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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:48:43 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:48:43 -0700 |
commit | 0f166396e7e8931bb4acfd1a6ea1bd4f0b43f1dd (patch) | |
tree | 6279fa70695a4c56b7e935018a4c0fc1dfa82e68 /arch/mips/lemote/lm2e/prom.c | |
parent | 5f60cfd932b42c69ed3226400cb5eab152576c3a (diff) | |
parent | 105b1bca4d7bed85bb296f7e7caec2fc643e9fbf (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (62 commits)
[MIPS] PNX8550: Cleanup proc code.
[MIPS] WRPPMC: Fix build.
[MIPS] Yosemite: Fix modpost warnings.
[MIPS] Change names of local variables to silence sparse
[MIPS] SB1: Fix modpost warning.
[MIPS] PNX: Fix modpost warnings.
[MIPS] Alchemy: Fix modpost warnings.
[MIPS] Non-FPAFF: Fix warning.
[MIPS] DEC: Fix modpost warning.
[MIPS] MIPSsim: Enable MIPSsim virtual network driver.
[MIPS] Delete Ocelot 3 support.
[MIPS] remove LASAT Networks platforms support
[MIPS] Early check for SMTC kernel on non-MT processor
[MIPS] Add debugfs files to show fpuemu statistics
[MIPS] Add some debugfs files to debug unaligned accesses
[MIPS] rbtx4938: Fix secondary PCIC and glue internal NICs
[MIPS] tc35815: Load MAC address via platform_device
[MIPS] Move FPU affinity code into separate file.
[MIPS] Make ioremap() work on TX39/49 special unmapped segment
[MIPS] rbtx4938: Update and minimize defconfig
...
Diffstat (limited to 'arch/mips/lemote/lm2e/prom.c')
-rw-r--r-- | arch/mips/lemote/lm2e/prom.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/mips/lemote/lm2e/prom.c b/arch/mips/lemote/lm2e/prom.c new file mode 100644 index 00000000000..67312d7acf2 --- /dev/null +++ b/arch/mips/lemote/lm2e/prom.c @@ -0,0 +1,104 @@ +/* + * Based on Ocelot Linux port, which is + * Copyright 2001 MontaVista Software Inc. + * Author: jsun@mvista.com or jsun@junsun.net + * + * Copyright 2003 ICT CAS + * Author: Michael Guo <guoyi@ict.ac.cn> + * + * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Author: Fuxin Zhang, zhangfx@lemote.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/bootmem.h> + +#include <asm/addrspace.h> +#include <asm/bootinfo.h> + +extern unsigned long bus_clock; +extern unsigned long cpu_clock; +extern unsigned int memsize, highmemsize; +extern int putDebugChar(unsigned char byte); + +static int argc; +/* pmon passes arguments in 32bit pointers */ +static int *arg; +static int *env; + +const char *get_system_type(void) +{ + return "lemote-fulong"; +} + +void __init prom_init_cmdline(void) +{ + int i; + long l; + + /* arg[0] is "g", the rest is boot parameters */ + arcs_cmdline[0] = '\0'; + for (i = 1; i < argc; i++) { + l = (long)arg[i]; + if (strlen(arcs_cmdline) + strlen(((char *)l) + 1) + >= sizeof(arcs_cmdline)) + break; + strcat(arcs_cmdline, ((char *)l)); + strcat(arcs_cmdline, " "); + } +} + +void __init prom_init(void) +{ + long l; + argc = fw_arg0; + arg = (int *)fw_arg1; + env = (int *)fw_arg2; + + mips_machgroup = MACH_GROUP_LEMOTE; + mips_machtype = MACH_LEMOTE_FULONG; + + prom_init_cmdline(); + + if ((strstr(arcs_cmdline, "console=")) == NULL) + strcat(arcs_cmdline, " console=ttyS0,115200"); + if ((strstr(arcs_cmdline, "root=")) == NULL) + strcat(arcs_cmdline, " root=/dev/hda1"); + +#define parse_even_earlier(res, option, p) \ +do { \ + if (strncmp(option, (char *)p, strlen(option)) == 0) \ + res = simple_strtol((char *)p + strlen(option"="), \ + NULL, 10); \ +} while (0) + + l = (long)*env; + while (l != 0) { + parse_even_earlier(bus_clock, "busclock", l); + parse_even_earlier(cpu_clock, "cpuclock", l); + parse_even_earlier(memsize, "memsize", l); + parse_even_earlier(highmemsize, "highmemsize", l); + env++; + l = (long)*env; + } + if (memsize == 0) + memsize = 256; + + pr_info("busclock=%ld, cpuclock=%ld,memsize=%d,highmemsize=%d\n", + bus_clock, cpu_clock, memsize, highmemsize); +} + +void __init prom_free_prom_memory(void) +{ +} + +void prom_putchar(char c) +{ + putDebugChar(c); +} |