_initrd_end - _initrd_start); | 208 | initrd.size = (unsigned long)(_initrd_end - _initrd_start); |
289 | initrd.memsize = initrd.size; | 209 | initrd.memsize = initrd.size; |
290 | if ( initrd.size > 0 ) { | 210 | if ( initrd.size > 0 ) { |
291 | printf("Allocating 0x%lx bytes for initrd ...\n\r", initrd.size); | 211 | printf("Allocating 0x%lx bytes for initrd ...\n\r", |
292 | initrd.addr = try_claim(initrd.size); | 212 | initrd.size); |
213 | initrd.addr = (unsigned long)malloc((u32)initrd.size); | ||
293 | if (initrd.addr == 0) { | 214 | if (initrd.addr == 0) { |
294 | printf("Can't allocate memory for initial ramdisk !\n\r"); | 215 | printf("Can't allocate memory for initial " |
216 | "ramdisk !\n\r"); | ||
295 | exit(); | 217 | exit(); |
296 | } | 218 | } |
297 | a1 = initrd.addr; | 219 | *a1 = initrd.addr; |
298 | a2 = initrd.size; | 220 | *a2 = initrd.size; |
299 | printf("initial ramdisk moving 0x%lx <- 0x%lx (0x%lx bytes)\n\r", | 221 | printf("initial ramdisk moving 0x%lx <- 0x%lx " |
300 | initrd.addr, (unsigned long)_initrd_start, initrd.size); | 222 | "(0x%lx bytes)\n\r", initrd.addr, |
301 | memmove((void *)initrd.addr, (void *)_initrd_start, initrd.size); | 223 | (unsigned long)_initrd_start, initrd.size); |
302 | printf("initrd head: 0x%lx\n\r", *((unsigned long *)initrd.addr)); | 224 | memmove((void *)initrd.addr, (void *)_initrd_start, |
225 | initrd.size); | ||
226 | printf("initrd head: 0x%lx\n\r", | ||
227 | *((unsigned long *)initrd.addr)); | ||
303 | } | 228 | } |
304 | 229 | ||
305 | /* Eventually gunzip the kernel */ | 230 | /* Eventually gunzip the kernel */ |
@@ -311,11 +236,10 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) | |||
311 | (unsigned char *)vmlinuz.addr, &len); | 236 | (unsigned char *)vmlinuz.addr, &len); |
312 | printf("done 0x%lx bytes\n\r", len); | 237 | printf("done 0x%lx bytes\n\r", len); |
313 | } else { | 238 | } else { |
314 | memmove((void *)vmlinux.addr,(void *)vmlinuz.addr,vmlinuz.size); | 239 | memmove((void *)vmlinux.addr,(void *)vmlinuz.addr, |
240 | vmlinuz.size); | ||
315 | } | 241 | } |
316 | 242 | ||
317 | export_cmdline(chosen_handle); | ||
318 | |||
319 | /* Skip over the ELF header */ | 243 | /* Skip over the ELF header */ |
320 | #ifdef DEBUG | 244 | #ifdef DEBUG |
321 | printf("... skipping 0x%lx bytes of ELF header\n\r", | 245 | printf("... skipping 0x%lx bytes of ELF header\n\r", |
@@ -324,23 +248,107 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) | |||
324 | vmlinux.addr += elfoffset; | 248 | vmlinux.addr += elfoffset; |
325 | 249 | ||
326 | flush_cache((void *)vmlinux.addr, vmlinux.size); | 250 | flush_cache((void *)vmlinux.addr, vmlinux.size); |
251 | } | ||
327 | 252 | ||
328 | kernel_entry = (kernel_entry_t)vmlinux.addr; | 253 | void __attribute__ ((weak)) ft_init(void *dt_blob) |
329 | #ifdef DEBUG | 254 | { |
330 | printf( "kernel:\n\r" | 255 | } |
331 | " entry addr = 0x%lx\n\r" | ||
332 | " a1 = 0x%lx,\n\r" | ||
333 | " a2 = 0x%lx,\n\r" | ||
334 | " prom = 0x%lx,\n\r" | ||
335 | " bi_recs = 0x%lx,\n\r", | ||
336 | (unsigned long)kernel_entry, a1, a2, | ||
337 | (unsigned long)prom, NULL); | ||
338 | #endif | ||
339 | 256 | ||
340 | kernel_entry(a1, a2, prom, NULL); | 257 | /* A buffer that may be edited by tools operating on a zImage binary so as to |
258 | * edit the command line passed to vmlinux (by setting /chosen/bootargs). | ||
259 | * The buffer is put in it's own section so that tools may locate it easier. | ||
260 | */ | ||
261 | static char builtin_cmdline[COMMAND_LINE_SIZE] | ||
262 | __attribute__((__section__("__builtin_cmdline"))); | ||
341 | 263 | ||
342 | printf("Error: Linux kernel returned to zImage bootloader!\n\r"); | 264 | static void get_cmdline(char *buf, int size) |
265 | { | ||
266 | void *devp; | ||
267 | int len = strlen(builtin_cmdline); | ||
343 | 268 | ||
344 | exit(); | 269 | buf[0] = '\0'; |
270 | |||
271 | if (len > 0) { /* builtin_cmdline overrides dt's /chosen/bootargs */ | ||
272 | len = min(len, size-1); | ||
273 | strncpy(buf, builtin_cmdline, len); | ||
274 | buf[len] = '\0'; | ||
275 | } | ||
276 | else if ((devp = finddevice("/chosen"))) | ||
277 | getprop(devp, "bootargs", buf, size); | ||
278 | } | ||
279 | |||
280 | static void set_cmdline(char *buf) | ||
281 | { | ||
282 | void *devp; | ||
283 | |||
284 | if ((devp = finddevice("/chosen"))) | ||
285 | setprop(devp, "bootargs", buf, strlen(buf) + 1); | ||
345 | } | 286 | } |
346 | 287 | ||
288 | /* Section where ft can be tacked on after zImage is built */ | ||
289 | union blobspace { | ||
290 | struct boot_param_header hdr; | ||
291 | char space[8*1024]; | ||
292 | } dt_blob __attribute__((__section__("__builtin_ft"))); | ||
293 | |||
294 | struct platform_ops platform_ops; | ||
295 | struct dt_ops dt_ops; | ||
296 | struct console_ops console_ops; | ||
297 | |||
298 | void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) | ||
299 | { | ||
300 | int have_dt = 0; | ||
301 | kernel_entry_t kentry; | ||
302 | char cmdline[COMMAND_LINE_SIZE]; | ||
303 | |||
304 | memset(__bss_start, 0, _end - __bss_start); | ||
305 | memset(&platform_ops, 0, sizeof(platform_ops)); | ||
306 | memset(&dt_ops, 0, sizeof(dt_ops)); | ||
307 | memset(&console_ops, 0, sizeof(console_ops)); | ||
308 | |||
309 | /* Override the dt_ops and device tree if there was an flat dev | ||
310 | * tree attached to the zImage. | ||
311 | */ | ||
312 | if (dt_blob.hdr.magic == OF_DT_HEADER) { | ||
313 | have_dt = 1; | ||
314 | ft_init(&dt_blob); | ||
315 | } | ||
316 | |||
317 | if (platform_init(promptr)) | ||
318 | exit(); | ||
319 | if (console_ops.open && (console_ops.open() < 0)) | ||
320 | exit(); | ||
321 | if (platform_ops.fixups) | ||
322 | platform_ops.fixups(); | ||
323 | |||
324 | printf("\n\rzImage starting: loaded at 0x%p (sp: 0x%p)\n\r", | ||
325 | _start, sp); | ||
326 | |||
327 | prep_kernel(&a1, &a2); | ||
328 | |||
329 | /* If cmdline came from zimage wrapper or if we can edit the one | ||
330 | * in the dt, print it out and edit it, if possible. | ||
331 | */ | ||
332 | if ((strlen(builtin_cmdline) > 0) || console_ops.edit_cmdline) { | ||
333 | get_cmdline(cmdline, COMMAND_LINE_SIZE); | ||
334 | printf("\n\rLinux/PowerPC load: %s", cmdline); | ||
335 | if (console_ops.edit_cmdline) | ||
336 | console_ops.edit_cmdline(cmdline, COMMAND_LINE_SIZE); | ||
337 | printf("\n\r"); | ||
338 | set_cmdline(cmdline); | ||
339 | } | ||
340 | |||
341 | if (console_ops.close) | ||
342 | console_ops.close(); | ||
343 | |||
344 | kentry = (kernel_entry_t) vmlinux.addr; | ||
345 | if (have_dt) | ||
346 | kentry(dt_ops.ft_addr(), 0, NULL); | ||
347 | else | ||
348 | /* XXX initrd addr/size should be passed in properties */ | ||
349 | kentry(a1, a2, promptr); | ||
350 | |||
351 | /* console closed so printf below may not work */ | ||
352 | printf("Error: Linux kernel returned to zImage boot wrapper!\n\r"); | ||
353 | exit(); | ||
354 | } | ||
diff --git a/arch/powerpc/boot/prom.c b/arch/powerpc/boot/of.c index fa0057736f6b..fd99f789a37b 100644 --- a/arch/powerpc/boot/prom.c +++ b/arch/powerpc/boot/of.c | |||
@@ -8,15 +8,29 @@ | |||
8 | */ | 8 | */ |
9 | #include <stdarg.h> | 9 | #include <stdarg.h> |
10 | #include <stddef.h> | 10 | #include <stddef.h> |
11 | #include "types.h" | ||
12 | #include "elf.h" | ||
11 | #include "string.h" | 13 | #include "string.h" |
12 | #include "stdio.h" | 14 | #include "stdio.h" |
13 | #include "prom.h" | 15 | #include "page.h" |
16 | #include "ops.h" | ||
14 | 17 | ||
15 | int (*prom)(void *); | 18 | typedef void *ihandle; |
16 | phandle chosen_handle; | 19 | typedef void *phandle; |
17 | ihandle stdout; | ||
18 | 20 | ||
19 | int call_prom(const char *service, int nargs, int nret, ...) | 21 | extern char _end[]; |
22 | |||
23 | /* Value picked to match that used by yaboot */ | ||
24 | #define PROG_START 0x01400000 /* only used on 64-bit systems */ | ||
25 | #define RAM_END (512<<20) /* Fixme: use OF */ | ||
26 | #define ONE_MB 0x100000 | ||
27 | |||
28 | int (*prom) (void *); | ||
29 | |||
30 | |||
31 | static unsigned long claim_base; | ||
32 | |||
33 | static int call_prom(const char *service, int nargs, int nret, ...) | ||
20 | { | 34 | { |
21 | int i; | 35 | int i; |
22 | struct prom_args { | 36 | struct prom_args { |
@@ -45,7 +59,7 @@ int call_prom(const char *service, int nargs, int nret, ...) | |||
45 | return (nret > 0)? args.args[nargs]: 0; | 59 | return (nret > 0)? args.args[nargs]: 0; |
46 | } | 60 | } |
47 | 61 | ||
48 | int call_prom_ret(const char *service, int nargs, int nret, | 62 | static int call_prom_ret(const char *service, int nargs, int nret, |
49 | unsigned int *rets, ...) | 63 | unsigned int *rets, ...) |
50 | { | 64 | { |
51 | int i; | 65 | int i; |
@@ -79,11 +93,6 @@ int call_prom_ret(const char *service, int nargs, int nret, | |||
79 | return (nret > 0)? args.args[nargs]: 0; | 93 | return (nret > 0)? args.args[nargs]: 0; |
80 | } | 94 | } |
81 | 95 | ||
82 | int write(void *handle, void *ptr, int nb) | ||
83 | { | ||
84 | return call_prom("write", 3, 1, handle, ptr, nb); | ||
85 | } | ||
86 | |||
87 | /* | 96 | /* |
88 | * Older OF's require that when claiming a specific range of addresses, | 97 | * Older OF's require that when claiming a specific range of addresses, |
89 | * we claim the physical space in the /memory node and the virtual | 98 | * we claim the physical space in the /memory node and the virtual |
@@ -142,7 +151,7 @@ static int check_of_version(void) | |||
142 | return 1; | 151 | return 1; |
143 | } | 152 | } |
144 | 153 | ||
145 | void *claim(unsigned long virt, unsigned long size, unsigned long align) | 154 | static void *claim(unsigned long virt, unsigned long size, unsigned long align) |
146 | { | 155 | { |
147 | int ret; | 156 | int ret; |
148 | unsigned int result; | 157 | unsigned int result; |
@@ -151,7 +160,7 @@ void *claim(unsigned long virt, unsigned long size, unsigned long align) | |||
151 | need_map = check_of_version(); | 160 | need_map = check_of_version(); |
152 | if (align || !need_map) | 161 | if (align || !need_map) |
153 | return (void *) call_prom("claim", 3, 1, virt, size, align); | 162 | return (void *) call_prom("claim", 3, 1, virt, size, align); |
154 | 163 | ||
155 | ret = call_prom_ret("call-method", 5, 2, &result, "claim", memory, | 164 | ret = call_prom_ret("call-method", 5, 2, &result, "claim", memory, |
156 | align, size, virt); | 165 | align, size, virt); |
157 | if (ret != 0 || result == -1) | 166 | if (ret != 0 || result == -1) |
@@ -163,3 +172,112 @@ void *claim(unsigned long virt, unsigned long size, unsigned long align) | |||
163 | 0x12, size, virt, virt); | 172 | 0x12, size, virt, virt); |
164 | return (void *) virt; | 173 | return (void *) virt; |
165 | } | 174 | } |
175 | |||
176 | static void *of_try_claim(u32 size) | ||
177 | { | ||
178 | unsigned long addr = 0; | ||
179 | static u8 first_time = 1; | ||
180 | |||
181 | if (first_time) { | ||
182 | claim_base = _ALIGN_UP((unsigned long)_end, ONE_MB); | ||
183 | first_time = 0; | ||
184 | } | ||
185 | |||
186 | for(; claim_base < RAM_END; claim_base += ONE_MB) { | ||
187 | #ifdef DEBUG | ||
188 | printf(" trying: 0x%08lx\n\r", claim_base); | ||
189 | #endif | ||
190 | addr = (unsigned long)claim(claim_base, size, 0); | ||
191 | if ((void *)addr != (void *)-1) | ||
192 | break; | ||
193 | } | ||
194 | if (addr == 0) | ||
195 | return NULL; | ||
196 | claim_base = PAGE_ALIGN(claim_base + size); | ||
197 | return (void *)addr; | ||
198 | } | ||
199 | |||
200 | static void of_image_hdr(const void *hdr) | ||
201 | { | ||
202 | const Elf64_Ehdr *elf64 = hdr; | ||
203 | |||
204 | if (elf64->e_ident[EI_CLASS] == ELFCLASS64) { | ||
205 | /* | ||
206 | * Maintain a "magic" minimum address. This keeps some older | ||
207 | * firmware platforms running. | ||
208 | */ | ||
209 | if (claim_base < PROG_START) | ||
210 | claim_base = PROG_START; | ||
211 | } | ||
212 | } | ||
213 | |||
214 | static void of_exit(void) | ||
215 | { | ||
216 | call_prom("exit", 0, 0); | ||
217 | } | ||
218 | |||
219 | /* | ||
220 | * OF device tree routines | ||
221 | */ | ||
222 | static void *of_finddevice(const char *name) | ||
223 | { | ||
224 | return (phandle) call_prom("finddevice", 1, 1, name); | ||
225 | } | ||
226 | |||
227 | static int of_getprop(const void *phandle, const char *name, void *buf, | ||
228 | const int buflen) | ||
229 | { | ||
230 | return call_prom("getprop", 4, 1, phandle, name, buf, buflen); | ||
231 | } | ||
232 | |||
233 | static int of_setprop(const void *phandle, const char *name, const void *buf, | ||
234 | const int buflen) | ||
235 | { | ||
236 | return call_prom("setprop", 4, 1, phandle, name, buf, buflen); | ||
237 | } | ||
238 | |||
239 | /* | ||
240 | * OF console routines | ||
241 | */ | ||
242 | static void *of_stdout_handle; | ||
243 | |||
244 | static int of_console_open(void) | ||
245 | { | ||
246 | void *devp; | ||
247 | |||
248 | if (((devp = finddevice("/chosen")) != NULL) | ||
249 | && (getprop(devp, "stdout", &of_stdout_handle, | ||
250 | sizeof(of_stdout_handle)) | ||
251 | == sizeof(of_stdout_handle))) | ||
252 | return 0; | ||
253 | |||
254 | return -1; | ||
255 | } | ||
256 | |||
257 | static void of_console_write(char *buf, int len) | ||
258 | { | ||
259 | call_prom("write", 3, 1, of_stdout_handle, buf, len); | ||
260 | } | ||
261 | |||
262 | int platform_init(void *promptr) | ||
263 | { | ||
264 | platform_ops.fixups = NULL; | ||
265 | platform_ops.image_hdr = of_image_hdr; | ||
266 | platform_ops.malloc = of_try_claim; | ||
267 | platform_ops.free = NULL; | ||
268 | platform_ops.exit = of_exit; | ||
269 | |||
270 | dt_ops.finddevice = of_finddevice; | ||
271 | dt_ops.getprop = of_getprop; | ||
272 | dt_ops.setprop = of_setprop; | ||
273 | dt_ops.translate_addr = NULL; | ||
274 | |||
275 | console_ops.open = of_console_open; | ||
276 | console_ops.write = of_console_write; | ||
277 | console_ops.edit_cmdline = NULL; | ||
278 | console_ops.close = NULL; | ||
279 | console_ops.data = NULL; | ||
280 | |||
281 | prom = (int (*)(void *))promptr; | ||
282 | return 0; | ||
283 | } | ||
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h new file mode 100644 index 000000000000..135eb4bb03b4 --- /dev/null +++ b/arch/powerpc/boot/ops.h | |||
@@ -0,0 +1,100 @@ | |||
1 | /* | ||
2 | * Global definition of all the bootwrapper operations. | ||
3 | * | ||
4 | * Author: Mark A. Greer <mgreer@mvista.com> | ||
5 | * | ||
6 | * 2006 (c) MontaVista Software, Inc. This file is licensed under | ||
7 | * the terms of the GNU General Public License version 2. This program | ||
8 | * is licensed "as is" without any warranty of any kind, whether express | ||
9 | * or implied. | ||
10 | */ | ||
11 | #ifndef _PPC_BOOT_OPS_H_ | ||
12 | #define _PPC_BOOT_OPS_H_ | ||
13 | |||
14 | #include "types.h" | ||
15 | |||
16 | #define COMMAND_LINE_SIZE 512 | ||
17 | #define MAX_PATH_LEN 256 | ||
18 | #define MAX_PROP_LEN 256 /* What should this be? */ | ||
19 | |||
20 | /* Platform specific operations */ | ||
21 | struct platform_ops { | ||
22 | void (*fixups)(void); | ||
23 | void (*image_hdr)(const void *); | ||
24 | void * (*malloc)(u32 size); | ||
25 | void (*free)(void *ptr, u32 size); | ||
26 | void (*exit)(void); | ||
27 | }; | ||
28 | extern struct platform_ops platform_ops; | ||
29 | |||
30 | /* Device Tree operations */ | ||
31 | struct dt_ops { | ||
32 | void * (*finddevice)(const char *name); | ||
33 | int (*getprop)(const void *node, const char *name, void *buf, | ||
34 | const int buflen); | ||
35 | int (*setprop)(const void *node, const char *name, | ||
36 | const void *buf, const int buflen); | ||
37 | u64 (*translate_addr)(const char *path, const u32 *in_addr, | ||
38 | const u32 addr_len); | ||
39 | unsigned long (*ft_addr)(void); | ||
40 | }; | ||
41 | extern struct dt_ops dt_ops; | ||
42 | |||
43 | /* Console operations */ | ||
44 | struct console_ops { | ||
45 | int (*open)(void); | ||
46 | void (*write)(char *buf, int len); | ||
47 | void (*edit_cmdline)(char *buf, int len); | ||
48 | void (*close)(void); | ||
49 | void *data; | ||
50 | }; | ||
51 | extern struct console_ops console_ops; | ||
52 | |||
53 | /* Serial console operations */ | ||
54 | struct serial_console_data { | ||
55 | int (*open)(void); | ||
56 | void (*putc)(unsigned char c); | ||
57 | unsigned char (*getc)(void); | ||
58 | u8 (*tstc)(void); | ||
59 | void (*close)(void); | ||
60 | }; | ||
61 | |||
62 | extern int platform_init(void *promptr); | ||
63 | extern void simple_alloc_init(void); | ||
64 | extern void ft_init(void *dt_blob); | ||
65 | extern int serial_console_init(void); | ||
66 | |||
67 | static inline void *finddevice(const char *name) | ||
68 | { | ||
69 | return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL; | ||
70 | } | ||
71 | |||
72 | static inline int getprop(void *devp, const char *name, void *buf, int buflen) | ||
73 | { | ||
74 | return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1; | ||
75 | } | ||
76 | |||
77 | static inline int setprop(void *devp, const char *name, void *buf, int buflen) | ||
78 | { | ||
79 | return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1; | ||
80 | } | ||
81 | |||
82 | static inline void *malloc(u32 size) | ||
83 | { | ||
84 | return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; | ||
85 | } | ||
86 | |||
87 | static inline void free(void *ptr, u32 size) | ||
88 | { | ||
89 | if (platform_ops.free) | ||
90 | platform_ops.free(ptr, size); | ||
91 | } | ||
92 | |||
93 | static inline void exit(void) | ||
94 | { | ||
95 | if (platform_ops.exit) | ||
96 | platform_ops.exit(); | ||
97 | for(;;); | ||
98 | } | ||
99 | |||
100 | #endif /* _PPC_BOOT_OPS_H_ */ | ||
diff --git a/arch/powerpc/boot/prom.h b/arch/powerpc/boot/prom.h deleted file mode 100644 index a57b184c564f..000000000000 --- a/arch/powerpc/boot/prom.h +++ /dev/null | |||
@@ -1,41 +0,0 @@ | |||
1 | #ifndef _PPC_BOOT_PROM_H_ | ||
2 | #define _PPC_BOOT_PROM_H_ | ||
3 | |||
4 | typedef void *phandle; | ||
5 | typedef void *ihandle; | ||
6 | |||
7 | extern int (*prom) (void *); | ||
8 | extern phandle chosen_handle; | ||
9 | extern ihandle stdout; | ||
10 | |||
11 | int call_prom(const char *service, int nargs, int nret, ...); | ||
12 | int call_prom_ret(const char *service, int nargs, int nret, | ||
13 | unsigned int *rets, ...); | ||
14 | |||
15 | extern int write(void *handle, void *ptr, int nb); | ||
16 | extern void *claim(unsigned long virt, unsigned long size, unsigned long aln); | ||
17 | |||
18 | static inline void exit(void) | ||
19 | { | ||
20 | call_prom("exit", 0, 0); | ||
21 | } | ||
22 | |||
23 | static inline phandle finddevice(const char *name) | ||
24 | { | ||
25 | return (phandle) call_prom("finddevice", 1, 1, name); | ||
26 | } | ||
27 | |||
28 | static inline int getprop(void *phandle, const char *name, | ||
29 | void *buf, int buflen) | ||
30 | { | ||
31 | return call_prom("getprop", 4, 1, phandle, name, buf, buflen); | ||
32 | } | ||
33 | |||
34 | |||
35 | static inline int setprop(void *phandle, const char *name, | ||
36 | void *buf, int buflen) | ||
37 | { | ||
38 | return call_prom("setprop", 4, 1, phandle, name, buf, buflen); | ||
39 | } | ||
40 | |||
41 | #endif /* _PPC_BOOT_PROM_H_ */ | ||
diff --git a/arch/powerpc/boot/stdio.c b/arch/powerpc/boot/stdio.c index b5aa522f8b77..6d5f6382e1ce 100644 --- a/arch/powerpc/boot/stdio.c +++ b/arch/powerpc/boot/stdio.c | |||
@@ -10,7 +10,7 @@ | |||
10 | #include <stddef.h> | 10 | #include <stddef.h> |
11 | #include "string.h" | 11 | #include "string.h" |
12 | #include "stdio.h" | 12 | #include "stdio.h" |
13 | #include "prom.h" | 13 | #include "ops.h" |
14 | 14 | ||
15 | size_t strnlen(const char * s, size_t count) | 15 | size_t strnlen(const char * s, size_t count) |
16 | { | 16 | { |
@@ -320,6 +320,6 @@ printf(const char *fmt, ...) | |||
320 | va_start(args, fmt); | 320 | va_start(args, fmt); |
321 | n = vsprintf(sprint_buf, fmt, args); | 321 | n = vsprintf(sprint_buf, fmt, args); |
322 | va_end(args); | 322 | va_end(args); |
323 | write(stdout, sprint_buf, n); | 323 | console_ops.write(sprint_buf, n); |
324 | return n; | 324 | return n; |
325 | } | 325 | } |
diff --git a/arch/powerpc/boot/stdio.h b/arch/powerpc/boot/stdio.h index eb9e16c87aef..73b8a91bfb34 100644 --- a/arch/powerpc/boot/stdio.h +++ b/arch/powerpc/boot/stdio.h | |||
@@ -1,8 +1,16 @@ | |||
1 | #ifndef _PPC_BOOT_STDIO_H_ | 1 | #ifndef _PPC_BOOT_STDIO_H_ |
2 | #define _PPC_BOOT_STDIO_H_ | 2 | #define _PPC_BOOT_STDIO_H_ |
3 | 3 | ||
4 | #include <stdarg.h> | ||
5 | |||
6 | #define ENOMEM 12 /* Out of Memory */ | ||
7 | #define EINVAL 22 /* Invalid argument */ | ||
8 | #define ENOSPC 28 /* No space left on device */ | ||
9 | |||
4 | extern int printf(const char *fmt, ...); | 10 | extern int printf(const char *fmt, ...); |
5 | 11 | ||
12 | #define fprintf(fmt, args...) printf(args) | ||
13 | |||
6 | extern int sprintf(char *buf, const char *fmt, ...); | 14 | extern int sprintf(char *buf, const char *fmt, ...); |
7 | 15 | ||
8 | extern int vsprintf(char *buf, const char *fmt, va_list args); | 16 | extern int vsprintf(char *buf, const char *fmt, va_list args); |
diff --git a/arch/powerpc/boot/types.h b/arch/powerpc/boot/types.h new file mode 100644 index 000000000000..79d26e708677 --- /dev/null +++ b/arch/powerpc/boot/types.h | |||
@@ -0,0 +1,23 @@ | |||
1 | #ifndef _TYPES_H_ | ||
2 | #define _TYPES_H_ | ||
3 | |||
4 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) | ||
5 | |||
6 | typedef unsigned char u8; | ||
7 | typedef unsigned short u16; | ||
8 | typedef unsigned int u32; | ||
9 | typedef unsigned long long u64; | ||
10 | |||
11 | #define min(x,y) ({ \ | ||
12 | typeof(x) _x = (x); \ | ||
13 | typeof(y) _y = (y); \ | ||
14 | (void) (&_x == &_y); \ | ||
15 | _x < _y ? _x : _y; }) | ||
16 | |||
17 | #define max(x,y) ({ \ | ||
18 | typeof(x) _x = (x); \ | ||
19 | typeof(y) _y = (y); \ | ||
20 | (void) (&_x == &_y); \ | ||
21 | _x > _y ? _x : _y; }) | ||
22 | |||
23 | #endif /* _TYPES_H_ */ | ||