Message ID | 1456673597-3207-1-git-send-email-festevam@gmail.com |
---|---|
State | Accepted |
Commit | e25a0656bac63c5fcd20ef4313dc09c409fc512d |
Delegated to: | Stefano Babic |
Headers | show |
Hi Fabio, On Sun, Feb 28, 2016 at 12:33:17PM -0300, Fabio Estevam wrote: >From: Fabio Estevam <fabio.estevam@nxp.com> > >Read the number of cores in the fuses to distinguish between >the dual and solo versions. > >Tested on a mx7d sabresd and on a mx7solo warp7. > >Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> >--- > arch/arm/cpu/armv7/mx7/soc.c | 18 ++++++++++++++++++ > arch/arm/imx-common/cpu.c | 2 ++ > arch/arm/include/asm/arch-imx/cpu.h | 1 + > 3 files changed, 21 insertions(+) > >diff --git a/arch/arm/cpu/armv7/mx7/soc.c b/arch/arm/cpu/armv7/mx7/soc.c >index ba6cfb9..073bbc6 100644 >--- a/arch/arm/cpu/armv7/mx7/soc.c >+++ b/arch/arm/cpu/armv7/mx7/soc.c >@@ -165,6 +165,21 @@ u32 get_cpu_temp_grade(int *minc, int *maxc) > return val; > } > >+static bool is_mx7d(void) >+{ >+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; >+ struct fuse_bank *bank = &ocotp->bank[1]; >+ struct fuse_bank1_regs *fuse = >+ (struct fuse_bank1_regs *)bank->fuse_regs; >+ int val; >+ >+ val = readl(&fuse->tester4); >+ if (val & 1) >+ return false; >+ else >+ return true; >+} >+ > u32 get_cpu_rev(void) > { > struct mxc_ccm_anatop_reg *ccm_anatop = (struct mxc_ccm_anatop_reg *) >@@ -172,6 +187,9 @@ u32 get_cpu_rev(void) > u32 reg = readl(&ccm_anatop->digprog); > u32 type = (reg >> 16) & 0xff; > >+ if (!is_mx7d()) >+ type = MXC_CPU_MX7S; >+ > reg &= 0xff; > return (type << 12) | reg; > } >diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c >index 656bb60..5fb3ed8 100644 >--- a/arch/arm/imx-common/cpu.c >+++ b/arch/arm/imx-common/cpu.c >@@ -137,6 +137,8 @@ unsigned imx_ddr_size(void) > const char *get_imx_type(u32 imxtype) > { > switch (imxtype) { >+ case MXC_CPU_MX7S: >+ return "7SOLO"; /* Single-core version of the mx7 */ > case MXC_CPU_MX7D: > return "7D"; /* Dual-core version of the mx7 */ > case MXC_CPU_MX6QP: >diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h >index 8a75902..7c63c13 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_MX7S 0x71 /* dummy ID */ > #define MXC_CPU_MX7D 0x72 > #define MXC_CPU_VF610 0xF6 /* dummy ID */ Reviewed-by: Peng Fan <peng.fan@nxp.com> Regards, Peng. > >-- >1.9.1 > >_______________________________________________ >U-Boot mailing list >U-Boot@lists.denx.de >http://lists.denx.de/mailman/listinfo/u-boot
On 28/02/2016 16:33, Fabio Estevam wrote: > From: Fabio Estevam <fabio.estevam@nxp.com> > > Read the number of cores in the fuses to distinguish between > the dual and solo versions. > > Tested on a mx7d sabresd and on a mx7solo warp7. > > Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> > --- Applied to -next, thanks ! Best regards, Stefano Babic
diff --git a/arch/arm/cpu/armv7/mx7/soc.c b/arch/arm/cpu/armv7/mx7/soc.c index ba6cfb9..073bbc6 100644 --- a/arch/arm/cpu/armv7/mx7/soc.c +++ b/arch/arm/cpu/armv7/mx7/soc.c @@ -165,6 +165,21 @@ u32 get_cpu_temp_grade(int *minc, int *maxc) return val; } +static bool is_mx7d(void) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[1]; + struct fuse_bank1_regs *fuse = + (struct fuse_bank1_regs *)bank->fuse_regs; + int val; + + val = readl(&fuse->tester4); + if (val & 1) + return false; + else + return true; +} + u32 get_cpu_rev(void) { struct mxc_ccm_anatop_reg *ccm_anatop = (struct mxc_ccm_anatop_reg *) @@ -172,6 +187,9 @@ u32 get_cpu_rev(void) u32 reg = readl(&ccm_anatop->digprog); u32 type = (reg >> 16) & 0xff; + if (!is_mx7d()) + type = MXC_CPU_MX7S; + reg &= 0xff; return (type << 12) | reg; } diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index 656bb60..5fb3ed8 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -137,6 +137,8 @@ unsigned imx_ddr_size(void) const char *get_imx_type(u32 imxtype) { switch (imxtype) { + case MXC_CPU_MX7S: + return "7SOLO"; /* Single-core version of the mx7 */ case MXC_CPU_MX7D: return "7D"; /* Dual-core version of the mx7 */ case MXC_CPU_MX6QP: diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h index 8a75902..7c63c13 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_MX7S 0x71 /* dummy ID */ #define MXC_CPU_MX7D 0x72 #define MXC_CPU_VF610 0xF6 /* dummy ID */