[people/ms/u-boot.git] / board / amcc / sequoia / sequoia.c

/*
 * (C) Copyright 2006-2009
 * Stefan Roese, DENX Software Engineering, sr@denx.de.
 *
 * (C) Copyright 2006
 * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
 * Alain Saurel,	    AMCC/IBM, alain.saurel@fr.ibm.com
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/ppc4xx.h>
#include <asm/ppc4xx-gpio.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/bitops.h>

DECLARE_GLOBAL_DATA_PTR;

#if !defined(CONFIG_SYS_NO_FLASH)
extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
#endif

extern void __ft_board_setup(void *blob, bd_t *bd);
ulong flash_get_size(ulong base, int banknum);

static inline u32 get_async_pci_freq(void)
{
	if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) &
		CONFIG_SYS_BCSR5_PCI66EN)
		return 66666666;
	else
		return 33333333;
}

int board_early_init_f(void)
{
	u32 sdr0_cust0;
	u32 sdr0_pfc1, sdr0_pfc2;
	u32 reg;

	mtdcr(EBC0_CFGADDR, EBC0_CFG);
	mtdcr(EBC0_CFGDATA, 0xb8400000);

	/*
	 * Setup the interrupt controller polarities, triggers, etc.
	 */
	mtdcr(UIC0SR, 0xffffffff);	/* clear all */
	mtdcr(UIC0ER, 0x00000000);	/* disable all */
	mtdcr(UIC0CR, 0x00000005);	/* ATI & UIC1 crit are critical */
	mtdcr(UIC0PR, 0xfffff7ff);	/* per ref-board manual */
	mtdcr(UIC0TR, 0x00000000);	/* per ref-board manual */
	mtdcr(UIC0VR, 0x00000000);	/* int31 highest, base=0x000 */
	mtdcr(UIC0SR, 0xffffffff);	/* clear all */

	mtdcr(UIC1SR, 0xffffffff);	/* clear all */
	mtdcr(UIC1ER, 0x00000000);	/* disable all */
	mtdcr(UIC1CR, 0x00000000);	/* all non-critical */
	mtdcr(UIC1PR, 0xffffffff);	/* per ref-board manual */
	mtdcr(UIC1TR, 0x00000000);	/* per ref-board manual */
	mtdcr(UIC1VR, 0x00000000);	/* int31 highest, base=0x000 */
	mtdcr(UIC1SR, 0xffffffff);	/* clear all */

	mtdcr(UIC2SR, 0xffffffff);	/* clear all */
	mtdcr(UIC2ER, 0x00000000);	/* disable all */
	mtdcr(UIC2CR, 0x00000000);	/* all non-critical */
	mtdcr(UIC2PR, 0xffffffff);	/* per ref-board manual */
	mtdcr(UIC2TR, 0x00000000);	/* per ref-board manual */
	mtdcr(UIC2VR, 0x00000000);	/* int31 highest, base=0x000 */
	mtdcr(UIC2SR, 0xffffffff);	/* clear all */

	/* Check and reconfigure the PCI sync clock if necessary */
	ppc4xx_pci_sync_clock_config(get_async_pci_freq());

	/* 50MHz tmrclk */
	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00);

	/* clear write protects */
	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x07, 0x00);

	/* enable Ethernet */
	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x08, 0x00);

	/* enable USB device */
	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x09, 0x20);

	/* select Ethernet (and optionally IIC1) pins */
	mfsdr(SDR0_PFC1, sdr0_pfc1);
	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
		SDR0_PFC1_SELECT_CONFIG_4;
#ifdef CONFIG_I2C_MULTI_BUS
	sdr0_pfc1 |= ((sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL);
#endif
	/* Two UARTs, so we need 4-pin mode.  Also, we want CTS/RTS mode. */
	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS;
	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U0ME_CTS_RTS;
	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_CTS_RTS;

	mfsdr(SDR0_PFC2, sdr0_pfc2);
	sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
		SDR0_PFC2_SELECT_CONFIG_4;
	mtsdr(SDR0_PFC2, sdr0_pfc2);
	mtsdr(SDR0_PFC1, sdr0_pfc1);

	/* PCI arbiter enabled */
	mfsdr(SDR0_PCI0, reg);
	mtsdr(SDR0_PCI0, 0x80000000 | reg);

	/* setup NAND FLASH */
	mfsdr(SDR0_CUST0, sdr0_cust0);
	sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL	|
		SDR0_CUST0_NDFC_ENABLE		|
		SDR0_CUST0_NDFC_BW_8_BIT	|
		SDR0_CUST0_NDFC_ARE_MASK	|
		(0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
	mtsdr(SDR0_CUST0, sdr0_cust0);

	return 0;
}

int misc_init_r(void)
{
#if !defined(CONFIG_SYS_NO_FLASH)
	uint pbcr;
	int size_val = 0;
#endif
#ifdef CONFIG_440EPX
	unsigned long usb2d0cr = 0;
	unsigned long usb2phy0cr, usb2h0cr = 0;
	unsigned long sdr0_pfc1;
	char *act = getenv("usbact");
#endif
	u32 reg;

#if !defined(CONFIG_SYS_NO_FLASH)
	/* Re-do flash sizing to get full correct info */

	/* adjust flash start and offset */
	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
	gd->bd->bi_flashoffset = 0;

#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) || \
    defined(CONFIG_SYS_RAMBOOT)
	mtdcr(EBC0_CFGADDR, PB3CR);
#else
	mtdcr(EBC0_CFGADDR, PB0CR);
#endif
	pbcr = mfdcr(EBC0_CFGDATA);
	size_val = ffs(gd->bd->bi_flashsize) - 21;
	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) || \
    defined(CONFIG_SYS_RAMBOOT)
	mtdcr(EBC0_CFGADDR, PB3CR);
#else
	mtdcr(EBC0_CFGADDR, PB0CR);
#endif
	mtdcr(EBC0_CFGDATA, pbcr);

	/*
	 * Re-check to get correct base address
	 */
	flash_get_size(gd->bd->bi_flashstart, 0);

#ifdef CONFIG_ENV_IS_IN_FLASH
	/* Monitor protection ON by default */
	(void)flash_protect(FLAG_PROTECT_SET,
			    -CONFIG_SYS_MONITOR_LEN,
			    0xffffffff,
			    &flash_info[0]);

	/* Env protection ON by default */
	(void)flash_protect(FLAG_PROTECT_SET,
			    CONFIG_ENV_ADDR_REDUND,
			    CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
			    &flash_info[0]);
#endif
#endif /* CONFIG_SYS_NO_FLASH */

	/*
	 * USB suff...
	 */
#ifdef CONFIG_440EPX
	if (act == NULL || strcmp(act, "hostdev") == 0) {
		/* SDR Setting */
		mfsdr(SDR0_PFC1, sdr0_pfc1);
		mfsdr(SDR0_USB2D0CR, usb2d0cr);
		mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
		mfsdr(SDR0_USB2H0CR, usb2h0cr);

		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;

		/*
		 * An 8-bit/60MHz interface is the only possible alternative
		 * when connecting the Device to the PHY
		 */
		usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
		usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;

		/*
		 * To enable the USB 2.0 Device function
		 * through the UTMI interface
		 */
		usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
		usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;

		sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
		sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;

		mtsdr(SDR0_PFC1, sdr0_pfc1);
		mtsdr(SDR0_USB2D0CR, usb2d0cr);
		mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
		mtsdr(SDR0_USB2H0CR, usb2h0cr);

		/*clear resets*/
		udelay (1000);
		mtsdr(SDR0_SRST1, 0x00000000);
		udelay (1000);
		mtsdr(SDR0_SRST0, 0x00000000);

		printf("USB:   Host(int phy) Device(ext phy)\n");

	} else if (strcmp(act, "dev") == 0) {
		/*-------------------PATCH-------------------------------*/
		mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);

		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
		mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);

		udelay (1000);
		mtsdr(SDR0_SRST1, 0x672c6000);

		udelay (1000);
		mtsdr(SDR0_SRST0, 0x00000080);

		udelay (1000);
		mtsdr(SDR0_SRST1, 0x60206000);

		*(unsigned int *)(0xe0000350) = 0x00000001;

		udelay (1000);
		mtsdr(SDR0_SRST1, 0x60306000);
		/*-------------------PATCH-------------------------------*/

		/* SDR Setting */
		mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
		mfsdr(SDR0_USB2H0CR, usb2h0cr);
		mfsdr(SDR0_USB2D0CR, usb2d0cr);
		mfsdr(SDR0_PFC1, sdr0_pfc1);

		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;

		usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
		usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;

		usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
		usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;

		sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
		sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;

		mtsdr(SDR0_USB2H0CR, usb2h0cr);
		mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
		mtsdr(SDR0_USB2D0CR, usb2d0cr);
		mtsdr(SDR0_PFC1, sdr0_pfc1);

		/* clear resets */
		udelay (1000);
		mtsdr(SDR0_SRST1, 0x00000000);
		udelay (1000);
		mtsdr(SDR0_SRST0, 0x00000000);

		printf("USB:   Device(int phy)\n");
	}
#endif /* CONFIG_440EPX */

	mfsdr(SDR0_SRST1, reg);		/* enable security/kasumi engines */
	reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
	mtsdr(SDR0_SRST1, reg);

	/*
	 * Clear PLB4A0_ACR[WRP]
	 * This fix will make the MAL burst disabling patch for the Linux
	 * EMAC driver obsolete.
	 */
	reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK;
	mtdcr(PLB4A0_ACR, reg);

	return 0;
}

int checkboard(void)
{
	char buf[64];
	int i = getenv_f("serial#", buf, sizeof(buf));
	u8 rev;
	u32 clock = get_async_pci_freq();

#ifdef CONFIG_440EPX
	printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
#else
	printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
#endif

	rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0));
	printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000);

	if (i > 0) {
		puts(", serial# ");
		puts(buf);
	}
	putc('\n');

	/*
	 * Reconfiguration of the PCI sync clock is already done,
	 * now check again if everything is in range:
	 */
	if (ppc4xx_pci_sync_clock_config(clock)) {
		printf("ERROR: PCI clocking incorrect (async=%d "
		       "sync=%ld)!\n", clock, get_PCI_freq());
	}

	return (0);
}

#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
/*
 * Assign interrupts to PCI devices.
 */
void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
}
#endif

#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_SYS_RAMBOOT)
/*
 * On NAND-booting sequoia, we need to patch the chips select numbers
 * in the dtb (CS0 - NAND, CS3 - NOR)
 */
void ft_board_setup(void *blob, bd_t *bd)
{
	int rc;
	int len;
	int nodeoffset;
	struct fdt_property *prop;
	u32 *reg;
	char path[32];

	/* First do common fdt setup */
	__ft_board_setup(blob, bd);

	/* And now configure NOR chip select to 3 instead of 0 */
	strcpy(path, "/plb/opb/ebc/nor_flash@0,0");
	nodeoffset = fdt_path_offset(blob, path);
	prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
	if (prop == NULL) {
		printf("Unable to update NOR chip select for NAND booting\n");
		return;
	}
	reg = (u32 *)&prop->data[0];
	reg[0] = 3;
	rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
	if (rc) {
		printf("Unable to update property NOR mappings, err=%s\n",
		       fdt_strerror(rc));
		return;
	}

	/* And now configure NAND chip select to 0 instead of 3 */
	strcpy(path, "/plb/opb/ebc/ndfc@3,0");
	nodeoffset = fdt_path_offset(blob, path);
	prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
	if (prop == NULL) {
		printf("Unable to update NDFC chip select for NAND booting\n");
		return;
	}
	reg = (u32 *)&prop->data[0];
	reg[0] = 0;
	rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
	if (rc) {
		printf("Unable to update property NDFC mappings, err=%s\n",
		       fdt_strerror(rc));
		return;
	}
}
#endif /* CONFIG_NAND_U_BOOT */
Commit	Line	Data
887e2ec9	1	/*
5132106a	2	* (C) Copyright 2006-2009
887e2ec9 SR	3	* Stefan Roese, DENX Software Engineering, sr@denx.de.
	4	*
	5	* (C) Copyright 2006
	6	* Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
865f0f97	7	* Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
887e2ec9 SR	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation; either version 2 of
	12	* the License, or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	22	* MA 02111-1307 USA
	23	*/
	24
	25	#include <common.h>
13628884 SR	26	#include <libfdt.h>
13628884 SR	27	#include <fdt_support.h>
b36df561	28	#include <asm/ppc4xx.h>
09887762	29	#include <asm/ppc4xx-gpio.h>
887e2ec9	30	#include <asm/processor.h>
5a5958b7	31	#include <asm/io.h>
83a49c8d	32	#include <asm/bitops.h>
887e2ec9 SR	33
	34	DECLARE_GLOBAL_DATA_PTR;
	35
d873133f	36	#if !defined(CONFIG_SYS_NO_FLASH)
6d0f6bcf	37	extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
d873133f	38	#endif
887e2ec9	39
5132106a SR	40	extern void __ft_board_setup(void blob, bd_t bd);
5132106a SR	41	ulong flash_get_size(ulong base, int banknum);
1b3c360c	42
23c51a2d SR	43	static inline u32 get_async_pci_freq(void)
	44	{
	45	if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) &
	46	CONFIG_SYS_BCSR5_PCI66EN)
	47	return 66666666;
	48	else
	49	return 33333333;
	50	}
	51
887e2ec9 SR	52	int board_early_init_f(void)
887e2ec9 SR	53	{
a78bc443 SR	54	u32 sdr0_cust0;
	55	u32 sdr0_pfc1, sdr0_pfc2;
	56	u32 reg;
887e2ec9	57
d1c3b275 SR	58	mtdcr(EBC0_CFGADDR, EBC0_CFG);
d1c3b275 SR	59	mtdcr(EBC0_CFGDATA, 0xb8400000);
887e2ec9	60
83a49c8d	61	/*
887e2ec9	62	* Setup the interrupt controller polarities, triggers, etc.
83a49c8d	63	*/
952e7760 SR	64	mtdcr(UIC0SR, 0xffffffff); /* clear all */
	65	mtdcr(UIC0ER, 0x00000000); /* disable all */
	66	mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
	67	mtdcr(UIC0PR, 0xfffff7ff); /* per ref-board manual */
	68	mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
	69	mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
	70	mtdcr(UIC0SR, 0xffffffff); /* clear all */
887e2ec9	71
952e7760 SR	72	mtdcr(UIC1SR, 0xffffffff); /* clear all */
	73	mtdcr(UIC1ER, 0x00000000); /* disable all */
	74	mtdcr(UIC1CR, 0x00000000); /* all non-critical */
	75	mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
	76	mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
	77	mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
	78	mtdcr(UIC1SR, 0xffffffff); /* clear all */
887e2ec9	79
952e7760 SR	80	mtdcr(UIC2SR, 0xffffffff); /* clear all */
	81	mtdcr(UIC2ER, 0x00000000); /* disable all */
	82	mtdcr(UIC2CR, 0x00000000); /* all non-critical */
	83	mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
	84	mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
	85	mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
	86	mtdcr(UIC2SR, 0xffffffff); /* clear all */
887e2ec9	87
23c51a2d SR	88	/* Check and reconfigure the PCI sync clock if necessary */
	89	ppc4xx_pci_sync_clock_config(get_async_pci_freq());
	90
887e2ec9	91	/* 50MHz tmrclk */
6d0f6bcf	92	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00);
887e2ec9 SR	93
887e2ec9 SR	94	/* clear write protects */
6d0f6bcf	95	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x07, 0x00);
887e2ec9 SR	96
887e2ec9 SR	97	/* enable Ethernet */
6d0f6bcf	98	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x08, 0x00);
887e2ec9 SR	99
887e2ec9 SR	100	/* enable USB device */
6d0f6bcf	101	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x09, 0x20);
887e2ec9	102
b738654d	103	/* select Ethernet (and optionally IIC1) pins */
887e2ec9	104	mfsdr(SDR0_PFC1, sdr0_pfc1);
83a49c8d MF	105	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) \|
83a49c8d MF	106	SDR0_PFC1_SELECT_CONFIG_4;
b738654d MN	107	#ifdef CONFIG_I2C_MULTI_BUS
	108	sdr0_pfc1 \|= ((sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) \| SDR0_PFC1_SIS_IIC1_SEL);
	109	#endif
eab10073 SF	110	/* Two UARTs, so we need 4-pin mode. Also, we want CTS/RTS mode. */
	111	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) \| SDR0_PFC1_U0IM_4PINS;
	112	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) \| SDR0_PFC1_U0ME_CTS_RTS;
	113	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) \| SDR0_PFC1_U1ME_CTS_RTS;
	114
887e2ec9	115	mfsdr(SDR0_PFC2, sdr0_pfc2);
83a49c8d MF	116	sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) \|
83a49c8d MF	117	SDR0_PFC2_SELECT_CONFIG_4;
887e2ec9 SR	118	mtsdr(SDR0_PFC2, sdr0_pfc2);
	119	mtsdr(SDR0_PFC1, sdr0_pfc1);
	120
	121	/* PCI arbiter enabled */
d1c3b275 SR	122	mfsdr(SDR0_PCI0, reg);
d1c3b275 SR	123	mtsdr(SDR0_PCI0, 0x80000000 \| reg);
887e2ec9 SR	124
	125	/* setup NAND FLASH */
	126	mfsdr(SDR0_CUST0, sdr0_cust0);
511d0c72	127	sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL \|
887e2ec9 SR	128	SDR0_CUST0_NDFC_ENABLE \|
	129	SDR0_CUST0_NDFC_BW_8_BIT \|
	130	SDR0_CUST0_NDFC_ARE_MASK \|
6d0f6bcf	131	(0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
511d0c72	132	mtsdr(SDR0_CUST0, sdr0_cust0);
887e2ec9 SR	133
	134	return 0;
	135	}
	136
887e2ec9 SR	137	int misc_init_r(void)
887e2ec9 SR	138	{
d873133f	139	#if !defined(CONFIG_SYS_NO_FLASH)
887e2ec9 SR	140	uint pbcr;
887e2ec9 SR	141	int size_val = 0;
d873133f	142	#endif
854bc8da	143	#ifdef CONFIG_440EPX
887e2ec9 SR	144	unsigned long usb2d0cr = 0;
	145	unsigned long usb2phy0cr, usb2h0cr = 0;
	146	unsigned long sdr0_pfc1;
	147	char *act = getenv("usbact");
854bc8da	148	#endif
d873133f	149	u32 reg;
887e2ec9	150
d873133f	151	#if !defined(CONFIG_SYS_NO_FLASH)
83a49c8d	152	/* Re-do flash sizing to get full correct info */
1b3c360c SR	153
	154	/* adjust flash start and offset */
	155	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
	156	gd->bd->bi_flashoffset = 0;
	157
4adcbdc6 SR	158	#if defined(CONFIG_NAND_U_BOOT) \|\| defined(CONFIG_NAND_SPL) \|\| \
4adcbdc6 SR	159	defined(CONFIG_SYS_RAMBOOT)
d1c3b275	160	mtdcr(EBC0_CFGADDR, PB3CR);
887e2ec9	161	#else
d1c3b275	162	mtdcr(EBC0_CFGADDR, PB0CR);
887e2ec9	163	#endif
d1c3b275	164	pbcr = mfdcr(EBC0_CFGDATA);
865f0f97	165	size_val = ffs(gd->bd->bi_flashsize) - 21;
887e2ec9	166	pbcr = (pbcr & 0x0001ffff) \| gd->bd->bi_flashstart \| (size_val << 17);
4adcbdc6 SR	167	#if defined(CONFIG_NAND_U_BOOT) \|\| defined(CONFIG_NAND_SPL) \|\| \
4adcbdc6 SR	168	defined(CONFIG_SYS_RAMBOOT)
d1c3b275	169	mtdcr(EBC0_CFGADDR, PB3CR);
887e2ec9	170	#else
d1c3b275	171	mtdcr(EBC0_CFGADDR, PB0CR);
887e2ec9	172	#endif
d1c3b275	173	mtdcr(EBC0_CFGDATA, pbcr);
887e2ec9	174
1b3c360c SR	175	/*
	176	* Re-check to get correct base address
	177	*/
	178	flash_get_size(gd->bd->bi_flashstart, 0);
887e2ec9	179
5a1aceb0	180	#ifdef CONFIG_ENV_IS_IN_FLASH
887e2ec9 SR	181	/* Monitor protection ON by default */
887e2ec9 SR	182	(void)flash_protect(FLAG_PROTECT_SET,
6d0f6bcf	183	-CONFIG_SYS_MONITOR_LEN,
887e2ec9 SR	184	0xffffffff,
	185	&flash_info[0]);
	186
	187	/* Env protection ON by default */
	188	(void)flash_protect(FLAG_PROTECT_SET,
0e8d1586 JCPV	189	CONFIG_ENV_ADDR_REDUND,
0e8d1586 JCPV	190	CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
887e2ec9 SR	191	&flash_info[0]);
887e2ec9 SR	192	#endif
d873133f	193	#endif /* CONFIG_SYS_NO_FLASH */
887e2ec9 SR	194
	195	/*
	196	* USB suff...
	197	*/
854bc8da	198	#ifdef CONFIG_440EPX
83a49c8d	199	if (act == NULL \|\| strcmp(act, "hostdev") == 0) {
887e2ec9	200	/* SDR Setting */
511d0c72	201	mfsdr(SDR0_PFC1, sdr0_pfc1);
f780b833	202	mfsdr(SDR0_USB2D0CR, usb2d0cr);
511d0c72 WD	203	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
511d0c72 WD	204	mfsdr(SDR0_USB2H0CR, usb2h0cr);
887e2ec9 SR	205
887e2ec9 SR	206	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
83a49c8d	207	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
511d0c72	208	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
83a49c8d	209	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
887e2ec9	210	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
83a49c8d	211	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DVBUS_PURDIS;
887e2ec9	212	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
83a49c8d	213	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DWNSTR_HOST;
887e2ec9	214	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
83a49c8d	215	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_UTMICN_HOST;
887e2ec9	216
83a49c8d MF	217	/*
	218	* An 8-bit/60MHz interface is the only possible alternative
	219	* when connecting the Device to the PHY
	220	*/
511d0c72	221	usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
83a49c8d	222	usb2h0cr = usb2h0cr \| SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
887e2ec9	223
83a49c8d MF	224	/*
	225	* To enable the USB 2.0 Device function
	226	* through the UTMI interface
	227	*/
511d0c72	228	usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
83a49c8d	229	usb2d0cr = usb2d0cr \| SDR0_USB2D0CR_USB2DEV_SELECTION;
887e2ec9	230
511d0c72	231	sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
83a49c8d	232	sdr0_pfc1 = sdr0_pfc1 \| SDR0_PFC1_UES_USB2D_SEL;
887e2ec9	233
511d0c72	234	mtsdr(SDR0_PFC1, sdr0_pfc1);
f780b833	235	mtsdr(SDR0_USB2D0CR, usb2d0cr);
511d0c72 WD	236	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
511d0c72 WD	237	mtsdr(SDR0_USB2H0CR, usb2h0cr);
887e2ec9 SR	238
	239	/clear resets/
	240	udelay (1000);
	241	mtsdr(SDR0_SRST1, 0x00000000);
	242	udelay (1000);
	243	mtsdr(SDR0_SRST0, 0x00000000);
	244
	245	printf("USB: Host(int phy) Device(ext phy)\n");
	246
	247	} else if (strcmp(act, "dev") == 0) {
	248	/-------------------PATCH-------------------------------/
	249	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
	250
	251	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
83a49c8d	252	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
887e2ec9	253	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
83a49c8d	254	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DVBUS_PURDIS;
887e2ec9	255	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
83a49c8d	256	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DWNSTR_HOST;
887e2ec9	257	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
83a49c8d	258	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_UTMICN_HOST;
887e2ec9 SR	259	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
	260
	261	udelay (1000);
	262	mtsdr(SDR0_SRST1, 0x672c6000);
	263
	264	udelay (1000);
	265	mtsdr(SDR0_SRST0, 0x00000080);
	266
	267	udelay (1000);
	268	mtsdr(SDR0_SRST1, 0x60206000);
	269
	270	(unsigned int )(0xe0000350) = 0x00000001;
	271
	272	udelay (1000);
	273	mtsdr(SDR0_SRST1, 0x60306000);
	274	/-------------------PATCH-------------------------------/
	275
	276	/* SDR Setting */
511d0c72	277	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
887e2ec9	278	mfsdr(SDR0_USB2H0CR, usb2h0cr);
f780b833	279	mfsdr(SDR0_USB2D0CR, usb2d0cr);
887e2ec9 SR	280	mfsdr(SDR0_PFC1, sdr0_pfc1);
	281
	282	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
83a49c8d	283	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
511d0c72	284	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
83a49c8d	285	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
887e2ec9	286	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
83a49c8d	287	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DVBUS_PUREN;
887e2ec9	288	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
83a49c8d	289	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DWNSTR_DEV;
887e2ec9	290	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
83a49c8d	291	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_UTMICN_DEV;
887e2ec9 SR	292
887e2ec9 SR	293	usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
83a49c8d	294	usb2h0cr = usb2h0cr \| SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
887e2ec9 SR	295
887e2ec9 SR	296	usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
83a49c8d	297	usb2d0cr = usb2d0cr \| SDR0_USB2D0CR_EBC_SELECTION;
887e2ec9 SR	298
887e2ec9 SR	299	sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
83a49c8d	300	sdr0_pfc1 = sdr0_pfc1 \| SDR0_PFC1_UES_EBCHR_SEL;
887e2ec9	301
511d0c72 WD	302	mtsdr(SDR0_USB2H0CR, usb2h0cr);
511d0c72 WD	303	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
f780b833	304	mtsdr(SDR0_USB2D0CR, usb2d0cr);
887e2ec9 SR	305	mtsdr(SDR0_PFC1, sdr0_pfc1);
887e2ec9 SR	306
83a49c8d	307	/* clear resets */
887e2ec9 SR	308	udelay (1000);
	309	mtsdr(SDR0_SRST1, 0x00000000);
	310	udelay (1000);
	311	mtsdr(SDR0_SRST0, 0x00000000);
	312
	313	printf("USB: Device(int phy)\n");
	314	}
854bc8da	315	#endif /* CONFIG_440EPX */
887e2ec9	316
8ce16f55 JO	317	mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
	318	reg &= ~(SDR0_SRST1_CRYP0 \| SDR0_SRST1_KASU0);
	319	mtsdr(SDR0_SRST1, reg);
	320
a78bc443 SR	321	/*
	322	* Clear PLB4A0_ACR[WRP]
	323	* This fix will make the MAL burst disabling patch for the Linux
	324	* EMAC driver obsolete.
	325	*/
5e7abce9 SR	326	reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK;
5e7abce9 SR	327	mtdcr(PLB4A0_ACR, reg);
a78bc443	328
887e2ec9 SR	329	return 0;
	330	}
	331
	332	int checkboard(void)
	333	{
f0c0b3a9 WD	334	char buf[64];
f0c0b3a9 WD	335	int i = getenv_f("serial#", buf, sizeof(buf));
e0b9ea8c	336	u8 rev;
23c51a2d	337	u32 clock = get_async_pci_freq();
887e2ec9	338
854bc8da	339	#ifdef CONFIG_440EPX
887e2ec9	340	printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
854bc8da SR	341	#else
	342	printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
	343	#endif
e0b9ea8c	344
6d0f6bcf	345	rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0));
23c51a2d	346	printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000);
e0b9ea8c	347
f0c0b3a9	348	if (i > 0) {
887e2ec9	349	puts(", serial# ");
f0c0b3a9	350	puts(buf);
887e2ec9 SR	351	}
	352	putc('\n');
	353
23c51a2d SR	354	/*
	355	* Reconfiguration of the PCI sync clock is already done,
	356	* now check again if everything is in range:
	357	*/
	358	if (ppc4xx_pci_sync_clock_config(clock)) {
	359	printf("ERROR: PCI clocking incorrect (async=%d "
	360	"sync=%ld)!\n", clock, get_PCI_freq());
	361	}
	362
887e2ec9 SR	363	return (0);
	364	}
	365
1f84021a MF	366	#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
	367	/*
	368	* Assign interrupts to PCI devices.
	369	*/
a760b020	370	void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
1f84021a	371	{
d1631fe1	372	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
1f84021a MF	373	}
	374	#endif
	375
d873133f	376	#if defined(CONFIG_NAND_U_BOOT) \|\| defined(CONFIG_SYS_RAMBOOT)
5132106a SR	377	/*
	378	* On NAND-booting sequoia, we need to patch the chips select numbers
	379	* in the dtb (CS0 - NAND, CS3 - NOR)
	380	*/
	381	void ft_board_setup(void blob, bd_t bd)
	382	{
	383	int rc;
	384	int len;
	385	int nodeoffset;
	386	struct fdt_property *prop;
	387	u32 *reg;
	388	char path[32];
	389
	390	/* First do common fdt setup */
	391	__ft_board_setup(blob, bd);
	392
	393	/* And now configure NOR chip select to 3 instead of 0 */
	394	strcpy(path, "/plb/opb/ebc/nor_flash@0,0");
	395	nodeoffset = fdt_path_offset(blob, path);
	396	prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
	397	if (prop == NULL) {
	398	printf("Unable to update NOR chip select for NAND booting\n");
	399	return;
	400	}
	401	reg = (u32 *)&prop->data[0];
	402	reg[0] = 3;
	403	rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
	404	if (rc) {
	405	printf("Unable to update property NOR mappings, err=%s\n",
	406	fdt_strerror(rc));
	407	return;
	408	}
	409
	410	/* And now configure NAND chip select to 0 instead of 3 */
	411	strcpy(path, "/plb/opb/ebc/ndfc@3,0");
	412	nodeoffset = fdt_path_offset(blob, path);
	413	prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
	414	if (prop == NULL) {
	415	printf("Unable to update NDFC chip select for NAND booting\n");
	416	return;
	417	}
	418	reg = (u32 *)&prop->data[0];
	419	reg[0] = 0;
	420	rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
	421	if (rc) {
	422	printf("Unable to update property NDFC mappings, err=%s\n",
	423	fdt_strerror(rc));
	424	return;
	425	}
	426	}
	427	#endif /* CONFIG_NAND_U_BOOT */