diff options
author | Tom Rini <trini@konsulko.com> | 2019-11-03 19:28:54 -0500 |
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committer | Tom Rini <trini@konsulko.com> | 2019-11-03 19:28:54 -0500 |
commit | ee93ef0c4b272c57c08038655ff0259fdd2c4126 (patch) | |
tree | 8794b7d6bed8385811bac310d0ca35e6049b7e10 /arch/x86/lib/spl.c | |
parent | 9c17ad33fe3ec5ca9ce039db13ccf2e66d74d23b (diff) | |
parent | 73c6cd6c0bdb3af76d573f619bbcc141758bb16b (diff) |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
- Add support for Intel FSP-S and FSP-T in binman
- Correct priority selection for image loaders for SPL
- Add a size check for TPL
- Various small SPL/TPL bug fixes and changes
- SPI: Add support for memory-mapped flash
Diffstat (limited to 'arch/x86/lib/spl.c')
-rw-r--r-- | arch/x86/lib/spl.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c index 7623fc9ada0..1677f80b25c 100644 --- a/arch/x86/lib/spl.c +++ b/arch/x86/lib/spl.c @@ -5,11 +5,15 @@ #include <common.h> #include <debug_uart.h> +#include <dm.h> #include <malloc.h> #include <spl.h> +#include <syscon.h> #include <asm/cpu.h> +#include <asm/cpu_common.h> #include <asm/mrccache.h> #include <asm/mtrr.h> +#include <asm/pci.h> #include <asm/processor.h> #include <asm/spl.h> #include <asm-generic/sections.h> @@ -21,6 +25,32 @@ __weak int arch_cpu_init_dm(void) return 0; } +#ifdef CONFIG_TPL + +static int set_max_freq(void) +{ + if (cpu_get_burst_mode_state() == BURST_MODE_UNAVAILABLE) { + /* + * Burst Mode has been factory-configured as disabled and is not + * available in this physical processor package + */ + debug("Burst Mode is factory-disabled\n"); + return -ENOENT; + } + + /* Enable burst mode */ + cpu_set_burst_mode(true); + + /* Enable speed step */ + cpu_set_eist(true); + + /* Set P-State ratio */ + cpu_set_p_state_to_turbo_ratio(); + + return 0; +} +#endif + static int x86_spl_init(void) { #ifndef CONFIG_TPL @@ -31,10 +61,16 @@ static int x86_spl_init(void) * place it immediately below CONFIG_SYS_TEXT_BASE. */ char *ptr = (char *)0x110000; +#else + struct udevice *punit; #endif int ret; debug("%s starting\n", __func__); + if (IS_ENABLED(TPL)) + ret = x86_cpu_reinit_f(); + else + ret = x86_cpu_init_f(); ret = spl_init(); if (ret) { debug("%s: spl_init() failed\n", __func__); @@ -101,6 +137,14 @@ static int x86_spl_init(void) return ret; } mtrr_commit(true); +#else + ret = syscon_get_by_driver_data(X86_SYSCON_PUNIT, &punit); + if (ret) + debug("Could not find PUNIT (err=%d)\n", ret); + + ret = set_max_freq(); + if (ret) + debug("Failed to set CPU frequency (err=%d)\n", ret); #endif return 0; |