mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 15:14:43 +00:00
Tundra universe support added
This commit is contained in:
stroese
parent
bcd0be5cf1
commit
256e4be814
2 changed files with 548 additions and 0 deletions
391
common/cmd_universe.c
Normal file
391
common/cmd_universe.c
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@ -0,0 +1,391 @@
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/*
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* (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.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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#include <common.h>
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#include <command.h>
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#include <malloc.h>
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#include <asm/io.h>
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#include <pci.h>
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#include <universe.h>
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#if (CONFIG_COMMANDS & CFG_CMD_UNIVERSE)
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#undef DBG
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#ifdef DBG
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# define UNI_DBG(fmt) printf fmt
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#else
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# define UNI_DBG(fmt)
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#endif
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#define UNI_PRINT(fmt) printf fmt
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#define PCI_VENDOR PCI_VENDOR_ID_TUNDRA
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#define PCI_DEVICE PCI_DEVICE_ID_TUNDRA_CA91C042
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typedef struct _UNI_DEV UNI_DEV;
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struct _UNI_DEV {
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int bus;
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pci_dev_t busdevfn;
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UNIVERSE *uregs;
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unsigned int pci_bs;
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};
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static UNI_DEV *dev;
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int universe_init(void)
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{
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int j, result, lastError = 0;
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pci_dev_t busdevfn;
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unsigned int val;
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busdevfn = pci_find_device(PCI_VENDOR, PCI_DEVICE, 0);
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if (busdevfn == -1) {
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puts("No Tundra Universe found!\n");
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return -1;
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}
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/* Lets turn Latency off */
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pci_write_config_dword(busdevfn, 0x0c, 0);
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dev = malloc(sizeof(*dev));
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if (NULL == dev) {
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puts("UNIVERSE: No memory!\n");
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result = -1;
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goto break_20;
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}
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memset(dev, 0, sizeof(*dev));
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dev->busdevfn = busdevfn;
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pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_1, &val);
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val &= ~0xf;
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dev->uregs = (UNIVERSE *)val;
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UNI_DBG(("UNIVERSE-Base : %p\n", dev->uregs));
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/* check mapping */
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UNI_DBG((" Read via mapping, PCI_ID = %08X\n", readl(&dev->uregs->pci_id)));
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if (((PCI_DEVICE <<16) | PCI_VENDOR) != readl(&dev->uregs->pci_id)) {
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UNI_PRINT(("UNIVERSE: Cannot read PCI-ID via Mapping: %08x\n",
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readl(&dev->uregs->pci_id)));
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result = -1;
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goto break_30;
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}
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UNI_DBG(("PCI_BS = %08X\n", readl(&dev->uregs->pci_bs)));
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dev->pci_bs = readl(&dev->uregs->pci_bs);
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/* turn off windows */
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for (j=0; j <4; j ++) {
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writel(0x00800000, &dev->uregs->lsi[j].ctl);
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writel(0x00800000, &dev->uregs->vsi[j].ctl);
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}
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/*
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* Write to Misc Register
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* Set VME Bus Time-out
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* Arbitration Mode
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* DTACK Enable
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*/
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writel(0x15060000, &dev->uregs->misc_ctl);
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/*
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* Lets turn off interrupts
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*/
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writel(0x00000000,&dev->uregs->lint_en); /* Disable interrupts in the Universe first */
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writel(0x0000FFFF,&dev->uregs->lint_stat); /* Clear Any Pending Interrupts */
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eieio();
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writel(0x0000, &dev->uregs->lint_map0); /* Map all ints to 0 */
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writel(0x0000, &dev->uregs->lint_map1); /* Map all ints to 0 */
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eieio();
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break_30:
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free(dev);
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break_20:
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lastError = result;
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return 0;
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}
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/*
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* Create pci slave window (access: pci -> vme)
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*/
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int universe_pci_slave_window(unsigned int pciAddr, unsigned int vmeAddr, int size, int vam, int pms, int vdw)
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{
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int result, i;
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unsigned int ctl = 0;
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if (NULL == dev) {
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result = -1;
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goto exit_10;
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}
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for (i = 0; i < 4; i++) {
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if (0x00800000 == readl(&dev->uregs->lsi[i].ctl))
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break;
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}
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if (i == 4) {
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UNI_PRINT(("universe: No Image available\n"));
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result = -1;
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goto exit_10;
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}
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UNI_DBG(("universe: Using image %d\n", i));
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writel(pciAddr , &dev->uregs->lsi[i].bs);
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writel((pciAddr + size), &dev->uregs->lsi[i].bd);
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writel((vmeAddr - pciAddr), &dev->uregs->lsi[i].to);
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switch (vam & VME_AM_Axx) {
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case VME_AM_A16:
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ctl = 0x00000000;
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break;
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case VME_AM_A24:
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ctl = 0x00010000;
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break;
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case VME_AM_A32:
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ctl = 0x00020000;
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break;
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}
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switch (vam & VME_AM_Mxx) {
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case VME_AM_DATA:
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ctl |= 0x00000000;
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break;
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case VME_AM_PROG:
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ctl |= 0x00008000;
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break;
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}
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if (vam & VME_AM_SUP) {
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ctl |= 0x00001000;
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}
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switch (vdw & VME_FLAG_Dxx) {
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case VME_FLAG_D8:
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ctl |= 0x00000000;
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break;
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case VME_FLAG_D16:
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ctl |= 0x00400000;
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break;
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case VME_FLAG_D32:
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ctl |= 0x00800000;
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break;
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}
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switch (pms & PCI_MS_Mxx) {
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case PCI_MS_MEM:
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ctl = 0x00000000;
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break;
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case PCI_MS_IO:
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ctl = 0x00000001;
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break;
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case PCI_MS_CONFIG:
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ctl = 0x00000002;
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break;
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}
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ctl |= 0x80000000; /* enable */
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writel(ctl, &dev->uregs->lsi[i].ctl);
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UNI_DBG(("universe: window-addr=%p\n", &dev->uregs->lsi[i].ctl));
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UNI_DBG(("universe: pci slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->lsi[i].ctl)));
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UNI_DBG(("universe: pci slave window[%d] bs=%08x\n", i, readl(&dev->uregs->lsi[i].bs)));
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UNI_DBG(("universe: pci slave window[%d] bd=%08x\n", i, readl(&dev->uregs->lsi[i].bd)));
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UNI_DBG(("universe: pci slave window[%d] to=%08x\n", i, readl(&dev->uregs->lsi[i].to)));
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return 0;
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exit_10:
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return -result;
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}
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/*
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* Create vme slave window (access: vme -> pci)
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*/
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int universe_vme_slave_window(unsigned int vmeAddr, unsigned int pciAddr, int size, int vam, int pms)
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{
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int result, i;
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unsigned int ctl = 0;
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if (NULL == dev) {
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result = -1;
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goto exit_10;
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}
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for (i = 0; i < 4; i++) {
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if (0x00800000 == readl(&dev->uregs->vsi[i].ctl))
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break;
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}
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if (i == 4) {
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UNI_PRINT(("universe: No Image available\n"));
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result = -1;
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goto exit_10;
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}
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UNI_DBG(("universe: Using image %d\n", i));
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writel(vmeAddr , &dev->uregs->vsi[i].bs);
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writel((vmeAddr + size), &dev->uregs->vsi[i].bd);
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writel((pciAddr - vmeAddr), &dev->uregs->vsi[i].to);
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switch (vam & VME_AM_Axx) {
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case VME_AM_A16:
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ctl = 0x00000000;
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break;
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case VME_AM_A24:
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ctl = 0x00010000;
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break;
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case VME_AM_A32:
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ctl = 0x00020000;
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break;
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}
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switch (vam & VME_AM_Mxx) {
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case VME_AM_DATA:
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ctl |= 0x00000000;
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break;
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case VME_AM_PROG:
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ctl |= 0x00800000;
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break;
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}
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if (vam & VME_AM_SUP) {
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ctl |= 0x00100000;
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}
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switch (pms & PCI_MS_Mxx) {
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case PCI_MS_MEM:
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ctl = 0x00000000;
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break;
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case PCI_MS_IO:
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ctl = 0x00000001;
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break;
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case PCI_MS_CONFIG:
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ctl = 0x00000002;
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break;
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}
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ctl |= 0x80f00000; /* enable */
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writel(ctl, &dev->uregs->vsi[i].ctl);
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UNI_DBG(("universe: window-addr=%p\n", &dev->uregs->vsi[i].ctl));
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UNI_DBG(("universe: vme slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->vsi[i].ctl)));
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UNI_DBG(("universe: vme slave window[%d] bs=%08x\n", i, readl(&dev->uregs->vsi[i].bs)));
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UNI_DBG(("universe: vme slave window[%d] bd=%08x\n", i, readl(&dev->uregs->vsi[i].bd)));
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UNI_DBG(("universe: vme slave window[%d] to=%08x\n", i, readl(&dev->uregs->vsi[i].to)));
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return 0;
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exit_10:
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return -result;
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}
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/*
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* Tundra Universe configuration
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*/
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int do_universe(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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ulong addr1 = 0, addr2 = 0, size = 0, vam = 0, pms = 0, vdw = 0;
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char cmd = 'x';
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/* get parameter */
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if (argc > 1)
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cmd = argv[1][0];
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if (argc > 2)
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addr1 = simple_strtoul(argv[2], NULL, 16);
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if (argc > 3)
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addr2 = simple_strtoul(argv[3], NULL, 16);
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if (argc > 4)
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size = simple_strtoul(argv[4], NULL, 16);
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if (argc > 5)
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vam = simple_strtoul(argv[5], NULL, 16);
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if (argc > 6)
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pms = simple_strtoul(argv[6], NULL, 16);
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if (argc > 7)
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vdw = simple_strtoul(argv[7], NULL, 16);
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switch (cmd) {
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case 'i': /* init */
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universe_init();
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break;
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case 'v': /* vme */
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printf("Configuring Universe VME Slave Window (VME->PCI):\n");
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printf(" vme=%08lx pci=%08lx size=%08lx vam=%02lx pms=%02lx\n",
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addr1, addr2, size, vam, pms);
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universe_vme_slave_window(addr1, addr2, size, vam, pms);
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break;
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case 'p': /* pci */
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printf("Configuring Universe PCI Slave Window (PCI->VME):\n");
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printf(" pci=%08lx vme=%08lx size=%08lx vam=%02lx pms=%02lx vdw=%02lx\n",
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addr1, addr2, size, vam, pms, vdw);
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universe_pci_slave_window(addr1, addr2, size, vam, pms, vdw);
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break;
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default:
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printf("Universe command %s not supported!\n", argv[1]);
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}
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return 0;
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}
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U_BOOT_CMD(
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universe, 8, 1, do_universe,
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"universe- initialize and configure Turndra Universe\n",
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"init\n"
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" - initialize universe\n"
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"universe vme [vme_addr] [pci_addr] [size] [vam] [pms]\n"
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" - create vme slave window (access: vme->pci)\n"
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"universe pci [pci_addr] [vme_addr] [size] [vam] [pms] [vdw]\n"
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" - create pci slave window (access: pci->vme)\n"
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" [vam] = VMEbus Address-Modifier: 01 -> A16 Address Space\n"
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" 02 -> A24 Address Space\n"
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" 03 -> A32 Address Space\n"
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" 04 -> Supervisor AM Code\n"
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" 10 -> Data AM Code\n"
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" 20 -> Program AM Code\n"
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" [pms] = PCI Memory Space: 01 -> Memory Space\n"
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" 02 -> I/O Space\n"
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" 03 -> Configuration Space\n"
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" [vdw] = VMEbus Maximum Datawidth: 01 -> D8 Data Width\n"
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" 02 -> D16 Data Width\n"
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" 03 -> D32 Data Width\n"
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);
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#endif /* (CONFIG_COMMANDS & CFG_CMD_UNIVERSE) */
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157
include/universe.h
Normal file
157
include/universe.h
Normal file
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@ -0,0 +1,157 @@
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/*
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* (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.com
|
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*
|
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* 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
|
||||
*/
|
||||
|
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#ifndef _universe_h
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#define _universe_h
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typedef struct _UNIVERSE UNIVERSE;
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typedef struct _SLAVE_IMAGE SLAVE_IMAGE;
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typedef struct _TDMA_CMD_PACKET TDMA_CMD_PACKET;
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struct _SLAVE_IMAGE {
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unsigned int ctl; /* Control */
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unsigned int bs; /* Base */
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unsigned int bd; /* Bound */
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unsigned int to; /* Translation */
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unsigned int reserved;
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};
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struct _UNIVERSE {
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unsigned int pci_id;
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unsigned int pci_csr;
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unsigned int pci_class;
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unsigned int pci_misc0;
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unsigned int pci_bs;
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unsigned int spare0[10];
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unsigned int pci_misc1;
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unsigned int spare1[48];
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SLAVE_IMAGE lsi[4];
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unsigned int spare2[8];
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unsigned int scyc_ctl;
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unsigned int scyc_addr;
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unsigned int scyc_en;
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unsigned int scyc_cmp;
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unsigned int scyc_swp;
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unsigned int lmisc;
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unsigned int slsi;
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unsigned int l_cmderr;
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unsigned int laerr;
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unsigned int spare3[27];
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unsigned int dctl;
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unsigned int dtbc;
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unsigned int dla;
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unsigned int spare4[1];
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unsigned int dva;
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unsigned int spare5[1];
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unsigned int dcpp;
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unsigned int spare6[1];
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unsigned int dgcs;
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unsigned int d_llue;
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unsigned int spare7[54];
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unsigned int lint_en;
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unsigned int lint_stat;
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unsigned int lint_map0;
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unsigned int lint_map1;
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unsigned int vint_en;
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unsigned int vint_stat;
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unsigned int vint_map0;
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unsigned int vint_map1;
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unsigned int statid;
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||||
unsigned int vx_statid[7];
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unsigned int spare8[48];
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||||
unsigned int mast_ctl;
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||||
unsigned int misc_ctl;
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||||
unsigned int misc_stat;
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unsigned int user_am;
|
||||
unsigned int spare9[700];
|
||||
SLAVE_IMAGE vsi[4];
|
||||
unsigned int spare10[8];
|
||||
unsigned int vrai_ctl;
|
||||
unsigned int vrai_bs;
|
||||
unsigned int spare11[2];
|
||||
unsigned int vcsr_ctl;
|
||||
unsigned int vcsr_to;
|
||||
unsigned int v_amerr;
|
||||
unsigned int vaerr;
|
||||
unsigned int spare12[25];
|
||||
unsigned int vcsr_clr;
|
||||
unsigned int vcsr_set;
|
||||
unsigned int vcsr_bs;
|
||||
};
|
||||
|
||||
#define IRQ_VOWN 0x0001
|
||||
#define IRQ_VIRQ1 0x0002
|
||||
#define IRQ_VIRQ2 0x0004
|
||||
#define IRQ_VIRQ3 0x0008
|
||||
#define IRQ_VIRQ4 0x0010
|
||||
#define IRQ_VIRQ5 0x0020
|
||||
#define IRQ_VIRQ6 0x0040
|
||||
#define IRQ_VIRQ7 0x0080
|
||||
#define IRQ_DMA 0x0100
|
||||
#define IRQ_LERR 0x0200
|
||||
#define IRQ_VERR 0x0400
|
||||
#define IRQ_res 0x0800
|
||||
#define IRQ_IACK 0x1000
|
||||
#define IRQ_SWINT 0x2000
|
||||
#define IRQ_SYSFAIL 0x4000
|
||||
#define IRQ_ACFAIL 0x8000
|
||||
|
||||
struct _TDMA_CMD_PACKET {
|
||||
unsigned int dctl; /* DMA Control */
|
||||
unsigned int dtbc; /* Transfer Byte Count */
|
||||
unsigned int dlv; /* PCI Address */
|
||||
unsigned int res1; /* Reserved */
|
||||
unsigned int dva; /* Vme Address */
|
||||
unsigned int res2; /* Reserved */
|
||||
unsigned int dcpp; /* Pointer to Numed Cmd Packet with rPN */
|
||||
unsigned int res3; /* Reserved */
|
||||
};
|
||||
|
||||
#define VME_AM_A16 0x01
|
||||
#define VME_AM_A24 0x02
|
||||
#define VME_AM_A32 0x03
|
||||
#define VME_AM_Axx 0x03
|
||||
#define VME_AM_SUP 0x04
|
||||
#define VME_AM_DATA 0x10
|
||||
#define VME_AM_PROG 0x20
|
||||
#define VME_AM_Mxx 0x30
|
||||
|
||||
#define VME_FLAG_D8 0x01
|
||||
#define VME_FLAG_D16 0x02
|
||||
#define VME_FLAG_D32 0x03
|
||||
#define VME_FLAG_Dxx 0x03
|
||||
|
||||
#define PCI_MS_MEM 0x01
|
||||
#define PCI_MS_IO 0x02
|
||||
#define PCI_MS_CONFIG 0x03
|
||||
#define PCI_MS_Mxx 0x03
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in a new issue