| /* |
| * (C) Copyright 2007 |
| * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* |
| * AMBA Plug&Play information list command |
| * |
| */ |
| #include <common.h> |
| #include <command.h> |
| #include <ambapp.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* We put these variables into .data section so that they are zero |
| * when entering the AMBA Plug & Play routines (in cpu/cpu/ambapp.c) |
| * the first time. BSS is not garantueed to be zero since BSS |
| * hasn't been cleared the first times entering the CPU AMBA functions. |
| * |
| * The AMBA PnP routines call these functions if ambapp_???_print is set. |
| * |
| */ |
| int ambapp_apb_print __attribute__ ((section(".data"))) = 0; |
| int ambapp_ahb_print __attribute__ ((section(".data"))) = 0; |
| |
| typedef struct { |
| int device_id; |
| char *name; |
| } ambapp_device_name; |
| |
| static ambapp_device_name gaisler_devices[] = { |
| {GAISLER_LEON3, "GAISLER_LEON3"}, |
| {GAISLER_LEON3DSU, "GAISLER_LEON3DSU"}, |
| {GAISLER_ETHAHB, "GAISLER_ETHAHB"}, |
| {GAISLER_ETHMAC, "GAISLER_ETHMAC"}, |
| {GAISLER_APBMST, "GAISLER_APBMST"}, |
| {GAISLER_AHBUART, "GAISLER_AHBUART"}, |
| {GAISLER_SRCTRL, "GAISLER_SRCTRL"}, |
| {GAISLER_SDCTRL, "GAISLER_SDCTRL"}, |
| {GAISLER_APBUART, "GAISLER_APBUART"}, |
| {GAISLER_IRQMP, "GAISLER_IRQMP"}, |
| {GAISLER_AHBRAM, "GAISLER_AHBRAM"}, |
| {GAISLER_GPTIMER, "GAISLER_GPTIMER"}, |
| {GAISLER_PCITRG, "GAISLER_PCITRG"}, |
| {GAISLER_PCISBRG, "GAISLER_PCISBRG"}, |
| {GAISLER_PCIFBRG, "GAISLER_PCIFBRG"}, |
| {GAISLER_PCITRACE, "GAISLER_PCITRACE"}, |
| {GAISLER_AHBTRACE, "GAISLER_AHBTRACE"}, |
| {GAISLER_ETHDSU, "GAISLER_ETHDSU"}, |
| {GAISLER_PIOPORT, "GAISLER_PIOPORT"}, |
| {GAISLER_AHBJTAG, "GAISLER_AHBJTAG"}, |
| {GAISLER_ATACTRL, "GAISLER_ATACTRL"}, |
| {GAISLER_VGA, "GAISLER_VGA"}, |
| {GAISLER_KBD, "GAISLER_KBD"}, |
| {GAISLER_L2TIME, "GAISLER_L2TIME"}, |
| {GAISLER_L2C, "GAISLER_L2C"}, |
| {GAISLER_PLUGPLAY, "GAISLER_PLUGPLAY"}, |
| {GAISLER_SPW, "GAISLER_SPW"}, |
| {GAISLER_SPW2, "GAISLER_SPW2"}, |
| {GAISLER_EHCI, "GAISLER_EHCI"}, |
| {GAISLER_UHCI, "GAISLER_UHCI"}, |
| {GAISLER_AHBSTAT, "GAISLER_AHBSTAT"}, |
| {GAISLER_DDR2SPA, "GAISLER_DDR2SPA"}, |
| {GAISLER_DDRSPA, "GAISLER_DDRSPA"}, |
| {0, NULL} |
| }; |
| |
| static ambapp_device_name esa_devices[] = { |
| {ESA_LEON2, "ESA_LEON2"}, |
| {ESA_MCTRL, "ESA_MCTRL"}, |
| {0, NULL} |
| }; |
| |
| static ambapp_device_name opencores_devices[] = { |
| {OPENCORES_PCIBR, "OPENCORES_PCIBR"}, |
| {OPENCORES_ETHMAC, "OPENCORES_ETHMAC"}, |
| {0, NULL} |
| }; |
| |
| typedef struct { |
| unsigned int vendor_id; |
| char *name; |
| ambapp_device_name *devices; |
| } ambapp_vendor_devnames; |
| |
| static ambapp_vendor_devnames vendors[] = { |
| {VENDOR_GAISLER, "VENDOR_GAISLER", gaisler_devices}, |
| {VENDOR_ESA, "VENDOR_ESA", esa_devices}, |
| {VENDOR_OPENCORES, "VENDOR_OPENCORES", opencores_devices}, |
| {0, NULL, 0} |
| }; |
| |
| static char *ambapp_get_devname(ambapp_device_name * devs, int id) |
| { |
| if (!devs) |
| return NULL; |
| |
| while (devs->device_id > 0) { |
| if (devs->device_id == id) |
| return devs->name; |
| devs++; |
| } |
| return NULL; |
| } |
| |
| char *ambapp_device_id2str(int vendor, int id) |
| { |
| ambapp_vendor_devnames *ven = &vendors[0]; |
| |
| while (ven->vendor_id > 0) { |
| if (ven->vendor_id == vendor) { |
| return ambapp_get_devname(ven->devices, id); |
| } |
| ven++; |
| } |
| return NULL; |
| } |
| |
| char *ambapp_vendor_id2str(int vendor) |
| { |
| ambapp_vendor_devnames *ven = &vendors[0]; |
| |
| while (ven->vendor_id > 0) { |
| if (ven->vendor_id == vendor) { |
| return ven->name; |
| } |
| ven++; |
| } |
| return NULL; |
| } |
| |
| static char *unknown = "unknown"; |
| |
| /* Print one APB device */ |
| void ambapp_print_apb(apbctrl_pp_dev * apb, ambapp_ahbdev * apbmst, int index) |
| { |
| char *dev_str, *ven_str; |
| int irq, ver, vendor, deviceid; |
| unsigned int address, apbmst_base, mask; |
| |
| vendor = amba_vendor(apb->conf); |
| deviceid = amba_device(apb->conf); |
| irq = amba_irq(apb->conf); |
| ver = amba_ver(apb->conf); |
| apbmst_base = apbmst->address[0] & LEON3_IO_AREA; |
| address = (apbmst_base | (((apb->bar & 0xfff00000) >> 12))) & |
| (((apb->bar & 0x0000fff0) << 4) | 0xfff00000); |
| |
| mask = amba_membar_mask(apb->bar) << 8; |
| mask = ((~mask) & 0x000fffff) + 1; |
| |
| ven_str = ambapp_vendor_id2str(vendor); |
| if (!ven_str) { |
| ven_str = unknown; |
| dev_str = unknown; |
| } else { |
| dev_str = ambapp_device_id2str(vendor, deviceid); |
| if (!dev_str) |
| dev_str = unknown; |
| } |
| |
| printf("0x%02x:0x%02x:0x%02x: %s %s\n" |
| " apb: 0x%08x - 0x%08x\n" |
| " irq: %-2d (ver: %-2d)\n", |
| index, vendor, deviceid, ven_str, dev_str, address, |
| address + mask, irq, ver); |
| } |
| |
| void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index) |
| { |
| char *dev_str, *ven_str; |
| int irq, ver, vendor, deviceid; |
| unsigned int addr, mask; |
| int j; |
| |
| vendor = amba_vendor(ahb->conf); |
| deviceid = amba_device(ahb->conf); |
| irq = amba_irq(ahb->conf); |
| ver = amba_ver(ahb->conf); |
| |
| ven_str = ambapp_vendor_id2str(vendor); |
| if (!ven_str) { |
| ven_str = unknown; |
| dev_str = unknown; |
| } else { |
| dev_str = ambapp_device_id2str(vendor, deviceid); |
| if (!dev_str) |
| dev_str = unknown; |
| } |
| |
| printf("0x%02x:0x%02x:0x%02x: %s %s\n", |
| index, vendor, deviceid, ven_str, dev_str); |
| |
| for (j = 0; j < 4; j++) { |
| addr = amba_membar_start(ahb->bars[j]); |
| if (amba_membar_type(ahb->bars[j]) == 0) |
| continue; |
| if (amba_membar_type(ahb->bars[j]) == AMBA_TYPE_AHBIO) |
| addr = AMBA_TYPE_AHBIO_ADDR(addr); |
| mask = amba_membar_mask(ahb->bars[j]) << 20; |
| printf(" mem: 0x%08x - 0x%08x\n", addr, addr + ((~mask) + 1)); |
| } |
| |
| printf(" irq: %-2d (ver: %d)\n", irq, ver); |
| } |
| |
| int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
| { |
| |
| /* Print AHB Masters */ |
| puts("--------- AHB Masters ---------\n"); |
| ambapp_apb_print = 0; |
| ambapp_ahb_print = 1; |
| ambapp_ahbmst_count(99, 99); /* Get vendor&device 99 = nonexistent... */ |
| |
| /* Print AHB Slaves */ |
| puts("--------- AHB Slaves ---------\n"); |
| ambapp_ahbslv_count(99, 99); /* Get vendor&device 99 = nonexistent... */ |
| |
| /* Print APB Slaves */ |
| puts("--------- APB Slaves ---------\n"); |
| ambapp_apb_print = 1; |
| ambapp_ahb_print = 0; |
| ambapp_apb_count(99, 99); /* Get vendor&device 99 = nonexistent... */ |
| |
| /* Reset, no futher printing */ |
| ambapp_apb_print = 0; |
| ambapp_ahb_print = 0; |
| puts("\n"); |
| return 0; |
| } |
| |
| int ambapp_init_reloc(void) |
| { |
| ambapp_vendor_devnames *vend = vendors; |
| ambapp_device_name *dev; |
| |
| while (vend->vendor_id && vend->name) { |
| vend->name = (char *)((unsigned int)vend->name + gd->reloc_off); |
| vend->devices = |
| (ambapp_device_name *) ((unsigned int)vend->devices + |
| gd->reloc_off);; |
| dev = vend->devices; |
| vend++; |
| if (!dev) |
| continue; |
| while (dev->device_id && dev->name) { |
| dev->name = |
| (char *)((unsigned int)dev->name + gd->reloc_off);; |
| dev++; |
| } |
| } |
| return 0; |
| } |
| |
| U_BOOT_CMD(ambapp, 1, 1, do_ambapp_print, |
| "list AMBA Plug&Play information", |
| "ambapp\n" |
| " - lists AMBA (AHB & APB) Plug&Play devices present on the system" |
| ); |