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armv8/fsl-ch3: Add support to print SoC personality 

This patch adds support to print out the SoC personality.
Freescale LS20xx SoCs (compliant to Chassis-3 specifications) can
have 6 personalities: LS2045AE, LS2045A, LS2080AE, LS2080A,
LS2085AE and LS2085A

Signed-off-by: Bhupesh Sharma <bhupesh.sharma at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Prabhakar Kushwaha 2015-05-28 14:54:06 +05:30 committed by York Sun
parent d4c711f0ad
commit 226296656c
2 changed files with 58 additions and 1 deletions
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37
arch/arm/cpu/armv8/fsl-lsch3/cpu.c
View File

@ -9,6 +9,7 @@
#include <asm/system.h>
#include <asm/armv8/mmu.h>
#include <asm/io.h>
#include <asm/arch-fsl-lsch3/soc.h>
#include <asm/arch-fsl-lsch3/immap_lsch3.h>
#include <fsl_debug_server.h>
#include <fsl-mc/fsl_mc.h>
@ -22,6 +23,35 @@
DECLARE_GLOBAL_DATA_PTR;
static struct cpu_type cpu_type_list[] = {
#ifdef CONFIG_LS2085A
CPU_TYPE_ENTRY(LS2085, LS2085, 8),
CPU_TYPE_ENTRY(LS2080, LS2080, 8),
CPU_TYPE_ENTRY(LS2045, LS2045, 4),
#endif
};
void cpu_name(char *name)
{
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
unsigned int i, svr, ver;
svr = in_le32(&gur->svr);
ver = SVR_SOC_VER(svr);
for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++)
if ((cpu_type_list[i].soc_ver & SVR_WO_E) == ver) {
strcpy(name, cpu_type_list[i].name);
if (IS_E_PROCESSOR(svr))
strcat(name, "E");
break;
}
if (i == ARRAY_SIZE(cpu_type_list))
strcpy(name, "unknown");
}
#ifndef CONFIG_SYS_DCACHE_OFF
/*
* To start MMU before DDR is available, we create MMU table in SRAM.
@ -380,6 +410,13 @@ int print_cpuinfo(void)
unsigned int i, core;
u32 type;
puts("SoC: ");
cpu_name(buf);
printf(" %s (0x%x)\n", buf, in_le32(&gur->svr));
memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));
get_sys_info(&sysinfo);
puts("Clock Configuration:");
for_each_cpu(i, core, cpu_numcores(), cpu_mask()) {

22
arch/arm/include/asm/arch-fsl-lsch3/soc.h
View File

@ -4,5 +4,25 @@
* SPDX-License-Identifier: GPL-2.0+
*/
void fsl_lsch3_early_init_f(void);
struct cpu_type {
char name[15];
u32 soc_ver;
u32 num_cores;
};
#define CPU_TYPE_ENTRY(n, v, nc) \
{ .name = #n, .soc_ver = SVR_##v, .num_cores = (nc)}
#define SVR_WO_E 0xFFFFFE
#define SVR_LS2045 0x870120
#define SVR_LS2080 0x870110
#define SVR_LS2085 0x870100
#define SVR_MAJ(svr) (((svr) >> 4) & 0xf)
#define SVR_MIN(svr) (((svr) >> 0) & 0xf)
#define SVR_SOC_VER(svr) (((svr) >> 8) & SVR_WO_E)
#define IS_E_PROCESSOR(svr) (!((svr >> 8) & 0x1))
void fsl_lsch3_early_init_f(void);
void cpu_name(char *name);