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authorLennert Buytenhek <buytenh@wantstofly.org>2009-02-20 02:31:35 +0100
committerNicolas Pitre <nico@cam.org>2009-02-19 22:36:42 -0500
commitcfdeb6376e439c58c2d37de492d2a8c763621022 (patch)
tree19243c67ec6411797028cbe538ea88410516049d /arch/arm/mach-mv78xx0/pcie.c
parent12f4815b425b26a610e5dd9a5a5e02872f0f52c5 (diff)
[ARM] mv78xx0: distinguish between different chip steppings
During boot, identify which chip stepping we're running on (determined by looking at the first PCIe unit's device ID and revision registers), and print a message with the details about what we found. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Diffstat (limited to 'arch/arm/mach-mv78xx0/pcie.c')
-rw-r--r--arch/arm/mach-mv78xx0/pcie.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
index aad3a7a2f830..a560439dcc3c 100644
--- a/arch/arm/mach-mv78xx0/pcie.c
+++ b/arch/arm/mach-mv78xx0/pcie.c
@@ -33,6 +33,12 @@ static struct resource pcie_io_space;
static struct resource pcie_mem_space;
+void __init mv78xx0_pcie_id(u32 *dev, u32 *rev)
+{
+ *dev = orion_pcie_dev_id((void __iomem *)PCIE00_VIRT_BASE);
+ *rev = orion_pcie_rev((void __iomem *)PCIE00_VIRT_BASE);
+}
+
static void __init mv78xx0_pcie_preinit(void)
{
int i;