forked from Minki/linux
60587dbbe6
Add missing release version code for v9.4 and v9.5. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
134 lines
3.0 KiB
C
134 lines
3.0 KiB
C
/*
|
|
* Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
|
|
* Copyright (C) 2007-2009 PetaLogix
|
|
* Copyright (C) 2007 John Williams <john.williams@petalogix.com>
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/init.h>
|
|
#include <asm/cpuinfo.h>
|
|
#include <asm/pvr.h>
|
|
|
|
const struct cpu_ver_key cpu_ver_lookup[] = {
|
|
/* These key value are as per MBV field in PVR0 */
|
|
{"5.00.a", 0x01},
|
|
{"5.00.b", 0x02},
|
|
{"5.00.c", 0x03},
|
|
{"6.00.a", 0x04},
|
|
{"6.00.b", 0x06},
|
|
{"7.00.a", 0x05},
|
|
{"7.00.b", 0x07},
|
|
{"7.10.a", 0x08},
|
|
{"7.10.b", 0x09},
|
|
{"7.10.c", 0x0a},
|
|
{"7.10.d", 0x0b},
|
|
{"7.20.a", 0x0c},
|
|
{"7.20.b", 0x0d},
|
|
{"7.20.c", 0x0e},
|
|
{"7.20.d", 0x0f},
|
|
{"7.30.a", 0x10},
|
|
{"7.30.b", 0x11},
|
|
{"8.00.a", 0x12},
|
|
{"8.00.b", 0x13},
|
|
{"8.10.a", 0x14},
|
|
{"8.20.a", 0x15},
|
|
{"8.20.b", 0x16},
|
|
{"8.30.a", 0x17},
|
|
{"8.40.a", 0x18},
|
|
{"8.40.b", 0x19},
|
|
{"8.50.a", 0x1a},
|
|
{"8.50.b", 0x1c},
|
|
{"8.50.c", 0x1e},
|
|
{"9.0", 0x1b},
|
|
{"9.1", 0x1d},
|
|
{"9.2", 0x1f},
|
|
{"9.3", 0x20},
|
|
{"9.4", 0x21},
|
|
{"9.5", 0x22},
|
|
{NULL, 0},
|
|
};
|
|
|
|
/*
|
|
* FIXME Not sure if the actual key is defined by Xilinx in the PVR
|
|
*/
|
|
const struct family_string_key family_string_lookup[] = {
|
|
{"virtex2", 0x4},
|
|
{"virtex2pro", 0x5},
|
|
{"spartan3", 0x6},
|
|
{"virtex4", 0x7},
|
|
{"virtex5", 0x8},
|
|
{"spartan3e", 0x9},
|
|
{"spartan3a", 0xa},
|
|
{"spartan3an", 0xb},
|
|
{"spartan3adsp", 0xc},
|
|
{"spartan6", 0xd},
|
|
{"virtex6", 0xe},
|
|
{"virtex7", 0xf},
|
|
/* FIXME There is no key code defined for spartan2 */
|
|
{"spartan2", 0xf0},
|
|
{"kintex7", 0x10},
|
|
{"artix7", 0x11},
|
|
{"zynq7000", 0x12},
|
|
{"UltraScale Virtex", 0x13},
|
|
{"UltraScale Kintex", 0x14},
|
|
{NULL, 0},
|
|
};
|
|
|
|
struct cpuinfo cpuinfo;
|
|
static struct device_node *cpu;
|
|
|
|
void __init setup_cpuinfo(void)
|
|
{
|
|
cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu");
|
|
if (!cpu)
|
|
pr_err("You don't have cpu!!!\n");
|
|
|
|
pr_info("%s: initialising\n", __func__);
|
|
|
|
switch (cpu_has_pvr()) {
|
|
case 0:
|
|
pr_warn("%s: No PVR support. Using static CPU info from FDT\n",
|
|
__func__);
|
|
set_cpuinfo_static(&cpuinfo, cpu);
|
|
break;
|
|
/* FIXME I found weird behavior with MB 7.00.a/b 7.10.a
|
|
* please do not use FULL PVR with MMU */
|
|
case 1:
|
|
pr_info("%s: Using full CPU PVR support\n",
|
|
__func__);
|
|
set_cpuinfo_static(&cpuinfo, cpu);
|
|
set_cpuinfo_pvr_full(&cpuinfo, cpu);
|
|
break;
|
|
default:
|
|
pr_warn("%s: Unsupported PVR setting\n", __func__);
|
|
set_cpuinfo_static(&cpuinfo, cpu);
|
|
}
|
|
|
|
if (cpuinfo.mmu_privins)
|
|
pr_warn("%s: Stream instructions enabled"
|
|
" - USERSPACE CAN LOCK THIS KERNEL!\n", __func__);
|
|
}
|
|
|
|
void __init setup_cpuinfo_clk(void)
|
|
{
|
|
struct clk *clk;
|
|
|
|
clk = of_clk_get(cpu, 0);
|
|
if (IS_ERR(clk)) {
|
|
pr_err("ERROR: CPU CCF input clock not found\n");
|
|
/* take timebase-frequency from DTS */
|
|
cpuinfo.cpu_clock_freq = fcpu(cpu, "timebase-frequency");
|
|
} else {
|
|
cpuinfo.cpu_clock_freq = clk_get_rate(clk);
|
|
}
|
|
|
|
if (!cpuinfo.cpu_clock_freq) {
|
|
pr_err("ERROR: CPU clock frequency not setup\n");
|
|
BUG();
|
|
}
|
|
}
|