ata-amd.c (10b3b54548f2290bbe8d8f88c59c28d12b7a635d) ata-amd.c (066f913a94b134b6d5e32b6af88f297c7da9c031)
1/*-
2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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48#include <dev/pci/pcivar.h>
49#include <dev/pci/pcireg.h>
50#include <dev/ata/ata-all.h>
51#include <dev/ata/ata-pci.h>
52#include <ata_if.h>
53
54/* local prototypes */
55static int ata_amd_chipinit(device_t dev);
1/*-
2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 39 unchanged lines hidden (view full) ---

48#include <dev/pci/pcivar.h>
49#include <dev/pci/pcireg.h>
50#include <dev/ata/ata-all.h>
51#include <dev/ata/ata-pci.h>
52#include <ata_if.h>
53
54/* local prototypes */
55static int ata_amd_chipinit(device_t dev);
56static void ata_amd_setmode(device_t dev, int mode);
56static int ata_amd_setmode(device_t dev, int target, int mode);
57
58/* misc defines */
59#define AMD_BUG 0x01
60#define AMD_CABLE 0x02
61
62
63/*
64 * American Micro Devices (AMD) chipset support functions

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99 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) & 0x0f, 1);
100 else
101 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
102
103 ctlr->setmode = ata_amd_setmode;
104 return 0;
105}
106
57
58/* misc defines */
59#define AMD_BUG 0x01
60#define AMD_CABLE 0x02
61
62
63/*
64 * American Micro Devices (AMD) chipset support functions

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99 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) & 0x0f, 1);
100 else
101 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
102
103 ctlr->setmode = ata_amd_setmode;
104 return 0;
105}
106
107static void
108ata_amd_setmode(device_t dev, int mode)
107static int
108ata_amd_setmode(device_t dev, int target, int mode)
109{
109{
110 device_t gparent = GRANDPARENT(dev);
111 struct ata_pci_controller *ctlr = device_get_softc(gparent);
112 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
113 struct ata_device *atadev = device_get_softc(dev);
114 u_int8_t timings[] = { 0xa8, 0x65, 0x42, 0x22, 0x20, 0x42, 0x22, 0x20,
115 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
116 int modes[7] = { 0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6, 0xc7 };
117 int devno = (ch->unit << 1) + atadev->unit;
118 int reg = 0x53 - devno;
119 int error;
110 device_t parent = device_get_parent(dev);
111 struct ata_pci_controller *ctlr = device_get_softc(parent);
112 struct ata_channel *ch = device_get_softc(dev);
113 int devno = (ch->unit << 1) + target;
114 int piomode;
115 u_int8_t timings[] = { 0xa8, 0x65, 0x42, 0x22, 0x20, 0xa8, 0x22, 0x20 };
116 int modes[7] = { 0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6, 0xc7 };
117 int reg = 0x53 - devno;
120
118
121 mode = ata_limit_mode(dev, mode, ctlr->chip->max_dma);
122
123 if (ctlr->chip->cfg1 & AMD_CABLE) {
124 if (mode > ATA_UDMA2 &&
125 !(pci_read_config(gparent, 0x42, 1) & (1 << devno))) {
126 ata_print_cable(dev, "controller");
127 mode = ATA_UDMA2;
119 mode = min(mode, ctlr->chip->max_dma);
120 if (ctlr->chip->cfg1 & AMD_CABLE) {
121 if (mode > ATA_UDMA2 &&
122 !(pci_read_config(parent, 0x42, 1) & (1 << devno))) {
123 ata_print_cable(dev, "controller");
124 mode = ATA_UDMA2;
125 }
128 }
126 }
129 }
130 else
131 mode = ata_check_80pin(dev, mode);
132
133
134 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode);
135 if (bootverbose)
136 device_printf(dev, "%ssetting %s on %s chip\n",
137 (error) ? "FAILURE " : "", ata_mode2str(mode),
138 ctlr->chip->text);
139 if (!error) {
140 pci_write_config(gparent, reg - 0x08, timings[ata_mode2idx(mode)], 1);
141 if (mode >= ATA_UDMA0)
142 pci_write_config(gparent, reg, modes[mode & ATA_MODE_MASK], 1);
143 else
144 pci_write_config(gparent, reg, 0x8b, 1);
145 atadev->mode = mode;
146 }
127 /* Set UDMA timings. */
128 if (mode >= ATA_UDMA0) {
129 pci_write_config(parent, reg, modes[mode & ATA_MODE_MASK], 1);
130 piomode = ATA_PIO4;
131 } else {
132 pci_write_config(parent, reg, 0x8b, 1);
133 piomode = mode;
134 }
135 /* Set WDMA/PIO timings. */
136 pci_write_config(parent, reg - 0x08, timings[ata_mode2idx(piomode)], 1);
137 return (mode);
147}
148
149ATA_DECLARE_DRIVER(ata_amd);
138}
139
140ATA_DECLARE_DRIVER(ata_amd);