diff options
| -rw-r--r-- | drivers/block/Makefile | 1 | ||||
| -rw-r--r-- | drivers/block/pata_bfin.c | 1209 | ||||
| -rw-r--r-- | drivers/block/pata_bfin.h | 170 | ||||
| -rw-r--r-- | drivers/mmc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mmc/bfin_sdh.c | 306 | ||||
| -rw-r--r-- | drivers/mtd/nand/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mtd/nand/bfin_nand.c | 394 | ||||
| -rw-r--r-- | drivers/net/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/bfin_mac.c | 519 | ||||
| -rw-r--r-- | drivers/net/bfin_mac.h | 65 | ||||
| -rw-r--r-- | drivers/rtc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/rtc/bfin_rtc.c | 121 | ||||
| -rw-r--r-- | drivers/watchdog/Makefile | 1 | ||||
| -rw-r--r-- | drivers/watchdog/bfin_wdt.c | 27 |
14 files changed, 0 insertions, 2817 deletions
diff --git a/drivers/block/Makefile b/drivers/block/Makefile index a72feecd54..f415b3371b 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -20,7 +20,6 @@ obj-$(CONFIG_IDE_FTIDE020) += ftide020.o obj-$(CONFIG_LIBATA) += libata.o obj-$(CONFIG_MVSATA_IDE) += mvsata_ide.o obj-$(CONFIG_MX51_PATA) += mxc_ata.o -obj-$(CONFIG_PATA_BFIN) += pata_bfin.o obj-$(CONFIG_SATA_CEVA) += sata_ceva.o obj-$(CONFIG_SATA_DWC) += sata_dwc.o obj-$(CONFIG_SATA_MV) += sata_mv.o diff --git a/drivers/block/pata_bfin.c b/drivers/block/pata_bfin.c deleted file mode 100644 index 36a15125ad..0000000000 --- a/drivers/block/pata_bfin.c +++ /dev/null @@ -1,1209 +0,0 @@ -/* - * Driver for Blackfin on-chip ATAPI controller. - * - * Enter bugs at http://blackfin.uclinux.org/ - * - * Copyright (c) 2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <command.h> -#include <config.h> -#include <asm/byteorder.h> -#include <asm/clock.h> -#include <asm/io.h> -#include <linux/errno.h> -#include <asm/portmux.h> -#include <asm/mach-common/bits/pata.h> -#include <ata.h> -#include <sata.h> -#include <libata.h> -#include "pata_bfin.h" - -static struct ata_port port[CONFIG_SYS_SATA_MAX_DEVICE]; - -/** - * PIO Mode - Frequency compatibility - */ -/* mode: 0 1 2 3 4 */ -static const u32 pio_fsclk[] = -{ 33333333, 33333333, 33333333, 33333333, 33333333 }; - -/** - * MDMA Mode - Frequency compatibility - */ -/* mode: 0 1 2 */ -static const u32 mdma_fsclk[] = { 33333333, 33333333, 33333333 }; - -/** - * UDMA Mode - Frequency compatibility - * - * UDMA5 - 100 MB/s - SCLK = 133 MHz - * UDMA4 - 66 MB/s - SCLK >= 80 MHz - * UDMA3 - 44.4 MB/s - SCLK >= 50 MHz - * UDMA2 - 33 MB/s - SCLK >= 40 MHz - */ -/* mode: 0 1 2 3 4 5 */ -static const u32 udma_fsclk[] = -{ 33333333, 33333333, 40000000, 50000000, 80000000, 133333333 }; - -/** - * Register transfer timing table - */ -/* mode: 0 1 2 3 4 */ -/* Cycle Time */ -static const u32 reg_t0min[] = { 600, 383, 330, 180, 120 }; -/* DIOR/DIOW to end cycle */ -static const u32 reg_t2min[] = { 290, 290, 290, 70, 25 }; -/* DIOR/DIOW asserted pulse width */ -static const u32 reg_teocmin[] = { 290, 290, 290, 80, 70 }; - -/** - * PIO timing table - */ -/* mode: 0 1 2 3 4 */ -/* Cycle Time */ -static const u32 pio_t0min[] = { 600, 383, 240, 180, 120 }; -/* Address valid to DIOR/DIORW */ -static const u32 pio_t1min[] = { 70, 50, 30, 30, 25 }; -/* DIOR/DIOW to end cycle */ -static const u32 pio_t2min[] = { 165, 125, 100, 80, 70 }; -/* DIOR/DIOW asserted pulse width */ -static const u32 pio_teocmin[] = { 165, 125, 100, 70, 25 }; -/* DIOW data hold */ -static const u32 pio_t4min[] = { 30, 20, 15, 10, 10 }; - -/* ****************************************************************** - * Multiword DMA timing table - * ****************************************************************** - */ -/* mode: 0 1 2 */ -/* Cycle Time */ -static const u32 mdma_t0min[] = { 480, 150, 120 }; -/* DIOR/DIOW asserted pulse width */ -static const u32 mdma_tdmin[] = { 215, 80, 70 }; -/* DMACK to read data released */ -static const u32 mdma_thmin[] = { 20, 15, 10 }; -/* DIOR/DIOW to DMACK hold */ -static const u32 mdma_tjmin[] = { 20, 5, 5 }; -/* DIOR negated pulse width */ -static const u32 mdma_tkrmin[] = { 50, 50, 25 }; -/* DIOR negated pulse width */ -static const u32 mdma_tkwmin[] = { 215, 50, 25 }; -/* CS[1:0] valid to DIOR/DIOW */ -static const u32 mdma_tmmin[] = { 50, 30, 25 }; -/* DMACK to read data released */ -static const u32 mdma_tzmax[] = { 20, 25, 25 }; - -/** - * Ultra DMA timing table - */ -/* mode: 0 1 2 3 4 5 */ -static const u32 udma_tcycmin[] = { 112, 73, 54, 39, 25, 17 }; -static const u32 udma_tdvsmin[] = { 70, 48, 31, 20, 7, 5 }; -static const u32 udma_tenvmax[] = { 70, 70, 70, 55, 55, 50 }; -static const u32 udma_trpmin[] = { 160, 125, 100, 100, 100, 85 }; -static const u32 udma_tmin[] = { 5, 5, 5, 5, 3, 3 }; - - -static const u32 udma_tmlimin = 20; -static const u32 udma_tzahmin = 20; -static const u32 udma_tenvmin = 20; -static const u32 udma_tackmin = 20; -static const u32 udma_tssmin = 50; - -static void msleep(int count) -{ - int i; - - for (i = 0; i < count; i++) - udelay(1000); -} - -/** - * - * Function: num_clocks_min - * - * Description: - * calculate number of SCLK cycles to meet minimum timing - */ -static unsigned short num_clocks_min(unsigned long tmin, - unsigned long fsclk) -{ - unsigned long tmp ; - unsigned short result; - - tmp = tmin * (fsclk/1000/1000) / 1000; - result = (unsigned short)tmp; - if ((tmp*1000*1000) < (tmin*(fsclk/1000))) - result++; - - return result; -} - -/** - * bfin_set_piomode - Initialize host controller PATA PIO timings - * @ap: Port whose timings we are configuring - * @pio_mode: mode - * - * Set PIO mode for device. - * - * LOCKING: - * None (inherited from caller). - */ - -static void bfin_set_piomode(struct ata_port *ap, int pio_mode) -{ - int mode = pio_mode - XFER_PIO_0; - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - unsigned int fsclk = get_sclk(); - unsigned short teoc_reg, t2_reg, teoc_pio; - unsigned short t4_reg, t2_pio, t1_reg; - unsigned short n0, n6, t6min = 5; - - /* the most restrictive timing value is t6 and tc, the DIOW - data hold - * If one SCLK pulse is longer than this minimum value then register - * transfers cannot be supported at this frequency. - */ - n6 = num_clocks_min(t6min, fsclk); - if (mode >= 0 && mode <= 4 && n6 >= 1) { - debug("set piomode: mode=%d, fsclk=%ud\n", mode, fsclk); - /* calculate the timing values for register transfers. */ - while (mode > 0 && pio_fsclk[mode] > fsclk) - mode--; - - /* DIOR/DIOW to end cycle time */ - t2_reg = num_clocks_min(reg_t2min[mode], fsclk); - /* DIOR/DIOW asserted pulse width */ - teoc_reg = num_clocks_min(reg_teocmin[mode], fsclk); - /* Cycle Time */ - n0 = num_clocks_min(reg_t0min[mode], fsclk); - - /* increase t2 until we meed the minimum cycle length */ - if (t2_reg + teoc_reg < n0) - t2_reg = n0 - teoc_reg; - - /* calculate the timing values for pio transfers. */ - - /* DIOR/DIOW to end cycle time */ - t2_pio = num_clocks_min(pio_t2min[mode], fsclk); - /* DIOR/DIOW asserted pulse width */ - teoc_pio = num_clocks_min(pio_teocmin[mode], fsclk); - /* Cycle Time */ - n0 = num_clocks_min(pio_t0min[mode], fsclk); - - /* increase t2 until we meed the minimum cycle length */ - if (t2_pio + teoc_pio < n0) - t2_pio = n0 - teoc_pio; - - /* Address valid to DIOR/DIORW */ - t1_reg = num_clocks_min(pio_t1min[mode], fsclk); - - /* DIOW data hold */ - t4_reg = num_clocks_min(pio_t4min[mode], fsclk); - - ATAPI_SET_REG_TIM_0(base, (teoc_reg<<8 | t2_reg)); - ATAPI_SET_PIO_TIM_0(base, (t4_reg<<12 | t2_pio<<4 | t1_reg)); - ATAPI_SET_PIO_TIM_1(base, teoc_pio); - if (mode > 2) { - ATAPI_SET_CONTROL(base, - ATAPI_GET_CONTROL(base) | IORDY_EN); - } else { - ATAPI_SET_CONTROL(base, - ATAPI_GET_CONTROL(base) & ~IORDY_EN); - } - - /* Disable host ATAPI PIO interrupts */ - ATAPI_SET_INT_MASK(base, ATAPI_GET_INT_MASK(base) - & ~(PIO_DONE_MASK | HOST_TERM_XFER_MASK)); - SSYNC(); - } -} - -/** - * - * Function: wait_complete - * - * Description: Waits the interrupt from device - * - */ -static inline void wait_complete(void __iomem *base, unsigned short mask) -{ - unsigned short status; - unsigned int i = 0; - - for (i = 0; i < PATA_BFIN_WAIT_TIMEOUT; i++) { - status = ATAPI_GET_INT_STATUS(base) & mask; - if (status) - break; - } - - ATAPI_SET_INT_STATUS(base, mask); -} - -/** - * - * Function: write_atapi_register - * - * Description: Writes to ATA Device Resgister - * - */ - -static void write_atapi_register(void __iomem *base, - unsigned long ata_reg, unsigned short value) -{ - /* Program the ATA_DEV_TXBUF register with write data (to be - * written into the device). - */ - ATAPI_SET_DEV_TXBUF(base, value); - - /* Program the ATA_DEV_ADDR register with address of the - * device register (0x01 to 0x0F). - */ - ATAPI_SET_DEV_ADDR(base, ata_reg); - - /* Program the ATA_CTRL register with dir set to write (1) - */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) | XFER_DIR)); - - /* ensure PIO DMA is not set */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) & ~PIO_USE_DMA)); - - /* and start the transfer */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) | PIO_START)); - - /* Wait for the interrupt to indicate the end of the transfer. - * (We need to wait on and clear rhe ATA_DEV_INT interrupt status) - */ - wait_complete(base, PIO_DONE_INT); -} - -/** - * - * Function: read_atapi_register - * - *Description: Reads from ATA Device Resgister - * - */ - -static unsigned short read_atapi_register(void __iomem *base, - unsigned long ata_reg) -{ - /* Program the ATA_DEV_ADDR register with address of the - * device register (0x01 to 0x0F). - */ - ATAPI_SET_DEV_ADDR(base, ata_reg); - - /* Program the ATA_CTRL register with dir set to read (0) and - */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) & ~XFER_DIR)); - - /* ensure PIO DMA is not set */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) & ~PIO_USE_DMA)); - - /* and start the transfer */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) | PIO_START)); - - /* Wait for the interrupt to indicate the end of the transfer. - * (PIO_DONE interrupt is set and it doesn't seem to matter - * that we don't clear it) - */ - wait_complete(base, PIO_DONE_INT); - - /* Read the ATA_DEV_RXBUF register with write data (to be - * written into the device). - */ - return ATAPI_GET_DEV_RXBUF(base); -} - -/** - * - * Function: write_atapi_register_data - * - * Description: Writes to ATA Device Resgister - * - */ - -static void write_atapi_data(void __iomem *base, - int len, unsigned short *buf) -{ - int i; - - /* Set transfer length to 1 */ - ATAPI_SET_XFER_LEN(base, 1); - - /* Program the ATA_DEV_ADDR register with address of the - * ATA_REG_DATA - */ - ATAPI_SET_DEV_ADDR(base, ATA_REG_DATA); - - /* Program the ATA_CTRL register with dir set to write (1) - */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) | XFER_DIR)); - - /* ensure PIO DMA is not set */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) & ~PIO_USE_DMA)); - - for (i = 0; i < len; i++) { - /* Program the ATA_DEV_TXBUF register with write data (to be - * written into the device). - */ - ATAPI_SET_DEV_TXBUF(base, buf[i]); - - /* and start the transfer */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) | PIO_START)); - - /* Wait for the interrupt to indicate the end of the transfer. - * (We need to wait on and clear rhe ATA_DEV_INT - * interrupt status) - */ - wait_complete(base, PIO_DONE_INT); - } -} - -/** - * - * Function: read_atapi_register_data - * - * Description: Reads from ATA Device Resgister - * - */ - -static void read_atapi_data(void __iomem *base, - int len, unsigned short *buf) -{ - int i; - - /* Set transfer length to 1 */ - ATAPI_SET_XFER_LEN(base, 1); - - /* Program the ATA_DEV_ADDR register with address of the - * ATA_REG_DATA - */ - ATAPI_SET_DEV_ADDR(base, ATA_REG_DATA); - - /* Program the ATA_CTRL register with dir set to read (0) and - */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) & ~XFER_DIR)); - - /* ensure PIO DMA is not set */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) & ~PIO_USE_DMA)); - - for (i = 0; i < len; i++) { - /* and start the transfer */ - ATAPI_SET_CONTROL(base, (ATAPI_GET_CONTROL(base) | PIO_START)); - - /* Wait for the interrupt to indicate the end of the transfer. - * (PIO_DONE interrupt is set and it doesn't seem to matter - * that we don't clear it) - */ - wait_complete(base, PIO_DONE_INT); - - /* Read the ATA_DEV_RXBUF register with write data (to be - * written into the device). - */ - buf[i] = ATAPI_GET_DEV_RXBUF(base); - } -} - -/** - * bfin_check_status - Read device status reg & clear interrupt - * @ap: port where the device is - * - * Note: Original code is ata_check_status(). - */ - -static u8 bfin_check_status(struct ata_port *ap) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - return read_atapi_register(base, ATA_REG_STATUS); -} - -/** - * bfin_check_altstatus - Read device alternate status reg - * @ap: port where the device is - */ - -static u8 bfin_check_altstatus(struct ata_port *ap) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - return read_atapi_register(base, ATA_REG_ALTSTATUS); -} - -/** - * bfin_ata_busy_wait - Wait for a port status register - * @ap: Port to wait for. - * @bits: bits that must be clear - * @max: number of 10uS waits to perform - * - * Waits up to max*10 microseconds for the selected bits in the port's - * status register to be cleared. - * Returns final value of status register. - * - * LOCKING: - * Inherited from caller. - */ -static inline u8 bfin_ata_busy_wait(struct ata_port *ap, unsigned int bits, - unsigned int max, u8 usealtstatus) -{ - u8 status; - - do { - udelay(10); - if (usealtstatus) - status = bfin_check_altstatus(ap); - else - status = bfin_check_status(ap); - max--; - } while (status != 0xff && (status & bits) && (max > 0)); - - return status; -} - -/** - * bfin_ata_busy_sleep - sleep until BSY clears, or timeout - * @ap: port containing status register to be polled - * @tmout_pat: impatience timeout in msecs - * @tmout: overall timeout in msecs - * - * Sleep until ATA Status register bit BSY clears, - * or a timeout occurs. - * - * RETURNS: - * 0 on success, -errno otherwise. - */ -static int bfin_ata_busy_sleep(struct ata_port *ap, - long tmout_pat, unsigned long tmout) -{ - u8 status; - - status = bfin_ata_busy_wait(ap, ATA_BUSY, 300, 0); - while (status != 0xff && (status & ATA_BUSY) && tmout_pat > 0) { - msleep(50); - tmout_pat -= 50; - status = bfin_ata_busy_wait(ap, ATA_BUSY, 3, 0); - } - - if (status != 0xff && (status & ATA_BUSY)) - printf("port is slow to respond, please be patient " - "(Status 0x%x)\n", status); - - while (status != 0xff && (status & ATA_BUSY) && tmout_pat > 0) { - msleep(50); - tmout_pat -= 50; - status = bfin_check_status(ap); - } - - if (status == 0xff) - return -ENODEV; - - if (status & ATA_BUSY) { - printf("port failed to respond " - "(%lu secs, Status 0x%x)\n", - DIV_ROUND_UP(tmout, 1000), status); - return -EBUSY; - } - - return 0; -} - -/** - * bfin_dev_select - Select device 0/1 on ATA bus - * @ap: ATA channel to manipulate - * @device: ATA device (numbered from zero) to select - * - * Note: Original code is ata_sff_dev_select(). - */ - -static void bfin_dev_select(struct ata_port *ap, unsigned int device) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - u8 tmp; - - - if (device == 0) - tmp = ATA_DEVICE_OBS; - else - tmp = ATA_DEVICE_OBS | ATA_DEV1; - - write_atapi_register(base, ATA_REG_DEVICE, tmp); - udelay(1); -} - -/** - * bfin_devchk - PATA device presence detection - * @ap: ATA channel to examine - * @device: Device to examine (starting at zero) - * - * Note: Original code is ata_devchk(). - */ - -static unsigned int bfin_devchk(struct ata_port *ap, - unsigned int device) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - u8 nsect, lbal; - - bfin_dev_select(ap, device); - - write_atapi_register(base, ATA_REG_NSECT, 0x55); - write_atapi_register(base, ATA_REG_LBAL, 0xaa); - - write_atapi_register(base, ATA_REG_NSECT, 0xaa); - write_atapi_register(base, ATA_REG_LBAL, 0x55); - - write_atapi_register(base, ATA_REG_NSECT, 0x55); - write_atapi_register(base, ATA_REG_LBAL, 0xaa); - - nsect = read_atapi_register(base, ATA_REG_NSECT); - lbal = read_atapi_register(base, ATA_REG_LBAL); - - if ((nsect == 0x55) && (lbal == 0xaa)) - return 1; /* we found a device */ - - return 0; /* nothing found */ -} - -/** - * bfin_bus_post_reset - PATA device post reset - * - * Note: Original code is ata_bus_post_reset(). - */ - -static void bfin_bus_post_reset(struct ata_port *ap, unsigned int devmask) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - unsigned int dev0 = devmask & (1 << 0); - unsigned int dev1 = devmask & (1 << 1); - long deadline; - - /* if device 0 was found in ata_devchk, wait for its - * BSY bit to clear - */ - if (dev0) - bfin_ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); - - /* if device 1 was found in ata_devchk, wait for - * register access, then wait for BSY to clear - */ - deadline = ATA_TMOUT_BOOT; - while (dev1) { - u8 nsect, lbal; - - bfin_dev_select(ap, 1); - nsect = read_atapi_register(base, ATA_REG_NSECT); - lbal = read_atapi_register(base, ATA_REG_LBAL); - if ((nsect == 1) && (lbal == 1)) - break; - if (deadline <= 0) { - dev1 = 0; - break; - } - msleep(50); /* give drive a breather */ - deadline -= 50; - } - if (dev1) - bfin_ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); - - /* is all this really necessary? */ - bfin_dev_select(ap, 0); - if (dev1) - bfin_dev_select(ap, 1); - if (dev0) - bfin_dev_select(ap, 0); -} - -/** - * bfin_bus_softreset - PATA device software reset - * - * Note: Original code is ata_bus_softreset(). - */ - -static unsigned int bfin_bus_softreset(struct ata_port *ap, - unsigned int devmask) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - - /* software reset. causes dev0 to be selected */ - write_atapi_register(base, ATA_REG_CTRL, ap->ctl_reg); - udelay(20); - write_atapi_register(base, ATA_REG_CTRL, ap->ctl_reg | ATA_SRST); - udelay(20); - write_atapi_register(base, ATA_REG_CTRL, ap->ctl_reg); - - /* spec mandates ">= 2ms" before checking status. - * We wait 150ms, because that was the magic delay used for - * ATAPI devices in Hale Landis's ATADRVR, for the period of time - * between when the ATA command register is written, and then - * status is checked. Because waiting for "a while" before - * checking status is fine, post SRST, we perform this magic - * delay here as well. - * - * Old drivers/ide uses the 2mS rule and then waits for ready - */ - msleep(150); - - /* Before we perform post reset processing we want to see if - * the bus shows 0xFF because the odd clown forgets the D7 - * pulldown resistor. - */ - if (bfin_check_status(ap) == 0xFF) - return 0; - - bfin_bus_post_reset(ap, devmask); - - return 0; -} - -/** - * bfin_softreset - reset host port via ATA SRST - * @ap: port to reset - * - * Note: Original code is ata_sff_softreset(). - */ - -static int bfin_softreset(struct ata_port *ap) -{ - unsigned int err_mask; - - ap->dev_mask = 0; - - /* determine if device 0/1 are present. - * only one device is supported on one port by now. - */ - if (bfin_devchk(ap, 0)) - ap->dev_mask |= (1 << 0); - else if (bfin_devchk(ap, 1)) - ap->dev_mask |= (1 << 1); - else - return -ENODEV; - - /* select device 0 again */ - bfin_dev_select(ap, 0); - - /* issue bus reset */ - err_mask = bfin_bus_softreset(ap, ap->dev_mask); - if (err_mask) { - printf("SRST failed (err_mask=0x%x)\n", - err_mask); - ap->dev_mask = 0; - return -EIO; - } - - return 0; -} - -/** - * bfin_irq_clear - Clear ATAPI interrupt. - * @ap: Port associated with this ATA transaction. - * - * Note: Original code is ata_sff_irq_clear(). - */ - -static void bfin_irq_clear(struct ata_port *ap) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - - ATAPI_SET_INT_STATUS(base, ATAPI_GET_INT_STATUS(base)|ATAPI_DEV_INT - | MULTI_DONE_INT | UDMAIN_DONE_INT | UDMAOUT_DONE_INT - | MULTI_TERM_INT | UDMAIN_TERM_INT | UDMAOUT_TERM_INT); -} - -static u8 bfin_wait_for_irq(struct ata_port *ap, unsigned int max) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - - do { - if (ATAPI_GET_INT_STATUS(base) & (ATAPI_DEV_INT - | MULTI_DONE_INT | UDMAIN_DONE_INT | UDMAOUT_DONE_INT - | MULTI_TERM_INT | UDMAIN_TERM_INT | UDMAOUT_TERM_INT)) { - break; - } - udelay(1000); - max--; - } while ((max > 0)); - - return max == 0; -} - -/** - * bfin_ata_reset_port - initialize BFIN ATAPI port. - */ - -static int bfin_ata_reset_port(struct ata_port *ap) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - int count; - unsigned short status; - - /* Disable all ATAPI interrupts */ - ATAPI_SET_INT_MASK(base, 0); - SSYNC(); - - /* Assert the RESET signal 25us*/ - ATAPI_SET_CONTROL(base, ATAPI_GET_CONTROL(base) | DEV_RST); - udelay(30); - - /* Negate the RESET signal for 2ms*/ - ATAPI_SET_CONTROL(base, ATAPI_GET_CONTROL(base) & ~DEV_RST); - msleep(2); - - /* Wait on Busy flag to clear */ - count = 10000000; - do { - status = read_atapi_register(base, ATA_REG_STATUS); - } while (--count && (status & ATA_BUSY)); - - /* Enable only ATAPI Device interrupt */ - ATAPI_SET_INT_MASK(base, 1); - SSYNC(); - - return !count; -} - -/** - * - * Function: bfin_config_atapi_gpio - * - * Description: Configures the ATAPI pins for use - * - */ -static int bfin_config_atapi_gpio(struct ata_port *ap) -{ - const unsigned short pins[] = { - P_ATAPI_RESET, P_ATAPI_DIOR, P_ATAPI_DIOW, P_ATAPI_CS0, - P_ATAPI_CS1, P_ATAPI_DMACK, P_ATAPI_DMARQ, P_ATAPI_INTRQ, - P_ATAPI_IORDY, P_ATAPI_D0A, P_ATAPI_D1A, P_ATAPI_D2A, - P_ATAPI_D3A, P_ATAPI_D4A, P_ATAPI_D5A, P_ATAPI_D6A, - P_ATAPI_D7A, P_ATAPI_D8A, P_ATAPI_D9A, P_ATAPI_D10A, - P_ATAPI_D11A, P_ATAPI_D12A, P_ATAPI_D13A, P_ATAPI_D14A, - P_ATAPI_D15A, P_ATAPI_A0A, P_ATAPI_A1A, P_ATAPI_A2A, 0, - }; - - peripheral_request_list(pins, "pata_bfin"); - - return 0; -} - -/** - * bfin_atapi_probe - attach a bfin atapi interface - * @pdev: platform device - * - * Register a bfin atapi interface. - * - * - * Platform devices are expected to contain 2 resources per port: - * - * - I/O Base (IORESOURCE_IO) - * - IRQ (IORESOURCE_IRQ) - * - */ -static int bfin_ata_probe_port(struct ata_port *ap) -{ - if (bfin_config_atapi_gpio(ap)) { - printf("Requesting Peripherals faild\n"); - return -EFAULT; - } - - if (bfin_ata_reset_port(ap)) { - printf("Fail to reset ATAPI device\n"); - return -EFAULT; - } - - if (ap->ata_mode >= XFER_PIO_0 && ap->ata_mode <= XFER_PIO_4) - bfin_set_piomode(ap, ap->ata_mode); - else { - printf("Given ATA data transfer mode is not supported.\n"); - return -EFAULT; - } - - return 0; -} - -#define ATA_SECTOR_WORDS (ATA_SECT_SIZE/2) - -static void bfin_ata_identify(struct ata_port *ap, int dev) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - u8 status = 0; - static u16 iobuf[ATA_SECTOR_WORDS]; - u64 n_sectors = 0; - hd_driveid_t *iop = (hd_driveid_t *)iobuf; - - memset(iobuf, 0, sizeof(iobuf)); - - if (!(ap->dev_mask & (1 << dev))) - return; - - debug("port=%d dev=%d\n", ap->port_no, dev); - - bfin_dev_select(ap, dev); - - status = 0; - /* Device Identify Command */ - write_atapi_register(base, ATA_REG_CMD, ATA_CMD_ID_ATA); - bfin_check_altstatus(ap); - udelay(10); - - status = bfin_ata_busy_wait(ap, ATA_BUSY, 1000, 0); - if (status & ATA_ERR) { - printf("\ndevice not responding\n"); - ap->dev_mask &= ~(1 << dev); - return; - } - - read_atapi_data(base, ATA_SECTOR_WORDS, iobuf); - - ata_swap_buf_le16(iobuf, ATA_SECTOR_WORDS); - - /* we require LBA and DMA support (bits 8 & 9 of word 49) */ - if (!ata_id_has_dma(iobuf) || !ata_id_has_lba(iobuf)) - printf("ata%u: no dma/lba\n", ap->port_no); - -#ifdef DEBUG - ata_dump_id(iobuf); -#endif - - n_sectors = ata_id_n_sectors(iobuf); - - if (n_sectors == 0) { - ap->dev_mask &= ~(1 << dev); - return; - } - - ata_id_c_string(iobuf, (unsigned char *)sata_dev_desc[ap->port_no].revision, - ATA_ID_FW_REV, sizeof(sata_dev_desc[ap->port_no].revision)); - ata_id_c_string(iobuf, (unsigned char *)sata_dev_desc[ap->port_no].vendor, - ATA_ID_PROD, sizeof(sata_dev_desc[ap->port_no].vendor)); - ata_id_c_string(iobuf, (unsigned char *)sata_dev_desc[ap->port_no].product, - ATA_ID_SERNO, sizeof(sata_dev_desc[ap->port_no].product)); - - if ((iop->config & 0x0080) == 0x0080) - sata_dev_desc[ap->port_no].removable = 1; - else - sata_dev_desc[ap->port_no].removable = 0; - - sata_dev_desc[ap->port_no].lba = (u32) n_sectors; - debug("lba=0x%lx\n", sata_dev_desc[ap->port_no].lba); - -#ifdef CONFIG_LBA48 - if (iop->command_set_2 & 0x0400) - sata_dev_desc[ap->port_no].lba48 = 1; - else - sata_dev_desc[ap->port_no].lba48 = 0; -#endif - - /* assuming HD */ - sata_dev_desc[ap->port_no].type = DEV_TYPE_HARDDISK; - sata_dev_desc[ap->port_no].blksz = ATA_SECT_SIZE; - sata_dev_desc[ap->port_no].log2blksz = - LOG2(sata_dev_desc[ap->port_no].blksz); - sata_dev_desc[ap->port_no].lun = 0; /* just to fill something in... */ - - printf("PATA device#%d %s is found on ata port#%d.\n", - ap->port_no%PATA_DEV_NUM_PER_PORT, - sata_dev_desc[ap->port_no].vendor, - ap->port_no/PATA_DEV_NUM_PER_PORT); -} - -static void bfin_ata_set_Feature_cmd(struct ata_port *ap, int dev) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - u8 status = 0; - - if (!(ap->dev_mask & (1 << dev))) - return; - - bfin_dev_select(ap, dev); - - write_atapi_register(base, ATA_REG_FEATURE, SETFEATURES_XFER); - write_atapi_register(base, ATA_REG_NSECT, ap->ata_mode); - write_atapi_register(base, ATA_REG_LBAL, 0); - write_atapi_register(base, ATA_REG_LBAM, 0); - write_atapi_register(base, ATA_REG_LBAH, 0); - - write_atapi_register(base, ATA_REG_DEVICE, ATA_DEVICE_OBS); - write_atapi_register(base, ATA_REG_CMD, ATA_CMD_SET_FEATURES); - - udelay(50); - msleep(150); - - status = bfin_ata_busy_wait(ap, ATA_BUSY, 5000, 0); - if ((status & (ATA_BUSY | ATA_ERR))) { - printf("Error : status 0x%02x\n", status); - ap->dev_mask &= ~(1 << dev); - } -} - -int scan_sata(int dev) -{ - /* dev is the index of each ata device in the system. one PATA port - * contains 2 devices. one element in scan_done array indicates one - * PATA port. device connected to one PATA port is selected by - * bfin_dev_select() before access. - */ - struct ata_port *ap = &port[dev]; - static int scan_done[(CONFIG_SYS_SATA_MAX_DEVICE+1)/PATA_DEV_NUM_PER_PORT]; - - if (scan_done[dev/PATA_DEV_NUM_PER_PORT]) - return 0; - - /* Check for attached device */ - if (!bfin_ata_probe_port(ap)) { - if (bfin_softreset(ap)) { - /* soft reset failed, try a hard one */ - bfin_ata_reset_port(ap); - if (bfin_softreset(ap)) - scan_done[dev/PATA_DEV_NUM_PER_PORT] = 1; - } else { - scan_done[dev/PATA_DEV_NUM_PER_PORT] = 1; - } - } - if (scan_done[dev/PATA_DEV_NUM_PER_PORT]) { - /* Probe device and set xfer mode */ - bfin_ata_identify(ap, dev%PATA_DEV_NUM_PER_PORT); - bfin_ata_set_Feature_cmd(ap, dev%PATA_DEV_NUM_PER_PORT); - part_init(&sata_dev_desc[dev]); - return 0; - } - - printf("PATA device#%d is not present on ATA port#%d.\n", - ap->port_no%PATA_DEV_NUM_PER_PORT, - ap->port_no/PATA_DEV_NUM_PER_PORT); - - return -1; -} - -int init_sata(int dev) -{ - struct ata_port *ap = &port[dev]; - static u8 init_done; - int res = 1; - - if (init_done) - return res; - - init_done = 1; - - switch (dev/PATA_DEV_NUM_PER_PORT) { - case 0: - ap->ioaddr.ctl_addr = ATAPI_CONTROL; - ap->ata_mode = CONFIG_BFIN_ATA_MODE; - break; - default: - printf("Tried to scan unknown port %d.\n", dev); - return res; - } - - if (ap->ata_mode < XFER_PIO_0 || ap->ata_mode > XFER_PIO_4) { - ap->ata_mode = XFER_PIO_4; - printf("DMA mode is not supported. Set to PIO mode 4.\n"); - } - - ap->port_no = dev; - ap->ctl_reg = 0x8; /*Default value of control reg */ - - res = 0; - return res; -} - -int reset_sata(int dev) -{ - return 0; -} - -/* Read up to 255 sectors - * - * Returns sectors read -*/ -static u8 do_one_read(struct ata_port *ap, u64 blknr, u8 blkcnt, u16 *buffer, - uchar lba48) -{ - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - u8 sr = 0; - u8 status; - u16 err = 0; - - if (!(bfin_check_status(ap) & ATA_DRDY)) { - printf("Device ata%d not ready\n", ap->port_no); - return 0; - } - - /* Set up transfer */ -#ifdef CONFIG_LBA48 - if (lba48) { - /* write high bits */ - write_atapi_register(base, ATA_REG_NSECT, 0); - write_atapi_register(base, ATA_REG_LBAL, (blknr >> 24) & 0xFF); - write_atapi_register(base, ATA_REG_LBAM, (blknr >> 32) & 0xFF); - write_atapi_register(base, ATA_REG_LBAH, (blknr >> 40) & 0xFF); - } -#endif - write_atapi_register(base, ATA_REG_NSECT, blkcnt); - write_atapi_register(base, ATA_REG_LBAL, (blknr >> 0) & 0xFF); - write_atapi_register(base, ATA_REG_LBAM, (blknr >> 8) & 0xFF); - write_atapi_register(base, ATA_REG_LBAH, (blknr >> 16) & 0xFF); - -#ifdef CONFIG_LBA48 - if (lba48) { - write_atapi_register(base, ATA_REG_DEVICE, ATA_LBA); - write_atapi_register(base, ATA_REG_CMD, ATA_CMD_PIO_READ_EXT); - } else -#endif - { - write_atapi_register(base, ATA_REG_DEVICE, ATA_LBA | ((blknr >> 24) & 0xF)); - write_atapi_register(base, ATA_REG_CMD, ATA_CMD_PIO_READ); - } - status = bfin_ata_busy_wait(ap, ATA_BUSY, 500000, 1); - - if (status & (ATA_BUSY | ATA_ERR)) { - printf("Device %d not responding status 0x%x.\n", ap->port_no, status); - err = read_atapi_register(base, ATA_REG_ERR); - printf("Error reg = 0x%x\n", err); - return sr; - } - - while (blkcnt--) { - if (bfin_wait_for_irq(ap, 500)) { - printf("ata%u irq failed\n", ap->port_no); - return sr; - } - - status = bfin_check_status(ap); - if (status & ATA_ERR) { - err = read_atapi_register(base, ATA_REG_ERR); - printf("ata%u error %d\n", ap->port_no, err); - return sr; - } - bfin_irq_clear(ap); - - /* Read one sector */ - read_atapi_data(base, ATA_SECTOR_WORDS, buffer); - buffer += ATA_SECTOR_WORDS; - sr++; - } - - return sr; -} - -ulong sata_read(int dev, ulong block, lbaint_t blkcnt, void *buff) -{ - struct ata_port *ap = &port[dev]; - ulong n = 0, sread; - u16 *buffer = (u16 *) buff; - u8 status = 0; - u64 blknr = (u64) block; - unsigned char lba48 = 0; - -#ifdef CONFIG_LBA48 - if (blknr > 0xfffffff) { - if (!sata_dev_desc[dev].lba48) { - printf("Drive doesn't support 48-bit addressing\n"); - return 0; - } - /* more than 28 bits used, use 48bit mode */ - lba48 = 1; - } -#endif - bfin_dev_select(ap, dev%PATA_DEV_NUM_PER_PORT); - - while (blkcnt > 0) { - - if (blkcnt > 255) - sread = 255; - else - sread = blkcnt; - - status = do_one_read(ap, blknr, sread, buffer, lba48); - if (status != sread) { - printf("Read failed\n"); - return n; - } - - blkcnt -= sread; - blknr += sread; - n += sread; - buffer += sread * ATA_SECTOR_WORDS; - } - return n; -} - -ulong sata_write(int dev, ulong block, lbaint_t blkcnt, const void *buff) -{ - struct ata_port *ap = &port[dev]; - void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - ulong n = 0; - u16 *buffer = (u16 *) buff; - unsigned char status = 0; - u64 blknr = (u64) block; -#ifdef CONFIG_LBA48 - unsigned char lba48 = 0; - - if (blknr > 0xfffffff) { - if (!sata_dev_desc[dev].lba48) { - printf("Drive doesn't support 48-bit addressing\n"); - return 0; - } - /* more than 28 bits used, use 48bit mode */ - lba48 = 1; - } -#endif - - bfin_dev_select(ap, dev%PATA_DEV_NUM_PER_PORT); - - while (blkcnt-- > 0) { - status = bfin_ata_busy_wait(ap, ATA_BUSY, 50000, 0); - if (status & ATA_BUSY) { - printf("ata%u failed to respond\n", ap->port_no); - return n; - } -#ifdef CONFIG_LBA48 - if (lba48) { - /* write high bits */ - write_atapi_register(base, ATA_REG_NSECT, 0); - write_atapi_register(base, ATA_REG_LBAL, - (blknr >> 24) & 0xFF); - write_atapi_register(base, ATA_REG_LBAM, - (blknr >> 32) & 0xFF); - write_atapi_register(base, ATA_REG_LBAH, - (blknr >> 40) & 0xFF); - } -#endif - write_atapi_register(base, ATA_REG_NSECT, 1); - write_atapi_register(base, ATA_REG_LBAL, (blknr >> 0) & 0xFF); - write_atapi_register(base, ATA_REG_LBAM, (blknr >> 8) & 0xFF); - write_atapi_register(base, ATA_REG_LBAH, (blknr >> 16) & 0xFF); -#ifdef CONFIG_LBA48 - if (lba48) { - write_atapi_register(base, ATA_REG_DEVICE, ATA_LBA); - write_atapi_register(base, ATA_REG_CMD, - ATA_CMD_PIO_WRITE_EXT); - } else -#endif - { - write_atapi_register(base, ATA_REG_DEVICE, - ATA_LBA | ((blknr >> 24) & 0xF)); - write_atapi_register(base, ATA_REG_CMD, - ATA_CMD_PIO_WRITE); - } - - /*may take up to 5 sec */ - status = bfin_ata_busy_wait(ap, ATA_BUSY, 50000, 0); - if ((status & (ATA_DRQ | ATA_BUSY | ATA_ERR)) != ATA_DRQ) { - printf("Error no DRQ dev %d blk %ld: sts 0x%02x\n", - ap->port_no, (ulong) blknr, status); - return n; - } - - write_atapi_data(base, ATA_SECTOR_WORDS, buffer); - bfin_check_altstatus(ap); - udelay(1); - - ++n; - ++blknr; - buffer += ATA_SECTOR_WORDS; - } - return n; -} diff --git a/drivers/block/pata_bfin.h b/drivers/block/pata_bfin.h deleted file mode 100644 index b678f60b2d..0000000000 --- a/drivers/block/pata_bfin.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Driver for Blackfin on-chip ATAPI controller. - * - * Enter bugs at http://blackfin.uclinux.org/ - * - * Copyright (c) 2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef PATA_BFIN_H -#define PATA_BFIN_H - -#include <asm/blackfin_local.h> - -struct ata_ioports { - unsigned long cmd_addr; - unsigned long data_addr; - unsigned long error_addr; - unsigned long feature_addr; - unsigned long nsect_addr; - unsigned long lbal_addr; - unsigned long lbam_addr; - unsigned long lbah_addr; - unsigned long device_addr; - unsigned long status_addr; - unsigned long command_addr; - unsigned long altstatus_addr; - unsigned long ctl_addr; - unsigned long bmdma_addr; - unsigned long scr_addr; -}; - -struct ata_port { - unsigned int port_no; /* primary=0, secondary=1 */ - struct ata_ioports ioaddr; /* ATA cmd/ctl/dma reg blks */ - unsigned long flag; - unsigned int ata_mode; - unsigned char ctl_reg; - unsigned char last_ctl; - unsigned char dev_mask; -}; - -#define DRV_NAME "pata-bfin" -#define DRV_VERSION "0.9" - -#define ATA_REG_CTRL 0x0E -#define ATA_REG_ALTSTATUS ATA_REG_CTRL -#define ATA_TMOUT_BOOT 30000 -#define ATA_TMOUT_BOOT_QUICK 7000 - -#define PATA_BFIN_WAIT_TIMEOUT 10000 -#define PATA_DEV_NUM_PER_PORT 2 - -/* These are the offset of the controller's registers */ -#define ATAPI_OFFSET_CONTROL 0x00 -#define ATAPI_OFFSET_STATUS 0x04 -#define ATAPI_OFFSET_DEV_ADDR 0x08 -#define ATAPI_OFFSET_DEV_TXBUF 0x0c -#define ATAPI_OFFSET_DEV_RXBUF 0x10 -#define ATAPI_OFFSET_INT_MASK 0x14 -#define ATAPI_OFFSET_INT_STATUS 0x18 -#define ATAPI_OFFSET_XFER_LEN 0x1c -#define ATAPI_OFFSET_LINE_STATUS 0x20 -#define ATAPI_OFFSET_SM_STATE 0x24 -#define ATAPI_OFFSET_TERMINATE 0x28 -#define ATAPI_OFFSET_PIO_TFRCNT 0x2c -#define ATAPI_OFFSET_DMA_TFRCNT 0x30 -#define ATAPI_OFFSET_UMAIN_TFRCNT 0x34 -#define ATAPI_OFFSET_UDMAOUT_TFRCNT 0x38 -#define ATAPI_OFFSET_REG_TIM_0 0x40 -#define ATAPI_OFFSET_PIO_TIM_0 0x44 -#define ATAPI_OFFSET_PIO_TIM_1 0x48 -#define ATAPI_OFFSET_MULTI_TIM_0 0x50 -#define ATAPI_OFFSET_MULTI_TIM_1 0x54 -#define ATAPI_OFFSET_MULTI_TIM_2 0x58 -#define ATAPI_OFFSET_ULTRA_TIM_0 0x60 -#define ATAPI_OFFSET_ULTRA_TIM_1 0x64 -#define ATAPI_OFFSET_ULTRA_TIM_2 0x68 -#define ATAPI_OFFSET_ULTRA_TIM_3 0x6c - - -#define ATAPI_GET_CONTROL(base)\ - bfin_read16(base + ATAPI_OFFSET_CONTROL) -#define ATAPI_SET_CONTROL(base, val)\ - bfin_write16(base + ATAPI_OFFSET_CONTROL, val) -#define ATAPI_GET_STATUS(base)\ - bfin_read16(base + ATAPI_OFFSET_STATUS) -#define ATAPI_GET_DEV_ADDR(base)\ - bfin_read16(base + ATAPI_OFFSET_DEV_ADDR) -#define ATAPI_SET_DEV_ADDR(base, val)\ - bfin_write16(base + ATAPI_OFFSET_DEV_ADDR, val) -#define ATAPI_GET_DEV_TXBUF(base)\ - bfin_read16(base + ATAPI_OFFSET_DEV_TXBUF) -#define ATAPI_SET_DEV_TXBUF(base, val)\ - bfin_write16(base + ATAPI_OFFSET_DEV_TXBUF, val) -#define ATAPI_GET_DEV_RXBUF(base)\ - bfin_read16(base + ATAPI_OFFSET_DEV_RXBUF) -#define ATAPI_SET_DEV_RXBUF(base, val)\ - bfin_write16(base + ATAPI_OFFSET_DEV_RXBUF, val) -#define ATAPI_GET_INT_MASK(base)\ - bfin_read16(base + ATAPI_OFFSET_INT_MASK) -#define ATAPI_SET_INT_MASK(base, val)\ - bfin_write16(base + ATAPI_OFFSET_INT_MASK, val) -#define ATAPI_GET_INT_STATUS(base)\ - bfin_read16(base + ATAPI_OFFSET_INT_STATUS) -#define ATAPI_SET_INT_STATUS(base, val)\ - bfin_write16(base + ATAPI_OFFSET_INT_STATUS, val) -#define ATAPI_GET_XFER_LEN(base)\ - bfin_read16(base + ATAPI_OFFSET_XFER_LEN) -#define ATAPI_SET_XFER_LEN(base, val)\ - bfin_write16(base + ATAPI_OFFSET_XFER_LEN, val) -#define ATAPI_GET_LINE_STATUS(base)\ - bfin_read16(base + ATAPI_OFFSET_LINE_STATUS) -#define ATAPI_GET_SM_STATE(base)\ - bfin_read16(base + ATAPI_OFFSET_SM_STATE) -#define ATAPI_GET_TERMINATE(base)\ - bfin_read16(base + ATAPI_OFFSET_TERMINATE) -#define ATAPI_SET_TERMINATE(base, val)\ - bfin_write16(base + ATAPI_OFFSET_TERMINATE, val) -#define ATAPI_GET_PIO_TFRCNT(base)\ - bfin_read16(base + ATAPI_OFFSET_PIO_TFRCNT) -#define ATAPI_GET_DMA_TFRCNT(base)\ - bfin_read16(base + ATAPI_OFFSET_DMA_TFRCNT) -#define ATAPI_GET_UMAIN_TFRCNT(base)\ - bfin_read16(base + ATAPI_OFFSET_UMAIN_TFRCNT) -#define ATAPI_GET_UDMAOUT_TFRCNT(base)\ - bfin_read16(base + ATAPI_OFFSET_UDMAOUT_TFRCNT) -#define ATAPI_GET_REG_TIM_0(base)\ - bfin_read16(base + ATAPI_OFFSET_REG_TIM_0) -#define ATAPI_SET_REG_TIM_0(base, val)\ - bfin_write16(base + ATAPI_OFFSET_REG_TIM_0, val) -#define ATAPI_GET_PIO_TIM_0(base)\ - bfin_read16(base + ATAPI_OFFSET_PIO_TIM_0) -#define ATAPI_SET_PIO_TIM_0(base, val)\ - bfin_write16(base + ATAPI_OFFSET_PIO_TIM_0, val) -#define ATAPI_GET_PIO_TIM_1(base)\ - bfin_read16(base + ATAPI_OFFSET_PIO_TIM_1) -#define ATAPI_SET_PIO_TIM_1(base, val)\ - bfin_write16(base + ATAPI_OFFSET_PIO_TIM_1, val) -#define ATAPI_GET_MULTI_TIM_0(base)\ - bfin_read16(base + ATAPI_OFFSET_MULTI_TIM_0) -#define ATAPI_SET_MULTI_TIM_0(base, val)\ - bfin_write16(base + ATAPI_OFFSET_MULTI_TIM_0, val) -#define ATAPI_GET_MULTI_TIM_1(base)\ - bfin_read16(base + ATAPI_OFFSET_MULTI_TIM_1) -#define ATAPI_SET_MULTI_TIM_1(base, val)\ - bfin_write16(base + ATAPI_OFFSET_MULTI_TIM_1, val) -#define ATAPI_GET_MULTI_TIM_2(base)\ - bfin_read16(base + ATAPI_OFFSET_MULTI_TIM_2) -#define ATAPI_SET_MULTI_TIM_2(base, val)\ - bfin_write16(base + ATAPI_OFFSET_MULTI_TIM_2, val) -#define ATAPI_GET_ULTRA_TIM_0(base)\ - bfin_read16(base + ATAPI_OFFSET_ULTRA_TIM_0) -#define ATAPI_SET_ULTRA_TIM_0(base, val)\ - bfin_write16(base + ATAPI_OFFSET_ULTRA_TIM_0, val) -#define ATAPI_GET_ULTRA_TIM_1(base)\ - bfin_read16(base + ATAPI_OFFSET_ULTRA_TIM_1) -#define ATAPI_SET_ULTRA_TIM_1(base, val)\ - bfin_write16(base + ATAPI_OFFSET_ULTRA_TIM_1, val) -#define ATAPI_GET_ULTRA_TIM_2(base)\ - bfin_read16(base + ATAPI_OFFSET_ULTRA_TIM_2) -#define ATAPI_SET_ULTRA_TIM_2(base, val)\ - bfin_write16(base + ATAPI_OFFSET_ULTRA_TIM_2, val) -#define ATAPI_GET_ULTRA_TIM_3(base)\ - bfin_read16(base + ATAPI_OFFSET_ULTRA_TIM_3) -#define ATAPI_SET_ULTRA_TIM_3(base, val)\ - bfin_write16(base + ATAPI_OFFSET_ULTRA_TIM_3, val) - -#endif diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index a61a9e9ca6..de91f1423b 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -14,7 +14,6 @@ obj-$(CONFIG_GENERIC_MMC) += mmc_legacy.o endif obj-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o -obj-$(CONFIG_BFIN_SDH) += bfin_sdh.o obj-$(CONFIG_MMC_DAVINCI) += davinci_mmc.o obj-$(CONFIG_MMC_DW) += dw_mmc.o diff --git a/drivers/mmc/bfin_sdh.c b/drivers/mmc/bfin_sdh.c deleted file mode 100644 index 1627dca3a1..0000000000 --- a/drivers/mmc/bfin_sdh.c +++ /dev/null @@ -1,306 +0,0 @@ -/* - * Driver for Blackfin on-chip SDH controller - * - * Copyright (c) 2008-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <malloc.h> -#include <part.h> -#include <mmc.h> - -#include <asm/io.h> -#include <linux/errno.h> -#include <asm/byteorder.h> -#include <asm/blackfin.h> -#include <asm/clock.h> -#include <asm/portmux.h> -#include <asm/mach-common/bits/sdh.h> -#include <asm/mach-common/bits/dma.h> - -#if defined(__ADSPBF50x__) || defined(__ADSPBF51x__) || defined(__ADSPBF60x__) -# define bfin_read_SDH_CLK_CTL bfin_read_RSI_CLK_CONTROL -# define bfin_write_SDH_CLK_CTL bfin_write_RSI_CLK_CONTROL -# define bfin_write_SDH_ARGUMENT bfin_write_RSI_ARGUMENT -# define bfin_write_SDH_COMMAND bfin_write_RSI_COMMAND -# define bfin_read_SDH_RESPONSE0 bfin_read_RSI_RESPONSE0 -# define bfin_read_SDH_RESPONSE1 bfin_read_RSI_RESPONSE1 -# define bfin_read_SDH_RESPONSE2 bfin_read_RSI_RESPONSE2 -# define bfin_read_SDH_RESPONSE3 bfin_read_RSI_RESPONSE3 -# define bfin_write_SDH_DATA_TIMER bfin_write_RSI_DATA_TIMER -# define bfin_write_SDH_DATA_LGTH bfin_write_RSI_DATA_LGTH -# define bfin_read_SDH_DATA_CTL bfin_read_RSI_DATA_CONTROL -# define bfin_write_SDH_DATA_CTL bfin_write_RSI_DATA_CONTROL -# define bfin_read_SDH_STATUS bfin_read_RSI_STATUS -# define bfin_write_SDH_STATUS_CLR bfin_write_RSI_STATUSCL -# define bfin_read_SDH_CFG bfin_read_RSI_CONFIG -# define bfin_write_SDH_CFG bfin_write_RSI_CONFIG -# if defined(__ADSPBF60x__) -# define bfin_read_SDH_BLK_SIZE bfin_read_RSI_BLKSZ -# define bfin_write_SDH_BLK_SIZE bfin_write_RSI_BLKSZ -# define bfin_write_DMA_START_ADDR bfin_write_DMA10_START_ADDR -# define bfin_write_DMA_X_COUNT bfin_write_DMA10_X_COUNT -# define bfin_write_DMA_X_MODIFY bfin_write_DMA10_X_MODIFY -# define bfin_write_DMA_CONFIG bfin_write_DMA10_CONFIG -# else -# define bfin_read_SDH_PWR_CTL bfin_read_RSI_PWR_CONTROL -# define bfin_write_SDH_PWR_CTL bfin_write_RSI_PWR_CONTROL -# define bfin_write_DMA_START_ADDR bfin_write_DMA4_START_ADDR -# define bfin_write_DMA_X_COUNT bfin_write_DMA4_X_COUNT -# define bfin_write_DMA_X_MODIFY bfin_write_DMA4_X_MODIFY -# define bfin_write_DMA_CONFIG bfin_write_DMA4_CONFIG -# endif -# define PORTMUX_PINS \ - { P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0 } -#elif defined(__ADSPBF54x__) -# define bfin_write_DMA_START_ADDR bfin_write_DMA22_START_ADDR -# define bfin_write_DMA_X_COUNT bfin_write_DMA22_X_COUNT -# define bfin_write_DMA_X_MODIFY bfin_write_DMA22_X_MODIFY -# define bfin_write_DMA_CONFIG bfin_write_DMA22_CONFIG -# define PORTMUX_PINS \ - { P_SD_D0, P_SD_D1, P_SD_D2, P_SD_D3, P_SD_CLK, P_SD_CMD, 0 } -#else -# error no support for this proc yet -#endif - -static int -sdh_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd) -{ - unsigned int status, timeout; - int cmd = mmc_cmd->cmdidx; - int flags = mmc_cmd->resp_type; - int arg = mmc_cmd->cmdarg; - int ret; - u16 sdh_cmd; - - sdh_cmd = cmd | CMD_E; - if (flags & MMC_RSP_PRESENT) - sdh_cmd |= CMD_RSP; - if (flags & MMC_RSP_136) - sdh_cmd |= CMD_L_RSP; -#ifdef RSI_BLKSZ - sdh_cmd |= CMD_DATA0_BUSY; -#endif - - bfin_write_SDH_ARGUMENT(arg); - bfin_write_SDH_COMMAND(sdh_cmd); - - /* wait for a while */ - timeout = 0; - do { - if (++timeout > 1000000) { - status = CMD_TIME_OUT; - break; - } - udelay(1); - status = bfin_read_SDH_STATUS(); - } while (!(status & (CMD_SENT | CMD_RESP_END | CMD_TIME_OUT | - CMD_CRC_FAIL))); - - if (flags & MMC_RSP_PRESENT) { - mmc_cmd->response[0] = bfin_read_SDH_RESPONSE0(); - if (flags & MMC_RSP_136) { - mmc_cmd->response[1] = bfin_read_SDH_RESPONSE1(); - mmc_cmd->response[2] = bfin_read_SDH_RESPONSE2(); - mmc_cmd->response[3] = bfin_read_SDH_RESPONSE3(); - } - } - - if (status & CMD_TIME_OUT) - ret = -ETIMEDOUT; - else if (status & CMD_CRC_FAIL && flags & MMC_RSP_CRC) - ret = -ECOMM; - else - ret = 0; - - bfin_write_SDH_STATUS_CLR(CMD_SENT_STAT | CMD_RESP_END_STAT | - CMD_TIMEOUT_STAT | CMD_CRC_FAIL_STAT); -#ifdef RSI_BLKSZ - /* wait till card ready */ - while (!(bfin_read_RSI_ESTAT() & SD_CARD_READY)) - continue; - bfin_write_RSI_ESTAT(SD_CARD_READY); -#endif - - return ret; -} - -/* set data for single block transfer */ -static int sdh_setup_data(struct mmc *mmc, struct mmc_data *data) -{ - u16 data_ctl = 0; - u16 dma_cfg = 0; - unsigned long data_size = data->blocksize * data->blocks; - - /* Don't support write yet. */ - if (data->flags & MMC_DATA_WRITE) - return -EOPNOTSUPP; -#ifndef RSI_BLKSZ - data_ctl |= ((ffs(data->blocksize) - 1) << 4); -#else - bfin_write_SDH_BLK_SIZE(data->blocksize); -#endif - data_ctl |= DTX_DIR; - bfin_write_SDH_DATA_CTL(data_ctl); - dma_cfg = WDSIZE_32 | PSIZE_32 | RESTART | WNR | DMAEN; - - bfin_write_SDH_DATA_TIMER(-1); - - blackfin_dcache_flush_invalidate_range(data->dest, - data->dest + data_size); - /* configure DMA */ - bfin_write_DMA_START_ADDR(data->dest); - bfin_write_DMA_X_COUNT(data_size / 4); - bfin_write_DMA_X_MODIFY(4); - bfin_write_DMA_CONFIG(dma_cfg); - bfin_write_SDH_DATA_LGTH(data_size); - /* kick off transfer */ - bfin_write_SDH_DATA_CTL(bfin_read_SDH_DATA_CTL() | DTX_DMA_E | DTX_E); - - return 0; -} - - -static int bfin_sdh_request(struct mmc *mmc, struct mmc_cmd *cmd, - struct mmc_data *data) -{ - u32 status; - int ret = 0; - - if (data) { - ret = sdh_setup_data(mmc, data); - if (ret) - return ret; - } - - ret = sdh_send_cmd(mmc, cmd); - if (ret) { - bfin_write_SDH_COMMAND(0); - bfin_write_DMA_CONFIG(0); - bfin_write_SDH_DATA_CTL(0); - SSYNC(); - printf("sending CMD%d failed\n", cmd->cmdidx); - return ret; - } - - if (data) { - do { - udelay(1); - status = bfin_read_SDH_STATUS(); - } while (!(status & (DAT_END | DAT_TIME_OUT | DAT_CRC_FAIL | - RX_OVERRUN))); - - if (status & DAT_TIME_OUT) { - bfin_write_SDH_STATUS_CLR(DAT_TIMEOUT_STAT); - ret = -ETIMEDOUT; - } else if (status & (DAT_CRC_FAIL | RX_OVERRUN)) { - bfin_write_SDH_STATUS_CLR(DAT_CRC_FAIL_STAT | RX_OVERRUN_STAT); - ret = -ECOMM; - } else - bfin_write_SDH_STATUS_CLR(DAT_BLK_END_STAT | DAT_END_STAT); - - if (ret) { - printf("tranfering data failed\n"); - return ret; - } - } - return 0; -} - -static void sdh_set_clk(unsigned long clk) -{ - unsigned long sys_clk; - unsigned long clk_div; - u16 clk_ctl = 0; - - clk_ctl = bfin_read_SDH_CLK_CTL(); - if (clk) { - /* setting SD_CLK */ - sys_clk = get_sclk(); - bfin_write_SDH_CLK_CTL(clk_ctl & ~CLK_E); - if (sys_clk % (2 * clk) == 0) - clk_div = sys_clk / (2 * clk) - 1; - else - clk_div = sys_clk / (2 * clk); - - if (clk_div > 0xff) - clk_div = 0xff; - clk_ctl |= (clk_div & 0xff); - clk_ctl |= CLK_E; - bfin_write_SDH_CLK_CTL(clk_ctl); - } else - bfin_write_SDH_CLK_CTL(clk_ctl & ~CLK_E); -} - -static int bfin_sdh_set_ios(struct mmc *mmc) -{ - u16 cfg = 0; - u16 clk_ctl = 0; - - if (mmc->bus_width == 4) { - cfg = bfin_read_SDH_CFG(); -#ifndef RSI_BLKSZ - cfg &= ~PD_SDDAT3; -#endif - cfg |= PUP_SDDAT3; - bfin_write_SDH_CFG(cfg); - clk_ctl |= WIDE_BUS_4; - } - bfin_write_SDH_CLK_CTL(clk_ctl); - sdh_set_clk(mmc->clock); - - return 0; -} - -static int bfin_sdh_init(struct mmc *mmc) -{ - const unsigned short pins[] = PORTMUX_PINS; - int ret; - - /* Initialize sdh controller */ - ret = peripheral_request_list(pins, "bfin_sdh"); - if (ret < 0) - return ret; -#if defined(__ADSPBF54x__) - bfin_write_DMAC1_PERIMUX(bfin_read_DMAC1_PERIMUX() | 0x1); -#endif - bfin_write_SDH_CFG(bfin_read_SDH_CFG() | CLKS_EN); - /* Disable card detect pin */ - bfin_write_SDH_CFG((bfin_read_SDH_CFG() & 0x1F) | 0x60); -#ifndef RSI_BLKSZ - bfin_write_SDH_PWR_CTL(PWR_ON | ROD_CTL); -#else - bfin_write_SDH_CFG(bfin_read_SDH_CFG() | PWR_ON); -#endif - return 0; -} - -static const struct mmc_ops bfin_mmc_ops = { - .send_cmd = bfin_sdh_request, - .set_ios = bfin_sdh_set_ios, - .init = bfin_sdh_init, -}; - -static struct mmc_config bfin_mmc_cfg = { - .name = "Blackfin SDH", - .ops = &bfin_mmc_ops, - .host_caps = MMC_MODE_4BIT, - .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, - .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, -}; - -int bfin_mmc_init(bd_t *bis) -{ - struct mmc *mmc; - - bfin_mmc_cfg.f_max = get_sclk(); - bfin_mmc_cfg.f_min = bfin_mmc_cfg.f_max >> 9; - - mmc = mmc_create(&bfin_mmc_cfg, NULL); - if (mmc == NULL) - return -1; - - return 0; -} diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index fd4bb66f50..82358f674b 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -42,7 +42,6 @@ obj-$(CONFIG_NAND_ECC_BCH) += nand_bch.o obj-$(CONFIG_NAND_ATMEL) += atmel_nand.o obj-$(CONFIG_NAND_ARASAN) += arasan_nfc.o -obj-$(CONFIG_DRIVER_NAND_BFIN) += bfin_nand.o obj-$(CONFIG_NAND_DAVINCI) += davinci_nand.o obj-$(CONFIG_NAND_DENALI) += denali.o obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o diff --git a/drivers/mtd/nand/bfin_nand.c b/drivers/mtd/nand/bfin_nand.c deleted file mode 100644 index 7c11868cd3..0000000000 --- a/drivers/mtd/nand/bfin_nand.c +++ /dev/null @@ -1,394 +0,0 @@ -/* - * Driver for Blackfin on-chip NAND controller. - * - * Enter bugs at http://blackfin.uclinux.org/ - * - * Copyright (c) 2007-2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -/* TODO: - * - move bit defines into mach-common/bits/nand.h - * - try and replace all IRQSTAT usage with STAT polling - * - have software ecc mode use same algo as hw ecc ? - */ - -#include <common.h> -#include <console.h> -#include <asm/io.h> - -#ifdef DEBUG -# define pr_stamp() printf("%s:%s:%i: here i am\n", __FILE__, __func__, __LINE__) -#else -# define pr_stamp() -#endif - -#include <nand.h> - -#include <asm/blackfin.h> -#include <asm/portmux.h> - -/* Bit masks for NFC_CTL */ - -#define WR_DLY 0xf /* Write Strobe Delay */ -#define RD_DLY 0xf0 /* Read Strobe Delay */ -#define NWIDTH 0x100 /* NAND Data Width */ -#define PG_SIZE 0x200 /* Page Size */ - -/* Bit masks for NFC_STAT */ - -#define NBUSY 0x1 /* Not Busy */ -#define WB_FULL 0x2 /* Write Buffer Full */ -#define PG_WR_STAT 0x4 /* Page Write Pending */ -#define PG_RD_STAT 0x8 /* Page Read Pending */ -#define WB_EMPTY 0x10 /* Write Buffer Empty */ - -/* Bit masks for NFC_IRQSTAT */ - -#define NBUSYIRQ 0x1 /* Not Busy IRQ */ -#define WB_OVF 0x2 /* Write Buffer Overflow */ -#define WB_EDGE 0x4 /* Write Buffer Edge Detect */ -#define RD_RDY 0x8 /* Read Data Ready */ -#define WR_DONE 0x10 /* Page Write Done */ - -#define NAND_IS_512() (CONFIG_BFIN_NFC_CTL_VAL & 0x200) - -/* - * hardware specific access to control-lines - */ -static void bfin_nfc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - pr_stamp(); - - if (cmd == NAND_CMD_NONE) - return; - - while (bfin_read_NFC_STAT() & WB_FULL) - continue; - - if (ctrl & NAND_CLE) - bfin_write_NFC_CMD(cmd); - else - bfin_write_NFC_ADDR(cmd); - SSYNC(); -} - -static int bfin_nfc_devready(struct mtd_info *mtd) -{ - pr_stamp(); - return (bfin_read_NFC_STAT() & NBUSY) ? 1 : 0; -} - -/* - * PIO mode for buffer writing and reading - */ -static void bfin_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) -{ - pr_stamp(); - - int i; - - /* - * Data reads are requested by first writing to NFC_DATA_RD - * and then reading back from NFC_READ. - */ - for (i = 0; i < len; ++i) { - while (bfin_read_NFC_STAT() & WB_FULL) - if (ctrlc()) - return; - - /* Contents do not matter */ - bfin_write_NFC_DATA_RD(0x0000); - SSYNC(); - - while (!(bfin_read_NFC_IRQSTAT() & RD_RDY)) - if (ctrlc()) - return; - - buf[i] = bfin_read_NFC_READ(); - - bfin_write_NFC_IRQSTAT(RD_RDY); - } -} - -static uint8_t bfin_nfc_read_byte(struct mtd_info *mtd) -{ - pr_stamp(); - - uint8_t val; - bfin_nfc_read_buf(mtd, &val, 1); - return val; -} - -static void bfin_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) -{ - pr_stamp(); - - int i; - - for (i = 0; i < len; ++i) { - while (bfin_read_NFC_STAT() & WB_FULL) - if (ctrlc()) - return; - - bfin_write_NFC_DATA_WR(buf[i]); - } - - /* Wait for the buffer to drain before we return */ - while (!(bfin_read_NFC_STAT() & WB_EMPTY)) - if (ctrlc()) - return; -} - -/* - * ECC functions - * These allow the bfin to use the controller's ECC - * generator block to ECC the data as it passes through - */ - -/* - * ECC error correction function - */ -static int bfin_nfc_correct_data_256(struct mtd_info *mtd, u_char *dat, - u_char *read_ecc, u_char *calc_ecc) -{ - u32 syndrome[5]; - u32 calced, stored; - unsigned short failing_bit, failing_byte; - u_char data; - - pr_stamp(); - - calced = calc_ecc[0] | (calc_ecc[1] << 8) | (calc_ecc[2] << 16); - stored = read_ecc[0] | (read_ecc[1] << 8) | (read_ecc[2] << 16); - - syndrome[0] = (calced ^ stored); - - /* - * syndrome 0: all zero - * No error in data - * No action - */ - if (!syndrome[0] || !calced || !stored) - return 0; - - /* - * sysdrome 0: only one bit is one - * ECC data was incorrect - * No action - */ - if (hweight32(syndrome[0]) == 1) - return 1; - - syndrome[1] = (calced & 0x7FF) ^ (stored & 0x7FF); - syndrome[2] = (calced & 0x7FF) ^ ((calced >> 11) & 0x7FF); - syndrome[3] = (stored & 0x7FF) ^ ((stored >> 11) & 0x7FF); - syndrome[4] = syndrome[2] ^ syndrome[3]; - - /* - * sysdrome 0: exactly 11 bits are one, each parity - * and parity' pair is 1 & 0 or 0 & 1. - * 1-bit correctable error - * Correct the error - */ - if (hweight32(syndrome[0]) == 11 && syndrome[4] == 0x7FF) { - failing_bit = syndrome[1] & 0x7; - failing_byte = syndrome[1] >> 0x3; - data = *(dat + failing_byte); - data = data ^ (0x1 << failing_bit); - *(dat + failing_byte) = data; - - return 0; - } - - /* - * sysdrome 0: random data - * More than 1-bit error, non-correctable error - * Discard data, mark bad block - */ - - return 1; -} - -static int bfin_nfc_correct_data(struct mtd_info *mtd, u_char *dat, - u_char *read_ecc, u_char *calc_ecc) -{ - int ret; - - pr_stamp(); - - ret = bfin_nfc_correct_data_256(mtd, dat, read_ecc, calc_ecc); - - /* If page size is 512, correct second 256 bytes */ - if (NAND_IS_512()) { - dat += 256; - read_ecc += 8; - calc_ecc += 8; - ret |= bfin_nfc_correct_data_256(mtd, dat, read_ecc, calc_ecc); - } - - return ret; -} - -static void reset_ecc(void) -{ - bfin_write_NFC_RST(0x1); - while (bfin_read_NFC_RST() & 1) - continue; -} - -static void bfin_nfc_enable_hwecc(struct mtd_info *mtd, int mode) -{ - reset_ecc(); -} - -static int bfin_nfc_calculate_ecc(struct mtd_info *mtd, - const u_char *dat, u_char *ecc_code) -{ - u16 ecc0, ecc1; - u32 code[2]; - u8 *p; - - pr_stamp(); - - /* first 4 bytes ECC code for 256 page size */ - ecc0 = bfin_read_NFC_ECC0(); - ecc1 = bfin_read_NFC_ECC1(); - - code[0] = (ecc0 & 0x7FF) | ((ecc1 & 0x7FF) << 11); - - /* first 3 bytes in ecc_code for 256 page size */ - p = (u8 *) code; - memcpy(ecc_code, p, 3); - - /* second 4 bytes ECC code for 512 page size */ - if (NAND_IS_512()) { - ecc0 = bfin_read_NFC_ECC2(); - ecc1 = bfin_read_NFC_ECC3(); - code[1] = (ecc0 & 0x7FF) | ((ecc1 & 0x7FF) << 11); - - /* second 3 bytes in ecc_code for second 256 - * bytes of 512 page size - */ - p = (u8 *) (code + 1); - memcpy((ecc_code + 3), p, 3); - } - - reset_ecc(); - - return 0; -} - -#ifdef CONFIG_BFIN_NFC_BOOTROM_ECC -# define BOOTROM_ECC 1 -#else -# define BOOTROM_ECC 0 -#endif - -static uint8_t bbt_pattern[] = { 0xff }; - -static struct nand_bbt_descr bootrom_bbt = { - .options = 0, - .offs = 63, - .len = 1, - .pattern = bbt_pattern, -}; - -static struct nand_ecclayout bootrom_ecclayout = { - .eccbytes = 24, - .eccpos = { - 0x8 * 0, 0x8 * 0 + 1, 0x8 * 0 + 2, - 0x8 * 1, 0x8 * 1 + 1, 0x8 * 1 + 2, - 0x8 * 2, 0x8 * 2 + 1, 0x8 * 2 + 2, - 0x8 * 3, 0x8 * 3 + 1, 0x8 * 3 + 2, - 0x8 * 4, 0x8 * 4 + 1, 0x8 * 4 + 2, - 0x8 * 5, 0x8 * 5 + 1, 0x8 * 5 + 2, - 0x8 * 6, 0x8 * 6 + 1, 0x8 * 6 + 2, - 0x8 * 7, 0x8 * 7 + 1, 0x8 * 7 + 2 - }, - .oobfree = { - { 0x8 * 0 + 3, 5 }, - { 0x8 * 1 + 3, 5 }, - { 0x8 * 2 + 3, 5 }, - { 0x8 * 3 + 3, 5 }, - { 0x8 * 4 + 3, 5 }, - { 0x8 * 5 + 3, 5 }, - { 0x8 * 6 + 3, 5 }, - { 0x8 * 7 + 3, 5 }, - } -}; - -/* - * Board-specific NAND initialization. The following members of the - * argument are board-specific (per include/linux/mtd/nand.h): - * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device - * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device - * - cmd_ctrl: hardwarespecific function for accesing control-lines - * - dev_ready: hardwarespecific function for accesing device ready/busy line - * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must - * only be provided if a hardware ECC is available - * - ecc.mode: mode of ecc, see defines - * - chip_delay: chip dependent delay for transfering data from array to - * read regs (tR) - * - options: various chip options. They can partly be set to inform - * nand_scan about special functionality. See the defines for further - * explanation - * Members with a "?" were not set in the merged testing-NAND branch, - * so they are not set here either. - */ -int board_nand_init(struct nand_chip *chip) -{ - const unsigned short pins[] = { - P_NAND_CE, P_NAND_RB, P_NAND_D0, P_NAND_D1, P_NAND_D2, - P_NAND_D3, P_NAND_D4, P_NAND_D5, P_NAND_D6, P_NAND_D7, - P_NAND_WE, P_NAND_RE, P_NAND_CLE, P_NAND_ALE, 0, - }; - - pr_stamp(); - - /* set width/ecc/timings/etc... */ - bfin_write_NFC_CTL(CONFIG_BFIN_NFC_CTL_VAL); - - /* clear interrupt status */ - bfin_write_NFC_IRQMASK(0x0); - bfin_write_NFC_IRQSTAT(0xffff); - - /* enable GPIO function enable register */ - peripheral_request_list(pins, "bfin_nand"); - - chip->cmd_ctrl = bfin_nfc_cmd_ctrl; - chip->read_buf = bfin_nfc_read_buf; - chip->write_buf = bfin_nfc_write_buf; - chip->read_byte = bfin_nfc_read_byte; - -#ifdef CONFIG_BFIN_NFC_NO_HW_ECC -# define ECC_HW 0 -#else -# define ECC_HW 1 -#endif - if (ECC_HW) { - if (BOOTROM_ECC) { - chip->badblock_pattern = &bootrom_bbt; - chip->ecc.layout = &bootrom_ecclayout; - } - if (!NAND_IS_512()) { - chip->ecc.bytes = 3; - chip->ecc.size = 256; - chip->ecc.strength = 1; - } else { - chip->ecc.bytes = 6; - chip->ecc.size = 512; - chip->ecc.strength = 2; - } - chip->ecc.mode = NAND_ECC_HW; - chip->ecc.calculate = bfin_nfc_calculate_ecc; - chip->ecc.correct = bfin_nfc_correct_data; - chip->ecc.hwctl = bfin_nfc_enable_hwecc; - } else - chip->ecc.mode = NAND_ECC_SOFT; - chip->dev_ready = bfin_nfc_devready; - chip->chip_delay = 0; - - return 0; -} diff --git a/drivers/net/Makefile b/drivers/net/Makefile index ac7e07bfdf..aedb2cc90d 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_DRIVER_AT91EMAC) += at91_emac.o obj-$(CONFIG_DRIVER_AX88180) += ax88180.o obj-$(CONFIG_BCM_SF2_ETH) += bcm-sf2-eth.o obj-$(CONFIG_BCM_SF2_ETH_GMAC) += bcm-sf2-eth-gmac.o -obj-$(CONFIG_BFIN_MAC) += bfin_mac.o obj-$(CONFIG_CALXEDA_XGMAC) += calxedaxgmac.o obj-$(CONFIG_CS8900) += cs8900.o obj-$(CONFIG_TULIP) += dc2114x.o diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c deleted file mode 100644 index 26a626b4cb..0000000000 --- a/drivers/net/bfin_mac.c +++ /dev/null @@ -1,519 +0,0 @@ -/* - * Driver for Blackfin On-Chip MAC device - * - * Copyright (c) 2005-2008 Analog Device, Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <config.h> -#include <net.h> -#include <netdev.h> -#include <command.h> -#include <malloc.h> -#include <miiphy.h> -#include <linux/mdio.h> -#include <linux/mii.h> - -#include <asm/blackfin.h> -#include <asm/clock.h> -#include <asm/portmux.h> -#include <asm/mach-common/bits/dma.h> -#include <asm/mach-common/bits/emac.h> -#include <asm/mach-common/bits/pll.h> - -#include "bfin_mac.h" - -#ifndef CONFIG_PHY_ADDR -# define CONFIG_PHY_ADDR 1 -#endif -#ifndef CONFIG_PHY_CLOCK_FREQ -# define CONFIG_PHY_CLOCK_FREQ 2500000 -#endif - -#ifdef CONFIG_POST -#include <post.h> -#endif - -#define RXBUF_BASE_ADDR 0xFF900000 -#define TXBUF_BASE_ADDR 0xFF800000 -#define TX_BUF_CNT 1 - -#define TOUT_LOOP 1000000 - -static ADI_ETHER_BUFFER *txbuf[TX_BUF_CNT]; -static ADI_ETHER_BUFFER *rxbuf[PKTBUFSRX]; -static u16 txIdx; /* index of the current RX buffer */ -static u16 rxIdx; /* index of the current TX buffer */ - -/* DMAx_CONFIG values at DMA Restart */ -static const union { - u16 data; - ADI_DMA_CONFIG_REG reg; -} txdmacfg = { - .reg = { - .b_DMA_EN = 1, /* enabled */ - .b_WNR = 0, /* read from memory */ - .b_WDSIZE = 2, /* wordsize is 32 bits */ - .b_DMA2D = 0, - .b_RESTART = 0, - .b_DI_SEL = 0, - .b_DI_EN = 0, /* no interrupt */ - .b_NDSIZE = 5, /* 5 half words is desc size */ - .b_FLOW = 7 /* large desc flow */ - }, -}; - -static int bfin_miiphy_wait(void) -{ - /* poll the STABUSY bit */ - while (bfin_read_EMAC_STAADD() & STABUSY) - continue; - return 0; -} - -static int bfin_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg) -{ - ushort val = 0; - if (bfin_miiphy_wait()) - return 1; - bfin_write_EMAC_STAADD(SET_PHYAD(addr) | SET_REGAD(reg) | STABUSY); - if (bfin_miiphy_wait()) - return 1; - val = bfin_read_EMAC_STADAT(); - return val; -} - -static int bfin_miiphy_write(struct mii_dev *bus, int addr, int devad, - int reg, u16 val) -{ - if (bfin_miiphy_wait()) - return 1; - bfin_write_EMAC_STADAT(val); - bfin_write_EMAC_STAADD(SET_PHYAD(addr) | SET_REGAD(reg) | STAOP | STABUSY); - return 0; -} - -int bfin_EMAC_initialize(bd_t *bis) -{ - struct eth_device *dev; - dev = malloc(sizeof(*dev)); - if (dev == NULL) - hang(); - - memset(dev, 0, sizeof(*dev)); - strcpy(dev->name, "bfin_mac"); - - dev->iobase = 0; - dev->priv = 0; - dev->init = bfin_EMAC_init; - dev->halt = bfin_EMAC_halt; - dev->send = bfin_EMAC_send; - dev->recv = bfin_EMAC_recv; - dev->write_hwaddr = bfin_EMAC_setup_addr; - - eth_register(dev); - -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) - int retval; - struct mii_dev *mdiodev = mdio_alloc(); - if (!mdiodev) - return -ENOMEM; - strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN); - mdiodev->read = bfin_miiphy_read; - mdiodev->write = bfin_miiphy_write; - - retval = mdio_register(mdiodev); - if (retval < 0) - return retval; - - dev->priv = mdiodev; -#endif - - return 0; -} - -static int bfin_EMAC_send(struct eth_device *dev, void *packet, int length) -{ - int i; - int result = 0; - - if (length <= 0) { - printf("Ethernet: bad packet size: %d\n", length); - goto out; - } - - if (bfin_read_DMA2_IRQ_STATUS() & DMA_ERR) { - printf("Ethernet: tx DMA error\n"); - goto out; - } - - for (i = 0; (bfin_read_DMA2_IRQ_STATUS() & DMA_RUN); ++i) { - if (i > TOUT_LOOP) { - puts("Ethernet: tx time out\n"); - goto out; - } - } - txbuf[txIdx]->FrmData->NoBytes = length; - memcpy(txbuf[txIdx]->FrmData->Dest, (void *)packet, length); - txbuf[txIdx]->Dma[0].START_ADDR = (u32) txbuf[txIdx]->FrmData; - bfin_write_DMA2_NEXT_DESC_PTR(txbuf[txIdx]->Dma); - bfin_write_DMA2_CONFIG(txdmacfg.data); - bfin_write_EMAC_OPMODE(bfin_read_EMAC_OPMODE() | TE); - - for (i = 0; (txbuf[txIdx]->StatusWord & TX_COMP) == 0; i++) { - if (i > TOUT_LOOP) { - puts("Ethernet: tx error\n"); - goto out; - } - } - result = txbuf[txIdx]->StatusWord; - txbuf[txIdx]->StatusWord = 0; - if ((txIdx + 1) >= TX_BUF_CNT) - txIdx = 0; - else - txIdx++; - out: - debug("BFIN EMAC send: length = %d\n", length); - return result; -} - -static int bfin_EMAC_recv(struct eth_device *dev) -{ - int length = 0; - - for (;;) { - if ((rxbuf[rxIdx]->StatusWord & RX_COMP) == 0) { - length = -1; - break; - } - if ((rxbuf[rxIdx]->StatusWord & RX_DMAO) != 0) { - printf("Ethernet: rx dma overrun\n"); - break; - } - if ((rxbuf[rxIdx]->StatusWord & RX_OK) == 0) { - printf("Ethernet: rx error\n"); - break; - } - length = rxbuf[rxIdx]->StatusWord & 0x000007FF; - if (length <= 4) { - printf("Ethernet: bad frame\n"); - break; - } - - debug("%s: len = %d\n", __func__, length - 4); - - net_rx_packets[rxIdx] = rxbuf[rxIdx]->FrmData->Dest; - net_process_received_packet(net_rx_packets[rxIdx], length - 4); - bfin_write_DMA1_IRQ_STATUS(DMA_DONE | DMA_ERR); - rxbuf[rxIdx]->StatusWord = 0x00000000; - if ((rxIdx + 1) >= PKTBUFSRX) - rxIdx = 0; - else - rxIdx++; - } - - return length; -} - -/************************************************************** - * - * Ethernet Initialization Routine - * - *************************************************************/ - -/* MDC = SCLK / MDC_freq / 2 - 1 */ -#define MDC_FREQ_TO_DIV(mdc_freq) (get_sclk() / (mdc_freq) / 2 - 1) - -#ifndef CONFIG_BFIN_MAC_PINS -# ifdef CONFIG_RMII -# define CONFIG_BFIN_MAC_PINS P_RMII0 -# else -# define CONFIG_BFIN_MAC_PINS P_MII0 -# endif -#endif - -static int bfin_miiphy_init(struct eth_device *dev, int *opmode) -{ - const unsigned short pins[] = CONFIG_BFIN_MAC_PINS; - int phydat; - size_t count; - struct mii_dev *mdiodev = dev->priv; - - /* Enable PHY output */ - bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE); - - /* Set all the pins to peripheral mode */ - peripheral_request_list(pins, "bfin_mac"); - - /* Odd word alignment for Receive Frame DMA word */ - /* Configure checksum support and rcve frame word alignment */ - bfin_write_EMAC_SYSCTL(RXDWA | RXCKS | SET_MDCDIV(MDC_FREQ_TO_DIV(CONFIG_PHY_CLOCK_FREQ))); - - /* turn on auto-negotiation and wait for link to come up */ - bfin_miiphy_write(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE, MII_BMCR, - BMCR_ANENABLE); - count = 0; - while (1) { - ++count; - phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR, - MDIO_DEVAD_NONE, MII_BMSR); - if (phydat < 0) - return phydat; - if (phydat & BMSR_LSTATUS) - break; - if (count > 30000) { - printf("%s: link down, check cable\n", dev->name); - return -1; - } - udelay(100); - } - - /* see what kind of link we have */ - phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE, - MII_LPA); - if (phydat < 0) - return phydat; - if (phydat & LPA_DUPLEX) - *opmode = FDMODE; - else - *opmode = 0; - - bfin_write_EMAC_MMC_CTL(RSTC | CROLL); - bfin_write_EMAC_VLAN1(EMAC_VLANX_DEF_VAL); - bfin_write_EMAC_VLAN2(EMAC_VLANX_DEF_VAL); - - /* Initialize the TX DMA channel registers */ - bfin_write_DMA2_X_COUNT(0); - bfin_write_DMA2_X_MODIFY(4); - bfin_write_DMA2_Y_COUNT(0); - bfin_write_DMA2_Y_MODIFY(0); - - /* Initialize the RX DMA channel registers */ - bfin_write_DMA1_X_COUNT(0); - bfin_write_DMA1_X_MODIFY(4); - bfin_write_DMA1_Y_COUNT(0); - bfin_write_DMA1_Y_MODIFY(0); - - return 0; -} - -static int bfin_EMAC_setup_addr(struct eth_device *dev) -{ - bfin_write_EMAC_ADDRLO( - dev->enetaddr[0] | - dev->enetaddr[1] << 8 | - dev->enetaddr[2] << 16 | - dev->enetaddr[3] << 24 - ); - bfin_write_EMAC_ADDRHI( - dev->enetaddr[4] | - dev->enetaddr[5] << 8 - ); - return 0; -} - -static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd) -{ - u32 opmode; - int dat; - int i; - debug("Eth_init: ......\n"); - - txIdx = 0; - rxIdx = 0; - - /* Initialize System Register */ - if (bfin_miiphy_init(dev, &dat) < 0) - return -1; - - /* Initialize EMAC address */ - bfin_EMAC_setup_addr(dev); - - /* Initialize TX and RX buffer */ - for (i = 0; i < PKTBUFSRX; i++) { - rxbuf[i] = SetupRxBuffer(i); - if (i > 0) { - rxbuf[i - 1]->Dma[1].NEXT_DESC_PTR = rxbuf[i]->Dma; - if (i == (PKTBUFSRX - 1)) - rxbuf[i]->Dma[1].NEXT_DESC_PTR = rxbuf[0]->Dma; - } - } - for (i = 0; i < TX_BUF_CNT; i++) { - txbuf[i] = SetupTxBuffer(i); - if (i > 0) { - txbuf[i - 1]->Dma[1].NEXT_DESC_PTR = txbuf[i]->Dma; - if (i == (TX_BUF_CNT - 1)) - txbuf[i]->Dma[1].NEXT_DESC_PTR = txbuf[0]->Dma; - } - } - - /* Set RX DMA */ - bfin_write_DMA1_NEXT_DESC_PTR(rxbuf[0]->Dma); - bfin_write_DMA1_CONFIG(rxbuf[0]->Dma[0].CONFIG_DATA); - - /* Wait MII done */ - bfin_miiphy_wait(); - - /* We enable only RX here */ - /* ASTP : Enable Automatic Pad Stripping - PR : Promiscuous Mode for test - PSF : Receive frames with total length less than 64 bytes. - FDMODE : Full Duplex Mode - LB : Internal Loopback for test - RE : Receiver Enable */ - if (dat == FDMODE) - opmode = ASTP | FDMODE | PSF; - else - opmode = ASTP | PSF; - opmode |= RE; -#ifdef CONFIG_RMII - opmode |= TE | RMII; -#endif - /* Turn on the EMAC */ - bfin_write_EMAC_OPMODE(opmode); - return 0; -} - -static void bfin_EMAC_halt(struct eth_device *dev) -{ - debug("Eth_halt: ......\n"); - /* Turn off the EMAC */ - bfin_write_EMAC_OPMODE(0); - /* Turn off the EMAC RX DMA */ - bfin_write_DMA1_CONFIG(0); - bfin_write_DMA2_CONFIG(0); -} - -ADI_ETHER_BUFFER *SetupRxBuffer(int no) -{ - ADI_ETHER_FRAME_BUFFER *frmbuf; - ADI_ETHER_BUFFER *buf; - int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2; /* ensure a multi. of 4 */ - int total_size = nobytes_buffer + RECV_BUFSIZE; - - buf = (void *) (RXBUF_BASE_ADDR + no * total_size); - frmbuf = (void *) (RXBUF_BASE_ADDR + no * total_size + nobytes_buffer); - - memset(buf, 0x00, nobytes_buffer); - buf->FrmData = frmbuf; - memset(frmbuf, 0xfe, RECV_BUFSIZE); - - /* set up first desc to point to receive frame buffer */ - buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]); - buf->Dma[0].START_ADDR = (u32) buf->FrmData; - buf->Dma[0].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[0].CONFIG.b_WNR = 1; /* Write to memory */ - buf->Dma[0].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[0].CONFIG.b_NDSIZE = 5; /* 5 half words is desc size. */ - buf->Dma[0].CONFIG.b_FLOW = 7; /* large desc flow */ - - /* set up second desc to point to status word */ - buf->Dma[1].NEXT_DESC_PTR = buf->Dma; - buf->Dma[1].START_ADDR = (u32) & buf->IPHdrChksum; - buf->Dma[1].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[1].CONFIG.b_WNR = 1; /* Write to memory */ - buf->Dma[1].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[1].CONFIG.b_DI_EN = 1; /* enable interrupt */ - buf->Dma[1].CONFIG.b_NDSIZE = 5; /* must be 0 when FLOW is 0 */ - buf->Dma[1].CONFIG.b_FLOW = 7; /* stop */ - - return buf; -} - -ADI_ETHER_BUFFER *SetupTxBuffer(int no) -{ - ADI_ETHER_FRAME_BUFFER *frmbuf; - ADI_ETHER_BUFFER *buf; - int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2; /* ensure a multi. of 4 */ - int total_size = nobytes_buffer + RECV_BUFSIZE; - - buf = (void *) (TXBUF_BASE_ADDR + no * total_size); - frmbuf = (void *) (TXBUF_BASE_ADDR + no * total_size + nobytes_buffer); - - memset(buf, 0x00, nobytes_buffer); - buf->FrmData = frmbuf; - memset(frmbuf, 0x00, RECV_BUFSIZE); - - /* set up first desc to point to receive frame buffer */ - buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]); - buf->Dma[0].START_ADDR = (u32) buf->FrmData; - buf->Dma[0].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[0].CONFIG.b_WNR = 0; /* Read to memory */ - buf->Dma[0].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[0].CONFIG.b_NDSIZE = 5; /* 5 half words is desc size. */ - buf->Dma[0].CONFIG.b_FLOW = 7; /* large desc flow */ - - /* set up second desc to point to status word */ - buf->Dma[1].NEXT_DESC_PTR = &(buf->Dma[0]); - buf->Dma[1].START_ADDR = (u32) & buf->StatusWord; - buf->Dma[1].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[1].CONFIG.b_WNR = 1; /* Write to memory */ - buf->Dma[1].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[1].CONFIG.b_DI_EN = 1; /* enable interrupt */ - buf->Dma[1].CONFIG.b_NDSIZE = 0; /* must be 0 when FLOW is 0 */ - buf->Dma[1].CONFIG.b_FLOW = 0; /* stop */ - - return buf; -} - -#if defined(CONFIG_POST) && defined(CONFIG_SYS_POST_ETHER) -int ether_post_test(int flags) -{ - uchar buf[64]; - int i, value = 0; - int length; - uint addr; - - printf("\n--------"); - bfin_EMAC_init(NULL, NULL); - /* construct the package */ - addr = bfin_read_EMAC_ADDRLO(); - buf[0] = buf[6] = addr; - buf[1] = buf[7] = addr >> 8; - buf[2] = buf[8] = addr >> 16; - buf[3] = buf[9] = addr >> 24; - addr = bfin_read_EMAC_ADDRHI(); - buf[4] = buf[10] = addr; - buf[5] = buf[11] = addr >> 8; - buf[12] = 0x08; /* Type: ARP */ - buf[13] = 0x06; - buf[14] = 0x00; /* Hardware type: Ethernet */ - buf[15] = 0x01; - buf[16] = 0x08; /* Protocal type: IP */ - buf[17] = 0x00; - buf[18] = 0x06; /* Hardware size */ - buf[19] = 0x04; /* Protocol size */ - buf[20] = 0x00; /* Opcode: request */ - buf[21] = 0x01; - - for (i = 0; i < 42; i++) - buf[i + 22] = i; - printf("--------Send 64 bytes......\n"); - bfin_EMAC_send(NULL, buf, 64); - for (i = 0; i < 100; i++) { - udelay(10000); - if ((rxbuf[rxIdx]->StatusWord & RX_COMP) != 0) { - value = 1; - break; - } - } - if (value == 0) { - printf("--------EMAC can't receive any data\n"); - eth_halt(); - return -1; - } - length = rxbuf[rxIdx]->StatusWord & 0x000007FF - 4; - for (i = 0; i < length; i++) { - if (rxbuf[rxIdx]->FrmData->Dest[i] != buf[i]) { - printf("--------EMAC receive error data!\n"); - eth_halt(); - return -1; - } - } - printf("--------receive %d bytes, matched\n", length); - bfin_EMAC_halt(NULL); - return 0; -} -#endif diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h deleted file mode 100644 index 54ffb3830e..0000000000 --- a/drivers/net/bfin_mac.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * bfin_mac.h - some defines/structures for the Blackfin on-chip MAC. - * - * Copyright (c) 2005-2008 Analog Device, Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef __BFIN_MAC_H__ -#define __BFIN_MAC_H__ - -#define RECV_BUFSIZE (0x614) - -typedef struct ADI_DMA_CONFIG_REG { - u16 b_DMA_EN:1; /* 0 Enabled */ - u16 b_WNR:1; /* 1 Direction */ - u16 b_WDSIZE:2; /* 2:3 Transfer word size */ - u16 b_DMA2D:1; /* 4 DMA mode */ - u16 b_RESTART:1; /* 5 Retain FIFO */ - u16 b_DI_SEL:1; /* 6 Data interrupt timing select */ - u16 b_DI_EN:1; /* 7 Data interrupt enabled */ - u16 b_NDSIZE:4; /* 8:11 Flex descriptor size */ - u16 b_FLOW:3; /* 12:14Flow */ -} ADI_DMA_CONFIG_REG; - -typedef struct adi_ether_frame_buffer { - u16 NoBytes; /* the no. of following bytes */ - u8 Dest[6]; /* destination MAC address */ - u8 Srce[6]; /* source MAC address */ - u16 LTfield; /* length/type field */ - u8 Data[0]; /* payload bytes */ -} ADI_ETHER_FRAME_BUFFER; -/* 16 bytes/struct */ - -typedef struct dma_descriptor { - struct dma_descriptor *NEXT_DESC_PTR; - u32 START_ADDR; - union { - u16 CONFIG_DATA; - ADI_DMA_CONFIG_REG CONFIG; - }; -} DMA_DESCRIPTOR; -/* 10 bytes/struct in 12 bytes */ - -typedef struct adi_ether_buffer { - DMA_DESCRIPTOR Dma[2]; /* first for the frame, second for the status */ - ADI_ETHER_FRAME_BUFFER *FrmData;/* pointer to data */ - struct adi_ether_buffer *pNext; /* next buffer */ - struct adi_ether_buffer *pPrev; /* prev buffer */ - u16 IPHdrChksum; /* the IP header checksum */ - u16 IPPayloadChksum; /* the IP header and payload checksum */ - volatile u32 StatusWord; /* the frame status word */ -} ADI_ETHER_BUFFER; -/* 40 bytes/struct in 44 bytes */ - -static ADI_ETHER_BUFFER *SetupRxBuffer(int no); -static ADI_ETHER_BUFFER *SetupTxBuffer(int no); - -static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd); -static void bfin_EMAC_halt(struct eth_device *dev); -static int bfin_EMAC_send(struct eth_device *dev, void *packet, int length); -static int bfin_EMAC_recv(struct eth_device *dev); -static int bfin_EMAC_setup_addr(struct eth_device *dev); - -#endif diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index c919427085..87c3d9cae2 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -9,7 +9,6 @@ obj-$(CONFIG_DM_RTC) += rtc-uclass.o obj-$(CONFIG_RTC_AT91SAM9_RTT) += at91sam9_rtt.o -obj-$(CONFIG_RTC_BFIN) += bfin_rtc.o obj-y += date.o obj-$(CONFIG_RTC_DAVINCI) += davinci.o obj-$(CONFIG_RTC_DS1302) += ds1302.o diff --git a/drivers/rtc/bfin_rtc.c b/drivers/rtc/bfin_rtc.c deleted file mode 100644 index a079a1d472..0000000000 --- a/drivers/rtc/bfin_rtc.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (c) 2004-2008 Analog Devices Inc. - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_CMD_DATE) - -#include <asm/blackfin.h> -#include <asm/mach-common/bits/rtc.h> - -#define pr_stamp() debug("%s:%s:%i: here i am\n", __FILE__, __func__, __LINE__) - -#define MIN_TO_SECS(x) (60 * (x)) -#define HRS_TO_SECS(x) (60 * MIN_TO_SECS(x)) -#define DAYS_TO_SECS(x) (24 * HRS_TO_SECS(x)) - -#define NUM_SECS_IN_MIN MIN_TO_SECS(1) -#define NUM_SECS_IN_HR HRS_TO_SECS(1) -#define NUM_SECS_IN_DAY DAYS_TO_SECS(1) - -/* Enable the RTC prescaler enable register */ -void rtc_init(void) -{ - if (!(bfin_read_RTC_PREN() & 0x1)) - bfin_write_RTC_PREN(0x1); -} - -/* Our on-chip RTC has no notion of "reset" */ -void rtc_reset(void) -{ - rtc_init(); -} - -/* Wait for pending writes to complete */ -static void wait_for_complete(void) -{ - pr_stamp(); - while (!(bfin_read_RTC_ISTAT() & WRITE_COMPLETE)) - if (!(bfin_read_RTC_ISTAT() & WRITE_PENDING)) - break; - bfin_write_RTC_ISTAT(WRITE_COMPLETE); -} - -/* Set the time. Get the time_in_secs which is the number of seconds since Jan 1970 and set the RTC registers - * based on this value. - */ -int rtc_set(struct rtc_time *tmp) -{ - unsigned long remain, days, hrs, mins, secs; - - pr_stamp(); - - if (tmp == NULL) { - puts("Error setting the date/time\n"); - return -1; - } - - rtc_init(); - wait_for_complete(); - - /* Calculate number of seconds this incoming time represents */ - remain = rtc_mktime(tmp); - - /* Figure out how many days since epoch */ - days = remain / NUM_SECS_IN_DAY; - - /* From the remaining secs, compute the hrs(0-23), mins(0-59) and secs(0-59) */ - remain = remain % NUM_SECS_IN_DAY; - hrs = remain / NUM_SECS_IN_HR; - remain = remain % NUM_SECS_IN_HR; - mins = remain / NUM_SECS_IN_MIN; - secs = remain % NUM_SECS_IN_MIN; - - /* Encode these time values into our RTC_STAT register */ - bfin_write_RTC_STAT(SET_ALARM(days, hrs, mins, secs)); - - return 0; -} - -/* Read the time from the RTC_STAT. time_in_seconds is seconds since Jan 1970 */ -int rtc_get(struct rtc_time *tmp) -{ - uint32_t cur_rtc_stat; - int time_in_sec; - int tm_sec, tm_min, tm_hr, tm_day; - - pr_stamp(); - - if (tmp == NULL) { - puts("Error getting the date/time\n"); - return -1; - } - - rtc_init(); - wait_for_complete(); - - /* Read the RTC_STAT register */ - cur_rtc_stat = bfin_read_RTC_STAT(); - - /* Convert our encoded format into actual time values */ - tm_sec = (cur_rtc_stat & RTC_SEC) >> RTC_SEC_P; - tm_min = (cur_rtc_stat & RTC_MIN) >> RTC_MIN_P; - tm_hr = (cur_rtc_stat & RTC_HR ) >> RTC_HR_P; - tm_day = (cur_rtc_stat & RTC_DAY) >> RTC_DAY_P; - - /* Calculate the total number of seconds since epoch */ - time_in_sec = (tm_sec) + MIN_TO_SECS(tm_min) + HRS_TO_SECS(tm_hr) + DAYS_TO_SECS(tm_day); - rtc_to_tm(time_in_sec, tmp); - - return 0; -} - -#endif diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index dea18363ca..36745ca9c9 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -12,7 +12,6 @@ obj-y += imx_watchdog.o endif obj-$(CONFIG_S5P) += s5p_wdt.o obj-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o -obj-$(CONFIG_BFIN_WATCHDOG) += bfin_wdt.o obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o obj-$(CONFIG_DESIGNWARE_WATCHDOG) += designware_wdt.o obj-$(CONFIG_ULP_WATCHDOG) += ulp_wdog.o diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c deleted file mode 100644 index 6a8db59fdf..0000000000 --- a/drivers/watchdog/bfin_wdt.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * watchdog.c - driver for Blackfin on-chip watchdog - * - * Copyright (c) 2007-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <watchdog.h> -#include <asm/blackfin.h> -#include <asm/clock.h> -#include <asm/mach-common/bits/watchdog.h> - -void hw_watchdog_reset(void) -{ - bfin_write_WDOG_STAT(0); -} - -void hw_watchdog_init(void) -{ - bfin_write_WDOG_CTL(WDDIS); - SSYNC(); - bfin_write_WDOG_CNT(CONFIG_WATCHDOG_TIMEOUT_MSECS / 1000 * get_sclk()); - hw_watchdog_reset(); - bfin_write_WDOG_CTL(WDEN); -} |