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arm: mvebu: add multiple usb-hostcontroller support for AXP

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This patch adds support for multiple hostcontrollers to the ehci-marvell driver
and enables all 3 usb-hcs on the db-mv784mp-gp board.

It depends on the initial Armada XP usb support patch from Stefan.

Signed-off-by: Anton Schubert <anton.schubert@gmx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
This commit is contained in:
Anton Schubert 2015-07-23 15:02:09 +02:00 committed by Luka Perkov
parent 49114c8738
commit 8a3337161d
2 changed files with 12 additions and 8 deletions
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19
drivers/usb/host/ehci-marvell.c
View file

@ -38,13 +38,14 @@ DECLARE_GLOBAL_DATA_PTR;
#define MVUSB0_BASE \
(mvebu_soc_family() == MVEBU_SOC_A38X ? \
MVEBU_USB20_BASE : MVEBU_AXP_USB_BASE)
#define MVUSB_BASE(port) MVUSB0_BASE + ((port) << 12)
/*
* Once all the older Marvell SoC's (Orion, Kirkwood) are converted
* to the common mvebu archticture including the mbus setup, this
* will be the only function needed to configure the access windows
*/
static void usb_brg_adrdec_setup(void)
static void usb_brg_adrdec_setup(int index)
{
const struct mbus_dram_target_info *dram;
int i;
@ -52,8 +53,8 @@ static void usb_brg_adrdec_setup(void)
dram = mvebu_mbus_dram_info();
for (i = 0; i < 4; i++) {
writel(0, MVUSB0_BASE + USB_WINDOW_CTRL(i));
writel(0, MVUSB0_BASE + USB_WINDOW_BASE(i));
writel(0, MVUSB_BASE(index) + USB_WINDOW_CTRL(i));
writel(0, MVUSB_BASE(index) + USB_WINDOW_BASE(i));
}
for (i = 0; i < dram->num_cs; i++) {
@ -62,14 +63,16 @@ static void usb_brg_adrdec_setup(void)
/* Write size, attributes and target id to control register */
writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) |
(dram->mbus_dram_target_id << 4) | 1,
MVUSB0_BASE + USB_WINDOW_CTRL(i));
MVUSB_BASE(index) + USB_WINDOW_CTRL(i));
/* Write base address to base register */
writel(cs->base, MVUSB0_BASE + USB_WINDOW_BASE(i));
writel(cs->base, MVUSB_BASE(index) + USB_WINDOW_BASE(i));
}
}
#else
static void usb_brg_adrdec_setup(void)
#define MVUSB_BASE(port) MVUSB0_BASE
static void usb_brg_adrdec_setup(int index)
{
int i;
u32 size, base, attrib;
@ -118,9 +121,9 @@ static void usb_brg_adrdec_setup(void)
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
usb_brg_adrdec_setup();
usb_brg_adrdec_setup(index);
*hccr = (struct ehci_hccr *)(MVUSB0_BASE + 0x100);
*hccr = (struct ehci_hccr *)(MVUSB_BASE(index) + 0x100);
*hcor = (struct ehci_hcor *)((uint32_t) *hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));

1
include/configs/db-mv784mp-gp.h
View file

@ -47,6 +47,7 @@
#define CONFIG_USB_STORAGE
#define CONFIG_USB_EHCI_MARVELL
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_MAX_CONTROLLER_COUNT 3
/* SPI NOR flash default params, used by sf commands */
#define CONFIG_SF_DEFAULT_SPEED 1000000