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authorEric Bénard <eric@eukrea.com>2010-06-08 11:02:56 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2010-07-26 14:18:08 +0200
commit648beaf5bd7072031bddd84bf7bb482ec459a603 (patch)
tree80c434e806cc3d341cc5ade3669b418b7f83e9fd
parent5a36c399234d511a347b2be4382c7a55f28c18ba (diff)
plat-mxc/ehci.c: add i.MX25 support
i.MX25's OTG has the same USBCTRL registers than i.MX35 so reuse most of the i.MX35's defines. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--arch/arm/plat-mxc/ehci.c46
1 files changed, 45 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index 2a8646173c2f..618479258bb6 100644
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -73,7 +73,51 @@
int mxc_initialize_usb_hw(int port, unsigned int flags)
{
unsigned int v;
-#ifdef CONFIG_ARCH_MX3
+#if defined(CONFIG_ARCH_MX25)
+ if (cpu_is_mx25()) {
+ v = readl(MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET));
+
+ switch (port) {
+ case 0: /* OTG port */
+ v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX35_OTG_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX35_OTG_PM_BIT;
+
+ break;
+ case 1: /* H1 port */
+ v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |
+ MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX35_H1_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX35_H1_PM_BIT;
+
+ if (!(flags & MXC_EHCI_TTL_ENABLED))
+ v |= MX35_H1_TLL_BIT;
+
+ if (flags & MXC_EHCI_INTERNAL_PHY)
+ v |= MX35_H1_USBTE_BIT;
+
+ if (flags & MXC_EHCI_IPPUE_DOWN)
+ v |= MX35_H1_IPPUE_DOWN_BIT;
+
+ if (flags & MXC_EHCI_IPPUE_UP)
+ v |= MX35_H1_IPPUE_UP_BIT;
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ writel(v, MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET));
+ return 0;
+ }
+#endif /* CONFIG_ARCH_MX25 */
+#if defined(CONFIG_ARCH_MX3)
if (cpu_is_mx31()) {
v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));