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-rw-r--r--arch/powerpc/boot/Makefile5
-rw-r--r--arch/powerpc/boot/dts/currituck.dts237
-rw-r--r--arch/powerpc/boot/treeboot-currituck.c119
-rwxr-xr-xarch/powerpc/boot/wrapper3
-rw-r--r--arch/powerpc/configs/44x/currituck_defconfig110
-rw-r--r--arch/powerpc/platforms/44x/Kconfig10
-rw-r--r--arch/powerpc/platforms/44x/Makefile1
-rw-r--r--arch/powerpc/platforms/44x/currituck.c204
8 files changed, 688 insertions, 1 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 72ee8c1fba48..ff0057fc48c4 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -45,6 +45,7 @@ $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
45$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405 45$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
46$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405 46$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
47$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405 47$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
48$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
48$(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405 49$(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
49 50
50 51
@@ -79,7 +80,8 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
79 cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \ 80 cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
80 virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \ 81 virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
81 cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \ 82 cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \
82 gamecube-head.S gamecube.c wii-head.S wii.c treeboot-iss4xx.c 83 gamecube-head.S gamecube.c wii-head.S wii.c treeboot-iss4xx.c \
84 treeboot-currituck.c
83src-boot := $(src-wlib) $(src-plat) empty.c 85src-boot := $(src-wlib) $(src-plat) empty.c
84 86
85src-boot := $(addprefix $(obj)/, $(src-boot)) 87src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -212,6 +214,7 @@ image-$(CONFIG_WARP) += cuImage.warp
212image-$(CONFIG_YOSEMITE) += cuImage.yosemite 214image-$(CONFIG_YOSEMITE) += cuImage.yosemite
213image-$(CONFIG_ISS4xx) += treeImage.iss4xx \ 215image-$(CONFIG_ISS4xx) += treeImage.iss4xx \
214 treeImage.iss4xx-mpic 216 treeImage.iss4xx-mpic
217image-$(CONFIG_CURRITUCK) += treeImage.currituck
215 218
216# Board ports in arch/powerpc/platform/8xx/Kconfig 219# Board ports in arch/powerpc/platform/8xx/Kconfig
217image-$(CONFIG_MPC86XADS) += cuImage.mpc866ads 220image-$(CONFIG_MPC86XADS) += cuImage.mpc866ads
diff --git a/arch/powerpc/boot/dts/currituck.dts b/arch/powerpc/boot/dts/currituck.dts
new file mode 100644
index 000000000000..b801dd06e573
--- /dev/null
+++ b/arch/powerpc/boot/dts/currituck.dts
@@ -0,0 +1,237 @@
1/*
2 * Device Tree Source for IBM Embedded PPC 476 Platform
3 *
4 * Copyright © 2011 Tony Breeds IBM Corporation
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without
8 * any warranty of any kind, whether express or implied.
9 */
10
11/dts-v1/;
12
13/memreserve/ 0x01f00000 0x00100000; // spin table
14
15/ {
16 #address-cells = <2>;
17 #size-cells = <2>;
18 model = "ibm,currituck";
19 compatible = "ibm,currituck";
20 dcr-parent = <&{/cpus/cpu@0}>;
21
22 aliases {
23 serial0 = &UART0;
24 };
25
26 cpus {
27 #address-cells = <1>;
28 #size-cells = <0>;
29
30 cpu@0 {
31 device_type = "cpu";
32 model = "PowerPC,476";
33 reg = <0>;
34 clock-frequency = <1600000000>; // 1.6 GHz
35 timebase-frequency = <100000000>; // 100Mhz
36 i-cache-line-size = <32>;
37 d-cache-line-size = <32>;
38 i-cache-size = <32768>;
39 d-cache-size = <32768>;
40 dcr-controller;
41 dcr-access-method = "native";
42 status = "ok";
43 };
44 cpu@1 {
45 device_type = "cpu";
46 model = "PowerPC,476";
47 reg = <1>;
48 clock-frequency = <1600000000>; // 1.6 GHz
49 timebase-frequency = <100000000>; // 100Mhz
50 i-cache-line-size = <32>;
51 d-cache-line-size = <32>;
52 i-cache-size = <32768>;
53 d-cache-size = <32768>;
54 dcr-controller;
55 dcr-access-method = "native";
56 status = "disabled";
57 enable-method = "spin-table";
58 cpu-release-addr = <0x0 0x01f00000>;
59 };
60 };
61
62 memory {
63 device_type = "memory";
64 reg = <0x0 0x0 0x0 0x0>; // filled in by zImage
65 };
66
67 MPIC: interrupt-controller {
68 compatible = "chrp,open-pic";
69 interrupt-controller;
70 dcr-reg = <0xffc00000 0x00040000>;
71 #address-cells = <0>;
72 #size-cells = <0>;
73 #interrupt-cells = <2>;
74
75 };
76
77 plb {
78 compatible = "ibm,plb6";
79 #address-cells = <2>;
80 #size-cells = <2>;
81 ranges;
82 clock-frequency = <200000000>; // 200Mhz
83
84 POB0: opb {
85 compatible = "ibm,opb-4xx", "ibm,opb";
86 #address-cells = <1>;
87 #size-cells = <1>;
88 /* Wish there was a nicer way of specifying a full
89 * 32-bit range
90 */
91 ranges = <0x00000000 0x00000200 0x00000000 0x80000000
92 0x80000000 0x00000200 0x80000000 0x80000000>;
93 clock-frequency = <100000000>;
94
95 UART0: serial@10000000 {
96 device_type = "serial";
97 compatible = "ns16750", "ns16550";
98 reg = <0x10000000 0x00000008>;
99 virtual-reg = <0xe1000000>;
100 clock-frequency = <1851851>; // PCIe refclk/MCGC0_CTL[UART]
101 current-speed = <115200>;
102 interrupt-parent = <&MPIC>;
103 interrupts = <34 2>;
104 };
105
106 IIC0: i2c@00000000 {
107 compatible = "ibm,iic-currituck", "ibm,iic";
108 reg = <0x0 0x00000014>;
109 interrupt-parent = <&MPIC>;
110 interrupts = <79 2>;
111 #address-cells = <1>;
112 #size-cells = <0>;
113 rtc@68 {
114 compatible = "stm,m41t80", "m41st85";
115 reg = <0x68>;
116 };
117 };
118 };
119
120 PCIE0: pciex@10100000000 { // 4xGBIF1
121 device_type = "pci";
122 #interrupt-cells = <1>;
123 #size-cells = <2>;
124 #address-cells = <3>;
125 compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
126 primary;
127 port = <0x0>; /* port number */
128 reg = <0x00000101 0x00000000 0x0 0x10000000 /* Config space access */
129 0x00000100 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
130 dcr-reg = <0x80 0x20>;
131
132// pci_space < pci_addr > < cpu_addr > < size >
133 ranges = <0x02000000 0x00000000 0x80000000 0x00000110 0x80000000 0x0 0x80000000
134 0x01000000 0x0 0x0 0x00000140 0x0 0x0 0x00010000>;
135
136 /* Inbound starting at 0 to memsize filled in by zImage */
137 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
138
139 /* This drives busses 0 to 0xf */
140 bus-range = <0x0 0xf>;
141
142 /* Legacy interrupts (note the weird polarity, the bridge seems
143 * to invert PCIe legacy interrupts).
144 * We are de-swizzling here because the numbers are actually for
145 * port of the root complex virtual P2P bridge. But I want
146 * to avoid putting a node for it in the tree, so the numbers
147 * below are basically de-swizzled numbers.
148 * The real slot is on idsel 0, so the swizzling is 1:1
149 */
150 interrupt-map-mask = <0x0 0x0 0x0 0x7>;
151 interrupt-map = <
152 0x0 0x0 0x0 0x1 &MPIC 46 0x2 /* int A */
153 0x0 0x0 0x0 0x2 &MPIC 47 0x2 /* int B */
154 0x0 0x0 0x0 0x3 &MPIC 48 0x2 /* int C */
155 0x0 0x0 0x0 0x4 &MPIC 49 0x2 /* int D */>;
156 };
157
158 PCIE1: pciex@30100000000 { // 4xGBIF0
159 device_type = "pci";
160 #interrupt-cells = <1>;
161 #size-cells = <2>;
162 #address-cells = <3>;
163 compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
164 primary;
165 port = <0x1>; /* port number */
166 reg = <0x00000301 0x00000000 0x0 0x10000000 /* Config space access */
167 0x00000300 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
168 dcr-reg = <0x60 0x20>;
169
170 ranges = <0x02000000 0x00000000 0x80000000 0x00000310 0x80000000 0x0 0x80000000
171 0x01000000 0x0 0x0 0x00000340 0x0 0x0 0x00010000>;
172
173 /* Inbound starting at 0 to memsize filled in by zImage */
174 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
175
176 /* This drives busses 0 to 0xf */
177 bus-range = <0x0 0xf>;
178
179 /* Legacy interrupts (note the weird polarity, the bridge seems
180 * to invert PCIe legacy interrupts).
181 * We are de-swizzling here because the numbers are actually for
182 * port of the root complex virtual P2P bridge. But I want
183 * to avoid putting a node for it in the tree, so the numbers
184 * below are basically de-swizzled numbers.
185 * The real slot is on idsel 0, so the swizzling is 1:1
186 */
187 interrupt-map-mask = <0x0 0x0 0x0 0x7>;
188 interrupt-map = <
189 0x0 0x0 0x0 0x1 &MPIC 38 0x2 /* int A */
190 0x0 0x0 0x0 0x2 &MPIC 39 0x2 /* int B */
191 0x0 0x0 0x0 0x3 &MPIC 40 0x2 /* int C */
192 0x0 0x0 0x0 0x4 &MPIC 41 0x2 /* int D */>;
193 };
194
195 PCIE2: pciex@38100000000 { // 2xGBIF0
196 device_type = "pci";
197 #interrupt-cells = <1>;
198 #size-cells = <2>;
199 #address-cells = <3>;
200 compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
201 primary;
202 port = <0x2>; /* port number */
203 reg = <0x00000381 0x00000000 0x0 0x10000000 /* Config space access */
204 0x00000380 0x00000000 0x0 0x00001000>; /* UTL Registers space access */
205 dcr-reg = <0xA0 0x20>;
206
207 ranges = <0x02000000 0x00000000 0x80000000 0x00000390 0x80000000 0x0 0x80000000
208 0x01000000 0x0 0x0 0x000003C0 0x0 0x0 0x00010000>;
209
210 /* Inbound starting at 0 to memsize filled in by zImage */
211 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
212
213 /* This drives busses 0 to 0xf */
214 bus-range = <0x0 0xf>;
215
216 /* Legacy interrupts (note the weird polarity, the bridge seems
217 * to invert PCIe legacy interrupts).
218 * We are de-swizzling here because the numbers are actually for
219 * port of the root complex virtual P2P bridge. But I want
220 * to avoid putting a node for it in the tree, so the numbers
221 * below are basically de-swizzled numbers.
222 * The real slot is on idsel 0, so the swizzling is 1:1
223 */
224 interrupt-map-mask = <0x0 0x0 0x0 0x7>;
225 interrupt-map = <
226 0x0 0x0 0x0 0x1 &MPIC 54 0x2 /* int A */
227 0x0 0x0 0x0 0x2 &MPIC 55 0x2 /* int B */
228 0x0 0x0 0x0 0x3 &MPIC 56 0x2 /* int C */
229 0x0 0x0 0x0 0x4 &MPIC 57 0x2 /* int D */>;
230 };
231
232 };
233
234 chosen {
235 linux,stdout-path = &UART0;
236 };
237};
diff --git a/arch/powerpc/boot/treeboot-currituck.c b/arch/powerpc/boot/treeboot-currituck.c
new file mode 100644
index 000000000000..925ae43b7467
--- /dev/null
+++ b/arch/powerpc/boot/treeboot-currituck.c
@@ -0,0 +1,119 @@
1/*
2 * Copyright © 2011 Tony Breeds IBM Corporation
3 *
4 * Based on earlier code:
5 * Copyright (C) Paul Mackerras 1997.
6 *
7 * Matt Porter <mporter@kernel.crashing.org>
8 * Copyright 2002-2005 MontaVista Software Inc.
9 *
10 * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
11 * Copyright (c) 2003, 2004 Zultys Technologies
12 *
13 * Copyright 2007 David Gibson, IBM Corporation.
14 * Copyright 2010 Ben. Herrenschmidt, IBM Corporation.
15 * Copyright © 2011 David Kleikamp IBM Corporation
16 *
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License
19 * as published by the Free Software Foundation; either version
20 * 2 of the License, or (at your option) any later version.
21 */
22#include <stdarg.h>
23#include <stddef.h>
24#include "types.h"
25#include "elf.h"
26#include "string.h"
27#include "stdio.h"
28#include "page.h"
29#include "ops.h"
30#include "reg.h"
31#include "io.h"
32#include "dcr.h"
33#include "4xx.h"
34#include "44x.h"
35#include "libfdt.h"
36
37BSS_STACK(4096);
38
39#define MAX_RANKS 0x4
40#define DDR3_MR0CF 0x80010011U
41
42static unsigned long long ibm_currituck_memsize;
43static unsigned long long ibm_currituck_detect_memsize(void)
44{
45 u32 reg;
46 unsigned i;
47 unsigned long long memsize = 0;
48
49 for(i = 0; i < MAX_RANKS; i++){
50 reg = mfdcrx(DDR3_MR0CF + i);
51
52 if (!(reg & 1))
53 continue;
54
55 reg &= 0x0000f000;
56 reg >>= 12;
57 memsize += (0x800000ULL << reg);
58 }
59
60 return memsize;
61}
62
63static void ibm_currituck_fixups(void)
64{
65 void *devp = finddevice("/");
66 u32 dma_ranges[7];
67
68 dt_fixup_memory(0x0ULL, ibm_currituck_memsize);
69
70 while ((devp = find_node_by_devtype(devp, "pci"))) {
71 if (getprop(devp, "dma-ranges", dma_ranges, sizeof(dma_ranges)) < 0) {
72 printf("%s: Failed to get dma-ranges\r\n", __func__);
73 continue;
74 }
75
76 dma_ranges[5] = ibm_currituck_memsize >> 32;
77 dma_ranges[6] = ibm_currituck_memsize & 0xffffffffUL;
78
79 setprop(devp, "dma-ranges", dma_ranges, sizeof(dma_ranges));
80 }
81}
82
83#define SPRN_PIR 0x11E /* Processor Indentification Register */
84void platform_init(void)
85{
86 unsigned long end_of_ram, avail_ram;
87 u32 pir_reg;
88 int node, size;
89 const u32 *timebase;
90
91 ibm_currituck_memsize = ibm_currituck_detect_memsize();
92 if (ibm_currituck_memsize >> 32)
93 end_of_ram = ~0UL;
94 else
95 end_of_ram = ibm_currituck_memsize;
96 avail_ram = end_of_ram - (unsigned long)_end;
97
98 simple_alloc_init(_end, avail_ram, 128, 64);
99 platform_ops.fixups = ibm_currituck_fixups;
100 platform_ops.exit = ibm44x_dbcr_reset;
101 pir_reg = mfspr(SPRN_PIR);
102
103 /* Make sure FDT blob is sane */
104 if (fdt_check_header(_dtb_start) != 0)
105 fatal("Invalid device tree blob\n");
106
107 node = fdt_node_offset_by_prop_value(_dtb_start, -1, "device_type",
108 "cpu", sizeof("cpu"));
109 if (!node)
110 fatal("Cannot find cpu node\n");
111 timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size);
112 if (timebase && (size == 4))
113 timebase_period_ns = 1000000000 / *timebase;
114
115 fdt_set_boot_cpuid_phys(_dtb_start, pir_reg);
116 fdt_init(_dtb_start);
117
118 serial_console_init();
119}
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index c74531af72c0..87f4950f38b1 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -244,6 +244,9 @@ gamecube|wii)
244 link_address='0x600000' 244 link_address='0x600000'
245 platformo="$object/$platform-head.o $object/$platform.o" 245 platformo="$object/$platform-head.o $object/$platform.o"
246 ;; 246 ;;
247treeboot-currituck)
248 link_address='0x1000000'
249 ;;
247treeboot-iss4xx-mpic) 250treeboot-iss4xx-mpic)
248 platformo="$object/treeboot-iss4xx.o" 251 platformo="$object/treeboot-iss4xx.o"
249 ;; 252 ;;
diff --git a/arch/powerpc/configs/44x/currituck_defconfig b/arch/powerpc/configs/44x/currituck_defconfig
new file mode 100644
index 000000000000..4192322f8a7f
--- /dev/null
+++ b/arch/powerpc/configs/44x/currituck_defconfig
@@ -0,0 +1,110 @@
1CONFIG_44x=y
2CONFIG_SMP=y
3CONFIG_EXPERIMENTAL=y
4CONFIG_SYSVIPC=y
5CONFIG_POSIX_MQUEUE=y
6CONFIG_SPARSE_IRQ=y
7CONFIG_LOG_BUF_SHIFT=14
8CONFIG_EXPERT=y
9CONFIG_KALLSYMS_ALL=y
10CONFIG_PROFILING=y
11CONFIG_OPROFILE=y
12CONFIG_MODULES=y
13CONFIG_MODULE_UNLOAD=y
14# CONFIG_BLK_DEV_BSG is not set
15CONFIG_PPC_47x=y
16# CONFIG_EBONY is not set
17CONFIG_CURRITUCK=y
18CONFIG_HIGHMEM=y
19CONFIG_HZ_100=y
20CONFIG_MATH_EMULATION=y
21CONFIG_IRQ_ALL_CPUS=y
22CONFIG_CMDLINE_BOOL=y
23CONFIG_CMDLINE=""
24# CONFIG_SUSPEND is not set
25CONFIG_NET=y
26CONFIG_PACKET=y
27CONFIG_UNIX=y
28CONFIG_INET=y
29CONFIG_IP_PNP=y
30CONFIG_IP_PNP_DHCP=y
31CONFIG_IP_PNP_BOOTP=y
32# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
33# CONFIG_INET_XFRM_MODE_TUNNEL is not set
34# CONFIG_INET_XFRM_MODE_BEET is not set
35# CONFIG_INET_LRO is not set
36# CONFIG_IPV6 is not set
37CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
38CONFIG_DEVTMPFS=y
39CONFIG_DEVTMPFS_MOUNT=y
40CONFIG_CONNECTOR=y
41CONFIG_MTD=y
42CONFIG_MTD_CHAR=y
43CONFIG_MTD_BLOCK=y
44CONFIG_MTD_JEDECPROBE=y
45CONFIG_MTD_CFI_AMDSTD=y
46CONFIG_MTD_PHYSMAP_OF=y
47CONFIG_PROC_DEVICETREE=y
48CONFIG_BLK_DEV_RAM=y
49CONFIG_BLK_DEV_RAM_SIZE=35000
50# CONFIG_SCSI_PROC_FS is not set
51CONFIG_BLK_DEV_SD=y
52# CONFIG_SCSI_LOWLEVEL is not set
53CONFIG_ATA=y
54# CONFIG_SATA_PMP is not set
55CONFIG_SATA_SIL24=y
56# CONFIG_ATA_SFF is not set
57CONFIG_NETDEVICES=y
58CONFIG_E1000E=y
59# CONFIG_NETDEV_10000 is not set
60# CONFIG_INPUT is not set
61# CONFIG_SERIO is not set
62# CONFIG_VT is not set
63CONFIG_SERIAL_8250=y
64CONFIG_SERIAL_8250_CONSOLE=y
65CONFIG_SERIAL_8250_EXTENDED=y
66CONFIG_SERIAL_8250_SHARE_IRQ=y
67CONFIG_SERIAL_OF_PLATFORM=y
68# CONFIG_HW_RANDOM is not set
69CONFIG_I2C=y
70CONFIG_I2C_IBM_IIC=y
71# CONFIG_HWMON is not set
72CONFIG_THERMAL=y
73CONFIG_USB=y
74CONFIG_USB_DEBUG=y
75CONFIG_USB_EHCI_HCD=y
76CONFIG_USB_OHCI_HCD=y
77CONFIG_RTC_CLASS=y
78CONFIG_RTC_DRV_M41T80=y
79CONFIG_EXT2_FS=y
80CONFIG_EXT3_FS=y
81# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
82CONFIG_EXT3_FS_POSIX_ACL=y
83CONFIG_EXT3_FS_SECURITY=y
84CONFIG_PROC_KCORE=y
85CONFIG_TMPFS=y
86CONFIG_CRAMFS=y
87CONFIG_NFS_FS=y
88CONFIG_NFS_V3=y
89CONFIG_NFS_V3_ACL=y
90CONFIG_NFS_V4=y
91CONFIG_NLS_DEFAULT="n"
92CONFIG_MAGIC_SYSRQ=y
93CONFIG_DEBUG_FS=y
94CONFIG_DEBUG_KERNEL=y
95CONFIG_DETECT_HUNG_TASK=y
96CONFIG_DEBUG_INFO=y
97CONFIG_SYSCTL_SYSCALL_CHECK=y
98CONFIG_XMON=y
99CONFIG_XMON_DEFAULT=y
100CONFIG_PPC_EARLY_DEBUG=y
101CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW=0x10000000
102CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH=0x200
103CONFIG_CRYPTO=y
104CONFIG_CRYPTO_CBC=y
105CONFIG_CRYPTO_ECB=y
106CONFIG_CRYPTO_PCBC=y
107CONFIG_CRYPTO_MD5=y
108CONFIG_CRYPTO_DES=y
109# CONFIG_CRYPTO_ANSI_CPRNG is not set
110# CONFIG_CRYPTO_HW is not set
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index f0be6e0b164d..5d5aaf6c91aa 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -186,6 +186,16 @@ config ISS4xx
186 help 186 help
187 This option enables support for the IBM ISS simulation environment 187 This option enables support for the IBM ISS simulation environment
188 188
189config CURRITUCK
190 bool "IBM Currituck (476fpe) Support"
191 depends on PPC_47x
192 default n
193 select SWIOTLB
194 select 476FPE
195 select PPC4xx_PCI_EXPRESS
196 help
197 This option enables support for the IBM Currituck (476fpe) evaluation board
198
189config ICON 199config ICON
190 bool "Icon" 200 bool "Icon"
191 depends on 44x 201 depends on 44x
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 553db6007217..d03833abec09 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -10,3 +10,4 @@ obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
10obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o 10obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o
11obj-$(CONFIG_ISS4xx) += iss4xx.o 11obj-$(CONFIG_ISS4xx) += iss4xx.o
12obj-$(CONFIG_CANYONLANDS)+= canyonlands.o 12obj-$(CONFIG_CANYONLANDS)+= canyonlands.o
13obj-$(CONFIG_CURRITUCK) += currituck.o
diff --git a/arch/powerpc/platforms/44x/currituck.c b/arch/powerpc/platforms/44x/currituck.c
new file mode 100644
index 000000000000..1fdf56916873
--- /dev/null
+++ b/arch/powerpc/platforms/44x/currituck.c
@@ -0,0 +1,204 @@
1/*
2 * Currituck board specific routines
3 *
4 * Copyright © 2011 Tony Breeds IBM Corporation
5 *
6 * Based on earlier code:
7 * Matt Porter <mporter@kernel.crashing.org>
8 * Copyright 2002-2005 MontaVista Software Inc.
9 *
10 * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
11 * Copyright (c) 2003-2005 Zultys Technologies
12 *
13 * Rewritten and ported to the merged powerpc tree:
14 * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
15 * Copyright © 2011 David Kliekamp IBM Corporation
16 *
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the
19 * Free Software Foundation; either version 2 of the License, or (at your
20 * option) any later version.
21 */
22
23#include <linux/init.h>
24#include <linux/memblock.h>
25#include <linux/of.h>
26#include <linux/of_platform.h>
27#include <linux/rtc.h>
28
29#include <asm/machdep.h>
30#include <asm/prom.h>
31#include <asm/udbg.h>
32#include <asm/time.h>
33#include <asm/uic.h>
34#include <asm/ppc4xx.h>
35#include <asm/mpic.h>
36#include <asm/mmu.h>
37
38#include <linux/pci.h>
39
40static __initdata struct of_device_id ppc47x_of_bus[] = {
41 { .compatible = "ibm,plb4", },
42 { .compatible = "ibm,plb6", },
43 { .compatible = "ibm,opb", },
44 { .compatible = "ibm,ebc", },
45 {},
46};
47
48/* The EEPROM is missing and the default values are bogus. This forces USB in
49 * to EHCI mode */
50static void __devinit quirk_ppc_currituck_usb_fixup(struct pci_dev *dev)
51{
52 if (of_machine_is_compatible("ibm,currituck")) {
53 pci_write_config_dword(dev, 0xe0, 0x0114231f);
54 pci_write_config_dword(dev, 0xe4, 0x00006c40);
55 }
56}
57DECLARE_PCI_FIXUP_HEADER(0x1033, 0x0035, quirk_ppc_currituck_usb_fixup);
58
59static int __init ppc47x_device_probe(void)
60{
61 of_platform_bus_probe(NULL, ppc47x_of_bus, NULL);
62
63 return 0;
64}
65machine_device_initcall(ppc47x, ppc47x_device_probe);
66
67/* We can have either UICs or MPICs */
68static void __init ppc47x_init_irq(void)
69{
70 struct device_node *np;
71
72 /* Find top level interrupt controller */
73 for_each_node_with_property(np, "interrupt-controller") {
74 if (of_get_property(np, "interrupts", NULL) == NULL)
75 break;
76 }
77 if (np == NULL)
78 panic("Can't find top level interrupt controller");
79
80 /* Check type and do appropriate initialization */
81 if (of_device_is_compatible(np, "chrp,open-pic")) {
82 /* The MPIC driver will get everything it needs from the
83 * device-tree, just pass 0 to all arguments
84 */
85 struct mpic *mpic =
86 mpic_alloc(np, 0, MPIC_PRIMARY, 0, 0, " MPIC ");
87 BUG_ON(mpic == NULL);
88 mpic_init(mpic);
89 ppc_md.get_irq = mpic_get_irq;
90 } else
91 panic("Unrecognized top level interrupt controller");
92}
93
94#ifdef CONFIG_SMP
95static void __cpuinit smp_ppc47x_setup_cpu(int cpu)
96{
97 mpic_setup_this_cpu();
98}
99
100static int __cpuinit smp_ppc47x_kick_cpu(int cpu)
101{
102 struct device_node *cpunode = of_get_cpu_node(cpu, NULL);
103 const u64 *spin_table_addr_prop;
104 u32 *spin_table;
105 extern void start_secondary_47x(void);
106
107 BUG_ON(cpunode == NULL);
108
109 /* Assume spin table. We could test for the enable-method in
110 * the device-tree but currently there's little point as it's
111 * our only supported method
112 */
113 spin_table_addr_prop =
114 of_get_property(cpunode, "cpu-release-addr", NULL);
115
116 if (spin_table_addr_prop == NULL) {
117 pr_err("CPU%d: Can't start, missing cpu-release-addr !\n",
118 cpu);
119 return 1;
120 }
121
122 /* Assume it's mapped as part of the linear mapping. This is a bit
123 * fishy but will work fine for now
124 *
125 * XXX: Is there any reason to assume differently?
126 */
127 spin_table = (u32 *)__va(*spin_table_addr_prop);
128 pr_debug("CPU%d: Spin table mapped at %p\n", cpu, spin_table);
129
130 spin_table[3] = cpu;
131 smp_wmb();
132 spin_table[1] = __pa(start_secondary_47x);
133 mb();
134
135 return 0;
136}
137
138static struct smp_ops_t ppc47x_smp_ops = {
139 .probe = smp_mpic_probe,
140 .message_pass = smp_mpic_message_pass,
141 .setup_cpu = smp_ppc47x_setup_cpu,
142 .kick_cpu = smp_ppc47x_kick_cpu,
143 .give_timebase = smp_generic_give_timebase,
144 .take_timebase = smp_generic_take_timebase,
145};
146
147static void __init ppc47x_smp_init(void)
148{
149 if (mmu_has_feature(MMU_FTR_TYPE_47x))
150 smp_ops = &ppc47x_smp_ops;
151}
152
153#else /* CONFIG_SMP */
154static void __init ppc47x_smp_init(void) { }
155#endif /* CONFIG_SMP */
156
157static void __init ppc47x_setup_arch(void)
158{
159
160 /* No need to check the DMA config as we /know/ our windows are all of
161 * RAM. Lets hope that doesn't change */
162#ifdef CONFIG_SWIOTLB
163 if (memblock_end_of_DRAM() > 0xffffffff) {
164 ppc_swiotlb_enable = 1;
165 set_pci_dma_ops(&swiotlb_dma_ops);
166 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
167 }
168#endif
169 ppc47x_smp_init();
170}
171
172/*
173 * Called very early, MMU is off, device-tree isn't unflattened
174 */
175static int __init ppc47x_probe(void)
176{
177 unsigned long root = of_get_flat_dt_root();
178
179 if (!of_flat_dt_is_compatible(root, "ibm,currituck"))
180 return 0;
181
182 return 1;
183}
184
185/* Use USB controller should have been hardware swizzled but it wasn't :( */
186static void ppc47x_pci_irq_fixup(struct pci_dev *dev)
187{
188 if (dev->vendor == 0x1033 && (dev->device == 0x0035 ||
189 dev->device == 0x00e0)) {
190 dev->irq = irq_create_mapping(NULL, 47);
191 pr_info("%s: Mapping irq 47 %d\n", __func__, dev->irq);
192 }
193}
194
195define_machine(ppc47x) {
196 .name = "PowerPC 47x",
197 .probe = ppc47x_probe,
198 .progress = udbg_progress,
199 .init_IRQ = ppc47x_init_irq,
200 .setup_arch = ppc47x_setup_arch,
201 .pci_irq_fixup = ppc47x_pci_irq_fixup,
202 .restart = ppc4xx_reset_system,
203 .calibrate_decr = generic_calibrate_decr,
204};
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