diff options
Diffstat (limited to 'arch/mips/loongson/common/env.c')
| -rw-r--r-- | arch/mips/loongson/common/env.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/arch/mips/loongson/common/env.c b/arch/mips/loongson/common/env.c deleted file mode 100644 index 22f04ca2ff3e..000000000000 --- a/arch/mips/loongson/common/env.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * 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 - * - * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzhangjin@gmail.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/module.h> -#include <asm/bootinfo.h> -#include <loongson.h> -#include <boot_param.h> -#include <workarounds.h> - -u32 cpu_clock_freq; -EXPORT_SYMBOL(cpu_clock_freq); -struct efi_memory_map_loongson *loongson_memmap; -struct loongson_system_configuration loongson_sysconf; - -u64 loongson_chipcfg[MAX_PACKAGES] = {0xffffffffbfc00180}; -u64 loongson_chiptemp[MAX_PACKAGES]; -u64 loongson_freqctrl[MAX_PACKAGES]; - -unsigned long long smp_group[4]; - -#define parse_even_earlier(res, option, p) \ -do { \ - unsigned int tmp __maybe_unused; \ - \ - if (strncmp(option, (char *)p, strlen(option)) == 0) \ - tmp = kstrtou32((char *)p + strlen(option"="), 10, &res); \ -} while (0) - -void __init prom_init_env(void) -{ - /* pmon passes arguments in 32bit pointers */ - unsigned int processor_id; - -#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE - int *_prom_envp; - long l; - - /* firmware arguments are initialized in head.S */ - _prom_envp = (int *)fw_arg2; - - l = (long)*_prom_envp; - while (l != 0) { - parse_even_earlier(cpu_clock_freq, "cpuclock", l); - parse_even_earlier(memsize, "memsize", l); - parse_even_earlier(highmemsize, "highmemsize", l); - _prom_envp++; - l = (long)*_prom_envp; - } - if (memsize == 0) - memsize = 256; - pr_info("memsize=%u, highmemsize=%u\n", memsize, highmemsize); -#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; - - /* firmware arguments are initialized in head.S */ - 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 *) - ((u64)loongson_p + loongson_p->irq_offset); - loongson_memmap = (struct efi_memory_map_loongson *) - ((u64)loongson_p + loongson_p->memory_offset); - - cpu_clock_freq = ecpu->cpu_clock_freq; - loongson_sysconf.cputype = ecpu->cputype; - if (ecpu->cputype == Loongson_3A) { - loongson_sysconf.cores_per_node = 4; - loongson_sysconf.cores_per_package = 4; - smp_group[0] = 0x900000003ff01000; - smp_group[1] = 0x900010003ff01000; - smp_group[2] = 0x900020003ff01000; - smp_group[3] = 0x900030003ff01000; - loongson_chipcfg[0] = 0x900000001fe00180; - loongson_chipcfg[1] = 0x900010001fe00180; - loongson_chipcfg[2] = 0x900020001fe00180; - loongson_chipcfg[3] = 0x900030001fe00180; - loongson_chiptemp[0] = 0x900000001fe0019c; - loongson_chiptemp[1] = 0x900010001fe0019c; - loongson_chiptemp[2] = 0x900020001fe0019c; - loongson_chiptemp[3] = 0x900030001fe0019c; - 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; - smp_group[0] = 0x900000003ff01000; - smp_group[1] = 0x900010003ff05000; - smp_group[2] = 0x900020003ff09000; - smp_group[3] = 0x900030003ff0d000; - loongson_chipcfg[0] = 0x900000001fe00180; - loongson_chipcfg[1] = 0x900020001fe00180; - loongson_chipcfg[2] = 0x900040001fe00180; - loongson_chipcfg[3] = 0x900060001fe00180; - loongson_chiptemp[0] = 0x900000001fe0019c; - loongson_chiptemp[1] = 0x900020001fe0019c; - loongson_chiptemp[2] = 0x900040001fe0019c; - loongson_chiptemp[3] = 0x900060001fe0019c; - loongson_freqctrl[0] = 0x900000001fe001d0; - loongson_freqctrl[1] = 0x900020001fe001d0; - loongson_freqctrl[2] = 0x900040001fe001d0; - loongson_freqctrl[3] = 0x900060001fe001d0; - loongson_sysconf.ht_control_base = 0x90001EFDFB000000; - loongson_sysconf.workarounds = WORKAROUND_CPUHOTPLUG; - } else { - loongson_sysconf.cores_per_node = 1; - loongson_sysconf.cores_per_package = 1; - loongson_chipcfg[0] = 0x900000001fe00180; - } - - 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 + - loongson_sysconf.cores_per_node - 1) / - loongson_sysconf.cores_per_node; - - loongson_sysconf.pci_mem_start_addr = eirq_source->pci_mem_start_addr; - loongson_sysconf.pci_mem_end_addr = eirq_source->pci_mem_end_addr; - loongson_sysconf.pci_io_base = eirq_source->pci_io_start_addr; - loongson_sysconf.dma_mask_bits = eirq_source->dma_mask_bits; - if (loongson_sysconf.dma_mask_bits < 32 || - loongson_sysconf.dma_mask_bits > 64) - loongson_sysconf.dma_mask_bits = 32; - - loongson_sysconf.restart_addr = boot_p->reset_system.ResetWarm; - loongson_sysconf.poweroff_addr = boot_p->reset_system.Shutdown; - loongson_sysconf.suspend_addr = boot_p->reset_system.DoSuspend; - - loongson_sysconf.vgabios_addr = boot_p->efi.smbios.vga_bios; - 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; - switch (processor_id & PRID_REV_MASK) { - case PRID_REV_LOONGSON2E: - cpu_clock_freq = 533080000; - break; - case PRID_REV_LOONGSON2F: - cpu_clock_freq = 797000000; - break; - case PRID_REV_LOONGSON3A: - cpu_clock_freq = 900000000; - break; - case PRID_REV_LOONGSON3B_R1: - case PRID_REV_LOONGSON3B_R2: - cpu_clock_freq = 1000000000; - break; - default: - cpu_clock_freq = 100000000; - break; - } - } - pr_info("CpuClock = %u\n", cpu_clock_freq); -} |