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Diffstat (limited to 'sys/dev/nand/nfc_rb.c')
-rw-r--r--sys/dev/nand/nfc_rb.c321
1 files changed, 0 insertions, 321 deletions
diff --git a/sys/dev/nand/nfc_rb.c b/sys/dev/nand/nfc_rb.c
deleted file mode 100644
index 1102b3abb9c4..000000000000
--- a/sys/dev/nand/nfc_rb.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*-
- * Copyright (C) 2015 Justin Hibbits
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/* RouterBoard 600/800 NAND controller driver. */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/malloc.h>
-#include <sys/rman.h>
-#include <sys/slicer.h>
-
-#include <geom/geom_disk.h>
-
-#include <machine/bus.h>
-
-#include <dev/ofw/ofw_bus.h>
-#include <dev/ofw/ofw_bus_subr.h>
-
-#include <dev/nand/nand.h>
-#include <dev/nand/nandbus.h>
-
-#include <powerpc/mpc85xx/mpc85xx.h>
-
-#include "nfc_if.h"
-#include "gpio_if.h"
-
-#define RB_NAND_DATA (0x00)
-
-struct rb_nand_softc {
- struct nand_softc nand_dev;
- struct resource *sc_mem;
- int rid;
- device_t sc_gpio;
- uint32_t sc_rdy_pin;
- uint32_t sc_nce_pin;
- uint32_t sc_cle_pin;
- uint32_t sc_ale_pin;
-};
-
-static int rb_nand_attach(device_t);
-static int rb_nand_probe(device_t);
-static int rb_nand_send_command(device_t, uint8_t);
-static int rb_nand_send_address(device_t, uint8_t);
-static uint8_t rb_nand_read_byte(device_t);
-static void rb_nand_read_buf(device_t, void *, uint32_t);
-static void rb_nand_write_buf(device_t, void *, uint32_t);
-static int rb_nand_select_cs(device_t, uint8_t);
-static int rb_nand_read_rnb(device_t);
-
-static device_method_t rb_nand_methods[] = {
- DEVMETHOD(device_probe, rb_nand_probe),
- DEVMETHOD(device_attach, rb_nand_attach),
-
- DEVMETHOD(nfc_send_command, rb_nand_send_command),
- DEVMETHOD(nfc_send_address, rb_nand_send_address),
- DEVMETHOD(nfc_read_byte, rb_nand_read_byte),
- DEVMETHOD(nfc_read_buf, rb_nand_read_buf),
- DEVMETHOD(nfc_write_buf, rb_nand_write_buf),
- DEVMETHOD(nfc_select_cs, rb_nand_select_cs),
- DEVMETHOD(nfc_read_rnb, rb_nand_read_rnb),
-
- { 0, 0 },
-};
-
-static driver_t rb_nand_driver = {
- "nand",
- rb_nand_methods,
- sizeof(struct rb_nand_softc),
-};
-
-static devclass_t rb_nand_devclass;
-DRIVER_MODULE(rb_nand, ofwbus, rb_nand_driver, rb_nand_devclass, 0, 0);
-
-#if 0
-static const struct nand_ecc_data rb_ecc = {
- .eccsize = 6,
- .eccmode = NAND_ECC_SOFT,
- .eccbytes = 6,
- .eccpositions = { 8, 9, 10, 13, 14, 15 },
-};
-#endif
-
-/* Slicer operates on the NAND controller, so we have to find the chip. */
-static int
-rb_nand_slicer(device_t dev, const char *provider __unused,
- struct flash_slice *slices, int *nslices)
-{
- struct nand_chip *chip;
- device_t *children;
- int n;
-
- if (device_get_children(dev, &children, &n) != 0) {
- panic("Slicer called on controller with no child!");
- }
- dev = children[0];
- free(children, M_TEMP);
-
- if (device_get_children(dev, &children, &n) != 0) {
- panic("Slicer called on controller with nandbus but no child!");
- }
- dev = children[0];
- free(children, M_TEMP);
-
- chip = device_get_softc(dev);
- *nslices = 2;
- slices[0].base = 0;
- slices[0].size = 4 * 1024 * 1024;
- slices[0].label = "boot";
-
- slices[1].base = 4 * 1024 * 1024;
- slices[1].size = chip->ndisk->d_mediasize - slices[0].size;
- slices[1].label = "rootfs";
-
- return (0);
-}
-
-static int
-rb_nand_probe(device_t dev)
-{
- const char *device_type;
-
- device_type = ofw_bus_get_type(dev);
-
- if (!device_type || strcmp(device_type, "rb,nand"))
- return (ENXIO);
-
- device_set_desc(dev, "RouterBoard 333/600/800 NAND controller");
- return (BUS_PROBE_DEFAULT);
-}
-
-static int
-rb_nand_attach(device_t dev)
-{
- struct rb_nand_softc *sc;
- phandle_t node;
- uint32_t ale[2],cle[2],nce[2],rdy[2];
- u_long size,start;
- int err;
-
- sc = device_get_softc(dev);
- node = ofw_bus_get_node(dev);
-
- if (OF_getprop(node, "ale", ale, sizeof(ale)) <= 0) {
- return (ENXIO);
- }
- if (OF_getprop(node, "cle", cle, sizeof(cle)) <= 0) {
- return (ENXIO);
- }
- if (OF_getprop(node, "nce", nce, sizeof(nce)) <= 0) {
- return (ENXIO);
- }
- if (OF_getprop(node, "rdy", rdy, sizeof(rdy)) <= 0) {
- return (ENXIO);
- }
-
- if (ale[0] != cle[0] || ale[0] != nce[0] || ale[0] != rdy[0]) {
- device_printf(dev, "GPIO handles for signals must match.\n");
- return (ENXIO);
- }
- sc->sc_ale_pin = ale[1];
- sc->sc_cle_pin = cle[1];
- sc->sc_nce_pin = nce[1];
- sc->sc_rdy_pin = rdy[1];
-
- sc->sc_gpio = OF_device_from_xref(ale[0]);
- if (sc->sc_gpio == NULL) {
- device_printf(dev, "No GPIO resource found!\n");
- return (ENXIO);
- }
-
- sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->rid,
- RF_ACTIVE);
- if (sc->sc_mem == NULL) {
- device_printf(dev, "could not allocate resources!\n");
- return (ENXIO);
- }
-
- start = rman_get_start(sc->sc_mem);
- size = rman_get_size(sc->sc_mem);
- if (law_enable(OCP85XX_TGTIF_LBC, start, size) != 0) {
- bus_release_resource(dev, SYS_RES_MEMORY, sc->rid, sc->sc_mem);
- device_printf(dev, "could not allocate local address window.\n");
- return (ENXIO);
- }
-
- flash_register_slicer(rb_nand_slicer, FLASH_SLICES_TYPE_NAND, TRUE);
-
- nand_init(&sc->nand_dev, dev, NAND_ECC_SOFT, 0, 0, NULL, NULL);
-
- err = nandbus_create(dev);
-
- return (err);
-}
-
-static int
-rb_nand_send_command(device_t dev, uint8_t command)
-{
- struct rb_nand_softc *sc;
-
- nand_debug(NDBG_DRV,"rb_nand: send command %x", command);
-
- sc = device_get_softc(dev);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_cle_pin, 1);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_ale_pin, 0);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_nce_pin, 0);
- bus_write_1(sc->sc_mem, RB_NAND_DATA, command);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_cle_pin, 0);
- return (0);
-}
-
-static int
-rb_nand_send_address(device_t dev, uint8_t addr)
-{
- struct rb_nand_softc *sc;
-
- nand_debug(NDBG_DRV,"rb_nand: send address %x", addr);
-
- sc = device_get_softc(dev);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_cle_pin, 0);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_ale_pin, 1);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_nce_pin, 0);
- bus_write_1(sc->sc_mem, RB_NAND_DATA, addr);
- GPIO_PIN_SET(sc->sc_gpio, sc->sc_ale_pin, 0);
- return (0);
-}
-
-static uint8_t
-rb_nand_read_byte(device_t dev)
-{
- struct rb_nand_softc *sc;
- uint8_t data;
-
- sc = device_get_softc(dev);
- data = bus_read_1(sc->sc_mem, RB_NAND_DATA);
-
- nand_debug(NDBG_DRV,"rb_nand: read %x", data);
-
- return (data);
-}
-
-static void
-rb_nand_read_buf(device_t dev, void* buf, uint32_t len)
-{
- struct rb_nand_softc *sc;
-
- sc = device_get_softc(dev);
-
- bus_read_region_1(sc->sc_mem, RB_NAND_DATA, buf, len);
-}
-
-static void
-rb_nand_write_buf(device_t dev, void* buf, uint32_t len)
-{
- struct rb_nand_softc *sc;
- int i;
- uint8_t *b = (uint8_t*)buf;
-
- sc = device_get_softc(dev);
-
- for (i = 0; i < len; i++) {
-#ifdef NAND_DEBUG
- if (!(i % 16))
- printf("%s", i == 0 ? "rb_nand:\n" : "\n");
- printf(" %x", b[i]);
- if (i == len - 1)
- printf("\n");
-#endif
- bus_write_1(sc->sc_mem, RB_NAND_DATA, b[i]);
- }
-}
-
-static int
-rb_nand_select_cs(device_t dev, uint8_t cs)
-{
-
- if (cs > 0)
- return (ENODEV);
-
- return (0);
-}
-
-static int
-rb_nand_read_rnb(device_t dev)
-{
- struct rb_nand_softc *sc;
- uint32_t rdy_bit;
-
- sc = device_get_softc(dev);
- GPIO_PIN_GET(sc->sc_gpio, sc->sc_rdy_pin, &rdy_bit);
-
- return (rdy_bit); /* ready */
-}