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author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 23:05:57 +1030 |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 23:05:57 +1030 |
commit | 2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch) | |
tree | 726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /arch/sparc/prom/init_64.c | |
parent | e12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff) | |
parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
download | linux-2ca1a615835d9f4990f42102ab1f2ef434e7e89c.tar.gz linux-2ca1a615835d9f4990f42102ab1f2ef434e7e89c.tar.bz2 linux-2ca1a615835d9f4990f42102ab1f2ef434e7e89c.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/x86/kernel/io_apic.c
Diffstat (limited to 'arch/sparc/prom/init_64.c')
-rw-r--r-- | arch/sparc/prom/init_64.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c new file mode 100644 index 000000000000..7b00f89490a4 --- /dev/null +++ b/arch/sparc/prom/init_64.c @@ -0,0 +1,57 @@ +/* + * init.c: Initialize internal variables used by the PROM + * library functions. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/ctype.h> + +#include <asm/openprom.h> +#include <asm/oplib.h> + +/* OBP version string. */ +char prom_version[80]; + +/* The root node of the prom device tree. */ +int prom_stdin, prom_stdout; +int prom_chosen_node; + +/* You must call prom_init() before you attempt to use any of the + * routines in the prom library. It returns 0 on success, 1 on + * failure. It gets passed the pointer to the PROM vector. + */ + +extern void prom_cif_init(void *, void *); + +void __init prom_init(void *cif_handler, void *cif_stack) +{ + int node; + + prom_cif_init(cif_handler, cif_stack); + + prom_chosen_node = prom_finddevice(prom_chosen_path); + if (!prom_chosen_node || prom_chosen_node == -1) + prom_halt(); + + prom_stdin = prom_getint(prom_chosen_node, "stdin"); + prom_stdout = prom_getint(prom_chosen_node, "stdout"); + + node = prom_finddevice("/openprom"); + if (!node || node == -1) + prom_halt(); + + prom_getstring(node, "version", prom_version, sizeof(prom_version)); + + prom_printf("\n"); +} + +void __init prom_init_report(void) +{ + printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version); + printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible); +} |