From: Stefan Roese <sr@denx.de>
Date: Tue, 1 Jul 2008 15:03:19 +0000 (+0200)
Subject: ppc4xx: Fix 460EX/GT PCIe port initialization
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dd1c5523d6f44e842e69f2fcb50788c6060eab86;p=people%2Fms%2Fu-boot.git

ppc4xx: Fix 460EX/GT PCIe port initialization

This patch fixes a bug where the 460EX/GT PCIe UTLSET1 register was
configured incorrectly. Thanks to Olga Buchonina from AMCC for pointing
this out.

Signed-off-by: Stefan Roese <sr@denx.de>
---

diff --git a/cpu/ppc4xx/4xx_pcie.c b/cpu/ppc4xx/4xx_pcie.c
index 503facca30..d50a538e38 100644
--- a/cpu/ppc4xx/4xx_pcie.c
+++ b/cpu/ppc4xx/4xx_pcie.c
@@ -615,22 +615,20 @@ int __ppc4xx_init_pcie_port_hw(int port, int rootport)
 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
 int __ppc4xx_init_pcie_port_hw(int port, int rootport)
 {
-	u32 val = 1 << 24;
+	u32 val;
 	u32 utlset1;
 
-	if (rootport) {
+	if (rootport)
 		val = PTYPE_ROOT_PORT << 20;
-		utlset1 = 0x21222222;
-	} else {
+	else
 		val = PTYPE_LEGACY_ENDPOINT << 20;
-		utlset1 = 0x20222222;
-	}
 
 	if (port == 0) {
 		val |= LNKW_X1 << 12;
+		utlset1 = 0x20000000;
 	} else {
 		val |= LNKW_X4 << 12;
-		utlset1 |= 0x00101101;
+		utlset1 = 0x20101101;
 	}
 
 	SDR_WRITE(SDRN_PESDR_DLPSET(port), val);