diff options
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/apollolake/fsp_bindings.c | 51 | ||||
| -rw-r--r-- | arch/x86/cpu/call32.S | 5 | ||||
| -rw-r--r-- | arch/x86/cpu/sipi_vector.S | 6 |
3 files changed, 56 insertions, 6 deletions
diff --git a/arch/x86/cpu/apollolake/fsp_bindings.c b/arch/x86/cpu/apollolake/fsp_bindings.c index 9130af9ce0..bbf04b5009 100644 --- a/arch/x86/cpu/apollolake/fsp_bindings.c +++ b/arch/x86/cpu/apollolake/fsp_bindings.c @@ -90,6 +90,28 @@ static void read_u32_prop(ofnode node, char *name, size_t count, u32 *dst) } /** + * read_u64_prop() - Read an u64 property from devicetree (scalar or array) + * @node: Valid node reference to read property from + * @name: Name of the property to read from + * @count: If the property is expected to be an array, this is the + * number of expected elements + * set to 0 if the property is expected to be a scalar + * @dst: Pointer to destination of where to save the value(s) read + * from devicetree + */ +static int read_u64_prop(ofnode node, char *name, size_t count, u64 *dst) +{ + if (count == 0) { + ofnode_read_u64(node, name, dst); + } else { + debug("ERROR: %s u64 arrays not supported!\n", __func__); + return -EINVAL; + } + + return 0; +} + +/** * read_string_prop() - Read a string property from devicetree * @node: Valid node reference to read property from * @name: Name of the property to read from @@ -206,6 +228,12 @@ static int fsp_update_config_from_dtb(ofnode node, u8 *cfg, read_u32_prop(node, fspb->propname, fspb->count, (u32 *)&cfg[fspb->offset]); break; + case FSP_UINT64: + ret = read_u64_prop(node, fspb->propname, fspb->count, + (u64 *)&cfg[fspb->offset]); + if (ret) + return ret; + break; case FSP_STRING: read_string_prop(node, fspb->propname, fspb->count, (char *)&cfg[fspb->offset]); @@ -605,6 +633,17 @@ const struct fsp_binding fsp_m_bindings[] = { .offset = offsetof(struct fsp_m_config, variable_nvs_buffer_ptr), .propname = "fspm,variable-nvs-buffer-ptr", }, { + .type = FSP_UINT64, + .offset = offsetof(struct fsp_m_config, start_timer_ticker_of_pfet_assert), + .propname = "fspm,start-timer-ticker-of-pfet-assert", + }, { + .type = FSP_UINT8, .offset = offsetof(struct fsp_m_config, rt_en), + .propname = "fspm,rt-en", + }, { + .type = FSP_UINT8, + .offset = offsetof(struct fsp_m_config, skip_pcie_power_sequence), + .propname = "fspm,skip-pcie-power-sequence", + }, { .propname = NULL } }; @@ -1794,6 +1833,18 @@ const struct fsp_binding fsp_s_bindings[] = { .count = ARRAY_SIZE_OF_MEMBER(struct fsp_s_config, port_usb20_hs_npre_drv_sel), }, { + .type = FSP_UINT8, + .offset = offsetof(struct fsp_s_config, os_selection), + .propname = "fsps,os-selection", + }, { + .type = FSP_UINT8, + .offset = offsetof(struct fsp_s_config, dptf_enabled), + .propname = "fsps,dptf-enabled", + }, { + .type = FSP_UINT8, + .offset = offsetof(struct fsp_s_config, pwm_enabled), + .propname = "fsps,pwm-enabled", + }, { .propname = NULL } }; diff --git a/arch/x86/cpu/call32.S b/arch/x86/cpu/call32.S index e185b9a42b..e641e781c0 100644 --- a/arch/x86/cpu/call32.S +++ b/arch/x86/cpu/call32.S @@ -32,8 +32,7 @@ cpu_call32: push %rdi /* 32-bit code segment */ lea compat(%rip), %rax push %rax - .byte 0x48 /* REX prefix to force 64-bit far return */ - retf + retfq .code32 compat: /* @@ -60,4 +59,4 @@ compat: /* Jump to the required target */ pushl %edi /* 32-bit code segment */ pushl %esi /* 32-bit target address */ - retf + retfl diff --git a/arch/x86/cpu/sipi_vector.S b/arch/x86/cpu/sipi_vector.S index 40cc27f1e1..fa1e6cb19a 100644 --- a/arch/x86/cpu/sipi_vector.S +++ b/arch/x86/cpu/sipi_vector.S @@ -131,12 +131,12 @@ ap_start: jnz microcode_done /* Determine if parallel microcode loading is allowed */ - cmp $0xffffffff, microcode_lock + cmpl $0xffffffff, microcode_lock je load_microcode /* Protect microcode loading */ lock_microcode: - lock bts $0, microcode_lock + lock btsl $0, microcode_lock jc lock_microcode load_microcode: @@ -154,7 +154,7 @@ load_microcode: popa /* Unconditionally unlock microcode loading */ - cmp $0xffffffff, microcode_lock + cmpl $0xffffffff, microcode_lock je microcode_done xor %eax, %eax |