Viewing file:  setup.c (15.69 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* $Id: setup.c,v 1.4 1999/10/09 00:00:57 ralf Exp $
*
* setup.c: Baget/MIPS specific setup, including init of the feature struct.
*
* Copyright (C) 1998 Gleb Raiko & Vladimir Roganov
*
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <asm/irq.h>
#include <asm/addrspace.h>
#include <asm/reboot.h>
#include <asm/baget/baget.h>
long int vac_memory_upper;
#define CACHEABLE_STR(val) ((val) ? "not cached" : "cached")
#define MIN(a,b) (((a)<(b)) ? (a):(b))
static void __init vac_show(void)
{
int i;
unsigned short val, decode = vac_inw(VAC_DECODE_CTRL);
unsigned short a24_base = vac_inw(VAC_A24_BASE);
unsigned long a24_addr = ((unsigned long)
(a24_base & VAC_A24_MASK)) << 16;
char *decode_mode[] = { "eprom", "vsb", "shared", "dram" };
char *address_mode[] = { "", ", A16", ", A32/A24", ", A32/A24/A16" };
char *state[] = { "", " on write", " on read", " on read/write", };
char *region_mode[] = { "inactive", "shared", "vsb", "vme" };
char *asiz[] = { "user", "A32", "A16", "A24" };
unsigned short regs[] = { VAC_REG1, VAC_REG2, VAC_REG3 };
unsigned short bndr[] = { VAC_DRAM_MASK,VAC_BNDR2,VAC_BNDR3 };
unsigned short io_sels[] = { VAC_IOSEL0_CTRL,
VAC_IOSEL1_CTRL,
VAC_IOSEL2_CTRL,
VAC_IOSEL3_CTRL,
VAC_IOSEL4_CTRL,
VAC_IOSEL5_CTRL };
printk("[DSACKi %s, DRAMCS%s qualified, boundary%s qualified%s]\n",
(decode & VAC_DECODE_DSACKI) ? "on" : "off",
(decode & VAC_DECODE_QFY_DRAMCS) ? "" : " not",
(decode & VAC_DECODE_QFY_BNDR) ? "" : " not",
(decode & VAC_DECODE_FPUCS) ? ", fpu" : "");
printk("slave0 ");
if (decode & VAC_DECODE_RDR_SLSEL0)
printk("at %08lx (%d MB)\t[dram %s]\n",
((unsigned long)vac_inw(VAC_SLSEL0_BASE))<<16,
((0xffff ^ vac_inw(VAC_SLSEL0_MASK)) + 1) >> 4,
(decode & VAC_DECODE_QFY_SLSEL0) ? "qualified" : "");
else
printk("off\n");
printk("slave1 ");
if (decode & VAC_DECODE_RDR_SLSEL1)
printk("at %08lx (%d MB)\t[%s%s, %s]\n",
((unsigned long)vac_inw(VAC_SLSEL1_BASE))<<16,
((0xffff ^ vac_inw(VAC_SLSEL1_MASK)) + 1) >> 4,
decode_mode[VAC_DECODE_MODE_VAL(decode)],
address_mode[VAC_DECODE_CMP_SLSEL1_VAL(decode)],
(decode & VAC_DECODE_QFY_SLSEL1) ? "qualified" : "");
else
printk("off\n");
printk("icf global at %04x, module at %04x [%s]\n",
((unsigned int)
VAC_ICFSEL_GLOBAL_VAL(vac_inw(VAC_ICFSEL_BASE)))<<4,
((unsigned int)
VAC_ICFSEL_MODULE_VAL(vac_inw(VAC_ICFSEL_BASE)))<<4,
(decode & VAC_DECODE_QFY_ICFSEL) ? "qualified" : "");
printk("region0 at 00000000 (%dMB)\t[dram, %s, delay %d cpuclk"
", cached]\n",
(vac_inw(VAC_DRAM_MASK)+1)>>4,
(decode & VAC_DECODE_DSACK) ? "D32" : "3state",
VAC_DECODE_CPUCLK_VAL(decode));
for (i = 0; i < sizeof(regs)/sizeof(regs[0]); i++) {
unsigned long from =
((unsigned long)vac_inw(bndr[i]))<<16;
unsigned long to =
((unsigned long)
((i+1 == sizeof(bndr)/sizeof(bndr[0])) ?
0xff00 : vac_inw(bndr[i+1])))<<16;
val = vac_inw(regs[i]);
printk("region%d at %08lx (%dMB)\t[%s %s/%s, %s]\n",
i+1,
from,
(unsigned int)((to - from) >> 20),
region_mode[VAC_REG_MODE(val)],
asiz[VAC_REG_ASIZ_VAL(val)],
((val & VAC_REG_WORD) ? "D16" : "D32"),
CACHEABLE_STR(val&VAC_A24_A24_CACHINH));
if (a24_addr >= from && a24_addr < to)
printk("\ta24 at %08lx (%dMB)\t[vme, A24/%s, %s]\n",
a24_addr,
MIN((unsigned int)(a24_addr - from)>>20, 32),
(a24_base & VAC_A24_DATAPATH) ? "user" :
((a24_base & VAC_A24_D32_ENABLE) ?
"D32" : "D16"),
CACHEABLE_STR(a24_base & VAC_A24_A24_CACHINH));
}
printk("region4 at ff000000 (15MB)\t[eprom]\n");
val = vac_inw(VAC_EPROMCS_CTRL);
printk("\t[ack %d cpuclk%s, %s%srecovery %d cpuclk, "
"read %d%s, write %d%s, assert %d%s]\n",
VAC_CTRL_DELAY_DSACKI_VAL(val),
state[val & (VAC_CTRL_IORD|VAC_CTRL_IOWR)],
(val & VAC_CTRL_DSACK0) ? "dsack0*, " : "",
(val & VAC_CTRL_DSACK1) ? "dsack1*, " : "",
VAC_CTRL_RECOVERY_IOSELI_VAL(val),
VAC_CTRL_DELAY_IORD_VAL(val)/2,
(VAC_CTRL_DELAY_IORD_VAL(val)&1) ? ".5" : "",
VAC_CTRL_DELAY_IOWR_VAL(val)/2,
(VAC_CTRL_DELAY_IOWR_VAL(val)&1) ? ".5" : "",
VAC_CTRL_DELAY_IOSELI_VAL(val)/2,
(VAC_CTRL_DELAY_IOSELI_VAL(val)&1) ? ".5" : "");
printk("region5 at fff00000 (896KB)\t[local io, %s]\n",
CACHEABLE_STR(vac_inw(VAC_A24_BASE) & VAC_A24_IO_CACHINH));
for (i = 0; i < sizeof(io_sels)/sizeof(io_sels[0]); i++) {
val = vac_inw(io_sels[i]);
printk("\tio%d[ack %d cpuclk%s, %s%srecovery %d cpuclk, "
"\n\t read %d%s cpuclk, write %d%s cpuclk, "
"assert %d%s%s cpuclk]\n",
i,
VAC_CTRL_DELAY_DSACKI_VAL(val),
state[val & (VAC_CTRL_IORD|VAC_CTRL_IOWR)],
(val & VAC_CTRL_DSACK0) ? "dsack0*, " : "",
(val & VAC_CTRL_DSACK1) ? "dsack1*, " : "",
VAC_CTRL_RECOVERY_IOSELI_VAL(val),
VAC_CTRL_DELAY_IORD_VAL(val)/2,
(VAC_CTRL_DELAY_IORD_VAL(val)&1) ? ".5" : "",
VAC_CTRL_DELAY_IOWR_VAL(val)/2,
(VAC_CTRL_DELAY_IOWR_VAL(val)&1) ? ".5" : "",
VAC_CTRL_DELAY_IOSELI_VAL(val)/2,
(VAC_CTRL_DELAY_IOSELI_VAL(val)&1) ? ".5" : "",
(vac_inw(VAC_DEV_LOC) & VAC_DEV_LOC_IOSEL(i)) ?
", id" : "");
}
printk("region6 at fffe0000 (128KB)\t[vme, A16/%s, "
"not cached]\n",
(a24_base & VAC_A24_A16D32_ENABLE) ?
((a24_base & VAC_A24_A16D32) ? "D32" : "D16") : "user");
val = vac_inw(VAC_SHRCS_CTRL);
printk("shared[ack %d cpuclk%s, %s%srecovery %d cpuclk, "
"read %d%s, write %d%s, assert %d%s]\n",
VAC_CTRL_DELAY_DSACKI_VAL(val),
state[val & (VAC_CTRL_IORD|VAC_CTRL_IOWR)],
(val & VAC_CTRL_DSACK0) ? "dsack0*, " : "",
(val & VAC_CTRL_DSACK1) ? "dsack1*, " : "",
VAC_CTRL_RECOVERY_IOSELI_VAL(val),
VAC_CTRL_DELAY_IORD_VAL(val)/2,
(VAC_CTRL_DELAY_IORD_VAL(val)&1) ? ".5" : "",
VAC_CTRL_DELAY_IOWR_VAL(val)/2,
(VAC_CTRL_DELAY_IOWR_VAL(val)&1) ? ".5" : "",
VAC_CTRL_DELAY_IOSELI_VAL(val)/2,
(VAC_CTRL_DELAY_IOSELI_VAL(val)&1) ? ".5" : "");
}
static void __init vac_init(void)
{
unsigned short mem_limit = (vac_memory_upper >> 16);
switch(vac_inw(VAC_ID)) {
case 0x1AC0:
printk("VAC068-F5: ");
break;
case 0x1AC1:
printk("VAC068A: ");
break;
default:
panic("Unknown VAC revision number");
}
vac_outw(mem_limit-1, VAC_DRAM_MASK);
vac_outw(mem_limit, VAC_BNDR2);
vac_outw(mem_limit, VAC_BNDR3);
vac_outw(((BAGET_A24M_BASE>>16)&~VAC_A24_D32_ENABLE)|VAC_A24_DATAPATH,
VAC_A24_BASE);
vac_outw(VAC_REG_INACTIVE|VAC_REG_ASIZ0,VAC_REG1);
vac_outw(VAC_REG_INACTIVE|VAC_REG_ASIZ0,VAC_REG2);
vac_outw(VAC_REG_MWB|VAC_REG_ASIZ1,VAC_REG3);
vac_outw(BAGET_A24S_BASE>>16,VAC_SLSEL0_BASE);
vac_outw(BAGET_A24S_MASK>>16,VAC_SLSEL0_MASK);
vac_outw(BAGET_A24S_BASE>>16,VAC_SLSEL1_BASE);
vac_outw(BAGET_A24S_MASK>>16,VAC_SLSEL1_MASK);
vac_outw(BAGET_GSW_BASE|BAGET_MSW_BASE(0),VAC_ICFSEL_BASE);
vac_outw(VAC_DECODE_FPUCS|
VAC_DECODE_CPUCLK(3)|
VAC_DECODE_RDR_SLSEL0|VAC_DECODE_RDR_SLSEL1|
VAC_DECODE_DSACK|
VAC_DECODE_QFY_BNDR|
VAC_DECODE_QFY_ICFSEL|
VAC_DECODE_QFY_SLSEL1|VAC_DECODE_QFY_SLSEL0|
VAC_DECODE_CMP_SLSEL1_HI|
VAC_DECODE_DRAMCS|
VAC_DECODE_QFY_DRAMCS|
VAC_DECODE_DSACKI,VAC_DECODE_CTRL);
vac_outw(VAC_PIO_FUNC_UART_A_TX|VAC_PIO_FUNC_UART_A_RX|
VAC_PIO_FUNC_UART_B_TX|VAC_PIO_FUNC_UART_B_RX|
VAC_PIO_FUNC_IOWR|
VAC_PIO_FUNC_IOSEL3|
VAC_PIO_FUNC_IRQ7|VAC_PIO_FUNC_IRQ10|VAC_PIO_FUNC_IRQ11|
VAC_PIO_FUNC_IOSEL2|
VAC_PIO_FUNC_FCIACK,VAC_PIO_FUNC);
vac_outw(VAC_PIO_DIR_FCIACK |
VAC_PIO_DIR_OUT(0) |
VAC_PIO_DIR_OUT(1) |
VAC_PIO_DIR_OUT(2) |
VAC_PIO_DIR_OUT(3) |
VAC_PIO_DIR_IN(4) |
VAC_PIO_DIR_OUT(5) |
VAC_PIO_DIR_OUT(6) |
VAC_PIO_DIR_OUT(7) |
VAC_PIO_DIR_OUT(8) |
VAC_PIO_DIR_IN(9) |
VAC_PIO_DIR_OUT(10)|
VAC_PIO_DIR_OUT(11)|
VAC_PIO_DIR_OUT(12)|
VAC_PIO_DIR_OUT(13),VAC_PIO_DIRECTION);
vac_outw(VAC_DEV_LOC_IOSEL(2),VAC_DEV_LOC);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(1)|
VAC_CTRL_DELAY_DSACKI(8),VAC_SHRCS_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(1)|
VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
VAC_CTRL_DELAY_DSACKI(8),VAC_EPROMCS_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(2)|
VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL0_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(2)|
VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL1_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(2)|
VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL2_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(2)|
VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL3_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(2)|
VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL4_CTRL);
vac_outw(VAC_CTRL_IOWR|
VAC_CTRL_DELAY_IOWR(3)|
VAC_CTRL_DELAY_IORD(3)|
VAC_CTRL_RECOVERY_IOSELI(2)|
VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL5_CTRL);
vac_show();
}
static void __init vac_start(void)
{
vac_outw(0, VAC_ID);
vac_outw(VAC_INT_CTRL_TIMER_DISABLE|
VAC_INT_CTRL_UART_B_DISABLE|
VAC_INT_CTRL_UART_A_DISABLE|
VAC_INT_CTRL_MBOX_DISABLE|
VAC_INT_CTRL_PIO4_DISABLE|
VAC_INT_CTRL_PIO7_DISABLE|
VAC_INT_CTRL_PIO8_DISABLE|
VAC_INT_CTRL_PIO9_DISABLE,VAC_INT_CTRL);
vac_outw(VAC_INT_CTRL_TIMER_PIO10|
VAC_INT_CTRL_UART_B_PIO7|
VAC_INT_CTRL_UART_A_PIO7,VAC_INT_CTRL);
/*
* Set quadro speed for both UARTs.
* To do it we need use formulae from VIC/VAC manual,
* keeping in mind Baget's 50MHz frequency...
*/
vac_outw((500000/(384*16))<<8,VAC_CPU_CLK_DIV);
}
static void __init vic_show(void)
{
unsigned char val;
char *timeout[] = { "4", "16", "32", "64", "128", "256", "disabled" };
char *deadlock[] = { "[dedlk only]", "[dedlk only]",
"[dedlk], [halt w/ rmc], [lberr]",
"[dedlk], [halt w/o rmc], [lberr]" };
val = vic_inb(VIC_IFACE_CFG);
if (val & VIC_IFACE_CFG_VME)
printk("VMEbus controller ");
if (val & VIC_IFACE_CFG_TURBO)
printk("turbo ");
if (val & VIC_IFACE_CFG_MSTAB)
printk("metastability delay ");
printk("%s ",
deadlock[VIC_IFACE_CFG_DEADLOCK_VAL(val)]);
printk("interrupts: ");
val = vic_inb(VIC_ERR_INT);
if (!(val & VIC_ERR_INT_SYSFAIL))
printk("[sysfail]");
if (!(val & VIC_ERR_INT_TIMO))
printk("[timeout]");
if (!(val & VIC_ERR_INT_WRPOST))
printk("[write post]");
if (!(val & VIC_ERR_INT_ACFAIL))
printk("[acfail] ");
printk("\n");
printk("timeouts: ");
val = vic_inb(VIC_XFER_TIMO);
printk("local %s, vme %s ",
timeout[VIC_XFER_TIMO_LOCAL_PERIOD_VAL(val)],
timeout[VIC_XFER_TIMO_VME_PERIOD_VAL(val)]);
if (val & VIC_XFER_TIMO_VME)
printk("acquisition ");
if (val & VIC_XFER_TIMO_ARB)
printk("arbitration ");
printk("\n");
val = vic_inb(VIC_LOCAL_TIM);
printk("pas time: (%d,%d), ds time: %d\n",
VIC_LOCAL_TIM_PAS_ASSERT_VAL(val),
VIC_LOCAL_TIM_PAS_DEASSERT_VAL(val),
VIC_LOCAT_TIM_DS_DEASSERT_VAL(val));
val = vic_inb(VIC_BXFER_DEF);
printk("dma: ");
if (val & VIC_BXFER_DEF_DUAL)
printk("[dual path]");
if (val & VIC_BXFER_DEF_LOCAL_CROSS)
printk("[local boundary cross]");
if (val & VIC_BXFER_DEF_VME_CROSS)
printk("[vme boundary cross]");
}
static void __init vic_init(void)
{
unsigned char id = vic_inb(VIC_ID);
if ((id & 0xf0) != 0xf0)
panic("VIC not found");
printk(" VIC068A Rev. %X: ", id & 0x0f);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_II);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT1);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT2);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT3);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT4);
/*
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_VME_INT5);
*/
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_VME_INT6);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_VME_INT7);
vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_DMA_INT);
vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT1);
vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
VIC_INT_HIGH|VIC_INT_DISABLE, VIC_LINT2);
vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
VIC_INT_HIGH|VIC_INT_DISABLE, VIC_LINT3);
vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT4);
/*
vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_LEVEL|
VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT5);
*/
vic_outb(VIC_INT_IPL(6)|VIC_INT_NOAUTO|VIC_INT_EDGE|
VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT6);
vic_outb(VIC_INT_IPL(6)|VIC_INT_NOAUTO|VIC_INT_EDGE|
VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT7);
vic_outb(VIC_INT_IPL(3)|
VIC_INT_SWITCH(0)|
VIC_INT_SWITCH(1)|
VIC_INT_SWITCH(2)|
VIC_INT_SWITCH(3), VIC_ICGS_INT);
vic_outb(VIC_INT_IPL(3)|
VIC_INT_SWITCH(0)|
VIC_INT_SWITCH(1)|
VIC_INT_SWITCH(2)|
VIC_INT_SWITCH(3), VIC_ICMS_INT);
vic_outb(VIC_INT_IPL(6)|
VIC_ERR_INT_SYSFAIL|
VIC_ERR_INT_TIMO|
VIC_ERR_INT_WRPOST|
VIC_ERR_INT_ACFAIL, VIC_ERR_INT);
vic_outb(VIC_ICxS_BASE_ID(0xf), VIC_ICGS_BASE);
vic_outb(VIC_ICxS_BASE_ID(0xe), VIC_ICMS_BASE);
vic_outb(VIC_LOCAL_BASE_ID(0x6), VIC_LOCAL_BASE);
vic_outb(VIC_ERR_BASE_ID(0x3), VIC_ERR_BASE);
vic_outb(VIC_XFER_TIMO_VME_PERIOD_32|
VIC_XFER_TIMO_LOCAL_PERIOD_32, VIC_XFER_TIMO);
vic_outb(VIC_LOCAL_TIM_PAS_ASSERT(2)|
VIC_LOCAT_TIM_DS_DEASSERT(1)|
VIC_LOCAL_TIM_PAS_DEASSERT(1), VIC_LOCAL_TIM);
vic_outb(VIC_BXFER_DEF_VME_CROSS|
VIC_BXFER_DEF_LOCAL_CROSS|
VIC_BXFER_DEF_AMSR|
VIC_BXFER_DEF_DUAL, VIC_BXFER_DEF);
vic_outb(VIC_SSxCR0_LOCAL_XFER_SINGLE|
VIC_SSxCR0_A32|VIC_SSxCR0_D32|
VIC_SS0CR0_TIMER_FREQ_NONE, VIC_SS0CR0);
vic_outb(VIC_SSxCR1_TF1(0xf)|
VIC_SSxCR1_TF2(0xf), VIC_SS0CR1);
vic_outb(VIC_SSxCR0_LOCAL_XFER_SINGLE|
VIC_SSxCR0_A24|VIC_SSxCR0_D32, VIC_SS1CR0);
vic_outb(VIC_SSxCR1_TF1(0xf)|
VIC_SSxCR1_TF2(0xf), VIC_SS1CR1);
vic_outb(VIC_IFACE_CFG_NOHALT|
VIC_IFACE_CFG_NOTURBO, VIC_IFACE_CFG);
vic_outb(VIC_AMS_CODE(0), VIC_AMS);
vic_outb(VIC_BXFER_CTRL_INTERLEAVE(0), VIC_BXFER_CTRL);
vic_outb(0, VIC_BXFER_LEN_LO);
vic_outb(0, VIC_BXFER_LEN_HI);
vic_outb(VIC_REQ_CFG_FAIRNESS_DISABLED|
VIC_REQ_CFG_LEVEL(3)|
VIC_REQ_CFG_RR_ARBITRATION, VIC_REQ_CFG);
vic_outb(VIC_RELEASE_BLKXFER_BLEN(0)|
VIC_RELEASE_RWD, VIC_RELEASE);
vic_outb(VIC_IC6_RUN, VIC_IC6);
vic_outb(0, VIC_IC7);
vic_show();
}
static void vic_start(void)
{
vic_outb(VIC_INT_IPL(3)|
VIC_INT_NOAUTO|
VIC_INT_EDGE|
VIC_INT_HIGH|
VIC_INT_ENABLE, VIC_LINT7);
}
void __init baget_irq_setup(void)
{
extern void bagetIRQ(void);
/* Now, it's safe to set the exception vector. */
set_except_vector(0, bagetIRQ);
}
extern void baget_machine_restart(char *command);
extern void baget_machine_halt(void);
extern void baget_machine_power_off(void);
void __init baget_setup(void)
{
printk("BT23/63-201n found.\n");
*BAGET_WRERR_ACK = 0;
irq_setup = baget_irq_setup;
_machine_restart = baget_machine_restart;
_machine_halt = baget_machine_halt;
_machine_power_off = baget_machine_power_off;
vac_init();
vic_init();
vac_start();
vic_start();
}
|