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https://github.com/AsahiLinux/u-boot
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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>
This commit is contained in:
Daniel Hellstrom
parent
1e9a164e22
commit
2a2fa797e6
5 changed files with 314 additions and 0 deletions
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@ -32,6 +32,7 @@ COBJS-y += ACEX1K.o
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COBJS-y += altera.o
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COBJS-y += bedbug.o
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COBJS-y += circbuf.o
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COBJS-$(CONFIG_CMD_AMBAPP) += cmd_ambapp.o
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COBJS-y += cmd_autoscript.o
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COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
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COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o
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278
common/cmd_ambapp.c
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278
common/cmd_ambapp.c
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@ -0,0 +1,278 @@
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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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@ -28,6 +28,14 @@
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#include <command.h>
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#include <ambapp.h>
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#if defined(CONFIG_CMD_AMBAPP)
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extern void ambapp_print_apb(apbctrl_pp_dev * apb,
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ambapp_ahbdev * apbmst, int index);
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extern void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index);
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extern int ambapp_apb_print;
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extern int ambapp_ahb_print;
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#endif
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static int ambapp_apb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
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unsigned int driver, /* Plug&Play Device ID */
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ambapp_apbdev * dev, /* Result(s) is placed here */
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@ -58,6 +66,12 @@ static int ambapp_apb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
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apb = (apbctrl_pp_dev *) (apbmst_base | LEON3_CONF_AREA);
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for (i = 0; i < LEON3_APB_SLAVES; i++) {
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#if defined(CONFIG_CMD_AMBAPP)
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if (ambapp_apb_print && amba_vendor(apb->conf)
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&& amba_device(apb->conf)) {
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ambapp_print_apb(apb, &apbmst, i);
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}
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#endif
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if ((amba_vendor(apb->conf) == vendor) &&
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(amba_device(apb->conf) == driver) && ((index < 0)
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|| (index-- == 0))) {
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@ -192,6 +206,12 @@ static int ambapp_ahb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
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}
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for (i = 0; i < max_pp_devs; i++) {
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#if defined(CONFIG_CMD_AMBAPP)
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if (ambapp_ahb_print && amba_vendor(ahb->conf) &&
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amba_device(ahb->conf)) {
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ambapp_print_ahb(ahb, i);
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}
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#endif
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if ((amba_vendor(ahb->conf) == vendor) &&
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(amba_device(ahb->conf) == driver) &&
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((index < 0) || (index-- == 0))) {
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@ -140,6 +140,20 @@
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#ifndef __ASSEMBLER__
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#ifdef CONFIG_CMD_AMBAPP
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/* AMBA Plug&Play relocation & initialization */
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int ambapp_init_reloc(void);
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/* AMBA Plug&Play Name of Vendors and devices */
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/* Return name of device */
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char *ambapp_device_id2str(int vendor, int id);
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/* Return name of vendor */
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char *ambapp_vendor_id2str(int vendor);
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#endif
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/*
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* Types and structure used for AMBA Plug & Play bus scanning
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*/
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@ -13,6 +13,7 @@
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* Alphabetical list of all possible commands.
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*/
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#define CONFIG_CMD_AMBAPP /* AMBA Plug & Play Bus print utility */
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#define CONFIG_CMD_ASKENV /* ask for env variable */
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#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
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#define CONFIG_CMD_BDI /* bdinfo */
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