void
mach_init(void)
{
void *kernend;
uint32_t memsize;
extern char edata[], end[]; /* XXX */
/* clear the BSS segment */
kernend = (void *)mips_round_page(end);
memset(edata, 0, (char *)kernend - edata);
/* setup early console */
atheros_set_platformsw();
/* set CPU model info for sysctl_hw */
snprintf(cpu_model, 64, "Atheros %s", atheros_get_cpuname());
/*
* Set up the exception vectors and CPU-specific function
* vectors early on. We need the wbflush() vector set up
* before comcnattach() is called (or at least before the
* first printf() after that is called).
* Sets up mips_cpu_flags that may be queried by other
* functions called during startup.
* Also clears the I+D caches.
*/
mips_vector_init(NULL, false);
/*
* Calibrate timers.
*/
cal_timer();
/*
* Set the VM page size.
*/
uvm_setpagesize();
/*
* Look at arguments passed to us and compute boothowto.
*/
boothowto = RB_AUTOBOOT;
#ifdef KADB
boothowto |= RB_KDB;
#endif
/*
* This would be a good place to parse a boot command line, if
* we got one from the bootloader. Right now we have no way to
* get one from e.g. vxworks.
*/
/*
* Determine the memory size.
*
* Note: Reserve the first page! That's where the trap
* vectors are located.
*/
memsize = atheros_get_memsize();
printf("Memory size: 0x%08x\n", memsize);
physmem = btoc(memsize);
mem_clusters[mem_cluster_cnt].start = PAGE_SIZE;
mem_clusters[mem_cluster_cnt].size =
memsize - mem_clusters[mem_cluster_cnt].start;
mem_cluster_cnt++;
/*
* Load the available pages into the VM system.
*/
mips_page_physload(MIPS_KSEG0_START, (vaddr_t)kernend,
mem_clusters, mem_cluster_cnt, NULL, 0);
/*
* Initialize message buffer (at end of core).
*/
mips_init_msgbuf();
/*
* Initialize the virtual memory system.
*/
pmap_bootstrap();
/*
* Allocate uarea page for lwp0 and set it.
*/
mips_init_lwp0_uarea();
/*
* Initialize busses.
*/
atheros_bus_init();
/*
* Turn off (ignore) the hardware watchdog. If we got this
* far, then we shouldn't need it anymore.
*/
atheros_wdog_reload(0);
/*
* Turn off watchpoint that may have been enabled by the
* PROM. VxWorks bootloader seems to leave one set.
*/
__asm volatile (
"mtc0 $0, $%0\n\t"
"nop\n\t"
"nop\n\t" :: "n"(MIPS_COP_0_WATCH_LO));
/*
* Initialize debuggers, and break into them, if appropriate.
*/
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
}
void
mach_init(void)
{
vaddr_t kernend;
psize_t memsize;
extern char kernel_text[];
extern char edata[], end[]; /* From Linker */
/* clear the BSS segment */
kernend = mips_round_page(end);
memset(edata, 0, kernend - (vaddr_t)edata);
#ifdef RALINK_CONSOLE_EARLY
/*
* set up early console
* cannot printf until sometime (?) in mips_vector_init
* meanwhile can use the ra_console_putc primitive if necessary
*/
ralink_console_early();
#endif
/* set CPU model info for sysctl_hw */
uint32_t tmp1, tmp2;
char id1[5], id2[5];
tmp1 = sysctl_read(RA_SYSCTL_ID0);
memcpy(id1, &tmp1, sizeof(tmp1));
tmp2 = sysctl_read(RA_SYSCTL_ID1);
memcpy(id2, &tmp2, sizeof(tmp2));
id2[4] = id1[4] = '\0';
if (id2[2] == ' ') {
id2[2] = '\0';
} else if (id2[3] == ' ') {
id2[3] = '\0';
} else {
id2[4] = '\0';
}
cpu_setmodel("%s%s", id1, id2);
/*
* Set up the exception vectors and CPU-specific function
* vectors early on. We need the wbflush() vector set up
* before comcnattach() is called (or at least before the
* first printf() after that is called).
* Sets up mips_cpu_flags that may be queried by other
* functions called during startup.
* Also clears the I+D caches.
*/
mips_vector_init(NULL, false);
/*
* Calibrate timers.
*/
cal_timer();
/*
* Set the VM page size.
*/
uvm_setpagesize();
/*
* Look at arguments passed to us and compute boothowto.
*/
boothowto = RB_AUTOBOOT;
#ifdef KADB
boothowto |= RB_KDB;
#endif
/*
* Determine the memory size.
*/
#if defined(MT7620)
memsize = 128 << 20;
#else
memsize = *(volatile uint32_t *)
MIPS_PHYS_TO_KSEG1(RA_SYSCTL_BASE + RA_SYSCTL_CFG0);
memsize = __SHIFTOUT(memsize, SYSCTL_CFG0_DRAM_SIZE);
if (__predict_false(memsize == 0)) {
memsize = 2 << 20;
} else {
memsize = 4 << (20 + memsize);
}
#endif
physmem = btoc(memsize);
mem_clusters[mem_cluster_cnt].start = 0;
mem_clusters[mem_cluster_cnt].size = memsize;
mem_cluster_cnt++;
/*
* Load the memory into the VM system
*/
mips_page_physload((vaddr_t)kernel_text, kernend,
mem_clusters, mem_cluster_cnt,
NULL, 0);
/*
* Initialize message buffer (at end of core).
*/
mips_init_msgbuf();
/*
* Initialize the virtual memory system.
*/
pmap_bootstrap();
/*
* Init mapping for u page(s) for proc0.
*/
mips_init_lwp0_uarea();
/*
* Initialize busses.
*/
ra_bus_init();
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
}
void
mach_init(void)
{
void *kernend;
uint32_t memsize;
extern char edata[], end[]; /* XXX */
/* clear the BSS segment */
kernend = (void *)mips_round_page(end);
memset(edata, 0, (char *)kernend - edata);
/* setup early console */
ingenic_putchar_init();
/* set CPU model info for sysctl_hw */
cpu_setmodel("Ingenic XBurst");
mips_vector_init(NULL, false);
cal_timer();
uvm_setpagesize();
/*
* Look at arguments passed to us and compute boothowto.
*/
boothowto = RB_AUTOBOOT;
#ifdef KADB
boothowto |= RB_KDB;
#endif
/*
* Determine the memory size.
*
* Note: Reserve the first page! That's where the trap
* vectors are located.
*/
memsize = 0x40000000;
printf("Memory size: 0x%08x\n", memsize);
physmem = btoc(memsize);
/*
* memory is at 0x20000000 with first 256MB mirrored to 0x00000000 so
* we can see them through KSEG*
* assume 1GB for now, the SoC can theoretically support up to 3GB
*/
mem_clusters[0].start = PAGE_SIZE;
mem_clusters[0].size = 0x10000000 - PAGE_SIZE;
mem_clusters[1].start = 0x30000000;
mem_clusters[1].size = 0x30000000;
mem_cluster_cnt = 2;
/*
* Load the available pages into the VM system.
*/
mips_page_physload(MIPS_KSEG0_START, (vaddr_t)kernend,
mem_clusters, mem_cluster_cnt, NULL, 0);
/*
* Initialize message buffer (at end of core).
*/
mips_init_msgbuf();
/*
* Initialize the virtual memory system.
*/
pmap_bootstrap();
/*
* Allocate uarea page for lwp0 and set it.
*/
mips_init_lwp0_uarea();
#ifdef MULTIPROCESSOR
mutex_init(&ingenic_ipi_lock, MUTEX_DEFAULT, IPL_HIGH);
mips_locoresw.lsw_send_ipi = ingenic_send_ipi;
mips_locoresw.lsw_cpu_init = ingenic_cpu_init;
#endif
apbus_init();
/*
* Initialize debuggers, and break into them, if appropriate.
*/
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
}
void
mach_init(void)
{
void *kernend;
uint32_t memsize;
extern char edata[], end[]; /* XXX */
/* clear the BSS segment */
kernend = (void *)mips_round_page(end);
memset(edata, 0, (char *)kernend - edata);
/* setup early console */
ingenic_putchar_init();
/* set CPU model info for sysctl_hw */
cpu_setmodel("Ingenic XBurst");
mips_vector_init(NULL, false);
cal_timer();
uvm_setpagesize();
/*
* Look at arguments passed to us and compute boothowto.
*/
boothowto = RB_AUTOBOOT;
#ifdef KADB
boothowto |= RB_KDB;
#endif
/*
* Determine the memory size.
*
* Note: Reserve the first page! That's where the trap
* vectors are located.
*/
memsize = 0x40000000;
printf("Memory size: 0x%08x\n", memsize);
physmem = btoc(memsize);
/* XXX this is CI20 specific */
mem_clusters[0].start = PAGE_SIZE;
mem_clusters[0].size = 0x10000000 - PAGE_SIZE;
mem_clusters[1].start = 0x30000000;
mem_clusters[1].size = 0x30000000;
mem_cluster_cnt = 2;
/*
* Load the available pages into the VM system.
*/
mips_page_physload(MIPS_KSEG0_START, (vaddr_t)kernend,
mem_clusters, mem_cluster_cnt, NULL, 0);
/*
* Initialize message buffer (at end of core).
*/
mips_init_msgbuf();
/*
* Initialize the virtual memory system.
*/
pmap_bootstrap();
/*
* Allocate uarea page for lwp0 and set it.
*/
mips_init_lwp0_uarea();
apbus_init();
/*
* Initialize debuggers, and break into them, if appropriate.
*/
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
}
