*
* Copyright 2001-2002 MontaVista Software Inc.
*
- * Copyright (C) 1996, 1997, 2001 Ralf Baechle
+ * Copyright (C) 1996, 97, 2001, 04 Ralf Baechle (ralf@linux-mips.org)
* Copyright (C) 2000 RidgeRun, Inc.
* Author: RidgeRun, Inc.
* glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com
* Copyright 2002 MontaVista Software Inc.
* Author: Michael Pruznick, michael_pruznick@mvista.com
*
- * Copyright (C) 2000-2001 Toshiba Corporation
+ * Copyright (C) 2000-2001 Toshiba Corporation
+ *
+ * Copyright (C) 2004 MontaVista Software Inc.
+ * Author: Manish Lachwani, mlachwani@mvista.com
*
* 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
#include <linux/bootmem.h>
#include <linux/blkdev.h>
#ifdef CONFIG_RTC_DS1742
-#include <asm/rtc_ds1742.h>
+#include <linux/ds1742rtc.h>
#endif
#ifdef CONFIG_TOSHIBA_FPCIB0
-#include <asm/smsc_fdc37m81x.h>
+#include <asm/tx4927/smsc_fdc37m81x.h>
#endif
#include <asm/tx4927/toshiba_rbtx4927.h>
#ifdef CONFIG_PCI
#include <asm/tx4927/tx4927_pci.h>
-#include <asm/pci_channel.h>
#endif
#ifdef CONFIG_BLK_DEV_IDEPCI
#include <linux/hdreg.h>
unsigned long tx4927_ce_base[8];
void tx4927_pci_setup(void);
void tx4927_reset_pci_pcic(void);
-#ifdef TX4927_SUPPORT_PCI_66
-void tx4927_pci66_setup(void);
-extern int tx4927_pci66_check(void);
-#endif
int tx4927_pci66 = 0; /* 0:auto */
#endif
char *toshiba_name = "";
#ifdef CONFIG_PCI
-void tx4927_dump_pcic_settings(void)
-{
- printk("%s pcic settings:",toshiba_name);
- {
- int i;
- unsigned long *preg = (unsigned long *) tx4927_pcicptr;
- for (i = 0; i < sizeof(struct tx4927_pcic_reg); i += 4) {
- if (i % 32 == 0)
- printk("\n%04x:", i);
- if (preg == &tx4927_pcicptr->g2pintack
- || preg == &tx4927_pcicptr->g2pspc
-#ifdef CONFIG_TX4927BUG_WORKAROUND
- || preg == &tx4927_pcicptr->g2pcfgadrs
- || preg == &tx4927_pcicptr->g2pcfgdata
-#endif
- ) {
- printk(" XXXXXXXX");
- preg++;
- continue;
- }
- printk(" %08lx", *preg++);
- if (preg == &tx4927_pcicptr->g2pcfgadrs)
- break;
- }
- printk("\n");
- }
-}
-
static void tx4927_pcierr_interrupt(int irq, void *dev_id,
struct pt_regs *regs)
{
- extern void tx4927_dump_pcic_settings(void);
-
#ifdef CONFIG_BLK_DEV_IDEPCI
/* ignore MasterAbort for ide probing... */
if (irq == TX4927_IRQ_IRC_PCIERR &&
}
#endif
printk("PCI error interrupt (irq 0x%x).\n", irq);
+
printk("pcistat:%04x, g2pstatus:%08lx, pcicstatus:%08lx\n",
(unsigned short) (tx4927_pcicptr->pcistatus >> 16),
tx4927_pcicptr->g2pstatus, tx4927_pcicptr->pcicstatus);
(unsigned long) (tx4927_ccfgptr->tear >> 32),
(unsigned long) tx4927_ccfgptr->tear);
show_regs(regs);
- //tx4927_dump_pcic_settings();
- panic("PCI error at PC:%08lx.", regs->cp0_epc);
}
-static struct irqaction pcic_action = {
- tx4927_pcierr_interrupt, 0, 0, "PCI-C", NULL, NULL
-};
-
-static struct irqaction pcierr_action = {
- tx4927_pcierr_interrupt, 0, 0, "PCI-ERR", NULL, NULL
-};
-
-
void __init toshiba_rbtx4927_pci_irq_init(void)
{
- setup_irq(TX4927_IRQ_IRC_PCIC, &pcic_action);
- setup_irq(TX4927_IRQ_IRC_PCIERR, &pcierr_action);
return;
}
#endif /* CONFIG_PCI */
#ifdef CONFIG_PCI
-#ifdef TX4927_SUPPORT_PCI_66
-void tx4927_pci66_setup(void)
-{
- int pciclk, pciclkin = 1;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI66,
- "-\n");
-
- if (tx4927_ccfgptr->ccfg & TX4927_CCFG_PCI66)
- return;
-
- tx4927_reset_pci_pcic();
-
- /* Assert M66EN */
- tx4927_ccfgptr->ccfg |= TX4927_CCFG_PCI66;
- /* set PCICLK 66MHz */
- if (tx4927_ccfgptr->pcfg & TX4927_PCFG_PCICLKEN_ALL) {
- unsigned int pcidivmode = 0;
- pcidivmode =
- (unsigned long) tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCIDIVMODE_MASK;
- if (tx4927_cpu_clock >= 170000000) {
- /* CPU 200MHz */
- pcidivmode = TX4927_CCFG_PCIDIVMODE_3;
- pciclk = tx4927_cpu_clock / 3;
- } else {
- /* CPU 166MHz */
- pcidivmode = TX4927_CCFG_PCIDIVMODE_2_5;
- pciclk = tx4927_cpu_clock * 2 / 5;
- }
- tx4927_ccfgptr->ccfg =
- (tx4927_ccfgptr->ccfg & ~TX4927_CCFG_PCIDIVMODE_MASK)
- | pcidivmode;
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCI66,
- ":PCICLK: ccfg:0x%08lx\n",
- (unsigned long) tx4927_ccfgptr->ccfg);
- } else {
- int pciclk_setting = *tx4927_pci_clk_ptr;
- pciclkin = 0;
- pciclk = 66666666;
- pciclk_setting &= ~TX4927_PCI_CLK_MASK;
- pciclk_setting |= TX4927_PCI_CLK_66;
- *tx4927_pci_clk_ptr = pciclk_setting;
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCI66,
- "PCICLK: pci_clk:%02x\n", *tx4927_pci_clk_ptr);
- }
-
- udelay(10000);
-
- /* clear PCIC reset */
- tx4927_ccfgptr->clkctr &= ~TX4927_CLKCTR_PCIRST;
- /* clear PCI reset */
- *tx4927_pcireset_ptr = 0;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI66,
- "+\n");
- return;
-}
-#endif /* TX4927_SUPPORT_PCI_66 */
-
void print_pci_status(void)
{
printk("PCI STATUS %lx\n", tx4927_pcicptr->pcistatus);
printk("PCIC STATUS %lx\n", tx4927_pcicptr->pcicstatus);
}
+extern struct pci_controller tx4927_controller;
+
static struct pci_dev *fake_pci_dev(struct pci_controller *hose,
int top_bus, int busnr, int devfn)
{
static struct pci_dev dev;
static struct pci_bus bus;
- dev.bus = &bus;
- dev.sysdata = hose;
+ dev.sysdata = (void *)hose;
dev.devfn = devfn;
bus.number = busnr;
bus.ops = hose->pci_ops;
-
- if (busnr != top_bus)
- /* Fake a parent bus structure. */
- bus.parent = &bus;
- else
- bus.parent = NULL;
+ bus.parent = NULL;
+ dev.bus = &bus;
return &dev;
}
EARLY_PCI_OP(write, word, u16)
EARLY_PCI_OP(write, dword, u32)
-static int __init tx4927_pcibios_init(int busno, struct pci_controller *hose)
+static int __init tx4927_pcibios_init(void)
{
unsigned int id;
u32 pci_devfn;
+ int devfn_start = 0;
+ int devfn_stop = 0xff;
+ int busno = 0; /* One bus on the Toshiba */
+ struct pci_controller *hose = &tx4927_controller;
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
"-\n");
- for (pci_devfn = 0x0; pci_devfn < 0xff; pci_devfn++) {
+ for (pci_devfn = devfn_start; pci_devfn < devfn_stop; pci_devfn++) {
early_read_config_dword(hose, busno, busno, pci_devfn,
PCI_VENDOR_ID, &id);
}
+ register_pci_controller(&tx4927_controller);
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
"+\n");
- return busno;
+ return 0;
}
+arch_initcall(tx4927_pcibios_init);
+
extern struct resource pci_io_resource;
extern struct resource pci_mem_resource;
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "-\n");
-#ifndef TX4927_SUPPORT_PCI_66
- if (tx4927_ccfgptr->ccfg & TX4927_CCFG_PCI66)
- printk("PCI 66 current unsupported\n");
-#endif
-
mips_memory_upper = tx4927_get_mem_size() << 20;
mips_memory_upper += KSEG0;
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
/* PCI->GB mappings (I/O 256B) */
tx4927_pcicptr->p2giopbase = 0; /* 256B */
-
-#ifdef TX4927_SUPPORT_COMMAND_IO
- tx4927_pcicptr->p2giogbase = 0 | TX4927_PCIC_P2GIOGBASE_TIOEN |
-#ifdef __BIG_ENDIAN
- TX4927_PCIC_P2GIOGBASE_TECHG
-#else
- TX4927_PCIC_P2GIOGBASE_TBSDIS
-#endif
- ;
-#else
- tx4927_pcicptr->p2giogbase = 0;
-#endif
-
/* PCI->GB mappings (MEM 512MB) M0 gets all of memory */
tx4927_pcicptr->p2gm0plbase = 0;
tx4927_pcicptr->p2gm0pubase = 0;
if (tx4927_pcic_trdyto >= 0) {
tx4927_pcicptr->g2ptocnt &= ~0xff;
tx4927_pcicptr->g2ptocnt |= (tx4927_pcic_trdyto & 0xff);
- //printk("%s PCIC -- TRDYTO:%02lx\n",toshiba_name,
- // tx4927_pcicptr->g2ptocnt & 0xff);
}
/* Clear All Local Bus Status */
tx4927_pcicptr->pcistatus = PCI_COMMAND_MASTER |
PCI_COMMAND_MEMORY |
-#ifdef TX4927_SUPPORT_COMMAND_IO
- PCI_COMMAND_IO |
-#endif
PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
":pci setup complete:\n");
- //tx4927_dump_pcic_settings();
-
- tx4927_pcibios_init(0, &tx4927_controller);
-
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "+\n");
}
reg_wr08(RBTX4927_SW_RESET_DO, RBTX4927_SW_RESET_DO_SET);
/* do something passive while waiting for reset */
- cli();
+ local_irq_disable();
while (1)
asm_wait();
void toshiba_rbtx4927_halt(void)
{
printk(KERN_NOTICE "System Halted\n");
- cli();
+ local_irq_disable();
while (1) {
asm_wait();
}
void __init toshiba_rbtx4927_setup(void)
{
vu32 cp0_config;
+ char *argptr;
printk("CPU is %s\n", toshiba_name);
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
"+\n");
-
-
- mips_io_port_base = KSEG1 + TBTX4927_ISA_IO_OFFSET;
+ set_io_port_base(KSEG1 + TBTX4927_ISA_IO_OFFSET);
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
":mips_io_port_base=0x%08lx\n",
mips_io_port_base);
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
":Resource\n");
- ioport_resource.start = 0;
ioport_resource.end = 0xffffffff;
- iomem_resource.start = 0;
iomem_resource.end = 0xffffffff;
-
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
":ResetRoutines\n");
_machine_restart = toshiba_rbtx4927_restart;
tx4927_sdramcptr->tr |= 0x02000000; /* RCD:3tck */
#endif
-#ifdef TX4927_SUPPORT_PCI_66
- tx4927_pci66_setup();
-#endif
-
tx4927_pci_setup();
-#endif
-
-
- {
- u32 id = 0;
- early_read_config_dword(&tx4927_controller, 0, 0, 0x90,
- PCI_VENDOR_ID, &id);
- if (id == 0x94601055) {
- tx4927_using_backplane = 1;
- printk("backplane board IS installed\n");
- } else {
- printk("backplane board NOT installed\n");
- }
- }
+ if (tx4927_using_backplane == 1)
+ printk("backplane board IS installed\n");
+ else
+ printk("No Backplane \n");
/* this is on ISA bus behind PCI bus, so need PCI up first */
#ifdef CONFIG_TOSHIBA_FPCIB0
}
#endif
+#endif /* CONFIG_PCI */
+
+#ifdef CONFIG_SERIAL_TXX9_CONSOLE
+ argptr = prom_getcmdline();
+ if (strstr(argptr, "console=") == NULL) {
+ strcat(argptr, " console=ttyS0,38400");
+ }
+#endif
+
+#ifdef CONFIG_ROOT_NFS
+ argptr = prom_getcmdline();
+ if (strstr(argptr, "root=") == NULL) {
+ strcat(argptr, " root=/dev/nfs rw");
+ }
+#endif
+
+
+#ifdef CONFIG_IP_PNP
+ argptr = prom_getcmdline();
+ if (strstr(argptr, "ip=") == NULL) {
+ strcat(argptr, " ip=any");
+ }
+#endif
+
TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- "+\n");
+ "+\n");
}
+#ifdef CONFIG_RTC_DS1742
+extern unsigned long rtc_ds1742_get_time(void);
+extern int rtc_ds1742_set_time(unsigned long);
+extern void rtc_ds1742_wait(void);
+#endif
+
void __init
toshiba_rbtx4927_time_init(void)
{
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