diff options
| author | Stefan Roese <sr@denx.de> | 2015-06-29 14:58:15 +0200 |
|---|---|---|
| committer | Luka Perkov <luka.perkov@sartura.hr> | 2015-07-10 14:55:50 +0200 |
| commit | fe11ae2437e67509b0a0697d932bba10aa686756 (patch) | |
| tree | 72a22f92db6992efc079a1d4736a5b43bb5b0e88 | |
| parent | 7cbaff9574878f9d71a08dbe1c2a6ad72ce2822c (diff) | |
usb: Add EHCI support for Armada 38x (mvebu)
This patch adds USB EHCI host support for the common mvebu platform.
Including the Armada 38x.
Tested on DB-88F6280-GP eval board.
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/soc.h | 1 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-marvell.c | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h index e6bfbc25ee..1aaea672ee 100644 --- a/arch/arm/mach-mvebu/include/mach/soc.h +++ b/arch/arm/mach-mvebu/include/mach/soc.h @@ -49,6 +49,7 @@ #define MVEBU_EGIGA2_BASE (MVEBU_REGISTER(0x30000)) #define MVEBU_EGIGA3_BASE (MVEBU_REGISTER(0x34000)) #define MVEBU_REG_PCIE_BASE (MVEBU_REGISTER(0x40000)) +#define MVEBU_USB20_BASE (MVEBU_REGISTER(0x58000)) #define MVEBU_EGIGA0_BASE (MVEBU_REGISTER(0x70000)) #define MVEBU_EGIGA1_BASE (MVEBU_REGISTER(0x74000)) #define MVEBU_SATA0_BASE (MVEBU_REGISTER(0xa8000)) diff --git a/drivers/usb/host/ehci-marvell.c b/drivers/usb/host/ehci-marvell.c index 1a5fd6eefc..03c489c014 100644 --- a/drivers/usb/host/ehci-marvell.c +++ b/drivers/usb/host/ehci-marvell.c @@ -10,6 +10,7 @@ #include <asm/io.h> #include <usb.h> #include "ehci.h" +#include <linux/mbus.h> #include <asm/arch/cpu.h> #if defined(CONFIG_KIRKWOOD) @@ -30,6 +31,40 @@ DECLARE_GLOBAL_DATA_PTR; /* * USB 2.0 Bridge Address Decoding registers setup */ +#ifdef CONFIG_ARMADA_XP + +#define MVUSB0_BASE MVEBU_USB20_BASE + +/* + * 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) +{ + const struct mbus_dram_target_info *dram; + int i; + + dram = mvebu_mbus_dram_info(); + + for (i = 0; i < 4; i++) { + wrl(USB_WINDOW_CTRL(i), 0); + wrl(USB_WINDOW_BASE(i), 0); + } + + for (i = 0; i < dram->num_cs; i++) { + const struct mbus_dram_window *cs = dram->cs + i; + + /* Write size, attributes and target id to control register */ + wrl(USB_WINDOW_CTRL(i), + ((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | + (dram->mbus_dram_target_id << 4) | 1); + + /* Write base address to base register */ + wrl(USB_WINDOW_BASE(i), cs->base); + } +} +#else static void usb_brg_adrdec_setup(void) { int i; @@ -69,6 +104,7 @@ static void usb_brg_adrdec_setup(void) wrl(USB_WINDOW_BASE(i), base); } } +#endif /* * Create the appropriate control structures to manage |