1 files changed, 21 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index 5b0ab9966e90..8f29bbce5360 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -151,6 +151,27 @@ static void tqm85xx_show_cpuinfo(struct seq_file *m)
         seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
 }
 
+static void __init tqm85xx_ti1520_fixup(struct pci_dev *pdev)
+{
+        unsigned int val;
+
+        /* Do not do the fixup on other platforms! */
+        if (!machine_is(tqm85xx))
+                return;
+
+        dev_info(&pdev->dev, "Using TI 1520 fixup on TQM85xx\n");
+
+        /*
+         * Enable P2CCLK bit in system control register
+         * to enable CLOCK output to power chip
+         */
+        pci_read_config_dword(pdev, 0x80, &val);
+        pci_write_config_dword(pdev, 0x80, val | (1 << 27));
+
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520,
+                tqm85xx_ti1520_fixup);
+
 static struct of_device_id __initdata of_bus_ids[] = {
         { .compatible = "simple-bus", },
         { .compatible = "gianfar", },