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gt_mainbus.c revision 1.2.2.3
      1  1.2.2.2  rmind /*	$NetBSD: gt_mainbus.c,v 1.2.2.3 2011/03/05 20:51:29 rmind Exp $	*/
      2  1.2.2.2  rmind /*
      3  1.2.2.2  rmind  * Copyright (c) 2010 KIYOHARA Takashi
      4  1.2.2.2  rmind  * All rights reserved.
      5  1.2.2.2  rmind  *
      6  1.2.2.2  rmind  * Redistribution and use in source and binary forms, with or without
      7  1.2.2.2  rmind  * modification, are permitted provided that the following conditions
      8  1.2.2.2  rmind  * are met:
      9  1.2.2.2  rmind  * 1. Redistributions of source code must retain the above copyright
     10  1.2.2.2  rmind  *    notice, this list of conditions and the following disclaimer.
     11  1.2.2.2  rmind  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.2.2.2  rmind  *    notice, this list of conditions and the following disclaimer in the
     13  1.2.2.2  rmind  *    documentation and/or other materials provided with the distribution.
     14  1.2.2.2  rmind  *
     15  1.2.2.2  rmind  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  1.2.2.2  rmind  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  1.2.2.2  rmind  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  1.2.2.2  rmind  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19  1.2.2.2  rmind  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  1.2.2.2  rmind  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  1.2.2.2  rmind  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  1.2.2.2  rmind  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23  1.2.2.2  rmind  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  1.2.2.2  rmind  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  1.2.2.2  rmind  * POSSIBILITY OF SUCH DAMAGE.
     26  1.2.2.2  rmind  */
     27  1.2.2.2  rmind 
     28  1.2.2.2  rmind #include <sys/cdefs.h>
     29  1.2.2.2  rmind __KERNEL_RCSID(0, "$NetBSD: gt_mainbus.c,v 1.2.2.3 2011/03/05 20:51:29 rmind Exp $");
     30  1.2.2.2  rmind 
     31  1.2.2.2  rmind #include "opt_pci.h"
     32  1.2.2.2  rmind #include "opt_marvell.h"
     33  1.2.2.2  rmind #include "gtpci.h"
     34  1.2.2.2  rmind #include "pci.h"
     35  1.2.2.2  rmind #include "isa.h"
     36  1.2.2.2  rmind 
     37  1.2.2.2  rmind #define _POWERPC_BUS_DMA_PRIVATE
     38  1.2.2.2  rmind 
     39  1.2.2.2  rmind #include <sys/param.h>
     40  1.2.2.2  rmind #include <sys/device.h>
     41  1.2.2.2  rmind #include <sys/errno.h>
     42  1.2.2.2  rmind #include <sys/extent.h>
     43  1.2.2.2  rmind #include <sys/malloc.h>
     44  1.2.2.2  rmind 
     45  1.2.2.2  rmind #include <machine/autoconf.h>
     46  1.2.2.2  rmind #include <machine/bus.h>
     47  1.2.2.2  rmind #include <machine/isa_machdep.h>
     48  1.2.2.2  rmind #include <machine/pegasosreg.h>
     49  1.2.2.2  rmind 
     50  1.2.2.2  rmind #include <dev/pci/pcivar.h>
     51  1.2.2.2  rmind #include <dev/pci/pciconf.h>
     52  1.2.2.3  rmind #include <dev/pci/pcidevs.h>
     53  1.2.2.2  rmind 
     54  1.2.2.2  rmind #include <dev/marvell/gtreg.h>
     55  1.2.2.2  rmind #include <dev/marvell/gtvar.h>
     56  1.2.2.2  rmind #include <dev/marvell/gtpcireg.h>
     57  1.2.2.2  rmind #include <dev/marvell/gtpcivar.h>
     58  1.2.2.2  rmind #include <dev/marvell/marvellvar.h>
     59  1.2.2.2  rmind #include <dev/ofw/openfirm.h>
     60  1.2.2.2  rmind 
     61  1.2.2.2  rmind 
     62  1.2.2.2  rmind static int gt_match(device_t, cfdata_t, void *);
     63  1.2.2.2  rmind static void gt_attach(device_t, device_t, void *);
     64  1.2.2.2  rmind 
     65  1.2.2.2  rmind #if NGTPCI > 0
     66  1.2.2.2  rmind static void gtpci_md_attach_hook(device_t, device_t,
     67  1.2.2.2  rmind 				 struct pcibus_attach_args *);
     68  1.2.2.2  rmind void gtpci_md_conf_interrupt(void *, int, int, int, int, int *);
     69  1.2.2.2  rmind int gtpci_md_conf_hook(void *, int, int, int, pcireg_t);
     70  1.2.2.2  rmind #endif
     71  1.2.2.2  rmind 
     72  1.2.2.2  rmind CFATTACH_DECL_NEW(gt, sizeof(struct gt_softc), gt_match, gt_attach, NULL, NULL);
     73  1.2.2.2  rmind 
     74  1.2.2.2  rmind static struct powerpc_bus_space pegasosii_gt_bs_tag = {
     75  1.2.2.2  rmind 	.pbs_offset = PEGASOS2_GT_REGBASE,
     76  1.2.2.2  rmind 	.pbs_base = 0x00000000,
     77  1.2.2.2  rmind 	.pbs_limit = GT_SIZE,
     78  1.2.2.2  rmind };
     79  1.2.2.2  rmind static char ex_storage[EXTENT_FIXED_STORAGE_SIZE(8)]
     80  1.2.2.2  rmind     __attribute__((aligned(8)));
     81  1.2.2.2  rmind 
     82  1.2.2.2  rmind struct powerpc_bus_dma_tag pegasosii_bus_dma_tag = {
     83  1.2.2.2  rmind         0,				/* _bounce_thresh */
     84  1.2.2.2  rmind 	_bus_dmamap_create,
     85  1.2.2.2  rmind 	_bus_dmamap_destroy,
     86  1.2.2.2  rmind 	_bus_dmamap_load,
     87  1.2.2.2  rmind 	_bus_dmamap_load_mbuf,
     88  1.2.2.2  rmind 	_bus_dmamap_load_uio,
     89  1.2.2.2  rmind 	_bus_dmamap_load_raw,
     90  1.2.2.2  rmind 	_bus_dmamap_unload,
     91  1.2.2.2  rmind 	_bus_dmamap_sync,
     92  1.2.2.2  rmind 	_bus_dmamem_alloc,
     93  1.2.2.2  rmind 	_bus_dmamem_free,
     94  1.2.2.2  rmind 	_bus_dmamem_map,
     95  1.2.2.2  rmind 	_bus_dmamem_unmap,
     96  1.2.2.2  rmind 	_bus_dmamem_mmap,
     97  1.2.2.2  rmind };
     98  1.2.2.2  rmind 
     99  1.2.2.2  rmind #if NGTPCI > 0
    100  1.2.2.2  rmind struct powerpc_bus_space
    101  1.2.2.2  rmind     gtpci0_io_bs_tag, gtpci0_mem_bs_tag,
    102  1.2.2.2  rmind     gtpci1_io_bs_tag, gtpci1_mem_bs_tag;
    103  1.2.2.2  rmind #endif
    104  1.2.2.2  rmind 
    105  1.2.2.2  rmind struct gtpci_prot gtpci0_prot = {
    106  1.2.2.2  rmind 	GTPCI_ACBL_RDSIZE_32BYTE	|
    107  1.2.2.2  rmind 	GTPCI_ACBL_RDMBURST_32BYTE	|
    108  1.2.2.2  rmind 	GTPCI_ACBL_PCISWAP_BYTESWAP	|
    109  1.2.2.2  rmind 	GTPCI_ACBL_SNOOP_WB		|
    110  1.2.2.2  rmind 	GTPCI_ACBL_EN,
    111  1.2.2.2  rmind 	0,
    112  1.2.2.2  rmind }, gtpci1_prot = {
    113  1.2.2.2  rmind 	GTPCI_ACBL_RDSIZE_128BYTE	|
    114  1.2.2.2  rmind 	GTPCI_ACBL_RDMBURST_32BYTE	|
    115  1.2.2.2  rmind 	GTPCI_ACBL_PCISWAP_BYTESWAP	|
    116  1.2.2.2  rmind 	GTPCI_ACBL_SNOOP_WB		|
    117  1.2.2.2  rmind 	GTPCI_ACBL_EN,
    118  1.2.2.2  rmind 	0,
    119  1.2.2.2  rmind };
    120  1.2.2.2  rmind 
    121  1.2.2.2  rmind 
    122  1.2.2.2  rmind int
    123  1.2.2.2  rmind gt_match(device_t parent, cfdata_t cf, void *aux)
    124  1.2.2.2  rmind {
    125  1.2.2.2  rmind 	struct confargs *ca = aux;
    126  1.2.2.3  rmind 	uint32_t device_id, vendor_id;
    127  1.2.2.3  rmind 	int node;
    128  1.2.2.2  rmind 	char name[32];
    129  1.2.2.2  rmind 
    130  1.2.2.2  rmind 	if (strcmp(ca->ca_name, "gt") != 0 ||
    131  1.2.2.2  rmind 	    strcmp(model_name, "Pegasos2") != 0)
    132  1.2.2.2  rmind 		return 0;
    133  1.2.2.2  rmind 
    134  1.2.2.2  rmind 	/* Paranoid check... */
    135  1.2.2.2  rmind 	for (node = OF_child(OF_finddevice("/")); node; node = OF_peer(node)) {
    136  1.2.2.2  rmind 		memset(name, 0, sizeof(name));
    137  1.2.2.2  rmind 		if (OF_getprop(node, "name", name, sizeof(name)) == -1)
    138  1.2.2.2  rmind 			continue;
    139  1.2.2.3  rmind 		if (strcmp(name, "pci") == 0) {
    140  1.2.2.3  rmind 			for (node = OF_child(node); node;
    141  1.2.2.3  rmind 			    node = OF_peer(node)) {
    142  1.2.2.3  rmind 				if (OF_getprop(node, "vendor-id",
    143  1.2.2.3  rmind 				    &vendor_id, sizeof(vendor_id)) == -1)
    144  1.2.2.3  rmind 					continue;
    145  1.2.2.3  rmind 				if (OF_getprop(node, "device-id",
    146  1.2.2.3  rmind 				    &device_id, sizeof(device_id)) == -1)
    147  1.2.2.3  rmind 					continue;
    148  1.2.2.3  rmind 				/* Find a Marvell system controller */
    149  1.2.2.3  rmind 				if (vendor_id == PCI_VENDOR_MARVELL &&
    150  1.2.2.3  rmind 				    device_id == PCI_PRODUCT_MARVELL_MV64360)
    151  1.2.2.3  rmind 					return 1;
    152  1.2.2.3  rmind 			}
    153  1.2.2.3  rmind 			return 0;
    154  1.2.2.3  rmind 		}
    155  1.2.2.2  rmind 	}
    156  1.2.2.2  rmind 	return 0;
    157  1.2.2.2  rmind }
    158  1.2.2.2  rmind 
    159  1.2.2.2  rmind /* ARGSUSED */
    160  1.2.2.2  rmind void
    161  1.2.2.2  rmind gt_attach(device_t parent, device_t self, void *aux)
    162  1.2.2.2  rmind {
    163  1.2.2.2  rmind 	struct gt_softc *sc = device_private(self);
    164  1.2.2.2  rmind #if NGTPCI > 0
    165  1.2.2.2  rmind 	uint32_t busrange[2];
    166  1.2.2.2  rmind 	int node;
    167  1.2.2.2  rmind 	extern struct genppc_pci_chipset
    168  1.2.2.2  rmind 	    genppc_gtpci0_chipset, genppc_gtpci1_chipset;
    169  1.2.2.2  rmind #endif
    170  1.2.2.2  rmind 
    171  1.2.2.2  rmind 	bus_space_init(&pegasosii_gt_bs_tag, "gt",
    172  1.2.2.2  rmind 	    ex_storage, sizeof(ex_storage));
    173  1.2.2.2  rmind 
    174  1.2.2.2  rmind 	sc->sc_dev = self;
    175  1.2.2.2  rmind 	sc->sc_addr = 0x00000000;
    176  1.2.2.2  rmind 	sc->sc_iot = &pegasosii_gt_bs_tag;
    177  1.2.2.2  rmind 	sc->sc_dmat = &pegasosii_bus_dma_tag;
    178  1.2.2.2  rmind 
    179  1.2.2.2  rmind 	if (bus_space_map(sc->sc_iot, sc->sc_addr, GT_SIZE, 0, &sc->sc_ioh) !=
    180  1.2.2.2  rmind 	    0) {
    181  1.2.2.2  rmind 		aprint_error(": registers map failed\n");
    182  1.2.2.2  rmind 		return;
    183  1.2.2.2  rmind 	}
    184  1.2.2.2  rmind 
    185  1.2.2.2  rmind 	init_ofppc_interrupt();
    186  1.2.2.2  rmind 
    187  1.2.2.2  rmind #if NGTPCI > 0
    188  1.2.2.2  rmind 	/* bus space map the I/O and Memory ranges of PCI unit 1(PCI bus) */
    189  1.2.2.2  rmind 	node = of_find_firstchild_byname(OF_finddevice("/"), "pci");
    190  1.2.2.2  rmind 	if (node != -1) {
    191  1.2.2.2  rmind 		gtpci1_io_bs_tag.pbs_flags =
    192  1.2.2.2  rmind 		    _BUS_SPACE_LITTLE_ENDIAN | _BUS_SPACE_IO_TYPE;
    193  1.2.2.2  rmind 		gtpci1_io_bs_tag.pbs_base = 0x00000000;
    194  1.2.2.2  rmind 		if (ofwoea_map_space(RANGE_TYPE_PCI, RANGE_IO, node,
    195  1.2.2.2  rmind 		    &gtpci1_io_bs_tag, "gtpci 1 io-space") != 0)
    196  1.2.2.2  rmind 			panic("Can't init gtpci 1 io tag");
    197  1.2.2.2  rmind 		gtpci1_mem_bs_tag.pbs_flags =
    198  1.2.2.2  rmind 		    _BUS_SPACE_LITTLE_ENDIAN | _BUS_SPACE_MEM_TYPE;
    199  1.2.2.2  rmind 		gtpci1_mem_bs_tag.pbs_base = 0x00000000;
    200  1.2.2.2  rmind 		if (ofwoea_map_space(RANGE_TYPE_PCI, RANGE_MEM, node,
    201  1.2.2.2  rmind 		    &gtpci1_mem_bs_tag, "gtpci 1 mem-space") != 0)
    202  1.2.2.2  rmind 			panic("Can't init gtpci 1 mem tag");
    203  1.2.2.2  rmind 
    204  1.2.2.2  rmind 		/* PCI bus number */
    205  1.2.2.2  rmind 		if (OF_getprop(node, "bus-range", busrange, sizeof(busrange)) !=
    206  1.2.2.2  rmind 		    sizeof(busrange)) {
    207  1.2.2.2  rmind 			aprint_error(": PCI bus range failed\n");
    208  1.2.2.2  rmind 			return;
    209  1.2.2.2  rmind 		}
    210  1.2.2.2  rmind 
    211  1.2.2.2  rmind 		/* Override some functions */
    212  1.2.2.2  rmind 		genppc_gtpci1_chipset.pc_attach_hook = gtpci_md_attach_hook;
    213  1.2.2.2  rmind 		genppc_gtpci1_chipset.pc_intr_map = genofw_pci_intr_map;
    214  1.2.2.2  rmind 		genppc_gtpci1_chipset.pc_node = node;
    215  1.2.2.2  rmind 		genppc_gtpci1_chipset.pc_bus = busrange[0];
    216  1.2.2.2  rmind 		genppc_gtpci1_chipset.pc_iot = &gtpci1_io_bs_tag;
    217  1.2.2.2  rmind 		genppc_gtpci1_chipset.pc_memt = &gtpci1_mem_bs_tag;
    218  1.2.2.2  rmind 
    219  1.2.2.2  rmind #if NISA > 0
    220  1.2.2.2  rmind 		genppc_isa_io_space_tag = gtpci1_io_bs_tag;
    221  1.2.2.2  rmind 		genppc_isa_mem_space_tag = gtpci1_mem_bs_tag;
    222  1.2.2.2  rmind 		map_isa_ioregs();
    223  1.2.2.2  rmind 		ofppc_init_comcons(of_find_firstchild_byname(node, "isa"));
    224  1.2.2.2  rmind #endif
    225  1.2.2.2  rmind 	}
    226  1.2.2.2  rmind 
    227  1.2.2.2  rmind 	/* bus space map the I/O and Memory ranges of PCI unit 0(AGP bus) */
    228  1.2.2.2  rmind 	if (node != -1)
    229  1.2.2.2  rmind 		node = of_getnode_byname(OF_peer(node), "pci");
    230  1.2.2.2  rmind 	if (node != -1 && node != 0) {
    231  1.2.2.2  rmind 		gtpci0_io_bs_tag.pbs_flags =
    232  1.2.2.2  rmind 		    _BUS_SPACE_LITTLE_ENDIAN | _BUS_SPACE_IO_TYPE;
    233  1.2.2.2  rmind 		gtpci0_io_bs_tag.pbs_base = 0x00000000;
    234  1.2.2.2  rmind 		if (ofwoea_map_space(RANGE_TYPE_PCI, RANGE_IO, node,
    235  1.2.2.2  rmind 		    &gtpci0_io_bs_tag, "gtpci 0 io-space") != 0)
    236  1.2.2.2  rmind 			panic("Can't init gtpci 0 io tag");
    237  1.2.2.2  rmind 		gtpci0_mem_bs_tag.pbs_flags =
    238  1.2.2.2  rmind 		    _BUS_SPACE_LITTLE_ENDIAN | _BUS_SPACE_MEM_TYPE;
    239  1.2.2.2  rmind 		gtpci0_mem_bs_tag.pbs_base = 0x00000000;
    240  1.2.2.2  rmind 		if (ofwoea_map_space(RANGE_TYPE_PCI, RANGE_MEM, node,
    241  1.2.2.2  rmind 		    &gtpci0_mem_bs_tag, "gtpci 0 mem-space") != 0)
    242  1.2.2.2  rmind 			panic("Can't init gtpci 0 mem tag");
    243  1.2.2.2  rmind 
    244  1.2.2.2  rmind 		/* PCI bus number */
    245  1.2.2.2  rmind 		if (OF_getprop(node, "bus-range", busrange, sizeof(busrange)) !=
    246  1.2.2.2  rmind 		    sizeof(busrange)) {
    247  1.2.2.2  rmind 			aprint_error(": AGP bus range failed\n");
    248  1.2.2.2  rmind 			return;
    249  1.2.2.2  rmind 		}
    250  1.2.2.2  rmind 
    251  1.2.2.2  rmind 		genppc_gtpci0_chipset.pc_node = node;
    252  1.2.2.2  rmind 		genppc_gtpci0_chipset.pc_bus = busrange[0];
    253  1.2.2.2  rmind 		genppc_gtpci0_chipset.pc_iot = &gtpci0_io_bs_tag;
    254  1.2.2.2  rmind 		genppc_gtpci0_chipset.pc_memt = &gtpci0_mem_bs_tag;
    255  1.2.2.2  rmind 
    256  1.2.2.3  rmind 		/* Enable AGP configuration space access. */
    257  1.2.2.3  rmind 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    258  1.2.2.3  rmind 		    GT_GPP_Value_Set, PEGASOS2_AGP_CONF_ENABLE);
    259  1.2.2.2  rmind 	}
    260  1.2.2.2  rmind #endif
    261  1.2.2.2  rmind 
    262  1.2.2.2  rmind 	gt_attach_common(sc);
    263  1.2.2.2  rmind }
    264  1.2.2.2  rmind 
    265  1.2.2.2  rmind 
    266  1.2.2.2  rmind #if NGTPCI > 0
    267  1.2.2.2  rmind static void
    268  1.2.2.2  rmind gtpci_md_attach_hook(device_t parent, device_t self,
    269  1.2.2.2  rmind 		     struct pcibus_attach_args *pba)
    270  1.2.2.2  rmind {
    271  1.2.2.2  rmind 	extern struct genppc_pci_chipset genppc_gtpci1_chipset;
    272  1.2.2.2  rmind 
    273  1.2.2.2  rmind 	if (device_is_a(parent, "gtpci") &&
    274  1.2.2.2  rmind 	    pba->pba_pc == &genppc_gtpci1_chipset) {
    275  1.2.2.2  rmind 		/* Setup interrupts for PCI bus */
    276  1.2.2.2  rmind 		struct genppc_pci_chipset_businfo *pbi;
    277  1.2.2.2  rmind 
    278  1.2.2.2  rmind 		pbi = malloc(sizeof(struct genppc_pci_chipset_businfo),
    279  1.2.2.2  rmind 		    M_DEVBUF, M_NOWAIT);
    280  1.2.2.2  rmind 		KASSERT(pbi != NULL);
    281  1.2.2.2  rmind 		pbi->pbi_properties = prop_dictionary_create();
    282  1.2.2.2  rmind 		KASSERT(pbi->pbi_properties != NULL);
    283  1.2.2.2  rmind 		SIMPLEQ_INIT(&genppc_gtpci1_chipset.pc_pbi);
    284  1.2.2.2  rmind 		SIMPLEQ_INSERT_TAIL(&genppc_gtpci1_chipset.pc_pbi, pbi, next);
    285  1.2.2.2  rmind 
    286  1.2.2.2  rmind 		genofw_setup_pciintr_map(&genppc_gtpci1_chipset, pbi,
    287  1.2.2.2  rmind 		    genppc_gtpci1_chipset.pc_node);
    288  1.2.2.2  rmind 	}
    289  1.2.2.2  rmind 	gtpci_attach_hook(parent, self, pba);
    290  1.2.2.2  rmind }
    291  1.2.2.2  rmind 
    292  1.2.2.2  rmind /* ARGSUSED */
    293  1.2.2.2  rmind void
    294  1.2.2.2  rmind gtpci_md_conf_interrupt(void * v, int bus, int dev, int pin, int swiz,
    295  1.2.2.2  rmind 			int *iline)
    296  1.2.2.2  rmind {
    297  1.2.2.2  rmind 
    298  1.2.2.2  rmind 	/* do nothing */
    299  1.2.2.2  rmind }
    300  1.2.2.2  rmind 
    301  1.2.2.2  rmind int
    302  1.2.2.2  rmind gtpci_md_conf_hook(void *v, int bus, int dev, int func, pcireg_t id)
    303  1.2.2.2  rmind {
    304  1.2.2.2  rmind 	struct gtpci_softc *sc = v;
    305  1.2.2.2  rmind 
    306  1.2.2.2  rmind 	if (gtpci_conf_hook(sc->sc_pc, bus, dev, func, id) == 0)
    307  1.2.2.2  rmind 		return 0;
    308  1.2.2.2  rmind 	return genofw_pci_conf_hook(sc->sc_pc, bus, dev, func, id);
    309  1.2.2.2  rmind }
    310  1.2.2.2  rmind #endif
    311  1.2.2.2  rmind 
    312  1.2.2.2  rmind 
    313  1.2.2.2  rmind void *
    314  1.2.2.2  rmind marvell_intr_establish(int irq, int ipl, int (*func)(void *), void *arg)
    315  1.2.2.2  rmind {
    316  1.2.2.2  rmind 
    317  1.2.2.2  rmind 	/* pass through */
    318  1.2.2.2  rmind 	return intr_establish(irq, IST_LEVEL, ipl, func, arg);
    319  1.2.2.2  rmind }
    320