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mpc83xx: USB: Reorganized its support

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The following patch reorganizes/reworks the USB support for mpc83xx
as under:-

  * Moves the 83xx USB clock init from drivers/usb/host/ehci-fsl.c to
    cpu/mpx83xx/cpu_init.c

  * Board specific usb_phy_type is read from the environment

  * Adds USB EHCI specific structure in include/usb/ehci-fsl.h

  * Copyrights revamped in most of the following files

Signed-off-by: Vivek Mahajan <vivek.mahajan@freescale.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Vivek Mahajan
2009-05-25 17:23:16 +05:30
committed by Wolfgang Denk
parent ed90d2c871
commit 4ef01010aa
4 changed files with 102 additions and 38 deletions
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19
cpu/mpc83xx/cpu_init.c
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -23,6 +23,10 @@
#include <common.h>
#include <mpc83xx.h>
#include <ioports.h>
#ifdef CONFIG_USB_EHCI_FSL
#include <asm/io.h>
#include <usb/ehci-fsl.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -294,6 +298,19 @@ void cpu_init_f (volatile immap_t * im)
im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT;
im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR;
#endif
#ifdef CONFIG_USB_EHCI_FSL
uint32_t temp;
struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR;
/* Configure interface. */
setbits_be32((void *)ehci->control, REFSEL_16MHZ | UTMI_PHY_EN);
/* Wait for clock to stabilize */
do {
temp = in_be32((void *)ehci->control);
udelay(1000);
} while (!(temp & PHY_CLK_VALID));
#endif
}
int cpu_init_r (void)