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merge with mainline

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This commit is contained in:
BVK Chaitanya 2010-07-13 00:43:28 +05:30
commit 297f0c2b6e
218 changed files with 35637 additions and 4957 deletions
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149
grub-core/kern/mips/yeeloong/init.c
View file

@ -26,6 +26,10 @@
#include <grub/time.h>
#include <grub/machine/kernel.h>
#include <grub/machine/memory.h>
#include <grub/mips/loongson.h>
#include <grub/cs5536.h>
#include <grub/term.h>
#include <grub/machine/ec.h>
extern void grub_video_sm712_init (void);
extern void grub_video_init (void);
@ -33,6 +37,8 @@ extern void grub_bitmap_init (void);
extern void grub_font_init (void);
extern void grub_gfxterm_init (void);
extern void grub_at_keyboard_init (void);
extern void grub_serial_init (void);
extern void grub_terminfo_init (void);
/* FIXME: use interrupt to count high. */
grub_uint64_t
@ -42,7 +48,7 @@ grub_get_rtc (void)
static grub_uint32_t last = 0;
grub_uint32_t low;
asm volatile ("mfc0 %0, $9": "=r" (low));
asm volatile ("mfc0 %0, " GRUB_CPU_LOONGSON_COP0_TIMER_COUNT : "=r" (low));
if (low < last)
high++;
last = low;
@ -62,25 +68,147 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
return GRUB_ERR_NONE;
}
static void
init_pci (void)
{
auto int NESTED_FUNC_ATTR set_card (grub_pci_device_t dev, grub_pci_id_t pciid);
int NESTED_FUNC_ATTR set_card (grub_pci_device_t dev, grub_pci_id_t pciid)
{
grub_pci_address_t addr;
/* FIXME: autoscan for BARs and devices. */
switch (pciid)
{
case GRUB_YEELOONG_OHCI_PCIID:
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
grub_pci_write (addr, 0x5025000);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write_word (addr, GRUB_PCI_COMMAND_SERR_ENABLE
| GRUB_PCI_COMMAND_PARITY_ERROR
| GRUB_PCI_COMMAND_BUS_MASTER
| GRUB_PCI_COMMAND_MEM_ENABLED);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_STATUS);
grub_pci_write_word (addr, 0x0200 | GRUB_PCI_STATUS_CAPABILITIES);
break;
case GRUB_YEELOONG_EHCI_PCIID:
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
grub_pci_write (addr, 0x5026000);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write_word (addr, GRUB_PCI_COMMAND_SERR_ENABLE
| GRUB_PCI_COMMAND_PARITY_ERROR
| GRUB_PCI_COMMAND_BUS_MASTER
| GRUB_PCI_COMMAND_MEM_ENABLED);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_STATUS);
grub_pci_write_word (addr, (1 << GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT)
| GRUB_PCI_STATUS_CAPABILITIES);
break;
}
return 0;
}
*((volatile grub_uint32_t *) GRUB_CPU_LOONGSON_PCI_HIT1_SEL_LO) = 0x8000000c;
*((volatile grub_uint32_t *) GRUB_CPU_LOONGSON_PCI_HIT1_SEL_HI) = 0xffffffff;
/* Setup PCI controller. */
*((volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONTROLLER_HEADER
+ GRUB_PCI_REG_COMMAND))
= GRUB_PCI_COMMAND_PARITY_ERROR | GRUB_PCI_COMMAND_BUS_MASTER
| GRUB_PCI_COMMAND_MEM_ENABLED;
*((volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONTROLLER_HEADER
+ GRUB_PCI_REG_STATUS))
= (1 << GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT)
| GRUB_PCI_STATUS_FAST_B2B_CAPABLE | GRUB_PCI_STATUS_66MHZ_CAPABLE
| GRUB_PCI_STATUS_CAPABILITIES;
*((volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONTROLLER_HEADER
+ GRUB_PCI_REG_CACHELINE)) = 0xff;
*((volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONTROLLER_HEADER
+ GRUB_PCI_REG_ADDRESS_REG0))
= 0x80000000 | GRUB_PCI_ADDR_MEM_TYPE_64 | GRUB_PCI_ADDR_MEM_PREFETCH;
*((volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONTROLLER_HEADER
+ GRUB_PCI_REG_ADDRESS_REG1)) = 0;
grub_pci_iterate (set_card);
}
void
grub_machine_init (void)
{
grub_addr_t modend;
/* FIXME: measure this. */
if (grub_arch_busclock == 0)
{
grub_arch_busclock = 66000000;
grub_arch_cpuclock = 797000000;
}
grub_install_get_time_ms (grub_rtc_get_time_ms);
if (grub_arch_memsize == 0)
{
grub_port_t smbbase;
grub_err_t err;
grub_pci_device_t dev;
struct grub_smbus_spd spd;
unsigned totalmem;
int i;
if (!grub_cs5536_find (&dev))
grub_fatal ("No CS5536 found\n");
err = grub_cs5536_init_smbus (dev, 0x7ff, &smbbase);
if (err)
grub_fatal ("Couldn't init SMBus: %s\n", grub_errmsg);
/* Yeeloong has only one memory slot. */
err = grub_cs5536_read_spd (smbbase, GRUB_SMB_RAM_START_ADDR, &spd);
if (err)
grub_fatal ("Couldn't read SPD: %s\n", grub_errmsg);
for (i = 5; i < 13; i++)
if (spd.ddr2.rank_capacity & (1 << (i & 7)))
break;
/* Something is wrong. */
if (i == 13)
totalmem = 256;
else
totalmem = ((spd.ddr2.num_of_ranks
& GRUB_SMBUS_SPD_MEMORY_NUM_OF_RANKS_MASK) + 1) << (i + 2);
if (totalmem >= 256)
{
grub_arch_memsize = 256;
grub_arch_highmemsize = totalmem - 256;
}
else
{
grub_arch_memsize = (totalmem >> 20);
grub_arch_highmemsize = 0;
}
grub_cs5536_init_geode (dev);
init_pci ();
}
modend = grub_modules_get_end ();
grub_mm_init_region ((void *) modend, (grub_arch_memsize << 20)
- (modend - GRUB_ARCH_LOWMEMVSTART));
/* FIXME: use upper memory as well. */
grub_install_get_time_ms (grub_rtc_get_time_ms);
/* Initialize output terminal (can't be done earlier, as gfxterm
relies on a working heap. */
grub_video_sm712_init ();
grub_video_init ();
grub_video_sm712_init ();
grub_bitmap_init ();
grub_font_init ();
grub_gfxterm_init ();
grub_at_keyboard_init ();
grub_terminfo_init ();
grub_serial_init ();
}
void
@ -89,20 +217,29 @@ grub_machine_fini (void)
}
void
grub_exit (void)
grub_halt (void)
{
grub_outb (grub_inb (GRUB_CPU_LOONGSON_GPIOCFG)
& ~GRUB_CPU_LOONGSON_SHUTDOWN_GPIO, GRUB_CPU_LOONGSON_GPIOCFG);
grub_printf ("Shutdown failed\n");
grub_refresh ();
while (1);
}
void
grub_halt (void)
grub_exit (void)
{
while (1);
grub_halt ();
}
void
grub_reboot (void)
{
grub_write_ec (GRUB_MACHINE_EC_COMMAND_REBOOT);
grub_printf ("Reboot failed\n");
grub_refresh ();
while (1);
}