Previously, the same value was returned for both mx6dl and mx6solo. Check number of processors to differeniate. Also, a freescale patch says that sololite has its cpu/rev stored at 0x280 instead of 0x260. I don't have a sololite to verify.
Signed-off-by: Troy Kisky troy.kisky@boundarydevices.com
--- --- arch/arm/cpu/armv7/mx6/soc.c | 32 +++++++++++++++++++++-------- arch/arm/imx-common/cpu.c | 16 ++++++++------- arch/arm/include/asm/arch-mx5/sys_proto.h | 9 +++++++- arch/arm/include/asm/arch-mx6/imx-regs.h | 2 ++ arch/arm/include/asm/arch-mx6/sys_proto.h | 9 +++++++- 5 files changed, 51 insertions(+), 17 deletions(-)
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index bc65767..a8aad5d 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -31,17 +31,33 @@ #include <asm/arch/sys_proto.h> #include <asm/imx-common/boot_mode.h>
+struct scu_regs { + u32 ctrl; + u32 config; + u32 status; + u32 invalidate; + u32 fpga_rev; +}; + u32 get_cpu_rev(void) { struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; - int reg = readl(&anatop->digprog); - - /* Read mx6 variant: quad, dual or solo */ - int system_rev = (reg >> 4) & 0xFF000; - /* Read mx6 silicon revision */ - system_rev |= (reg & 0xFF) + 0x10; - - return system_rev; + u32 reg = readl(&anatop->digprog_sololite); + u32 type = ((reg >> 16) & 0xff); + + if (type != MXC_CPU_MX6SL) { + reg = readl(&anatop->digprog); + type = ((reg >> 16) & 0xff); + if (type == MXC_CPU_MX6DL) { + struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR; + u32 cfg = readl(&scu->config) & 3; + + if (!cfg) + type = MXC_CPU_MX6SOLO; + } + } + reg &= 0xff; /* mx6 silicon revision */ + return (type << 12) | (reg + 0x10); }
void init_aips(void) diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index a10d12d..102c254 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -67,18 +67,20 @@ char *get_reset_cause(void)
#if defined(CONFIG_DISPLAY_CPUINFO)
-static const char *get_imx_type(u32 imxtype) +const char *get_imx_type(u32 imxtype) { switch (imxtype) { - case 0x63: + case MXC_CPU_MX6Q: return "6Q"; /* Quad-core version of the mx6 */ - case 0x61: - return "6DS"; /* Dual/Solo version of the mx6 */ - case 0x60: + case MXC_CPU_MX6DL: + return "6DL"; /* Dual Lite version of the mx6 */ + case MXC_CPU_MX6SOLO: + return "6SOLO"; /* Solo version of the mx6 */ + case MXC_CPU_MX6SL: return "6SL"; /* Solo-Lite version of the mx6 */ - case 0x51: + case MXC_CPU_MX51: return "51"; - case 0x53: + case MXC_CPU_MX53: return "53"; default: return "??"; diff --git a/arch/arm/include/asm/arch-mx5/sys_proto.h b/arch/arm/include/asm/arch-mx5/sys_proto.h index 7b5246e..4435be1 100644 --- a/arch/arm/include/asm/arch-mx5/sys_proto.h +++ b/arch/arm/include/asm/arch-mx5/sys_proto.h @@ -24,8 +24,15 @@ #ifndef _SYS_PROTO_H_ #define _SYS_PROTO_H_
-u32 get_cpu_rev(void); +#define MXC_CPU_MX51 0x51 +#define MXC_CPU_MX53 0x53 +#define MXC_CPU_MX6SL 0x60 +#define MXC_CPU_MX6DL 0x61 +#define MXC_CPU_MX6SOLO 0x62 +#define MXC_CPU_MX6Q 0x63 + #define is_soc_rev(rev) ((get_cpu_rev() & 0xFF) - rev) +u32 get_cpu_rev(void); void sdelay(unsigned long); void set_chipselect_size(int const);
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 09ab010..3eb0081 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -564,6 +564,8 @@ struct anatop_regs { u32 usb2_misc_clr; /* 0x258 */ u32 usb2_misc_tog; /* 0x25c */ u32 digprog; /* 0x260 */ + u32 reserved1[7]; + u32 digprog_sololite; /* 0x280 */ };
#define ANATOP_PFD_480_PFD0_FRAC_SHIFT 0 diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h b/arch/arm/include/asm/arch-mx6/sys_proto.h index 711b30d..6627bbc 100644 --- a/arch/arm/include/asm/arch-mx6/sys_proto.h +++ b/arch/arm/include/asm/arch-mx6/sys_proto.h @@ -24,9 +24,16 @@ #ifndef _SYS_PROTO_H_ #define _SYS_PROTO_H_
-#define is_soc_rev(rev) ((get_cpu_rev() & 0xFF) - rev) +#define MXC_CPU_MX51 0x51 +#define MXC_CPU_MX53 0x53 +#define MXC_CPU_MX6SL 0x60 +#define MXC_CPU_MX6DL 0x61 +#define MXC_CPU_MX6SOLO 0x62 +#define MXC_CPU_MX6Q 0x63
+#define is_soc_rev(rev) ((get_cpu_rev() & 0xFF) - rev) u32 get_cpu_rev(void); +const char *get_imx_type(u32 imxtype);
void set_vddsoc(u32 mv);