u-boot.git/arch/x86/cpu/cpu.c, branch v2015.07

x86: Allow CPUs to be set up after relocation

2015-04-30T22:13:48Z

This permits init of additional CPU cores after relocation and when driver model is ready. Signed-off-by: Simon Glass Reviewed-by: Bin Meng

x86: Store the GDT pointer in global_data

2015-04-30T03:02:34Z

When we start up additional CPUs we want them to use the same Global Descriptor Table. Store the address of this in global_data so we can reference it later. Signed-off-by: Simon Glass Reviewed-by: Bin Meng

x86: Implement reset_cpu() correctly for modern CPUs

2015-04-30T03:02:31Z

The existing code is pretty ancient and is unreliable on modern hardware. Generally it will hang. We can use port 0xcf9 to initiate reset on more modern hardware (say in the last 10 years). Update the reset_cpu() function to do this, and add a new 'full reset' function to perform a full power cycle. Signed-off-by: Simon Glass Reviewed-by: Bin Meng

x86: Write configuration tables in last_stage_init()

2015-04-30T00:51:49Z

We can write the configuration table in last_stage_init() for all x86 boards, but not with coreboot since coreboot already has them. Signed-off-by: Bin Meng Acked-by: Simon Glass

Kconfig: Move CONFIG_BOOTSTAGE to Kconfig

2015-04-18T17:11:37Z

Move CONFIG_BOOT_STAGE and its associated options to Kconfig. Adjust existing users and code. Signed-off-by: Simon Glass

x86: Save mtrr support flag in global data

2015-01-24T00:24:55Z

CPUID (EAX 01H) returns MTRR support flag in EDX bit 12. Probe this flag in x86_cpu_init_f() and save it in global data. Signed-off-by: Bin Meng Acked-by: Simon Glass

x86: Add GDT descriptors for option ROMs

2014-11-25T13:34:14Z

Option ROMs require a few additional descriptors. Add these, and remove the enum since we now have to access several descriptors from assembler. Signed-off-by: Simon Glass

x86: Remove cpu_init_r() for x86

2014-11-25T13:34:02Z

Since cpu_init_interrupts() was moved out of cpu_init_r(), it is useless to keep cpu_init_r() for x86, thus remove it. Signed-off-by: Bin Meng Acked-by: Simon Glass Tested-by: Simon Glass

x86: Call cpu_init_interrupts() from interrupt_init()

2014-11-25T13:34:02Z

Currently cpu_init_interrupts() is called from cpu_init_r() to setup the interrupt and exception of the cpu core, but at that time the i8259 has not been initialized to mask all the irqs and remap the master i8259 interrupt vector base, so the whole system is at risk of being interrupted, and if interrupted, wrong interrupt/exception message is shown. Signed-off-by: Bin Meng Acked-by: Simon Glass Tested-by: Simon Glass

x86: Make show_boot_progress() common

2014-11-21T06:34:15Z

This function can probably be used on all x86 boards, so move it into the common file. Signed-off-by: Simon Glass