diff options
Diffstat (limited to 'arch/mips/fw')
| -rw-r--r-- | arch/mips/fw/arc/arc_con.c | 4 | ||||
| -rw-r--r-- | arch/mips/fw/arc/memory.c | 35 | ||||
| -rw-r--r-- | arch/mips/fw/arc/promlib.c | 6 | ||||
| -rw-r--r-- | arch/mips/fw/cfe/cfe_api.c | 73 | ||||
| -rw-r--r-- | arch/mips/fw/lib/cmdline.c | 4 | ||||
| -rw-r--r-- | arch/mips/fw/sni/sniprom.c | 8 |
6 files changed, 101 insertions, 29 deletions
diff --git a/arch/mips/fw/arc/arc_con.c b/arch/mips/fw/arc/arc_con.c index 365e3913231e..7fdce236b298 100644 --- a/arch/mips/fw/arc/arc_con.c +++ b/arch/mips/fw/arc/arc_con.c @@ -28,7 +28,9 @@ static void prom_console_write(struct console *co, const char *s, static int prom_console_setup(struct console *co, char *options) { - return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE); + if (prom_flags & PROM_FLAG_USE_AS_CONSOLE) + return 0; + return -ENODEV; } static struct console arc_cons = { diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c index dbbcddc82823..fb78e6fd5de4 100644 --- a/arch/mips/fw/arc/memory.c +++ b/arch/mips/fw/arc/memory.c @@ -22,7 +22,6 @@ #include <asm/sgialib.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/bootinfo.h> #undef DEBUG @@ -33,12 +32,12 @@ static phys_addr_t prom_mem_size[MAX_PROM_MEM] __initdata; static unsigned int nr_prom_mem __initdata; /* - * For ARC firmware memory functions the unit of meassuring memory is always + * For ARC firmware memory functions the unit of measuring memory is always * a 4k page of memory */ #define ARC_PAGE_SHIFT 12 -struct linux_mdesc * __init ArcGetMemoryDescriptor(struct linux_mdesc *Current) +static struct linux_mdesc * __init ArcGetMemoryDescriptor(struct linux_mdesc *Current) { return (struct linux_mdesc *) ARC_CALL1(get_mdesc, Current); } @@ -69,20 +68,24 @@ static char *arc_mtypes[8] = { : arc_mtypes[a.arc] #endif +enum { + mem_free, mem_prom_used, mem_reserved +}; + static inline int memtype_classify_arcs(union linux_memtypes type) { switch (type.arcs) { case arcs_fcontig: case arcs_free: - return BOOT_MEM_RAM; + return mem_free; case arcs_atmp: - return BOOT_MEM_ROM_DATA; + return mem_prom_used; case arcs_eblock: case arcs_rvpage: case arcs_bmem: case arcs_prog: case arcs_aperm: - return BOOT_MEM_RESERVED; + return mem_reserved; default: BUG(); } @@ -94,15 +97,15 @@ static inline int memtype_classify_arc(union linux_memtypes type) switch (type.arc) { case arc_free: case arc_fcontig: - return BOOT_MEM_RAM; + return mem_free; case arc_atmp: - return BOOT_MEM_ROM_DATA; + return mem_prom_used; case arc_eblock: case arc_rvpage: case arc_bmem: case arc_prog: case arc_aperm: - return BOOT_MEM_RESERVED; + return mem_reserved; default: BUG(); } @@ -117,7 +120,7 @@ static int __init prom_memtype_classify(union linux_memtypes type) return memtype_classify_arc(type); } -void __init prom_meminit(void) +void __weak __init prom_meminit(void) { struct linux_mdesc *p; @@ -144,9 +147,17 @@ void __init prom_meminit(void) size = p->pages << ARC_PAGE_SHIFT; type = prom_memtype_classify(p->type); - add_memory_region(base, size, type); + /* ignore mirrored RAM on IP28/IP30 */ + if (base < PHYS_OFFSET) + continue; + + memblock_add(base, size); + + if (type == mem_reserved) + memblock_reserve(base, size); - if (type == BOOT_MEM_ROM_DATA) { + if (type == mem_prom_used) { + memblock_reserve(base, size); if (nr_prom_mem >= 5) { pr_err("Too many ROM DATA regions"); continue; diff --git a/arch/mips/fw/arc/promlib.c b/arch/mips/fw/arc/promlib.c index 5e9e840a9314..93e1e70393ee 100644 --- a/arch/mips/fw/arc/promlib.c +++ b/arch/mips/fw/arc/promlib.c @@ -15,11 +15,11 @@ /* * For 64bit kernels working with a 32bit ARC PROM pointer arguments * for ARC calls need to reside in CKEG0/1. But as soon as the kernel - * switches to it's first kernel thread stack is set to an address in + * switches to its first kernel thread stack is set to an address in * XKPHYS, so anything on stack can't be used anymore. This is solved - * by using a * static declartion variables are put into BSS, which is + * by using a * static declaration variables are put into BSS, which is * linked to a CKSEG0 address. Since this is only used on UP platforms - * there is not spinlock needed + * there is no spinlock needed */ #define O32_STATIC static #else diff --git a/arch/mips/fw/cfe/cfe_api.c b/arch/mips/fw/cfe/cfe_api.c index c020b29f561c..dcdfd962dbde 100644 --- a/arch/mips/fw/cfe/cfe_api.c +++ b/arch/mips/fw/cfe/cfe_api.c @@ -13,10 +13,15 @@ * * Authors: Mitch Lichtenberg, Chris Demetriou */ - +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/printk.h> +#include <asm/mipsregs.h> #include <asm/fw/cfe/cfe_api.h> #include "cfe_api_int.h" +unsigned long __initdata cfe_seal; + /* Cast from a native pointer to a cfe_xptr_t and back. */ #define XPTR_FROM_NATIVE(n) ((cfe_xptr_t) (intptr_t) (n)) #define NATIVE_FROM_XPTR(x) ((void *) (intptr_t) (x)) @@ -243,11 +248,6 @@ int cfe_getfwinfo(cfe_fwinfo_t * info) info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa; info->fwi_bootarea_size = xiocb.plist.xiocb_fwinfo.fwi_bootarea_size; -#if 0 - info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1; - info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2; - info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3; -#endif return 0; } @@ -417,3 +417,64 @@ int cfe_writeblk(int handle, s64 offset, const char *buffer, int length) return xiocb.xiocb_status; return xiocb.plist.xiocb_buffer.buf_retlen; } + +void __init cfe_die(char *fmt, ...) +{ + unsigned int prid, __maybe_unused rev; + char msg[128]; + va_list ap; + int handle; + unsigned int count; + + va_start(ap, fmt); + vsprintf(msg, fmt, ap); + strcat(msg, "\r\n"); + + if (cfe_seal != CFE_EPTSEAL) + goto no_cfe; + + prid = read_c0_prid(); + if ((prid & PRID_COMP_MASK) != PRID_COMP_BROADCOM) + goto no_cfe; + + rev = prid & PRID_REV_MASK; + + /* disable XKS01 so that CFE can access the registers */ + switch (prid & PRID_IMP_MASK) { +#ifdef CONFIG_CPU_BMIPS4380 + case PRID_IMP_BMIPS43XX: + if (rev >= PRID_REV_BMIPS4380_LO && + rev <= PRID_REV_BMIPS4380_HI) + __write_32bit_c0_register($22, 3, + __read_32bit_c0_register($22, 3) & ~BIT(12)); + break; +#endif +#ifdef CONFIG_CPU_BMIPS5000 + case PRID_IMP_BMIPS5000: + case PRID_IMP_BMIPS5200: + __write_32bit_c0_register($22, 5, + __read_32bit_c0_register($22, 5) & ~BIT(8)); + break; +#endif + default: + break; + } + + handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE); + if (handle < 0) + goto no_cfe; + + cfe_write(handle, msg, strlen(msg)); + + for (count = 0; count < 0x7fffffff; count++) + mb(); + cfe_exit(0, 1); + while (1) + ; + +no_cfe: + /* probably won't print anywhere useful */ + panic("%s", msg); + + va_end(ap); +} diff --git a/arch/mips/fw/lib/cmdline.c b/arch/mips/fw/lib/cmdline.c index 6ecda64ad184..892765b742bb 100644 --- a/arch/mips/fw/lib/cmdline.c +++ b/arch/mips/fw/lib/cmdline.c @@ -16,6 +16,7 @@ int fw_argc; int *_fw_argv; int *_fw_envp; +#ifndef CONFIG_HAVE_PLAT_FW_INIT_CMDLINE void __init fw_init_cmdline(void) { int i; @@ -41,6 +42,7 @@ void __init fw_init_cmdline(void) strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); } } +#endif char * __init fw_getcmdline(void) { @@ -51,7 +53,7 @@ char *fw_getenv(char *envname) { char *result = NULL; - if (_fw_envp != NULL) { + if (_fw_envp != NULL && fw_envp(0) != NULL) { /* * Return a pointer to the given environment variable. * YAMON uses "name", "value" pairs, while U-Boot uses diff --git a/arch/mips/fw/sni/sniprom.c b/arch/mips/fw/sni/sniprom.c index 80112f2298b6..74975e115950 100644 --- a/arch/mips/fw/sni/sniprom.c +++ b/arch/mips/fw/sni/sniprom.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/memblock.h> #include <linux/string.h> #include <linux/console.h> @@ -86,10 +87,6 @@ void *prom_get_hwconf(void) return (void *)CKSEG1ADDR(hwconf); } -void __init prom_free_prom_memory(void) -{ -} - /* * /proc/cpuinfo system type * @@ -131,8 +128,7 @@ static void __init sni_mem_init(void) } pr_debug("Bank%d: %08x @ %08x\n", i, memconf[i].size, memconf[i].base); - add_memory_region(memconf[i].base, memconf[i].size, - BOOT_MEM_RAM); + memblock_add(memconf[i].base, memconf[i].size); } } |