Add PCI support for Sorcery board.

Code cleanup (especially Sorcery / Alaska / Yukon serial driver).

3 files changed, 252 insertions, 57 deletions

diff --git a/include/configs/Alaska8220.h b/include/configs/Alaska8220.h
index 49c7820..dc01f0c 100644
--- a/include/configs/Alaska8220.h
+++ b/include/configs/Alaska8220.h
@@ -48,38 +48,45 @@
 /*
  * Serial console configuration
  */
-#define CONFIG_PSC_CONSOLE	1	/* console is on PSC */
+
+/* Define this for PSC console
+#define CONFIG_PSC_CONSOLE	1
+*/
+
 #define CONFIG_EXTUART_CONSOLE	1
 
 #ifdef CONFIG_EXTUART_CONSOLE
+#   define CONFIG_CONS_INDEX	1
+#   define CFG_NS16550_SERIAL
 #   define CFG_NS16550
 #   define CFG_NS16550_REG_SIZE 1
 #   define CFG_NS16550_COM1	(CFG_CPLD_BASE + 0x1008)
+#   define CFG_NS16550_CLK	18432000
 #endif
 
 #define CONFIG_BAUDRATE		115200	    /* ... at 115200 bps */
 
 #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
-#define	CONFIG_TIMESTAMP			/* Print image info with timestamp */
+#define CONFIG_TIMESTAMP			/* Print image info with timestamp */
 
 /*
  * Supported commands
  */
-#define CONFIG_COMMANDS	      ( CONFIG_CMD_DFL  | \
-				CFG_CMD_BOOTD   | \
-				CFG_CMD_CACHE   | \
+#define CONFIG_COMMANDS	      ( CONFIG_CMD_DFL	| \
+				CFG_CMD_BOOTD	| \
+				CFG_CMD_CACHE	| \
 				CFG_CMD_DHCP	| \
-				CFG_CMD_DIAG    | \
-				CFG_CMD_EEPROM  | \
-				CFG_CMD_ELF     | \
-				CFG_CMD_I2C     | \
-				CFG_CMD_NET     | \
+				CFG_CMD_DIAG	| \
+				CFG_CMD_EEPROM	| \
+				CFG_CMD_ELF	| \
+				CFG_CMD_I2C	| \
+				CFG_CMD_NET	| \
 				CFG_CMD_NFS	| \
-				CFG_CMD_PING    | \
 				CFG_CMD_PCI	| \
+				CFG_CMD_PING	| \
 				CFG_CMD_REGINFO | \
-				CFG_CMD_SDRAM   | \
+				CFG_CMD_SDRAM	| \
 				CFG_CMD_SNTP	)
 
 #define CONFIG_NET_MULTI
@@ -260,10 +267,17 @@
 #define CFG_BOOTMAPSZ		(8 << 20)   /* Initial Memory map for Linux */
 
 /* SDRAM configuration */
-#define CFG_SDRAM_TOTAL_BANKS           2
-#define CFG_SDRAM_SPD_I2C_ADDR          0x51            /* 7bit */
-#define CFG_SDRAM_SPD_SIZE              0x40
-#define CFG_SDRAM_CAS_LATENCY           4               /* (CL=2)x2 */
+#define CFG_SDRAM_TOTAL_BANKS		2
+#define CFG_SDRAM_SPD_I2C_ADDR		0x51		/* 7bit */
+#define CFG_SDRAM_SPD_SIZE		0x40
+#define CFG_SDRAM_CAS_LATENCY		4		/* (CL=2)x2 */
+
+/* SDRAM drive strength register */
+#define CFG_SDRAM_DRIVE_STRENGTH	((DRIVE_STRENGTH_LOW  << SDRAMDS_SBE_SHIFT) | \
+					 (DRIVE_STRENGTH_HIGH << SDRAMDS_SBC_SHIFT) | \
+					 (DRIVE_STRENGTH_LOW  << SDRAMDS_SBA_SHIFT) | \
+					 (DRIVE_STRENGTH_OFF  << SDRAMDS_SBS_SHIFT) | \
+					 (DRIVE_STRENGTH_LOW  << SDRAMDS_SBD_SHIFT))
 
 /*
  * Ethernet configuration
diff --git a/include/configs/sorcery.h b/include/configs/sorcery.h
index dcb4092..3d907f8 100644
--- a/include/configs/sorcery.h
+++ b/include/configs/sorcery.h
@@ -53,6 +53,22 @@
 #define CONFIG_BAUDRATE		115200	    /* ... at 115200 bps */
 #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
+/* PCI */
+#define CONFIG_PCI              1
+#define CONFIG_PCI_PNP          1
+
+#define CONFIG_PCI_MEM_BUS      0x80000000
+#define CONFIG_PCI_MEM_PHYS     CONFIG_PCI_MEM_BUS
+#define CONFIG_PCI_MEM_SIZE     0x10000000
+
+#define CONFIG_PCI_IO_BUS	0x71000000
+#define CONFIG_PCI_IO_PHYS	CONFIG_PCI_IO_BUS
+#define CONFIG_PCI_IO_SIZE	0x01000000
+
+#define CONFIG_PCI_CFG_BUS	0x70000000
+#define CONFIG_PCI_CFG_PHYS	CONFIG_PCI_CFG_BUS
+#define CONFIG_PCI_CFG_SIZE	0x01000000
+
 /*
  * Supported commands
  */
@@ -65,6 +81,7 @@
 				CFG_CMD_I2C	| \
 				CFG_CMD_NET	| \
 				CFG_CMD_NFS	| \
+				CFG_CMD_PCI	| \
 				CFG_CMD_PING	| \
 				CFG_CMD_REGINFO	| \
 				CFG_CMD_SDRAM	| \
@@ -72,7 +89,6 @@
 				0)
 
 /*			CFG_CMD_MII	| \ */
-/*			       CFG_CMD_PCI	| \ */
 /*			       CFG_CMD_USB	| \ */
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
@@ -113,6 +129,7 @@
 #define CONFIG_TIMESTAMP		/* Print image info with timestamp */
 
 #define CONFIG_NET_MULTI
+#define CONFIG_EEPRO100
 
 /*
  * I2C configuration
@@ -138,49 +155,38 @@
 /* Flash */
 #define CFG_CS0_BASE		0xf800
 #define CFG_CS0_MASK		0x08000000 /* 128 MB (two chips) */
-
-/* Workaround of hang-up after setting ctrl register for flash
-   After reset this register has value 0x003ffd80, which differs
-   from suggested only by the number of wait states.
-#define CFG_CS0_CTRL		0x003f1580
-*/
+#define CFG_CS0_CTRL		0x001019c0
 
 /* NVM */
-#define CFG_CS1_BASE		0xf100
-#define CFG_CS1_MASK		0x00080000  /* 512K */
-#define CFG_CS1_CTRL		0x003ffd40  /* 8bit port size? */
+#define CFG_CS1_BASE		0xf7e8
+#define CFG_CS1_MASK		0x00040000 /* 256K */
+#define CFG_CS1_CTRL		0x00101940 /* 8bit port size */
 
 /* Atlas2 + Gemini */
-/* This CS# is mandatory? */
-#define CFG_CS2_BASE		0xf10A
-#define CFG_CS2_MASK		0x00020000 /* 2x64K*/
-#define CFG_CS2_CTRL		0x003ffd00 /* 32bit port size? */
+#define CFG_CS2_BASE		0xf7e7
+#define CFG_CS2_MASK		0x00010000 /* 64K*/
+#define CFG_CS2_CTRL		0x001011c0 /* 16bit port size */
 
 /* CAN Controller */
-/* This CS# is mandatory? */
-#define CFG_CS3_BASE		0xf10C
+#define CFG_CS3_BASE		0xf7e6
 #define CFG_CS3_MASK		0x00010000 /* 64K */
-#define CFG_CS3_CTRL		0x003ffd40 /* 8Bit port size */
+#define CFG_CS3_CTRL		0x00102140 /* 8Bit port size */
 
 /* Foreign interface */
-#define CFG_CS4_BASE		0xF10D
+#define CFG_CS4_BASE		0xf7e5
 #define CFG_CS4_MASK		0x00010000 /* 64K */
-#define CFG_CS4_CTRL		0x003ffd80 /* 16bit port size */
+#define CFG_CS4_CTRL		0x00101dc0 /* 16bit port size */
 
-/* CPLD? */
-/* This CS# is mandatory? */
-#define CFG_CS5_BASE		0xF108
-#define CFG_CS5_MASK		0x00010000
-#define CFG_CS5_CTRL		0x003ffd80 /* 16bit port size */
+/* CPLD */
+#define CFG_CS5_BASE		0xf7e4
+#define CFG_CS5_MASK		0x00010000 /* 64K */
+#define CFG_CS5_CTRL		0x001000c0 /* 16bit port size */
 
 #define CFG_FLASH0_BASE		(CFG_CS0_BASE << 16)
-#define CFG_FLASH_BASE		CFG_FLASH0_BASE
+#define CFG_FLASH_BASE		(CFG_FLASH0_BASE)
 
-#define CFG_MAX_FLASH_BANKS	2	/* max num of memory banks (actually 4? (at least 2)) */
-#define CFG_MAX_FLASH_SECT	512	/* max num of sects on one chip (actually 256) */
-
-
-#define PHYS_AMD_SECT_SIZE	0x00020000 /* 128 KB sectors (x2) */
+#define CFG_MAX_FLASH_BANKS	2	/* max num of flash banks */
+#define CFG_MAX_FLASH_SECT	512	/* max num of sects on one chip */
 
 #define CFG_FLASH_CFI_DRIVER
 #define CFG_FLASH_CFI
@@ -191,9 +197,11 @@
  * Environment settings
  */
 #define CFG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_ADDR		(CFG_FLASH0_BASE)
-#define CFG_ENV_SIZE		PHYS_AMD_SECT_SIZE
-#define CFG_ENV_SECT_SIZE	PHYS_AMD_SECT_SIZE
+#define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x8000000 - 0x40000)
+#define CFG_ENV_SIZE		0x4000                       /* 16K */
+#define CFG_ENV_SECT_SIZE	0x20000
+#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR + 0x20000)
+#define CFG_ENV_SIZE_REDUND	CFG_ENV_SIZE
 
 #define CONFIG_ENV_OVERWRITE	1
 
@@ -240,6 +248,13 @@
 #define CFG_SDRAM_SPD_SIZE		0x100
 #define CFG_SDRAM_CAS_LATENCY		5 		/* (CL=2.5)x2 */
 
+/* SDRAM drive strength register (for SSTL_2 class II)*/
+#define CFG_SDRAM_DRIVE_STRENGTH 	((DRIVE_STRENGTH_HIGH << SDRAMDS_SBE_SHIFT) | \
+					 (DRIVE_STRENGTH_HIGH << SDRAMDS_SBC_SHIFT) | \
+					 (DRIVE_STRENGTH_HIGH << SDRAMDS_SBA_SHIFT) | \
+					 (DRIVE_STRENGTH_HIGH << SDRAMDS_SBS_SHIFT) | \
+					 (DRIVE_STRENGTH_HIGH << SDRAMDS_SBD_SHIFT))
+
 /*
  * Ethernet configuration
  */
@@ -274,4 +289,9 @@
 #define CFG_HID0_INIT		0
 #define CFG_HID0_FINAL		0
 
+/*
+#define CFG_HID0_INIT           HID0_ICE | HID0_ICFI
+#define CFG_HID0_FINAL          HID0_ICE
+*/
+
 #endif /* __CONFIG_H */
diff --git a/include/mpc8220.h b/include/mpc8220.h
index d8d8bd3..ff7acc6 100644
--- a/include/mpc8220.h
+++ b/include/mpc8220.h
@@ -259,10 +259,12 @@
 #define PSC_TFLWFPTR(x)		(x&0x1ff)     /* last write frame pointer */
 
 /* PCI configuration (only for PLL determination)*/
-#define PCI_REG_PCIGSCR 	(MMAP_XCPCI + 0x60) /* Global status/control register */
+#define PCI_REG_PCIGSCR		(MMAP_XCPCI + 0x60) /* Global status/control register */
 #define PCI_REG_PCIGSCR_PCI2XLB_CLK_MASK	0x07000000
 #define PCI_REG_PCIGSCR_PCI2XLB_CLK_BIT		24
 
+#define PCI_REG_PCICAR		(MMAP_XCPCI + 0xF8) /* Configuration Address Register */
+
 /* ------------------------------------------------------------------------ */
 /*
  * Macro for General Purpose Timer
@@ -300,18 +302,21 @@
  */
 #define CFG_FEC1_PORT0_CONFIG	0x00000000
 #define CFG_FEC1_PORT1_CONFIG	0x00000000
-#define CFG_1284_PORT0_CONFIG	0x55555557
-#define CFG_1284_PORT1_CONFIG	0x80000000
+#define CFG_1284_PORT0_CONFIG  0x00000000
+#define CFG_1284_PORT1_CONFIG  0x00000000
 #define CFG_FEC2_PORT2_CONFIG	0x00000000
-#define CFG_PEV_PORT2_CONFIG	0x55555540
-#define CFG_GP0_PORT0_CONFIG	0xaaaaaaa0
-#define CFG_GP1_PORT2_CONFIG	0xaaaaa000
-#define CFG_PSC_PORT3_CONFIG	0x00000000
+#define CFG_PEV_PORT2_CONFIG   0x00000000
+#define CFG_GP0_PORT0_CONFIG   0x00000000
+#define CFG_GP1_PORT2_CONFIG   0xaaaaaac0
+#define CFG_PSC_PORT3_CONFIG   0x00020000
+#define CFG_CS1_PORT3_CONFIG   0x00000000
 #define CFG_CS2_PORT3_CONFIG	0x10000000
 #define CFG_CS3_PORT3_CONFIG	0x40000000
 #define CFG_CS4_PORT3_CONFIG	0x00000400
 #define CFG_CS5_PORT3_CONFIG	0x00000200
-#define CFG_I2C_PORT3_CONFIG	0x003c0000
+#define CFG_PCI_PORT3_CONFIG   0x01400180
+#define CFG_I2C_PORT3_CONFIG   0x00000000
+#define CFG_GP2_PORT3_CONFIG   0x000200a0
 
 /* ------------------------------------------------------------------------ */
 /*
@@ -527,6 +532,162 @@ struct mpc8220_dma {
     u32 EU37;		/* DMA + 0xfc */
 };
 
+/*
+ * PCI Header Registers
+ */
+typedef struct mpc8220_xcpci {
+	u32	dev_ven_id;		/* 0xb00 - device/vendor ID */
+	u32	stat_cmd_reg;		/* 0xb04 - status command register */
+	u32	class_code_rev_id;	/* 0xb08 - class code / revision ID */
+	u32	bist_htyp_lat_cshl;	/* 0xb0c - BIST/HeaderType/Latency/cache line */
+	u32	base0;			/* 0xb10 - base address 0 */
+	u32	base1;			/* 0xb14 - base address 1 */
+	u32	reserved1[4];		/* 0xb18->0xd27 - base address 2 - 5 */
+	u32	cis;			/* 0xb28 - cardBus CIS pointer */
+	u32	sub_sys_ven_id;		/* 0xb2c - sub system ID/ subsystem vendor ID */
+	u32	reserved2;		/* 0xb30 - expansion ROM base address */
+	u32	reserved3;		/* 0xb00 - reserved */
+	u32	reserved4;		/* 0xb00 - reserved */
+	u32	mlat_mgnt_ipl;		/* 0xb3c - MaxLat/MinGnt/ int pin/int line */
+	u32	reserved5[8];
+	/* MPC8220 specific - not accessible in PCI header space externally */
+	u32	glb_stat_ctl;		/* 0xb60 - Global Status Control */
+	u32	target_bar0;		/* 0xb64 - Target Base Address 0 */
+	u32	target_bar1;		/* 0xb68 - Target Base Address 1 */
+	u32	target_ctrl;		/* 0xb6c - Target Control */
+	u32	init_win0;		/* 0xb70 - Initiator Window 0 Base/Translation */
+	u32	init_win1;		/* 0xb74 - Initiator Window 1 Base/Translation */
+	u32	init_win2;		/* 0xb78 - Initiator Window 2 Base/Translation */
+	u32	reserved6;		/* 0xb7c - reserved  */
+	u32	init_win_cfg;		/* 0xb80 */
+	u32	init_ctrl;		/* 0xb84 */
+	u32	init_stat;		/* 0xb88 */
+	u32	reserved7[27];
+	u32	cfg_adr;		/* 0xbf8 */
+	u32	reserved8;
+} mpc8220_xcpci_t;
+
+/* PCI->XLB space translation (MPC8220 target), reg0 can address max 256MB,
+   reg1 - 1GB */
+#define PCI_BASE_ADDR_REG0			0x40000000
+#define PCI_BASE_ADDR_REG1			(CFG_SDRAM_BASE)
+#define PCI_TARGET_BASE_ADDR_REG0		(CFG_MBAR)
+#define PCI_TARGET_BASE_ADDR_REG1		(CFG_SDRAM_BASE)
+#define PCI_TARGET_BASE_ADDR_EN			1<<0
+
+
+/* PCI Global Status/Control Register (PCIGSCR) */
+#define PCI_GLB_STAT_CTRL_PE_SHIFT		29
+#define PCI_GLB_STAT_CTRL_SE_SHIFT		28
+#define PCI_GLB_STAT_CTRL_XLB_TO_PCI_CLK_SHIFT	24
+#define PCI_GLB_STAT_CTRL_XLB_TO_PCI_CLK_MASK	0x7
+#define PCI_GLB_STAT_CTRL_IPG_TO_PCI_CLK_SHIFT	16
+#define PCI_GLB_STAT_CTRL_IPG_TO_PCI_CLK_MASK	0x7
+#define PCI_GLB_STAT_CTRL_PEE_SHIFT		13
+#define PCI_GLB_STAT_CTRL_SEE_SHIFT		12
+#define PCI_GLB_STAT_CTRL_PR_SHIFT		0
+
+#define PCI_GLB_STAT_CTRL_PE			(1<<PCI_GLB_STAT_CTRL_PE_SHIFT)
+#define PCI_GLB_STAT_CTRL_SE			(1<<PCI_GLB_STAT_CTRL_SE_SHIFT)
+#define PCI_GLB_STAT_CTRL_PEE			(1<<PCI_GLB_STAT_CTRL_PEE_SHIFT)
+#define PCI_GLB_STAT_CTRL_SEE			(1<<PCI_GLB_STAT_CTRL_SEE_SHIFT)
+#define PCI_GLB_STAT_CTRL_PR			(1<<PCI_GLB_STAT_CTRL_PR_SHIFT)
+
+/* PCI Target Control Register (PCITCR) */
+#define PCI_TARGET_CTRL_LD_SHIFT		24
+#define PCI_TARGET_CTRL_P_SHIFT			16
+
+#define PCI_TARGET_CTRL_LD			(1<<PCI_TARGET_CTRL_LD_SHIFT)
+#define PCI_TARGET_CTRL_P			(1<<PCI_TARGET_CTRL_P_SHIFT)
+
+/* PCI Initiator Window Configuration Register (PCIIWCR) */
+#define PCI_INIT_WIN_CFG_WIN0_CTRL_IO_SHIFT	27
+#define PCI_INIT_WIN_CFG_WIN0_CTRL_PRC_SHIFT	25
+#define PCI_INIT_WIN_CFG_WIN0_CTRL_PRC_MASK	0x3
+#define PCI_INIT_WIN_CFG_WIN0_CTRL_EN_SHIFT	24
+#define PCI_INIT_WIN_CFG_WIN1_CTRL_IO_SHIFT	19
+#define PCI_INIT_WIN_CFG_WIN1_CTRL_PRC_SHIFT	17
+#define PCI_INIT_WIN_CFG_WIN1_CTRL_PRC_MASK	0x3
+#define PCI_INIT_WIN_CFG_WIN1_CTRL_EN_SHIFT	16
+#define PCI_INIT_WIN_CFG_WIN2_CTRL_IO_SHIFT	11
+#define PCI_INIT_WIN_CFG_WIN2_CTRL_PRC_SHIFT	9
+#define PCI_INIT_WIN_CFG_WIN2_CTRL_PRC_MASK	0x3
+#define PCI_INIT_WIN_CFG_WIN2_CTRL_EN_SHIFT	8
+
+#define PCI_INIT_WIN_CFG_WIN_MEM_READ		0x0
+#define PCI_INIT_WIN_CFG_WIN_MEM_READ_LINE	0x1
+#define PCI_INIT_WIN_CFG_WIN_MEM_READ_MULTIPLE	0x2
+
+#define PCI_INIT_WIN_CFG_WIN0_CTRL_IO		(1<<PCI_INIT_WIN_CFG_WIN0_CTRL_IO_SHIFT)
+#define PCI_INIT_WIN_CFG_WIN0_CTRL_EN		(1<<PCI_INIT_WIN_CFG_WIN0_CTRL_EN_SHIFT)
+#define PCI_INIT_WIN_CFG_WIN1_CTRL_IO		(1<<PCI_INIT_WIN_CFG_WIN1_CTRL_IO_SHIFT)
+#define PCI_INIT_WIN_CFG_WIN1_CTRL_EN		(1<<PCI_INIT_WIN_CFG_WIN1_CTRL_EN_SHIFT)
+#define PCI_INIT_WIN_CFG_WIN2_CTRL_IO		(1<<PCI_INIT_WIN_CFG_WIN2_CTRL_IO_SHIFT)
+#define PCI_INIT_WIN_CFG_WIN2_CTRL_EN		(1<<PCI_INIT_WIN_CFG_WIN2_CTRL_EN_SHIFT)
+
+/* PCI Initiator Control Register (PCIICR) */
+#define PCI_INIT_CTRL_REE_SHIFT			26
+#define PCI_INIT_CTRL_IAE_SHIFT			25
+#define PCI_INIT_CTRL_TAE_SHIFT			24
+#define PCI_INIT_CTRL_MAX_RETRIES_SHIFT		0
+#define PCI_INIT_CTRL_MAX_RETRIES_MASK		0xff
+
+#define PCI_INIT_CTRL_REE			(1<<PCI_INIT_CTRL_REE_SHIFT)
+#define PCI_INIT_CTRL_IAE			(1<<PCI_INIT_CTRL_IAE_SHIFT)
+#define PCI_INIT_CTRL_TAE			(1<<PCI_INIT_CTRL_TAE_SHIFT)
+
+/* PCI Status/Command Register (PCISCR) - PCI Dword 1 */
+#define PCI_STAT_CMD_PE_SHIFT			31
+#define PCI_STAT_CMD_SE_SHIFT			30
+#define PCI_STAT_CMD_MA_SHIFT			29
+#define PCI_STAT_CMD_TR_SHIFT			28
+#define PCI_STAT_CMD_TS_SHIFT			27
+#define PCI_STAT_CMD_DT_SHIFT			25
+#define PCI_STAT_CMD_DT_MASK			0x3
+#define PCI_STAT_CMD_DP_SHIFT			24
+#define PCI_STAT_CMD_FC_SHIFT			23
+#define PCI_STAT_CMD_R_SHIFT			22
+#define PCI_STAT_CMD_66M_SHIFT			21
+#define PCI_STAT_CMD_C_SHIFT			20
+#define PCI_STAT_CMD_F_SHIFT			9
+#define PCI_STAT_CMD_S_SHIFT			8
+#define PCI_STAT_CMD_ST_SHIFT			7
+#define PCI_STAT_CMD_PER_SHIFT			6
+#define PCI_STAT_CMD_V_SHIFT			5
+#define PCI_STAT_CMD_MW_SHIFT			4
+#define PCI_STAT_CMD_SP_SHIFT			3
+#define PCI_STAT_CMD_B_SHIFT			2
+#define PCI_STAT_CMD_M_SHIFT			1
+#define PCI_STAT_CMD_IO_SHIFT			0
+
+#define PCI_STAT_CMD_PE			(1<<PCI_STAT_CMD_PE_SHIFT)
+#define PCI_STAT_CMD_SE			(1<<PCI_STAT_CMD_SE_SHIFT)
+#define PCI_STAT_CMD_MA			(1<<PCI_STAT_CMD_MA_SHIFT)
+#define PCI_STAT_CMD_TR			(1<<PCI_STAT_CMD_TR_SHIFT)
+#define PCI_STAT_CMD_TS			(1<<PCI_STAT_CMD_TS_SHIFT)
+#define PCI_STAT_CMD_DP			(1<<PCI_STAT_CMD_DP_SHIFT)
+#define PCI_STAT_CMD_FC			(1<<PCI_STAT_CMD_FC_SHIFT)
+#define PCI_STAT_CMD_R				(1<<PCI_STAT_CMD_R_SHIFT)
+#define PCI_STAT_CMD_66M			(1<<PCI_STAT_CMD_66M_SHIFT)
+#define PCI_STAT_CMD_C				(1<<PCI_STAT_CMD_C_SHIFT)
+#define PCI_STAT_CMD_F				(1<<PCI_STAT_CMD_F_SHIFT)
+#define PCI_STAT_CMD_S				(1<<PCI_STAT_CMD_S_SHIFT)
+#define PCI_STAT_CMD_ST			(1<<PCI_STAT_CMD_ST_SHIFT)
+#define PCI_STAT_CMD_PER			(1<<PCI_STAT_CMD_PER_SHIFT)
+#define PCI_STAT_CMD_V				(1<<PCI_STAT_CMD_V_SHIFT)
+#define PCI_STAT_CMD_MW			(1<<PCI_STAT_CMD_MW_SHIFT)
+#define PCI_STAT_CMD_SP			(1<<PCI_STAT_CMD_SP_SHIFT)
+#define PCI_STAT_CMD_B				(1<<PCI_STAT_CMD_B_SHIFT)
+#define PCI_STAT_CMD_M				(1<<PCI_STAT_CMD_M_SHIFT)
+#define PCI_STAT_CMD_IO			(1<<PCI_STAT_CMD_IO_SHIFT)
+
+/* PCI Configuration 1 Register (PCICR1) - PCI Dword 3 */
+#define PCI_CFG1_HT_SHIFT			16
+#define PCI_CFG1_HT_MASK			0xff
+#define PCI_CFG1_LT_SHIFT			8
+#define PCI_CFG1_LT_MASK			0xff
+#define PCI_CFG1_CLS_SHIFT			0
+#define PCI_CFG1_CLS_MASK			0xf
 
 /* function prototypes */
 void loadtask(int basetask, int tasks);