1 /* $OpenBSD: jmb.c,v 1.11 2024/05/24 06:02:58 jsg Exp $ */ 2 3 /* 4 * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/param.h> 20 #include <sys/systm.h> 21 #include <sys/device.h> 22 23 #include <dev/pci/pcireg.h> 24 #include <dev/pci/pcivar.h> 25 #include <dev/pci/pcidevs.h> 26 27 /* JMicron registers */ 28 #define JM_PCI_CTL0 0x40 /* control register 0 */ 29 #define JM_PCI_CTL0_ROM_EN (1<<31) /* External Option ROM */ 30 #define JM_PCI_CTL0_IDWR_EN (1<<30) /* Device ID Write */ 31 #define JM_PCI_CTL0_MSI64_EN (1<<25) /* 64bit MSI Addr Mode */ 32 #define JM_PCI_CTL0_MSI_EN (1<<24) /* MSI Addr Mode */ 33 #define JM_PCI_CTL0_IDEDMA_CFG (1<<23) /* PCIIDE DMA Chan Cfg */ 34 #define JM_PCI_CTL0_PCIIDE_CS (1<<22) /* PCIIDE channels Swap */ 35 #define JM_PCI_CTL0_SATA_PS (1<<21) /* SATA channel M/S swap */ 36 #define JM_PCI_CTL0_AHCI_PS (1<<20) /* SATA AHCI ports swap */ 37 #define JM_PCI_CTL0_F1_SUBCLASS_M 0xc0000 /* subclass for func 1 */ 38 #define JM_PCI_CTL0_F0_SUBCLASS_M 0x30000 /* subclass for func 0 */ 39 #define JM_PCI_CTL0_SUBCLASS_IDE 0x0 /* IDE Controller */ 40 #define JM_PCI_CTL0_SUBCLASS_RAID 0x1 /* RAID Controller */ 41 #define JM_PCI_CTL0_SUBCLASS_AHCI 0x2 /* AHCI Controller */ 42 #define JM_PCI_CTL0_SUBCLASS_OTHER 0x3 /* Other Mass Storage */ 43 #define JM_PCI_CTL0_F1_SUBCLASS(_m) ((_m)<<18) /* subclass for func 1 */ 44 #define JM_PCI_CTL0_F0_SUBCLASS(_m) ((_m)<<16) /* subclass for func 0 */ 45 #define JM_PCI_CTL0_SATA1_AHCI (1<<15) /* SATA port 1 AHCI enable */ 46 #define JM_PCI_CTL0_SATA1_IDE (1<<14) /* SATA port 1 IDE enable */ 47 #define JM_PCI_CTL0_SATA0_AHCI (1<<13) /* SATA port 0 AHCI enable */ 48 #define JM_PCI_CTL0_SATA0_IDE (1<<12) /* SATA port 0 PCIIDE enable */ 49 #define JM_PCI_CTL0_AHCI_F1 (1<<9) /* AHCI on function 1 */ 50 #define JM_PCI_CTL0_AHCI_EN (1<<8) /* ACHI enable */ 51 #define JM_PCI_CTL0_PATA0_RST (1<<6) /* PATA port 0 reset */ 52 #define JM_PCI_CTL0_PATA0_EN (1<<5) /* PATA port 0 enable */ 53 #define JM_PCI_CTL0_PATA0_SEC (1<<4) /* PATA 0 enable on 2nd chan */ 54 #define JM_PCI_CTL0_PATA0_40P (1<<3) /* PATA 0 40pin cable */ 55 #define JM_PCI_CTL0_PCIIDE_F1 (1<<1) /* PCIIDE on function 1 */ 56 #define JM_PCI_CTL0_PATA0_PRI (1<<0) /* PATA 0 enable on 1st chan */ 57 58 #define JM_PCI_CTL5 0x80 /* control register 8 */ 59 #define JM_PCI_CTL5_PATA1_PRI (1<<24) /* force PATA 1 on chan0 */ 60 61 int jmb_match(struct device *, void *, void *); 62 void jmb_attach(struct device *, struct device *, void *); 63 int jmb_print(void *, const char *); 64 65 struct jmb_softc { 66 struct device sc_dev; 67 }; 68 69 const struct cfattach jmb_ca = { 70 sizeof(struct jmb_softc), 71 jmb_match, 72 jmb_attach, 73 config_detach_children 74 }; 75 76 struct cfdriver jmb_cd = { 77 NULL, "jmb", DV_DULL 78 }; 79 80 static const struct pci_matchid jmb_devices[] = { 81 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB360 }, 82 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB361 }, 83 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB362 }, 84 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB363 }, 85 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB365 }, 86 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB366 }, 87 { PCI_VENDOR_JMICRON, PCI_PRODUCT_JMICRON_JMB368 } 88 }; 89 90 int 91 jmb_match(struct device *parent, void *match, void *aux) 92 { 93 struct pci_attach_args *pa = aux; 94 95 return (pci_matchbyid(pa, jmb_devices, 96 sizeof(jmb_devices) / sizeof(jmb_devices[0])) * 3); 97 } 98 99 void 100 jmb_attach(struct device *parent, struct device *self, void *aux) 101 { 102 struct pci_attach_args *pa = aux, jpa; 103 u_int32_t ctl0, ctl5; 104 int sata = 0, pata = 0; 105 106 ctl0 = pci_conf_read(pa->pa_pc, pa->pa_tag, JM_PCI_CTL0); 107 ctl5 = pci_conf_read(pa->pa_pc, pa->pa_tag, JM_PCI_CTL5); 108 109 /* configure sata bits if it is on this function */ 110 if (pa->pa_function == (ISSET(ctl0, JM_PCI_CTL0_AHCI_F1) ? 1 : 0)) { 111 ctl0 &= ~(JM_PCI_CTL0_AHCI_EN | JM_PCI_CTL0_SATA0_IDE | 112 JM_PCI_CTL0_SATA0_AHCI | JM_PCI_CTL0_SATA1_IDE | 113 JM_PCI_CTL0_SATA1_AHCI); 114 115 switch (PCI_PRODUCT(pa->pa_id)) { 116 case PCI_PRODUCT_JMICRON_JMB360: 117 case PCI_PRODUCT_JMICRON_JMB361: 118 case PCI_PRODUCT_JMICRON_JMB362: 119 case PCI_PRODUCT_JMICRON_JMB363: 120 case PCI_PRODUCT_JMICRON_JMB365: 121 case PCI_PRODUCT_JMICRON_JMB366: 122 /* enable AHCI */ 123 ctl0 |= JM_PCI_CTL0_AHCI_EN | JM_PCI_CTL0_SATA0_AHCI | 124 JM_PCI_CTL0_SATA1_AHCI; 125 sata = 1; 126 break; 127 } 128 } 129 130 /* configure pata bits if it is on this function */ 131 if (pa->pa_function == (ISSET(ctl0, JM_PCI_CTL0_PCIIDE_F1) ? 1 : 0)) { 132 ctl0 &= ~(JM_PCI_CTL0_PCIIDE_CS | JM_PCI_CTL0_IDEDMA_CFG); 133 ctl5 &= ~JM_PCI_CTL5_PATA1_PRI; 134 135 switch (PCI_PRODUCT(pa->pa_id)) { 136 case PCI_PRODUCT_JMICRON_JMB366: 137 case PCI_PRODUCT_JMICRON_JMB365: 138 /* wire the second PATA port in the right place */ 139 ctl5 |= JM_PCI_CTL5_PATA1_PRI; 140 /* FALLTHROUGH */ 141 case PCI_PRODUCT_JMICRON_JMB363: 142 case PCI_PRODUCT_JMICRON_JMB361: 143 case PCI_PRODUCT_JMICRON_JMB368: 144 ctl0 |= JM_PCI_CTL0_PCIIDE_CS | JM_PCI_CTL0_IDEDMA_CFG; 145 pata = 1; 146 break; 147 } 148 } 149 150 pci_conf_write(pa->pa_pc, pa->pa_tag, JM_PCI_CTL0, ctl0); 151 pci_conf_write(pa->pa_pc, pa->pa_tag, JM_PCI_CTL5, ctl5); 152 153 printf("\n"); 154 155 jpa = *pa; 156 157 if (sata) { 158 /* tweak the class to look like ahci, then try to attach it */ 159 jpa.pa_class = (PCI_CLASS_MASS_STORAGE << PCI_CLASS_SHIFT) | 160 (PCI_SUBCLASS_MASS_STORAGE_SATA << PCI_SUBCLASS_SHIFT) | 161 (0x01 << PCI_INTERFACE_SHIFT); /* AHCI_PCI_INTERFACE */ 162 config_found(self, &jpa, jmb_print); 163 } 164 165 if (pata) { 166 /* set things up for pciide */ 167 jpa.pa_class = (PCI_CLASS_MASS_STORAGE << PCI_CLASS_SHIFT) | 168 (PCI_SUBCLASS_MASS_STORAGE_IDE << PCI_SUBCLASS_SHIFT) | 169 (0x85 << PCI_INTERFACE_SHIFT); 170 config_found(self, &jpa, jmb_print); 171 } 172 } 173 174 int 175 jmb_print(void *aux, const char *pnp) 176 { 177 struct pci_attach_args *pa = aux; 178 char devinfo[256]; 179 180 if (pnp != NULL) { 181 pci_devinfo(pa->pa_id, pa->pa_class, 1, devinfo, 182 sizeof(devinfo)); 183 printf("%s at %s", devinfo, pnp); 184 } 185 186 return (UNCONF); 187 } 188