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Add basic Mac99 machine support

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git-svn-id: svn://coreboot.org/openbios/openbios-devel@449 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2009-02-08 12:22:04 +00:00
parent 14e9b11e1f
commit c6040cb8a0
7 changed files with 115 additions and 20 deletions
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101
drivers/macio.c
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@@ -19,15 +19,26 @@
#include "cuda.h"
#include "escc.h"
#define IO_NVRAM_SIZE 0x00020000
#define IO_NVRAM_OFFSET 0x00060000
#define OW_IO_NVRAM_SIZE 0x00020000
#define OW_IO_NVRAM_OFFSET 0x00060000
#define OW_IO_NVRAM_SHIFT 4
#define NW_IO_NVRAM_SIZE 0x00004000
#define NW_IO_NVRAM_OFFSET 0xfff04000
#define NW_IO_NVRAM_SHIFT 1
#define IO_OPENPIC_SIZE 0x00040000
#define IO_OPENPIC_OFFSET 0x00040000
static char *nvram;
int
arch_nvram_size( void )
{
return IO_NVRAM_SIZE>>4;
if (is_oldworld())
return OW_IO_NVRAM_SIZE >> OW_IO_NVRAM_SHIFT;
else
return NW_IO_NVRAM_SIZE >> NW_IO_NVRAM_SHIFT;
}
void macio_nvram_init(const char *path, uint32_t addr)
@@ -36,14 +47,28 @@ void macio_nvram_init(const char *path, uint32_t addr)
phandle_t dnode;
int props[2];
char buf[64];
unsigned long nvram_size, nvram_offset;
nvram = (char*)addr + IO_NVRAM_OFFSET;
if (is_oldworld()) {
nvram_offset = OW_IO_NVRAM_OFFSET;
nvram_size = OW_IO_NVRAM_SIZE;
} else {
nvram_offset = NW_IO_NVRAM_OFFSET;
nvram_size = NW_IO_NVRAM_SIZE;
push_str("/");
fword("find-device");
fword("new-device");
push_str("nvram");
fword("device-name");
fword("finish-device");
}
nvram = (char*)addr + nvram_offset;
snprintf(buf, sizeof(buf), "%s/nvram", path);
nvram_init(buf);
dnode = find_dev(buf);
set_int_property(dnode, "#bytes", arch_nvram_size() );
props[0] = __cpu_to_be32(IO_NVRAM_OFFSET);
props[1] = __cpu_to_be32(IO_NVRAM_SIZE);
props[0] = __cpu_to_be32(nvram_offset);
props[1] = __cpu_to_be32(nvram_size);
set_property(dnode, "reg", (char *)&props, sizeof(props));
set_property(dnode, "device_type", "nvram", 6);
@@ -81,8 +106,15 @@ void
arch_nvram_put( char *buf )
{
int i;
unsigned int it_shift;
if (is_oldworld())
it_shift = OW_IO_NVRAM_SHIFT;
else
it_shift = NW_IO_NVRAM_SHIFT;
for (i=0; i< arch_nvram_size() ; i++)
nvram[i<<4]=buf[i];
nvram[i << it_shift] = buf[i];
#ifdef DUMP_NVRAM
printk("new nvram:\n");
dump_nvram();
@@ -93,8 +125,15 @@ void
arch_nvram_get( char *buf )
{
int i;
unsigned int it_shift;
if (is_oldworld())
it_shift = OW_IO_NVRAM_SHIFT;
else
it_shift = NW_IO_NVRAM_SHIFT;
for (i=0; i< arch_nvram_size(); i++)
buf[i]=nvram[i<<4];
buf[i] = nvram[i << it_shift];
#ifdef DUMP_NVRAM
printk("current nvram:\n");
@@ -102,8 +141,36 @@ arch_nvram_get( char *buf )
#endif
}
static void
openpic_init(const char *path, uint32_t addr)
{
phandle_t dnode;
int props[2];
char buf[128];
push_str(path);
fword("find-device");
fword("new-device");
push_str("interrupt-controller");
fword("device-name");
fword("finish-device");
snprintf(buf, sizeof(buf), "%s/interrupt-controller", path);
dnode = find_dev(buf);
set_property(dnode, "device_type", "open-pic", 9);
set_property(dnode, "compatible", "chrp,open-pic", 14);
set_property(dnode, "built-in", "", 0);
props[0] = __cpu_to_be32(IO_OPENPIC_OFFSET);
props[1] = __cpu_to_be32(IO_OPENPIC_SIZE);
set_property(dnode, "reg", (char *)&props, sizeof(props));
set_int_property(dnode, "#interrupt-cells", 2);
set_int_property(dnode, "#address-cells", 0);
set_property(dnode, "interrupt-controller", "", 0);
set_int_property(dnode, "clock-frequency", 4166666);
}
void
ob_macio_init(const char *path, uint32_t addr)
ob_macio_heathrow_init(const char *path, uint32_t addr)
{
phandle_t aliases;
@@ -115,3 +182,19 @@ ob_macio_init(const char *path, uint32_t addr)
escc_init(path, addr);
macio_ide_init(path, addr, 1);
}
void
ob_macio_keylargo_init(const char *path, uint32_t addr)
{
phandle_t aliases;
aliases = find_dev("/aliases");
set_property(aliases, "mac-io", path, strlen(path) + 1);
cuda_init(path, addr);
/* The NewWorld NVRAM is not located in the MacIO device */
macio_nvram_init("", 0);
escc_init(path, addr);
macio_ide_init(path, addr, 3);
openpic_init(path, addr);
}