Merge with /home/raj/git/u-boot#440SPe_PCIe_fixes

4 files changed, 46 insertions, 20 deletions

diff --git a/board/amcc/katmai/init.S b/board/amcc/katmai/init.S
index 5202ae694c..e3f3da6bd8 100644
--- a/board/amcc/katmai/init.S
+++ b/board/amcc/katmai/init.S
@@ -67,9 +67,9 @@ tlbtabA:
 	tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE_BASE, SZ_16K, 0x20000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 
-	tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE0_CFGBASE, SZ_16M, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE1_CFGBASE, SZ_16M, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE2_CFGBASE, SZ_16M, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
@@ -109,9 +109,9 @@ tlbtabB:
 	tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 
-	tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x00100000, 0xD, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x20100000, 0xD, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0x40100000, 0xD, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_R|AC_W|SA_G|SA_I)
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c
index b804d55f2e..afd60ece62 100644
--- a/board/amcc/katmai/katmai.c
+++ b/board/amcc/katmai/katmai.c
@@ -392,16 +392,18 @@ int katmai_pcie_card_present(int port)
 
 static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
 
-void pcie_setup_hoses(void)
+void pcie_setup_hoses(int busno)
 {
 	struct pci_controller *hose;
 	int i, bus;
+	char *env;
+	unsigned int delay;
 
 	/*
 	 * assume we're called after the PCIX hose is initialized, which takes
 	 * bus ID 0 and therefore start numbering PCIe's from 1.
 	 */
-	bus = 1;
+	bus = busno;
 	for (i = 0; i <= 2; i++) {
 		/* Check for katmai card presence */
 		if (!katmai_pcie_card_present(i))
@@ -418,8 +420,8 @@ void pcie_setup_hoses(void)
 
 		hose = &pcie_hose[i];
 		hose->first_busno = bus;
-		hose->last_busno  = bus;
-		bus++;
+		hose->last_busno = bus;
+		hose->current_busno = bus;
 
 		/* setup mem resource */
 		pci_set_region(hose->regions + 0,
@@ -439,10 +441,21 @@ void pcie_setup_hoses(void)
 		 */
 #else
 		ppc440spe_setup_pcie_rootpoint(hose, i);
+
+		env = getenv ("pciscandelay");
+		if (env != NULL) {
+			delay = simple_strtoul (env, NULL, 10);
+			if (delay > 5)
+				printf ("Warning, expect noticable delay before PCIe"
+					"scan due to 'pciscandelay' value!\n");
+			mdelay (delay * 1000);
+		}
+
 		/*
 		 * Config access can only go down stream
 		 */
 		hose->last_busno = pci_hose_scan(hose);
+		bus = hose->last_busno + 1;
 #endif
 	}
 }
diff --git a/board/amcc/yucca/init.S b/board/amcc/yucca/init.S
index c92dcf7a51..67e8f8f3a2 100644
--- a/board/amcc/yucca/init.S
+++ b/board/amcc/yucca/init.S
@@ -70,9 +70,9 @@ tlbtabA:
 	tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE_BASE, SZ_16K, 0x20000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 
-	tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE0_CFGBASE, SZ_16M, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE1_CFGBASE, SZ_16M, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE2_CFGBASE, SZ_16M, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
@@ -112,9 +112,9 @@ tlbtabB:
 	tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 
-	tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x00100000, 0xD, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x20100000, 0xD, AC_R|AC_W|SA_G|SA_I)
-	tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0x40100000, 0xD, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_R|AC_W|SA_G|SA_I)
diff --git a/board/amcc/yucca/yucca.c b/board/amcc/yucca/yucca.c
index d08fcf3565..397b01873f 100644
--- a/board/amcc/yucca/yucca.c
+++ b/board/amcc/yucca/yucca.c
@@ -846,16 +846,18 @@ void yucca_setup_pcie_fpga_endpoint(int port)
 
 static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
 
-void pcie_setup_hoses(void)
+void pcie_setup_hoses(int busno)
 {
 	struct pci_controller *hose;
 	int i, bus;
+	char *env;
+	unsigned int delay;
 
 	/*
 	 * assume we're called after the PCIX hose is initialized, which takes
 	 * bus ID 0 and therefore start numbering PCIe's from 1.
 	 */
-	bus = 1;
+	bus = busno;
 	for (i = 0; i <= 2; i++) {
 		/* Check for yucca card presence */
 		if (!yucca_pcie_card_present(i))
@@ -874,8 +876,8 @@ void pcie_setup_hoses(void)
 
 		hose = &pcie_hose[i];
 		hose->first_busno = bus;
-		hose->last_busno  = bus;
-		bus++;
+		hose->last_busno = bus;
+		hose->current_busno = bus;
 
 		/* setup mem resource */
 		pci_set_region(hose->regions + 0,
@@ -895,10 +897,21 @@ void pcie_setup_hoses(void)
 		 */
 #else
 		ppc440spe_setup_pcie_rootpoint(hose, i);
+
+		env = getenv ("pciscandelay");
+		if (env != NULL) {
+			delay = simple_strtoul (env, NULL, 10);
+			if (delay > 5)
+				printf ("Warning, expect noticable delay before PCIe"
+					"scan due to 'pciscandelay' value!\n");
+			mdelay (delay * 1000);
+		}
+
 		/*
 		 * Config access can only go down stream
 		 */
 		hose->last_busno = pci_hose_scan(hose);
+		bus = hose->last_busno + 1;
 #endif
 	}
 }