/*
* We utilize chipcommon configuration register SBFlagSt to implement a
* smart shared IRQ handling machenism through which only ISRs registered
* for the SB cores that raised the interrupt are invoked. This machenism
* relies on the SBFlagSt register's reliable recording of the SB cores
* that raised the interrupt.
*/
void __init
arch_init_irq(void)
{
int i;
uint32 coreidx, mips_core_id;
void *regs;
if (BCM330X(current_cpu_data.processor_id))
mips_core_id = MIPS33_CORE_ID;
else if (MIPS74K(current_cpu_data.processor_id))
mips_core_id = MIPS74K_CORE_ID;
else {
printk(KERN_ERR "MIPS CPU type %x unknown", current_cpu_data.processor_id);
return;
}
/* Cache chipc and mips33 config registers */
ASSERT(bcm947xx_sih);
coreidx = si_coreidx(bcm947xx_sih);
regs = si_setcore(bcm947xx_sih, mips_core_id, 0);
mipsirq = si_irq(bcm947xx_sih);
if (bcm947xx_sih->socitype == SOCI_SB) {
if (regs)
mipssbr = (sbconfig_t *)((ulong)regs + SBCONFIGOFF);
if ((regs = si_setcore(bcm947xx_sih, CC_CORE_ID, 0)))
ccsbr = (sbconfig_t *)((ulong)regs + SBCONFIGOFF);
}
si_setcoreidx(bcm947xx_sih, coreidx);
if (BCM330X(current_cpu_data.processor_id)) {
/* Cache mips33 sbintvec register */
if (mipssbr)
shints = R_REG(NULL, &mipssbr->sbintvec);
} else {
uint32 *intmask;
/* Use intmask5 register to route the timer interrupt */
intmask = (uint32 *) &((mips74kregs_t *)regs)->intmask[5];
W_REG(NULL, intmask, 1 << 31);
intmask = (uint32 *) &((mips74kregs_t *)regs)->intmask[0];
shints = R_REG(NULL, intmask);
/* Save the pointer to mips core registers */
mips_corereg = regs;
}
/* Install interrupt controllers */
for (i = 0; i < NR_IRQS; i++) {
set_irq_chip(i, (i < SBMIPS_NUMIRQS ? &brcm_irq_type : &brcm_irq2_type));
}
}
void __init
brcm_setup(void)
{
char *s;
int i;
char *value;
/* Get global SB handle */
sbh = sb_kattach();
/* Initialize clocks and interrupts */
sb_mips_init(sbh, SBMIPS_VIRTIRQ_BASE);
if (BCM330X(current_cpu_data.processor_id) &&
(read_c0_diag() & BRCM_PFC_AVAIL)) {
/*
* Now that the sbh is inited set the proper PFC value
*/
printk("Setting the PFC to its default value\n");
enable_pfc(PFC_AUTO);
}
#ifdef CONFIG_SERIAL
sb_serial_init(sbh, serial_add);
/* reverse serial ports if nvram variable starts with console=ttyS1 */
/* Initialize UARTs */
s = nvram_get("kernel_args");
if (!s) s = "";
if (!strncmp(s, "console=ttyS1", 13)) {
for (i = num_ports; i; i--)
do_serial_add(&ports[i - 1]);
} else {
for (i = 0; i < num_ports; i++)
do_serial_add(&ports[i]);
}
#endif
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
ide_ops = &std_ide_ops;
#endif
/* Override default command line arguments */
value = nvram_get("kernel_cmdline");
if (value && strlen(value) && strncmp(value, "empty", 5))
strncpy(arcs_cmdline, value, sizeof(arcs_cmdline));
/* Generic setup */
_machine_restart = bcm947xx_machine_restart;
_machine_halt = bcm947xx_machine_halt;
_machine_power_off = bcm947xx_machine_halt;
board_time_init = bcm947xx_time_init;
board_timer_setup = bcm947xx_timer_setup;
}
void __init
brcm_setup(void)
{
char *value;
/* Get global SB handle */
sih = si_kattach(SI_OSH);
/* Initialize clocks and interrupts */
si_mips_init(sih, SBMIPS_VIRTIRQ_BASE);
if (BCM330X(current_cpu_data.processor_id) &&
(read_c0_diag() & BRCM_PFC_AVAIL)) {
/*
* Now that the sih is inited set the proper PFC value
*/
printk("Setting the PFC to its default value\n");
enable_pfc(PFC_AUTO);
}
#ifdef CONFIG_SERIAL_CORE
/* Initialize UARTs */
serial_setup(sih);
#endif /* CONFIG_SERIAL_CORE */
/* Override default command line arguments */
value = nvram_get("kernel_args");
if (value && strlen(value) && strncmp(value, "empty", 5))
strncpy(arcs_cmdline, value, sizeof(arcs_cmdline));
if ((lanports_enable = getgpiopin(NULL, "lanports_enable", GPIO_PIN_NOTDEFINED)) ==
GPIO_PIN_NOTDEFINED)
lanports_enable = 0;
/* wombo reset */
if ((wombo_reset = getgpiopin(NULL, "wombo_reset", GPIO_PIN_NOTDEFINED)) !=
GPIO_PIN_NOTDEFINED) {
int reset = 1 << wombo_reset;
printk("wombo_reset set to gpio %d\n", wombo_reset);
si_gpioout(sih, reset, 0, GPIO_DRV_PRIORITY);
si_gpioouten(sih, reset, reset, GPIO_DRV_PRIORITY);
bcm_mdelay(10);
si_gpioout(sih, reset, reset, GPIO_DRV_PRIORITY);
bcm_mdelay(20);
}
/* Generic setup */
_machine_restart = bcm947xx_machine_restart;
_machine_halt = bcm947xx_machine_halt;
pm_power_off = bcm947xx_machine_halt;
}
void __init
brcm_setup(void)
{
char *value;
/* Get global SB handle */
sih = si_kattach(SI_OSH);
/* Initialize clocks and interrupts */
si_mips_init(sih, SBMIPS_VIRTIRQ_BASE);
if (BCM330X(current_cpu_data.processor_id) &&
(read_c0_diag() & BRCM_PFC_AVAIL)) {
/*
* Now that the sih is inited set the proper PFC value
*/
printk("Setting the PFC to its default value\n");
enable_pfc(PFC_AUTO);
}
#ifdef CONFIG_SERIAL_CORE
/* Initialize UARTs */
serial_setup(sih);
#endif /* CONFIG_SERIAL_CORE */
iswrt350n=1;
iswrt300n11=1;
char *boardtype = nvram_get("boardtype");
char *boothwmodel = nvram_get("boot_hw_model");
char *boothwver = nvram_get("boot_hw_ver");
char *cardbus = nvram_get("cardbus");
if (boardtype==NULL || strcmp(boardtype,"0x478"))iswrt350n=0;
if (cardbus!=NULL && !strcmp(cardbus, "0") && boardtype!=NULL && !strcmp(boardtype,"0x478"))
{
iswrt350n=0;
iswrt300n11=0;
}
if (boothwmodel==NULL || strcmp(boothwmodel,"WRT300N"))iswrt300n11=0;
if (boothwmodel!=NULL && !strcmp(boothwmodel,"WRT610N"))
{
iswrt300n11=0;
iswrt350n=0;
}
if (boothwver==NULL || strcmp(boothwver,"1.1"))iswrt300n11=0;
if (iswrt300n11)
iswrt350n=0;
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
ide_ops = &std_ide_ops;
#endif
sprintf(arcs_cmdline, "root=/dev/mtdblock%d console=ttyS0,115200 init=/sbin/preinit", rootfs_mtdblock());
/* Override default command line arguments */
value = nvram_get("kernel_args");
if (value && strlen(value) && strncmp(value, "empty", 5))
strncpy(arcs_cmdline, value, sizeof(arcs_cmdline));
if ((lanports_enable = getgpiopin(NULL, "lanports_enable", GPIO_PIN_NOTDEFINED)) ==
GPIO_PIN_NOTDEFINED)
lanports_enable = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
/* Check if we want to enable cpu wait */
if (nvram_match("wait", "1"))
cpu_wait_enable = 1;
#endif
/* Generic setup */
_machine_restart = bcm947xx_machine_restart;
_machine_halt = bcm947xx_machine_halt;
pm_power_off = bcm947xx_machine_halt;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
board_time_init = bcm947xx_time_init;
#endif
}
