[deliverable/linux.git] / arch / powerpc / platforms / fsl_uli1575.c

/*
 * ULI M1575 setup code - specific to Freescale boards
 *
 * Copyright 2007 Freescale Semiconductor Inc.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/mc146818rtc.h>

#include <asm/system.h>
#include <asm/pci-bridge.h>

#define ULI_PIRQA	0x08
#define ULI_PIRQB	0x09
#define ULI_PIRQC	0x0a
#define ULI_PIRQD	0x0b
#define ULI_PIRQE	0x0c
#define ULI_PIRQF	0x0d
#define ULI_PIRQG	0x0e

#define ULI_8259_NONE	0x00
#define ULI_8259_IRQ1	0x08
#define ULI_8259_IRQ3	0x02
#define ULI_8259_IRQ4	0x04
#define ULI_8259_IRQ5	0x05
#define ULI_8259_IRQ6	0x07
#define ULI_8259_IRQ7	0x06
#define ULI_8259_IRQ9	0x01
#define ULI_8259_IRQ10	0x03
#define ULI_8259_IRQ11	0x09
#define ULI_8259_IRQ12	0x0b
#define ULI_8259_IRQ14	0x0d
#define ULI_8259_IRQ15	0x0f

u8 uli_pirq_to_irq[8] = {
	ULI_8259_IRQ9,		/* PIRQA */
	ULI_8259_IRQ10,		/* PIRQB */
	ULI_8259_IRQ11,		/* PIRQC */
	ULI_8259_IRQ12,		/* PIRQD */
	ULI_8259_IRQ5,		/* PIRQE */
	ULI_8259_IRQ6,		/* PIRQF */
	ULI_8259_IRQ7,		/* PIRQG */
	ULI_8259_NONE,		/* PIRQH */
};

/* Bridge */
static void __devinit early_uli5249(struct pci_dev *dev)
{
	unsigned char temp;

	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
			!machine_is(mpc8572_ds))
		return;

	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO |
		 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);

	/* read/write lock */
	pci_read_config_byte(dev, 0x7c, &temp);
	pci_write_config_byte(dev, 0x7c, 0x80);

	/* set as P2P bridge */
	pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01);
	dev->class |= 0x1;

	/* restore lock */
	pci_write_config_byte(dev, 0x7c, temp);
}


static void __devinit quirk_uli1575(struct pci_dev *dev)
{
	int i;

	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
			!machine_is(mpc8572_ds))
		return;

	/*
	 * ULI1575 interrupts route setup
	 */

	/* ULI1575 IRQ mapping conf register maps PIRQx to IRQn */
	for (i = 0; i < 4; i++) {
		u8 val = uli_pirq_to_irq[i*2] | (uli_pirq_to_irq[i*2+1] << 4);
		pci_write_config_byte(dev, 0x48 + i, val);
	}

	/* USB 1.1 OHCI controller 1: dev 28, func 0 - IRQ12 */
	pci_write_config_byte(dev, 0x86, ULI_PIRQD);

	/* USB 1.1 OHCI controller 2: dev 28, func 1 - IRQ9 */
	pci_write_config_byte(dev, 0x87, ULI_PIRQA);

	/* USB 1.1 OHCI controller 3: dev 28, func 2 - IRQ10 */
	pci_write_config_byte(dev, 0x88, ULI_PIRQB);

	/* Lan controller: dev 27, func 0 - IRQ6 */
	pci_write_config_byte(dev, 0x89, ULI_PIRQF);

	/* AC97 Audio controller: dev 29, func 0 - IRQ6 */
	pci_write_config_byte(dev, 0x8a, ULI_PIRQF);

	/* Modem controller: dev 29, func 1 - IRQ6 */
	pci_write_config_byte(dev, 0x8b, ULI_PIRQF);

	/* HD Audio controller: dev 29, func 2 - IRQ6 */
	pci_write_config_byte(dev, 0x8c, ULI_PIRQF);

	/* SATA controller: dev 31, func 1 - IRQ5 */
	pci_write_config_byte(dev, 0x8d, ULI_PIRQE);

	/* SMB interrupt: dev 30, func 1 - IRQ7 */
	pci_write_config_byte(dev, 0x8e, ULI_PIRQG);

	/* PMU ACPI SCI interrupt: dev 30, func 2 - IRQ7 */
	pci_write_config_byte(dev, 0x8f, ULI_PIRQG);

	/* USB 2.0 controller: dev 28, func 3 */
	pci_write_config_byte(dev, 0x74, ULI_8259_IRQ11);

	/* Primary PATA IDE IRQ: 14
	 * Secondary PATA IDE IRQ: 15
	 */
	pci_write_config_byte(dev, 0x44, 0x30 | ULI_8259_IRQ14);
	pci_write_config_byte(dev, 0x75, ULI_8259_IRQ15);
}

static void __devinit quirk_final_uli1575(struct pci_dev *dev)
{
	/* Set i8259 interrupt trigger
	 * IRQ 3:  Level
	 * IRQ 4:  Level
	 * IRQ 5:  Level
	 * IRQ 6:  Level
	 * IRQ 7:  Level
	 * IRQ 9:  Level
	 * IRQ 10: Level
	 * IRQ 11: Level
	 * IRQ 12: Level
	 * IRQ 14: Edge
	 * IRQ 15: Edge
	 */
	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
			!machine_is(mpc8572_ds))
		return;

	outb(0xfa, 0x4d0);
	outb(0x1e, 0x4d1);

	/* setup RTC */
	CMOS_WRITE(RTC_SET, RTC_CONTROL);
	CMOS_WRITE(RTC_24H, RTC_CONTROL);

	/* ensure month, date, and week alarm fields are ignored */
	CMOS_WRITE(0, RTC_VALID);

	outb_p(0x7c, 0x72);
	outb_p(RTC_ALARM_DONT_CARE, 0x73);

	outb_p(0x7d, 0x72);
	outb_p(RTC_ALARM_DONT_CARE, 0x73);
}

/* SATA */
static void __devinit quirk_uli5288(struct pci_dev *dev)
{
	unsigned char c;
	unsigned int d;

	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
			!machine_is(mpc8572_ds))
		return;

	/* read/write lock */
	pci_read_config_byte(dev, 0x83, &c);
	pci_write_config_byte(dev, 0x83, c|0x80);

	pci_read_config_dword(dev, PCI_CLASS_REVISION, &d);
	d = (d & 0xff) | (PCI_CLASS_STORAGE_SATA_AHCI << 8);
	pci_write_config_dword(dev, PCI_CLASS_REVISION, d);

	/* restore lock */
	pci_write_config_byte(dev, 0x83, c);

	/* disable emulated PATA mode enabled */
	pci_read_config_byte(dev, 0x84, &c);
	pci_write_config_byte(dev, 0x84, c & ~0x01);
}

/* PATA */
static void __devinit quirk_uli5229(struct pci_dev *dev)
{
	unsigned short temp;

	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
			!machine_is(mpc8572_ds))
		return;

	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE |
		PCI_COMMAND_MASTER | PCI_COMMAND_IO);

	/* Enable Native IRQ 14/15 */
	pci_read_config_word(dev, 0x4a, &temp);
	pci_write_config_word(dev, 0x4a, temp | 0x1000);
}

/* We have to do a dummy read on the P2P for the RTC to work, WTF */
static void __devinit quirk_final_uli5249(struct pci_dev *dev)
{
	int i;
	u8 *dummy;
	struct pci_bus *bus = dev->bus;

	for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
		if ((bus->resource[i]) &&
			(bus->resource[i]->flags & IORESOURCE_MEM)) {
			dummy = ioremap(bus->resource[i]->end - 3, 0x4);
			if (dummy) {
				in_8(dummy);
				iounmap(dummy);
			}
			break;
		}
	}
}

DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5249, quirk_final_uli5249);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x1575, quirk_final_uli1575);

static void __devinit hpcd_quirk_uli1575(struct pci_dev *dev)
{
	u32 temp32;

	if (!machine_is(mpc86xx_hpcd))
		return;

	/* Disable INTx */
	pci_read_config_dword(dev, 0x48, &temp32);
	pci_write_config_dword(dev, 0x48, (temp32 | 1<<26));

	/* Enable sideband interrupt */
	pci_read_config_dword(dev, 0x90, &temp32);
	pci_write_config_dword(dev, 0x90, (temp32 | 1<<22));
}

static void __devinit hpcd_quirk_uli5288(struct pci_dev *dev)
{
	unsigned char c;
	unsigned short temp;

	if (!machine_is(mpc86xx_hpcd))
		return;

	/* Interrupt Disable, Needed when SATA disabled */
	pci_read_config_word(dev, PCI_COMMAND, &temp);
	temp |= 1<<10;
	pci_write_config_word(dev, PCI_COMMAND, temp);

	pci_read_config_byte(dev, 0x83, &c);
	c |= 0x80;
	pci_write_config_byte(dev, 0x83, c);

	pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01);
	pci_write_config_byte(dev, PCI_CLASS_DEVICE, 0x06);

	pci_read_config_byte(dev, 0x83, &c);
	c &= 0x7f;
	pci_write_config_byte(dev, 0x83, c);
}

/*
 * Since 8259PIC was disabled on the board, the IDE device can not
 * use the legacy IRQ, we need to let the IDE device work under
 * native mode and use the interrupt line like other PCI devices.
 * IRQ14 is a sideband interrupt from IDE device to CPU and we use this
 * as the interrupt for IDE device.
 */
static void __devinit hpcd_quirk_uli5229(struct pci_dev *dev)
{
	unsigned char c;

	if (!machine_is(mpc86xx_hpcd))
		return;

	pci_read_config_byte(dev, 0x4b, &c);
	c |= 0x10;
	pci_write_config_byte(dev, 0x4b, c);
}

/*
 * SATA interrupt pin bug fix
 * There's a chip bug for 5288, The interrupt pin should be 2,
 * not the read only value 1, So it use INTB#, not INTA# which
 * actually used by the IDE device 5229.
 * As of this bug, during the PCI initialization, 5288 read the
 * irq of IDE device from the device tree, this function fix this
 * bug by re-assigning a correct irq to 5288.
 *
 */
static void __devinit hpcd_final_uli5288(struct pci_dev *dev)
{
	struct pci_controller *hose = pci_bus_to_host(dev->bus);
	struct device_node *hosenode = hose ? hose->dn : NULL;
	struct of_irq oirq;
	int virq, pin = 2;
	u32 laddr[3];

	if (!machine_is(mpc86xx_hpcd))
		return;

	if (!hosenode)
		return;

	laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(31, 0) << 8);
	laddr[1] = laddr[2] = 0;
	of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
	virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
				     oirq.size);
	dev->irq = virq;
}

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, hpcd_quirk_uli1575);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, hpcd_quirk_uli5288);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, hpcd_quirk_uli5229);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5288, hpcd_final_uli5288);

int uli_exclude_device(struct pci_controller *hose,
			u_char bus, u_char devfn)
{
	if (bus == (hose->first_busno + 2)) {
		/* exclude Modem controller */
		if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 1))
			return PCIBIOS_DEVICE_NOT_FOUND;

		/* exclude HD Audio controller */
		if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 2))
			return PCIBIOS_DEVICE_NOT_FOUND;
	}

	return PCIBIOS_SUCCESSFUL;
}
Commit	Line	Data
b66510cb KG	1	/*
	2	* ULI M1575 setup code - specific to Freescale boards
	3	*
	4	* Copyright 2007 Freescale Semiconductor Inc.
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2 of the License, or (at your
	9	* option) any later version.
	10	*/
	11
	12	#include <linux/stddef.h>
	13	#include <linux/kernel.h>
	14	#include <linux/pci.h>
	15	#include <linux/interrupt.h>
	16	#include <linux/mc146818rtc.h>
	17
	18	#include <asm/system.h>
	19	#include <asm/pci-bridge.h>
	20
	21	#define ULI_PIRQA 0x08
	22	#define ULI_PIRQB 0x09
	23	#define ULI_PIRQC 0x0a
	24	#define ULI_PIRQD 0x0b
	25	#define ULI_PIRQE 0x0c
	26	#define ULI_PIRQF 0x0d
	27	#define ULI_PIRQG 0x0e
	28
	29	#define ULI_8259_NONE 0x00
	30	#define ULI_8259_IRQ1 0x08
	31	#define ULI_8259_IRQ3 0x02
	32	#define ULI_8259_IRQ4 0x04
	33	#define ULI_8259_IRQ5 0x05
	34	#define ULI_8259_IRQ6 0x07
	35	#define ULI_8259_IRQ7 0x06
	36	#define ULI_8259_IRQ9 0x01
	37	#define ULI_8259_IRQ10 0x03
	38	#define ULI_8259_IRQ11 0x09
	39	#define ULI_8259_IRQ12 0x0b
	40	#define ULI_8259_IRQ14 0x0d
	41	#define ULI_8259_IRQ15 0x0f
	42
	43	u8 uli_pirq_to_irq[8] = {
	44	ULI_8259_IRQ9, /* PIRQA */
	45	ULI_8259_IRQ10, /* PIRQB */
	46	ULI_8259_IRQ11, /* PIRQC */
	47	ULI_8259_IRQ12, /* PIRQD */
	48	ULI_8259_IRQ5, /* PIRQE */
	49	ULI_8259_IRQ6, /* PIRQF */
	50	ULI_8259_IRQ7, /* PIRQG */
	51	ULI_8259_NONE, /* PIRQH */
	52	};
	53
b66510cb KG	54	/* Bridge */
	55	static void __devinit early_uli5249(struct pci_dev *dev)
	56	{
	57	unsigned char temp;
	58
52ddd1cd AV	59	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
52ddd1cd AV	60	!machine_is(mpc8572_ds))
b66510cb KG	61	return;
	62
	63	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO \|
	64	PCI_COMMAND_MEMORY \| PCI_COMMAND_MASTER);
	65
	66	/* read/write lock */
	67	pci_read_config_byte(dev, 0x7c, &temp);
	68	pci_write_config_byte(dev, 0x7c, 0x80);
	69
	70	/* set as P2P bridge */
	71	pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01);
	72	dev->class \|= 0x1;
	73
	74	/* restore lock */
	75	pci_write_config_byte(dev, 0x7c, temp);
	76	}
	77
	78
	79	static void __devinit quirk_uli1575(struct pci_dev *dev)
	80	{
	81	int i;
	82
52ddd1cd AV	83	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
52ddd1cd AV	84	!machine_is(mpc8572_ds))
b66510cb KG	85	return;
	86
	87	/*
	88	* ULI1575 interrupts route setup
	89	*/
	90
	91	/* ULI1575 IRQ mapping conf register maps PIRQx to IRQn */
	92	for (i = 0; i < 4; i++) {
	93	u8 val = uli_pirq_to_irq[i2] \| (uli_pirq_to_irq[i2+1] << 4);
	94	pci_write_config_byte(dev, 0x48 + i, val);
	95	}
	96
	97	/* USB 1.1 OHCI controller 1: dev 28, func 0 - IRQ12 */
	98	pci_write_config_byte(dev, 0x86, ULI_PIRQD);
	99
	100	/* USB 1.1 OHCI controller 2: dev 28, func 1 - IRQ9 */
	101	pci_write_config_byte(dev, 0x87, ULI_PIRQA);
	102
	103	/* USB 1.1 OHCI controller 3: dev 28, func 2 - IRQ10 */
	104	pci_write_config_byte(dev, 0x88, ULI_PIRQB);
	105
	106	/* Lan controller: dev 27, func 0 - IRQ6 */
	107	pci_write_config_byte(dev, 0x89, ULI_PIRQF);
	108
	109	/* AC97 Audio controller: dev 29, func 0 - IRQ6 */
	110	pci_write_config_byte(dev, 0x8a, ULI_PIRQF);
	111
	112	/* Modem controller: dev 29, func 1 - IRQ6 */
	113	pci_write_config_byte(dev, 0x8b, ULI_PIRQF);
	114
	115	/* HD Audio controller: dev 29, func 2 - IRQ6 */
	116	pci_write_config_byte(dev, 0x8c, ULI_PIRQF);
	117
	118	/* SATA controller: dev 31, func 1 - IRQ5 */
	119	pci_write_config_byte(dev, 0x8d, ULI_PIRQE);
	120
	121	/* SMB interrupt: dev 30, func 1 - IRQ7 */
	122	pci_write_config_byte(dev, 0x8e, ULI_PIRQG);
	123
	124	/* PMU ACPI SCI interrupt: dev 30, func 2 - IRQ7 */
	125	pci_write_config_byte(dev, 0x8f, ULI_PIRQG);
	126
	127	/* USB 2.0 controller: dev 28, func 3 */
	128	pci_write_config_byte(dev, 0x74, ULI_8259_IRQ11);
	129
	130	/* Primary PATA IDE IRQ: 14
	131	* Secondary PATA IDE IRQ: 15
	132	*/
	133	pci_write_config_byte(dev, 0x44, 0x30 \| ULI_8259_IRQ14);
	134	pci_write_config_byte(dev, 0x75, ULI_8259_IRQ15);
	135	}
	136
	137	static void __devinit quirk_final_uli1575(struct pci_dev *dev)
	138	{
	139	/* Set i8259 interrupt trigger
	140	* IRQ 3: Level
	141	* IRQ 4: Level
	142	* IRQ 5: Level
	143	* IRQ 6: Level
	144	* IRQ 7: Level
	145	* IRQ 9: Level
	146	* IRQ 10: Level
	147	* IRQ 11: Level
	148	* IRQ 12: Level
149	* IRQ 14: Edge
150	* IRQ 15: Edge
151	*/
52ddd1cd AV	152	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
52ddd1cd AV	153	!machine_is(mpc8572_ds))
b66510cb KG	154	return;
	155
	156	outb(0xfa, 0x4d0);
	157	outb(0x1e, 0x4d1);
	158
	159	/* setup RTC */
	160	CMOS_WRITE(RTC_SET, RTC_CONTROL);
	161	CMOS_WRITE(RTC_24H, RTC_CONTROL);
	162
	163	/* ensure month, date, and week alarm fields are ignored */
	164	CMOS_WRITE(0, RTC_VALID);
	165
	166	outb_p(0x7c, 0x72);
	167	outb_p(RTC_ALARM_DONT_CARE, 0x73);
	168
	169	outb_p(0x7d, 0x72);
	170	outb_p(RTC_ALARM_DONT_CARE, 0x73);
	171	}
	172
	173	/* SATA */
	174	static void __devinit quirk_uli5288(struct pci_dev *dev)
	175	{
	176	unsigned char c;
	177	unsigned int d;
	178
52ddd1cd AV	179	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
52ddd1cd AV	180	!machine_is(mpc8572_ds))
b66510cb KG	181	return;
	182
	183	/* read/write lock */
	184	pci_read_config_byte(dev, 0x83, &c);
	185	pci_write_config_byte(dev, 0x83, c\|0x80);
	186
	187	pci_read_config_dword(dev, PCI_CLASS_REVISION, &d);
	188	d = (d & 0xff) \| (PCI_CLASS_STORAGE_SATA_AHCI << 8);
	189	pci_write_config_dword(dev, PCI_CLASS_REVISION, d);
	190
	191	/* restore lock */
	192	pci_write_config_byte(dev, 0x83, c);
	193
	194	/* disable emulated PATA mode enabled */
	195	pci_read_config_byte(dev, 0x84, &c);
	196	pci_write_config_byte(dev, 0x84, c & ~0x01);
	197	}
	198
	199	/* PATA */
	200	static void __devinit quirk_uli5229(struct pci_dev *dev)
	201	{
	202	unsigned short temp;
	203
52ddd1cd AV	204	if (!machine_is(mpc86xx_hpcn) && !machine_is(mpc8544_ds) &&
52ddd1cd AV	205	!machine_is(mpc8572_ds))
b66510cb KG	206	return;
	207
	208	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE \|
	209	PCI_COMMAND_MASTER \| PCI_COMMAND_IO);
	210
	211	/* Enable Native IRQ 14/15 */
	212	pci_read_config_word(dev, 0x4a, &temp);
	213	pci_write_config_word(dev, 0x4a, temp \| 0x1000);
	214	}
	215
	216	/* We have to do a dummy read on the P2P for the RTC to work, WTF */
	217	static void __devinit quirk_final_uli5249(struct pci_dev *dev)
	218	{
	219	int i;
	220	u8 *dummy;
	221	struct pci_bus *bus = dev->bus;
	222
	223	for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
	224	if ((bus->resource[i]) &&
	225	(bus->resource[i]->flags & IORESOURCE_MEM)) {
00c5372d	226	dummy = ioremap(bus->resource[i]->end - 3, 0x4);
b66510cb KG	227	if (dummy) {
	228	in_8(dummy);
	229	iounmap(dummy);
	230	}
	231	break;
	232	}
	233	}
	234	}
	235
	236	DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
	237	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
	238	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
	239	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
	240	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5249, quirk_final_uli5249);
	241	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x1575, quirk_final_uli1575);
	242
52ddd1cd AV	243	static void __devinit hpcd_quirk_uli1575(struct pci_dev *dev)
	244	{
	245	u32 temp32;
	246
	247	if (!machine_is(mpc86xx_hpcd))
	248	return;
	249
	250	/* Disable INTx */
	251	pci_read_config_dword(dev, 0x48, &temp32);
	252	pci_write_config_dword(dev, 0x48, (temp32 \| 1<<26));
	253
	254	/* Enable sideband interrupt */
	255	pci_read_config_dword(dev, 0x90, &temp32);
	256	pci_write_config_dword(dev, 0x90, (temp32 \| 1<<22));
	257	}
	258
	259	static void __devinit hpcd_quirk_uli5288(struct pci_dev *dev)
	260	{
	261	unsigned char c;
	262	unsigned short temp;
	263
	264	if (!machine_is(mpc86xx_hpcd))
	265	return;
	266
	267	/* Interrupt Disable, Needed when SATA disabled */
	268	pci_read_config_word(dev, PCI_COMMAND, &temp);
	269	temp \|= 1<<10;
	270	pci_write_config_word(dev, PCI_COMMAND, temp);
	271
	272	pci_read_config_byte(dev, 0x83, &c);
	273	c \|= 0x80;
	274	pci_write_config_byte(dev, 0x83, c);
	275
	276	pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01);
	277	pci_write_config_byte(dev, PCI_CLASS_DEVICE, 0x06);
	278
	279	pci_read_config_byte(dev, 0x83, &c);
	280	c &= 0x7f;
	281	pci_write_config_byte(dev, 0x83, c);
	282	}
	283
	284	/*
	285	* Since 8259PIC was disabled on the board, the IDE device can not
	286	* use the legacy IRQ, we need to let the IDE device work under
	287	* native mode and use the interrupt line like other PCI devices.
	288	* IRQ14 is a sideband interrupt from IDE device to CPU and we use this
	289	* as the interrupt for IDE device.
	290	*/
	291	static void __devinit hpcd_quirk_uli5229(struct pci_dev *dev)
	292	{
	293	unsigned char c;
	294
	295	if (!machine_is(mpc86xx_hpcd))
	296	return;
	297
	298	pci_read_config_byte(dev, 0x4b, &c);
	299	c \|= 0x10;
	300	pci_write_config_byte(dev, 0x4b, c);
	301	}
	302
	303	/*
	304	* SATA interrupt pin bug fix
	305	* There's a chip bug for 5288, The interrupt pin should be 2,
	306	* not the read only value 1, So it use INTB#, not INTA# which
307	* actually used by the IDE device 5229.
308	* As of this bug, during the PCI initialization, 5288 read the
309	* irq of IDE device from the device tree, this function fix this
310	* bug by re-assigning a correct irq to 5288.
311	*
312	*/
313	static void __devinit hpcd_final_uli5288(struct pci_dev *dev)
314	{
315	struct pci_controller *hose = pci_bus_to_host(dev->bus);
316	struct device_node *hosenode = hose ? hose->dn : NULL;
317	struct of_irq oirq;
318	int virq, pin = 2;
319	u32 laddr[3];
320
321	if (!machine_is(mpc86xx_hpcd))
322	return;
323
324	if (!hosenode)
325	return;
326
327	laddr[0] = (hose->first_busno << 16) \| (PCI_DEVFN(31, 0) << 8);
328	laddr[1] = laddr[2] = 0;
329	of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
330	virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
331	oirq.size);
332	dev->irq = virq;
333	}
334
335	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, hpcd_quirk_uli1575);
336	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, hpcd_quirk_uli5288);
337	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, hpcd_quirk_uli5229);
338	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5288, hpcd_final_uli5288);
339
b66510cb KG	340	int uli_exclude_device(struct pci_controller *hose,
	341	u_char bus, u_char devfn)
	342	{
	343	if (bus == (hose->first_busno + 2)) {
	344	/* exclude Modem controller */
	345	if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 1))
	346	return PCIBIOS_DEVICE_NOT_FOUND;
	347
	348	/* exclude HD Audio controller */
	349	if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 2))
	350	return PCIBIOS_DEVICE_NOT_FOUND;
	351	}
	352
	353	return PCIBIOS_SUCCESSFUL;
	354	}