diff options
author | Simon Glass <sjg@chromium.org> | 2017-05-17 03:25:30 -0600 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2017-05-22 12:45:27 -0400 |
commit | fc843a02acad62e231a3e779cebd1712688146fc (patch) | |
tree | b2811ec28b2378f0b471d3173e59768834d41929 /common | |
parent | 75eb9976b78ace0e667c1f5faf367acfaed141df (diff) | |
download | u-boot-fc843a02acad62e231a3e779cebd1712688146fc.zip u-boot-fc843a02acad62e231a3e779cebd1712688146fc.tar.gz u-boot-fc843a02acad62e231a3e779cebd1712688146fc.tar.bz2 |
Kconfig: Add a CONFIG_IDE option
At present IDE support is controlled by CONFIG_CMD_IDE. Add a separate
CONFIG_IDE option so that IDE support can be enabled without requiring
the 'ide' command.
Update existing users and move the ide driver into drivers/block since
it should not be in common/.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
-rw-r--r-- | common/Makefile | 1 | ||||
-rw-r--r-- | common/board_r.c | 10 | ||||
-rw-r--r-- | common/ide.c | 1231 |
3 files changed, 4 insertions, 1238 deletions
diff --git a/common/Makefile b/common/Makefile index b2d6635..c7c8ea4 100644 --- a/common/Makefile +++ b/common/Makefile @@ -145,7 +145,6 @@ obj-y += dlmalloc.o ifdef CONFIG_SYS_MALLOC_F_LEN obj-y += malloc_simple.o endif -obj-$(CONFIG_CMD_IDE) += ide.o obj-y += image.o obj-$(CONFIG_ANDROID_BOOT_IMAGE) += image-android.o obj-$(CONFIG_$(SPL_)OF_LIBFDT) += image-fdt.o diff --git a/common/board_r.c b/common/board_r.c index 28f32c3..fe7a70b 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -23,9 +23,7 @@ #include <dm.h> #include <environment.h> #include <fdtdec.h> -#if defined(CONFIG_CMD_IDE) #include <ide.h> -#endif #include <initcall.h> #include <init_helpers.h> #ifdef CONFIG_PS2KBD @@ -611,7 +609,7 @@ static int initr_post(void) } #endif -#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) +#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) static int initr_pcmcia(void) { puts("PCMCIA:"); @@ -620,7 +618,7 @@ static int initr_pcmcia(void) } #endif -#if defined(CONFIG_CMD_IDE) +#if defined(CONFIG_IDE) static int initr_ide(void) { #ifdef CONFIG_IDE_8xx_PCCARD @@ -870,10 +868,10 @@ static init_fnc_t init_sequence_r[] = { #ifdef CONFIG_POST initr_post, #endif -#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) +#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) initr_pcmcia, #endif -#if defined(CONFIG_CMD_IDE) +#if defined(CONFIG_IDE) initr_ide, #endif #ifdef CONFIG_LAST_STAGE_INIT diff --git a/common/ide.c b/common/ide.c deleted file mode 100644 index ac5b91c..0000000 --- a/common/ide.c +++ /dev/null @@ -1,1231 +0,0 @@ -/* - * (C) Copyright 2000-2011 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <ata.h> -#include <dm.h> -#include <ide.h> -#include <watchdog.h> -#include <asm/io.h> - -#ifdef __PPC__ -# define EIEIO __asm__ volatile ("eieio") -# define SYNC __asm__ volatile ("sync") -#else -# define EIEIO /* nothing */ -# define SYNC /* nothing */ -#endif - -/* Current offset for IDE0 / IDE1 bus access */ -ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = { -#if defined(CONFIG_SYS_ATA_IDE0_OFFSET) - CONFIG_SYS_ATA_IDE0_OFFSET, -#endif -#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1) - CONFIG_SYS_ATA_IDE1_OFFSET, -#endif -}; - -static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS]; - -struct blk_desc ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE]; - -#define IDE_TIME_OUT 2000 /* 2 sec timeout */ - -#define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ - -#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ - -#ifndef CONFIG_SYS_ATA_PORT_ADDR -#define CONFIG_SYS_ATA_PORT_ADDR(port) (port) -#endif - -#ifndef CONFIG_IDE_LED /* define LED macros, they are not used anyways */ -# define DEVICE_LED(x) 0 -# define LED_IDE1 1 -# define LED_IDE2 2 -#endif - -#ifdef CONFIG_IDE_RESET -extern void ide_set_reset(int idereset); - -static void ide_reset(void) -{ - int i; - - for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i) - ide_bus_ok[i] = 0; - for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) - ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; - - ide_set_reset(1); /* assert reset */ - - /* the reset signal shall be asserted for et least 25 us */ - udelay(25); - - WATCHDOG_RESET(); - - /* de-assert RESET signal */ - ide_set_reset(0); - - /* wait 250 ms */ - for (i = 0; i < 250; ++i) - udelay(1000); -} -#else -#define ide_reset() /* dummy */ -#endif /* CONFIG_IDE_RESET */ - -/* - * Wait until Busy bit is off, or timeout (in ms) - * Return last status - */ -static uchar ide_wait(int dev, ulong t) -{ - ulong delay = 10 * t; /* poll every 100 us */ - uchar c; - - while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { - udelay(100); - if (delay-- == 0) - break; - } - return c; -} - -/* - * copy src to dest, skipping leading and trailing blanks and null - * terminate the string - * "len" is the size of available memory including the terminating '\0' - */ -static void ident_cpy(unsigned char *dst, unsigned char *src, - unsigned int len) -{ - unsigned char *end, *last; - - last = dst; - end = src + len - 1; - - /* reserve space for '\0' */ - if (len < 2) - goto OUT; - - /* skip leading white space */ - while ((*src) && (src < end) && (*src == ' ')) - ++src; - - /* copy string, omitting trailing white space */ - while ((*src) && (src < end)) { - *dst++ = *src; - if (*src++ != ' ') - last = dst; - } -OUT: - *last = '\0'; -} - -#ifdef CONFIG_ATAPI -/**************************************************************************** - * ATAPI Support - */ - -#if defined(CONFIG_IDE_SWAP_IO) -/* since ATAPI may use commands with not 4 bytes alligned length - * we have our own transfer functions, 2 bytes alligned */ -__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) -{ - ushort *dbuf; - volatile ushort *pbuf; - - pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG); - dbuf = (ushort *)sect_buf; - - debug("in output data shorts base for read is %lx\n", - (unsigned long) pbuf); - - while (shorts--) { - EIEIO; - *pbuf = *dbuf++; - } -} - -__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) -{ - ushort *dbuf; - volatile ushort *pbuf; - - pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG); - dbuf = (ushort *)sect_buf; - - debug("in input data shorts base for read is %lx\n", - (unsigned long) pbuf); - - while (shorts--) { - EIEIO; - *dbuf++ = *pbuf; - } -} - -#else /* ! CONFIG_IDE_SWAP_IO */ -__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) -{ - outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); -} - -__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) -{ - insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); -} - -#endif /* CONFIG_IDE_SWAP_IO */ - -/* - * Wait until (Status & mask) == res, or timeout (in ms) - * Return last status - * This is used since some ATAPI CD ROMs clears their Busy Bit first - * and then they set their DRQ Bit - */ -static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res) -{ - ulong delay = 10 * t; /* poll every 100 us */ - uchar c; - - /* prevents to read the status before valid */ - c = ide_inb(dev, ATA_DEV_CTL); - - while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { - /* break if error occurs (doesn't make sense to wait more) */ - if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) - break; - udelay(100); - if (delay-- == 0) - break; - } - return c; -} - -/* - * issue an atapi command - */ -unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, - unsigned char *buffer, int buflen) -{ - unsigned char c, err, mask, res; - int n; - - ide_led(DEVICE_LED(device), 1); /* LED on */ - - /* Select device - */ - mask = ATA_STAT_BUSY | ATA_STAT_DRQ; - res = 0; - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); - if ((c & mask) != res) { - printf("ATAPI_ISSUE: device %d not ready status %X\n", device, - c); - err = 0xFF; - goto AI_OUT; - } - /* write taskfile */ - ide_outb(device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ - ide_outb(device, ATA_SECT_CNT, 0); - ide_outb(device, ATA_SECT_NUM, 0); - ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF)); - ide_outb(device, ATA_CYL_HIGH, - (unsigned char) ((buflen >> 8) & 0xFF)); - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - - ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET); - udelay(50); - - mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; - res = ATA_STAT_DRQ; - c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); - - if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ - printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n", - device, c); - err = 0xFF; - goto AI_OUT; - } - - /* write command block */ - ide_output_data_shorts(device, (unsigned short *)ccb, ccblen / 2); - - /* ATAPI Command written wait for completition */ - udelay(5000); /* device must set bsy */ - - mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; - /* - * if no data wait for DRQ = 0 BSY = 0 - * if data wait for DRQ = 1 BSY = 0 - */ - res = 0; - if (buflen) - res = ATA_STAT_DRQ; - c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); - if ((c & mask) != res) { - if (c & ATA_STAT_ERR) { - err = (ide_inb(device, ATA_ERROR_REG)) >> 4; - debug("atapi_issue 1 returned sense key %X status %02X\n", - err, c); - } else { - printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", - ccb[0], c); - err = 0xFF; - } - goto AI_OUT; - } - n = ide_inb(device, ATA_CYL_HIGH); - n <<= 8; - n += ide_inb(device, ATA_CYL_LOW); - if (n > buflen) { - printf("ERROR, transfer bytes %d requested only %d\n", n, - buflen); - err = 0xff; - goto AI_OUT; - } - if ((n == 0) && (buflen < 0)) { - printf("ERROR, transfer bytes %d requested %d\n", n, buflen); - err = 0xff; - goto AI_OUT; - } - if (n != buflen) { - debug("WARNING, transfer bytes %d not equal with requested %d\n", - n, buflen); - } - if (n != 0) { /* data transfer */ - debug("ATAPI_ISSUE: %d Bytes to transfer\n", n); - /* we transfer shorts */ - n >>= 1; - /* ok now decide if it is an in or output */ - if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) { - debug("Write to device\n"); - ide_output_data_shorts(device, (unsigned short *)buffer, - n); - } else { - debug("Read from device @ %p shorts %d\n", buffer, n); - ide_input_data_shorts(device, (unsigned short *)buffer, - n); - } - } - udelay(5000); /* seems that some CD ROMs need this... */ - mask = ATA_STAT_BUSY | ATA_STAT_ERR; - res = 0; - c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); - if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { - err = (ide_inb(device, ATA_ERROR_REG) >> 4); - debug("atapi_issue 2 returned sense key %X status %X\n", err, - c); - } else { - err = 0; - } -AI_OUT: - ide_led(DEVICE_LED(device), 0); /* LED off */ - return err; -} - -/* - * sending the command to atapi_issue. If an status other than good - * returns, an request_sense will be issued - */ - -#define ATAPI_DRIVE_NOT_READY 100 -#define ATAPI_UNIT_ATTN 10 - -unsigned char atapi_issue_autoreq(int device, - unsigned char *ccb, - int ccblen, - unsigned char *buffer, int buflen) -{ - unsigned char sense_data[18], sense_ccb[12]; - unsigned char res, key, asc, ascq; - int notready, unitattn; - - unitattn = ATAPI_UNIT_ATTN; - notready = ATAPI_DRIVE_NOT_READY; - -retry: - res = atapi_issue(device, ccb, ccblen, buffer, buflen); - if (res == 0) - return 0; /* Ok */ - - if (res == 0xFF) - return 0xFF; /* error */ - - debug("(auto_req)atapi_issue returned sense key %X\n", res); - - memset(sense_ccb, 0, sizeof(sense_ccb)); - memset(sense_data, 0, sizeof(sense_data)); - sense_ccb[0] = ATAPI_CMD_REQ_SENSE; - sense_ccb[4] = 18; /* allocation Length */ - - res = atapi_issue(device, sense_ccb, 12, sense_data, 18); - key = (sense_data[2] & 0xF); - asc = (sense_data[12]); - ascq = (sense_data[13]); - - debug("ATAPI_CMD_REQ_SENSE returned %x\n", res); - debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", - sense_data[0], key, asc, ascq); - - if ((key == 0)) - return 0; /* ok device ready */ - - if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */ - if (unitattn-- > 0) { - udelay(200 * 1000); - goto retry; - } - printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN); - goto error; - } - if ((asc == 0x4) && (ascq == 0x1)) { - /* not ready, but will be ready soon */ - if (notready-- > 0) { - udelay(200 * 1000); - goto retry; - } - printf("Drive not ready, tried %d times\n", - ATAPI_DRIVE_NOT_READY); - goto error; - } - if (asc == 0x3a) { - debug("Media not present\n"); - goto error; - } - - printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc, - ascq); -error: - debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq); - return 0xFF; -} - -/* - * atapi_read: - * we transfer only one block per command, since the multiple DRQ per - * command is not yet implemented - */ -#define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ -#define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ -#define ATAPI_READ_MAX_BLOCK (ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE) - -ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, - void *buffer) -{ - int device = block_dev->devnum; - ulong n = 0; - unsigned char ccb[12]; /* Command descriptor block */ - ulong cnt; - - debug("atapi_read dev %d start " LBAF " blocks " LBAF - " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer); - - do { - if (blkcnt > ATAPI_READ_MAX_BLOCK) - cnt = ATAPI_READ_MAX_BLOCK; - else - cnt = blkcnt; - - ccb[0] = ATAPI_CMD_READ_12; - ccb[1] = 0; /* reserved */ - ccb[2] = (unsigned char) (blknr >> 24) & 0xFF; /* MSB Block */ - ccb[3] = (unsigned char) (blknr >> 16) & 0xFF; /* */ - ccb[4] = (unsigned char) (blknr >> 8) & 0xFF; - ccb[5] = (unsigned char) blknr & 0xFF; /* LSB Block */ - ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */ - ccb[7] = (unsigned char) (cnt >> 16) & 0xFF; - ccb[8] = (unsigned char) (cnt >> 8) & 0xFF; - ccb[9] = (unsigned char) cnt & 0xFF; /* LSB Block */ - ccb[10] = 0; /* reserved */ - ccb[11] = 0; /* reserved */ - - if (atapi_issue_autoreq(device, ccb, 12, - (unsigned char *)buffer, - cnt * ATAPI_READ_BLOCK_SIZE) - == 0xFF) { - return n; - } - n += cnt; - blkcnt -= cnt; - blknr += cnt; - buffer += (cnt * ATAPI_READ_BLOCK_SIZE); - } while (blkcnt > 0); - return n; -} - -static void atapi_inquiry(struct blk_desc *dev_desc) -{ - unsigned char ccb[12]; /* Command descriptor block */ - unsigned char iobuf[64]; /* temp buf */ - unsigned char c; - int device; - - device = dev_desc->devnum; - dev_desc->type = DEV_TYPE_UNKNOWN; /* not yet valid */ - dev_desc->block_read = atapi_read; - - memset(ccb, 0, sizeof(ccb)); - memset(iobuf, 0, sizeof(iobuf)); - - ccb[0] = ATAPI_CMD_INQUIRY; - ccb[4] = 40; /* allocation Legnth */ - c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 40); - - debug("ATAPI_CMD_INQUIRY returned %x\n", c); - if (c != 0) - return; - - /* copy device ident strings */ - ident_cpy((unsigned char *)dev_desc->vendor, &iobuf[8], 8); - ident_cpy((unsigned char *)dev_desc->product, &iobuf[16], 16); - ident_cpy((unsigned char *)dev_desc->revision, &iobuf[32], 5); - - dev_desc->lun = 0; - dev_desc->lba = 0; - dev_desc->blksz = 0; - dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz)); - dev_desc->type = iobuf[0] & 0x1f; - - if ((iobuf[1] & 0x80) == 0x80) - dev_desc->removable = 1; - else - dev_desc->removable = 0; - - memset(ccb, 0, sizeof(ccb)); - memset(iobuf, 0, sizeof(iobuf)); - ccb[0] = ATAPI_CMD_START_STOP; - ccb[4] = 0x03; /* start */ - - c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0); - - debug("ATAPI_CMD_START_STOP returned %x\n", c); - if (c != 0) - return; - - memset(ccb, 0, sizeof(ccb)); - memset(iobuf, 0, sizeof(iobuf)); - c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0); - - debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c); - if (c != 0) - return; - - memset(ccb, 0, sizeof(ccb)); - memset(iobuf, 0, sizeof(iobuf)); - ccb[0] = ATAPI_CMD_READ_CAP; - c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 8); - debug("ATAPI_CMD_READ_CAP returned %x\n", c); - if (c != 0) - return; - - debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", - iobuf[0], iobuf[1], iobuf[2], iobuf[3], - iobuf[4], iobuf[5], iobuf[6], iobuf[7]); - - dev_desc->lba = ((unsigned long) iobuf[0] << 24) + - ((unsigned long) iobuf[1] << 16) + - ((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]); - dev_desc->blksz = ((unsigned long) iobuf[4] << 24) + - ((unsigned long) iobuf[5] << 16) + - ((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]); - dev_desc->log2blksz = LOG2(dev_desc->blksz); -#ifdef CONFIG_LBA48 - /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ - dev_desc->lba48 = 0; -#endif - return; -} - -#endif /* CONFIG_ATAPI */ - -static void ide_ident(struct blk_desc *dev_desc) -{ - unsigned char c; - hd_driveid_t iop; - -#ifdef CONFIG_ATAPI - int retries = 0; -#endif - int device; - - device = dev_desc->devnum; - printf(" Device %d: ", device); - - ide_led(DEVICE_LED(device), 1); /* LED on */ - /* Select device - */ - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - dev_desc->if_type = IF_TYPE_IDE; -#ifdef CONFIG_ATAPI - - retries = 0; - - /* Warning: This will be tricky to read */ - while (retries <= 1) { - /* check signature */ - if ((ide_inb(device, ATA_SECT_CNT) == 0x01) && - (ide_inb(device, ATA_SECT_NUM) == 0x01) && - (ide_inb(device, ATA_CYL_LOW) == 0x14) && - (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) { - /* ATAPI Signature found */ - dev_desc->if_type = IF_TYPE_ATAPI; - /* - * Start Ident Command - */ - ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT); - /* - * Wait for completion - ATAPI devices need more time - * to become ready - */ - c = ide_wait(device, ATAPI_TIME_OUT); - } else -#endif - { - /* - * Start Ident Command - */ - ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT); - - /* - * Wait for completion - */ - c = ide_wait(device, IDE_TIME_OUT); - } - ide_led(DEVICE_LED(device), 0); /* LED off */ - - if (((c & ATA_STAT_DRQ) == 0) || - ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) { -#ifdef CONFIG_ATAPI - { - /* - * Need to soft reset the device - * in case it's an ATAPI... - */ - debug("Retrying...\n"); - ide_outb(device, ATA_DEV_HD, - ATA_LBA | ATA_DEVICE(device)); - udelay(100000); - ide_outb(device, ATA_COMMAND, 0x08); - udelay(500000); /* 500 ms */ - } - /* - * Select device - */ - ide_outb(device, ATA_DEV_HD, - ATA_LBA | ATA_DEVICE(device)); - retries++; -#else - return; -#endif - } -#ifdef CONFIG_ATAPI - else - break; - } /* see above - ugly to read */ - - if (retries == 2) /* Not found */ - return; -#endif - - ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS); - - ident_cpy((unsigned char *)dev_desc->revision, iop.fw_rev, - sizeof(dev_desc->revision)); - ident_cpy((unsigned char *)dev_desc->vendor, iop.model, - sizeof(dev_desc->vendor)); - ident_cpy((unsigned char *)dev_desc->product, iop.serial_no, - sizeof(dev_desc->product)); -#ifdef __LITTLE_ENDIAN - /* - * firmware revision, model, and serial number have Big Endian Byte - * order in Word. Convert all three to little endian. - * - * See CF+ and CompactFlash Specification Revision 2.0: - * 6.2.1.6: Identify Drive, Table 39 for more details - */ - - strswab(dev_desc->revision); - strswab(dev_desc->vendor); - strswab(dev_desc->product); -#endif /* __LITTLE_ENDIAN */ - - if ((iop.config & 0x0080) == 0x0080) - dev_desc->removable = 1; - else - dev_desc->removable = 0; - -#ifdef CONFIG_ATAPI - if (dev_desc->if_type == IF_TYPE_ATAPI) { - atapi_inquiry(dev_desc); - return; - } -#endif /* CONFIG_ATAPI */ - -#ifdef __BIG_ENDIAN - /* swap shorts */ - dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16); -#else /* ! __BIG_ENDIAN */ - /* - * do not swap shorts on little endian - * - * See CF+ and CompactFlash Specification Revision 2.0: - * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. - */ - dev_desc->lba = iop.lba_capacity; -#endif /* __BIG_ENDIAN */ - -#ifdef CONFIG_LBA48 - if (iop.command_set_2 & 0x0400) { /* LBA 48 support */ - dev_desc->lba48 = 1; - dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] | - ((unsigned long long) iop.lba48_capacity[1] << 16) | - ((unsigned long long) iop.lba48_capacity[2] << 32) | - ((unsigned long long) iop.lba48_capacity[3] << 48); - } else { - dev_desc->lba48 = 0; - } -#endif /* CONFIG_LBA48 */ - /* assuming HD */ - dev_desc->type = DEV_TYPE_HARDDISK; - dev_desc->blksz = ATA_BLOCKSIZE; - dev_desc->log2blksz = LOG2(dev_desc->blksz); - dev_desc->lun = 0; /* just to fill something in... */ - -#if 0 /* only used to test the powersaving mode, - * if enabled, the drive goes after 5 sec - * in standby mode */ - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - c = ide_wait(device, IDE_TIME_OUT); - ide_outb(device, ATA_SECT_CNT, 1); - ide_outb(device, ATA_LBA_LOW, 0); - ide_outb(device, ATA_LBA_MID, 0); - ide_outb(device, ATA_LBA_HIGH, 0); - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - ide_outb(device, ATA_COMMAND, 0xe3); - udelay(50); - c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */ -#endif -} - -__weak void ide_led(uchar led, uchar status) -{ -#if defined(CONFIG_IDE_LED) && defined(PER8_BASE) /* required by LED_PORT */ - static uchar led_buffer; /* Buffer for current LED status */ - - uchar *led_port = LED_PORT; - - if (status) /* switch LED on */ - led_buffer |= led; - else /* switch LED off */ - led_buffer &= ~led; - - *led_port = led_buffer; -#endif -} - -__weak void ide_outb(int dev, int port, unsigned char val) -{ - debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", - dev, port, val, - (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); - -#if defined(CONFIG_IDE_AHB) - if (port) { - /* write command */ - ide_write_register(dev, port, val); - } else { - /* write data */ - outb(val, (ATA_CURR_BASE(dev))); - } -#else - outb(val, (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); -#endif -} - -__weak unsigned char ide_inb(int dev, int port) -{ - uchar val; - -#if defined(CONFIG_IDE_AHB) - val = ide_read_register(dev, port); -#else - val = inb((ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); -#endif - - debug("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", - dev, port, - (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)), val); - return val; -} - -void ide_init(void) -{ - unsigned char c; - int i, bus; - -#ifdef CONFIG_IDE_8xx_PCCARD - extern int ide_devices_found; /* Initialized in check_ide_device() */ -#endif /* CONFIG_IDE_8xx_PCCARD */ - -#ifdef CONFIG_IDE_PREINIT - WATCHDOG_RESET(); - - if (ide_preinit()) { - puts("ide_preinit failed\n"); - return; - } -#endif /* CONFIG_IDE_PREINIT */ - - WATCHDOG_RESET(); - - /* - * Reset the IDE just to be sure. - * Light LED's to show - */ - ide_led((LED_IDE1 | LED_IDE2), 1); /* LED's on */ - - /* ATAPI Drives seems to need a proper IDE Reset */ - ide_reset(); - -#ifdef CONFIG_IDE_INIT_POSTRESET - WATCHDOG_RESET(); - - if (ide_init_postreset()) { - puts("ide_preinit_postreset failed\n"); - return; - } -#endif /* CONFIG_IDE_INIT_POSTRESET */ - - /* - * Wait for IDE to get ready. - * According to spec, this can take up to 31 seconds! - */ - for (bus = 0; bus < CONFIG_SYS_IDE_MAXBUS; ++bus) { - int dev = - bus * (CONFIG_SYS_IDE_MAXDEVICE / - CONFIG_SYS_IDE_MAXBUS); - -#ifdef CONFIG_IDE_8xx_PCCARD - /* Skip non-ide devices from probing */ - if ((ide_devices_found & (1 << bus)) == 0) { - ide_led((LED_IDE1 | LED_IDE2), 0); /* LED's off */ - continue; - } -#endif - printf("Bus %d: ", bus); - - ide_bus_ok[bus] = 0; - - /* Select device - */ - udelay(100000); /* 100 ms */ - ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); - udelay(100000); /* 100 ms */ - i = 0; - do { - udelay(10000); /* 10 ms */ - - c = ide_inb(dev, ATA_STATUS); - i++; - if (i > (ATA_RESET_TIME * 100)) { - puts("** Timeout **\n"); - /* LED's off */ - ide_led((LED_IDE1 | LED_IDE2), 0); - return; - } - if ((i >= 100) && ((i % 100) == 0)) - putc('.'); - - } while (c & ATA_STAT_BUSY); - - if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { - puts("not available "); - debug("Status = 0x%02X ", c); -#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ - } else if ((c & ATA_STAT_READY) == 0) { - puts("not available "); - debug("Status = 0x%02X ", c); -#endif - } else { - puts("OK "); - ide_bus_ok[bus] = 1; - } - WATCHDOG_RESET(); - } - - putc('\n'); - - ide_led((LED_IDE1 | LED_IDE2), 0); /* LED's off */ - - for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) { - int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; - ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; - ide_dev_desc[i].if_type = IF_TYPE_IDE; - ide_dev_desc[i].devnum = i; - ide_dev_desc[i].part_type = PART_TYPE_UNKNOWN; - ide_dev_desc[i].blksz = 0; - ide_dev_desc[i].log2blksz = - LOG2_INVALID(typeof(ide_dev_desc[i].log2blksz)); - ide_dev_desc[i].lba = 0; -#ifndef CONFIG_BLK - ide_dev_desc[i].block_read = ide_read; - ide_dev_desc[i].block_write = ide_write; -#endif - if (!ide_bus_ok[IDE_BUS(i)]) - continue; - ide_led(led, 1); /* LED on */ - ide_ident(&ide_dev_desc[i]); - ide_led(led, 0); /* LED off */ - dev_print(&ide_dev_desc[i]); - - if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { - /* initialize partition type */ - part_init(&ide_dev_desc[i]); - } - } - WATCHDOG_RESET(); -} - -/* We only need to swap data if we are running on a big endian cpu. */ -#if defined(__LITTLE_ENDIAN) -__weak void ide_input_swap_data(int dev, ulong *sect_buf, int words) -{ - ide_input_data(dev, sect_buf, words); -} -#else -__weak void ide_input_swap_data(int dev, ulong *sect_buf, int words) -{ - volatile ushort *pbuf = - (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG); - ushort *dbuf = (ushort *)sect_buf; - - debug("in input swap data base for read is %lx\n", - (unsigned long) pbuf); - - while (words--) { -#ifdef __MIPS__ - *dbuf++ = swab16p((u16 *)pbuf); - *dbuf++ = swab16p((u16 *)pbuf); -#else - *dbuf++ = ld_le16(pbuf); - *dbuf++ = ld_le16(pbuf); -#endif /* !MIPS */ - } -} -#endif /* __LITTLE_ENDIAN */ - - -#if defined(CONFIG_IDE_SWAP_IO) -__weak void ide_output_data(int dev, const ulong *sect_buf, int words) -{ - ushort *dbuf; - volatile ushort *pbuf; - - pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG); - dbuf = (ushort *)sect_buf; - while (words--) { - EIEIO; - *pbuf = *dbuf++; - EIEIO; - *pbuf = *dbuf++; - } -} -#else /* ! CONFIG_IDE_SWAP_IO */ -__weak void ide_output_data(int dev, const ulong *sect_buf, int words) -{ -#if defined(CONFIG_IDE_AHB) - ide_write_data(dev, sect_buf, words); -#else - outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1); -#endif -} -#endif /* CONFIG_IDE_SWAP_IO */ - -#if defined(CONFIG_IDE_SWAP_IO) -__weak void ide_input_data(int dev, ulong *sect_buf, int words) -{ - ushort *dbuf; - volatile ushort *pbuf; - - pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG); - dbuf = (ushort *)sect_buf; - - debug("in input data base for read is %lx\n", (unsigned long) pbuf); - - while (words--) { - EIEIO; - *dbuf++ = *pbuf; - EIEIO; - *dbuf++ = *pbuf; - } -} -#else /* ! CONFIG_IDE_SWAP_IO */ -__weak void ide_input_data(int dev, ulong *sect_buf, int words) -{ -#if defined(CONFIG_IDE_AHB) - ide_read_data(dev, sect_buf, words); -#else - insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1); -#endif -} - -#endif /* CONFIG_IDE_SWAP_IO */ - -#ifdef CONFIG_BLK -ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, - void *buffer) -#else -ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, - void *buffer) -#endif -{ -#ifdef CONFIG_BLK - struct blk_desc *block_dev = dev_get_uclass_platdata(dev); -#endif - int device = block_dev->devnum; - ulong n = 0; - unsigned char c; - unsigned char pwrsave = 0; /* power save */ - -#ifdef CONFIG_LBA48 - unsigned char lba48 = 0; - - if (blknr & 0x0000fffff0000000ULL) { - /* more than 28 bits used, use 48bit mode */ - lba48 = 1; - } -#endif - debug("ide_read dev %d start " LBAF ", blocks " LBAF " buffer at %lX\n", - device, blknr, blkcnt, (ulong) buffer); - - ide_led(DEVICE_LED(device), 1); /* LED on */ - - /* Select device - */ - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - c = ide_wait(device, IDE_TIME_OUT); - - if (c & ATA_STAT_BUSY) { - printf("IDE read: device %d not ready\n", device); - goto IDE_READ_E; - } - - /* first check if the drive is in Powersaving mode, if yes, - * increase the timeout value */ - ide_outb(device, ATA_COMMAND, ATA_CMD_CHK_PWR); - udelay(50); - - c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */ - - if (c & ATA_STAT_BUSY) { - printf("IDE read: device %d not ready\n", device); - goto IDE_READ_E; - } - if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { - printf("No Powersaving mode %X\n", c); - } else { - c = ide_inb(device, ATA_SECT_CNT); - debug("Powersaving %02X\n", c); - if (c == 0) - pwrsave = 1; - } - - - while (blkcnt-- > 0) { - c = ide_wait(device, IDE_TIME_OUT); - - if (c & ATA_STAT_BUSY) { - printf("IDE read: device %d not ready\n", device); - break; - } -#ifdef CONFIG_LBA48 - if (lba48) { - /* write high bits */ - ide_outb(device, ATA_SECT_CNT, 0); - ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); -#ifdef CONFIG_SYS_64BIT_LBA - ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF); - ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); -#else - ide_outb(device, ATA_LBA_MID, 0); - ide_outb(device, ATA_LBA_HIGH, 0); -#endif - } -#endif - ide_outb(device, ATA_SECT_CNT, 1); - ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); - ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); - ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); - -#ifdef CONFIG_LBA48 - if (lba48) { - ide_outb(device, ATA_DEV_HD, - ATA_LBA | ATA_DEVICE(device)); - ide_outb(device, ATA_COMMAND, ATA_CMD_READ_EXT); - - } else -#endif - { - ide_outb(device, ATA_DEV_HD, ATA_LBA | - ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); - ide_outb(device, ATA_COMMAND, ATA_CMD_READ); - } - - udelay(50); - - if (pwrsave) { - /* may take up to 4 sec */ - c = ide_wait(device, IDE_SPIN_UP_TIME_OUT); - pwrsave = 0; - } else { - /* can't take over 500 ms */ - c = ide_wait(device, IDE_TIME_OUT); - } - - if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) != - ATA_STAT_DRQ) { - printf("Error (no IRQ) dev %d blk " LBAF - ": status %#02x\n", device, blknr, c); - break; - } - - ide_input_data(device, buffer, ATA_SECTORWORDS); - (void) ide_inb(device, ATA_STATUS); /* clear IRQ */ - - ++n; - ++blknr; - buffer += ATA_BLOCKSIZE; - } -IDE_READ_E: - ide_led(DEVICE_LED(device), 0); /* LED off */ - return n; -} - -#ifdef CONFIG_BLK -ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, - const void *buffer) -#else -ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, - const void *buffer) -#endif -{ -#ifdef CONFIG_BLK - struct blk_desc *block_dev = dev_get_uclass_platdata(dev); -#endif - int device = block_dev->devnum; - ulong n = 0; - unsigned char c; - -#ifdef CONFIG_LBA48 - unsigned char lba48 = 0; - - if (blknr & 0x0000fffff0000000ULL) { - /* more than 28 bits used, use 48bit mode */ - lba48 = 1; - } -#endif - - ide_led(DEVICE_LED(device), 1); /* LED on */ - - /* Select device - */ - ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - - while (blkcnt-- > 0) { - c = ide_wait(device, IDE_TIME_OUT); - - if (c & ATA_STAT_BUSY) { - printf("IDE read: device %d not ready\n", device); - goto WR_OUT; - } -#ifdef CONFIG_LBA48 - if (lba48) { - /* write high bits */ - ide_outb(device, ATA_SECT_CNT, 0); - ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); -#ifdef CONFIG_SYS_64BIT_LBA - ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF); - ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); -#else - ide_outb(device, ATA_LBA_MID, 0); - ide_outb(device, ATA_LBA_HIGH, 0); -#endif - } -#endif - ide_outb(device, ATA_SECT_CNT, 1); - ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); - ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); - ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); - -#ifdef CONFIG_LBA48 - if (lba48) { - ide_outb(device, ATA_DEV_HD, - ATA_LBA | ATA_DEVICE(device)); - ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE_EXT); - - } else -#endif - { - ide_outb(device, ATA_DEV_HD, ATA_LBA | - ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); - ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE); - } - - udelay(50); - - /* can't take over 500 ms */ - c = ide_wait(device, IDE_TIME_OUT); - - if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) != - ATA_STAT_DRQ) { - printf("Error (no IRQ) dev %d blk " LBAF - ": status %#02x\n", device, blknr, c); - goto WR_OUT; - } - - ide_output_data(device, buffer, ATA_SECTORWORDS); - c = ide_inb(device, ATA_STATUS); /* clear IRQ */ - ++n; - ++blknr; - buffer += ATA_BLOCKSIZE; - } -WR_OUT: - ide_led(DEVICE_LED(device), 0); /* LED off */ - return n; -} - -#if defined(CONFIG_OF_IDE_FIXUP) -int ide_device_present(int dev) -{ - if (dev >= CONFIG_SYS_IDE_MAXBUS) - return 0; - return ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1; -} -#endif - -#ifdef CONFIG_BLK -static const struct blk_ops ide_blk_ops = { - .read = ide_read, - .write = ide_write, -}; - -U_BOOT_DRIVER(ide_blk) = { - .name = "ide_blk", - .id = UCLASS_BLK, - .ops = &ide_blk_ops, -}; -#else -U_BOOT_LEGACY_BLK(ide) = { - .if_typename = "ide", - .if_type = IF_TYPE_IDE, - .max_devs = CONFIG_SYS_IDE_MAXDEVICE, - .desc = ide_dev_desc, -}; -#endif |