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authorTirumala Marri <tmarri@apm.com>2010-09-13 09:26:11 -0400
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>2010-10-13 08:47:09 -0400
commit6edc323db720c65b9e6a770b4bed98f251dd49f0 (patch)
treeef5364409ee8b38e8e851700021a2c6b065cdcf8 /arch/powerpc
parent4108d9ba9091c55cfb968d42dd7dcae9a098b876 (diff)
powerpc/44x: Add support for the AMCC APM821xx SoC
This patch adds CPU, device tree, defconfig and bluestone board support for APM821xx SoC. Signed-off-by: Tirumala R Marri <tmarri@apm.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/boot/dts/bluestone.dts254
-rw-r--r--arch/powerpc/configs/44x/bluestone_defconfig68
-rw-r--r--arch/powerpc/kernel/cpu_setup_44x.S1
-rw-r--r--arch/powerpc/kernel/cputable.c15
-rw-r--r--arch/powerpc/platforms/44x/Kconfig16
-rw-r--r--arch/powerpc/platforms/44x/ppc44x_simple.c1
6 files changed, 355 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
new file mode 100644
index 00000000000..9bb3d72c0e5
--- /dev/null
+++ b/arch/powerpc/boot/dts/bluestone.dts
@@ -0,0 +1,254 @@
1/*
2 * Device Tree for Bluestone (APM821xx) board.
3 *
4 * Copyright (c) 2010, Applied Micro Circuits Corporation
5 * Author: Tirumala R Marri <tmarri@apm.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 *
22 */
23
24/dts-v1/;
25
26/ {
27 #address-cells = <2>;
28 #size-cells = <1>;
29 model = "apm,bluestone";
30 compatible = "apm,bluestone";
31 dcr-parent = <&{/cpus/cpu@0}>;
32
33 aliases {
34 ethernet0 = &EMAC0;
35 serial0 = &UART0;
36 serial1 = &UART1;
37 };
38
39 cpus {
40 #address-cells = <1>;
41 #size-cells = <0>;
42
43 cpu@0 {
44 device_type = "cpu";
45 model = "PowerPC,apm821xx";
46 reg = <0x00000000>;
47 clock-frequency = <0>; /* Filled in by U-Boot */
48 timebase-frequency = <0>; /* Filled in by U-Boot */
49 i-cache-line-size = <32>;
50 d-cache-line-size = <32>;
51 i-cache-size = <32768>;
52 d-cache-size = <32768>;
53 dcr-controller;
54 dcr-access-method = "native";
55 next-level-cache = <&L2C0>;
56 };
57 };
58
59 memory {
60 device_type = "memory";
61 reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
62 };
63
64 UIC0: interrupt-controller0 {
65 compatible = "ibm,uic";
66 interrupt-controller;
67 cell-index = <0>;
68 dcr-reg = <0x0c0 0x009>;
69 #address-cells = <0>;
70 #size-cells = <0>;
71 #interrupt-cells = <2>;
72 };
73
74 UIC1: interrupt-controller1 {
75 compatible = "ibm,uic";
76 interrupt-controller;
77 cell-index = <1>;
78 dcr-reg = <0x0d0 0x009>;
79 #address-cells = <0>;
80 #size-cells = <0>;
81 #interrupt-cells = <2>;
82 interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
83 interrupt-parent = <&UIC0>;
84 };
85
86 UIC2: interrupt-controller2 {
87 compatible = "ibm,uic";
88 interrupt-controller;
89 cell-index = <2>;
90 dcr-reg = <0x0e0 0x009>;
91 #address-cells = <0>;
92 #size-cells = <0>;
93 #interrupt-cells = <2>;
94 interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
95 interrupt-parent = <&UIC0>;
96 };
97
98 UIC3: interrupt-controller3 {
99 compatible = "ibm,uic";
100 interrupt-controller;
101 cell-index = <3>;
102 dcr-reg = <0x0f0 0x009>;
103 #address-cells = <0>;
104 #size-cells = <0>;
105 #interrupt-cells = <2>;
106 interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
107 interrupt-parent = <&UIC0>;
108 };
109
110 SDR0: sdr {
111 compatible = "ibm,sdr-apm821xx";
112 dcr-reg = <0x00e 0x002>;
113 };
114
115 CPR0: cpr {
116 compatible = "ibm,cpr-apm821xx";
117 dcr-reg = <0x00c 0x002>;
118 };
119
120 plb {
121 compatible = "ibm,plb4";
122 #address-cells = <2>;
123 #size-cells = <1>;
124 ranges;
125 clock-frequency = <0>; /* Filled in by U-Boot */
126
127 SDRAM0: sdram {
128 compatible = "ibm,sdram-apm821xx";
129 dcr-reg = <0x010 0x002>;
130 };
131
132 MAL0: mcmal {
133 compatible = "ibm,mcmal2";
134 descriptor-memory = "ocm";
135 dcr-reg = <0x180 0x062>;
136 num-tx-chans = <1>;
137 num-rx-chans = <1>;
138 #address-cells = <0>;
139 #size-cells = <0>;
140 interrupt-parent = <&UIC2>;
141 interrupts = < /*TXEOB*/ 0x6 0x4
142 /*RXEOB*/ 0x7 0x4
143 /*SERR*/ 0x3 0x4
144 /*TXDE*/ 0x4 0x4
145 /*RXDE*/ 0x5 0x4
146 };
147
148 POB0: opb {
149 compatible = "ibm,opb";
150 #address-cells = <1>;
151 #size-cells = <1>;
152 ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
153 clock-frequency = <0>; /* Filled in by U-Boot */
154
155 EBC0: ebc {
156 compatible = "ibm,ebc";
157 dcr-reg = <0x012 0x002>;
158 #address-cells = <2>;
159 #size-cells = <1>;
160 clock-frequency = <0>; /* Filled in by U-Boot */
161 /* ranges property is supplied by U-Boot */
162 ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
163 interrupts = <0x6 0x4>;
164 interrupt-parent = <&UIC1>;
165
166 nor_flash@0,0 {
167 compatible = "amd,s29gl512n", "cfi-flash";
168 bank-width = <2>;
169 reg = <0x00000000 0x00000000 0x00400000>;
170 #address-cells = <1>;
171 #size-cells = <1>;
172 partition@0 {
173 label = "kernel";
174 reg = <0x00000000 0x00180000>;
175 };
176 partition@180000 {
177 label = "env";
178 reg = <0x00180000 0x00020000>;
179 };
180 partition@1a0000 {
181 label = "u-boot";
182 reg = <0x001a0000 0x00060000>;
183 };
184 };
185 }
186
187 UART0: serial@ef600300 {
188 device_type = "serial";
189 compatible = "ns16550";
190 reg = <0xef600300 0x00000008>;
191 virtual-reg = <0xef600300>;
192 clock-frequency = <0>; /* Filled in by U-Boot */
193 current-speed = <0>; /* Filled in by U-Boot */
194 interrupt-parent = <&UIC1>;
195 interrupts = <0x1 0x4>;
196 };
197
198 IIC0: i2c@ef600700 {
199 compatible = "ibm,iic";
200 reg = <0xef600700 0x00000014>;
201 interrupt-parent = <&UIC0>;
202 interrupts = <0x2 0x4>;
203 };
204
205 IIC1: i2c@ef600800 {
206 compatible = "ibm,iic";
207 reg = <0xef600800 0x00000014>;
208 interrupt-parent = <&UIC0>;
209 interrupts = <0x3 0x4>;
210 };
211
212 RGMII0: emac-rgmii@ef601500 {
213 compatible = "ibm,rgmii";
214 reg = <0xef601500 0x00000008>;
215 has-mdio;
216 };
217
218 TAH0: emac-tah@ef601350 {
219 compatible = "ibm,tah";
220 reg = <0xef601350 0x00000030>;
221 };
222
223 EMAC0: ethernet@ef600c00 {
224 device_type = "network";
225 compatible = "ibm,emac4sync";
226 interrupt-parent = <&EMAC0>;
227 interrupts = <0x0 0x1>;
228 #interrupt-cells = <1>;
229 #address-cells = <0>;
230 #size-cells = <0>;
231 interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
232 /*Wake*/ 0x1 &UIC2 0x14 0x4>;
233 reg = <0xef600c00 0x000000c4>;
234 local-mac-address = [000000000000]; /* Filled in by U-Boot */
235 mal-device = <&MAL0>;
236 mal-tx-channel = <0>;
237 mal-rx-channel = <0>;
238 cell-index = <0>;
239 max-frame-size = <9000>;
240 rx-fifo-size = <16384>;
241 tx-fifo-size = <2048>;
242 phy-mode = "rgmii";
243 phy-map = <0x00000000>;
244 rgmii-device = <&RGMII0>;
245 rgmii-channel = <0>;
246 tah-device = <&TAH0>;
247 tah-channel = <0>;
248 has-inverted-stacr-oc;
249 has-new-stacr-staopc;
250 };
251 };
252
253 };
254};
diff --git a/arch/powerpc/configs/44x/bluestone_defconfig b/arch/powerpc/configs/44x/bluestone_defconfig
new file mode 100644
index 00000000000..ac65b48b8cc
--- /dev/null
+++ b/arch/powerpc/configs/44x/bluestone_defconfig
@@ -0,0 +1,68 @@
1CONFIG_44x=y
2CONFIG_EXPERIMENTAL=y
3CONFIG_SYSVIPC=y
4CONFIG_POSIX_MQUEUE=y
5CONFIG_LOG_BUF_SHIFT=14
6CONFIG_BLK_DEV_INITRD=y
7CONFIG_EMBEDDED=y
8# CONFIG_VM_EVENT_COUNTERS is not set
9# CONFIG_PCI_QUIRKS is not set
10# CONFIG_COMPAT_BRK is not set
11CONFIG_BLUESTONE=y
12# CONFIG_EBONY is not set
13# CONFIG_KVM_GUEST is not set
14CONFIG_NO_HZ=y
15CONFIG_HIGH_RES_TIMERS=y
16CONFIG_SPARSE_IRQ=y
17CONFIG_CMDLINE_BOOL=y
18CONFIG_CMDLINE=""
19CONFIG_NET=y
20CONFIG_PACKET=y
21CONFIG_UNIX=y
22CONFIG_INET=y
23CONFIG_IP_PNP=y
24CONFIG_IP_PNP_DHCP=y
25CONFIG_IP_PNP_BOOTP=y
26CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
27CONFIG_CONNECTOR=y
28CONFIG_MTD=y
29CONFIG_MTD_PARTITIONS=y
30CONFIG_MTD_CMDLINE_PARTS=y
31CONFIG_MTD_OF_PARTS=y
32CONFIG_MTD_CHAR=y
33CONFIG_MTD_BLOCK=y
34CONFIG_MTD_CFI=y
35CONFIG_MTD_CFI_AMDSTD=y
36CONFIG_MTD_PHYSMAP_OF=y
37CONFIG_PROC_DEVICETREE=y
38CONFIG_BLK_DEV_RAM=y
39CONFIG_BLK_DEV_RAM_SIZE=35000
40CONFIG_NETDEVICES=y
41CONFIG_NET_ETHERNET=y
42CONFIG_IBM_NEW_EMAC=y
43CONFIG_IBM_NEW_EMAC_RXB=256
44CONFIG_IBM_NEW_EMAC_TXB=256
45CONFIG_SERIAL_8250=y
46CONFIG_SERIAL_8250_CONSOLE=y
47CONFIG_SERIAL_8250_NR_UARTS=2
48CONFIG_SERIAL_8250_RUNTIME_UARTS=2
49CONFIG_SERIAL_8250_EXTENDED=y
50CONFIG_SERIAL_8250_SHARE_IRQ=y
51CONFIG_SERIAL_OF_PLATFORM=y
52CONFIG_I2C=y
53CONFIG_I2C_CHARDEV=y
54CONFIG_I2C_IBM_IIC=y
55CONFIG_SENSORS_AD7414=y
56# CONFIG_HID_SUPPORT is not set
57# CONFIG_USB_SUPPORT is not set
58CONFIG_RTC_CLASS=y
59CONFIG_RTC_DRV_M41T80=y
60CONFIG_EXT2_FS=y
61CONFIG_EXT3_FS=y
62CONFIG_PROC_KCORE=y
63CONFIG_TMPFS=y
64CONFIG_CRAMFS=y
65CONFIG_NFS_FS=y
66CONFIG_NFS_V3=y
67CONFIG_ROOT_NFS=y
68CONFIG_NLS=y
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S
index 7d606f89a83..e32b4a9a2c2 100644
--- a/arch/powerpc/kernel/cpu_setup_44x.S
+++ b/arch/powerpc/kernel/cpu_setup_44x.S
@@ -35,6 +35,7 @@ _GLOBAL(__setup_cpu_440grx)
35_GLOBAL(__setup_cpu_460ex) 35_GLOBAL(__setup_cpu_460ex)
36_GLOBAL(__setup_cpu_460gt) 36_GLOBAL(__setup_cpu_460gt)
37_GLOBAL(__setup_cpu_460sx) 37_GLOBAL(__setup_cpu_460sx)
38_GLOBAL(__setup_cpu_apm821xx)
38 mflr r4 39 mflr r4
39 bl __init_fpu_44x 40 bl __init_fpu_44x
40 bl __fixup_440A_mcheck 41 bl __fixup_440A_mcheck
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 1f9123f412e..b7ac795e527 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -48,6 +48,7 @@ extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
48extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec); 48extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
49extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec); 49extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
50extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec); 50extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);
51extern void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec);
51extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec); 52extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
52extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec); 53extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
53extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec); 54extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -1805,6 +1806,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
1805 .machine_check = machine_check_440A, 1806 .machine_check = machine_check_440A,
1806 .platform = "ppc440", 1807 .platform = "ppc440",
1807 }, 1808 },
1809 { /* 464 in APM821xx */
1810 .pvr_mask = 0xffffff00,
1811 .pvr_value = 0x12C41C80,
1812 .cpu_name = "APM821XX",
1813 .cpu_features = CPU_FTRS_44X,
1814 .cpu_user_features = COMMON_USER_BOOKE |
1815 PPC_FEATURE_HAS_FPU,
1816 .mmu_features = MMU_FTR_TYPE_44x,
1817 .icache_bsize = 32,
1818 .dcache_bsize = 32,
1819 .cpu_setup = __setup_cpu_apm821xx,
1820 .machine_check = machine_check_440A,
1821 .platform = "ppc440",
1822 },
1808 { /* 476 core */ 1823 { /* 476 core */
1809 .pvr_mask = 0xffff0000, 1824 .pvr_mask = 0xffff0000,
1810 .pvr_value = 0x11a50000, 1825 .pvr_value = 0x11a50000,
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 69d668c072a..0f979c5c756 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -17,6 +17,16 @@ config BAMBOO
17 help 17 help
18 This option enables support for the IBM PPC440EP evaluation board. 18 This option enables support for the IBM PPC440EP evaluation board.
19 19
20config BLUESTONE
21 bool "Bluestone"
22 depends on 44x
23 default n
24 select PPC44x_SIMPLE
25 select APM821xx
26 select IBM_NEW_EMAC_RGMII
27 help
28 This option enables support for the APM APM821xx Evaluation board.
29
20config EBONY 30config EBONY
21 bool "Ebony" 31 bool "Ebony"
22 depends on 44x 32 depends on 44x
@@ -293,6 +303,12 @@ config 460SX
293 select IBM_NEW_EMAC_ZMII 303 select IBM_NEW_EMAC_ZMII
294 select IBM_NEW_EMAC_TAH 304 select IBM_NEW_EMAC_TAH
295 305
306config APM821xx
307 bool
308 select PPC_FPU
309 select IBM_NEW_EMAC_EMAC4
310 select IBM_NEW_EMAC_TAH
311
296# 44x errata/workaround config symbols, selected by the CPU models above 312# 44x errata/workaround config symbols, selected by the CPU models above
297config IBM440EP_ERR42 313config IBM440EP_ERR42
298 bool 314 bool
diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c
index 5f7a29d7f59..7ddcba3b939 100644
--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
+++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
@@ -52,6 +52,7 @@ machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
52static char *board[] __initdata = { 52static char *board[] __initdata = {
53 "amcc,arches", 53 "amcc,arches",
54 "amcc,bamboo", 54 "amcc,bamboo",
55 "amcc,bluestone",
55 "amcc,canyonlands", 56 "amcc,canyonlands",
56 "amcc,glacier", 57 "amcc,glacier",
57 "ibm,ebony", 58 "ibm,ebony",
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-21 01:27:41 -0400