[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
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#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	8	*
1a459660	9	* SPDX-License-Identifier: GPL-2.0+
887e2ec9 SR	10	*/
	11
	12	#include <common.h>
13628884 SR	13	#include <libfdt.h>
13628884 SR	14	#include <fdt_support.h>
b36df561	15	#include <asm/ppc4xx.h>
09887762	16	#include <asm/ppc4xx-gpio.h>
887e2ec9	17	#include <asm/processor.h>
5a5958b7	18	#include <asm/io.h>
83a49c8d	19	#include <asm/bitops.h>
887e2ec9 SR	20
	21	DECLARE_GLOBAL_DATA_PTR;
	22
d873133f	23	#if !defined(CONFIG_SYS_NO_FLASH)
6d0f6bcf	24	extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
d873133f	25	#endif
887e2ec9	26
5132106a SR	27	extern void __ft_board_setup(void blob, bd_t bd);
5132106a SR	28	ulong flash_get_size(ulong base, int banknum);
1b3c360c	29
23c51a2d SR	30	static inline u32 get_async_pci_freq(void)
	31	{
	32	if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) &
	33	CONFIG_SYS_BCSR5_PCI66EN)
	34	return 66666666;
	35	else
	36	return 33333333;
	37	}
	38
887e2ec9 SR	39	int board_early_init_f(void)
887e2ec9 SR	40	{
a78bc443 SR	41	u32 sdr0_cust0;
	42	u32 sdr0_pfc1, sdr0_pfc2;
	43	u32 reg;
887e2ec9	44
d1c3b275 SR	45	mtdcr(EBC0_CFGADDR, EBC0_CFG);
d1c3b275 SR	46	mtdcr(EBC0_CFGDATA, 0xb8400000);
887e2ec9	47
83a49c8d	48	/*
887e2ec9	49	* Setup the interrupt controller polarities, triggers, etc.
83a49c8d	50	*/
952e7760 SR	51	mtdcr(UIC0SR, 0xffffffff); /* clear all */
	52	mtdcr(UIC0ER, 0x00000000); /* disable all */
	53	mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
	54	mtdcr(UIC0PR, 0xfffff7ff); /* per ref-board manual */
	55	mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
	56	mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
	57	mtdcr(UIC0SR, 0xffffffff); /* clear all */
887e2ec9	58
952e7760 SR	59	mtdcr(UIC1SR, 0xffffffff); /* clear all */
	60	mtdcr(UIC1ER, 0x00000000); /* disable all */
	61	mtdcr(UIC1CR, 0x00000000); /* all non-critical */
	62	mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
	63	mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
	64	mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
	65	mtdcr(UIC1SR, 0xffffffff); /* clear all */
887e2ec9	66
952e7760 SR	67	mtdcr(UIC2SR, 0xffffffff); /* clear all */
	68	mtdcr(UIC2ER, 0x00000000); /* disable all */
	69	mtdcr(UIC2CR, 0x00000000); /* all non-critical */
	70	mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
	71	mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
	72	mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
	73	mtdcr(UIC2SR, 0xffffffff); /* clear all */
887e2ec9	74
23c51a2d SR	75	/* Check and reconfigure the PCI sync clock if necessary */
	76	ppc4xx_pci_sync_clock_config(get_async_pci_freq());
	77
887e2ec9	78	/* 50MHz tmrclk */
6d0f6bcf	79	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00);
887e2ec9 SR	80
887e2ec9 SR	81	/* clear write protects */
6d0f6bcf	82	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x07, 0x00);
887e2ec9 SR	83
887e2ec9 SR	84	/* enable Ethernet */
6d0f6bcf	85	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x08, 0x00);
887e2ec9 SR	86
887e2ec9 SR	87	/* enable USB device */
6d0f6bcf	88	out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x09, 0x20);
887e2ec9	89
b738654d	90	/* select Ethernet (and optionally IIC1) pins */
887e2ec9	91	mfsdr(SDR0_PFC1, sdr0_pfc1);
83a49c8d MF	92	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) \|
83a49c8d MF	93	SDR0_PFC1_SELECT_CONFIG_4;
b738654d MN	94	#ifdef CONFIG_I2C_MULTI_BUS
	95	sdr0_pfc1 \|= ((sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) \| SDR0_PFC1_SIS_IIC1_SEL);
	96	#endif
eab10073 SF	97	/* Two UARTs, so we need 4-pin mode. Also, we want CTS/RTS mode. */
	98	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) \| SDR0_PFC1_U0IM_4PINS;
	99	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) \| SDR0_PFC1_U0ME_CTS_RTS;
	100	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) \| SDR0_PFC1_U1ME_CTS_RTS;
	101
887e2ec9	102	mfsdr(SDR0_PFC2, sdr0_pfc2);
83a49c8d MF	103	sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) \|
83a49c8d MF	104	SDR0_PFC2_SELECT_CONFIG_4;
887e2ec9 SR	105	mtsdr(SDR0_PFC2, sdr0_pfc2);
	106	mtsdr(SDR0_PFC1, sdr0_pfc1);
	107
	108	/* PCI arbiter enabled */
d1c3b275 SR	109	mfsdr(SDR0_PCI0, reg);
d1c3b275 SR	110	mtsdr(SDR0_PCI0, 0x80000000 \| reg);
887e2ec9 SR	111
	112	/* setup NAND FLASH */
	113	mfsdr(SDR0_CUST0, sdr0_cust0);
511d0c72	114	sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL \|
887e2ec9 SR	115	SDR0_CUST0_NDFC_ENABLE \|
	116	SDR0_CUST0_NDFC_BW_8_BIT \|
	117	SDR0_CUST0_NDFC_ARE_MASK \|
6d0f6bcf	118	(0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
511d0c72	119	mtsdr(SDR0_CUST0, sdr0_cust0);
887e2ec9 SR	120
	121	return 0;
	122	}
	123
887e2ec9 SR	124	int misc_init_r(void)
887e2ec9 SR	125	{
d873133f	126	#if !defined(CONFIG_SYS_NO_FLASH)
887e2ec9 SR	127	uint pbcr;
887e2ec9 SR	128	int size_val = 0;
d873133f	129	#endif
854bc8da	130	#ifdef CONFIG_440EPX
887e2ec9 SR	131	unsigned long usb2d0cr = 0;
	132	unsigned long usb2phy0cr, usb2h0cr = 0;
	133	unsigned long sdr0_pfc1;
	134	char *act = getenv("usbact");
854bc8da	135	#endif
d873133f	136	u32 reg;
887e2ec9	137
d873133f	138	#if !defined(CONFIG_SYS_NO_FLASH)
83a49c8d	139	/* Re-do flash sizing to get full correct info */
1b3c360c SR	140
	141	/* adjust flash start and offset */
	142	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
	143	gd->bd->bi_flashoffset = 0;
	144
4adcbdc6 SR	145	#if defined(CONFIG_NAND_U_BOOT) \|\| defined(CONFIG_NAND_SPL) \|\| \
4adcbdc6 SR	146	defined(CONFIG_SYS_RAMBOOT)
d1c3b275	147	mtdcr(EBC0_CFGADDR, PB3CR);
887e2ec9	148	#else
d1c3b275	149	mtdcr(EBC0_CFGADDR, PB0CR);
887e2ec9	150	#endif
d1c3b275	151	pbcr = mfdcr(EBC0_CFGDATA);
865f0f97	152	size_val = ffs(gd->bd->bi_flashsize) - 21;
887e2ec9	153	pbcr = (pbcr & 0x0001ffff) \| gd->bd->bi_flashstart \| (size_val << 17);
4adcbdc6 SR	154	#if defined(CONFIG_NAND_U_BOOT) \|\| defined(CONFIG_NAND_SPL) \|\| \
4adcbdc6 SR	155	defined(CONFIG_SYS_RAMBOOT)
d1c3b275	156	mtdcr(EBC0_CFGADDR, PB3CR);
887e2ec9	157	#else
d1c3b275	158	mtdcr(EBC0_CFGADDR, PB0CR);
887e2ec9	159	#endif
d1c3b275	160	mtdcr(EBC0_CFGDATA, pbcr);
887e2ec9	161
1b3c360c SR	162	/*
	163	* Re-check to get correct base address
	164	*/
	165	flash_get_size(gd->bd->bi_flashstart, 0);
887e2ec9	166
5a1aceb0	167	#ifdef CONFIG_ENV_IS_IN_FLASH
887e2ec9 SR	168	/* Monitor protection ON by default */
887e2ec9 SR	169	(void)flash_protect(FLAG_PROTECT_SET,
6d0f6bcf	170	-CONFIG_SYS_MONITOR_LEN,
887e2ec9 SR	171	0xffffffff,
	172	&flash_info[0]);
	173
	174	/* Env protection ON by default */
	175	(void)flash_protect(FLAG_PROTECT_SET,
0e8d1586 JCPV	176	CONFIG_ENV_ADDR_REDUND,
0e8d1586 JCPV	177	CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
887e2ec9 SR	178	&flash_info[0]);
887e2ec9 SR	179	#endif
d873133f	180	#endif /* CONFIG_SYS_NO_FLASH */
887e2ec9 SR	181
	182	/*
	183	* USB suff...
	184	*/
854bc8da	185	#ifdef CONFIG_440EPX
83a49c8d	186	if (act == NULL \|\| strcmp(act, "hostdev") == 0) {
887e2ec9	187	/* SDR Setting */
511d0c72	188	mfsdr(SDR0_PFC1, sdr0_pfc1);
f780b833	189	mfsdr(SDR0_USB2D0CR, usb2d0cr);
511d0c72 WD	190	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
511d0c72 WD	191	mfsdr(SDR0_USB2H0CR, usb2h0cr);
887e2ec9 SR	192
887e2ec9 SR	193	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
83a49c8d	194	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
511d0c72	195	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
83a49c8d	196	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
887e2ec9	197	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
83a49c8d	198	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DVBUS_PURDIS;
887e2ec9	199	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
83a49c8d	200	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DWNSTR_HOST;
887e2ec9	201	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
83a49c8d	202	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_UTMICN_HOST;
887e2ec9	203
83a49c8d MF	204	/*
	205	* An 8-bit/60MHz interface is the only possible alternative
	206	* when connecting the Device to the PHY
	207	*/
511d0c72	208	usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
83a49c8d	209	usb2h0cr = usb2h0cr \| SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
887e2ec9	210
83a49c8d MF	211	/*
	212	* To enable the USB 2.0 Device function
	213	* through the UTMI interface
	214	*/
511d0c72	215	usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
83a49c8d	216	usb2d0cr = usb2d0cr \| SDR0_USB2D0CR_USB2DEV_SELECTION;
887e2ec9	217
511d0c72	218	sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
83a49c8d	219	sdr0_pfc1 = sdr0_pfc1 \| SDR0_PFC1_UES_USB2D_SEL;
887e2ec9	220
511d0c72	221	mtsdr(SDR0_PFC1, sdr0_pfc1);
f780b833	222	mtsdr(SDR0_USB2D0CR, usb2d0cr);
511d0c72 WD	223	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
511d0c72 WD	224	mtsdr(SDR0_USB2H0CR, usb2h0cr);
887e2ec9 SR	225
	226	/clear resets/
	227	udelay (1000);
	228	mtsdr(SDR0_SRST1, 0x00000000);
	229	udelay (1000);
	230	mtsdr(SDR0_SRST0, 0x00000000);
	231
	232	printf("USB: Host(int phy) Device(ext phy)\n");
	233
	234	} else if (strcmp(act, "dev") == 0) {
	235	/-------------------PATCH-------------------------------/
	236	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
	237
	238	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
83a49c8d	239	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
887e2ec9	240	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
83a49c8d	241	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DVBUS_PURDIS;
887e2ec9	242	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
83a49c8d	243	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DWNSTR_HOST;
887e2ec9	244	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
83a49c8d	245	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_UTMICN_HOST;
887e2ec9 SR	246	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
	247
	248	udelay (1000);
	249	mtsdr(SDR0_SRST1, 0x672c6000);
	250
	251	udelay (1000);
	252	mtsdr(SDR0_SRST0, 0x00000080);
	253
	254	udelay (1000);
	255	mtsdr(SDR0_SRST1, 0x60206000);
	256
	257	(unsigned int )(0xe0000350) = 0x00000001;
	258
	259	udelay (1000);
	260	mtsdr(SDR0_SRST1, 0x60306000);
	261	/-------------------PATCH-------------------------------/
	262
	263	/* SDR Setting */
511d0c72	264	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
887e2ec9	265	mfsdr(SDR0_USB2H0CR, usb2h0cr);
f780b833	266	mfsdr(SDR0_USB2D0CR, usb2d0cr);
887e2ec9 SR	267	mfsdr(SDR0_PFC1, sdr0_pfc1);
	268
	269	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
83a49c8d	270	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
511d0c72	271	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
83a49c8d	272	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
887e2ec9	273	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
83a49c8d	274	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DVBUS_PUREN;
887e2ec9	275	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
83a49c8d	276	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_DWNSTR_DEV;
887e2ec9	277	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
83a49c8d	278	usb2phy0cr = usb2phy0cr \| SDR0_USB2PHY0CR_UTMICN_DEV;
887e2ec9 SR	279
887e2ec9 SR	280	usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
83a49c8d	281	usb2h0cr = usb2h0cr \| SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
887e2ec9 SR	282
887e2ec9 SR	283	usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
83a49c8d	284	usb2d0cr = usb2d0cr \| SDR0_USB2D0CR_EBC_SELECTION;
887e2ec9 SR	285
887e2ec9 SR	286	sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
83a49c8d	287	sdr0_pfc1 = sdr0_pfc1 \| SDR0_PFC1_UES_EBCHR_SEL;
887e2ec9	288
511d0c72 WD	289	mtsdr(SDR0_USB2H0CR, usb2h0cr);
511d0c72 WD	290	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
f780b833	291	mtsdr(SDR0_USB2D0CR, usb2d0cr);
887e2ec9 SR	292	mtsdr(SDR0_PFC1, sdr0_pfc1);
887e2ec9 SR	293
83a49c8d	294	/* clear resets */
887e2ec9 SR	295	udelay (1000);
	296	mtsdr(SDR0_SRST1, 0x00000000);
	297	udelay (1000);
	298	mtsdr(SDR0_SRST0, 0x00000000);
	299
	300	printf("USB: Device(int phy)\n");
	301	}
854bc8da	302	#endif /* CONFIG_440EPX */
887e2ec9	303
8ce16f55 JO	304	mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
	305	reg &= ~(SDR0_SRST1_CRYP0 \| SDR0_SRST1_KASU0);
	306	mtsdr(SDR0_SRST1, reg);
	307
a78bc443 SR	308	/*
	309	* Clear PLB4A0_ACR[WRP]
	310	* This fix will make the MAL burst disabling patch for the Linux
	311	* EMAC driver obsolete.
	312	*/
5e7abce9 SR	313	reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK;
5e7abce9 SR	314	mtdcr(PLB4A0_ACR, reg);
a78bc443	315
887e2ec9 SR	316	return 0;
	317	}
	318
	319	int checkboard(void)
	320	{
f0c0b3a9 WD	321	char buf[64];
f0c0b3a9 WD	322	int i = getenv_f("serial#", buf, sizeof(buf));
e0b9ea8c	323	u8 rev;
23c51a2d	324	u32 clock = get_async_pci_freq();
887e2ec9	325
854bc8da	326	#ifdef CONFIG_440EPX
887e2ec9	327	printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
854bc8da SR	328	#else
	329	printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
	330	#endif
e0b9ea8c	331
6d0f6bcf	332	rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0));
23c51a2d	333	printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000);
e0b9ea8c	334
f0c0b3a9	335	if (i > 0) {
887e2ec9	336	puts(", serial# ");
f0c0b3a9	337	puts(buf);
887e2ec9 SR	338	}
	339	putc('\n');
	340
23c51a2d SR	341	/*
	342	* Reconfiguration of the PCI sync clock is already done,
	343	* now check again if everything is in range:
	344	*/
	345	if (ppc4xx_pci_sync_clock_config(clock)) {
	346	printf("ERROR: PCI clocking incorrect (async=%d "
	347	"sync=%ld)!\n", clock, get_PCI_freq());
	348	}
	349
887e2ec9 SR	350	return (0);
	351	}
	352
1f84021a MF	353	#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
	354	/*
	355	* Assign interrupts to PCI devices.
	356	*/
a760b020	357	void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
1f84021a	358	{
d1631fe1	359	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
1f84021a MF	360	}
	361	#endif
	362
d873133f	363	#if defined(CONFIG_NAND_U_BOOT) \|\| defined(CONFIG_SYS_RAMBOOT)
5132106a SR	364	/*
	365	* On NAND-booting sequoia, we need to patch the chips select numbers
	366	* in the dtb (CS0 - NAND, CS3 - NOR)
	367	*/
	368	void ft_board_setup(void blob, bd_t bd)
	369	{
	370	int rc;
	371	int len;
	372	int nodeoffset;
	373	struct fdt_property *prop;
	374	u32 *reg;
	375	char path[32];
	376
	377	/* First do common fdt setup */
	378	__ft_board_setup(blob, bd);
	379
	380	/* And now configure NOR chip select to 3 instead of 0 */
	381	strcpy(path, "/plb/opb/ebc/nor_flash@0,0");
	382	nodeoffset = fdt_path_offset(blob, path);
	383	prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
	384	if (prop == NULL) {
	385	printf("Unable to update NOR chip select for NAND booting\n");
	386	return;
	387	}
	388	reg = (u32 *)&prop->data[0];
	389	reg[0] = 3;
	390	rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
	391	if (rc) {
	392	printf("Unable to update property NOR mappings, err=%s\n",
	393	fdt_strerror(rc));
	394	return;
	395	}
	396
	397	/* And now configure NAND chip select to 0 instead of 3 */
	398	strcpy(path, "/plb/opb/ebc/ndfc@3,0");
	399	nodeoffset = fdt_path_offset(blob, path);
	400	prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
	401	if (prop == NULL) {
	402	printf("Unable to update NDFC chip select for NAND booting\n");
	403	return;
	404	}
	405	reg = (u32 *)&prop->data[0];
	406	reg[0] = 0;
	407	rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
	408	if (rc) {
	409	printf("Unable to update property NDFC mappings, err=%s\n",
	410	fdt_strerror(rc));
	411	return;
	412	}
	413	}
	414	#endif /* CONFIG_NAND_U_BOOT */