The information now is gathered from HW_DIGCTL_CHIPID register and includes the revision of the chip on the output.
Signed-off-by: Otavio Salvador otavio@ossystems.com.br Cc: Marek Vasut marex@denx.de Cc: Stefano Babic sbabic@denx.de Cc: Fabio Estevam fabio.estevam@freescale.com --- arch/arm/cpu/arm926ejs/mx28/mx28.c | 29 +++++++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c index a82ff25..ac2f2e0 100644 --- a/arch/arm/cpu/arm926ejs/mx28/mx28.c +++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c @@ -190,13 +190,38 @@ int arch_cpu_init(void) #endif
#if defined(CONFIG_DISPLAY_CPUINFO) +static const char *get_cpu_type(void) +{ + struct mx28_digctl_regs *digctl_regs = + (struct mx28_digctl_regs *)MXS_DIGCTL_BASE; + + switch (readl(&digctl_regs->hw_digctl_chipid) >> 16) { + case 0x2800: + return "28"; + case 0x3728: + return "23"; + default: + return "<unidentified>"; + } +} + +static u8 get_cpu_rev(void) +{ + struct mx28_digctl_regs *digctl_regs = + (struct mx28_digctl_regs *)MXS_DIGCTL_BASE; + + return readl(&digctl_regs->hw_digctl_chipid) & 0x0000F; +} + int print_cpuinfo(void) { struct mx28_spl_data *data = (struct mx28_spl_data *) ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf);
- printf("Freescale i.MX28 family at %d MHz\n", - mxc_get_clock(MXC_ARM_CLK) / 1000000); + printf("CPU: Freescale i.MX%s rev%d at %d MHz\n", + get_cpu_type(), + get_cpu_rev(), + mxc_get_clock(MXC_ARM_CLK) / 1000000); printf("BOOT: %s\n", mx28_boot_modes[data->boot_mode_idx].mode); return 0; }