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authorimp <imp@FreeBSD.org>2009-06-14 03:55:27 +0000
committerimp <imp@FreeBSD.org>2009-06-14 03:55:27 +0000
commitea2c1567fcd478f2efe7d58c91a7035788eb6ab4 (patch)
tree7f6b9ee253fdc6262729dbab151665c61deb0993 /sys/dev/flash
parentb507305dcbf08df5de75b5418717c57c08097566 (diff)
downloadFreeBSD-src-ea2c1567fcd478f2efe7d58c91a7035788eb6ab4.zip
FreeBSD-src-ea2c1567fcd478f2efe7d58c91a7035788eb6ab4.tar.gz
Move dev/flash/ cf driver into octeon dir where it belongs.
Diffstat (limited to 'sys/dev/flash')
-rw-r--r--sys/dev/flash/octeon_ebt3000_cf.c619
-rw-r--r--sys/dev/flash/octeon_ebt3000_cf.h35
2 files changed, 0 insertions, 654 deletions
diff --git a/sys/dev/flash/octeon_ebt3000_cf.c b/sys/dev/flash/octeon_ebt3000_cf.c
deleted file mode 100644
index f7dfd0d..0000000
--- a/sys/dev/flash/octeon_ebt3000_cf.c
+++ /dev/null
@@ -1,619 +0,0 @@
-/*
- * octeon_ebt3000_cf.c
- *
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/bio.h>
-#include <sys/systm.h>
-#include <sys/sysctl.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/rman.h>
-#include <sys/power.h>
-#include <sys/smp.h>
-#include <sys/time.h>
-#include <sys/timetc.h>
-#include <sys/malloc.h>
-
-#include <geom/geom.h>
-
-#include <machine/clock.h>
-#include <machine/locore.h>
-#include <machine/md_var.h>
-#include <machine/cpuregs.h>
-
-#include "octeon_ebt3000_cf.h"
-#include "driveid.h"
-
-/* ATA Commands */
-#define CMD_READ_SECTOR 0x20
-#define CMD_WRITE_SECTOR 0x30
-#define CMD_IDENTIFY 0xEC
-
-/* The ATA Task File */
-#define TF_DATA 0x00
-#define TF_ERROR 0x01
-#define TF_PRECOMP 0x01
-#define TF_SECTOR_COUNT 0x02
-#define TF_SECTOR_NUMBER 0x03
-#define TF_CYL_LSB 0x04
-#define TF_CYL_MSB 0x05
-#define TF_DRV_HEAD 0x06
-#define TF_STATUS 0x07
-#define TF_COMMAND 0x07
-
-/* Status Register */
-#define STATUS_BSY 0x80 /* Drive is busy */
-#define STATUS_RDY 0x40 /* Drive is ready */
-#define STATUS_DRQ 0x08 /* Data can be transferred */
-
-/* Miscelaneous */
-#define SECTOR_SIZE 512
-#define WAIT_DELAY 1000
-#define NR_TRIES 1000
-#define SWAP_SHORT(x) ((x << 8) | (x >> 8))
-#define SWAP_LONG(x) (((x << 24) & 0xFF000000) | ((x << 8) & 0x00FF0000) | \
- ((x >> 8) & 0x0000FF00) | ((x << 24) & 0x000000FF) )
-#define MODEL_STR_SIZE 40
-
-
-/* Globals */
-int bus_width;
-void *base_addr;
-
-/* Device softc */
-struct cf_priv {
-
- device_t dev;
- struct drive_param *drive_param;
-
- struct bio_queue_head cf_bq;
- struct g_geom *cf_geom;
- struct g_provider *cf_provider;
-
-};
-
-/* Device parameters */
-struct drive_param{
- union {
- char buf[SECTOR_SIZE];
- struct hd_driveid driveid;
- } u;
-
- char model[MODEL_STR_SIZE];
- uint32_t nr_sectors;
- uint16_t sector_size;
- uint16_t heads;
- uint16_t tracks;
- uint16_t sec_track;
-
-} drive_param;
-
-/* GEOM class implementation */
-static g_access_t cf_access;
-static g_start_t cf_start;
-static g_ioctl_t cf_ioctl;
-
-struct g_class g_cf_class = {
- .name = "CF",
- .version = G_VERSION,
- .start = cf_start,
- .access = cf_access,
- .ioctl = cf_ioctl,
-};
-
-/* Device methods */
-static int cf_probe(device_t);
-static void cf_identify(driver_t *, device_t);
-static int cf_attach(device_t);
-static int cf_attach_geom(void *, int);
-
-/* ATA methods */
-static void cf_cmd_identify(void);
-static void cf_cmd_write(uint32_t, uint32_t, void *);
-static void cf_cmd_read(uint32_t, uint32_t, void *);
-static void cf_wait_busy(void);
-static void cf_send_cmd(uint32_t, uint8_t);
-static void cf_attach_geom_proxy(void *arg, int flag);
-
-/* Miscelenous */
-static void cf_swap_ascii(unsigned char[], char[]);
-
-
-/* ------------------------------------------------------------------- *
- * cf_access() *
- * ------------------------------------------------------------------- */
-static int cf_access (struct g_provider *pp, int r, int w, int e)
-{
-
- pp->sectorsize = drive_param.sector_size;
- pp->stripesize = drive_param.heads * drive_param.sec_track * drive_param.sector_size;
- pp->mediasize = pp->stripesize * drive_param.tracks;
-
- return (0);
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_start() *
- * ------------------------------------------------------------------- */
-static void cf_start (struct bio *bp)
-{
- /*
- * Handle actual I/O requests. The request is passed down through
- * the bio struct.
- */
-
- if(bp->bio_cmd & BIO_GETATTR) {
- if (g_handleattr_int(bp, "GEOM::fwsectors", drive_param.sec_track))
- return;
- if (g_handleattr_int(bp, "GEOM::fwheads", drive_param.heads))
- return;
- g_io_deliver(bp, ENOIOCTL);
- return;
- }
-
- if ((bp->bio_cmd & (BIO_READ | BIO_WRITE))) {
-
- if (bp->bio_cmd & BIO_READ) {
- cf_cmd_read(bp->bio_length / drive_param.sector_size,
- bp->bio_offset / drive_param.sector_size, bp->bio_data);
-
- } else if (bp->bio_cmd & BIO_WRITE) {
- cf_cmd_write(bp->bio_length / drive_param.sector_size,
- bp->bio_offset/drive_param.sector_size, bp->bio_data);
- }
-
- bp->bio_resid = 0;
- bp->bio_completed = bp->bio_length;
- g_io_deliver(bp, 0);
- }
-}
-
-
-static int cf_ioctl (struct g_provider *pp, u_long cmd, void *data, int fflag, struct thread *td)
-{
- return (0);
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_cmd_read() *
- * ------------------------------------------------------------------- *
- *
- * Read nr_sectors from the device starting from start_sector.
- */
-static void cf_cmd_read (uint32_t nr_sectors, uint32_t start_sector, void *buf)
-{
- unsigned long lba;
- uint32_t count;
- uint16_t *ptr_16;
- uint8_t *ptr_8;
-
-//#define OCTEON_VISUAL_CF_0 1
-#ifdef OCTEON_VISUAL_CF_0
- octeon_led_write_char(0, 'R');
-#endif
- ptr_8 = (uint8_t*)buf;
- ptr_16 = (uint16_t*)buf;
- lba = start_sector;
-
-
- while (nr_sectors--) {
-
- cf_send_cmd(lba, CMD_READ_SECTOR);
-
- if (bus_width == 8) {
- volatile uint8_t *task_file = (volatile uint8_t*)base_addr;
- volatile uint8_t dummy;
- for (count = 0; count < SECTOR_SIZE; count++) {
- *ptr_8++ = task_file[TF_DATA];
- if ((count & 0xf) == 0) dummy = task_file[TF_STATUS];
- }
- } else {
- volatile uint16_t *task_file = (volatile uint16_t*)base_addr;
- volatile uint16_t dummy;
- for (count = 0; count < SECTOR_SIZE; count+=2) {
- uint16_t temp;
- temp = task_file[TF_DATA];
- *ptr_16++ = SWAP_SHORT(temp);
- if ((count & 0xf) == 0) dummy = task_file[TF_STATUS/2];
- }
- }
-
- lba ++;
- }
-#ifdef OCTEON_VISUAL_CF_0
- octeon_led_write_char(0, ' ');
-#endif
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_cmd_write() *
- * ------------------------------------------------------------------- *
- *
- * Write nr_sectors to the device starting from start_sector.
- */
-static void cf_cmd_write (uint32_t nr_sectors, uint32_t start_sector, void *buf)
-{
- uint32_t lba;
- uint32_t count;
- uint16_t *ptr_16;
- uint8_t *ptr_8;
-
-//#define OCTEON_VISUAL_CF_1 1
-#ifdef OCTEON_VISUAL_CF_1
- octeon_led_write_char(1, 'W');
-#endif
- lba = start_sector;
- ptr_8 = (uint8_t*)buf;
- ptr_16 = (uint16_t*)buf;
-
- while (nr_sectors--) {
-
- cf_send_cmd(lba, CMD_WRITE_SECTOR);
-
- if (bus_width == 8) {
- volatile uint8_t *task_file;
- volatile uint8_t dummy;
-
- task_file = (volatile uint8_t *) base_addr;
- for (count = 0; count < SECTOR_SIZE; count++) {
- task_file[TF_DATA] = *ptr_8++;
- if ((count & 0xf) == 0) dummy = task_file[TF_STATUS];
- }
- } else {
- volatile uint16_t *task_file;
- volatile uint16_t dummy;
-
- task_file = (volatile uint16_t *) base_addr;
- for (count = 0; count < SECTOR_SIZE; count+=2) {
- uint16_t temp = *ptr_16++;
- task_file[TF_DATA] = SWAP_SHORT(temp);
- if ((count & 0xf) == 0) dummy = task_file[TF_STATUS/2];
- }
- }
-
- lba ++;
- }
-#ifdef OCTEON_VISUAL_CF_1
- octeon_led_write_char(1, ' ');
-#endif
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_cmd_identify() *
- * ------------------------------------------------------------------- *
- *
- * Read parameters and other information from the drive and store
- * it in the drive_param structure
- *
- */
-static void cf_cmd_identify (void)
-{
- int count;
- uint8_t status;
-
- if (bus_width == 8) {
- volatile uint8_t *task_file;
-
- task_file = (volatile uint8_t *) base_addr;
-
- while ((status = task_file[TF_STATUS]) & STATUS_BSY) {
- DELAY(WAIT_DELAY);
- }
-
- task_file[TF_SECTOR_COUNT] = 0;
- task_file[TF_SECTOR_NUMBER] = 0;
- task_file[TF_CYL_LSB] = 0;
- task_file[TF_CYL_MSB] = 0;
- task_file[TF_DRV_HEAD] = 0;
- task_file[TF_COMMAND] = CMD_IDENTIFY;
-
- cf_wait_busy();
-
- for (count = 0; count < SECTOR_SIZE; count++)
- drive_param.u.buf[count] = task_file[TF_DATA];
-
- } else {
- volatile uint16_t *task_file;
-
- task_file = (volatile uint16_t *) base_addr;
-
- while ((status = (task_file[TF_STATUS/2]>>8)) & STATUS_BSY) {
- DELAY(WAIT_DELAY);
- }
-
- task_file[TF_SECTOR_COUNT/2] = 0; /* this includes TF_SECTOR_NUMBER */
- task_file[TF_CYL_LSB/2] = 0; /* this includes TF_CYL_MSB */
- task_file[TF_DRV_HEAD/2] = 0 | (CMD_IDENTIFY<<8); /* this includes TF_COMMAND */
-
- cf_wait_busy();
-
- for (count = 0; count < SECTOR_SIZE; count+=2) {
- uint16_t temp;
- temp = task_file[TF_DATA];
-
- /* endianess will be swapped below */
- drive_param.u.buf[count] = (temp & 0xff);
- drive_param.u.buf[count+1] = (temp & 0xff00)>>8;
- }
- }
-
- cf_swap_ascii(drive_param.u.driveid.model, drive_param.model);
-
- drive_param.sector_size = 512; //= SWAP_SHORT (drive_param.u.driveid.sector_bytes);
- drive_param.heads = SWAP_SHORT (drive_param.u.driveid.cur_heads);
- drive_param.tracks = SWAP_SHORT (drive_param.u.driveid.cur_cyls);
- drive_param.sec_track = SWAP_SHORT (drive_param.u.driveid.cur_sectors);
- drive_param.nr_sectors = SWAP_LONG (drive_param.u.driveid.lba_capacity);
-
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_send_cmd() *
- * ------------------------------------------------------------------- *
- *
- * Send command to read/write one sector specified by lba.
- *
- */
-static void cf_send_cmd (uint32_t lba, uint8_t cmd)
-{
- uint8_t status;
-
- if (bus_width == 8) {
- volatile uint8_t *task_file;
-
- task_file = (volatile uint8_t *) base_addr;
-
- while ( (status = task_file[TF_STATUS]) & STATUS_BSY) {
- DELAY(WAIT_DELAY);
- }
-
- task_file[TF_SECTOR_COUNT] = 1;
- task_file[TF_SECTOR_NUMBER] = (lba & 0xff);
- task_file[TF_CYL_LSB] = ((lba >> 8) & 0xff);
- task_file[TF_CYL_MSB] = ((lba >> 16) & 0xff);
- task_file[TF_DRV_HEAD] = ((lba >> 24) & 0xff) | 0xe0;
- task_file[TF_COMMAND] = cmd;
-
- } else {
- volatile uint16_t *task_file;
-
- task_file = (volatile uint16_t *) base_addr;
-
- while ( (status = (task_file[TF_STATUS/2]>>8)) & STATUS_BSY) {
- DELAY(WAIT_DELAY);
- }
-
- task_file[TF_SECTOR_COUNT/2] = 1 | ((lba & 0xff) << 8);
- task_file[TF_CYL_LSB/2] = ((lba >> 8) & 0xff) | (((lba >> 16) & 0xff) << 8);
- task_file[TF_DRV_HEAD/2] = (((lba >> 24) & 0xff) | 0xe0) | (cmd << 8);
-
- }
-
- cf_wait_busy();
-}
-
-/* ------------------------------------------------------------------- *
- * cf_wait_busy() *
- * ------------------------------------------------------------------- *
- *
- * Wait until the drive finishes a given command and data is
- * ready to be transferred. This is done by repeatedly checking
- * the BSY and DRQ bits of the status register. When the controller
- * is ready for data transfer, it clears the BSY bit and sets the
- * DRQ bit.
- *
- */
-static void cf_wait_busy (void)
-{
- uint8_t status;
-
-//#define OCTEON_VISUAL_CF_2 1
-#ifdef OCTEON_VISUAL_CF_2
- static int where0 = 0;
-
- octeon_led_run_wheel(&where0, 2);
-#endif
-
- if (bus_width == 8) {
- volatile uint8_t *task_file;
- task_file = (volatile uint8_t *)base_addr;
-
- status = task_file[TF_STATUS];
- while ((status & STATUS_BSY) == STATUS_BSY || (status & STATUS_DRQ) != STATUS_DRQ ) {
- DELAY(WAIT_DELAY);
- status = task_file[TF_STATUS];
- }
- } else {
- volatile uint16_t *task_file;
- task_file = (volatile uint16_t *)base_addr;
-
- status = task_file[TF_STATUS/2]>>8;
- while ((status & STATUS_BSY) == STATUS_BSY || (status & STATUS_DRQ) != STATUS_DRQ ) {
- DELAY(WAIT_DELAY);
- status = (uint8_t)(task_file[TF_STATUS/2]>>8);
- }
- }
-
-#ifdef OCTEON_VISUAL_CF_2
- octeon_led_write_char(2, ' ');
-#endif
-}
-
-/* ------------------------------------------------------------------- *
- * cf_swap_ascii() *
- * ------------------------------------------------------------------- *
- *
- * The ascii string returned by the controller specifying
- * the model of the drive is byte-swaped. This routine
- * corrects the byte ordering.
- *
- */
-static void cf_swap_ascii (unsigned char str1[], char str2[])
-{
- int i;
-
- for(i = 0; i < MODEL_STR_SIZE; i++) {
- str2[i] = str1[i^1];
- }
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_probe() *
- * ------------------------------------------------------------------- */
-
-static int cf_probe (device_t dev)
-{
- if (!octeon_board_real()) return 1;
-
- if (device_get_unit(dev) != 0) {
- panic("can't attach more devices\n");
- }
-
- device_set_desc(dev, "Octeon Compact Flash Driver");
-
- cf_cmd_identify();
-
- return (0);
-}
-
-/* ------------------------------------------------------------------- *
- * cf_identify() *
- * ------------------------------------------------------------------- *
- *
- * Find the bootbus region for the CF to determine
- * 16 or 8 bit and check to see if device is
- * inserted.
- *
- */
-static void cf_identify (driver_t *drv, device_t parent)
-{
- uint8_t status;
- int bus_region;
- int count = 0;
- octeon_mio_boot_reg_cfgx_t cfg;
-
-
- if (!octeon_board_real()) return 1;
-
- base_addr = (void *) OCTEON_PHYS2PTR(OCTEON_CF_COMMON_BASE_ADDR);
-
- for (bus_region = 0; bus_region < 8; bus_region++)
- {
- cfg.word64 = oct_read64(OCTEON_MIO_BOOT_REG_CFGX(bus_region));
- if (cfg.bits.base == OCTEON_CF_COMMON_BASE_ADDR >> 16)
- {
- bus_width = (cfg.bits.width) ? 16: 8;
- printf("Compact flash found in bootbus region %d (%d bit).\n", bus_region, bus_width);
- break;
- }
- }
-
- if (bus_width == 8) {
- volatile uint8_t *task_file;
- task_file = (volatile uint8_t *) base_addr;
- /* Check if CF is inserted */
- while ( (status = task_file[TF_STATUS]) & STATUS_BSY){
- if ((count++) == NR_TRIES ) {
- printf("Compact Flash not present\n");
- return;
- }
- DELAY(WAIT_DELAY);
- }
- } else {
- volatile uint16_t *task_file;
- task_file = (volatile uint16_t *) base_addr;
- /* Check if CF is inserted */
- while ( (status = (task_file[TF_STATUS/2]>>8)) & STATUS_BSY){
- if ((count++) == NR_TRIES ) {
- printf("Compact Flash not present\n");
- return;
- }
- DELAY(WAIT_DELAY);
- }
- }
-
- BUS_ADD_CHILD(parent, 0, "cf", 0);
-}
-
-
-/* ------------------------------------------------------------------- *
- * cf_attach_geom() *
- * ------------------------------------------------------------------- */
-
-static int cf_attach_geom (void *arg, int flag)
-{
- struct cf_priv *cf_priv;
-
- cf_priv = (struct cf_priv *) arg;
- cf_priv->cf_geom = g_new_geomf(&g_cf_class, "cf%d", device_get_unit(cf_priv->dev));
- cf_priv->cf_provider = g_new_providerf(cf_priv->cf_geom, cf_priv->cf_geom->name);
- cf_priv->cf_geom->softc = cf_priv;
- g_error_provider(cf_priv->cf_provider, 0);
-
- return (0);
-}
-
-/* ------------------------------------------------------------------- *
- * cf_attach_geom() *
- * ------------------------------------------------------------------- */
-static void cf_attach_geom_proxy (void *arg, int flag)
-{
- cf_attach_geom(arg, flag);
-}
-
-
-
-/* ------------------------------------------------------------------- *
- * cf_attach() *
- * ------------------------------------------------------------------- */
-
-static int cf_attach (device_t dev)
-{
- struct cf_priv *cf_priv;
-
- if (!octeon_board_real()) return 1;
-
- cf_priv = device_get_softc(dev);
- cf_priv->dev = dev;
- cf_priv->drive_param = &drive_param;
-
- g_post_event(cf_attach_geom_proxy, cf_priv, M_WAITOK, NULL);
- bioq_init(&cf_priv->cf_bq);
-
- return 0;
-}
-
-
-static device_method_t cf_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, cf_probe),
- DEVMETHOD(device_identify, cf_identify),
- DEVMETHOD(device_attach, cf_attach),
- DEVMETHOD(device_detach, bus_generic_detach),
- DEVMETHOD(device_shutdown, bus_generic_shutdown),
-
- { 0, 0 }
-};
-
-static driver_t cf_driver = {
- "cf",
- cf_methods,
- sizeof(struct cf_priv)
-};
-
-static devclass_t cf_devclass;
-
-DRIVER_MODULE(cf, nexus, cf_driver, cf_devclass, 0, 0);
-
diff --git a/sys/dev/flash/octeon_ebt3000_cf.h b/sys/dev/flash/octeon_ebt3000_cf.h
deleted file mode 100644
index 1e99512..0000000
--- a/sys/dev/flash/octeon_ebt3000_cf.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * octeon_ebt3000_cf.h
- *
- */
-
-
-#ifndef __OCTEON_EBT3000_H__
-#define __OCTEON_EBT3000_H__
-
-
-
-#define OCTEON_CF_COMMON_BASE_ADDR (0x1d000000 | (1 << 11))
-#define OCTEON_MIO_BOOT_REG_CFGX(offset) (0x8001180000000000ull + ((offset) * 8))
-
-
-typedef union
-{
- uint64_t word64;
- struct
- {
- uint64_t reserved : 27; /**< Reserved */
- uint64_t sam : 1; /**< Region 0 SAM */
- uint64_t we_ext : 2; /**< Region 0 write enable count extension */
- uint64_t oe_ext : 2; /**< Region 0 output enable count extension */
- uint64_t en : 1; /**< Region 0 enable */
- uint64_t orbit : 1; /**< No function for region 0 */
- uint64_t ale : 1; /**< Region 0 ALE mode */
- uint64_t width : 1; /**< Region 0 bus width */
- uint64_t size : 12; /**< Region 0 size */
- uint64_t base : 16; /**< Region 0 base address */
- } bits;
-} octeon_mio_boot_reg_cfgx_t;
-
-
-#endif /* __OCTEON_EBT3000_H__ */
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