mirror of https://gitee.com/openkylin/linux.git
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
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/*
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* Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
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* Copyright (C) 2007-2009 PetaLogix
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* Copyright (C) 2007 John Williams <john.williams@petalogix.com>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <asm/cpuinfo.h>
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#include <asm/pvr.h>
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const struct cpu_ver_key cpu_ver_lookup[] = {
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/* These key value are as per MBV field in PVR0 */
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{"5.00.a", 0x01},
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{"5.00.b", 0x02},
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{"5.00.c", 0x03},
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{"6.00.a", 0x04},
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{"6.00.b", 0x06},
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{"7.00.a", 0x05},
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{"7.00.b", 0x07},
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{"7.10.a", 0x08},
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{"7.10.b", 0x09},
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{"7.10.c", 0x0a},
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{"7.10.d", 0x0b},
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/* FIXME There is no keycode defined in MBV for these versions */
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{"2.10.a", 0x10},
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{"3.00.a", 0x20},
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{"4.00.a", 0x30},
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{"4.00.b", 0x40},
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{NULL, 0},
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};
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/*
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* FIXME Not sure if the actual key is defined by Xilinx in the PVR
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*/
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const struct family_string_key family_string_lookup[] = {
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{"virtex2", 0x4},
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{"virtex2pro", 0x5},
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{"spartan3", 0x6},
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{"virtex4", 0x7},
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{"virtex5", 0x8},
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{"spartan3e", 0x9},
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{"spartan3a", 0xa},
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{"spartan3an", 0xb},
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{"spartan3adsp", 0xc},
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/* FIXME There is no key code defined for spartan2 */
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{"spartan2", 0xf0},
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{NULL, 0},
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};
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struct cpuinfo cpuinfo;
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void __init setup_cpuinfo(void)
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{
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struct device_node *cpu = NULL;
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cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu");
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if (!cpu)
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printk(KERN_ERR "You don't have cpu!!!\n");
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printk(KERN_INFO "%s: initialising\n", __func__);
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switch (cpu_has_pvr()) {
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case 0:
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printk(KERN_WARNING
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"%s: No PVR support. Using static CPU info from FDT\n",
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__func__);
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set_cpuinfo_static(&cpuinfo, cpu);
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break;
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/* FIXME I found weird behavior with MB 7.00.a/b
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* please do not use FULL PVR with MMU */
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case 1:
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printk(KERN_INFO "%s: Using full CPU PVR support\n",
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__func__);
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set_cpuinfo_static(&cpuinfo, cpu);
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set_cpuinfo_pvr_full(&cpuinfo, cpu);
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break;
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default:
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printk(KERN_WARNING "%s: Unsupported PVR setting\n", __func__);
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set_cpuinfo_static(&cpuinfo, cpu);
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}
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}
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