Root/target/linux/ppc40x/patches-3.6/004-magicbox.patch

1--- /dev/null
2+++ b/arch/powerpc/boot/cuboot-magicbox.c
3@@ -0,0 +1,98 @@
4+/*
5+ * Old U-boot compatibility for Magicbox boards
6+ *
7+ * Author: Imre Kaloz <kaloz@openwrt.org>
8+ * Gabor Juhos <juhosg@openwrt.org>
9+ *
10+ * This program is free software; you can redistribute it and/or modify it
11+ * under the terms of the GNU General Public License version 2 as published
12+ * by the Free Software Foundation.
13+ */
14+
15+#include "ops.h"
16+#include "io.h"
17+#include "dcr.h"
18+#include "stdio.h"
19+#include "4xx.h"
20+#include "44x.h"
21+#include "cuboot.h"
22+
23+#define TARGET_4xx
24+#define TARGET_405EP
25+#include "ppcboot.h"
26+
27+static bd_t bd;
28+
29+static void fixup_perwe(void)
30+{
31+
32+#define DCRN_CPC0_PCI_BASE 0xf9
33+
34+ /* Turn on PerWE instead of PCIINT */
35+ mtdcr(DCRN_CPC0_PCI_BASE,
36+ mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
37+
38+#undef DCRN_CPC0_PCI_BASE
39+}
40+
41+static void fixup_cf_card(void)
42+{
43+
44+#define CF_CS0_BASE 0xff100000
45+#define CF_CS1_BASE 0xff200000
46+
47+ /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
48+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
49+ mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BS_1M |
50+ EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
51+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
52+ mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
53+
54+ /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
55+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
56+ mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BS_1M |
57+ EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
58+ mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
59+ mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
60+
61+#undef CF_CS0_BASE
62+#undef CF_CS1_BASE
63+}
64+
65+static void magicbox_fixups(void)
66+{
67+ ibm405ep_fixup_clocks(bd.bi_procfreq / 8);
68+ ibm4xx_sdram_fixup_memsize();
69+
70+ /* Magicbox v1 has only one ethernet, one serial and no
71+ * CF slot -- detect it using it's fake enet1addr
72+ */
73+ if ((bd.bi_enet1addr[2] == 0x02) &&
74+ (bd.bi_enet1addr[3] == 0xfa) &&
75+ (bd.bi_enet1addr[4] == 0xf0) &&
76+ (bd.bi_enet1addr[5] == 0x80)) {
77+ void *devp;
78+ devp = finddevice("/plb/opb/ethernet@ef600900");
79+ del_node(devp);
80+ devp = finddevice("/plb/opb/serial@ef600400");
81+ del_node(devp);
82+ devp = finddevice("/plb/ebc/cf_card@ff100000");
83+ del_node(devp);
84+
85+ } else {
86+ fixup_perwe();
87+ fixup_cf_card();
88+ }
89+
90+ dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
91+}
92+
93+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
94+ unsigned long r6, unsigned long r7)
95+{
96+ CUBOOT_INIT();
97+ platform_ops.fixups = magicbox_fixups;
98+ platform_ops.exit = ibm40x_dbcr_reset;
99+ fdt_init(_dtb_start);
100+ serial_console_init();
101+}
102--- /dev/null
103+++ b/arch/powerpc/boot/dts/magicbox.dts
104@@ -0,0 +1,285 @@
105+/*
106+ * Device Tree Source for Magicbox boards
107+ *
108+ * Copyright 2008-2009 Imre Kaloz <kaloz@openwrt.org>
109+ * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
110+ *
111+ * Based on walnut.dts
112+ *
113+ * This file is licensed under the terms of the GNU General Public
114+ * License version 2. This program is licensed "as is" without
115+ * any warranty of any kind, whether express or implied.
116+ */
117+
118+/dts-v1/;
119+
120+/ {
121+ #address-cells = <1>;
122+ #size-cells = <1>;
123+ model = "magicbox";
124+ compatible = "magicbox";
125+ dcr-parent = <&{/cpus/cpu@0}>;
126+
127+ aliases {
128+ ethernet0 = &EMAC0;
129+ ethernet1 = &EMAC1;
130+ serial0 = &UART0;
131+ serial1 = &UART1;
132+ };
133+
134+ cpus {
135+ #address-cells = <1>;
136+ #size-cells = <0>;
137+
138+ cpu@0 {
139+ device_type = "cpu";
140+ model = "PowerPC,405EP";
141+ reg = <0x00000000>;
142+ clock-frequency = <0>; /* Filled in by zImage */
143+ timebase-frequency = <0>; /* Filled in by zImage */
144+ i-cache-line-size = <0x20>;
145+ d-cache-line-size = <0x20>;
146+ i-cache-size = <0x4000>;
147+ d-cache-size = <0x4000>;
148+ dcr-controller;
149+ dcr-access-method = "native";
150+ };
151+ };
152+
153+ memory {
154+ device_type = "memory";
155+ reg = <0x00000000 0x00000000>; /* Filled in by zImage */
156+ };
157+
158+ UIC0: interrupt-controller {
159+ compatible = "ibm,uic";
160+ interrupt-controller;
161+ cell-index = <0>;
162+ dcr-reg = <0x0c0 0x009>;
163+ #address-cells = <0>;
164+ #size-cells = <0>;
165+ #interrupt-cells = <2>;
166+ };
167+
168+ plb {
169+ compatible = "ibm,plb3";
170+ #address-cells = <1>;
171+ #size-cells = <1>;
172+ ranges;
173+ clock-frequency = <0>; /* Filled in by zImage */
174+
175+ SDRAM0: memory-controller {
176+ compatible = "ibm,sdram-405ep";
177+ dcr-reg = <0x010 0x002>;
178+ };
179+
180+ MAL: mcmal {
181+ compatible = "ibm,mcmal-405ep", "ibm,mcmal";
182+ dcr-reg = <0x180 0x062>;
183+ num-tx-chans = <4>;
184+ num-rx-chans = <2>;
185+ interrupt-parent = <&UIC0>;
186+ interrupts = <
187+ 0xb 0x4 /* TXEOB */
188+ 0xc 0x4 /* RXEOB */
189+ 0xa 0x4 /* SERR */
190+ 0xd 0x4 /* TXDE */
191+ 0xe 0x4 /* RXDE */>;
192+ };
193+
194+ POB0: opb {
195+ compatible = "ibm,opb-405ep", "ibm,opb";
196+ #address-cells = <1>;
197+ #size-cells = <1>;
198+ ranges = <0xef600000 0xef600000 0x00a00000>;
199+ dcr-reg = <0x0a0 0x005>;
200+ clock-frequency = <0>; /* Filled in by zImage */
201+
202+ UART0: serial@ef600300 {
203+ device_type = "serial";
204+ compatible = "ns16550";
205+ reg = <0xef600300 0x00000008>;
206+ virtual-reg = <0xef600300>;
207+ clock-frequency = <0>; /* Filled in by zImage */
208+ current-speed = <115200>;
209+ interrupt-parent = <&UIC0>;
210+ interrupts = <0x0 0x4>;
211+ };
212+
213+ UART1: serial@ef600400 {
214+ device_type = "serial";
215+ compatible = "ns16550";
216+ reg = <0xef600400 0x00000008>;
217+ virtual-reg = <0xef600400>;
218+ clock-frequency = <0>; /* Filled in by zImage */
219+ current-speed = <115200>;
220+ interrupt-parent = <&UIC0>;
221+ interrupts = <0x1 0x4>;
222+ };
223+
224+ IIC: i2c@ef600500 {
225+ compatible = "ibm,iic-405ep", "ibm,iic";
226+ #address-cells = <1>;
227+ #size-cells = <0>;
228+ reg = <0xef600500 0x00000011>;
229+ interrupt-parent = <&UIC0>;
230+ interrupts = <0x2 0x4>;
231+
232+ dtt@48 {
233+ compatible = "national,lm75";
234+ reg = <0x48>;
235+ };
236+
237+ eeprom@50 {
238+ compatible = "at24,24c16";
239+ reg = <0x50>;
240+ };
241+ };
242+
243+ GPIO0: gpio-controller@ef600700 {
244+ compatible = "ibm,ppc4xx-gpio";
245+ reg = <0xef600700 0x00000020>;
246+ #gpio-cells = <2>;
247+ gpio-controller;
248+ };
249+
250+ EMAC0: ethernet@ef600800 {
251+ linux,network-index = <0x0>;
252+ device_type = "network";
253+ compatible = "ibm,emac-405ep", "ibm,emac";
254+ interrupt-parent = <&UIC0>;
255+ interrupts = <
256+ 0xf 0x4 /* Ethernet */
257+ 0x9 0x4 /* Ethernet Wake Up */>;
258+ local-mac-address = [000000000000]; /* Filled in by zImage */
259+ reg = <0xef600800 0x00000070>;
260+ mal-device = <&MAL>;
261+ mal-tx-channel = <0>;
262+ mal-rx-channel = <0>;
263+ cell-index = <0>;
264+ max-frame-size = <0x5dc>;
265+ rx-fifo-size = <0x1000>;
266+ tx-fifo-size = <0x800>;
267+ phy-mode = "mii";
268+ phy-map = <0x00000000>;
269+ };
270+
271+ EMAC1: ethernet@ef600900 {
272+ linux,network-index = <0x1>;
273+ device_type = "network";
274+ compatible = "ibm,emac-405ep", "ibm,emac";
275+ interrupt-parent = <&UIC0>;
276+ interrupts = <
277+ 0x11 0x4 /* Ethernet */
278+ 0x09 0x4 /* Ethernet Wake Up */>;
279+ local-mac-address = [000000000000]; /* Filled in by zImage */
280+ reg = <0xef600900 0x00000070>;
281+ mal-device = <&MAL>;
282+ mal-tx-channel = <2>;
283+ mal-rx-channel = <1>;
284+ cell-index = <1>;
285+ max-frame-size = <0x5dc>;
286+ rx-fifo-size = <0x1000>;
287+ tx-fifo-size = <0x800>;
288+ mdio-device = <&EMAC0>;
289+ phy-mode = "mii";
290+ phy-map = <0x00000001>;
291+ };
292+
293+ leds {
294+ compatible = "gpio-leds";
295+ user {
296+ label = "magicbox:red:user";
297+ gpios = <&GPIO0 2 1>;
298+ };
299+ };
300+ };
301+
302+ EBC0: ebc {
303+ compatible = "ibm,ebc-405ep", "ibm,ebc";
304+ dcr-reg = <0x012 0x002>;
305+ #address-cells = <2>;
306+ #size-cells = <1>;
307+ /* The ranges property is supplied by the bootwrapper
308+ * and is based on the firmware's configuration of the
309+ * EBC bridge
310+ */
311+ clock-frequency = <0>; /* Filled in by zImage */
312+
313+ cf_card@ff100000 {
314+ compatible = "magicbox-cf", "pata-magicbox-cf";
315+ reg = <0x00000000 0xff100000 0x00001000
316+ 0x00000000 0xff200000 0x00001000>;
317+ interrupt-parent = <&UIC0>;
318+ interrupts = <0x19 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
319+ };
320+
321+ nor_flash@ffc00000 {
322+ compatible = "cfi-flash";
323+ bank-width = <2>;
324+ reg = <0x00000000 0xffc00000 0x00400000>;
325+ #address-cells = <1>;
326+ #size-cells = <1>;
327+ partition0@0 {
328+ label = "linux";
329+ reg = <0x0 0x140000>;
330+ };
331+ partition1@120000 {
332+ label = "rootfs";
333+ reg = <0x140000 0x280000>;
334+ };
335+ partition2@3c0000 {
336+ label = "u-boot";
337+ reg = <0x3c0000 0x30000>;
338+ read-only;
339+ };
340+ partition3@0 {
341+ label = "firmware";
342+ reg = <0x0 0x3c0000>;
343+ };
344+ };
345+ };
346+
347+ PCI0: pci@ec000000 {
348+ device_type = "pci";
349+ #interrupt-cells = <1>;
350+ #size-cells = <2>;
351+ #address-cells = <3>;
352+ compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
353+ primary;
354+ reg = <0xeec00000 0x00000008 /* Config space access */
355+ 0xeed80000 0x00000004 /* IACK */
356+ 0xeed80000 0x00000004 /* Special cycle */
357+ 0xef480000 0x00000040>; /* Internal registers */
358+
359+ /* Outbound ranges, one memory and one IO,
360+ * later cannot be changed. Chip supports a second
361+ * IO range but we don't use it for now
362+ */
363+ ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
364+ 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
365+
366+ /* Inbound 2GB range starting at 0 */
367+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
368+
369+ interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
370+ interrupt-map = <
371+ /* IDSEL 1 */
372+ 0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
373+
374+ /* IDSEL 2 */
375+ 0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
376+
377+ /* IDSEL 3 */
378+ 0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
379+
380+ /* IDSEL 4 */
381+ 0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
382+ >;
383+ };
384+ };
385+
386+ chosen {
387+ linux,stdout-path = "/plb/opb/serial@ef600300";
388+ };
389+};
390--- a/arch/powerpc/boot/Makefile
391+++ b/arch/powerpc/boot/Makefile
392@@ -43,6 +43,7 @@ $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -
393 $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
394 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
395 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
396+$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
397 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
398 $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
399 $(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
400@@ -78,7 +79,8 @@ src-plat-y := of.c
401 src-plat-$(CONFIG_40x) += fixed-head.S ep405.c cuboot-hotfoot.c \
402                 treeboot-walnut.c cuboot-acadia.c \
403                 cuboot-kilauea.c simpleboot.c \
404- virtex405-head.S virtex.c
405+ virtex405-head.S virtex.c \
406+ cuboot-magicbox.c
407 src-plat-$(CONFIG_44x) += treeboot-ebony.c cuboot-ebony.c treeboot-bamboo.c \
408                 cuboot-bamboo.c cuboot-sam440ep.c \
409                 cuboot-sequoia.c cuboot-rainier.c \
410@@ -220,6 +222,7 @@ image-$(CONFIG_HOTFOOT) += cuImage.hot
411 image-$(CONFIG_WALNUT) += treeImage.walnut
412 image-$(CONFIG_ACADIA) += cuImage.acadia
413 image-$(CONFIG_OBS600) += uImage.obs600
414+image-$(CONFIG_MAGICBOX) += cuImage.magicbox
415 
416 # Board ports in arch/powerpc/platform/44x/Kconfig
417 image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
418--- a/arch/powerpc/platforms/40x/Kconfig
419+++ b/arch/powerpc/platforms/40x/Kconfig
420@@ -38,6 +38,16 @@ config KILAUEA
421     help
422       This option enables support for the AMCC PPC405EX evaluation board.
423 
424+config MAGICBOX
425+ bool "Magicbox"
426+ depends on 40x
427+ default n
428+ select PPC40x_SIMPLE
429+ select 405EP
430+ select PCI
431+ help
432+ This option enables support for the Magicbox boards.
433+
434 config MAKALU
435     bool "Makalu"
436     depends on 40x
437--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
438+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
439@@ -58,6 +58,7 @@ static const char *board[] __initdata =
440     "apm,klondike",
441     "est,hotfoot",
442     "plathome,obs600",
443+ "magicbox",
444     NULL
445 };
446 
447

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