usb: spear: Add support for both SPEAr600 EHCI controllers
USB EHCI on SPEAr600 has not been tested for a while. The base controller
addresses are missing. This patch adds the defines to the header. And adds
the missing code.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Vipin Kumar <vk.vipin@gmail.com>
Cc: Marek Vasut <marex@denx.de>
diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
index 210ee9e..9e90e18 100644
--- a/drivers/usb/host/ehci-spear.c
+++ b/drivers/usb/host/ehci-spear.c
@@ -14,7 +14,21 @@
#include <usb.h>
#include "ehci.h"
#include <asm/arch/hardware.h>
+#include <asm/arch/spr_misc.h>
+static void spear6xx_usbh_stop(void)
+{
+ struct misc_regs *const misc_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 periph1_rst = readl(misc_p->periph1_rst);
+
+ periph1_rst |= PERIPH_USBH1 | PERIPH_USBH2;
+ writel(periph1_rst, misc_p->periph1_rst);
+
+ udelay(1000);
+ periph1_rst &= ~(PERIPH_USBH1 | PERIPH_USBH2);
+ writel(periph1_rst, misc_p->periph1_rst);
+}
/*
* Create the appropriate control structures to manage
@@ -23,9 +37,23 @@
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
- *hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100);
- *hcor = (struct ehci_hcor *)((uint32_t)*hccr
- + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
+ u32 ehci = 0;
+
+ switch (index) {
+ case 0:
+ ehci = CONFIG_SYS_UHC0_EHCI_BASE;
+ break;
+ case 1:
+ ehci = CONFIG_SYS_UHC1_EHCI_BASE;
+ break;
+ default:
+ printf("ERROR: wrong controller index!\n");
+ break;
+ };
+
+ *hccr = (struct ehci_hccr *)(ehci + 0x100);
+ *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n",
(uint32_t)*hccr, (uint32_t)*hcor,
@@ -40,5 +68,9 @@
*/
int ehci_hcd_stop(int index)
{
+#if defined(CONFIG_SPEAR600)
+ spear6xx_usbh_stop();
+#endif
+
return 0;
}