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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,216 +1,3 @@ /** Moved to https://github.com/smx-smx/tools/tree/master/vl805 **/ -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,13 +1,20 @@ /** * @file vl805.c * @author Stefano Moioli <smxdev4@gmail.com> * @brief Abstract initialization flow for VL805 * @version 0.1 * @date 2024-07-07 * * @copyright Copyright (c) 2024 Stefano Moioli * This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ #include <stdint.h> #include <unistd.h> -
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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,209 @@ /** * @file abstract_init.c * @author Stefano Moioli <smxdev4@gmail.com> * @brief Abstract initialization flow for VL805 * @version 0.1 * @date 2024-07-07 * * @copyright Copyright (c) 2024 * */ #include <stdint.h> #include <unistd.h> #define IN #define OUT typedef intptr_t EFI_STATUS; typedef uint32_t UINT32; typedef uintptr_t UINTN; typedef void VOID; typedef enum { EfiPciIoWidthUint8 = 0, EfiPciIoWidthUint16, EfiPciIoWidthUint32, EfiPciIoWidthUint64, EfiPciIoWidthFifoUint8, EfiPciIoWidthFifoUint16, EfiPciIoWidthFifoUint32, EfiPciIoWidthFifoUint64, EfiPciIoWidthFillUint8, EfiPciIoWidthFillUint16, EfiPciIoWidthFillUint32, EfiPciIoWidthFillUint64, EfiPciIoWidthMaximum } EFI_PCI_IO_PROTOCOL_WIDTH; typedef EFI_STATUS (*pfnPciRead)( IN EFI_PCI_IO_PROTOCOL_WIDTH Width, IN UINT32 Offset, IN UINTN Count, IN OUT VOID *Buffer ); typedef EFI_STATUS (pfnPciWrite)( IN EFI_PCI_IO_PROTOCOL_WIDTH Width, IN UINT32 Offset, IN UINTN Count, IN OUT VOID *Buffer ); #define VIA_REG_FLAGS 0x43 #define VIA_REG_ADDR 0x78 #define VIA_REG_DATA 0x7C #define VIA_REG_CTRL 0x7E pfnPciRead pci_read; pfnPciWrite pci_write; uint8_t firmware[0x4000]; uint8_t memoryMap[0x18000]; static inline uint8_t via_readflags(){ uint8_t flags = 0; pci_read(EfiPciIoWidthUint8, VIA_REG_FLAGS, 1ULL, &flags); return flags; } static inline void via_writeflags(uint8_t flags){ pci_write(EfiPciIoWidthUint8, VIA_REG_FLAGS, 1ULL, &flags); } static inline void via_writecfg16(uint32_t addr, uint16_t data){ pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_write(EfiPciIoWidthUint16, VIA_REG_CTRL, 1, &data); } static inline void via_write8(uint32_t addr, uint8_t data){ pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_write(EfiPciIoWidthUint8, VIA_REG_DATA, 1, &data); } static inline void via_write16(uint32_t addr, uint16_t data){ pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_write(EfiPciIoWidthUint16, VIA_REG_DATA, 1, &data); } static inline void via_write32(uint32_t addr, uint32_t data){ pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_write(EfiPciIoWidthUint32, VIA_REG_DATA, 1, &data); } static inline uint8_t via_read8(uint32_t addr){ uint8_t v = 0; pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_read(EfiPciIoWidthUint8, VIA_REG_DATA, 1, &v); return v; } static inline uint16_t via_read16(uint32_t addr){ uint8_t v = 0; pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_read(EfiPciIoWidthUint16, VIA_REG_DATA, 1, &v); return v; } static inline uint32_t via_read32(uint32_t addr){ uint32_t v = 0; pci_write(EfiPciIoWidthUint32, VIA_REG_ADDR, 1, &addr); pci_read(EfiPciIoWidthUint32, VIA_REG_DATA, 1, &v); return v; } void leave_mfg_mode(){ uint8_t flags = via_readflags(); flags &= 1u; via_writeflags(flags); } void enter_mfg_mode(){ uint8_t flags = via_readflags(); flags |= 1u; via_writeflags(flags); } void firmware_write(){ uint8_t *pData; pData = firmware; for(int i=0; i<0x3000; i++, pData++){ via_write32(i + 0x52000, __builtin_bswap32(*pData)); } via_write8(0x51000, 0x4C); via_write8(0x51004, 0x80); usleep(15 * 200); } void firmware_verify(){ uint8_t *pData = firmware; for(int i=0; i<0x3000; i++, pData++){ uint32_t readBack = via_read32(0x52000 + i); if((uint8_t)readBack != *pData){ uint8_t readBack_byte; do { via_write8(0x51000, 0x48); via_write8(0x51004, 0); usleep(15 * 200); via_write32(0x52000 + i, __builtin_bswap32(*pData)); via_write8(0x51000, 0x4C); via_write8(0x51004, 0x80); usleep(15 * 200); readBack_byte = via_read8(0x52000 + i); } while(readBack_byte != *pData); } } via_write8(0x51000, 0x48); via_write8(0x51004, 0); } void set_chip_configuration(){ uint8_t flags8; uint16_t flags16; pci_read(EfiPciIoWidthUint8, 4, 1, &flags8); flags8 &= 0xF8; pci_write(EfiPciIoWidthUint8, 4, 1, &flags8); // must be page aligned uint32_t memAddr = (uintptr_t)&memoryMap >> 6; via_write32(0x30000, memAddr); flags8 = via_read8(0x30004); flags8 |= 1; via_write8(0x30004, flags8); flags16 = via_read16(0x30004); flags16 &= ~0x100; via_write16(0x30004, flags16); via_write32(0x3000C, 0x500); via_writecfg16(0x30008, flags16); flags16 = flags16 & 0x7FF | 0x1800; via_writecfg16(0x30008, flags16); flags8 = via_read8(0x30008); flags8 |= 1; via_write8(0x30008, flags8); } void init(){ uint8_t ident; uint16_t vid, pid; pci_read(EfiPciIoWidthUint8, 9u, 1ULL, &ident); if(ident != 48) return; pci_read(EfiPciIoWidthUint16, 0, 1ULL, &vid); pci_read(EfiPciIoWidthUint16, 2u, 1ULL, &pid); if(vid != 0x1106 || pid != 0x3483) return; // populate firmware enter_mfg_mode(); firmware_write(); firmware_verify(); set_chip_configuration(); leave_mfg_mode(); uint8_t flags8 = 7; pci_write(EfiPciIoWidthUint8, 4, 1, &flags8); pci_read(EfiPciIoWidthUint8, 4, 1, &flags8); usleep(15 * 2000); via_writeflags(1); via_read32(0x30008); via_writeflags(0); }