1 /*- 2 * Copyright (c) 2012 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Matt Thomas of 3am Software Foundry. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "opt_broadcom.h" 31 #include "locators.h" 32 33 #define IDM_PRIVATE 34 35 #include <sys/cdefs.h> 36 37 __KERNEL_RCSID(1, "$NetBSD: bcm53xx_ccb.c,v 1.9 2022/03/03 06:26:28 riastradh Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/bus.h> 41 #include <sys/device.h> 42 #include <sys/intr.h> 43 #include <sys/systm.h> 44 45 #include <arm/mainbus/mainbus.h> 46 47 #include <arm/broadcom/bcm53xx_reg.h> 48 #include <arm/broadcom/bcm53xx_var.h> 49 50 static int bcmccb_mainbus_match(device_t, cfdata_t, void *); 51 static void bcmccb_mainbus_attach(device_t, device_t, void *); 52 53 struct bcmccb_softc { 54 device_t sc_dev; 55 bus_space_tag_t sc_bst; 56 bus_space_handle_t sc_bsh; 57 }; 58 59 static struct bcmccb_softc bcmccb_sc; 60 61 CFATTACH_DECL_NEW(bcmccb, 0, 62 bcmccb_mainbus_match, bcmccb_mainbus_attach, NULL, NULL); 63 64 static int 65 bcmccb_mainbus_match(device_t parent, cfdata_t cf, void *aux) 66 { 67 if (bcmccb_sc.sc_dev != NULL) 68 return 0; 69 70 return 1; 71 } 72 73 static int 74 bcmccb_print(void *aux, const char *pnp) 75 { 76 const struct bcmccb_attach_args * const ccbaa = aux; 77 78 if (ccbaa->ccbaa_loc.loc_port != BCMCCBCF_PORT_DEFAULT) 79 aprint_normal(" port %d", ccbaa->ccbaa_loc.loc_port); 80 81 return QUIET; 82 } 83 84 __unused static inline uint32_t 85 bcmccb_read_4(struct bcmccb_softc *sc, bus_size_t o) 86 { 87 return bus_space_read_4(sc->sc_bst, sc->sc_bsh, o); 88 } 89 90 __unused static inline void 91 bcmccb_write_4(struct bcmccb_softc *sc, bus_size_t o, uint32_t v) 92 { 93 return bus_space_write_4(sc->sc_bst, sc->sc_bsh, o, v); 94 } 95 96 static const struct bcm_locators bcmccb_locators[] = { 97 { "bcmpwn", PWM_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT }, 98 { "bcmmdio", MII_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT }, 99 { "bcmrng", RNG_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_RNG } }, 100 { "bcmtmr", TIMER0_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 2, { IRQ_TIMER0_1, IRQ_TIMER0_2 } }, 101 { "bcmtmr", TIMER1_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 2, { IRQ_TIMER1_1, IRQ_TIMER1_2 } }, 102 #ifdef SRAB_BASE 103 { "bcmsw", SRAB_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, }, 104 #endif 105 { "bcmcom", UART2_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_UART2 } }, 106 #ifdef BCM5301X 107 { "bcmi2c", SMBUS1_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_SMBUS1 } }, 108 #endif 109 #ifdef BCM536XX 110 { "bcmi2c", SMBUS1_BASE, 0x1000, 1, 1, { IRQ_SMBUS1 } }, 111 { "bcmi2c", SMBUS2_BASE, 0x1000, 2, 1, { IRQ_SMBUS2 } }, 112 #endif 113 { "bcmcru", CRU_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT }, 114 { "bcmdmu", DMU_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT }, 115 { "bcmddr", DDR_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_DDR_CONTROLLER } }, 116 { "bcmeth", GMAC0_BASE, 0x1000, 0, 1, { IRQ_GMAC0 }, }, 117 { "bcmeth", GMAC1_BASE, 0x1000, 1, 1, { IRQ_GMAC1 }, }, 118 #ifdef GMAC2_BASE 119 { "bcmeth", GMAC2_BASE, 0x1000, 2, 1, { IRQ_GMAC2 }, }, 120 #endif 121 // { "bcmeth", GMAC3_BASE, 0x1000, 3, 1, { IRQ_GMAC3 }, }, 122 { "bcmpax", PCIE0_BASE, 0x1000, 0, 6, { IRQ_PCIE_INT0 }, }, 123 { "bcmpax", PCIE1_BASE, 0x1000, 1, 6, { IRQ_PCIE_INT1 }, }, 124 #ifdef PCIE2_BASE 125 { "bcmpax", PCIE2_BASE, 0x1000, 2, 6, { IRQ_PCIE_INT2 }, }, 126 #endif 127 #ifdef SDIO_BASE 128 { "sdhc", SDIO_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_SDIO } }, 129 #endif 130 { "bcmnand", NAND_BASE, 0x1000, BCMCCBCF_PORT_DEFAULT, 8, 131 { IRQ_NAND_RD_MISS, IRQ_NAND_BLK_ERASE_COMP, 132 IRQ_NAND_COPY_BACK_COMP, IRQ_NAND_PGM_PAGE_COMP, 133 IRQ_NAND_RO_CTLR_READY, IRQ_NAND_RB_B, 134 IRQ_NAND_ECC_MIPS_UNCORR, IRQ_NAND_ECC_MIPS_CORR } }, 135 { "bcmusb", EHCI_BASE, 0x2000, BCMCCBCF_PORT_DEFAULT, 1, { IRQ_USB2 } }, 136 }; 137 138 static int 139 bcmccb_find(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 140 { 141 struct bcmccb_attach_args * const ccbaa = aux; 142 143 if (strcmp(cf->cf_name, ccbaa->ccbaa_loc.loc_name) != 0) 144 return 0; 145 146 const bool is_bcmeth_p = strcmp(cf->cf_name, "bcmeth") == 0; 147 const bool is_bcmpax_p = !is_bcmeth_p && strcmp(cf->cf_name, "bcmpax") == 0; 148 if (cf->cf_loc[BCMCCBCF_PORT] != BCMCCBCF_PORT_DEFAULT 149 && (cf->cf_loc[BCMCCBCF_PORT] != ccbaa->ccbaa_loc.loc_port 150 || (!is_bcmeth_p && !is_bcmpax_p))) 151 return 0; 152 153 ccbaa->ccbaa_loc.loc_mdio = cf->cf_loc[BCMCCBCF_MDIO]; 154 ccbaa->ccbaa_loc.loc_phy = cf->cf_loc[BCMCCBCF_PHY]; 155 if (!is_bcmeth_p) { 156 const bool is_mdio_default_p = ccbaa->ccbaa_loc.loc_mdio == BCMCCBCF_MDIO_DEFAULT; 157 const bool is_phy_default_p = ccbaa->ccbaa_loc.loc_phy == BCMCCBCF_PHY_DEFAULT; 158 if (!is_mdio_default_p || !is_phy_default_p) 159 return 0; 160 } 161 162 return config_match(parent, cf, ccbaa); 163 } 164 165 static void 166 bcmccb_mainbus_attach(device_t parent, device_t self, void *aux) 167 { 168 struct bcmccb_softc * const sc = &bcmccb_sc; 169 170 sc->sc_dev = self; 171 device_set_private(self, sc); 172 173 sc->sc_bst = bcm53xx_ioreg_bst; 174 175 bus_space_subregion (sc->sc_bst, bcm53xx_ioreg_bsh, 176 CCB_BASE, CCB_SIZE, &sc->sc_bsh); 177 178 aprint_naive("\n"); 179 aprint_normal("\n"); 180 181 for (size_t i = 0; i < __arraycount(bcmccb_locators); i++) { 182 const struct bcm_locators *loc = &bcmccb_locators[i]; 183 184 #ifdef BCM5301X 185 if (strcmp(loc->loc_name, "bcmsw") == 0) { 186 bcm53xx_srab_init(); // need this for ethernet. 187 } 188 #endif 189 190 struct bcmccb_attach_args ccbaa = { 191 .ccbaa_ccb_bst = sc->sc_bst, 192 .ccbaa_ccb_bsh = sc->sc_bsh, 193 .ccbaa_dmat = &bcm53xx_dma_tag, 194 .ccbaa_loc = *loc, 195 }; 196 197 /* 198 * If the device might be in reset, let's try to take it 199 * out of it. If it fails or is unavailable, skip it. 200 */ 201 if (!bcm53xx_idm_device_init(loc, sc->sc_bst, sc->sc_bsh)) 202 continue; 203 204 cfdata_t cf = config_search(self, &ccbaa, 205 CFARGS(.submatch = bcmccb_find)); 206 if (cf != NULL) 207 config_attach(self, cf, &ccbaa, bcmccb_print, 208 CFARGS_NONE); 209 } 210 } 211
Indexes created Sat Oct 11 19:10:01 GMT 2025