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| author | Bin Meng <bmeng.cn@gmail.com> | 2015-02-02 22:35:27 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-02-06 12:07:41 -0700 |
| commit | 828d9af5eca7404ded18e0ede453f8040fd01f78 (patch) | |
| tree | a6ec6bad4bc6272d1609759b9bace2ea055614af /arch/x86/cpu/quark/quark.c | |
| parent | 0fae4d24df15b9133643c37e1a1d0d832fff801c (diff) | |
| download | u-boot-imx-828d9af5eca7404ded18e0ede453f8040fd01f78.zip u-boot-imx-828d9af5eca7404ded18e0ede453f8040fd01f78.tar.gz u-boot-imx-828d9af5eca7404ded18e0ede453f8040fd01f78.tar.bz2 | |
x86: Add basic Intel Quark processor support
Add minimum codes to support Intel Quark SoC. DRAM initialization
is not ready yet so a hardcoded gd->ram_size is assigned.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/cpu/quark/quark.c')
| -rw-r--r-- | arch/x86/cpu/quark/quark.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c new file mode 100644 index 0000000..47ba152 --- /dev/null +++ b/arch/x86/cpu/quark/quark.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/pci.h> +#include <asm/post.h> +#include <asm/processor.h> + +int arch_cpu_init(void) +{ + struct pci_controller *hose; + int ret; + + post_code(POST_CPU_INIT); +#ifdef CONFIG_SYS_X86_TSC_TIMER + timer_set_base(rdtsc()); +#endif + + ret = x86_cpu_init_f(); + if (ret) + return ret; + + ret = pci_early_init_hose(&hose); + if (ret) + return ret; + + return 0; +} + +int print_cpuinfo(void) +{ + post_code(POST_CPU_INFO); + return default_print_cpuinfo(); +} + +void reset_cpu(ulong addr) +{ + /* cold reset */ + outb(0x08, PORT_RESET); +} |