Added support for PCI bridge on MPC8272ADS

Patch by Vitaly Bordug, Feb 09 2005

1 files changed, 95 insertions, 3 deletions

diff --git a/include/configs/MPC8260ADS.h b/include/configs/MPC8260ADS.h
index 98a063ae92..61a1c271ab 100644
--- a/include/configs/MPC8260ADS.h
+++ b/include/configs/MPC8260ADS.h
@@ -13,6 +13,10 @@
  * Ported to PQ2FADS-ZU and PQ2FADS-VR boards.
  * Ported to MPC8272ADS board.
  *
+ * Copyright (c) 2005 MontaVista Software, Inc.   
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ * Added support for PCI bridge on MPC8272ADS
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -173,6 +177,15 @@
 #endif
 #endif /* CONFIG_ADSTYPE >= CFG_PQ2FADS */
 
+/*PCI*/
+#ifdef CONFIG_MPC8272
+#define CONFIG_PCI
+#define CONFIG_PCI_PNP
+#define CONFIG_PCI_BOOTDELAY 0
+#define CONFIG_PCI_SCAN_SHOW
+#endif
+
+
 #ifndef CONFIG_SDRAM_PBI
 #define CONFIG_SDRAM_PBI	0 /* By default, use bank-based interleaving */
 #endif
@@ -205,7 +218,6 @@
 				CFG_CMD_KGDB	| \
 				CFG_CMD_MMC	| \
 				CFG_CMD_NAND	| \
-				CFG_CMD_PCI	| \
 				CFG_CMD_PCMCIA	| \
 				CFG_CMD_REISER	| \
 				CFG_CMD_SCSI	| \
@@ -216,14 +228,21 @@
 				CFG_CMD_VFD	| \
 				CFG_CMD_XIMG
 
-#if CONFIG_ADSTYPE >= CFG_PQ2FADS
+#if CONFIG_ADSTYPE == CFG_8272ADS
+#define CONFIG_COMMANDS		(CFG_CMD_ALL & ~( \
+			         CFG_CMD_SDRAM	| \
+				 CFG_CMD_I2C	| \
+				 CFG_EXCLUDE	) )
+#elif CONFIG_ADSTYPE >= CFG_PQ2FADS
 #define CONFIG_COMMANDS		(CFG_CMD_ALL & ~( \
 				 CFG_CMD_SDRAM	| \
 				 CFG_CMD_I2C	| \
+				 CFG_CMD_PCI	| \
 				 CFG_EXCLUDE	) )
 #else
 #define CONFIG_COMMANDS		(CFG_CMD_ALL & ~( \
-				 CFG_EXCLUDE	) )
+				 CMD_CFG_PCI 	| \
+				 CFG_EXCLUDE 	) )
 #endif /* CONFIG_ADSTYPE >= CFG_PQ2FADS */
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
@@ -295,6 +314,9 @@
 
 #define CFG_IMMR		0xF0000000
 #define CFG_BCSR		0xF4500000
+#if CONFIG_ADSTYPE == CFG_8272ADS
+#define CFG_PCI_INT		0xF8200000
+#endif
 #define CFG_SDRAM_BASE		0x00000000
 #define CFG_LSDRAM_BASE		0xFD000000
 
@@ -385,6 +407,13 @@
 #define CFG_BR1_PRELIM		CFG_BCSR | 0x00001801
 #define CFG_OR1_PRELIM		0xFFFF8010
 
+/*We need to configure chip select to use CPLD PCI IC on MPC8272ADS*/
+
+#if CONFIG_ADSTYPE == CFG_8272ADS
+#define CFG_BR3_PRELIM	(CFG_PCI_INT | 0x1801)	/* PCI interrupt controller */
+#define CFG_OR3_PRELIM	0xFFFF8010
+#endif
+
 #define CFG_RMR			RMR_CSRE
 #define CFG_TMCNTSC		(TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
 #define CFG_PISCR		(PISCR_PS|PISCR_PTF|PISCR_PTE)
@@ -417,4 +446,67 @@
 
 #define CFG_RESET_ADDRESS	0x04400000
 
+#if CONFIG_ADSTYPE == CFG_8272ADS
+
+/* PCI Memory map (if different from default map */
+#define CFG_PCI_SLV_MEM_LOCAL	CFG_SDRAM_BASE		/* Local base */
+#define CFG_PCI_SLV_MEM_BUS		0x00000000		/* PCI base */
+#define CFG_PICMR0_MASK_ATTRIB	(PICMR_MASK_512MB | PICMR_ENABLE | \
+				 PICMR_PREFETCH_EN)
+
+/*
+ * These are the windows that allow the CPU to access PCI address space.
+ * All three PCI master windows, which allow the CPU to access PCI
+ * prefetch, non prefetch, and IO space (see below), must all fit within
+ * these windows.
+ */
+
+
+
+/*
+ * Master window that allows the CPU to access PCI Memory (prefetch).
+ * This window will be setup with the second set of Outbound ATU registers
+ * in the bridge.
+ */
+
+#define CFG_PCI_MSTR_MEM_LOCAL	0x80000000          /* Local base */
+#define CFG_PCI_MSTR_MEM_BUS	0x80000000          /* PCI base   */
+#define	CFG_CPU_PCI_MEM_START	PCI_MSTR_MEM_LOCAL
+#define CFG_PCI_MSTR_MEM_SIZE	0x20000000          /* 512MB */
+#define CFG_POCMR0_MASK_ATTRIB	(POCMR_MASK_512MB | POCMR_ENABLE | POCMR_PREFETCH_EN)
+
+/*
+ * Master window that allows the CPU to access PCI Memory (non-prefetch).
+ * This window will be setup with the second set of Outbound ATU registers
+ * in the bridge.
+ */
+
+#define CFG_PCI_MSTR_MEMIO_LOCAL    0xA0000000          /* Local base */
+#define CFG_PCI_MSTR_MEMIO_BUS      0xA0000000          /* PCI base   */
+#define CFG_CPU_PCI_MEMIO_START     PCI_MSTR_MEMIO_LOCAL
+#define CFG_PCI_MSTR_MEMIO_SIZE     0x20000000          /* 512MB */
+#define CFG_POCMR1_MASK_ATTRIB      (POCMR_MASK_512MB | POCMR_ENABLE)
+
+/*
+ * Master window that allows the CPU to access PCI IO space.
+ * This window will be setup with the first set of Outbound ATU registers
+ * in the bridge.
+ */
+
+#define CFG_PCI_MSTR_IO_LOCAL       0xF6000000          /* Local base */
+#define CFG_PCI_MSTR_IO_BUS         0x00000000          /* PCI base   */
+#define CFG_CPU_PCI_IO_START        PCI_MSTR_IO_LOCAL
+#define CFG_PCI_MSTR_IO_SIZE        0x02000000          /* 64MB */
+#define CFG_POCMR2_MASK_ATTRIB      (POCMR_MASK_32MB | POCMR_ENABLE | POCMR_PCI_IO)
+
+
+/* PCIBR0 - for PCI IO*/
+#define CFG_PCI_MSTR0_LOCAL		CFG_PCI_MSTR_IO_LOCAL		/* Local base */
+#define CFG_PCIMSK0_MASK		~(CFG_PCI_MSTR_IO_SIZE - 1U)	/* Size of window */
+/* PCIBR1 - prefetch and non-prefetch regions joined together */
+#define CFG_PCI_MSTR1_LOCAL		CFG_PCI_MSTR_MEM_LOCAL	
+#define CFG_PCIMSK1_MASK		~(CFG_PCI_MSTR_MEM_SIZE + CFG_PCI_MSTR_MEMIO_SIZE - 1U)
+
+#endif /* CONFIG_ADSTYPE == CONFIG_8272ADS*/
+
 #endif /* __CONFIG_H */