unsigned long
load_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
RESIDUAL *residual, void *OFW)
{
int start_multi = 0;
unsigned int pci_viddid, pci_did, tulip_pci_base, tulip_base;
/* If we have Open Firmware, initialise it immediately */
if (OFW) {
OFW_interface = OFW;
ofinit(OFW_interface);
}
board_isa_init();
#if defined(CONFIG_VGA_CONSOLE)
vga_init((unsigned char *)0xC0000000);
#endif /* CONFIG_VGA_CONSOLE */
if (residual) {
/* Is this Motorola PPCBug? */
if ((1 & residual->VitalProductData.FirmwareSupports) &&
(1 == residual->VitalProductData.FirmwareSupplier)) {
unsigned char base_mod;
unsigned char board_type = inb(0x801) & 0xF0;
/*
* Reset the onboard 21x4x Ethernet
* Motorola Ethernet is at IDSEL 14 (devfn 0x70)
*/
pci_read_config_32(0x70, 0x00, &pci_viddid);
pci_did = (pci_viddid & 0xffff0000) >> 16;
/* Be sure we've really found a 21x4x chip */
if (((pci_viddid & 0xffff) == PCI_VENDOR_ID_DEC) &&
((pci_did == PCI_DEVICE_ID_DEC_TULIP_FAST) ||
(pci_did == PCI_DEVICE_ID_DEC_TULIP) ||
(pci_did == PCI_DEVICE_ID_DEC_TULIP_PLUS) ||
(pci_did == PCI_DEVICE_ID_DEC_21142))) {
pci_read_config_32(0x70,
0x10,
&tulip_pci_base);
/* Get the physical base address */
tulip_base =
(tulip_pci_base & ~0x03UL) + 0x80000000;
/* Strobe the 21x4x reset bit in CSR0 */
writel(0x1, tulip_base);
}
/* If this is genesis 2 board then check for no
* keyboard controller and more than one processor.
*/
if (board_type == 0xe0) {
base_mod = inb(0x803);
/* if a MVME2300/2400 or a Sitka then no keyboard */
if((base_mod == 0xFA) || (base_mod == 0xF9) ||
(base_mod == 0xE1)) {
keyb_present = 0; /* no keyboard */
}
}
/* If this is a multiprocessor system then
* park the other processor so that the
* kernel knows where to find them.
*/
if (residual->MaxNumCpus > 1)
start_multi = 1;
}
memcpy(hold_residual,residual,sizeof(RESIDUAL));
}
unsigned long
decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
RESIDUAL *residual, void *OFW_interface)
{
#ifdef INTERACTIVE_CONSOLE
int timer = 0;
char ch;
#endif
extern unsigned long start;
char *cp;
/* Default to 32MiB memory. */
unsigned long TotalMemory = 0x02000000;
int dev_handle;
int mem_info[2];
int res, size;
unsigned char board_type;
unsigned char base_mod;
int start_multi = 0;
unsigned int pci_viddid, pci_did, tulip_pci_base, tulip_base;
serial_fixups();
com_port = serial_init(0, NULL);
#if defined(CONFIG_VGA_CONSOLE)
vga_init((unsigned char *)0xC0000000);
#endif /* CONFIG_VGA_CONSOLE */
/*
* Tell the user where we were loaded at and where we were relocated
* to for debugging this process.
*/
puts("loaded at: "); puthex(load_addr);
puts(" "); puthex((unsigned long)(load_addr + (4*num_words))); puts("\n");
if ( (unsigned long)load_addr != (unsigned long)&start ) {
puts("relocated to: "); puthex((unsigned long)&start);
puts(" ");
puthex((unsigned long)((unsigned long)&start + (4*num_words)));
puts("\n");
}
if (residual) {
/*
* Tell the user where the residual data is.
*/
puts("board data at: "); puthex((unsigned long)residual);
puts(" ");
puthex((unsigned long)((unsigned long)residual +
sizeof(RESIDUAL)));
puts("\nrelocated to: ");puthex((unsigned long)hold_residual);
puts(" ");
puthex((unsigned long)((unsigned long)hold_residual +
sizeof(RESIDUAL)));
puts("\n");
/* Is this Motorola PPCBug? */
if ((1 & residual->VitalProductData.FirmwareSupports) &&
(1 == residual->VitalProductData.FirmwareSupplier)) {
board_type = inb(0x800) & 0xF0;
/*
* Reset the onboard 21x4x Ethernet
* Motorola Ethernet is at IDSEL 14 (devfn 0x70)
*/
pci_read_config_32(0x70, 0x00, &pci_viddid);
pci_did = (pci_viddid & 0xffff0000) >> 16;
/* Be sure we've really found a 21x4x chip */
if (((pci_viddid & 0xffff) == PCI_VENDOR_ID_DEC) &&
((pci_did == PCI_DEVICE_ID_DEC_TULIP_FAST) ||
(pci_did == PCI_DEVICE_ID_DEC_TULIP) ||
(pci_did == PCI_DEVICE_ID_DEC_TULIP_PLUS) ||
(pci_did == PCI_DEVICE_ID_DEC_21142))) {
pci_read_config_32(0x70,
0x10,
&tulip_pci_base);
/* Get the physical base address */
tulip_base =
(tulip_pci_base & ~0x03UL) + 0x80000000;
/* Strobe the 21x4x reset bit in CSR0 */
writel(0x1, tulip_base);
}
/* If this is genesis 2 board then check for no
* keyboard controller and more than one processor.
*/
if (board_type == 0xe0) {
base_mod = inb(0x803);
/* if a MVME2300/2400 or a Sitka then no keyboard */
if((base_mod == 0xFA) || (base_mod == 0xF9) ||
(base_mod == 0xE1)) {
keyb_present = 0; /* no keyboard */
}
}
/* If this is a multiprocessor system then
* park the other processor so that the
* kernel knows where to find them.
*/
if (residual->MaxNumCpus > 1)
start_multi = 1;
}
memcpy(hold_residual,residual,sizeof(RESIDUAL));
/* Copy the memory info. */
if (residual->TotalMemory)
TotalMemory = residual->TotalMemory;
} else {