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author | John Crispin <john@openwrt.org> | 2007-07-23 22:10:11 +0000 |
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committer | John Crispin <john@openwrt.org> | 2007-07-23 22:10:11 +0000 |
commit | 7470547083506f15a893165e8e312a9bf4eac893 (patch) | |
tree | d996fa1661834d1fd45591bae6b977ad894c4530 /target/linux/amazon-2.6/files/arch/mips/amazon/prom.c | |
parent | bee289741948605001e405bb1fdb92b60b36b17c (diff) | |
download | master-31e0f0ae-7470547083506f15a893165e8e312a9bf4eac893.tar.gz master-31e0f0ae-7470547083506f15a893165e8e312a9bf4eac893.tar.bz2 master-31e0f0ae-7470547083506f15a893165e8e312a9bf4eac893.zip |
initial merge of infineon code for amazon, pci is still broken a bit. a big thank you goes to infineon for providing info and reference code
SVN-Revision: 8137
Diffstat (limited to 'target/linux/amazon-2.6/files/arch/mips/amazon/prom.c')
-rw-r--r-- | target/linux/amazon-2.6/files/arch/mips/amazon/prom.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/amazon-2.6/files/arch/mips/amazon/prom.c b/target/linux/amazon-2.6/files/arch/mips/amazon/prom.c new file mode 100644 index 0000000000..d60c3faa29 --- /dev/null +++ b/target/linux/amazon-2.6/files/arch/mips/amazon/prom.c @@ -0,0 +1,61 @@ +/* + * copyright 2007 john crispin <blogic@openwrt.org> + */ +#include <linux/init.h> +#include <linux/string.h> +#include <linux/ctype.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/bootmem.h> +#include <linux/ioport.h> +#include <asm/bootinfo.h> +#include <asm/amazon/amazon.h> +#include <asm/amazon/irq.h> +#include <asm/amazon/model.h> +#include <asm/cpu.h> + +void prom_putchar(char c) +{ + /* Wait for FIFO to empty */ + while (((*AMAZON_ASC_FSTAT) >> 8) != 0x00) ; + /* Crude cr/nl handling is better than none */ + if(c == '\n') + *AMAZON_ASC_TBUF=('\r'); + *AMAZON_ASC_TBUF=(c); +} + +void prom_printf(const char * fmt, ...) +{ + va_list args; + int l; + char *p, *buf_end; + char buf[1024]; + + va_start(args, fmt); + l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */ + va_end(args); + buf_end = buf + l; + + for (p = buf; p < buf_end; p++) + prom_putchar(*p); +} + + +void __init prom_init(void) +{ + mips_machgroup = MACH_GROUP_INFINEON; + mips_machtype = MACH_INFINEON_AMAZON; + + strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit"); + + add_memory_region(0x00000000, 0x1000000, BOOT_MEM_RAM); +} + +void prom_free_prom_memory(void) +{ +} + +const char *get_system_type(void) +{ + return BOARD_SYSTEM_TYPE; +} |