diff options
Diffstat (limited to 'arch/mips/loongson/common/env.c')
| -rw-r--r-- | arch/mips/loongson/common/env.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/mips/loongson/common/env.c b/arch/mips/loongson/common/env.c index f15228550a22..045ea3d47c87 100644 --- a/arch/mips/loongson/common/env.c +++ b/arch/mips/loongson/common/env.c @@ -21,6 +21,7 @@ #include <asm/bootinfo.h> #include <loongson.h> #include <boot_param.h> +#include <workarounds.h> u32 cpu_clock_freq; EXPORT_SYMBOL(cpu_clock_freq); @@ -31,7 +32,6 @@ u64 loongson_chipcfg[MAX_PACKAGES] = {0xffffffffbfc00180}; u64 loongson_freqctrl[MAX_PACKAGES]; unsigned long long smp_group[4]; -int cpuhotplug_workaround = 0; #define parse_even_earlier(res, option, p) \ do { \ @@ -67,6 +67,7 @@ void __init prom_init_env(void) #else struct boot_params *boot_p; struct loongson_params *loongson_p; + struct system_loongson *esys; struct efi_cpuinfo_loongson *ecpu; struct irq_source_routing_table *eirq_source; @@ -74,6 +75,8 @@ void __init prom_init_env(void) boot_p = (struct boot_params *)fw_arg2; loongson_p = &(boot_p->efi.smbios.lp); + esys = (struct system_loongson *) + ((u64)loongson_p + loongson_p->system_offset); ecpu = (struct efi_cpuinfo_loongson *) ((u64)loongson_p + loongson_p->cpu_offset); eirq_source = (struct irq_source_routing_table *) @@ -95,6 +98,7 @@ void __init prom_init_env(void) loongson_chipcfg[2] = 0x900020001fe00180; loongson_chipcfg[3] = 0x900030001fe00180; loongson_sysconf.ht_control_base = 0x90000EFDFB000000; + loongson_sysconf.workarounds = WORKAROUND_CPUFREQ; } else if (ecpu->cputype == Loongson_3B) { loongson_sysconf.cores_per_node = 4; /* One chip has 2 nodes */ loongson_sysconf.cores_per_package = 8; @@ -111,7 +115,7 @@ void __init prom_init_env(void) loongson_freqctrl[2] = 0x900040001fe001d0; loongson_freqctrl[3] = 0x900060001fe001d0; loongson_sysconf.ht_control_base = 0x90001EFDFB000000; - cpuhotplug_workaround = 1; + loongson_sysconf.workarounds = WORKAROUND_CPUHOTPLUG; } else { loongson_sysconf.cores_per_node = 1; loongson_sysconf.cores_per_package = 1; @@ -119,6 +123,8 @@ void __init prom_init_env(void) } loongson_sysconf.nr_cpus = ecpu->nr_cpus; + loongson_sysconf.boot_cpu_id = ecpu->cpu_startup_core_id; + loongson_sysconf.reserved_cpus_mask = ecpu->reserved_cores_mask; if (ecpu->nr_cpus > NR_CPUS || ecpu->nr_cpus == 0) loongson_sysconf.nr_cpus = NR_CPUS; loongson_sysconf.nr_nodes = (loongson_sysconf.nr_cpus + @@ -141,6 +147,24 @@ void __init prom_init_env(void) pr_debug("Shutdown Addr: %llx, Restart Addr: %llx, VBIOS Addr: %llx\n", loongson_sysconf.poweroff_addr, loongson_sysconf.restart_addr, loongson_sysconf.vgabios_addr); + + memset(loongson_sysconf.ecname, 0, 32); + if (esys->has_ec) + memcpy(loongson_sysconf.ecname, esys->ec_name, 32); + loongson_sysconf.workarounds |= esys->workarounds; + + loongson_sysconf.nr_uarts = esys->nr_uarts; + if (esys->nr_uarts < 1 || esys->nr_uarts > MAX_UARTS) + loongson_sysconf.nr_uarts = 1; + memcpy(loongson_sysconf.uarts, esys->uarts, + sizeof(struct uart_device) * loongson_sysconf.nr_uarts); + + loongson_sysconf.nr_sensors = esys->nr_sensors; + if (loongson_sysconf.nr_sensors > MAX_SENSORS) + loongson_sysconf.nr_sensors = 0; + if (loongson_sysconf.nr_sensors) + memcpy(loongson_sysconf.sensors, esys->sensors, + sizeof(struct sensor_device) * loongson_sysconf.nr_sensors); #endif if (cpu_clock_freq == 0) { processor_id = (¤t_cpu_data)->processor_id; |