Hi Peng, On 01/09/2015 11:15, Peng Fan wrote: > Since we need to support runtime check for different drivers, we need > to add get_cpu_rev for vf610, otherwise there will be build errors. > > This patch introduces a dummy CPU id which is not read from chip > silicon. Later when we can get the real id from chip, can fix the > value of MXC_CPU_VF610 then. > > Signed-off-by: Peng Fan <[email protected]> > Suggested-by: Stefano Babic <[email protected]> > Cc: Stefano Babic <[email protected]> > --- > > Changes v2: > Take suggestion from Stefano, get_cpu_rev for vf610 should return an > ID saying dummy ID, but not 0. > > arch/arm/cpu/armv7/vf610/generic.c | 6 ++++++ > arch/arm/include/asm/arch-imx/cpu.h | 1 + > 2 files changed, 7 insertions(+) > > diff --git a/arch/arm/cpu/armv7/vf610/generic.c > b/arch/arm/cpu/armv7/vf610/generic.c > index 05c401d..08b9ef4 100644 > --- a/arch/arm/cpu/armv7/vf610/generic.c > +++ b/arch/arm/cpu/armv7/vf610/generic.c > @@ -9,6 +9,7 @@ > #include <asm/arch/imx-regs.h> > #include <asm/arch/clock.h> > #include <asm/arch/crm_regs.h> > +#include <asm/imx-common/sys_proto.h> > #include <netdev.h> > #ifdef CONFIG_FSL_ESDHC > #include <fsl_esdhc.h> > @@ -266,6 +267,11 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char > *mac) > } > #endif > > +u32 get_cpu_rev(void) > +{ > + return MXC_CPU_VF610 << 12; > +} > + > #if defined(CONFIG_DISPLAY_CPUINFO) > static char *get_reset_cause(void) > { > diff --git a/arch/arm/include/asm/arch-imx/cpu.h > b/arch/arm/include/asm/arch-imx/cpu.h > index be13b96..1c8d24e 100644 > --- a/arch/arm/include/asm/arch-imx/cpu.h > +++ b/arch/arm/include/asm/arch-imx/cpu.h > @@ -21,6 +21,7 @@ > #define MXC_CPU_MX6D 0x67 > #define MXC_CPU_MX6DP 0x68 > #define MXC_CPU_MX6QP 0x69 > +#define MXC_CPU_VF610 0xF6 /* dummy ID */ > > #define CS0_128 0 > #define CS0_64M_CS1_64M 1 >
Acked-by: Stefano Babic <[email protected]> Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
