void __init init_IRQ(void)
{
/* Invoke board-specific irq setup */
irq_setup();
#ifdef CONFIG_REMOTE_DEBUG
extern void breakpoint(void);
extern void set_debug_traps(void);
extern void rs_kgdb_hook(void);
rs_kgdb_hook();
clear_cp0_status(STATUSF_IP2);
clear_cp0_status(STATUSF_IP3);
clear_cp0_status(STATUSF_IP4);
clear_cp0_status(STATUSF_IP5);
clear_cp0_status(STATUSF_IP6);
clear_cp0_status(STATUSF_IP7);
printk("Wait for gdb client connection ...\n");
set_debug_traps();
set_cp0_status(STATUSF_IP2);
set_cp0_status(STATUSF_IP3);
set_cp0_status(STATUSF_IP4);
set_cp0_status(STATUSF_IP5);
set_cp0_status(STATUSF_IP6);
set_cp0_status(STATUSF_IP7);
breakpoint();
#endif
}
static void __init
serial_setup(si_t *sih)
{
si_serial_init(sih, serial_add);
#ifdef CONFIG_KGDB
/* Use the last port for kernel debugging */
if (rs.membase)
rs_kgdb_hook(&rs);
#endif
}
void __init kgdb_config (void)
{
extern int (*generic_putDebugChar)(char);
extern char (*generic_getDebugChar)(void);
char *argptr;
int line, speed;
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Unknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n", line);
speed = 0;
if (*++argptr == ',')
{
int c;
while ((c = *++argptr) && ('0' <= c && c <= '9'))
speed = speed * 10 + c - '0';
}
#ifdef CONFIG_MIPS_ATLAS
if (line == 1) {
speed = saa9730_kgdb_hook(speed);
generic_putDebugChar = saa9730_putDebugChar;
generic_getDebugChar = saa9730_getDebugChar;
}
else
#endif
{
speed = rs_kgdb_hook(line, speed);
generic_putDebugChar = rs_putDebugChar;
generic_getDebugChar = rs_getDebugChar;
}
pr_info("KGDB: Using serial line /dev/ttyS%d at %d for "
"session, please connect your debugger\n",
line ? 1 : 0, speed);
{
char *s;
for (s = "Please connect GDB to this port\r\n"; *s; )
generic_putDebugChar (*s++);
}
/* Breakpoint is invoked after interrupts are initialised */
}
}
void __init brcm_irq_setup(void)
{
extern asmlinkage void brcmIRQ(void);
/* In 2.4.3 Kernel this was done in trap_init. In 2.4.17 it was
* moved to SMP code, which is only used by MIPS64. In other words
* Linux is free, you get what you pay for */
clear_cp0_status(ST0_BEV);
set_except_vector(0, brcmIRQ);
change_cp0_status(ST0_IM, ALLINTS_NOTIMER);
#ifdef CONFIG_REMOTE_DEBUG
rs_kgdb_hook(0);
#endif
}
void __init ti_avalanche_setup(void)
{
#ifdef CONFIG_REMOTE_DEBUG
int rs_putDebugChar(char);
char rs_getDebugChar(void);
// int saa9730_putDebugChar(char);
// char saa9730_getDebugChar(void);
int evm3_putDebugChar(char);
int evm3_getDebugChar(void);
extern int (*putDebugChar)(char);
extern char (*getDebugChar)(void);
#endif
char *argptr;
static char *nfs_ptr;
static char *ip_ptr;
// JAH_TBD
// ioport_resource.end = 0x7fffffff;
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) {
int i = 0;
char *s = prom_getenv("modetty0");
while(s[i] >= '0' && s[i] <= '9')
i++;
strcpy(serial_console, "ttyS0,");
strncpy(serial_console + 6, s, i);
prom_printf("Config serial console: %s\n", serial_console);
console_setup(serial_console);
}
#endif /* CONFIG_SERIAL_CONSOLE */
#ifdef CONFIG_REMOTE_DEBUG
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
rs_kgdb_hook(line);
putDebugChar = rs_putDebugChar;
getDebugChar = rs_getDebugChar;
prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints and stuff are in atlas_irq_setup() */
}
#endif
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "nofpu")) != NULL)
mips_cpu.options &= ~MIPS_CPU_FPU;
/*
* Add nfsroot and IP enviroment variables to the cmdline.
* these are stored in the ADAM2 enviroment space in the
* following manner:
*
* for nfsroot:
* nfsroot=[<server-ip>:]<root-dir>[,<nfs-options>]
*
*
* for ipaddress
* ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
*
* Note that if the Adam2 enviroment contains nfs set to "yes" the
* following code will also add the root=/dev/nfs automatically.
*
* (see Documentation/nfsroot.txt for more information)
*/
argptr = prom_getcmdline();
nfs_ptr = prom_getenv("nfs");
if(nfs_ptr)
{
if(!strncmp(nfs_ptr,"yes",3))
{
strcat(argptr,"root=/dev/nfs ");
argptr = prom_getcmdline();
nfs_ptr = prom_getenv("nfsroot");
strcat(argptr,nfs_ptr);
strcat(argptr," ");
}
}
ip_ptr = prom_getenv("linuxip");
argptr = prom_getcmdline();
if(ip_ptr)
{
strcat(argptr,ip_ptr);
}
avalanche_soc_platform_init();
#if defined(CONFIG_MIPS_EVM3)
rtc_ops = &evm3_rtc_ops;
#else
rtc_ops = &no_rtc_ops;
#endif /* CONFIG_MIPS_EVM3 */
mips_reboot_setup();
}
void __init rt2880_setup(void)
{
#ifdef CONFIG_KGDB
int rs_putDebugChar(char);
char rs_getDebugChar(void);
int saa9730_putDebugChar(char);
char saa9730_getDebugChar(void);
extern int (*generic_putDebugChar)(char);
extern char (*generic_getDebugChar)(void);
#endif
char *argptr;
iomem_resource.start = 0;
iomem_resource.end= ~0;
ioport_resource.start= 0;
ioport_resource.end = ~0;
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS")) == NULL) {
int i = 0;
char *s =(char *) prom_getenv("modetty0");
while(s[i] >= '0' && s[i] <= '9')
i++;
#ifdef CONFIG_RALINK_MT7620
strcpy(serial_console, "ttyS0,");
#else
strcpy(serial_console, "ttyS1,");
#endif
strncpy(serial_console + 6, s, i);
printk("Config serial console: %s\n", serial_console);
console_setup(serial_console, NULL);
}
#endif
#ifdef CONFIG_KGDB
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
if(line == 0) {
rs_kgdb_hook(line);
generic_putDebugChar = rs_putDebugChar;
generic_getDebugChar = rs_getDebugChar;
} else {
saa9730_kgdb_hook();
generic_putDebugChar = saa9730_putDebugChar;
generic_getDebugChar = saa9730_getDebugChar;
}
printk("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints and stuff are in surfboard_irq_setup() */
}
#endif
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "nofpu")) != NULL)
cpu_data[0].options &= ~MIPS_CPU_FPU;
board_time_init = mips_time_init;
mips_reboot_setup();
}
void __init plat_mem_setup(void)
{
int i;
char* argptr;
board_setup(); /* board specific setup */
_machine_restart = pnx8550_machine_restart;
_machine_halt = pnx8550_machine_halt;
pm_power_off = pnx8550_machine_power_off;
/* Clear the Global 2 Register, PCI Inta Output Enable Registers
Bit 1:Enable DAC Powerdown
-> 0:DACs are enabled and are working normally
1:DACs are powerdown
Bit 0:Enable of PCI inta output
-> 0 = Disable PCI inta output
1 = Enable PCI inta output
*/
PNX8550_GLB2_ENAB_INTA_O = 0;
/* IO/MEM resources. */
set_io_port_base(KSEG1);
ioport_resource.start = 0;
ioport_resource.end = ~0;
iomem_resource.start = 0;
iomem_resource.end = ~0;
/* Request I/O space for devices on this board */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
request_resource(&ioport_resource, standard_io_resources + i);
/* Place the Mode Control bit for GPIO pin 16 in primary function */
/* Pin 16 is used by UART1, UA1_TX */
outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
(PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
PNX8550_GPIO_MC1);
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
argptr += strlen("console=ttyS");
pnx8550_console_port = *argptr == '0' ? 0 : 1;
/* We must initialize the UART (console) before early printk */
/* Set LCR to 8-bit and BAUD to 38400 (no 5) */
ip3106_lcr(UART_BASE, pnx8550_console_port) =
PNX8XXX_UART_LCR_8BIT;
ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
}
#ifdef CONFIG_KGDB
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
line = *argptr == '0' ? 0 : 1;
rs_kgdb_hook(line);
pr_info("KGDB: Using ttyS%i for session, "
"please connect your debugger\n", line ? 1 : 0);
}
#endif
return;
}
__initfunc(void sgi_setup(void))
{
#ifdef CONFIG_SERIAL_CONSOLE
char *ctype;
#endif
#ifdef CONFIG_REMOTE_DEBUG
char *kgdb_ttyd;
#endif
irq_setup = sgi_irq_setup;
/* Init the INDY HPC I/O controller. Need to call this before
* f*****g with the memory controller because it needs to know the
* boardID and whether this is a Guiness or a FullHouse machine.
*/
sgihpc_init();
/* Init INDY memory controller. */
sgimc_init();
/* Now enable boardcaches, if any. */
indy_sc_init();
#ifdef CONFIG_SERIAL_CONSOLE
/* ARCS console environment variable is set to "g?" for
* graphics console, it is set to "d" for the first serial
* line and "d2" for the second serial line.
*/
ctype = prom_getenv("console");
if(*ctype == 'd') {
if(*(ctype+1)=='2')
console_setup ("ttyS1", NULL);
else
console_setup ("ttyS0", NULL);
}
#endif
#ifdef CONFIG_REMOTE_DEBUG
kgdb_ttyd = prom_getcmdline();
if ((kgdb_ttyd = strstr(kgdb_ttyd, "kgdb=ttyd")) != NULL) {
int line;
kgdb_ttyd += strlen("kgdb=ttyd");
if (*kgdb_ttyd != '1' && *kgdb_ttyd != '2')
printk("KGDB: Uknown serial line /dev/ttyd%c, "
"falling back to /dev/ttyd1\n", *kgdb_ttyd);
line = *kgdb_ttyd == '2' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyd%d for session\n",
line ? 1 : 2);
rs_kgdb_hook(line);
prom_printf("KGDB: Using serial line /dev/ttyd%d for session, "
"please connect your debugger\n", line ? 1 : 2);
remote_debug = 1;
/* Breakpoints and stuff are in sgi_irq_setup() */
}
#endif
#ifdef CONFIG_SGI_PROM_CONSOLE
console_setup("ttyS0", NULL);
#endif
sgi_volume_set(simple_strtoul(prom_getenv("volume"), NULL, 10));
#ifdef CONFIG_VT
#ifdef CONFIG_SGI_NEWPORT_CONSOLE
conswitchp = &newport_con;
#else
conswitchp = &dummy_con;
#endif
#endif
rtc_ops = &indy_rtc_ops;
kbd_ops = &sgi_kbd_ops;
#ifdef CONFIG_PSMOUSE
aux_device_present = 0xaa;
#endif
#ifdef CONFIG_VIDEO_VINO
init_vino();
#endif
}
static int __init ip22_setup(void)
{
char *ctype;
#ifdef CONFIG_KGDB
char *kgdb_ttyd;
#endif
board_be_init = ip22_be_init;
ip22_time_init();
/* Init the INDY HPC I/O controller. Need to call this before
* f*****g with the memory controller because it needs to know the
* boardID and whether this is a Guiness or a FullHouse machine.
*/
sgihpc_init();
/* Init INDY memory controller. */
sgimc_init();
#ifdef CONFIG_BOARD_SCACHE
/* Now enable boardcaches, if any. */
indy_sc_init();
#endif
/* Set EISA IO port base for Indigo2 */
set_io_port_base(KSEG1ADDR(0x00080000));
/* ARCS console environment variable is set to "g?" for
* graphics console, it is set to "d" for the first serial
* line and "d2" for the second serial line.
*/
ctype = ArcGetEnvironmentVariable("console");
if (ctype && *ctype == 'd') {
static char options[8];
char *baud = ArcGetEnvironmentVariable("dbaud");
if (baud)
strcpy(options, baud);
add_preferred_console("ttyS", *(ctype + 1) == '2' ? 1 : 0,
baud ? options : NULL);
} else if (!ctype || *ctype != 'g') {
/* Use ARC if we don't want serial ('d') or Newport ('g'). */
prom_flags |= PROM_FLAG_USE_AS_CONSOLE;
add_preferred_console("arc", 0, NULL);
}
#ifdef CONFIG_KGDB
kgdb_ttyd = prom_getcmdline();
if ((kgdb_ttyd = strstr(kgdb_ttyd, "kgdb=ttyd")) != NULL) {
int line;
kgdb_ttyd += strlen("kgdb=ttyd");
if (*kgdb_ttyd != '1' && *kgdb_ttyd != '2')
printk(KERN_INFO "KGDB: Uknown serial line /dev/ttyd%c"
", falling back to /dev/ttyd1\n", *kgdb_ttyd);
line = *kgdb_ttyd == '2' ? 0 : 1;
printk(KERN_INFO "KGDB: Using serial line /dev/ttyd%d for "
"session\n", line ? 1 : 2);
rs_kgdb_hook(line);
printk(KERN_INFO "KGDB: Using serial line /dev/ttyd%d for "
"session, please connect your debugger\n", line ? 1:2);
remote_debug = 1;
/* Breakpoints and stuff are in sgi_irq_setup() */
}
#endif
#ifdef CONFIG_VT
#ifdef CONFIG_SGI_NEWPORT_CONSOLE
if (ctype && *ctype == 'g'){
ULONG *gfxinfo;
ULONG * (*__vec)(void) = (void *) (long)
*((_PULONG *)(long)((PROMBLOCK)->pvector + 0x20));
gfxinfo = __vec();
sgi_gfxaddr = ((gfxinfo[1] >= 0xa0000000
&& gfxinfo[1] <= 0xc0000000)
? gfxinfo[1] - 0xa0000000 : 0);
/* newport addresses? */
if (sgi_gfxaddr == 0x1f0f0000 || sgi_gfxaddr == 0x1f4f0000) {
conswitchp = &newport_con;
}
}
#endif
#endif
return 0;
}
void __init atlas_setup(void)
{
#ifdef CONFIG_REMOTE_DEBUG
int rs_putDebugChar(char);
char rs_getDebugChar(void);
int saa9730_putDebugChar(char);
char saa9730_getDebugChar(void);
extern int (*generic_putDebugChar)(char);
extern char (*generic_getDebugChar)(void);
#endif
char *argptr;
ioport_resource.end = 0x7fffffff;
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) {
int i = 0;
char *s = prom_getenv("modetty0");
while(s[i] >= '0' && s[i] <= '9')
i++;
strcpy(serial_console, "ttyS0,");
strncpy(serial_console + 6, s, i);
prom_printf("Config serial console: %s\n", serial_console);
console_setup(serial_console, NULL);
}
#endif
#ifdef CONFIG_REMOTE_DEBUG
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
if(line == 0) {
rs_kgdb_hook(line);
generic_putDebugChar = rs_putDebugChar;
generic_getDebugChar = rs_getDebugChar;
} else {
saa9730_kgdb_hook();
generic_putDebugChar = saa9730_putDebugChar;
generic_getDebugChar = saa9730_getDebugChar;
}
prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints and stuff are in atlas_irq_setup() */
}
#endif
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "nofpu")) != NULL)
mips_cpu.options &= ~MIPS_CPU_FPU;
rtc_ops = &atlas_rtc_ops;
board_time_init = mips_time_init;
board_timer_setup = mips_timer_setup;
rtc_get_time = mips_rtc_get_time;
mips_reboot_setup();
}
void __init malta_setup(void)
{
#ifdef CONFIG_REMOTE_DEBUG
int rs_putDebugChar(char);
char rs_getDebugChar(void);
extern int (*generic_putDebugChar)(char);
extern char (*generic_getDebugChar)(void);
#endif
char *argptr;
int i;
/* Request I/O space for devices used on the Malta board. */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
request_resource(&ioport_resource, standard_io_resources+i);
/*
* Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge.
*/
enable_dma(4);
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "ip=")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " ip=bootp");
}
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,38400");
}
#endif
#ifdef CONFIG_REMOTE_DEBUG
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
rs_kgdb_hook(line);
generic_putDebugChar = rs_putDebugChar;
generic_getDebugChar = rs_getDebugChar;
prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints are in init_IRQ() */
}
#endif
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "nofpu")) != NULL)
mips_cpu.options &= ~MIPS_CPU_FPU;
rtc_ops = &malta_rtc_ops;
#ifdef CONFIG_BLK_DEV_IDE
ide_ops = &std_ide_ops;
#endif
#ifdef CONFIG_BLK_DEV_FD
fd_ops = &std_fd_ops;
#endif
#ifdef CONFIG_PC_KEYB
kbd_ops = &std_kbd_ops;
#endif
mips_reboot_setup();
}
void __init malta_setup(void)
{
#ifdef CONFIG_REMOTE_DEBUG
int rs_putDebugChar(char);
char rs_getDebugChar(void);
extern int (*putDebugChar)(char);
extern char (*getDebugChar)(void);
#endif
char *argptr;
int i;
current_cpu_data.asid_cache = ASID_FIRST_VERSION;
TLBMISS_HANDLER_SETUP();
irq_setup = malta_irq_setup;
/* Request I/O space for devices used on the Malta board. */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
request_resource(&ioport_resource, standard_io_resources+i);
/*
* Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge.
*/
enable_dma(4);
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS0")) == NULL)
{
int i=0;
char *s = prom_getenv("modetty0");
while(s[i] >= '0' && s[i] <= '9')
i++;
strcpy(serial_console, "ttyS0,");
strncpy(serial_console + 6, s, i);
prom_printf("Config serial console: %s\n", serial_console);
console_setup(serial_console, NULL);
}
#endif
#ifdef CONFIG_REMOTE_DEBUG
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
rs_kgdb_hook(line);
putDebugChar = rs_putDebugChar;
getDebugChar = rs_getDebugChar;
prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints and stuff are in malta_irq_setup() */
}
#endif
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "nofpu")) != NULL)
mips_cpu.options &= ~MIPS_CPU_FPU;
rtc_ops = &malta_rtc_ops;
#ifdef CONFIG_BLK_DEV_IDE
ide_ops = &std_ide_ops;
#endif
#ifdef CONFIG_BLK_DEV_FD
fd_ops = &std_fd_ops;
#endif
}