diff options
author | Aun-Ali Zaidi <admin@kodeit.net> | 2015-12-10 18:29:55 -0600 |
---|---|---|
committer | Gedare Bloom <gedare@rtems.org> | 2015-12-11 09:20:34 -0500 |
commit | 32c2cd2be1067ebe32cdabccbc8aa16126ae3a32 (patch) | |
tree | 7c4e2f70630f4849308cf2cfe22a796098188e54 /c/src/lib/libbsp/arm/nds/libnds/source/common/card.c | |
parent | score: Untangle thread actions (diff) | |
download | rtems-32c2cd2be1067ebe32cdabccbc8aa16126ae3a32.tar.bz2 |
arm/nds: Remove
updates #2450.
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/arm/nds/libnds/source/common/card.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c b/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c deleted file mode 100644 index 523bb6ca68..0000000000 --- a/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c +++ /dev/null @@ -1,393 +0,0 @@ -/*--------------------------------------------------------------------------------- - Copyright (C) 2005 - Michael Noland (joat) - Jason Rogers (dovoto) - Dave Murphy (WinterMute) - - 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 "nds/card.h" -#include "nds/dma.h" -#include "nds/memory.h" - - -//--------------------------------------------------------------------------------- -void cardWriteCommand(const uint8 * command) { -//--------------------------------------------------------------------------------- - int index; - - CARD_CR1H = CARD_CR1_ENABLE | CARD_CR1_IRQ; - - for (index = 0; index < 8; index++) { - CARD_COMMAND[7-index] = command[index]; - } -} - - -//--------------------------------------------------------------------------------- -void cardPolledTransfer(uint32 flags, uint32 * destination, uint32 length, const uint8 * command) { -//--------------------------------------------------------------------------------- - u32 data; - cardWriteCommand(command); - CARD_CR2 = flags; - uint32 * target = destination + length; - do { - // Read data if available - if (CARD_CR2 & CARD_DATA_READY) { - data=CARD_DATA_RD; - if (destination < target) - *destination = data; - destination++; - } - } while (CARD_CR2 & CARD_BUSY); -} - - -//--------------------------------------------------------------------------------- -void cardStartTransfer(const uint8 * command, uint32 * destination, int channel, uint32 flags) { -//--------------------------------------------------------------------------------- - cardWriteCommand(command); - - // Set up a DMA channel to transfer a word every time the card makes one - DMA_SRC(channel) = (uint32)&CARD_DATA_RD; - DMA_DEST(channel) = (uint32)destination; - DMA_CR(channel) = DMA_ENABLE | DMA_START_CARD | DMA_32_BIT | DMA_REPEAT | DMA_SRC_FIX | 0x0001; - - CARD_CR2 = flags; -} - - -//--------------------------------------------------------------------------------- -uint32 cardWriteAndRead(const uint8 * command, uint32 flags) { -//--------------------------------------------------------------------------------- - cardWriteCommand(command); - CARD_CR2 = flags | CARD_ACTIVATE | CARD_nRESET | 0x07000000; - while (!(CARD_CR2 & CARD_DATA_READY)) ; - return CARD_DATA_RD; -} - - -//--------------------------------------------------------------------------------- -void cardRead00(uint32 address, uint32 * destination, uint32 length, uint32 flags) { -//---------------------------------------------------------------------------------f - uint8 command[8]; - command[7] = 0; - command[6] = (address >> 24) & 0xff; - command[5] = (address >> 16) & 0xff; - command[4] = (address >> 8) & 0xff; - command[3] = address & 0xff; - command[2] = 0; - command[1] = 0; - command[0] = 0; - cardPolledTransfer(flags, destination, length, command); -} - - -//--------------------------------------------------------------------------------- -void cardReadHeader(uint8 * header) { -//--------------------------------------------------------------------------------- - cardRead00(0, (uint32 *)header, 512, 0xA93F1FFF); -} - - -//--------------------------------------------------------------------------------- -int cardReadID(uint32 flags) { -//--------------------------------------------------------------------------------- - uint8 command[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90}; - return cardWriteAndRead(command, flags); -} - - -//--------------------------------------------------------------------------------- -static inline void EepromWaitBusy(void) { -//--------------------------------------------------------------------------------- - while (CARD_CR1 & /*BUSY*/0x80); -} - -//--------------------------------------------------------------------------------- -uint8 cardEepromReadID(uint8 i) { -//--------------------------------------------------------------------------------- - return cardEepromCommand(/*READID*/0xAB, i&1); -} - -//--------------------------------------------------------------------------------- -uint8 cardEepromCommand(uint8 command, uint32 address) { -//--------------------------------------------------------------------------------- - uint8 retval; - int k; - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - - CARD_CR1 = 0xFFFF; - CARD_EEPDATA = command; - - EepromWaitBusy(); - - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - - CARD_EEPDATA = (address) & 0xFF; - EepromWaitBusy(); - - for(k=0;k<256;k++) - { - retval = CARD_EEPDATA; - if(retval!=0xFF) - break; - EepromWaitBusy(); - } - - CARD_CR1 = /*MODE*/0x40; - return retval; -} - -//--------------------------------------------------------------------------------- -int cardEepromGetType(void) -//--------------------------------------------------------------------------------- -{ - uint8 c00; - uint8 c05; - uint8 c9f; - uint8 c03; - -#ifdef ARM9 - sysSetBusOwners(BUS_OWNER_ARM9, BUS_OWNER_ARM9); -#endif - - (void) c03; /* avoid set but not used warning */ - c03=cardEepromCommand(0x03,0); - c05=cardEepromCommand(0x05,0); - c9f=cardEepromCommand(0x9f,0); - c00=cardEepromCommand(0x00,0); - - if((c00==0x00) && (c9f==0x00)) return 0; // PassMe? - if((c00==0xff) && (c05==0xff) && (c9f==0xff))return -1; - - if((c00==0xff) && (c05 & 0xFD) == 0xF0 && (c9f==0xff))return 1; - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0xff))return 2; - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x00))return 3; - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x12))return 3; // NEW TYPE 3 - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x13))return 3; // NEW TYPE 3+ 4Mbit - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x14))return 3; // NEW TYPE 3++ 8Mbit MK4-FLASH Memory - - return 0; -} - -//--------------------------------------------------------------------------------- -uint32 cardEepromGetSize() { -//--------------------------------------------------------------------------------- - - int type = cardEepromGetType(); - - if(type == -1) - return 0; - if(type == 0) - return 8192; - if(type == 1) - return 512; - if(type == 2) { - static const uint32 offset0 = (8*1024-1); // 8KB - static const uint32 offset1 = (2*8*1024-1); // 16KB - u8 buf1; // +0k data read -> write - u8 buf2; // +8k data read -> read - u8 buf3; // +0k ~data write - u8 buf4; // +8k data new comp buf2 - cardReadEeprom(offset0,&buf1,1,type); - cardReadEeprom(offset1,&buf2,1,type); - buf3=~buf1; - cardWriteEeprom(offset0,&buf3,1,type); - cardReadEeprom (offset1,&buf4,1,type); - cardWriteEeprom(offset0,&buf1,1,type); - if(buf4!=buf2) // +8k - return 8*1024; // 8KB(64kbit) - else - return 64*1024; // 64KB(512kbit) - } - if(type == 3) { - uint8 c9f; - c9f=cardEepromCommand(0x9f,0); - - if(c9f==0x14) - return 1024*1024; // NEW TYPE 3++ 8Mbit(1024KByte) - - if(c9f==0x13) - return 512*1024; // NEW TYPE 3+ 4Mbit(512KByte) - - return 256*1024; // TYPE 3 2Mbit(256KByte) - } - - return 0; -} - - -//--------------------------------------------------------------------------------- -void cardReadEeprom(uint32 address, uint8 *data, uint32 length, uint32 addrtype) { -//--------------------------------------------------------------------------------- - - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x03 | ((addrtype == 1) ? address>>8<<3 : 0); - EepromWaitBusy(); - - if (addrtype == 3) { - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - } - - if (addrtype >= 2) { - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - } - - - CARD_EEPDATA = (address) & 0xFF; - EepromWaitBusy(); - - while (length > 0) { - CARD_EEPDATA = 0; - EepromWaitBusy(); - *data++ = CARD_EEPDATA; - length--; - } - - EepromWaitBusy(); - CARD_CR1 = /*MODE*/0x40; -} - - -//--------------------------------------------------------------------------------- -void cardWriteEeprom(uint32 address, uint8 *data, uint32 length, uint32 addrtype) { -//--------------------------------------------------------------------------------- - - uint32 address_end = address + length; - int i; - int maxblocks = 32; - if(addrtype == 1) maxblocks = 16; - if(addrtype == 2) maxblocks = 32; - if(addrtype == 3) maxblocks = 256; - - while (address < address_end) { - // set WEL (Write Enable Latch) - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x06; EepromWaitBusy(); - CARD_CR1 = /*MODE*/0x40; - - // program maximum of 32 bytes - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - - if(addrtype == 1) { - // WRITE COMMAND 0x02 + A8 << 3 - CARD_EEPDATA = 0x02 | (address & BIT(8)) >> (8-3) ; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - } - else if(addrtype == 2) { - CARD_EEPDATA = 0x02; - EepromWaitBusy(); - CARD_EEPDATA = address >> 8; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - } - else if(addrtype == 3) { - CARD_EEPDATA = 0x02; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - } - - for (i=0; address<address_end && i<maxblocks; i++, address++) { - CARD_EEPDATA = *data++; - EepromWaitBusy(); - } - CARD_CR1 = /*MODE*/0x40; - - // wait programming to finish - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x05; EepromWaitBusy(); - do { CARD_EEPDATA = 0; EepromWaitBusy(); } while (CARD_EEPDATA & 0x01); // WIP (Write In Progress) ? - EepromWaitBusy(); - CARD_CR1 = /*MODE*/0x40; - } -} - - -// Chip Erase : clear FLASH MEMORY (TYPE 3 ONLY) -//--------------------------------------------------------------------------------- -void cardEepromChipErase(void) { -//--------------------------------------------------------------------------------- - int sz; - sz=cardEepromGetSize(); - cardEepromSectorErase(0x00000); - cardEepromSectorErase(0x10000); - cardEepromSectorErase(0x20000); - cardEepromSectorErase(0x30000); - if(sz==512*1024) - { - cardEepromSectorErase(0x40000); - cardEepromSectorErase(0x50000); - cardEepromSectorErase(0x60000); - cardEepromSectorErase(0x70000); - } -} - -// COMMAND Sec.erase 0xD8 -void cardEepromSectorErase(uint32 address) -{ - // set WEL (Write Enable Latch) - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x06; - EepromWaitBusy(); - - CARD_CR1 = /*MODE*/0x40; - - // SectorErase 0xD8 - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0xD8; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - - CARD_CR1 = /*MODE*/0x40; - - // wait erase to finish - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x05; - EepromWaitBusy(); - - do - { - CARD_EEPDATA = 0; - EepromWaitBusy(); - } while (CARD_EEPDATA & 0x01); // WIP (Write In Progress) ? - CARD_CR1 = /*MODE*/0x40; -} - - |