diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/intel/haswell/me_uma.asm | 153 | ||||
| -rw-r--r-- | src/northbridge/intel/haswell/me_uma.c | 94 |
2 files changed, 87 insertions, 160 deletions
diff --git a/src/northbridge/intel/haswell/me_uma.asm b/src/northbridge/intel/haswell/me_uma.asm index dbdc05ab96..550c31f939 100644 --- a/src/northbridge/intel/haswell/me_uma.asm +++ b/src/northbridge/intel/haswell/me_uma.asm @@ -1,160 +1,11 @@ global PchMeUmaDesc global gPchMeUmaPpiGuid -extern gEfiPeiStallPpiGuid -extern mrc_sku_type -extern gWdtPpiGuid extern get_uma_size extern fcn_fffbe070 extern fcn_fffbe14d - -global fcn_fffbe110 -global fcn_fffbdf70 - -fcn_fffbdf70: ; not directly referenced -push ebp -mov ebp, esp -push esi -push ebx -mov ebx, eax -lea esp, [esp - 0x20] -mov byte [ebp - 0x1c], dl -mov dword [ebp - 0xc], 0 -call mrc_sku_type -sub esp, 0xc -lea edx, [ebp - 0xc] -mov esi, eax -mov eax, dword [ebx] -push edx -push 0 -push 0 -push gWdtPpiGuid -push ebx -call dword [eax + 0x20] ; ucall -mov eax, dword [0xf00f80ac] -and eax, 0xffebffff -mov dword [0xf00f80ac], eax -mov edx, 0xcf9 -in al, dx -mov bl, al -mov cl, byte [ebp - 0x1c] -and ebx, 0xfffffff1 -add esp, 0x20 -cmp cl, 6 -jne short loc_fffbdfd2 ; jne 0xfffbdfd2 -mov ecx, dword [0xf00f8048] -and ecx, 0xfffffffe -jmp short loc_fffbdffc ; jmp 0xfffbdffc - -loc_fffbdfd2: ; not directly referenced -cmp cl, 2 -je short loc_fffbdfe8 ; je 0xfffbdfe8 -cmp cl, 6 -je short loc_fffbdffa ; je 0xfffbdffa -mov al, bl -or eax, 6 -dec cl -cmove ebx, eax -jmp short loc_fffbe059 ; jmp 0xfffbe059 - -loc_fffbdfe8: ; not directly referenced -sub esp, 0xc -mov eax, dword [ebp - 0xc] -push 2 -or ebx, 0xe -call dword [eax] ; ucall -add esp, 0x10 -jmp short loc_fffbe059 ; jmp 0xfffbe059 - -loc_fffbdffa: ; not directly referenced -xor ecx, ecx - -loc_fffbdffc: ; not directly referenced -cmp esi, 1 -jne short loc_fffbe021 ; jne 0xfffbe021 -mov edx, ecx -in eax, dx -or eax, 0x40000000 -out dx, eax -mov esi, ecx -lea edx, [esi + 4] -in eax, dx -and eax, 0xbfffffff -out dx, eax -lea edx, [esi + 0xc] -in eax, dx -and eax, 0xbfffffff -jmp short loc_fffbe03c ; jmp 0xfffbe03c - -loc_fffbe021: ; not directly referenced -cmp esi, 2 -jne short loc_fffbe03d ; jne 0xfffbe03d -lea edx, [ecx + 0x1f0] -in eax, dx -or eax, 1 -out dx, eax -in eax, dx -and eax, 0xfffffffb -out dx, eax -in eax, dx -and eax, 0x7fffffff - -loc_fffbe03c: ; not directly referenced -out dx, eax - -loc_fffbe03d: ; not directly referenced -lea edx, [ecx + 0x60] -in eax, dx -or eax, 0x40000000 -out dx, eax -mov eax, dword [0xf00f80ac] -or eax, 0x100000 -mov dword [0xf00f80ac], eax -or ebx, 0xe - -loc_fffbe059: ; not directly referenced -mov eax, dword [ebp - 0xc] -call dword [eax + 0xc] ; ucall -mov edx, 0xcf9 -mov al, bl -out dx, al -lea esp, [ebp - 8] -xor eax, eax -pop ebx -pop esi -pop ebp -ret - -fcn_fffbe110: ; not directly referenced -push ebp -mov ebp, esp -lea esp, [esp - 8] -mov ecx, dword [0xf00b0048] -mov dl, byte [ebp + 0x10] -mov eax, dword [ebp + 8] -cmp dl, 2 -je short loc_fffbe138 ; je 0xfffbe138 -cmp dl, 6 -je short loc_fffbe13f ; je 0xfffbe13f -dec dl -jne short loc_fffbe149 ; jne 0xfffbe149 -mov edx, 1 -jmp short loc_fffbe144 ; jmp 0xfffbe144 - -loc_fffbe138: ; not directly referenced -mov edx, 2 -jmp short loc_fffbe144 ; jmp 0xfffbe144 - -loc_fffbe13f: ; not directly referenced -mov edx, 6 - -loc_fffbe144: ; not directly referenced -call fcn_fffbdf70 ; call 0xfffbdf70 - -loc_fffbe149: ; not directly referenced -xor eax, eax -leave -ret +extern fcn_fffbe110 +extern fcn_fffbdf70 PchMeUmaDesc: dd 0x80000010 diff --git a/src/northbridge/intel/haswell/me_uma.c b/src/northbridge/intel/haswell/me_uma.c index 0528e5d4be..19cf744404 100644 --- a/src/northbridge/intel/haswell/me_uma.c +++ b/src/northbridge/intel/haswell/me_uma.c @@ -3,8 +3,16 @@ #include "mrc_pei.h" #include "mrc_utils.h" #include <console/console.h> +#include "mrc_sku.h" +#include "mrc_wdt.h" u32 get_uma_size(EFI_PEI_SERVICES **pps, void *me); +int fcn_fffbe070(const EFI_PEI_SERVICES **pps, void *me, u8 *a2); +int fcn_fffbe110(const EFI_PEI_SERVICES **pps, u32, u8); +int fcn_fffbe14d(const EFI_PEI_SERVICES **pps, void *me, int a3, u32 a4); +int __attribute((regparm(2))) +fcn_fffbdf70(const EFI_PEI_SERVICES **pps, int v); + u32 get_uma_size(EFI_PEI_SERVICES **pps, void *me) { int i = 0; @@ -39,11 +47,7 @@ u32 get_uma_size(EFI_PEI_SERVICES **pps, void *me) } } -int __attribute((regparm(2))) -fcn_fffbdf70(EFI_PEI_SERVICES **pps, int v); - -int fcn_fffbe070(EFI_PEI_SERVICES **pps, void *me, u8 *a2); -int fcn_fffbe070(EFI_PEI_SERVICES **pps, void *me, u8 *a2) +int fcn_fffbe070(const EFI_PEI_SERVICES **pps, void *me, u8 *a2) { int i = 0; int ret = 0; @@ -72,10 +76,7 @@ int fcn_fffbe070(EFI_PEI_SERVICES **pps, void *me, u8 *a2) return ret; } -int fcn_fffbe110(EFI_PEI_SERVICES **pps, u32, u32); - -int fcn_fffbe14d(EFI_PEI_SERVICES **pps, void *me, int a3, u32 a4); -int fcn_fffbe14d(EFI_PEI_SERVICES **pps, void *me, int a3, u32 a4) +int fcn_fffbe14d(const EFI_PEI_SERVICES **pps, void *me, int a3, u32 a4) { u32 hfs = pci_read_config32(PCH_ME_DEV, 0x40); @@ -109,3 +110,78 @@ int fcn_fffbe14d(EFI_PEI_SERVICES **pps, void *me, int a3, u32 a4) } return fcn_fffbe110(pps, a3, ((hfs >> 25) & 7)); } + +int fcn_fffbe110(const EFI_PEI_SERVICES **pps, u32 me, u8 a3) +{ + pci_read_config32(PCH_ME_DEV, 0x48); + int v; + + if (a3 == 2) { + v = 2; + } else if (a3 == 6) { + v = 6; + } else if (a3 == 1) { + v = 1; + } else { + return 0; + } + fcn_fffbdf70(pps, v); + return 0; +} + +extern EFI_GUID gWdtPpiGuid; +int __attribute((regparm(2))) fcn_fffbdf70(const EFI_PEI_SERVICES **pps, int v) +{ + PEI_WDT_PPI *wdt = NULL; + (*pps)->LocatePpi(pps, &gWdtPpiGuid, 0, NULL, (void**)&wdt); + int sku = mrc_sku_type(); + pci_update_config32(PCH_LPC_DEV, 0xac, 0xffebffff, 0); + u8 io_cf9 = inb(0xcf9) & 0xf1; + + if (v == 6) { + u32 gpiobase = pci_read_config32(PCH_LPC_DEV, 0x48) & 0xfffffffe; + /* GPIO Pin 30 used as GPIO, as output, level low */ + u32 tmp; + if (sku == 1) { + tmp = inl(gpiobase); + tmp |= 0x40000000; + outl(tmp, gpiobase); + + tmp = inl(gpiobase + 4); + tmp &= 0xbfffffff; + outl(tmp, gpiobase + 4); + + tmp = inl(gpiobase + 0xc); + tmp &= 0xbfffffff; + outl(tmp, gpiobase + 0xc); + } else if (sku == 2) { + u32 gpio30 = gpiobase + 0x1f0; + + tmp = inl(gpio30); + tmp |= 1; + outl(tmp, gpio30); + + tmp = inl(gpio30); + tmp &= 0xfffffffb; + outl(tmp, gpio30); + + tmp = inl(gpio30); + tmp &= 0x7fffffff; + outl(tmp, gpio30); + } + tmp = inl(gpiobase + 0x60); + tmp |= 0x40000000; /* GPIO30 will be reset by RSMRST# assertion only */ + outl(tmp, gpiobase + 0x60); + + pci_or_config32(PCH_LPC_DEV, 0xac, 0x100000); + io_cf9 |= 0xe; + } else if (v == 2) { + wdt->wdt_f0(2); + io_cf9 |= 0xe; + } else if (v == 1) { + io_cf9 |= 6; + } + wdt->wdt_f3(); + outb(io_cf9, 0xcf9); + return 0; +} |