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@freescale.com Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- Changes for v2: sending as it is for patch set
arch/arm/cpu/armv8/fsl-lsch3/cpu.c | 37 +++++++++++++++++++++++++++++++ arch/arm/include/asm/arch-fsl-lsch3/soc.h | 20 +++++++++++++++++ 2 files changed, 57 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c index 19c3995..52bc731 100644 --- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c +++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c @@ -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()) { diff --git a/arch/arm/include/asm/arch-fsl-lsch3/soc.h b/arch/arm/include/asm/arch-fsl-lsch3/soc.h index 16b723d..9a29272 100644 --- a/arch/arm/include/asm/arch-fsl-lsch3/soc.h +++ b/arch/arm/include/asm/arch-fsl-lsch3/soc.h @@ -4,5 +4,25 @@ * SPDX-License-Identifier: GPL-2.0+ */
+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);