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author | Ronen Shitrit <rshitrit@marvell.com> | 2008-09-17 10:08:05 +0300 |
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committer | Nicolas Pitre <nico@cam.org> | 2008-12-04 01:28:14 -0500 |
commit | fb6f552930e52699c8ac452c5a79ec3e97e6fc73 (patch) | |
tree | 77bbbfc5168695ec20c525eb53094d6d0b45e0ce | |
parent | 061e41fdb5047b1fb161e89664057835935ca1d2 (diff) | |
download | linux-fb6f552930e52699c8ac452c5a79ec3e97e6fc73.tar.gz linux-fb6f552930e52699c8ac452c5a79ec3e97e6fc73.tar.bz2 linux-fb6f552930e52699c8ac452c5a79ec3e97e6fc73.zip |
[ARM] Orion: add the option to support different ehci phy initialization
The Orion ehci driver serves the Orion, kirkwood and DD Soc families.
Since each of those integrate a different USB phy we should have the
ability to use few initialization sequences or to leave the boot loader
phy settings as is.
Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
-rw-r--r-- | arch/arm/mach-kirkwood/common.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/common.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/common.c | 1 | ||||
-rw-r--r-- | arch/arm/plat-orion/include/plat/ehci-orion.h | 8 | ||||
-rw-r--r-- | drivers/usb/host/ehci-orion.c | 17 |
5 files changed, 25 insertions, 3 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 0bb1fbd84ccb..b5c684d96e4e 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -57,6 +57,7 @@ void __init kirkwood_map_io(void) ****************************************************************************/ static struct orion_ehci_data kirkwood_ehci_data = { .dram = &kirkwood_mbus_dram_info, + .phy_version = EHCI_PHY_NA, }; static u64 ehci_dmamask = 0xffffffffUL; diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c index 238a2f8c2d52..b0e4e0d8f506 100644 --- a/arch/arm/mach-mv78xx0/common.c +++ b/arch/arm/mach-mv78xx0/common.c @@ -167,6 +167,7 @@ void __init mv78xx0_map_io(void) ****************************************************************************/ static struct orion_ehci_data mv78xx0_ehci_data = { .dram = &mv78xx0_mbus_dram_info, + .phy_version = EHCI_PHY_NA, }; static u64 ehci_dmamask = 0xffffffffUL; diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 437065c25c9c..0a623379789f 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -72,6 +72,7 @@ void __init orion5x_map_io(void) ****************************************************************************/ static struct orion_ehci_data orion5x_ehci_data = { .dram = &orion5x_mbus_dram_info, + .phy_version = EHCI_PHY_ORION, }; static u64 ehci_dmamask = 0xffffffffUL; diff --git a/arch/arm/plat-orion/include/plat/ehci-orion.h b/arch/arm/plat-orion/include/plat/ehci-orion.h index 64343051095a..4ec668e77460 100644 --- a/arch/arm/plat-orion/include/plat/ehci-orion.h +++ b/arch/arm/plat-orion/include/plat/ehci-orion.h @@ -11,8 +11,16 @@ #include <linux/mbus.h> +enum orion_ehci_phy_ver { + EHCI_PHY_ORION, + EHCI_PHY_DD, + EHCI_PHY_KW, + EHCI_PHY_NA, +}; + struct orion_ehci_data { struct mbus_dram_target_info *dram; + enum orion_ehci_phy_ver phy_version; }; diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 5416cf969005..9d487908012e 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -33,8 +33,9 @@ /* * Implement Orion USB controller specification guidelines */ -static void orion_usb_setup(struct usb_hcd *hcd) +static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) { + /* The below GLs are according to the Orion Errata document */ /* * Clear interrupt cause and mask */ @@ -258,9 +259,19 @@ static int __init ehci_orion_drv_probe(struct platform_device *pdev) ehci_orion_conf_mbus_windows(hcd, pd->dram); /* - * setup Orion USB controller + * setup Orion USB controller. */ - orion_usb_setup(hcd); + switch (pd->phy_version) { + case EHCI_PHY_NA: /* dont change USB phy settings */ + break; + case EHCI_PHY_ORION: + orion_usb_phy_v1_setup(hcd); + break; + case EHCI_PHY_DD: + case EHCI_PHY_KW: + default: + printk(KERN_WARNING "Orion ehci -USB phy version isn't supported.\n"); + } err = usb_add_hcd(hcd, irq, IRQF_SHARED | IRQF_DISABLED); if (err) |