Commit 2a2fa797 authored by Daniel Hellstrom's avatar Daniel Hellstrom

SPARC/LEON3: Added AMBA Bus Plug&Play information print command (ambapp). It...

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: default avatarDaniel Hellstrom <daniel@gaisler.com>
parent 1e9a164e
......@@ -32,6 +32,7 @@ COBJS-y += ACEX1K.o
COBJS-y += altera.o
COBJS-y += bedbug.o
COBJS-y += circbuf.o
COBJS-$(CONFIG_CMD_AMBAPP) += cmd_ambapp.o
COBJS-y += cmd_autoscript.o
COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o
......
/*
* (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,
"ambapp - list AMBA Plug&Play information\n",
"ambapp\n"
" - lists AMBA (AHB & APB) Plug&Play devices present on the system\n");
......@@ -28,6 +28,14 @@
#include <command.h>
#include <ambapp.h>
#if defined(CONFIG_CMD_AMBAPP)
extern void ambapp_print_apb(apbctrl_pp_dev * apb,
ambapp_ahbdev * apbmst, int index);
extern void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index);
extern int ambapp_apb_print;
extern int ambapp_ahb_print;
#endif
static int ambapp_apb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
unsigned int driver, /* Plug&Play Device ID */
ambapp_apbdev * dev, /* Result(s) is placed here */
......@@ -58,6 +66,12 @@ static int ambapp_apb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
apb = (apbctrl_pp_dev *) (apbmst_base | LEON3_CONF_AREA);
for (i = 0; i < LEON3_APB_SLAVES; i++) {
#if defined(CONFIG_CMD_AMBAPP)
if (ambapp_apb_print && amba_vendor(apb->conf)
&& amba_device(apb->conf)) {
ambapp_print_apb(apb, &apbmst, i);
}
#endif
if ((amba_vendor(apb->conf) == vendor) &&
(amba_device(apb->conf) == driver) && ((index < 0)
|| (index-- == 0))) {
......@@ -192,6 +206,12 @@ static int ambapp_ahb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
}
for (i = 0; i < max_pp_devs; i++) {
#if defined(CONFIG_CMD_AMBAPP)
if (ambapp_ahb_print && amba_vendor(ahb->conf) &&
amba_device(ahb->conf)) {
ambapp_print_ahb(ahb, i);
}
#endif
if ((amba_vendor(ahb->conf) == vendor) &&
(amba_device(ahb->conf) == driver) &&
((index < 0) || (index-- == 0))) {
......
......@@ -140,6 +140,20 @@
#ifndef __ASSEMBLER__
#ifdef CONFIG_CMD_AMBAPP
/* AMBA Plug&Play relocation & initialization */
int ambapp_init_reloc(void);
/* AMBA Plug&Play Name of Vendors and devices */
/* Return name of device */
char *ambapp_device_id2str(int vendor, int id);
/* Return name of vendor */
char *ambapp_vendor_id2str(int vendor);
#endif
/*
* Types and structure used for AMBA Plug & Play bus scanning
*/
......
......@@ -13,6 +13,7 @@
* Alphabetical list of all possible commands.
*/
#define CONFIG_CMD_AMBAPP /* AMBA Plug & Play Bus print utility */
#define CONFIG_CMD_ASKENV /* ask for env variable */
#define CONFIG_CMD_AUTOSCRIPT /* Autoscript Support */
#define CONFIG_CMD_BDI /* bdinfo */
......
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