[J-u-boot.git] / board / eXalion / eXalion.c

/*
 * (C) Copyright 2000-2004
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * (C) Copyright 2002
 * Torsten Demke, FORCE Computers GmbH. [email protected]
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <mpc824x.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <pci.h>
#include <ide.h>
#include <netdev.h>
#include <timestamp.h>
#include "piix_pci.h"
#include "eXalion.h"

int checkboard (void)
{
	ulong busfreq = get_bus_freq (0);
	char buf[32];

	printf ("Board: eXalion MPC824x - CHRP (MAP B)\n");
	printf ("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
	printf ("Local Bus:  %s MHz\n", strmhz (buf, busfreq));

	return 0;
}

int checkflash (void)
{
	printf ("checkflash\n");
	flash_init ();
	return (0);
}

phys_size_t initdram (int board_type)
{
	int i, cnt;
	volatile uchar *base = CONFIG_SYS_SDRAM_BASE;
	volatile ulong *addr;
	ulong save[32];
	ulong val, ret = 0;

	for (i = 0, cnt = (CONFIG_SYS_MAX_RAM_SIZE / sizeof (long)) >> 1; cnt > 0;
	     cnt >>= 1) {
		addr = (volatile ulong *) base + cnt;
		save[i++] = *addr;
		*addr = ~cnt;
	}

	addr = (volatile ulong *) base;
	save[i] = *addr;
	*addr = 0;

	if (*addr != 0) {
		*addr = save[i];
		goto Done;
	}

	for (cnt = 1; cnt <= CONFIG_SYS_MAX_RAM_SIZE / sizeof (long); cnt <<= 1) {
		addr = (volatile ulong *) base + cnt;
		val = *addr;
		*addr = save[--i];
		if (val != ~cnt) {
			ulong new_bank0_end = cnt * sizeof (long) - 1;
			ulong mear1 = mpc824x_mpc107_getreg (MEAR1);
			ulong emear1 = mpc824x_mpc107_getreg (EMEAR1);

			mear1 = (mear1 & 0xFFFFFF00) |
				((new_bank0_end & MICR_ADDR_MASK) >>
				 MICR_ADDR_SHIFT);
			emear1 = (emear1 & 0xFFFFFF00) |
				((new_bank0_end & MICR_ADDR_MASK) >>
				 MICR_EADDR_SHIFT);
			mpc824x_mpc107_setreg (MEAR1, mear1);
			mpc824x_mpc107_setreg (EMEAR1, emear1);

			ret = cnt * sizeof (long);
			goto Done;
		}
	}

	ret = CONFIG_SYS_MAX_RAM_SIZE;
      Done:
	return ret;
}

int misc_init_r (void)
{
	pci_dev_t bdf;
	u32 val32;
	u8 val8;

	puts ("ISA:   ");
	bdf = pci_find_device (PIIX4_VENDOR_ID, PIIX4_ISA_DEV_ID, 0);
	if (bdf == -1) {
		puts ("Unable to find PIIX4 ISA bridge !\n");
		hang ();
	}

	/* set device for normal ISA instead EIO */
	pci_read_config_dword (bdf, PCI_CFG_PIIX4_GENCFG, &val32);
	val32 |= 0x00000001;
	pci_write_config_dword (bdf, PCI_CFG_PIIX4_GENCFG, val32);
	printf ("PIIX4 ISA bridge (%d,%d,%d)\n", PCI_BUS (bdf),
		PCI_DEV (bdf), PCI_FUNC (bdf));

	puts ("ISA:   ");
	bdf = pci_find_device (PIIX4_VENDOR_ID, PIIX4_IDE_DEV_ID, 0);
	if (bdf == -1) {
		puts ("Unable to find PIIX4 IDE controller !\n");
		hang ();
	}

	/* Init BMIBA register  */
	/* pci_read_config_dword(bdf, PCI_CFG_PIIX4_BMIBA, &val32); */
	/* val32 |= 0x1000; */
	/* pci_write_config_dword(bdf, PCI_CFG_PIIX4_BMIBA, val32); */

	/* Enable BUS master and IO access  */
	val32 = PCI_COMMAND_MASTER | PCI_COMMAND_IO;
	pci_write_config_dword (bdf, PCI_COMMAND, val32);

	/* Set latency  */
	pci_read_config_byte (bdf, PCI_LATENCY_TIMER, &val8);
	val8 = 0x40;
	pci_write_config_byte (bdf, PCI_LATENCY_TIMER, val8);

	/* Enable Primary ATA/IDE  */
	pci_read_config_dword (bdf, PCI_CFG_PIIX4_IDETIM, &val32);
	/* val32 = 0xa307a307; */
	val32 = 0x00008000;
	pci_write_config_dword (bdf, PCI_CFG_PIIX4_IDETIM, val32);


	printf ("PIIX4 IDE controller (%d,%d,%d)\n", PCI_BUS (bdf),
		PCI_DEV (bdf), PCI_FUNC (bdf));

	/* Try to get FAT working... */
	/* fat_register_read(ide_read); */


	return (0);
}

/*
 * Show/Init PCI devices on the specified bus number.
 */

void pci_eXalion_fixup_irq (struct pci_controller *hose, pci_dev_t dev)
{
	unsigned char line;

	switch (PCI_DEV (dev)) {
	case 16:
		line = PCI_INT_A;
		break;
	case 17:
		line = PCI_INT_B;
		break;
	case 18:
		line = PCI_INT_C;
		break;
	case 19:
		line = PCI_INT_D;
		break;
#if defined (CONFIG_MPC8245)
	case 20:
		line = PCI_INT_A;
		break;
	case 21:
		line = PCI_INT_B;
		break;
	case 22:
		line = PCI_INT_NA;
		break;
#endif
	default:
		line = PCI_INT_A;
		break;
	}
	pci_hose_write_config_byte (hose, dev, PCI_INTERRUPT_LINE, line);
}


/*
 * Initialize PCI Devices, report devices found.
 */
#ifndef CONFIG_PCI_PNP
#if defined (CONFIG_MPC8240)
static struct pci_config_table pci_eXalion_config_table[] = {
	{
	 /* Intel 82559ER ethernet controller */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 18, 0x00,
	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
				     PCI_ENET0_MEMADDR,
				     PCI_COMMAND_MEMORY |
				     PCI_COMMAND_MASTER}},
	{
	 /* Intel 82371AB PIIX4 PCI to ISA bridge */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x00,
	 pci_cfgfunc_config_device, {0,
				     0,
				     PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
	{
	 /* Intel 82371AB PIIX4 IDE controller */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x01,
	 pci_cfgfunc_config_device, {0,
				     0,
				     PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
	{}
};
#elif defined (CONFIG_MPC8245)
static struct pci_config_table pci_eXalion_config_table[] = {
	{
	 /* Intel 82559ER ethernet controller */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 17, 0x00,
	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
				     PCI_ENET0_MEMADDR,
				     PCI_COMMAND_MEMORY |
				     PCI_COMMAND_MASTER}},
	{
	 /* Intel 82559ER ethernet controller */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 18, 0x00,
	 pci_cfgfunc_config_device, {PCI_ENET1_IOADDR,
				     PCI_ENET1_MEMADDR,
				     PCI_COMMAND_MEMORY |
				     PCI_COMMAND_MASTER}},
	{
	 /* Broadcom BCM5690 Gigabit switch */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x00,
	 pci_cfgfunc_config_device, {PCI_ENET2_IOADDR,
				     PCI_ENET2_MEMADDR,
				     PCI_COMMAND_MEMORY |
				     PCI_COMMAND_MASTER}},
	{
	 /* Broadcom BCM5690 Gigabit switch */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 21, 0x00,
	 pci_cfgfunc_config_device, {PCI_ENET3_IOADDR,
				     PCI_ENET3_MEMADDR,
				     PCI_COMMAND_MEMORY |
				     PCI_COMMAND_MASTER}},
	{
	 /* Intel 82371AB PIIX4 PCI to ISA bridge */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 22, 0x00,
	 pci_cfgfunc_config_device, {0,
				     0,
				     PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
	{
	 /* Intel 82371AB PIIX4 IDE controller */
	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 22, 0x01,
	 pci_cfgfunc_config_device, {0,
				     0,
				     PCI_COMMAND_IO | PCI_COMMAND_MASTER}},
	{}
};
#else
#error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
#endif

#endif /* #ifndef CONFIG_PCI_PNP */

struct pci_controller hose = {
#ifndef CONFIG_PCI_PNP
	config_table:pci_eXalion_config_table,
	fixup_irq:pci_eXalion_fixup_irq,
#endif
};

void pci_init_board (void)
{
	pci_mpc824x_init (&hose);
}

int board_eth_init(bd_t *bis)
{
	return pci_eth_init(bis);
}
Commit	Line	Data
80885a9d WD	1	/*
	2	* (C) Copyright 2000-2004
	3	* Wolfgang Denk, DENX Software Engineering, [email protected].
	4	*
	5	* (C) Copyright 2002
	6	* Torsten Demke, FORCE Computers GmbH. [email protected]
	7	*
1a459660	8	* SPDX-License-Identifier: GPL-2.0+
80885a9d WD	9	*/
	10
	11	#include <common.h>
	12	#include <mpc824x.h>
	13	#include <asm/processor.h>
	14	#include <asm/io.h>
	15	#include <pci.h>
	16	#include <ide.h>
10efa024	17	#include <netdev.h>
561858ee	18	#include <timestamp.h>
80885a9d WD	19	#include "piix_pci.h"
	20	#include "eXalion.h"
	21
	22	int checkboard (void)
	23	{
	24	ulong busfreq = get_bus_freq (0);
	25	char buf[32];
	26
	27	printf ("Board: eXalion MPC824x - CHRP (MAP B)\n");
561858ee	28	printf ("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
80885a9d WD	29	printf ("Local Bus: %s MHz\n", strmhz (buf, busfreq));
	30
	31	return 0;
	32	}
	33
	34	int checkflash (void)
	35	{
	36	printf ("checkflash\n");
	37	flash_init ();
	38	return (0);
	39	}
	40
9973e3c6	41	phys_size_t initdram (int board_type)
80885a9d WD	42	{
80885a9d WD	43	int i, cnt;
6d0f6bcf	44	volatile uchar *base = CONFIG_SYS_SDRAM_BASE;
80885a9d WD	45	volatile ulong *addr;
	46	ulong save[32];
	47	ulong val, ret = 0;
	48
6d0f6bcf	49	for (i = 0, cnt = (CONFIG_SYS_MAX_RAM_SIZE / sizeof (long)) >> 1; cnt > 0;
80885a9d WD	50	cnt >>= 1) {
	51	addr = (volatile ulong *) base + cnt;
	52	save[i++] = *addr;
	53	*addr = ~cnt;
	54	}
	55
	56	addr = (volatile ulong *) base;
	57	save[i] = *addr;
	58	*addr = 0;
	59
	60	if (*addr != 0) {
	61	*addr = save[i];
	62	goto Done;
	63	}
	64
6d0f6bcf	65	for (cnt = 1; cnt <= CONFIG_SYS_MAX_RAM_SIZE / sizeof (long); cnt <<= 1) {
80885a9d WD	66	addr = (volatile ulong *) base + cnt;
	67	val = *addr;
	68	*addr = save[--i];
	69	if (val != ~cnt) {
	70	ulong new_bank0_end = cnt * sizeof (long) - 1;
	71	ulong mear1 = mpc824x_mpc107_getreg (MEAR1);
	72	ulong emear1 = mpc824x_mpc107_getreg (EMEAR1);
	73
	74	mear1 = (mear1 & 0xFFFFFF00) \|
	75	((new_bank0_end & MICR_ADDR_MASK) >>
	76	MICR_ADDR_SHIFT);
	77	emear1 = (emear1 & 0xFFFFFF00) \|
	78	((new_bank0_end & MICR_ADDR_MASK) >>
	79	MICR_EADDR_SHIFT);
	80	mpc824x_mpc107_setreg (MEAR1, mear1);
	81	mpc824x_mpc107_setreg (EMEAR1, emear1);
	82
	83	ret = cnt * sizeof (long);
	84	goto Done;
	85	}
	86	}
	87
6d0f6bcf	88	ret = CONFIG_SYS_MAX_RAM_SIZE;
80885a9d WD	89	Done:
	90	return ret;
	91	}
	92
	93	int misc_init_r (void)
	94	{
	95	pci_dev_t bdf;
	96	u32 val32;
	97	u8 val8;
	98
	99	puts ("ISA: ");
	100	bdf = pci_find_device (PIIX4_VENDOR_ID, PIIX4_ISA_DEV_ID, 0);
	101	if (bdf == -1) {
	102	puts ("Unable to find PIIX4 ISA bridge !\n");
	103	hang ();
	104	}
	105
	106	/* set device for normal ISA instead EIO */
	107	pci_read_config_dword (bdf, PCI_CFG_PIIX4_GENCFG, &val32);
	108	val32 \|= 0x00000001;
	109	pci_write_config_dword (bdf, PCI_CFG_PIIX4_GENCFG, val32);
	110	printf ("PIIX4 ISA bridge (%d,%d,%d)\n", PCI_BUS (bdf),
	111	PCI_DEV (bdf), PCI_FUNC (bdf));
	112
	113	puts ("ISA: ");
	114	bdf = pci_find_device (PIIX4_VENDOR_ID, PIIX4_IDE_DEV_ID, 0);
	115	if (bdf == -1) {
	116	puts ("Unable to find PIIX4 IDE controller !\n");
	117	hang ();
	118	}
	119
	120	/* Init BMIBA register */
	121	/* pci_read_config_dword(bdf, PCI_CFG_PIIX4_BMIBA, &val32); */
	122	/* val32 \|= 0x1000; */
	123	/* pci_write_config_dword(bdf, PCI_CFG_PIIX4_BMIBA, val32); */
	124
	125	/* Enable BUS master and IO access */
	126	val32 = PCI_COMMAND_MASTER \| PCI_COMMAND_IO;
	127	pci_write_config_dword (bdf, PCI_COMMAND, val32);
	128
	129	/* Set latency */
	130	pci_read_config_byte (bdf, PCI_LATENCY_TIMER, &val8);
	131	val8 = 0x40;
	132	pci_write_config_byte (bdf, PCI_LATENCY_TIMER, val8);
	133
	134	/* Enable Primary ATA/IDE */
	135	pci_read_config_dword (bdf, PCI_CFG_PIIX4_IDETIM, &val32);
	136	/* val32 = 0xa307a307; */
	137	val32 = 0x00008000;
	138	pci_write_config_dword (bdf, PCI_CFG_PIIX4_IDETIM, val32);
	139
	140
	141	printf ("PIIX4 IDE controller (%d,%d,%d)\n", PCI_BUS (bdf),
	142	PCI_DEV (bdf), PCI_FUNC (bdf));
	143
	144	/* Try to get FAT working... */
	145	/* fat_register_read(ide_read); */
	146
	147
	148	return (0);
	149	}
	150
	151	/*
	152	* Show/Init PCI devices on the specified bus number.
153	*/
154
155	void pci_eXalion_fixup_irq (struct pci_controller *hose, pci_dev_t dev)
156	{
157	unsigned char line;
158
159	switch (PCI_DEV (dev)) {
160	case 16:
161	line = PCI_INT_A;
162	break;
163	case 17:
164	line = PCI_INT_B;
165	break;
166	case 18:
167	line = PCI_INT_C;
168	break;
169	case 19:
170	line = PCI_INT_D;
171	break;
172	#if defined (CONFIG_MPC8245)
173	case 20:
174	line = PCI_INT_A;
175	break;
176	case 21:
177	line = PCI_INT_B;
178	break;
179	case 22:
180	line = PCI_INT_NA;
181	break;
182	#endif
183	default:
184	line = PCI_INT_A;
185	break;
186	}
187	pci_hose_write_config_byte (hose, dev, PCI_INTERRUPT_LINE, line);
188	}
189
190
191	/*
192	* Initialize PCI Devices, report devices found.
193	*/
194	#ifndef CONFIG_PCI_PNP
195	#if defined (CONFIG_MPC8240)
196	static struct pci_config_table pci_eXalion_config_table[] = {
197	{
198	/* Intel 82559ER ethernet controller */
199	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 18, 0x00,
200	pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
201	PCI_ENET0_MEMADDR,
202	PCI_COMMAND_MEMORY \|
203	PCI_COMMAND_MASTER}},
204	{
205	/* Intel 82371AB PIIX4 PCI to ISA bridge */
206	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x00,
207	pci_cfgfunc_config_device, {0,
208	0,
209	PCI_COMMAND_IO \| PCI_COMMAND_MASTER}},
210	{
211	/* Intel 82371AB PIIX4 IDE controller */
212	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x01,
213	pci_cfgfunc_config_device, {0,
214	0,
215	PCI_COMMAND_IO \| PCI_COMMAND_MASTER}},
216	{}
217	};
218	#elif defined (CONFIG_MPC8245)
219	static struct pci_config_table pci_eXalion_config_table[] = {
220	{
221	/* Intel 82559ER ethernet controller */
222	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 17, 0x00,
223	pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
224	PCI_ENET0_MEMADDR,
225	PCI_COMMAND_MEMORY \|
226	PCI_COMMAND_MASTER}},
227	{
228	/* Intel 82559ER ethernet controller */
229	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 18, 0x00,
230	pci_cfgfunc_config_device, {PCI_ENET1_IOADDR,
231	PCI_ENET1_MEMADDR,
232	PCI_COMMAND_MEMORY \|
233	PCI_COMMAND_MASTER}},
234	{
235	/* Broadcom BCM5690 Gigabit switch */
236	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 20, 0x00,
237	pci_cfgfunc_config_device, {PCI_ENET2_IOADDR,
238	PCI_ENET2_MEMADDR,
239	PCI_COMMAND_MEMORY \|
240	PCI_COMMAND_MASTER}},
241	{
242	/* Broadcom BCM5690 Gigabit switch */
243	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 21, 0x00,
244	pci_cfgfunc_config_device, {PCI_ENET3_IOADDR,
245	PCI_ENET3_MEMADDR,
246	PCI_COMMAND_MEMORY \|
247	PCI_COMMAND_MASTER}},
248	{
249	/* Intel 82371AB PIIX4 PCI to ISA bridge */
250	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 22, 0x00,
251	pci_cfgfunc_config_device, {0,
252	0,
253	PCI_COMMAND_IO \| PCI_COMMAND_MASTER}},
254	{
255	/* Intel 82371AB PIIX4 IDE controller */
256	PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 22, 0x01,
257	pci_cfgfunc_config_device, {0,
258	0,
259	PCI_COMMAND_IO \| PCI_COMMAND_MASTER}},
260	{}
261	};
262	#else
263	#error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
264	#endif
265
266	#endif /* #ifndef CONFIG_PCI_PNP */
267
268	struct pci_controller hose = {
269	#ifndef CONFIG_PCI_PNP
270	config_table:pci_eXalion_config_table,
271	fixup_irq:pci_eXalion_fixup_irq,
272	#endif
273	};
274
275	void pci_init_board (void)
276	{
277	pci_mpc824x_init (&hose);
278	}
10efa024 BW	279
	280	int board_eth_init(bd_t *bis)
	281	{
	282	return pci_eth_init(bis);
	283	}