3 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * AMBA Plug&Play information list command
32 DECLARE_GLOBAL_DATA_PTR
;
34 /* We put these variables into .data section so that they are zero
35 * when entering the AMBA Plug & Play routines (in cpu/cpu/ambapp.c)
36 * the first time. BSS is not garantueed to be zero since BSS
37 * hasn't been cleared the first times entering the CPU AMBA functions.
39 * The AMBA PnP routines call these functions if ambapp_???_print is set.
42 int ambapp_apb_print
__attribute__ ((section(".data"))) = 0;
43 int ambapp_ahb_print
__attribute__ ((section(".data"))) = 0;
50 static ambapp_device_name gaisler_devices
[] = {
51 {GAISLER_LEON3
, "GAISLER_LEON3"},
52 {GAISLER_LEON3DSU
, "GAISLER_LEON3DSU"},
53 {GAISLER_ETHAHB
, "GAISLER_ETHAHB"},
54 {GAISLER_ETHMAC
, "GAISLER_ETHMAC"},
55 {GAISLER_APBMST
, "GAISLER_APBMST"},
56 {GAISLER_AHBUART
, "GAISLER_AHBUART"},
57 {GAISLER_SRCTRL
, "GAISLER_SRCTRL"},
58 {GAISLER_SDCTRL
, "GAISLER_SDCTRL"},
59 {GAISLER_APBUART
, "GAISLER_APBUART"},
60 {GAISLER_IRQMP
, "GAISLER_IRQMP"},
61 {GAISLER_AHBRAM
, "GAISLER_AHBRAM"},
62 {GAISLER_GPTIMER
, "GAISLER_GPTIMER"},
63 {GAISLER_PCITRG
, "GAISLER_PCITRG"},
64 {GAISLER_PCISBRG
, "GAISLER_PCISBRG"},
65 {GAISLER_PCIFBRG
, "GAISLER_PCIFBRG"},
66 {GAISLER_PCITRACE
, "GAISLER_PCITRACE"},
67 {GAISLER_AHBTRACE
, "GAISLER_AHBTRACE"},
68 {GAISLER_ETHDSU
, "GAISLER_ETHDSU"},
69 {GAISLER_PIOPORT
, "GAISLER_PIOPORT"},
70 {GAISLER_AHBJTAG
, "GAISLER_AHBJTAG"},
71 {GAISLER_ATACTRL
, "GAISLER_ATACTRL"},
72 {GAISLER_VGA
, "GAISLER_VGA"},
73 {GAISLER_KBD
, "GAISLER_KBD"},
74 {GAISLER_L2TIME
, "GAISLER_L2TIME"},
75 {GAISLER_L2C
, "GAISLER_L2C"},
76 {GAISLER_PLUGPLAY
, "GAISLER_PLUGPLAY"},
77 {GAISLER_SPW
, "GAISLER_SPW"},
78 {GAISLER_SPW2
, "GAISLER_SPW2"},
79 {GAISLER_EHCI
, "GAISLER_EHCI"},
80 {GAISLER_UHCI
, "GAISLER_UHCI"},
81 {GAISLER_AHBSTAT
, "GAISLER_AHBSTAT"},
82 {GAISLER_DDR2SPA
, "GAISLER_DDR2SPA"},
83 {GAISLER_DDRSPA
, "GAISLER_DDRSPA"},
87 static ambapp_device_name esa_devices
[] = {
88 {ESA_LEON2
, "ESA_LEON2"},
89 {ESA_MCTRL
, "ESA_MCTRL"},
93 static ambapp_device_name opencores_devices
[] = {
94 {OPENCORES_PCIBR
, "OPENCORES_PCIBR"},
95 {OPENCORES_ETHMAC
, "OPENCORES_ETHMAC"},
100 unsigned int vendor_id
;
102 ambapp_device_name
*devices
;
103 } ambapp_vendor_devnames
;
105 static ambapp_vendor_devnames vendors
[] = {
106 {VENDOR_GAISLER
, "VENDOR_GAISLER", gaisler_devices
},
107 {VENDOR_ESA
, "VENDOR_ESA", esa_devices
},
108 {VENDOR_OPENCORES
, "VENDOR_OPENCORES", opencores_devices
},
112 static char *ambapp_get_devname(ambapp_device_name
* devs
, int id
)
117 while (devs
->device_id
> 0) {
118 if (devs
->device_id
== id
)
125 char *ambapp_device_id2str(int vendor
, int id
)
127 ambapp_vendor_devnames
*ven
= &vendors
[0];
129 while (ven
->vendor_id
> 0) {
130 if (ven
->vendor_id
== vendor
) {
131 return ambapp_get_devname(ven
->devices
, id
);
138 char *ambapp_vendor_id2str(int vendor
)
140 ambapp_vendor_devnames
*ven
= &vendors
[0];
142 while (ven
->vendor_id
> 0) {
143 if (ven
->vendor_id
== vendor
) {
151 static char *unknown
= "unknown";
153 /* Print one APB device */
154 void ambapp_print_apb(apbctrl_pp_dev
* apb
, ambapp_ahbdev
* apbmst
, int index
)
156 char *dev_str
, *ven_str
;
157 int irq
, ver
, vendor
, deviceid
;
158 unsigned int address
, apbmst_base
, mask
;
160 vendor
= amba_vendor(apb
->conf
);
161 deviceid
= amba_device(apb
->conf
);
162 irq
= amba_irq(apb
->conf
);
163 ver
= amba_ver(apb
->conf
);
164 apbmst_base
= apbmst
->address
[0] & LEON3_IO_AREA
;
165 address
= (apbmst_base
| (((apb
->bar
& 0xfff00000) >> 12))) &
166 (((apb
->bar
& 0x0000fff0) << 4) | 0xfff00000);
168 mask
= amba_membar_mask(apb
->bar
) << 8;
169 mask
= ((~mask
) & 0x000fffff) + 1;
171 ven_str
= ambapp_vendor_id2str(vendor
);
176 dev_str
= ambapp_device_id2str(vendor
, deviceid
);
181 printf("0x%02x:0x%02x:0x%02x: %s %s\n"
182 " apb: 0x%08x - 0x%08x\n"
183 " irq: %-2d (ver: %-2d)\n",
184 index
, vendor
, deviceid
, ven_str
, dev_str
, address
,
185 address
+ mask
, irq
, ver
);
188 void ambapp_print_ahb(ahbctrl_pp_dev
* ahb
, int index
)
190 char *dev_str
, *ven_str
;
191 int irq
, ver
, vendor
, deviceid
;
192 unsigned int addr
, mask
;
195 vendor
= amba_vendor(ahb
->conf
);
196 deviceid
= amba_device(ahb
->conf
);
197 irq
= amba_irq(ahb
->conf
);
198 ver
= amba_ver(ahb
->conf
);
200 ven_str
= ambapp_vendor_id2str(vendor
);
205 dev_str
= ambapp_device_id2str(vendor
, deviceid
);
210 printf("0x%02x:0x%02x:0x%02x: %s %s\n",
211 index
, vendor
, deviceid
, ven_str
, dev_str
);
213 for (j
= 0; j
< 4; j
++) {
214 addr
= amba_membar_start(ahb
->bars
[j
]);
215 if (amba_membar_type(ahb
->bars
[j
]) == 0)
217 if (amba_membar_type(ahb
->bars
[j
]) == AMBA_TYPE_AHBIO
)
218 addr
= AMBA_TYPE_AHBIO_ADDR(addr
);
219 mask
= amba_membar_mask(ahb
->bars
[j
]) << 20;
220 printf(" mem: 0x%08x - 0x%08x\n", addr
, addr
+ ((~mask
) + 1));
223 printf(" irq: %-2d (ver: %d)\n", irq
, ver
);
226 int do_ambapp_print(cmd_tbl_t
* cmdtp
, int flag
, int argc
, char *argv
[])
229 /* Print AHB Masters */
230 puts("--------- AHB Masters ---------\n");
231 ambapp_apb_print
= 0;
232 ambapp_ahb_print
= 1;
233 ambapp_ahbmst_count(99, 99); /* Get vendor&device 99 = nonexistent... */
235 /* Print AHB Slaves */
236 puts("--------- AHB Slaves ---------\n");
237 ambapp_ahbslv_count(99, 99); /* Get vendor&device 99 = nonexistent... */
239 /* Print APB Slaves */
240 puts("--------- APB Slaves ---------\n");
241 ambapp_apb_print
= 1;
242 ambapp_ahb_print
= 0;
243 ambapp_apb_count(99, 99); /* Get vendor&device 99 = nonexistent... */
245 /* Reset, no futher printing */
246 ambapp_apb_print
= 0;
247 ambapp_ahb_print
= 0;
252 int ambapp_init_reloc(void)
254 ambapp_vendor_devnames
*vend
= vendors
;
255 ambapp_device_name
*dev
;
257 while (vend
->vendor_id
&& vend
->name
) {
258 vend
->name
= (char *)((unsigned int)vend
->name
+ gd
->reloc_off
);
260 (ambapp_device_name
*) ((unsigned int)vend
->devices
+
266 while (dev
->device_id
&& dev
->name
) {
268 (char *)((unsigned int)dev
->name
+ gd
->reloc_off
);;
275 U_BOOT_CMD(ambapp
, 1, 1, do_ambapp_print
,
276 "list AMBA Plug&Play information",
278 " - lists AMBA (AHB & APB) Plug&Play devices present on the system"