/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include "opt_broadcom.h"
#include "locators.h"
#define IDM_PRIVATE
#include <sys/cdefs.h>
__KERNEL_RCSID(1, "$NetBSD: bcm53xx_ccb.c,v 1.6 2014/03/26 03:19:11 matt Exp $");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/intr.h>
#include <sys/systm.h>
#include <arm/mainbus/mainbus.h>
#include <arm/broadcom/bcm53xx_reg.h>
#include <arm/broadcom/bcm53xx_var.h>
static int bcmccb_mainbus_match(device_t, cfdata_t, void *);
static void bcmccb_mainbus_attach(device_t, device_t, void *);
struct bcmccb_softc {
device_t sc_dev;
bus_space_tag_t sc_bst;
bus_space_handle_t sc_bsh;
};
static struct bcmccb_softc bcmccb_sc;
CFATTACH_DECL_NEW(bcmccb, 0,
bcmccb_mainbus_match, bcmccb_mainbus_attach, NULL, NULL);
static int
bcmccb_mainbus_match(device_t parent, cfdata_t cf, void *aux)
{
if (bcmccb_sc.sc_dev != NULL)
return 0;
return 1;
}
static int
bcmccb_print(void *aux, const char *pnp)
{
const struct bcmccb_attach_args * const ccbaa = aux;
if (ccbaa->ccbaa_loc.loc_port != BCMCCBCF_PORT_DEFAULT)
aprint_normal(" port %d", ccbaa->ccbaa_loc.loc_port);
return QUIET;
}
__unused static inline uint32_t
bcmccb_read_4(struct bcmccb_softc *sc, bus_size_t o)
{
return bus_space_read_4(sc->sc_bst, sc->sc_bsh, o);
}
__unused static inline void
bcmccb_write_4(struct bcmccb_softc *sc, bus_size_t o, uint32_t v)
{
return bus_space_write_4(sc->sc_bst, sc->sc_bsh, o, v);
}
static const struct bcm_locators bcmccb_locators[] = {
{ "bcmpwn", PWM_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT },
{ "bcmmdio", MII_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT },
{ "bcmrng", RNG_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_RNG } },
{ "bcmtmr", TIMER0_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 2, { IRQ_TIMER0_1, IRQ_TIMER0_2 } },
{ "bcmtmr", TIMER1_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 2, { IRQ_TIMER1_1, IRQ_TIMER1_2 } },
#ifdef SRAB_BASE
{ "bcmsw", SRAB_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, },
#endif
{ "bcmcom", UART2_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_UART2 } },
#ifdef BCM5301X
{ "bcmi2c", SMBUS1_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_SMBUS1 } },
#endif
#ifdef BCM536XX
{ "bcmi2c", SMBUS1_BASE, 0x1000, 1, 1, { IRQ_SMBUS1 } },
{ "bcmi2c", SMBUS2_BASE, 0x1000, 2, 1, { IRQ_SMBUS2 } },
#endif
{ "bcmcru", CRU_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT },
{ "bcmdmu", DMU_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT },
{ "bcmddr", DDR_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_DDR_CONTROLLER } },
{ "bcmeth", GMAC0_BASE, 0x1000, 0, 1, { IRQ_GMAC0 }, },
{ "bcmeth", GMAC1_BASE, 0x1000, 1, 1, { IRQ_GMAC1 }, },
#ifdef GMAC2_BASE
{ "bcmeth", GMAC2_BASE, 0x1000, 2, 1, { IRQ_GMAC2 }, },
#endif
// { "bcmeth", GMAC3_BASE, 0x1000, 3, 1, { IRQ_GMAC3 }, },
{ "bcmpax", PCIE0_BASE, 0x1000, 0, 6, { IRQ_PCIE_INT0 }, },
{ "bcmpax", PCIE1_BASE, 0x1000, 1, 6, { IRQ_PCIE_INT1 }, },
#ifdef PCIE2_BASE
{ "bcmpax", PCIE2_BASE, 0x1000, 2, 6, { IRQ_PCIE_INT2 }, },
#endif
#ifdef SDIO_BASE
{ "sdhc", SDIO_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_SDIO } },
#endif
{ "bcmnand", NAND_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 8,
{ IRQ_NAND_RD_MISS, IRQ_NAND_BLK_ERASE_COMP,
IRQ_NAND_COPY_BACK_COMP, IRQ_NAND_PGM_PAGE_COMP,
IRQ_NAND_RO_CTLR_READY, IRQ_NAND_RB_B,
IRQ_NAND_ECC_MIPS_UNCORR, IRQ_NAND_ECC_MIPS_CORR } },
{ "bcmusb", EHCI_BASE, 0x2000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_USB2 } },
};
static int
bcmccb_find(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
struct bcmccb_attach_args * const ccbaa = aux;
if (strcmp(cf->cf_name, ccbaa->ccbaa_loc.loc_name) != 0)
return 0;
const bool is_bcmeth_p = strcmp(cf->cf_name, "bcmeth") == 0;
const bool is_bcmpax_p = !is_bcmeth_p && strcmp(cf->cf_name, "bcmpax") == 0;
if (cf->cf_loc[BCMCCBCF_PORT] != BCMCCBCF_PORT_DEFAULT
&& (cf->cf_loc[BCMCCBCF_PORT] != ccbaa->ccbaa_loc.loc_port
|| (!is_bcmeth_p && !is_bcmpax_p)))
return 0;
ccbaa->ccbaa_loc.loc_mdio = cf->cf_loc[BCMCCBCF_MDIO];
ccbaa->ccbaa_loc.loc_phy = cf->cf_loc[BCMCCBCF_PHY];
if (!is_bcmeth_p) {
const bool is_mdio_default_p = ccbaa->ccbaa_loc.loc_mdio == BCMCCBCF_MDIO_DEFAULT;
const bool is_phy_default_p = ccbaa->ccbaa_loc.loc_phy == BCMCCBCF_PHY_DEFAULT;
if (!is_mdio_default_p || !is_phy_default_p)
return 0;
}
return config_match(parent, cf, ccbaa);
}
static void
bcmccb_mainbus_attach(device_t parent, device_t self, void *aux)
{
struct bcmccb_softc * const sc = &bcmccb_sc;
sc->sc_dev = self;
self->dv_private = sc;
sc->sc_bst = bcm53xx_ioreg_bst;
bus_space_subregion (sc->sc_bst, bcm53xx_ioreg_bsh,
CCB_BASE, CCB_SIZE, &sc->sc_bsh);
aprint_naive("\n");
aprint_normal("\n");
for (size_t i = 0; i < __arraycount(bcmccb_locators); i++) {
const struct bcm_locators *loc = &bcmccb_locators[i];
#ifdef BCM5301X
if (strcmp(loc->loc_name, "bcmsw") == 0) {
bcm53xx_srab_init(); // need this for ethernet.
}
#endif
struct bcmccb_attach_args ccbaa = {
.ccbaa_ccb_bst = sc->sc_bst,
.ccbaa_ccb_bsh = sc->sc_bsh,
.ccbaa_dmat = &bcm53xx_dma_tag,
.ccbaa_loc = *loc,
};
/*
* If the device might be in reset, let's try to take it
* out of it. If it fails or is unavailable, skip it.
*/
if (!bcm53xx_idm_device_init(loc, sc->sc_bst, sc->sc_bsh))
continue;
cfdata_t cf = config_search_ia(bcmccb_find, self, "bcmccb",
&ccbaa);
if (cf != NULL)
config_attach(self, cf, &ccbaa, bcmccb_print);
}
}