diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/imx-common/cpu.c | 24 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 8 |
2 files changed, 29 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/imx-common/cpu.c b/arch/arm/cpu/armv7/imx-common/cpu.c index 6d7486b..3d58d8a 100644 --- a/arch/arm/cpu/armv7/imx-common/cpu.c +++ b/arch/arm/cpu/armv7/imx-common/cpu.c @@ -64,13 +64,33 @@ static char *get_reset_cause(void) } #if defined(CONFIG_DISPLAY_CPUINFO) + +static char *get_imx_type(u32 imxtype) +{ + switch (imxtype) { + case 0x63: + return "6Q"; /* Quad-core version of the mx6 */ + case 0x61: + return "6DS"; /* Dual/Solo version of the mx6 */ + case 0x60: + return "6SL"; /* Solo-Lite version of the mx6 */ + case 0x51: + return "51"; + case 0x53: + return "53"; + default: + return "unknown"; + } +} + int print_cpuinfo(void) { u32 cpurev; cpurev = get_cpu_rev(); - printf("CPU: Freescale i.MX%x family rev%d.%d at %d MHz\n", - (cpurev & 0xFF000) >> 12, + + printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n", + get_imx_type((cpurev & 0xFF000) >> 12), (cpurev & 0x000F0) >> 4, (cpurev & 0x0000F) >> 0, mxc_get_clock(MXC_ARM_CLK) / 1000000); diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 2ac74b5..a81e2bc 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -32,7 +32,13 @@ u32 get_cpu_rev(void) { - int system_rev = 0x61000 | CHIP_REV_1_0; + 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; } |