diff options
author | Sriram Dash | 2016-06-13 09:58:32 +0530 |
---|---|---|
committer | Marek Vasut | 2016-06-13 15:16:38 +0200 |
commit | 6fb522dc774db981e1c8463e71898287e039c5f4 (patch) | |
tree | d30725d2b5185275d7851aab13126f598e8668e9 /arch/arm | |
parent | 1653cd18eee1555e1fd4a8c2fd88048d53bdc619 (diff) |
arm64: fsl-layerscape: add get_svr and IS_SVR_REV helper
Adds get_svr and IS_SVR_REV helpers for ARMv8 platforms,
similar to PPC and ARMv7.
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Diffstat (limited to 'arch/arm')
4 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index 9a5a6b53f76..9c575c14d73 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -528,6 +528,13 @@ u32 fsl_qoriq_core_to_type(unsigned int core) return -1; /* cannot identify the cluster */ } +uint get_svr(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + + return gur_in32(&gur->svr); +} + #ifdef CONFIG_DISPLAY_CPUINFO int print_cpuinfo(void) { diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h index e98e055d9f1..8b8a7c15bdd 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h @@ -596,4 +596,6 @@ struct ccsr_cci400 { #define SCR0_CLIENTPD_MASK 0x00000001 #define SCR0_USFCFG_MASK 0x00000400 +uint get_svr(void); + #endif /* __ARCH_FSL_LSCH2_IMMAP_H__*/ diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h index 65b3357009a..e48bbaf7f42 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -319,4 +319,7 @@ struct ccsr_reset { u32 ip_rev1; /* 0xbf8 */ u32 ip_rev2; /* 0xbfc */ }; + +uint get_svr(void); + #endif /* __ARCH_FSL_LSCH3_IMMAP_H_ */ diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h b/arch/arm/include/asm/arch-fsl-layerscape/soc.h index 02ecc6257e1..2cb6c5430e7 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h @@ -53,6 +53,8 @@ struct cpu_type { #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)) +#define IS_SVR_REV(svr, maj, min) \ + ((SVR_MAJ(svr) == (maj)) && (SVR_MIN(svr) == (min))) /* ahci port register default value */ #define AHCI_PORT_PHY_1_CFG 0xa003fffe |