1a9caca6aSWojciech A. Koszek /*- 2718cf2ccSPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3718cf2ccSPedro F. Giffuni * 4a9caca6aSWojciech A. Koszek * Copyright (c) 2012 Thomas Skibo 5a9caca6aSWojciech A. Koszek * Copyright (c) 2008 Alexander Motin <mav@FreeBSD.org> 6a9caca6aSWojciech A. Koszek * All rights reserved. 7a9caca6aSWojciech A. Koszek * 8a9caca6aSWojciech A. Koszek * Redistribution and use in source and binary forms, with or without 9a9caca6aSWojciech A. Koszek * modification, are permitted provided that the following conditions 10a9caca6aSWojciech A. Koszek * are met: 11a9caca6aSWojciech A. Koszek * 1. Redistributions of source code must retain the above copyright 12a9caca6aSWojciech A. Koszek * notice, this list of conditions and the following disclaimer. 13a9caca6aSWojciech A. Koszek * 2. Redistributions in binary form must reproduce the above copyright 14a9caca6aSWojciech A. Koszek * notice, this list of conditions and the following disclaimer in the 15a9caca6aSWojciech A. Koszek * documentation and/or other materials provided with the distribution. 16a9caca6aSWojciech A. Koszek * 17a9caca6aSWojciech A. Koszek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18a9caca6aSWojciech A. Koszek * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19a9caca6aSWojciech A. Koszek * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20a9caca6aSWojciech A. Koszek * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21a9caca6aSWojciech A. Koszek * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22a9caca6aSWojciech A. Koszek * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a9caca6aSWojciech A. Koszek * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a9caca6aSWojciech A. Koszek * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a9caca6aSWojciech A. Koszek * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26a9caca6aSWojciech A. Koszek * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a9caca6aSWojciech A. Koszek */ 28a9caca6aSWojciech A. Koszek 29a9caca6aSWojciech A. Koszek /* Generic driver to attach sdhci controllers on simplebus. 30a9caca6aSWojciech A. Koszek * Derived mainly from sdhci_pci.c 31a9caca6aSWojciech A. Koszek */ 32a9caca6aSWojciech A. Koszek 33a9caca6aSWojciech A. Koszek #include <sys/cdefs.h> 34a9caca6aSWojciech A. Koszek __FBSDID("$FreeBSD$"); 35a9caca6aSWojciech A. Koszek 36a9caca6aSWojciech A. Koszek #include <sys/param.h> 37a9caca6aSWojciech A. Koszek #include <sys/systm.h> 38a9caca6aSWojciech A. Koszek #include <sys/bus.h> 39a9caca6aSWojciech A. Koszek #include <sys/kernel.h> 40a9caca6aSWojciech A. Koszek #include <sys/lock.h> 41a9caca6aSWojciech A. Koszek #include <sys/module.h> 42a9caca6aSWojciech A. Koszek #include <sys/mutex.h> 43a9caca6aSWojciech A. Koszek #include <sys/resource.h> 44a9caca6aSWojciech A. Koszek #include <sys/rman.h> 45a9caca6aSWojciech A. Koszek #include <sys/sysctl.h> 46a9caca6aSWojciech A. Koszek #include <sys/taskqueue.h> 47a9caca6aSWojciech A. Koszek 48a9caca6aSWojciech A. Koszek #include <machine/bus.h> 49a9caca6aSWojciech A. Koszek #include <machine/resource.h> 50a9caca6aSWojciech A. Koszek 51a9caca6aSWojciech A. Koszek #include <dev/fdt/fdt_common.h> 52a9caca6aSWojciech A. Koszek #include <dev/ofw/ofw_bus.h> 53a9caca6aSWojciech A. Koszek #include <dev/ofw/ofw_bus_subr.h> 54a9caca6aSWojciech A. Koszek 55b24594e5SGanbold Tsagaankhuu #ifdef EXT_RESOURCES 56b24594e5SGanbold Tsagaankhuu #include <dev/ofw/ofw_subr.h> 57b24594e5SGanbold Tsagaankhuu #include <dev/extres/clk/clk.h> 58b24594e5SGanbold Tsagaankhuu #include <dev/extres/clk/clk_fixed.h> 59b24594e5SGanbold Tsagaankhuu #include <dev/extres/syscon/syscon.h> 60b24594e5SGanbold Tsagaankhuu #include <dev/extres/phy/phy.h> 61b24594e5SGanbold Tsagaankhuu #endif 62b24594e5SGanbold Tsagaankhuu 63a9caca6aSWojciech A. Koszek #include <dev/mmc/bridge.h> 64b440e965SMarius Strobl 65a9caca6aSWojciech A. Koszek #include <dev/sdhci/sdhci.h> 66a9caca6aSWojciech A. Koszek 67a9caca6aSWojciech A. Koszek #include "mmcbr_if.h" 68a9caca6aSWojciech A. Koszek #include "sdhci_if.h" 69a9caca6aSWojciech A. Koszek 70d597cfd5SEmmanuel Vadot #include "opt_mmccam.h" 71d597cfd5SEmmanuel Vadot 72b24594e5SGanbold Tsagaankhuu #ifdef EXT_RESOURCES 73b24594e5SGanbold Tsagaankhuu #include "clkdev_if.h" 74b24594e5SGanbold Tsagaankhuu #include "syscon_if.h" 75b24594e5SGanbold Tsagaankhuu #endif 76b24594e5SGanbold Tsagaankhuu 77a9caca6aSWojciech A. Koszek #define MAX_SLOTS 6 78018101a8SLuiz Otavio O Souza #define SDHCI_FDT_ARMADA38X 1 79018101a8SLuiz Otavio O Souza #define SDHCI_FDT_GENERIC 2 80018101a8SLuiz Otavio O Souza #define SDHCI_FDT_XLNX_ZY7 3 813d22784fSRuslan Bukin #define SDHCI_FDT_QUALCOMM 4 82b24594e5SGanbold Tsagaankhuu #define SDHCI_FDT_RK3399 5 83b24594e5SGanbold Tsagaankhuu 84b24594e5SGanbold Tsagaankhuu #ifdef EXT_RESOURCES 85b24594e5SGanbold Tsagaankhuu #define RK3399_GRF_EMMCCORE_CON0 0xf000 86b24594e5SGanbold Tsagaankhuu #define RK3399_CORECFG_BASECLKFREQ 0xff00 87b24594e5SGanbold Tsagaankhuu #define RK3399_CORECFG_TIMEOUTCLKUNIT (1 << 7) 88b24594e5SGanbold Tsagaankhuu #define RK3399_CORECFG_TUNINGCOUNT 0x3f 89b24594e5SGanbold Tsagaankhuu #define RK3399_GRF_EMMCCORE_CON11 0xf02c 90b24594e5SGanbold Tsagaankhuu #define RK3399_CORECFG_CLOCKMULTIPLIER 0xff 91b24594e5SGanbold Tsagaankhuu 92b24594e5SGanbold Tsagaankhuu #define LOWEST_SET_BIT(mask) ((((mask) - 1) & (mask)) ^ (mask)) 93b24594e5SGanbold Tsagaankhuu #define SHIFTIN(x, mask) ((x) * LOWEST_SET_BIT(mask)) 94b24594e5SGanbold Tsagaankhuu 95b24594e5SGanbold Tsagaankhuu #define EMMCCARDCLK_ID 1000 96b24594e5SGanbold Tsagaankhuu #endif 97018101a8SLuiz Otavio O Souza 98018101a8SLuiz Otavio O Souza static struct ofw_compat_data compat_data[] = { 99018101a8SLuiz Otavio O Souza { "marvell,armada-380-sdhci", SDHCI_FDT_ARMADA38X }, 100018101a8SLuiz Otavio O Souza { "sdhci_generic", SDHCI_FDT_GENERIC }, 1013d22784fSRuslan Bukin { "qcom,sdhci-msm-v4", SDHCI_FDT_QUALCOMM }, 102b24594e5SGanbold Tsagaankhuu { "rockchip,rk3399-sdhci-5.1", SDHCI_FDT_RK3399 }, 103018101a8SLuiz Otavio O Souza { "xlnx,zy7_sdhci", SDHCI_FDT_XLNX_ZY7 }, 104018101a8SLuiz Otavio O Souza { NULL, 0 } 105018101a8SLuiz Otavio O Souza }; 106a9caca6aSWojciech A. Koszek 107a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc { 108a9caca6aSWojciech A. Koszek device_t dev; /* Controller device */ 109a9caca6aSWojciech A. Koszek u_int quirks; /* Chip specific quirks */ 110a9caca6aSWojciech A. Koszek u_int caps; /* If we override SDHCI_CAPABILITIES */ 111e625c10bSIan Lepore uint32_t max_clk; /* Max possible freq */ 112ab00a509SMarius Strobl uint8_t sdma_boundary; /* If we override the SDMA boundary */ 113a9caca6aSWojciech A. Koszek struct resource *irq_res; /* IRQ resource */ 114a9caca6aSWojciech A. Koszek void *intrhand; /* Interrupt handle */ 115a9caca6aSWojciech A. Koszek 116a9caca6aSWojciech A. Koszek int num_slots; /* Number of slots on this controller*/ 117a9caca6aSWojciech A. Koszek struct sdhci_slot slots[MAX_SLOTS]; 118a9caca6aSWojciech A. Koszek struct resource *mem_res[MAX_SLOTS]; /* Memory resource */ 119cd394501SLuiz Otavio O Souza 120cd394501SLuiz Otavio O Souza bool wp_inverted; /* WP pin is inverted */ 121cd394501SLuiz Otavio O Souza bool no_18v; /* No 1.8V support */ 122b24594e5SGanbold Tsagaankhuu 123b24594e5SGanbold Tsagaankhuu #ifdef EXT_RESOURCES 124b24594e5SGanbold Tsagaankhuu clk_t clk_xin; /* xin24m fixed clock */ 125b24594e5SGanbold Tsagaankhuu clk_t clk_ahb; /* ahb clock */ 126b24594e5SGanbold Tsagaankhuu phy_t phy; /* phy to be used */ 127b24594e5SGanbold Tsagaankhuu #endif 128a9caca6aSWojciech A. Koszek }; 129a9caca6aSWojciech A. Koszek 130b24594e5SGanbold Tsagaankhuu #ifdef EXT_RESOURCES 131b24594e5SGanbold Tsagaankhuu struct rk3399_emmccardclk_sc { 132b24594e5SGanbold Tsagaankhuu device_t clkdev; 133b24594e5SGanbold Tsagaankhuu bus_addr_t reg; 134b24594e5SGanbold Tsagaankhuu }; 135b24594e5SGanbold Tsagaankhuu 136b24594e5SGanbold Tsagaankhuu static int 137b24594e5SGanbold Tsagaankhuu rk3399_emmccardclk_init(struct clknode *clk, device_t dev) 138b24594e5SGanbold Tsagaankhuu { 139b24594e5SGanbold Tsagaankhuu 140b24594e5SGanbold Tsagaankhuu clknode_init_parent_idx(clk, 0); 141b24594e5SGanbold Tsagaankhuu return (0); 142b24594e5SGanbold Tsagaankhuu } 143b24594e5SGanbold Tsagaankhuu 144b24594e5SGanbold Tsagaankhuu static clknode_method_t rk3399_emmccardclk_clknode_methods[] = { 145b24594e5SGanbold Tsagaankhuu /* Device interface */ 146b24594e5SGanbold Tsagaankhuu CLKNODEMETHOD(clknode_init, rk3399_emmccardclk_init), 147b24594e5SGanbold Tsagaankhuu CLKNODEMETHOD_END 148b24594e5SGanbold Tsagaankhuu }; 149b24594e5SGanbold Tsagaankhuu DEFINE_CLASS_1(rk3399_emmccardclk_clknode, rk3399_emmccardclk_clknode_class, 150b24594e5SGanbold Tsagaankhuu rk3399_emmccardclk_clknode_methods, sizeof(struct rk3399_emmccardclk_sc), 151b24594e5SGanbold Tsagaankhuu clknode_class); 152b24594e5SGanbold Tsagaankhuu 153b24594e5SGanbold Tsagaankhuu static int 154b24594e5SGanbold Tsagaankhuu rk3399_ofw_map(struct clkdom *clkdom, uint32_t ncells, 155b24594e5SGanbold Tsagaankhuu phandle_t *cells, struct clknode **clk) 156b24594e5SGanbold Tsagaankhuu { 157b24594e5SGanbold Tsagaankhuu 158b24594e5SGanbold Tsagaankhuu if (ncells == 0) 159b24594e5SGanbold Tsagaankhuu *clk = clknode_find_by_id(clkdom, EMMCCARDCLK_ID); 160b24594e5SGanbold Tsagaankhuu else 161b24594e5SGanbold Tsagaankhuu return (ERANGE); 162b24594e5SGanbold Tsagaankhuu 163b24594e5SGanbold Tsagaankhuu if (*clk == NULL) 164b24594e5SGanbold Tsagaankhuu return (ENXIO); 165b24594e5SGanbold Tsagaankhuu return (0); 166b24594e5SGanbold Tsagaankhuu } 167b24594e5SGanbold Tsagaankhuu 168b24594e5SGanbold Tsagaankhuu static void 169b24594e5SGanbold Tsagaankhuu sdhci_init_rk3399_emmccardclk(device_t dev) 170b24594e5SGanbold Tsagaankhuu { 171b24594e5SGanbold Tsagaankhuu struct clknode_init_def def; 172b24594e5SGanbold Tsagaankhuu struct rk3399_emmccardclk_sc *sc; 173b24594e5SGanbold Tsagaankhuu struct clkdom *clkdom; 174b24594e5SGanbold Tsagaankhuu struct clknode *clk; 175b24594e5SGanbold Tsagaankhuu clk_t clk_parent; 176b24594e5SGanbold Tsagaankhuu bus_addr_t paddr; 177b24594e5SGanbold Tsagaankhuu bus_size_t psize; 178b24594e5SGanbold Tsagaankhuu const char **clknames; 179b24594e5SGanbold Tsagaankhuu phandle_t node; 180b24594e5SGanbold Tsagaankhuu int i, nclocks, ncells, error; 181b24594e5SGanbold Tsagaankhuu 182b24594e5SGanbold Tsagaankhuu node = ofw_bus_get_node(dev); 183b24594e5SGanbold Tsagaankhuu 184b24594e5SGanbold Tsagaankhuu if (ofw_reg_to_paddr(node, 0, &paddr, &psize, NULL) != 0) { 185b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot parse 'reg' property\n"); 186b24594e5SGanbold Tsagaankhuu return; 187b24594e5SGanbold Tsagaankhuu } 188b24594e5SGanbold Tsagaankhuu 189b24594e5SGanbold Tsagaankhuu error = ofw_bus_parse_xref_list_get_length(node, "clocks", 190b24594e5SGanbold Tsagaankhuu "#clock-cells", &ncells); 191b24594e5SGanbold Tsagaankhuu if (error != 0 || ncells != 2) { 192b24594e5SGanbold Tsagaankhuu device_printf(dev, "couldn't find parent clocks\n"); 193b24594e5SGanbold Tsagaankhuu return; 194b24594e5SGanbold Tsagaankhuu } 195b24594e5SGanbold Tsagaankhuu 196b24594e5SGanbold Tsagaankhuu nclocks = ofw_bus_string_list_to_array(node, "clock-output-names", 197b24594e5SGanbold Tsagaankhuu &clknames); 198b24594e5SGanbold Tsagaankhuu /* No clocks to export */ 199b24594e5SGanbold Tsagaankhuu if (nclocks <= 0) 200b24594e5SGanbold Tsagaankhuu return; 201b24594e5SGanbold Tsagaankhuu 202b24594e5SGanbold Tsagaankhuu if (nclocks != 1) { 203b24594e5SGanbold Tsagaankhuu device_printf(dev, "Having %d clock instead of 1, aborting\n", 204b24594e5SGanbold Tsagaankhuu nclocks); 205b24594e5SGanbold Tsagaankhuu return; 206b24594e5SGanbold Tsagaankhuu } 207b24594e5SGanbold Tsagaankhuu 208b24594e5SGanbold Tsagaankhuu clkdom = clkdom_create(dev); 209b24594e5SGanbold Tsagaankhuu clkdom_set_ofw_mapper(clkdom, rk3399_ofw_map); 210b24594e5SGanbold Tsagaankhuu 211b24594e5SGanbold Tsagaankhuu memset(&def, 0, sizeof(def)); 212b24594e5SGanbold Tsagaankhuu def.id = EMMCCARDCLK_ID; 213b24594e5SGanbold Tsagaankhuu def.name = clknames[0]; 214b24594e5SGanbold Tsagaankhuu def.parent_names = malloc(sizeof(char *) * ncells, M_OFWPROP, M_WAITOK); 215b24594e5SGanbold Tsagaankhuu for (i = 0; i < ncells; i++) { 216b24594e5SGanbold Tsagaankhuu error = clk_get_by_ofw_index(dev, 0, i, &clk_parent); 217b24594e5SGanbold Tsagaankhuu if (error != 0) { 218b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot get clock %d\n", error); 219b24594e5SGanbold Tsagaankhuu return; 220b24594e5SGanbold Tsagaankhuu } 221b24594e5SGanbold Tsagaankhuu def.parent_names[i] = clk_get_name(clk_parent); 222b24594e5SGanbold Tsagaankhuu if (bootverbose) 223b24594e5SGanbold Tsagaankhuu device_printf(dev, "clk parent: %s\n", 224b24594e5SGanbold Tsagaankhuu def.parent_names[i]); 225b24594e5SGanbold Tsagaankhuu clk_release(clk_parent); 226b24594e5SGanbold Tsagaankhuu } 227b24594e5SGanbold Tsagaankhuu def.parent_cnt = ncells; 228b24594e5SGanbold Tsagaankhuu 229b24594e5SGanbold Tsagaankhuu clk = clknode_create(clkdom, &rk3399_emmccardclk_clknode_class, &def); 230b24594e5SGanbold Tsagaankhuu if (clk == NULL) { 231b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot create clknode\n"); 232b24594e5SGanbold Tsagaankhuu return; 233b24594e5SGanbold Tsagaankhuu } 234b24594e5SGanbold Tsagaankhuu 235b24594e5SGanbold Tsagaankhuu sc = clknode_get_softc(clk); 236b24594e5SGanbold Tsagaankhuu sc->reg = paddr; 237b24594e5SGanbold Tsagaankhuu sc->clkdev = device_get_parent(dev); 238b24594e5SGanbold Tsagaankhuu 239b24594e5SGanbold Tsagaankhuu clknode_register(clkdom, clk); 240b24594e5SGanbold Tsagaankhuu 241b24594e5SGanbold Tsagaankhuu if (clkdom_finit(clkdom) != 0) { 242b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot finalize clkdom initialization\n"); 243b24594e5SGanbold Tsagaankhuu return; 244b24594e5SGanbold Tsagaankhuu } 245b24594e5SGanbold Tsagaankhuu 246b24594e5SGanbold Tsagaankhuu if (bootverbose) 247b24594e5SGanbold Tsagaankhuu clkdom_dump(clkdom); 248b24594e5SGanbold Tsagaankhuu } 249b24594e5SGanbold Tsagaankhuu 250b24594e5SGanbold Tsagaankhuu static int 251b24594e5SGanbold Tsagaankhuu sdhci_init_rk3399(device_t dev) 252b24594e5SGanbold Tsagaankhuu { 253b24594e5SGanbold Tsagaankhuu struct sdhci_fdt_softc *sc = device_get_softc(dev); 254b24594e5SGanbold Tsagaankhuu struct syscon *grf = NULL; 255b24594e5SGanbold Tsagaankhuu phandle_t node; 256b24594e5SGanbold Tsagaankhuu uint64_t freq; 257b24594e5SGanbold Tsagaankhuu uint32_t mask, val; 258b24594e5SGanbold Tsagaankhuu int error; 259b24594e5SGanbold Tsagaankhuu 260b24594e5SGanbold Tsagaankhuu /* Get and activate clocks */ 261b24594e5SGanbold Tsagaankhuu error = clk_get_by_ofw_name(dev, 0, "clk_xin", &sc->clk_xin); 262b24594e5SGanbold Tsagaankhuu if (error != 0) { 263b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot get xin clock\n"); 264b24594e5SGanbold Tsagaankhuu return (ENXIO); 265b24594e5SGanbold Tsagaankhuu } 266b24594e5SGanbold Tsagaankhuu error = clk_enable(sc->clk_xin); 267b24594e5SGanbold Tsagaankhuu if (error != 0) { 268b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot enable xin clock\n"); 269b24594e5SGanbold Tsagaankhuu return (ENXIO); 270b24594e5SGanbold Tsagaankhuu } 271b24594e5SGanbold Tsagaankhuu error = clk_get_freq(sc->clk_xin, &freq); 272b24594e5SGanbold Tsagaankhuu if (error != 0) { 273b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot get xin clock frequency\n"); 274b24594e5SGanbold Tsagaankhuu return (ENXIO); 275b24594e5SGanbold Tsagaankhuu } 276b24594e5SGanbold Tsagaankhuu error = clk_get_by_ofw_name(dev, 0, "clk_ahb", &sc->clk_ahb); 277b24594e5SGanbold Tsagaankhuu if (error != 0) { 278b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot get ahb clock\n"); 279b24594e5SGanbold Tsagaankhuu return (ENXIO); 280b24594e5SGanbold Tsagaankhuu } 281b24594e5SGanbold Tsagaankhuu error = clk_enable(sc->clk_ahb); 282b24594e5SGanbold Tsagaankhuu if (error != 0) { 283b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot enable ahb clock\n"); 284b24594e5SGanbold Tsagaankhuu return (ENXIO); 285b24594e5SGanbold Tsagaankhuu } 286b24594e5SGanbold Tsagaankhuu 287b24594e5SGanbold Tsagaankhuu /* Register clock */ 288b24594e5SGanbold Tsagaankhuu sdhci_init_rk3399_emmccardclk(dev); 289b24594e5SGanbold Tsagaankhuu 290b24594e5SGanbold Tsagaankhuu /* Enable PHY */ 291b24594e5SGanbold Tsagaankhuu error = phy_get_by_ofw_name(dev, 0, "phy_arasan", &sc->phy); 292b24594e5SGanbold Tsagaankhuu if (error != 0) { 293b24594e5SGanbold Tsagaankhuu device_printf(dev, "Could not get phy\n"); 294b24594e5SGanbold Tsagaankhuu return (ENXIO); 295b24594e5SGanbold Tsagaankhuu } 296b24594e5SGanbold Tsagaankhuu error = phy_enable(sc->phy); 297b24594e5SGanbold Tsagaankhuu if (error != 0) { 298b24594e5SGanbold Tsagaankhuu device_printf(dev, "Could not enable phy\n"); 299b24594e5SGanbold Tsagaankhuu return (ENXIO); 300b24594e5SGanbold Tsagaankhuu } 301b24594e5SGanbold Tsagaankhuu /* Get syscon */ 302b24594e5SGanbold Tsagaankhuu node = ofw_bus_get_node(dev); 303b24594e5SGanbold Tsagaankhuu if (OF_hasprop(node, "arasan,soc-ctl-syscon") && 304b24594e5SGanbold Tsagaankhuu syscon_get_by_ofw_property(dev, node, 305b24594e5SGanbold Tsagaankhuu "arasan,soc-ctl-syscon", &grf) != 0) { 306b24594e5SGanbold Tsagaankhuu device_printf(dev, "cannot get grf driver handle\n"); 307b24594e5SGanbold Tsagaankhuu return (ENXIO); 308b24594e5SGanbold Tsagaankhuu } 309b24594e5SGanbold Tsagaankhuu 310b24594e5SGanbold Tsagaankhuu /* Disable clock multiplier */ 311b24594e5SGanbold Tsagaankhuu mask = RK3399_CORECFG_CLOCKMULTIPLIER; 312b24594e5SGanbold Tsagaankhuu val = 0; 313b24594e5SGanbold Tsagaankhuu SYSCON_WRITE_4(grf, RK3399_GRF_EMMCCORE_CON11, (mask << 16) | val); 314b24594e5SGanbold Tsagaankhuu 315b24594e5SGanbold Tsagaankhuu /* Set base clock frequency */ 316b24594e5SGanbold Tsagaankhuu mask = RK3399_CORECFG_BASECLKFREQ; 317b24594e5SGanbold Tsagaankhuu val = SHIFTIN((freq + (1000000 / 2)) / 1000000, 318b24594e5SGanbold Tsagaankhuu RK3399_CORECFG_BASECLKFREQ); 319b24594e5SGanbold Tsagaankhuu SYSCON_WRITE_4(grf, RK3399_GRF_EMMCCORE_CON0, (mask << 16) | val); 320b24594e5SGanbold Tsagaankhuu 321b24594e5SGanbold Tsagaankhuu return (0); 322b24594e5SGanbold Tsagaankhuu } 323b24594e5SGanbold Tsagaankhuu #endif 324b24594e5SGanbold Tsagaankhuu 325a9caca6aSWojciech A. Koszek static uint8_t 326a9caca6aSWojciech A. Koszek sdhci_fdt_read_1(device_t dev, struct sdhci_slot *slot, bus_size_t off) 327a9caca6aSWojciech A. Koszek { 328a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3297e6ccea3SMarius Strobl 330a9caca6aSWojciech A. Koszek return (bus_read_1(sc->mem_res[slot->num], off)); 331a9caca6aSWojciech A. Koszek } 332a9caca6aSWojciech A. Koszek 333a9caca6aSWojciech A. Koszek static void 334a9caca6aSWojciech A. Koszek sdhci_fdt_write_1(device_t dev, struct sdhci_slot *slot, bus_size_t off, 335a9caca6aSWojciech A. Koszek uint8_t val) 336a9caca6aSWojciech A. Koszek { 337a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3387e6ccea3SMarius Strobl 339a9caca6aSWojciech A. Koszek bus_write_1(sc->mem_res[slot->num], off, val); 340a9caca6aSWojciech A. Koszek } 341a9caca6aSWojciech A. Koszek 342a9caca6aSWojciech A. Koszek static uint16_t 343a9caca6aSWojciech A. Koszek sdhci_fdt_read_2(device_t dev, struct sdhci_slot *slot, bus_size_t off) 344a9caca6aSWojciech A. Koszek { 345a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3467e6ccea3SMarius Strobl 347a9caca6aSWojciech A. Koszek return (bus_read_2(sc->mem_res[slot->num], off)); 348a9caca6aSWojciech A. Koszek } 349a9caca6aSWojciech A. Koszek 350a9caca6aSWojciech A. Koszek static void 351a9caca6aSWojciech A. Koszek sdhci_fdt_write_2(device_t dev, struct sdhci_slot *slot, bus_size_t off, 352a9caca6aSWojciech A. Koszek uint16_t val) 353a9caca6aSWojciech A. Koszek { 354a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3557e6ccea3SMarius Strobl 356a9caca6aSWojciech A. Koszek bus_write_2(sc->mem_res[slot->num], off, val); 357a9caca6aSWojciech A. Koszek } 358a9caca6aSWojciech A. Koszek 359a9caca6aSWojciech A. Koszek static uint32_t 360a9caca6aSWojciech A. Koszek sdhci_fdt_read_4(device_t dev, struct sdhci_slot *slot, bus_size_t off) 361a9caca6aSWojciech A. Koszek { 362a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 363cd394501SLuiz Otavio O Souza uint32_t val32; 3647e6ccea3SMarius Strobl 365cd394501SLuiz Otavio O Souza val32 = bus_read_4(sc->mem_res[slot->num], off); 366cd394501SLuiz Otavio O Souza if (off == SDHCI_CAPABILITIES && sc->no_18v) 367cd394501SLuiz Otavio O Souza val32 &= ~SDHCI_CAN_VDD_180; 368cd394501SLuiz Otavio O Souza 369cd394501SLuiz Otavio O Souza return (val32); 370a9caca6aSWojciech A. Koszek } 371a9caca6aSWojciech A. Koszek 372a9caca6aSWojciech A. Koszek static void 373a9caca6aSWojciech A. Koszek sdhci_fdt_write_4(device_t dev, struct sdhci_slot *slot, bus_size_t off, 374a9caca6aSWojciech A. Koszek uint32_t val) 375a9caca6aSWojciech A. Koszek { 376a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3777e6ccea3SMarius Strobl 378a9caca6aSWojciech A. Koszek bus_write_4(sc->mem_res[slot->num], off, val); 379a9caca6aSWojciech A. Koszek } 380a9caca6aSWojciech A. Koszek 381a9caca6aSWojciech A. Koszek static void 382a9caca6aSWojciech A. Koszek sdhci_fdt_read_multi_4(device_t dev, struct sdhci_slot *slot, 383a9caca6aSWojciech A. Koszek bus_size_t off, uint32_t *data, bus_size_t count) 384a9caca6aSWojciech A. Koszek { 385a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3867e6ccea3SMarius Strobl 387a9caca6aSWojciech A. Koszek bus_read_multi_4(sc->mem_res[slot->num], off, data, count); 388a9caca6aSWojciech A. Koszek } 389a9caca6aSWojciech A. Koszek 390a9caca6aSWojciech A. Koszek static void 391a9caca6aSWojciech A. Koszek sdhci_fdt_write_multi_4(device_t dev, struct sdhci_slot *slot, 392a9caca6aSWojciech A. Koszek bus_size_t off, uint32_t *data, bus_size_t count) 393a9caca6aSWojciech A. Koszek { 394a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 3957e6ccea3SMarius Strobl 396a9caca6aSWojciech A. Koszek bus_write_multi_4(sc->mem_res[slot->num], off, data, count); 397a9caca6aSWojciech A. Koszek } 398a9caca6aSWojciech A. Koszek 399a9caca6aSWojciech A. Koszek static void 400a9caca6aSWojciech A. Koszek sdhci_fdt_intr(void *arg) 401a9caca6aSWojciech A. Koszek { 402a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = (struct sdhci_fdt_softc *)arg; 403a9caca6aSWojciech A. Koszek int i; 404a9caca6aSWojciech A. Koszek 4057e6ccea3SMarius Strobl for (i = 0; i < sc->num_slots; i++) 4067e6ccea3SMarius Strobl sdhci_generic_intr(&sc->slots[i]); 407a9caca6aSWojciech A. Koszek } 408a9caca6aSWojciech A. Koszek 409a9caca6aSWojciech A. Koszek static int 410cd394501SLuiz Otavio O Souza sdhci_fdt_get_ro(device_t bus, device_t dev) 411cd394501SLuiz Otavio O Souza { 412cd394501SLuiz Otavio O Souza struct sdhci_fdt_softc *sc = device_get_softc(bus); 413cd394501SLuiz Otavio O Souza 414cd394501SLuiz Otavio O Souza return (sdhci_generic_get_ro(bus, dev) ^ sc->wp_inverted); 415cd394501SLuiz Otavio O Souza } 416cd394501SLuiz Otavio O Souza 417cd394501SLuiz Otavio O Souza static int 418a9caca6aSWojciech A. Koszek sdhci_fdt_probe(device_t dev) 419a9caca6aSWojciech A. Koszek { 420a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 421a9caca6aSWojciech A. Koszek phandle_t node; 422a9caca6aSWojciech A. Koszek pcell_t cid; 423a9caca6aSWojciech A. Koszek 424a9caca6aSWojciech A. Koszek sc->quirks = 0; 425a9caca6aSWojciech A. Koszek sc->num_slots = 1; 426e625c10bSIan Lepore sc->max_clk = 0; 427a9caca6aSWojciech A. Koszek 428add35ed5SIan Lepore if (!ofw_bus_status_okay(dev)) 429add35ed5SIan Lepore return (ENXIO); 430add35ed5SIan Lepore 431018101a8SLuiz Otavio O Souza switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data) { 432018101a8SLuiz Otavio O Souza case SDHCI_FDT_ARMADA38X: 433018101a8SLuiz Otavio O Souza sc->quirks = SDHCI_QUIRK_BROKEN_AUTO_STOP; 434018101a8SLuiz Otavio O Souza device_set_desc(dev, "ARMADA38X SDHCI controller"); 435018101a8SLuiz Otavio O Souza break; 436018101a8SLuiz Otavio O Souza case SDHCI_FDT_GENERIC: 437a9caca6aSWojciech A. Koszek device_set_desc(dev, "generic fdt SDHCI controller"); 438018101a8SLuiz Otavio O Souza break; 4393d22784fSRuslan Bukin case SDHCI_FDT_QUALCOMM: 440ab00a509SMarius Strobl sc->quirks = SDHCI_QUIRK_ALL_SLOTS_NON_REMOVABLE | 441ab00a509SMarius Strobl SDHCI_QUIRK_BROKEN_SDMA_BOUNDARY; 442ab00a509SMarius Strobl sc->sdma_boundary = SDHCI_BLKSZ_SDMA_BNDRY_4K; 4433d22784fSRuslan Bukin device_set_desc(dev, "Qualcomm FDT SDHCI controller"); 4443d22784fSRuslan Bukin break; 445b24594e5SGanbold Tsagaankhuu case SDHCI_FDT_RK3399: 446b24594e5SGanbold Tsagaankhuu device_set_desc(dev, "Rockchip RK3399 fdt SDHCI controller"); 447b24594e5SGanbold Tsagaankhuu break; 448018101a8SLuiz Otavio O Souza case SDHCI_FDT_XLNX_ZY7: 449a9caca6aSWojciech A. Koszek sc->quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK; 450a9caca6aSWojciech A. Koszek device_set_desc(dev, "Zynq-7000 generic fdt SDHCI controller"); 451018101a8SLuiz Otavio O Souza break; 452018101a8SLuiz Otavio O Souza default: 453a9caca6aSWojciech A. Koszek return (ENXIO); 454018101a8SLuiz Otavio O Souza } 455a9caca6aSWojciech A. Koszek 456a9caca6aSWojciech A. Koszek node = ofw_bus_get_node(dev); 457a9caca6aSWojciech A. Koszek 458e625c10bSIan Lepore /* Allow dts to patch quirks, slots, and max-frequency. */ 459e625c10bSIan Lepore if ((OF_getencprop(node, "quirks", &cid, sizeof(cid))) > 0) 460e625c10bSIan Lepore sc->quirks = cid; 461e625c10bSIan Lepore if ((OF_getencprop(node, "num-slots", &cid, sizeof(cid))) > 0) 462e625c10bSIan Lepore sc->num_slots = cid; 463e625c10bSIan Lepore if ((OF_getencprop(node, "max-frequency", &cid, sizeof(cid))) > 0) 464e625c10bSIan Lepore sc->max_clk = cid; 465cd394501SLuiz Otavio O Souza if (OF_hasprop(node, "no-1-8-v")) 466cd394501SLuiz Otavio O Souza sc->no_18v = true; 467cd394501SLuiz Otavio O Souza if (OF_hasprop(node, "wp-inverted")) 468cd394501SLuiz Otavio O Souza sc->wp_inverted = true; 469e625c10bSIan Lepore 470a9caca6aSWojciech A. Koszek return (0); 471a9caca6aSWojciech A. Koszek } 472a9caca6aSWojciech A. Koszek 473a9caca6aSWojciech A. Koszek static int 474a9caca6aSWojciech A. Koszek sdhci_fdt_attach(device_t dev) 475a9caca6aSWojciech A. Koszek { 476a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 4777e6ccea3SMarius Strobl struct sdhci_slot *slot; 478a9caca6aSWojciech A. Koszek int err, slots, rid, i; 479a9caca6aSWojciech A. Koszek 480a9caca6aSWojciech A. Koszek sc->dev = dev; 481a9caca6aSWojciech A. Koszek 482a9caca6aSWojciech A. Koszek /* Allocate IRQ. */ 483a9caca6aSWojciech A. Koszek rid = 0; 484a9caca6aSWojciech A. Koszek sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 485a9caca6aSWojciech A. Koszek RF_ACTIVE); 486a9caca6aSWojciech A. Koszek if (sc->irq_res == NULL) { 487a9caca6aSWojciech A. Koszek device_printf(dev, "Can't allocate IRQ\n"); 488a9caca6aSWojciech A. Koszek return (ENOMEM); 489a9caca6aSWojciech A. Koszek } 490a9caca6aSWojciech A. Koszek 491b24594e5SGanbold Tsagaankhuu #ifdef EXT_RESOURCES 492b24594e5SGanbold Tsagaankhuu if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 493b24594e5SGanbold Tsagaankhuu SDHCI_FDT_RK3399) { 494b24594e5SGanbold Tsagaankhuu /* Initialize SDHCI */ 495b24594e5SGanbold Tsagaankhuu err = sdhci_init_rk3399(dev); 496b24594e5SGanbold Tsagaankhuu if (err != 0) { 497b24594e5SGanbold Tsagaankhuu device_printf(dev, "Cannot init RK3399 SDHCI\n"); 498b24594e5SGanbold Tsagaankhuu return (err); 499b24594e5SGanbold Tsagaankhuu } 500b24594e5SGanbold Tsagaankhuu } 501b24594e5SGanbold Tsagaankhuu #endif 502b24594e5SGanbold Tsagaankhuu 503a9caca6aSWojciech A. Koszek /* Scan all slots. */ 504a9caca6aSWojciech A. Koszek slots = sc->num_slots; /* number of slots determined in probe(). */ 505a9caca6aSWojciech A. Koszek sc->num_slots = 0; 506a9caca6aSWojciech A. Koszek for (i = 0; i < slots; i++) { 5077e6ccea3SMarius Strobl slot = &sc->slots[sc->num_slots]; 508a9caca6aSWojciech A. Koszek 509a9caca6aSWojciech A. Koszek /* Allocate memory. */ 510a9caca6aSWojciech A. Koszek rid = 0; 511a9caca6aSWojciech A. Koszek sc->mem_res[i] = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 512a9caca6aSWojciech A. Koszek &rid, RF_ACTIVE); 513a9caca6aSWojciech A. Koszek if (sc->mem_res[i] == NULL) { 5147e6ccea3SMarius Strobl device_printf(dev, 5157e6ccea3SMarius Strobl "Can't allocate memory for slot %d\n", i); 516a9caca6aSWojciech A. Koszek continue; 517a9caca6aSWojciech A. Koszek } 518a9caca6aSWojciech A. Koszek 519a9caca6aSWojciech A. Koszek slot->quirks = sc->quirks; 520a9caca6aSWojciech A. Koszek slot->caps = sc->caps; 521e625c10bSIan Lepore slot->max_clk = sc->max_clk; 522ab00a509SMarius Strobl slot->sdma_boundary = sc->sdma_boundary; 523a9caca6aSWojciech A. Koszek 524a9caca6aSWojciech A. Koszek if (sdhci_init_slot(dev, slot, i) != 0) 525a9caca6aSWojciech A. Koszek continue; 526a9caca6aSWojciech A. Koszek 527a9caca6aSWojciech A. Koszek sc->num_slots++; 528a9caca6aSWojciech A. Koszek } 529a9caca6aSWojciech A. Koszek device_printf(dev, "%d slot(s) allocated\n", sc->num_slots); 530a9caca6aSWojciech A. Koszek 531a9caca6aSWojciech A. Koszek /* Activate the interrupt */ 532a9caca6aSWojciech A. Koszek err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE, 533a9caca6aSWojciech A. Koszek NULL, sdhci_fdt_intr, sc, &sc->intrhand); 534a9caca6aSWojciech A. Koszek if (err) { 535a9caca6aSWojciech A. Koszek device_printf(dev, "Cannot setup IRQ\n"); 536a9caca6aSWojciech A. Koszek return (err); 537a9caca6aSWojciech A. Koszek } 538a9caca6aSWojciech A. Koszek 539a9caca6aSWojciech A. Koszek /* Process cards detection. */ 5407e6ccea3SMarius Strobl for (i = 0; i < sc->num_slots; i++) 5417e6ccea3SMarius Strobl sdhci_start_slot(&sc->slots[i]); 542a9caca6aSWojciech A. Koszek 543a9caca6aSWojciech A. Koszek return (0); 544a9caca6aSWojciech A. Koszek } 545a9caca6aSWojciech A. Koszek 546a9caca6aSWojciech A. Koszek static int 547a9caca6aSWojciech A. Koszek sdhci_fdt_detach(device_t dev) 548a9caca6aSWojciech A. Koszek { 549a9caca6aSWojciech A. Koszek struct sdhci_fdt_softc *sc = device_get_softc(dev); 550a9caca6aSWojciech A. Koszek int i; 551a9caca6aSWojciech A. Koszek 552a9caca6aSWojciech A. Koszek bus_generic_detach(dev); 553a9caca6aSWojciech A. Koszek bus_teardown_intr(dev, sc->irq_res, sc->intrhand); 554a9caca6aSWojciech A. Koszek bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq_res), 555a9caca6aSWojciech A. Koszek sc->irq_res); 556a9caca6aSWojciech A. Koszek 557a9caca6aSWojciech A. Koszek for (i = 0; i < sc->num_slots; i++) { 5587e6ccea3SMarius Strobl sdhci_cleanup_slot(&sc->slots[i]); 559a9caca6aSWojciech A. Koszek bus_release_resource(dev, SYS_RES_MEMORY, 5607e6ccea3SMarius Strobl rman_get_rid(sc->mem_res[i]), sc->mem_res[i]); 561a9caca6aSWojciech A. Koszek } 562a9caca6aSWojciech A. Koszek 563a9caca6aSWojciech A. Koszek return (0); 564a9caca6aSWojciech A. Koszek } 565a9caca6aSWojciech A. Koszek 566a9caca6aSWojciech A. Koszek static device_method_t sdhci_fdt_methods[] = { 567a9caca6aSWojciech A. Koszek /* device_if */ 568a9caca6aSWojciech A. Koszek DEVMETHOD(device_probe, sdhci_fdt_probe), 569a9caca6aSWojciech A. Koszek DEVMETHOD(device_attach, sdhci_fdt_attach), 570a9caca6aSWojciech A. Koszek DEVMETHOD(device_detach, sdhci_fdt_detach), 571a9caca6aSWojciech A. Koszek 572a9caca6aSWojciech A. Koszek /* Bus interface */ 573a9caca6aSWojciech A. Koszek DEVMETHOD(bus_read_ivar, sdhci_generic_read_ivar), 574a9caca6aSWojciech A. Koszek DEVMETHOD(bus_write_ivar, sdhci_generic_write_ivar), 575a9caca6aSWojciech A. Koszek 576a9caca6aSWojciech A. Koszek /* mmcbr_if */ 577a9caca6aSWojciech A. Koszek DEVMETHOD(mmcbr_update_ios, sdhci_generic_update_ios), 578a9caca6aSWojciech A. Koszek DEVMETHOD(mmcbr_request, sdhci_generic_request), 579cd394501SLuiz Otavio O Souza DEVMETHOD(mmcbr_get_ro, sdhci_fdt_get_ro), 580a9caca6aSWojciech A. Koszek DEVMETHOD(mmcbr_acquire_host, sdhci_generic_acquire_host), 581a9caca6aSWojciech A. Koszek DEVMETHOD(mmcbr_release_host, sdhci_generic_release_host), 582a9caca6aSWojciech A. Koszek 583a9caca6aSWojciech A. Koszek /* SDHCI registers accessors */ 584a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_read_1, sdhci_fdt_read_1), 585a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_read_2, sdhci_fdt_read_2), 586a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_read_4, sdhci_fdt_read_4), 587a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_read_multi_4, sdhci_fdt_read_multi_4), 588a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_write_1, sdhci_fdt_write_1), 589a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_write_2, sdhci_fdt_write_2), 590a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_write_4, sdhci_fdt_write_4), 591a9caca6aSWojciech A. Koszek DEVMETHOD(sdhci_write_multi_4, sdhci_fdt_write_multi_4), 592a9caca6aSWojciech A. Koszek 593a9caca6aSWojciech A. Koszek DEVMETHOD_END 594a9caca6aSWojciech A. Koszek }; 595a9caca6aSWojciech A. Koszek 596a9caca6aSWojciech A. Koszek static driver_t sdhci_fdt_driver = { 597a9caca6aSWojciech A. Koszek "sdhci_fdt", 598a9caca6aSWojciech A. Koszek sdhci_fdt_methods, 599a9caca6aSWojciech A. Koszek sizeof(struct sdhci_fdt_softc), 600a9caca6aSWojciech A. Koszek }; 601a9caca6aSWojciech A. Koszek static devclass_t sdhci_fdt_devclass; 602a9caca6aSWojciech A. Koszek 603f0d2731dSMarius Strobl DRIVER_MODULE(sdhci_fdt, simplebus, sdhci_fdt_driver, sdhci_fdt_devclass, 604f0d2731dSMarius Strobl NULL, NULL); 605ab00a509SMarius Strobl SDHCI_DEPEND(sdhci_fdt); 606b83d1009SEmmanuel Vadot #ifndef MMCCAM 60755dae242SMarius Strobl MMC_DECLARE_BRIDGE(sdhci_fdt); 608d597cfd5SEmmanuel Vadot #endif 609