/*
* (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <universe.h>
-
-#if (CONFIG_COMMANDS & CFG_CMD_UNIVERSE)
-
-#undef DBG
-
-#ifdef DBG
-# define UNI_DBG(fmt) printf fmt
-#else
-# define UNI_DBG(fmt)
-#endif
-
-#define UNI_PRINT(fmt) printf fmt
-
-
#define PCI_VENDOR PCI_VENDOR_ID_TUNDRA
#define PCI_DEVICE PCI_DEVICE_ID_TUNDRA_CA91C042
int universe_init(void)
{
- int j, result, lastError = 0;
+ int j, result;
pci_dev_t busdevfn;
unsigned int val;
dev->busdevfn = busdevfn;
pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_1, &val);
+ if (val & 1) {
+ pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_0, &val);
+ }
val &= ~0xf;
dev->uregs = (UNIVERSE *)val;
- UNI_DBG(("UNIVERSE-Base : %p\n", dev->uregs));
+ debug ("UNIVERSE-Base : %p\n", dev->uregs);
/* check mapping */
- UNI_DBG((" Read via mapping, PCI_ID = %08X\n", readl(&dev->uregs->pci_id)));
+ debug (" Read via mapping, PCI_ID = %08X\n", readl(&dev->uregs->pci_id));
if (((PCI_DEVICE <<16) | PCI_VENDOR) != readl(&dev->uregs->pci_id)) {
- UNI_PRINT(("UNIVERSE: Cannot read PCI-ID via Mapping: %08x\n",
- readl(&dev->uregs->pci_id)));
+ printf ("UNIVERSE: Cannot read PCI-ID via Mapping: %08x\n",
+ readl(&dev->uregs->pci_id));
result = -1;
goto break_30;
}
- UNI_DBG(("PCI_BS = %08X\n", readl(&dev->uregs->pci_bs)));
+ debug ("PCI_BS = %08X\n", readl(&dev->uregs->pci_bs));
dev->pci_bs = readl(&dev->uregs->pci_bs);
* Arbitration Mode
* DTACK Enable
*/
- writel(0x15060000, &dev->uregs->misc_ctl);
+ writel(0x15040000 | (readl(&dev->uregs->misc_ctl) & 0x00020000), &dev->uregs->misc_ctl);
+
+ if (readl(&dev->uregs->misc_ctl) & 0x00020000) {
+ debug ("System Controller!\n"); /* test-only */
+ } else {
+ debug ("Not System Controller!\n"); /* test-only */
+ }
/*
* Lets turn off interrupts
writel(0x0000, &dev->uregs->lint_map1); /* Map all ints to 0 */
eieio();
+ return 0;
+
break_30:
free(dev);
break_20:
- lastError = result;
-
- return 0;
+ return result;
}
}
if (i == 4) {
- UNI_PRINT(("universe: No Image available\n"));
+ printf ("universe: No Image available\n");
result = -1;
goto exit_10;
}
- UNI_DBG(("universe: Using image %d\n", i));
+ debug ("universe: Using image %d\n", i);
writel(pciAddr , &dev->uregs->lsi[i].bs);
writel((pciAddr + size), &dev->uregs->lsi[i].bd);
switch (pms & PCI_MS_Mxx) {
case PCI_MS_MEM:
- ctl = 0x00000000;
+ ctl |= 0x00000000;
break;
case PCI_MS_IO:
- ctl = 0x00000001;
+ ctl |= 0x00000001;
break;
case PCI_MS_CONFIG:
- ctl = 0x00000002;
+ ctl |= 0x00000002;
break;
}
writel(ctl, &dev->uregs->lsi[i].ctl);
- UNI_DBG(("universe: window-addr=%p\n", &dev->uregs->lsi[i].ctl));
- UNI_DBG(("universe: pci slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->lsi[i].ctl)));
- UNI_DBG(("universe: pci slave window[%d] bs=%08x\n", i, readl(&dev->uregs->lsi[i].bs)));
- UNI_DBG(("universe: pci slave window[%d] bd=%08x\n", i, readl(&dev->uregs->lsi[i].bd)));
- UNI_DBG(("universe: pci slave window[%d] to=%08x\n", i, readl(&dev->uregs->lsi[i].to)));
+ debug ("universe: window-addr=%p\n", &dev->uregs->lsi[i].ctl);
+ debug ("universe: pci slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->lsi[i].ctl));
+ debug ("universe: pci slave window[%d] bs=%08x\n", i, readl(&dev->uregs->lsi[i].bs));
+ debug ("universe: pci slave window[%d] bd=%08x\n", i, readl(&dev->uregs->lsi[i].bd));
+ debug ("universe: pci slave window[%d] to=%08x\n", i, readl(&dev->uregs->lsi[i].to));
return 0;
}
if (i == 4) {
- UNI_PRINT(("universe: No Image available\n"));
+ printf ("universe: No Image available\n");
result = -1;
goto exit_10;
}
- UNI_DBG(("universe: Using image %d\n", i));
+ debug ("universe: Using image %d\n", i);
writel(vmeAddr , &dev->uregs->vsi[i].bs);
writel((vmeAddr + size), &dev->uregs->vsi[i].bd);
switch (pms & PCI_MS_Mxx) {
case PCI_MS_MEM:
- ctl = 0x00000000;
+ ctl |= 0x00000000;
break;
case PCI_MS_IO:
- ctl = 0x00000001;
+ ctl |= 0x00000001;
break;
case PCI_MS_CONFIG:
- ctl = 0x00000002;
+ ctl |= 0x00000002;
break;
}
writel(ctl, &dev->uregs->vsi[i].ctl);
- UNI_DBG(("universe: window-addr=%p\n", &dev->uregs->vsi[i].ctl));
- UNI_DBG(("universe: vme slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->vsi[i].ctl)));
- UNI_DBG(("universe: vme slave window[%d] bs=%08x\n", i, readl(&dev->uregs->vsi[i].bs)));
- UNI_DBG(("universe: vme slave window[%d] bd=%08x\n", i, readl(&dev->uregs->vsi[i].bd)));
- UNI_DBG(("universe: vme slave window[%d] to=%08x\n", i, readl(&dev->uregs->vsi[i].to)));
+ debug ("universe: window-addr=%p\n", &dev->uregs->vsi[i].ctl);
+ debug ("universe: vme slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->vsi[i].ctl));
+ debug ("universe: vme slave window[%d] bs=%08x\n", i, readl(&dev->uregs->vsi[i].bs));
+ debug ("universe: vme slave window[%d] bd=%08x\n", i, readl(&dev->uregs->vsi[i].bd));
+ debug ("universe: vme slave window[%d] to=%08x\n", i, readl(&dev->uregs->vsi[i].to));
return 0;
/*
* Tundra Universe configuration
*/
-int do_universe(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_universe(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong addr1 = 0, addr2 = 0, size = 0, vam = 0, pms = 0, vdw = 0;
char cmd = 'x';
U_BOOT_CMD(
universe, 8, 1, do_universe,
- "universe- initialize and configure Turndra Universe\n",
+ "initialize and configure Turndra Universe",
"init\n"
" - initialize universe\n"
"universe vme [vme_addr] [pci_addr] [size] [vam] [pms]\n"
" 03 -> Configuration Space\n"
" [vdw] = VMEbus Maximum Datawidth: 01 -> D8 Data Width\n"
" 02 -> D16 Data Width\n"
- " 03 -> D32 Data Width\n"
+ " 03 -> D32 Data Width"
);
-
-#endif /* (CONFIG_COMMANDS & CFG_CMD_UNIVERSE) */