[U-Boot] [PATCH v4 02/10] usb: ehci-marvell: add support for second USB controller
Sascha Silbe
t-uboot at infra-silbe.de
Sun May 26 20:36:55 CEST 2013
From: Sascha Silbe <sascha-pgp at silbe.org>
Marvell 88AP510 (Armada 510, dove) has two separate USB
controllers. Use the index parameter that already gets passed in to
calculate the base address of the controller.
Signed-off-by: Sascha Silbe <t-uboot at infra-silbe.de>
---
v3->v4: new patch
drivers/usb/host/ehci-marvell.c | 35 ++++++++++++++++++++++++-----------
1 file changed, 24 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/host/ehci-marvell.c b/drivers/usb/host/ehci-marvell.c
index 2b73e4a..d2cf026 100644
--- a/drivers/usb/host/ehci-marvell.c
+++ b/drivers/usb/host/ehci-marvell.c
@@ -28,7 +28,9 @@
#include "ehci.h"
#include <asm/arch/cpu.h>
-#if defined(CONFIG_KIRKWOOD)
+#if defined(CONFIG_DOVE)
+#include <asm/arch/dove.h>
+#elif defined(CONFIG_KIRKWOOD)
#include <asm/arch/kirkwood.h>
#elif defined(CONFIG_ORION5X)
#include <asm/arch/orion5x.h>
@@ -36,8 +38,8 @@
DECLARE_GLOBAL_DATA_PTR;
-#define rdl(off) readl(MVUSB0_BASE + (off))
-#define wrl(off, val) writel((val), MVUSB0_BASE + (off))
+#define rdl(base, off) readl((base) + (off))
+#define wrl(base, off, val) writel((val), (base) + (off))
#define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4))
#define USB_WINDOW_BASE(i) (0x324 + ((i) << 4))
@@ -46,10 +48,15 @@ DECLARE_GLOBAL_DATA_PTR;
/*
* USB 2.0 Bridge Address Decoding registers setup
*/
-static void usb_brg_adrdec_setup(void)
+static void usb_brg_adrdec_setup(int index)
{
int i;
u32 size, base, attrib;
+#ifdef MVUSB1_BASE
+ u32 usb_base = (index == 0) ? MVUSB0_BASE : MVUSB1_BASE;
+#else
+ u32 usb_base = MVUSB0_BASE;
+#endif
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
@@ -76,13 +83,13 @@ static void usb_brg_adrdec_setup(void)
size = gd->bd->bi_dram[i].size;
base = gd->bd->bi_dram[i].start;
if ((size) && (attrib))
- wrl(USB_WINDOW_CTRL(i),
- MVCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM,
- attrib, MVCPU_WIN_ENABLE));
+ wrl(usb_base, USB_WINDOW_CTRL(i),
+ MVCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM,
+ attrib, MVCPU_WIN_ENABLE));
else
- wrl(USB_WINDOW_CTRL(i), MVCPU_WIN_DISABLE);
+ wrl(usb_base, USB_WINDOW_CTRL(i), MVCPU_WIN_DISABLE);
- wrl(USB_WINDOW_BASE(i), base);
+ wrl(usb_base, USB_WINDOW_BASE(i), base);
}
}
@@ -92,9 +99,15 @@ static void usb_brg_adrdec_setup(void)
*/
int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
- usb_brg_adrdec_setup();
+#ifdef MVUSB1_BASE
+ u32 usb_base = (index == 0) ? MVUSB0_BASE : MVUSB1_BASE;
+#else
+ u32 usb_base = MVUSB0_BASE;
+#endif
- *hccr = (struct ehci_hccr *)(MVUSB0_BASE + 0x100);
+ usb_brg_adrdec_setup(index);
+
+ *hccr = (struct ehci_hccr *)(usb_base + 0x100);
*hcor = (struct ehci_hcor *)((uint32_t) *hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
--
1.8.2.1
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