コード例 #1
0
/*---------------------------------------------------------------------------+
  | misc_init_r.
  +---------------------------------------------------------------------------*/
int misc_init_r(void)
{
	u32 pbcr;
	int size_val = 0;
	u32 reg;
	unsigned long usb2d0cr = 0;
	unsigned long usb2phy0cr, usb2h0cr = 0;
	unsigned long sdr0_pfc1;

	/*
	 * FLASH stuff...
	 */

	/* Re-do 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;

	mfebc(PB0CR, pbcr);
	switch (gd->bd->bi_flashsize) {
	case 1 << 20:
		size_val = 0;
		break;
	case 2 << 20:
		size_val = 1;
		break;
	case 4 << 20:
		size_val = 2;
		break;
	case 8 << 20:
		size_val = 3;
		break;
	case 16 << 20:
		size_val = 4;
		break;
	case 32 << 20:
		size_val = 5;
		break;
	case 64 << 20:
		size_val = 6;
		break;
	case 128 << 20:
		size_val = 7;
		break;
	}
	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
	mtebc(PB0CR, pbcr);

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

	/* Monitor protection ON by default */
	(void)flash_protect(FLAG_PROTECT_SET,
			    -CONFIG_SYS_MONITOR_LEN,
			    0xffffffff,
			    &flash_info[1]);

	/* 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[1]);

	/*
	 * USB suff...
	 */
	/* SDR Setting */
	mfsdr(SDR0_PFC1, sdr0_pfc1);
	mfsdr(SDR0_USB0, usb2d0cr);
	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
	mfsdr(SDR0_USB2H0CR, usb2h0cr);

	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;	/*0*/
	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;	/*1*/
	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;		/*0*/
	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;		/*1*/
	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;		/*1*/

	/* 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;	/*1*/

	mtsdr(SDR0_PFC1, sdr0_pfc1);
	mtsdr(SDR0_USB0, 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");

	/*
	 * Clear PLB4A0_ACR[WRP]
	 * This fix will make the MAL burst disabling patch for the Linux
	 * EMAC driver obsolete.
	 */
	reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
	mtdcr(PLB4_ACR, reg);

	/*
	 * Init matrix keyboard
	 */
	misc_init_r_kbd();

	return 0;
}
コード例 #2
0
ファイル: ebony.c プロジェクト: 0s4l/u-boot-xlnx
int board_early_init_f(void)
{
	uint reg;
	unsigned char *fpga_base = (unsigned char *)CONFIG_SYS_FPGA_BASE;
	unsigned char status;

	/*--------------------------------------------------------------------
	 * Setup the external bus controller/chip selects
	 *-------------------------------------------------------------------*/
	mtdcr(EBC0_CFGADDR, EBC0_CFG);
	reg = mfdcr(EBC0_CFGDATA);
	mtdcr(EBC0_CFGDATA, reg | 0x04000000);	/* Set ATC */

	mtebc(PB1AP, 0x02815480);	/* NVRAM/RTC */
	mtebc(PB1CR, 0x48018000);	/* BA=0x480 1MB R/W 8-bit */
	mtebc(PB7AP, 0x01015280);	/* FPGA registers */
	mtebc(PB7CR, 0x48318000);	/* BA=0x483 1MB R/W 8-bit */

	/* read FPGA_REG0  and set the bus controller */
	status = *fpga_base;
	if ((status & BOOT_SMALL_FLASH) && !(status & FLASH_ONBD_N)) {
		mtebc(PB0AP, 0x9b015480);	/* FLASH/SRAM */
		mtebc(PB0CR, 0xfff18000);	/* BAS=0xfff 1MB R/W 8-bit */
		mtebc(PB2AP, 0x9b015480);	/* 4MB FLASH */
		mtebc(PB2CR, 0xff858000);	/* BAS=0xff8 4MB R/W 8-bit */
	} else {
		mtebc(PB0AP, 0x9b015480);	/* 4MB FLASH */
		mtebc(PB0CR, 0xffc58000);	/* BAS=0xffc 4MB R/W 8-bit */

		/* set CS2 if FLASH_ONBD_N == 0 */
		if (!(status & FLASH_ONBD_N)) {
			mtebc(PB2AP, 0x9b015480);	/* FLASH/SRAM */
			mtebc(PB2CR, 0xff818000);	/* BAS=0xff8 4MB R/W 8-bit */
		}
	}

	/*--------------------------------------------------------------------
	 * Setup the interrupt controller polarities, triggers, etc.
	 *-------------------------------------------------------------------*/
	mtdcr(UIC0SR, 0xffffffff);	/* clear all */
	mtdcr(UIC0ER, 0x00000000);	/* disable all */
	mtdcr(UIC0CR, 0x00000009);	/* SMI & UIC1 crit are critical */
	mtdcr(UIC0PR, 0xfffffe13);	/* per ref-board manual */
	mtdcr(UIC0TR, 0x01c00008);	/* per ref-board manual */
	mtdcr(UIC0VR, 0x00000001);	/* 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, 0xffffe0ff);	/* per ref-board manual */
	mtdcr(UIC1TR, 0x00ffc000);	/* per ref-board manual */
	mtdcr(UIC1VR, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr(UIC1SR, 0xffffffff);	/* clear all */

	return 0;
}
コード例 #3
0
ファイル: yucca.c プロジェクト: 01hyang/u-boot
int board_early_init_f (void)
{
/*----------------------------------------------------------------------------+
| Define Boot devices
+----------------------------------------------------------------------------*/
#define BOOT_FROM_SMALL_FLASH		0x00
#define BOOT_FROM_LARGE_FLASH_OR_SRAM	0x01
#define BOOT_FROM_PCI			0x02
#define BOOT_DEVICE_UNKNOWN		0x03

/*----------------------------------------------------------------------------+
| EBC Devices Characteristics
|   Peripheral Bank Access Parameters       -   EBC_BxAP
|   Peripheral Bank Configuration Register  -   EBC_BxCR
+----------------------------------------------------------------------------*/

/*
 * Small Flash and FRAM
 * BU Value
 * BxAP : 0x03800000  - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000
 * B0CR : 0xff098000  - BAS = ff0 - 100 11 00 0000000000000
 * B2CR : 0xe7098000  - BAS = e70 - 100 11 00 0000000000000
 */
#define EBC_BXAP_SMALL_FLASH		EBC_BXAP_BME_DISABLED	| \
					EBC_BXAP_TWT_ENCODE(7)	| \
					EBC_BXAP_BCE_DISABLE	| \
					EBC_BXAP_BCT_2TRANS	| \
					EBC_BXAP_CSN_ENCODE(0)	| \
					EBC_BXAP_OEN_ENCODE(0)	| \
					EBC_BXAP_WBN_ENCODE(0)	| \
					EBC_BXAP_WBF_ENCODE(0)	| \
					EBC_BXAP_TH_ENCODE(0)	| \
					EBC_BXAP_RE_DISABLED	| \
					EBC_BXAP_SOR_DELAYED	| \
					EBC_BXAP_BEM_WRITEONLY	| \
					EBC_BXAP_PEN_DISABLED

#define EBC_BXCR_SMALL_FLASH_CS0	EBC_BXCR_BAS_ENCODE(0xFF000000)	| \
					EBC_BXCR_BS_16MB		| \
					EBC_BXCR_BU_RW			| \
					EBC_BXCR_BW_8BIT

#define EBC_BXCR_SMALL_FLASH_CS2	EBC_BXCR_BAS_ENCODE(0xe7000000)	| \
					EBC_BXCR_BS_16MB		| \
					EBC_BXCR_BU_RW			| \
					EBC_BXCR_BW_8BIT

/*
 * Large Flash and SRAM
 * BU Value
 * BxAP : 0x048ff240  - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000
 * B0CR : 0xff09a000  - BAS = ff0 - 100 11 01 0000000000000
 * B2CR : 0xe709a000  - BAS = e70 - 100 11 01 0000000000000
*/
#define EBC_BXAP_LARGE_FLASH		EBC_BXAP_BME_DISABLED	| \
					EBC_BXAP_TWT_ENCODE(7)	| \
					EBC_BXAP_BCE_DISABLE	| \
					EBC_BXAP_BCT_2TRANS	| \
					EBC_BXAP_CSN_ENCODE(0)	| \
					EBC_BXAP_OEN_ENCODE(0)	| \
					EBC_BXAP_WBN_ENCODE(0)	| \
					EBC_BXAP_WBF_ENCODE(0)	| \
					EBC_BXAP_TH_ENCODE(0)	| \
					EBC_BXAP_RE_DISABLED	| \
					EBC_BXAP_SOR_DELAYED	| \
					EBC_BXAP_BEM_WRITEONLY	| \
					EBC_BXAP_PEN_DISABLED

#define EBC_BXCR_LARGE_FLASH_CS0	EBC_BXCR_BAS_ENCODE(0xFF000000)	| \
					EBC_BXCR_BS_16MB		| \
					EBC_BXCR_BU_RW			| \
					EBC_BXCR_BW_16BIT

#define EBC_BXCR_LARGE_FLASH_CS2	EBC_BXCR_BAS_ENCODE(0xE7000000)	| \
					EBC_BXCR_BS_16MB		| \
					EBC_BXCR_BU_RW			| \
					EBC_BXCR_BW_16BIT

/*
 * FPGA
 * BU value :
 * B1AP = 0x05895240  - 0 00001011 0 00 10 01 01 01 001 0 0 1 0 00000
 * B1CR = 0xe201a000  - BAS = e20 - 000 11 01 00000000000000
 */
#define EBC_BXAP_FPGA			EBC_BXAP_BME_DISABLED	| \
					EBC_BXAP_TWT_ENCODE(11)	| \
					EBC_BXAP_BCE_DISABLE	| \
					EBC_BXAP_BCT_2TRANS	| \
					EBC_BXAP_CSN_ENCODE(10)	| \
					EBC_BXAP_OEN_ENCODE(1)	| \
					EBC_BXAP_WBN_ENCODE(1)	| \
					EBC_BXAP_WBF_ENCODE(1)	| \
					EBC_BXAP_TH_ENCODE(1)	| \
					EBC_BXAP_RE_DISABLED	| \
					EBC_BXAP_SOR_DELAYED	| \
					EBC_BXAP_BEM_RW		| \
					EBC_BXAP_PEN_DISABLED

#define EBC_BXCR_FPGA_CS1		EBC_BXCR_BAS_ENCODE(0xe2000000)	| \
					EBC_BXCR_BS_1MB			| \
					EBC_BXCR_BU_RW			| \
					EBC_BXCR_BW_16BIT

	 unsigned long mfr;
	/*
	 * Define Variables for EBC initialization depending on BOOTSTRAP option
	 */
	unsigned long sdr0_pinstp, sdr0_sdstp1 ;
	unsigned long bootstrap_settings, ebc_data_width, boot_selection;
	int computed_boot_device = BOOT_DEVICE_UNKNOWN;

	/*-------------------------------------------------------------------+
	 | Initialize EBC CONFIG -
	 | Keep the Default value, but the bit PDT which has to be set to 1 ?TBC
	 | default value :
	 |	0x07C00000 - 0 0 000 1 1 1 1 1 0000 0 00000 000000000000
	 |
	 +-------------------------------------------------------------------*/
	mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK |
			EBC_CFG_PTD_ENABLE |
			EBC_CFG_RTC_16PERCLK |
			EBC_CFG_ATC_PREVIOUS |
			EBC_CFG_DTC_PREVIOUS |
			EBC_CFG_CTC_PREVIOUS |
			EBC_CFG_OEO_PREVIOUS |
			EBC_CFG_EMC_DEFAULT |
			EBC_CFG_PME_DISABLE |
			EBC_CFG_PR_16);

	/*-------------------------------------------------------------------+
	 |
	 |  PART 1 : Initialize EBC Bank 1
	 |  ==============================
	 | Bank1 is always associated to the EPLD.
	 | It has to be initialized prior to other banks settings computation
	 | since some board registers values may be needed to determine the
	 | boot type
	 |
	 +-------------------------------------------------------------------*/
	mtebc(PB1AP, EBC_BXAP_FPGA);
	mtebc(PB1CR, EBC_BXCR_FPGA_CS1);

	/*-------------------------------------------------------------------+
	 |
	 |  PART 2 : Determine which boot device was selected
	 |  =================================================
	 |
	 |  Read Pin Strap Register in PPC440SPe
	 |  Result can either be :
	 |   - Boot strap = boot from EBC 8bits     => Small Flash
	 |   - Boot strap = boot from PCI
	 |   - Boot strap = IIC
	 |  In case of boot from IIC, read Serial Device Strap Register1
	 |
	 |  Result can either be :
	 |   - Boot from EBC  - EBC Bus Width = 8bits    => Small Flash
	 |   - Boot from EBC  - EBC Bus Width = 16bits   => Large Flash or SRAM
	 |   - Boot from PCI
	 |
	 +-------------------------------------------------------------------*/
	/* Read Pin Strap Register in PPC440SP */
	mfsdr(SDR0_PINSTP, sdr0_pinstp);
	bootstrap_settings = sdr0_pinstp & SDR0_PINSTP_BOOTSTRAP_MASK;

	switch (bootstrap_settings) {
		case SDR0_PINSTP_BOOTSTRAP_SETTINGS0:
			/*
			 * Strapping Option A
			 * Boot from EBC - 8 bits , Small Flash
			 */
			computed_boot_device = BOOT_FROM_SMALL_FLASH;
			break;
		case SDR0_PINSTP_BOOTSTRAP_SETTINGS1:
			/*
			 * Strappping Option B
			 * Boot from PCI
			 */
			computed_boot_device = BOOT_FROM_PCI;
			break;
		case SDR0_PINSTP_BOOTSTRAP_IIC_50_EN:
		case SDR0_PINSTP_BOOTSTRAP_IIC_54_EN:
			/*
			 * Strapping Option C or D
			 * Boot Settings in IIC EEprom address 0x50 or 0x54
			 * Read Serial Device Strap Register1 in PPC440SPe
			 */
			mfsdr(SDR0_SDSTP1, sdr0_sdstp1);
			boot_selection = sdr0_sdstp1 & SDR0_SDSTP1_ERPN_MASK;
			ebc_data_width = sdr0_sdstp1 & SDR0_SDSTP1_EBCW_MASK;

			switch (boot_selection) {
				case SDR0_SDSTP1_ERPN_EBC:
					switch (ebc_data_width) {
						case SDR0_SDSTP1_EBCW_16_BITS:
							computed_boot_device =
								BOOT_FROM_LARGE_FLASH_OR_SRAM;
							break;
						case SDR0_SDSTP1_EBCW_8_BITS :
							computed_boot_device = BOOT_FROM_SMALL_FLASH;
							break;
					}
					break;

				case SDR0_SDSTP1_ERPN_PCI:
					computed_boot_device = BOOT_FROM_PCI;
					break;
				default:
					/* should not occure */
					computed_boot_device = BOOT_DEVICE_UNKNOWN;
			}
			break;
		default:
			/* should not be */
			computed_boot_device = BOOT_DEVICE_UNKNOWN;
			break;
	}

	/*-------------------------------------------------------------------+
	 |
	 |  PART 3 : Compute EBC settings depending on selected boot device
	 |  ======   ======================================================
	 |
	 | Resulting EBC init will be among following configurations :
	 |
	 |  - Boot from EBC 8bits => boot from Small Flash selected
	 |            EBC-CS0     = Small Flash
	 |            EBC-CS2     = Large Flash and SRAM
	 |
	 |  - Boot from EBC 16bits => boot from Large Flash or SRAM
	 |            EBC-CS0     = Large Flash or SRAM
	 |            EBC-CS2     = Small Flash
	 |
	 |  - Boot from PCI
	 |            EBC-CS0     = not initialized to avoid address contention
	 |            EBC-CS2     = same as boot from Small Flash selected
	 |
	 +-------------------------------------------------------------------*/
	unsigned long ebc0_cs0_bxap_value = 0, ebc0_cs0_bxcr_value = 0;
	unsigned long ebc0_cs2_bxap_value = 0, ebc0_cs2_bxcr_value = 0;

	switch (computed_boot_device) {
		/*-------------------------------------------------------------------*/
		case BOOT_FROM_PCI:
		/*-------------------------------------------------------------------*/
			/*
			 * By Default CS2 is affected to LARGE Flash
			 * do not initialize SMALL FLASH to avoid address contention
			 * Large Flash
			 */
			ebc0_cs2_bxap_value = EBC_BXAP_LARGE_FLASH;
			ebc0_cs2_bxcr_value = EBC_BXCR_LARGE_FLASH_CS2;
			break;

		/*-------------------------------------------------------------------*/
		case BOOT_FROM_SMALL_FLASH:
		/*-------------------------------------------------------------------*/
			ebc0_cs0_bxap_value = EBC_BXAP_SMALL_FLASH;
			ebc0_cs0_bxcr_value = EBC_BXCR_SMALL_FLASH_CS0;

			/*
			 * Large Flash or SRAM
			 */
			/* ebc0_cs2_bxap_value = EBC_BXAP_LARGE_FLASH; */
			ebc0_cs2_bxap_value = 0x048ff240;
			ebc0_cs2_bxcr_value = EBC_BXCR_LARGE_FLASH_CS2;
			break;

		/*-------------------------------------------------------------------*/
		case BOOT_FROM_LARGE_FLASH_OR_SRAM:
		/*-------------------------------------------------------------------*/
			ebc0_cs0_bxap_value = EBC_BXAP_LARGE_FLASH;
			ebc0_cs0_bxcr_value = EBC_BXCR_LARGE_FLASH_CS0;

			/* Small flash */
			ebc0_cs2_bxap_value = EBC_BXAP_SMALL_FLASH;
			ebc0_cs2_bxcr_value = EBC_BXCR_SMALL_FLASH_CS2;
			break;

		/*-------------------------------------------------------------------*/
		default:
		/*-------------------------------------------------------------------*/
			/* BOOT_DEVICE_UNKNOWN */
			break;
	}

	mtebc(PB0AP, ebc0_cs0_bxap_value);
	mtebc(PB0CR, ebc0_cs0_bxcr_value);
	mtebc(PB2AP, ebc0_cs2_bxap_value);
	mtebc(PB2CR, ebc0_cs2_bxcr_value);

	/*--------------------------------------------------------------------+
	 | Interrupt controller setup for the AMCC 440SPe Evaluation board.
	 +--------------------------------------------------------------------+
	+---------------------------------------------------------------------+
	|Interrupt| Source                            | Pol.  | Sensi.| Crit. |
	+---------+-----------------------------------+-------+-------+-------+
	| IRQ 00  | UART0                             | High  | Level | Non   |
	| IRQ 01  | UART1                             | High  | Level | Non   |
	| IRQ 02  | IIC0                              | High  | Level | Non   |
	| IRQ 03  | IIC1                              | High  | Level | Non   |
	| IRQ 04  | PCI0X0 MSG IN                     | High  | Level | Non   |
	| IRQ 05  | PCI0X0 CMD Write                  | High  | Level | Non   |
	| IRQ 06  | PCI0X0 Power Mgt                  | High  | Level | Non   |
	| IRQ 07  | PCI0X0 VPD Access                 | Rising| Edge  | Non   |
	| IRQ 08  | PCI0X0 MSI level 0                | High  | Lvl/ed| Non   |
	| IRQ 09  | External IRQ 15 - (PCI-Express)   | pgm H | Pgm   | Non   |
	| IRQ 10  | UIC2 Non-critical Int.            | NA    | NA    | Non   |
	| IRQ 11  | UIC2 Critical Interrupt           | NA    | NA    | Crit  |
	| IRQ 12  | PCI Express MSI Level 0           | Rising| Edge  | Non   |
	| IRQ 13  | PCI Express MSI Level 1           | Rising| Edge  | Non   |
	| IRQ 14  | PCI Express MSI Level 2           | Rising| Edge  | Non   |
	| IRQ 15  | PCI Express MSI Level 3           | Rising| Edge  | Non   |
	| IRQ 16  | UIC3 Non-critical Int.            | NA    | NA    | Non   |
	| IRQ 17  | UIC3 Critical Interrupt           | NA    | NA    | Crit  |
	| IRQ 18  | External IRQ 14 - (PCI-Express)   | Pgm   | Pgm   | Non   |
	| IRQ 19  | DMA Channel 0 FIFO Full           | High  | Level | Non   |
	| IRQ 20  | DMA Channel 0 Stat FIFO           | High  | Level | Non   |
	| IRQ 21  | DMA Channel 1 FIFO Full           | High  | Level | Non   |
	| IRQ 22  | DMA Channel 1 Stat FIFO           | High  | Level | Non   |
	| IRQ 23  | I2O Inbound Doorbell              | High  | Level | Non   |
	| IRQ 24  | Inbound Post List FIFO Not Empt   | High  | Level | Non   |
	| IRQ 25  | I2O Region 0 LL PLB Write         | High  | Level | Non   |
	| IRQ 26  | I2O Region 1 LL PLB Write         | High  | Level | Non   |
	| IRQ 27  | I2O Region 0 HB PLB Write         | High  | Level | Non   |
	| IRQ 28  | I2O Region 1 HB PLB Write         | High  | Level | Non   |
	| IRQ 29  | GPT Down Count Timer              | Rising| Edge  | Non   |
	| IRQ 30  | UIC1 Non-critical Int.            | NA    | NA    | Non   |
	| IRQ 31  | UIC1 Critical Interrupt           | NA    | NA    | Crit. |
	|----------------------------------------------------------------------
	| IRQ 32  | Ext. IRQ 13 - (PCI-Express)       |pgm (H)|pgm/Lvl| Non   |
	| IRQ 33  | MAL Serr                          | High  | Level | Non   |
	| IRQ 34  | MAL Txde                          | High  | Level | Non   |
	| IRQ 35  | MAL Rxde                          | High  | Level | Non   |
	| IRQ 36  | DMC CE or DMC UE                  | High  | Level | Non   |
	| IRQ 37  | EBC or UART2                      | High  |Lvl Edg| Non   |
	| IRQ 38  | MAL TX EOB                        | High  | Level | Non   |
	| IRQ 39  | MAL RX EOB                        | High  | Level | Non   |
	| IRQ 40  | PCIX0 MSI Level 1                 | High  |Lvl Edg| Non   |
	| IRQ 41  | PCIX0 MSI level 2                 | High  |Lvl Edg| Non   |
	| IRQ 42  | PCIX0 MSI level 3                 | High  |Lvl Edg| Non   |
	| IRQ 43  | L2 Cache                          | Risin | Edge  | Non   |
	| IRQ 44  | GPT Compare Timer 0               | Risin | Edge  | Non   |
	| IRQ 45  | GPT Compare Timer 1               | Risin | Edge  | Non   |
	| IRQ 46  | GPT Compare Timer 2               | Risin | Edge  | Non   |
	| IRQ 47  | GPT Compare Timer 3               | Risin | Edge  | Non   |
	| IRQ 48  | GPT Compare Timer 4               | Risin | Edge  | Non   |
	| IRQ 49  | Ext. IRQ 12 - PCI-X               |pgm/Fal|pgm/Lvl| Non   |
	| IRQ 50  | Ext. IRQ 11 -                     |pgm (H)|pgm/Lvl| Non   |
	| IRQ 51  | Ext. IRQ 10 -                     |pgm (H)|pgm/Lvl| Non   |
	| IRQ 52  | Ext. IRQ 9                        |pgm (H)|pgm/Lvl| Non   |
	| IRQ 53  | Ext. IRQ 8                        |pgm (H)|pgm/Lvl| Non   |
	| IRQ 54  | DMA Error                         | High  | Level | Non   |
	| IRQ 55  | DMA I2O Error                     | High  | Level | Non   |
	| IRQ 56  | Serial ROM                        | High  | Level | Non   |
	| IRQ 57  | PCIX0 Error                       | High  | Edge  | Non   |
	| IRQ 58  | Ext. IRQ 7-                       |pgm (H)|pgm/Lvl| Non   |
	| IRQ 59  | Ext. IRQ 6-                       |pgm (H)|pgm/Lvl| Non   |
	| IRQ 60  | EMAC0 Interrupt                   | High  | Level | Non   |
	| IRQ 61  | EMAC0 Wake-up                     | High  | Level | Non   |
	| IRQ 62  | Reserved                          | High  | Level | Non   |
	| IRQ 63  | XOR                               | High  | Level | Non   |
	|----------------------------------------------------------------------
	| IRQ 64  | PE0 AL                            | High  | Level | Non   |
	| IRQ 65  | PE0 VPD Access                    | Risin | Edge  | Non   |
	| IRQ 66  | PE0 Hot Reset Request             | Risin | Edge  | Non   |
	| IRQ 67  | PE0 Hot Reset Request             | Falli | Edge  | Non   |
	| IRQ 68  | PE0 TCR                           | High  | Level | Non   |
	| IRQ 69  | PE0 BusMaster VCO                 | Falli | Edge  | Non   |
	| IRQ 70  | PE0 DCR Error                     | High  | Level | Non   |
	| IRQ 71  | Reserved                          | N/A   | N/A   | Non   |
	| IRQ 72  | PE1 AL                            | High  | Level | Non   |
	| IRQ 73  | PE1 VPD Access                    | Risin | Edge  | Non   |
	| IRQ 74  | PE1 Hot Reset Request             | Risin | Edge  | Non   |
	| IRQ 75  | PE1 Hot Reset Request             | Falli | Edge  | Non   |
	| IRQ 76  | PE1 TCR                           | High  | Level | Non   |
	| IRQ 77  | PE1 BusMaster VCO                 | Falli | Edge  | Non   |
	| IRQ 78  | PE1 DCR Error                     | High  | Level | Non   |
	| IRQ 79  | Reserved                          | N/A   | N/A   | Non   |
	| IRQ 80  | PE2 AL                            | High  | Level | Non   |
	| IRQ 81  | PE2 VPD Access                    | Risin | Edge  | Non   |
	| IRQ 82  | PE2 Hot Reset Request             | Risin | Edge  | Non   |
	| IRQ 83  | PE2 Hot Reset Request             | Falli | Edge  | Non   |
	| IRQ 84  | PE2 TCR                           | High  | Level | Non   |
	| IRQ 85  | PE2 BusMaster VCO                 | Falli | Edge  | Non   |
	| IRQ 86  | PE2 DCR Error                     | High  | Level | Non   |
	| IRQ 87  | Reserved                          | N/A   | N/A   | Non   |
	| IRQ 88  | External IRQ(5)                   | Progr | Progr | Non   |
	| IRQ 89  | External IRQ 4 - Ethernet         | Progr | Progr | Non   |
	| IRQ 90  | External IRQ 3 - PCI-X            | Progr | Progr | Non   |
	| IRQ 91  | External IRQ 2 - PCI-X            | Progr | Progr | Non   |
	| IRQ 92  | External IRQ 1 - PCI-X            | Progr | Progr | Non   |
	| IRQ 93  | External IRQ 0 - PCI-X            | Progr | Progr | Non   |
	| IRQ 94  | Reserved                          | N/A   | N/A   | Non   |
	| IRQ 95  | Reserved                          | N/A   | N/A   | Non   |
	|---------------------------------------------------------------------
	| IRQ 96  | PE0 INTA                          | High  | Level | Non   |
	| IRQ 97  | PE0 INTB                          | High  | Level | Non   |
	| IRQ 98  | PE0 INTC                          | High  | Level | Non   |
	| IRQ 99  | PE0 INTD                          | High  | Level | Non   |
	| IRQ 100 | PE1 INTA                          | High  | Level | Non   |
	| IRQ 101 | PE1 INTB                          | High  | Level | Non   |
	| IRQ 102 | PE1 INTC                          | High  | Level | Non   |
	| IRQ 103 | PE1 INTD                          | High  | Level | Non   |
	| IRQ 104 | PE2 INTA                          | High  | Level | Non   |
	| IRQ 105 | PE2 INTB                          | High  | Level | Non   |
	| IRQ 106 | PE2 INTC                          | High  | Level | Non   |
	| IRQ 107 | PE2 INTD                          | Risin | Edge  | Non   |
	| IRQ 108 | PCI Express MSI Level 4           | Risin | Edge  | Non   |
	| IRQ 109 | PCI Express MSI Level 5           | Risin | Edge  | Non   |
	| IRQ 110 | PCI Express MSI Level 6           | Risin | Edge  | Non   |
	| IRQ 111 | PCI Express MSI Level 7           | Risin | Edge  | Non   |
	| IRQ 116 | PCI Express MSI Level 12          | Risin | Edge  | Non   |
	| IRQ 112 | PCI Express MSI Level 8           | Risin | Edge  | Non   |
	| IRQ 113 | PCI Express MSI Level 9           | Risin | Edge  | Non   |
	| IRQ 114 | PCI Express MSI Level 10          | Risin | Edge  | Non   |
	| IRQ 115 | PCI Express MSI Level 11          | Risin | Edge  | Non   |
	| IRQ 117 | PCI Express MSI Level 13          | Risin | Edge  | Non   |
	| IRQ 118 | PCI Express MSI Level 14          | Risin | Edge  | Non   |
	| IRQ 119 | PCI Express MSI Level 15          | Risin | Edge  | Non   |
	| IRQ 120 | PCI Express MSI Level 16          | Risin | Edge  | Non   |
	| IRQ 121 | PCI Express MSI Level 17          | Risin | Edge  | Non   |
	| IRQ 122 | PCI Express MSI Level 18          | Risin | Edge  | Non   |
	| IRQ 123 | PCI Express MSI Level 19          | Risin | Edge  | Non   |
	| IRQ 124 | PCI Express MSI Level 20          | Risin | Edge  | Non   |
	| IRQ 125 | PCI Express MSI Level 21          | Risin | Edge  | Non   |
	| IRQ 126 | PCI Express MSI Level 22          | Risin | Edge  | Non   |
	| IRQ 127 | PCI Express MSI Level 23          | Risin | Edge  | Non   |
	+---------+-----------------------------------+-------+-------+------*/
	/*--------------------------------------------------------------------+
	 | Put UICs in PowerPC440SPemode.
	 | Initialise UIC registers.  Clear all interrupts.  Disable all
	 | interrupts.
	 | Set critical interrupt values.  Set interrupt polarities.  Set
	 | interrupt trigger levels.  Make bit 0 High  priority.  Clear all
	 | interrupts again.
	 +-------------------------------------------------------------------*/
	mtdcr (UIC3SR, 0xffffffff);	/* Clear all interrupts */
	mtdcr (UIC3ER, 0x00000000);	/* disable all interrupts */
	mtdcr (UIC3CR, 0x00000000);	/* Set Critical / Non Critical
					 * interrupts */
	mtdcr (UIC3PR, 0xffffffff);	/* Set Interrupt Polarities */
	mtdcr (UIC3TR, 0x001fffff);	/* Set Interrupt Trigger Levels */
	mtdcr (UIC3VR, 0x00000001);	/* Set Vect base=0,INT31 Highest
					 * priority */
	mtdcr (UIC3SR, 0x00000000);	/* clear all  interrupts */
	mtdcr (UIC3SR, 0xffffffff);	/* clear all  interrupts */

	mtdcr (UIC2SR, 0xffffffff);	/* Clear all interrupts */
	mtdcr (UIC2ER, 0x00000000);	/* disable all interrupts */
	mtdcr (UIC2CR, 0x00000000);	/* Set Critical / Non Critical
					 * interrupts */
	mtdcr (UIC2PR, 0xebebebff);	/* Set Interrupt Polarities */
	mtdcr (UIC2TR, 0x74747400);	/* Set Interrupt Trigger Levels */
	mtdcr (UIC2VR, 0x00000001);	/* Set Vect base=0,INT31 Highest
					 * priority */
	mtdcr (UIC2SR, 0x00000000);	/* clear all interrupts */
	mtdcr (UIC2SR, 0xffffffff);	/* clear all interrupts */

	mtdcr (UIC1SR, 0xffffffff);	/* Clear all interrupts */
	mtdcr (UIC1ER, 0x00000000);	/* disable all interrupts */
	mtdcr (UIC1CR, 0x00000000);	/* Set Critical / Non Critical
					 * interrupts */
	mtdcr (UIC1PR, 0xffffffff);	/* Set Interrupt Polarities */
	mtdcr (UIC1TR, 0x001f8040);	/* Set Interrupt Trigger Levels */
	mtdcr (UIC1VR, 0x00000001);	/* Set Vect base=0,INT31 Highest
					 * priority */
	mtdcr (UIC1SR, 0x00000000);	/* clear all interrupts */
	mtdcr (UIC1SR, 0xffffffff);	/* clear all interrupts */

	mtdcr (UIC0SR, 0xffffffff);	/* Clear all interrupts */
	mtdcr (UIC0ER, 0x00000000);	/* disable all interrupts excepted
					 * cascade to be checked */
	mtdcr (UIC0CR, 0x00104001);	/* Set Critical / Non Critical
					 * interrupts */
	mtdcr (UIC0PR, 0xffffffff);	/* Set Interrupt Polarities */
	mtdcr (UIC0TR, 0x010f0004);	/* Set Interrupt Trigger Levels */
	mtdcr (UIC0VR, 0x00000001);	/* Set Vect base=0,INT31 Highest
					 * priority */
	mtdcr (UIC0SR, 0x00000000);	/* clear all interrupts */
	mtdcr (UIC0SR, 0xffffffff);	/* clear all interrupts */

	mfsdr(SDR0_MFR, mfr);
	mfr |= SDR0_MFR_FIXD;		/* Workaround for PCI/DMA */
	mtsdr(SDR0_MFR, mfr);

	fpga_init();

	return 0;
}
コード例 #4
0
int board_early_init_f(void)
{
	unsigned long sdrreg;
	/* TBS:	 Setup the GPIO access for the user LEDs */
	mfsdr(sdr_pfc0, sdrreg);
	mtsdr(sdr_pfc0, (sdrreg & ~0x00000100) | 0x00000E00);
	out32(CFG_GPIO_BASE + 0x018, (USR_LED0 | USR_LED1 | USR_LED2 | USR_LED3));
	LED0_OFF();
	LED1_OFF();
	LED2_OFF();
	LED3_OFF();

	/*--------------------------------------------------------------------
	 * Setup the external bus controller/chip selects
	 *-------------------------------------------------------------------*/

	/* set the bus controller */
	mtebc (pb0ap, 0x04055200);	/* FLASH/SRAM */
	mtebc (pb0cr, 0xfff18000);	/* BAS=0xfff 1MB R/W 8-bit */
	mtebc (pb1ap, 0x04055200);	/* FLASH/SRAM */
	mtebc (pb1cr, 0xfe098000);	/* BAS=0xff8 16MB R/W 8-bit */

	/*--------------------------------------------------------------------
	 * Setup the interrupt controller polarities, triggers, etc.
	 *-------------------------------------------------------------------*/
	mtdcr (uic0sr, 0xffffffff);	/* clear all */
	mtdcr (uic0er, 0x00000000);	/* disable all */
	mtdcr (uic0cr, 0x00000003);	/* SMI & UIC1 crit are critical */
	mtdcr (uic0pr, 0xfffffe00);	/* per ref-board manual */
	mtdcr (uic0tr, 0x01c00000);	/* per ref-board manual */
	mtdcr (uic0vr, 0x00000001);	/* 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, 0xffffc0ff);	/* per ref-board manual */
	mtdcr (uic1tr, 0x00ff8000);	/* per ref-board manual */
	mtdcr (uic1vr, 0x00000001);	/* 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, 0x00ff8c0f);	/* per ref-board manual */
	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (uic2sr, 0xffffffff);	/* clear all */

	mtdcr (uicb0sr, 0xfc000000); /* clear all */
	mtdcr (uicb0er, 0x00000000); /* disable all */
	mtdcr (uicb0cr, 0x00000000); /* all non-critical */
	mtdcr (uicb0pr, 0xfc000000); /* */
	mtdcr (uicb0tr, 0x00000000); /* */
	mtdcr (uicb0vr, 0x00000001); /* */

	LED0_ON();


	return 0;
}
コード例 #5
0
int board_early_init_f (void)
{
	unsigned long reg;
	volatile unsigned int *GpioOdr;
	volatile unsigned int *GpioTcr;
	volatile unsigned int *GpioOr;

	/*-------------------------------------------------------------------------+
	  | Initialize EBC CONFIG
	  +-------------------------------------------------------------------------*/
	mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
	      EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
	      EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
	      EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_DEFAULT |
	      EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);

	/*-------------------------------------------------------------------------+
	  | 64MB FLASH. Initialize bank 0 with default values.
	  +-------------------------------------------------------------------------*/
	mtebc(pb0ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(15) |
	      EBC_BXAP_BCE_DISABLE |
	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
	      EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
	      EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
	      EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);
	mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(CFG_FLASH_BASE) |
	      EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_32BIT);

	/*-------------------------------------------------------------------------+
	  | FPGA. Initialize bank 1 with default values.
	  +-------------------------------------------------------------------------*/
	mtebc(pb1ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(5) |
	      EBC_BXAP_BCE_DISABLE |
	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
	      EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
	      EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
	      EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);
	mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x41000000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);

	/*-------------------------------------------------------------------------+
	  | LCM. Initialize bank 2 with default values.
	  +-------------------------------------------------------------------------*/
	mtebc(pb2ap, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(64) |
	      EBC_BXAP_BCE_DISABLE |
	      EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
	      EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
	      EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
	      EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);
	mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(0x42000000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);

	/*-------------------------------------------------------------------------+
	  | TMP. Initialize bank 3 with default values.
	  +-------------------------------------------------------------------------*/
	mtebc(pb3ap, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(128) |
	      EBC_BXAP_BCE_DISABLE |
	      EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
	      EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
	      EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
	      EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);
	mtebc(pb3cr, EBC_BXCR_BAS_ENCODE(0x48000000) |
	      EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);

	/*-------------------------------------------------------------------------+
	  | Connector 4~7. Initialize bank 3~ 7 with default values.
	  +-------------------------------------------------------------------------*/
	mtebc(pb4ap,0);
	mtebc(pb4cr,0);
	mtebc(pb5ap,0);
	mtebc(pb5cr,0);
	mtebc(pb6ap,0);
	mtebc(pb6cr,0);
	mtebc(pb7ap,0);
	mtebc(pb7cr,0);

	/*--------------------------------------------------------------------
	 * Setup the interrupt controller polarities, triggers, etc.
	 *-------------------------------------------------------------------*/
	/*
	 * Because of the interrupt handling rework to handle 440GX interrupts
	 * with the common code, we needed to change names of the UIC registers.
	 * Here the new relationship:
	 *
	 * U-Boot name	440GX name
	 * -----------------------
	 * UIC0		UICB0
	 * UIC1		UIC0
	 * UIC2		UIC1
	 * UIC3		UIC2
	 */
	mtdcr (uic1sr, 0xffffffff);	/* clear all */
	mtdcr (uic1er, 0x00000000);	/* disable all */
	mtdcr (uic1cr, 0x00000009);	/* SMI & UIC1 crit are critical */
	mtdcr (uic1pr, 0xfffffe13);	/* per ref-board manual */
	mtdcr (uic1tr, 0x01c00008);	/* per ref-board manual */
	mtdcr (uic1vr, 0x00000001);	/* 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, 0xffffe0ff);	/* per ref-board manual */
	mtdcr (uic2tr, 0x00ffc000);	/* per ref-board manual */
	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (uic2sr, 0xffffffff);	/* clear all */

	mtdcr (uic3sr, 0xffffffff);	/* clear all */
	mtdcr (uic3er, 0x00000000);	/* disable all */
	mtdcr (uic3cr, 0x00000000);	/* all non-critical */
	mtdcr (uic3pr, 0xffffffff);	/* per ref-board manual */
	mtdcr (uic3tr, 0x00ff8c0f);	/* per ref-board manual */
	mtdcr (uic3vr, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (uic3sr, 0xffffffff);	/* clear all */

	mtdcr (uic0sr, 0xfc000000);	/* clear all */
	mtdcr (uic0er, 0x00000000);	/* disable all */
	mtdcr (uic0cr, 0x00000000);	/* all non-critical */
	mtdcr (uic0pr, 0xfc000000);	/* */
	mtdcr (uic0tr, 0x00000000);	/* */
	mtdcr (uic0vr, 0x00000001);	/* */

	/* Enable two GPIO 10~11 and TraceA signal */
	mfsdr(sdr_pfc0,reg);
	reg |= 0x00300000;
	mtsdr(sdr_pfc0,reg);

	mfsdr(sdr_pfc1,reg);
	reg |= 0x00100000;
	mtsdr(sdr_pfc1,reg);

	/* Set GPIO 10 and 11 as output */
	GpioOdr	= (volatile unsigned int*)(CFG_PERIPHERAL_BASE+0x718);
	GpioTcr = (volatile unsigned int*)(CFG_PERIPHERAL_BASE+0x704);
	GpioOr  = (volatile unsigned int*)(CFG_PERIPHERAL_BASE+0x700);

	*GpioOdr &= ~(0x00300000);
	*GpioTcr |= 0x00300000;
	*GpioOr  |= 0x00300000;

	return 0;
}
コード例 #6
0
int board_early_init_f (void)
{
	/*-------------------------------------------------------------------------
	 * Initialize EBC CONFIG
	 *-------------------------------------------------------------------------*/
	mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
	      EBC_CFG_PTD_DISABLE | EBC_CFG_RTC_64PERCLK |
	      EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
	      EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
	      EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);

	/*--------------------------------------------------------------------
	 * Setup the interrupt controller polarities, triggers, etc.
	 *-------------------------------------------------------------------*/
	/*
	 * Because of the interrupt handling rework to handle 440GX interrupts
	 * with the common code, we needed to change names of the UIC registers.
	 * Here the new relationship:
	 *
	 * U-Boot name	440GX name
	 * -----------------------
	 * UIC0		UICB0
	 * UIC1		UIC0
	 * UIC2		UIC1
	 * UIC3		UIC2
	 */
	mtdcr (uic1sr, 0xffffffff);	/* clear all */
	mtdcr (uic1er, 0x00000000);	/* disable all */
	mtdcr (uic1cr, 0x00000009);	/* SMI & UIC1 crit are critical */
	mtdcr (uic1pr, 0xfffffe03);	/* per manual */
	mtdcr (uic1tr, 0x01c00000);	/* per manual */
	mtdcr (uic1vr, 0x00000001);	/* 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, 0xffffe0ff);	/* per ref-board manual */
	mtdcr (uic2tr, 0x00ffc000);	/* per ref-board manual */
	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (uic2sr, 0xffffffff);	/* clear all */

	mtdcr (uic3sr, 0xffffffff);	/* clear all */
	mtdcr (uic3er, 0x00000000);	/* disable all */
	mtdcr (uic3cr, 0x00000000);	/* all non-critical */
	mtdcr (uic3pr, 0xffffffff);	/* per ref-board manual */
	mtdcr (uic3tr, 0x00ff8c0f);	/* per ref-board manual */
	mtdcr (uic3vr, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (uic3sr, 0xffffffff);	/* clear all */

	mtdcr (uic0sr, 0xfc000000); /* clear all */
	mtdcr (uic0er, 0x00000000); /* disable all */
	mtdcr (uic0cr, 0x00000000); /* all non-critical */
	mtdcr (uic0pr, 0xfc000000); /* */
	mtdcr (uic0tr, 0x00000000); /* */
	mtdcr (uic0vr, 0x00000001); /* */

	/* Setup shutdown/SSD empty interrupt as inputs */
	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_SHUTDOWN | CFG_GPIO_SSD_EMPTY));
	out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_SHUTDOWN | CFG_GPIO_SSD_EMPTY));

	/* Setup GPIO/IRQ multiplexing */
	mtsdr(sdr_pfc0, 0x01a33e00);

	return 0;
}