MIPS: Octeon: Set appropriate endianness in L2C registers
authorPaul Martin <paul.martin@codethink.co.uk>
Mon, 30 Mar 2015 16:00:57 +0000 (17:00 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Wed, 1 Apr 2015 15:22:14 +0000 (17:22 +0200)
Signed-off-by: Paul Martin <paul.martin@codethink.co.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9629/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/cavium-octeon/octeon-platform.c

index e1d56f32f784abc09eb6fe1d89643bf41ee024a4..d113c8ded6e2f33626ee531fca8d7af3b70c2b47 100644 (file)
@@ -325,8 +325,14 @@ static void __init octeon_ehci_hw_start(struct device *dev)
        /* Use 64-bit addressing. */
        ehci_ctl.s.ehci_64b_addr_en = 1;
        ehci_ctl.s.l2c_addr_msb = 0;
+#ifdef __BIG_ENDIAN
        ehci_ctl.s.l2c_buff_emod = 1; /* Byte swapped. */
        ehci_ctl.s.l2c_desc_emod = 1; /* Byte swapped. */
+#else
+       ehci_ctl.s.l2c_buff_emod = 0; /* not swapped. */
+       ehci_ctl.s.l2c_desc_emod = 0; /* not swapped. */
+       ehci_ctl.s.inv_reg_a2 = 1;
+#endif
        cvmx_write_csr(CVMX_UCTLX_EHCI_CTL(0), ehci_ctl.u64);
 
        octeon2_usb_clocks_stop();
@@ -381,8 +387,14 @@ static void __init octeon_ohci_hw_start(struct device *dev)
 
        ohci_ctl.u64 = cvmx_read_csr(CVMX_UCTLX_OHCI_CTL(0));
        ohci_ctl.s.l2c_addr_msb = 0;
+#ifdef __BIG_ENDIAN
        ohci_ctl.s.l2c_buff_emod = 1; /* Byte swapped. */
        ohci_ctl.s.l2c_desc_emod = 1; /* Byte swapped. */
+#else
+       ohci_ctl.s.l2c_buff_emod = 0; /* not swapped. */
+       ohci_ctl.s.l2c_desc_emod = 0; /* not swapped. */
+       ohci_ctl.s.inv_reg_a2 = 1;
+#endif
        cvmx_write_csr(CVMX_UCTLX_OHCI_CTL(0), ohci_ctl.u64);
 
        octeon2_usb_clocks_stop();