SPARC/LEON3: Added AMBA Bus Plug&Play information print command (ambapp). It can print available cores (type: AHB Master, AHB Slave, APB Slave), their address ranges, IRQ number and version.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>master
Daniel Hellstrom
17 years ago
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1e9a164e22
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2a2fa797e6
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/*
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* (C) Copyright 2007 |
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* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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/*
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* AMBA Plug&Play information list command |
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* |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <ambapp.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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/* We put these variables into .data section so that they are zero
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* when entering the AMBA Plug & Play routines (in cpu/cpu/ambapp.c) |
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* the first time. BSS is not garantueed to be zero since BSS
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* hasn't been cleared the first times entering the CPU AMBA functions. |
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* |
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* The AMBA PnP routines call these functions if ambapp_???_print is set. |
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*
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*/ |
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int ambapp_apb_print __attribute__ ((section(".data"))) = 0; |
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int ambapp_ahb_print __attribute__ ((section(".data"))) = 0; |
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typedef struct { |
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int device_id; |
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char *name; |
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} ambapp_device_name; |
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static ambapp_device_name gaisler_devices[] = { |
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{GAISLER_LEON3, "GAISLER_LEON3"}, |
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{GAISLER_LEON3DSU, "GAISLER_LEON3DSU"}, |
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{GAISLER_ETHAHB, "GAISLER_ETHAHB"}, |
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{GAISLER_ETHMAC, "GAISLER_ETHMAC"}, |
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{GAISLER_APBMST, "GAISLER_APBMST"}, |
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{GAISLER_AHBUART, "GAISLER_AHBUART"}, |
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{GAISLER_SRCTRL, "GAISLER_SRCTRL"}, |
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{GAISLER_SDCTRL, "GAISLER_SDCTRL"}, |
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{GAISLER_APBUART, "GAISLER_APBUART"}, |
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{GAISLER_IRQMP, "GAISLER_IRQMP"}, |
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{GAISLER_AHBRAM, "GAISLER_AHBRAM"}, |
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{GAISLER_GPTIMER, "GAISLER_GPTIMER"}, |
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{GAISLER_PCITRG, "GAISLER_PCITRG"}, |
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{GAISLER_PCISBRG, "GAISLER_PCISBRG"}, |
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{GAISLER_PCIFBRG, "GAISLER_PCIFBRG"}, |
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{GAISLER_PCITRACE, "GAISLER_PCITRACE"}, |
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{GAISLER_AHBTRACE, "GAISLER_AHBTRACE"}, |
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{GAISLER_ETHDSU, "GAISLER_ETHDSU"}, |
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{GAISLER_PIOPORT, "GAISLER_PIOPORT"}, |
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{GAISLER_AHBJTAG, "GAISLER_AHBJTAG"}, |
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{GAISLER_ATACTRL, "GAISLER_ATACTRL"}, |
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{GAISLER_VGA, "GAISLER_VGA"}, |
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{GAISLER_KBD, "GAISLER_KBD"}, |
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{GAISLER_L2TIME, "GAISLER_L2TIME"}, |
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{GAISLER_L2C, "GAISLER_L2C"}, |
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{GAISLER_PLUGPLAY, "GAISLER_PLUGPLAY"}, |
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{GAISLER_SPW, "GAISLER_SPW"}, |
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{GAISLER_SPW2, "GAISLER_SPW2"}, |
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{GAISLER_EHCI, "GAISLER_EHCI"}, |
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{GAISLER_UHCI, "GAISLER_UHCI"}, |
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{GAISLER_AHBSTAT, "GAISLER_AHBSTAT"}, |
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{GAISLER_DDR2SPA, "GAISLER_DDR2SPA"}, |
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{GAISLER_DDRSPA, "GAISLER_DDRSPA"}, |
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{0, NULL} |
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}; |
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static ambapp_device_name esa_devices[] = { |
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{ESA_LEON2, "ESA_LEON2"}, |
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{ESA_MCTRL, "ESA_MCTRL"}, |
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{0, NULL} |
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}; |
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static ambapp_device_name opencores_devices[] = { |
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{OPENCORES_PCIBR, "OPENCORES_PCIBR"}, |
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{OPENCORES_ETHMAC, "OPENCORES_ETHMAC"}, |
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{0, NULL} |
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}; |
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typedef struct { |
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unsigned int vendor_id; |
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char *name; |
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ambapp_device_name *devices; |
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} ambapp_vendor_devnames; |
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static ambapp_vendor_devnames vendors[] = { |
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{VENDOR_GAISLER, "VENDOR_GAISLER", gaisler_devices}, |
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{VENDOR_ESA, "VENDOR_ESA", esa_devices}, |
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{VENDOR_OPENCORES, "VENDOR_OPENCORES", opencores_devices}, |
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{0, NULL, 0} |
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}; |
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static char *ambapp_get_devname(ambapp_device_name * devs, int id) |
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{ |
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if (!devs) |
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return NULL; |
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while (devs->device_id > 0) { |
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if (devs->device_id == id) |
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return devs->name; |
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devs++; |
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} |
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return NULL; |
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} |
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char *ambapp_device_id2str(int vendor, int id) |
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{ |
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ambapp_vendor_devnames *ven = &vendors[0]; |
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while (ven->vendor_id > 0) { |
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if (ven->vendor_id == vendor) { |
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return ambapp_get_devname(ven->devices, id); |
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} |
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ven++; |
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} |
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return NULL; |
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} |
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char *ambapp_vendor_id2str(int vendor) |
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{ |
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ambapp_vendor_devnames *ven = &vendors[0]; |
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while (ven->vendor_id > 0) { |
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if (ven->vendor_id == vendor) { |
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return ven->name; |
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} |
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ven++; |
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} |
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return NULL; |
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} |
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static char *unknown = "unknown"; |
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/* Print one APB device */ |
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void ambapp_print_apb(apbctrl_pp_dev * apb, ambapp_ahbdev * apbmst, int index) |
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{ |
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char *dev_str, *ven_str; |
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int irq, ver, vendor, deviceid; |
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unsigned int address, apbmst_base, mask; |
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vendor = amba_vendor(apb->conf); |
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deviceid = amba_device(apb->conf); |
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irq = amba_irq(apb->conf); |
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ver = amba_ver(apb->conf); |
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apbmst_base = apbmst->address[0] & LEON3_IO_AREA; |
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address = (apbmst_base | (((apb->bar & 0xfff00000) >> 12))) & |
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(((apb->bar & 0x0000fff0) << 4) | 0xfff00000); |
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mask = amba_membar_mask(apb->bar) << 8; |
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mask = ((~mask) & 0x000fffff) + 1; |
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ven_str = ambapp_vendor_id2str(vendor); |
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if (!ven_str) { |
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ven_str = unknown; |
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dev_str = unknown; |
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} else { |
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dev_str = ambapp_device_id2str(vendor, deviceid); |
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if (!dev_str) |
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dev_str = unknown; |
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} |
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printf("0x%02x:0x%02x:0x%02x: %s %s\n" |
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" apb: 0x%08x - 0x%08x\n" |
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" irq: %-2d (ver: %-2d)\n", |
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index, vendor, deviceid, ven_str, dev_str, address, |
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address + mask, irq, ver); |
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} |
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void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index) |
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{ |
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char *dev_str, *ven_str; |
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int irq, ver, vendor, deviceid; |
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unsigned int addr, mask; |
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int j; |
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vendor = amba_vendor(ahb->conf); |
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deviceid = amba_device(ahb->conf); |
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irq = amba_irq(ahb->conf); |
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ver = amba_ver(ahb->conf); |
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ven_str = ambapp_vendor_id2str(vendor); |
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if (!ven_str) { |
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ven_str = unknown; |
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dev_str = unknown; |
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} else { |
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dev_str = ambapp_device_id2str(vendor, deviceid); |
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if (!dev_str) |
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dev_str = unknown; |
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} |
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printf("0x%02x:0x%02x:0x%02x: %s %s\n", |
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index, vendor, deviceid, ven_str, dev_str); |
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for (j = 0; j < 4; j++) { |
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addr = amba_membar_start(ahb->bars[j]); |
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if (amba_membar_type(ahb->bars[j]) == 0) |
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continue; |
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if (amba_membar_type(ahb->bars[j]) == AMBA_TYPE_AHBIO) |
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addr = AMBA_TYPE_AHBIO_ADDR(addr); |
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mask = amba_membar_mask(ahb->bars[j]) << 20; |
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printf(" mem: 0x%08x - 0x%08x\n", addr, addr + ((~mask) + 1)); |
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} |
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printf(" irq: %-2d (ver: %d)\n", irq, ver); |
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} |
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int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
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{ |
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/* Print AHB Masters */ |
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puts("--------- AHB Masters ---------\n"); |
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ambapp_apb_print = 0; |
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ambapp_ahb_print = 1; |
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ambapp_ahbmst_count(99, 99); /* Get vendor&device 99 = nonexistent... */ |
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/* Print AHB Slaves */ |
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puts("--------- AHB Slaves ---------\n"); |
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ambapp_ahbslv_count(99, 99); /* Get vendor&device 99 = nonexistent... */ |
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/* Print APB Slaves */ |
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puts("--------- APB Slaves ---------\n"); |
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ambapp_apb_print = 1; |
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ambapp_ahb_print = 0; |
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ambapp_apb_count(99, 99); /* Get vendor&device 99 = nonexistent... */ |
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/* Reset, no futher printing */ |
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ambapp_apb_print = 0; |
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ambapp_ahb_print = 0; |
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puts("\n"); |
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return 0; |
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} |
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int ambapp_init_reloc(void) |
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{ |
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ambapp_vendor_devnames *vend = vendors; |
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ambapp_device_name *dev; |
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while (vend->vendor_id && vend->name) { |
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vend->name = (char *)((unsigned int)vend->name + gd->reloc_off); |
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vend->devices = |
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(ambapp_device_name *) ((unsigned int)vend->devices + |
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gd->reloc_off);; |
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dev = vend->devices; |
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vend++; |
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if (!dev) |
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continue; |
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while (dev->device_id && dev->name) { |
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dev->name = |
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(char *)((unsigned int)dev->name + gd->reloc_off);; |
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dev++; |
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} |
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} |
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return 0; |
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} |
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U_BOOT_CMD(ambapp, 1, 1, do_ambapp_print, |
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"ambapp - list AMBA Plug&Play information\n", |
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"ambapp\n" |
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" - lists AMBA (AHB & APB) Plug&Play devices present on the system\n"); |
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