* Patch by Travis Sawyer, 26 Feb 2004:
Fix broken compile for XPEDITE1K target. * Patch by Stephan Linz, 26 Feb 2004: Bug fix for NFS code on NIOS targets * Patch by Stephen Williams, 26 Feb 2004: Break up SystemACE reads of large block counts
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@ -2,6 +2,15 @@
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Changes for U-Boot 1.0.2:
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======================================================================
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* Patch by Travis Sawyer, 26 Feb 2004:
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Fix broken compile for XPEDITE1K target.
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* Patch by Stephan Linz, 26 Feb 2004:
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Bug fix for NFS code on NIOS targets
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* Patch by Stephen Williams, 26 Feb 2004:
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Break up SystemACE reads of large block counts
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* Patch by Pierre Aubert, 26 Feb 2004
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add IDE support for MPC5200
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@ -121,6 +121,7 @@ static unsigned long systemace_read(int dev,
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{
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unsigned val;
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int retry;
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unsigned blk_countdown;
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unsigned char*dp = (unsigned char*)buffer;
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if (get_cf_lock() < 0) {
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@ -136,6 +137,10 @@ static unsigned long systemace_read(int dev,
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return 0;
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}
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#ifdef DEBUG_SYSTEMACE
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printf("... systemace read %lu sectors at %lu\n", blkcnt, start);
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#endif
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retry = 2000;
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for (;;) {
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unsigned val = ace_readw(0x04);
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@ -161,34 +166,55 @@ static unsigned long systemace_read(int dev,
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retry -= 1;
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}
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/* Write LBA block address */
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ace_writew(start & 0xffff, 0x10);
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start >>= 16;
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ace_writew(start & 0xff, 0x12);
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/* The SystemACE can only transfer 256 sectors at a time, so
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limit the current chunk of sectors. The blk_countdown
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variable is the number of sectors left to transfer. */
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/* Write sector count | ReadMemCardData. */
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ace_writew(blkcnt | 0x0300, 0x14);
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blk_countdown = blkcnt;
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while (blk_countdown > 0) {
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unsigned trans = blk_countdown;
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/* CONTROLREG = CFGRESET|LOCKREQ */
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ace_writew(0x0082, 0x18);
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if (trans > 256) trans = 256;
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retry = blkcnt * 16;
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while (retry > 0) {
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int idx;
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#ifdef DEBUG_SYSTEMACE
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printf("... transfer %lu sector in a chunk\n", trans);
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#endif
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/* Write LBA block address */
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ace_writew((start>> 0) & 0xffff, 0x10);
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ace_writew((start>>16) & 0x00ff, 0x12);
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/* Wait for buffer to become ready. */
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while (! (ace_readw(0x04) & 0x0020)) {
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udelay(1000);
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/* NOTE: in the Write Sector count below, a count of 0
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causes a transfer of 256, so &0xff gives the right
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value for whatever transfer count we want. */
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/* Write sector count | ReadMemCardData. */
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ace_writew((trans&0xff) | 0x0300, 0x14);
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/* CONTROLREG = CFGRESET|LOCKREQ */
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ace_writew(0x0082, 0x18);
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retry = trans * 16;
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while (retry > 0) {
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int idx;
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/* Wait for buffer to become ready. */
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while (! (ace_readw(0x04) & 0x0020)) {
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udelay(1000);
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}
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/* Read 16 words of 2bytes from the sector buffer. */
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for (idx = 0 ; idx < 16 ; idx += 1) {
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unsigned short val = ace_readw(0x40);
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*dp++ = val & 0xff;
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*dp++ = (val>>8) & 0xff;
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}
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retry -= 1;
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}
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/* Read 16 words of 2bytes from the sector buffer. */
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for (idx = 0 ; idx < 16 ; idx += 1) {
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unsigned short val = ace_readw(0x40);
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*dp++ = val & 0xff;
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*dp++ = (val>>8) & 0xff;
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}
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retry -= 1;
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/* Count the blocks we transfer this time. */
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start += trans;
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blk_countdown -= trans;
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}
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release_cf_lock();
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@ -466,6 +466,7 @@
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CFG_CMD_JFFS2 | \
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CFG_CMD_KGDB | \
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CFG_CMD_NAND | \
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CFG_CMD_NFS | \
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CFG_CMD_MMC | \
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CFG_CMD_MII | \
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CFG_CMD_PCI | \
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@ -476,6 +476,7 @@
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CFG_CMD_JFFS2 | \
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CFG_CMD_KGDB | \
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CFG_CMD_NAND | \
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CFG_CMD_NFS | \
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CFG_CMD_MMC | \
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CFG_CMD_MII | \
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CFG_CMD_PCI | \
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@ -85,6 +85,8 @@ extern void out32(unsigned int, unsigned long);
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/*-----------------------------------------------------------------------
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* Initial RAM & stack pointer (placed in internal SRAM)
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*----------------------------------------------------------------------*/
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#define CFG_TEMP_STACK_OCM 1
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#define CFG_OCM_DATA_ADDR CFG_ISRAM_BASE
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#define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */
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#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */
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@ -160,7 +162,7 @@ extern void out32(unsigned int, unsigned long);
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#define CONFIG_BOOTARGS "root=/dev/hda1 "
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#define CONFIG_BOOTCOMMAND "bootm ffc00000" /* autoboot command */
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#define CONFIG_BOOTDELAY -1 /* disable autoboot */
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#define CONFIG_BOOTDELAY 5 /* disable autoboot */
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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