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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Cc: Peter Mamonov <pmamonov@gmail.com>
Subject: [RFC 8/9] MIPS: tplink-mr3020: select big-endian EHCI support
Date: Fri, 28 Aug 2015 01:24:09 +0300	[thread overview]
Message-ID: <1440714250-28080-9-git-send-email-antonynpavlov@gmail.com> (raw)
In-Reply-To: <1440714250-28080-1-git-send-email-antonynpavlov@gmail.com>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 arch/mips/boards/tplink-mr3020/board.c | 55 ++++++++++++++++++++++++++++++++++
 arch/mips/mach-ath79/Kconfig           |  4 +++
 2 files changed, 59 insertions(+)

diff --git a/arch/mips/boards/tplink-mr3020/board.c b/arch/mips/boards/tplink-mr3020/board.c
index 318998c..032ad7d 100644
--- a/arch/mips/boards/tplink-mr3020/board.c
+++ b/arch/mips/boards/tplink-mr3020/board.c
@@ -25,3 +25,58 @@ static int model_hostname_init(void)
 	return 0;
 }
 postcore_initcall(model_hostname_init);
+
+#include <asm/addrspace.h>
+#include <mach/ath79.h>
+#include <usb/ehci.h>
+
+#define AR933X_RESET_REG_RESET_MODULE           0x1c
+#define AR933X_RESET_USB_HOST           BIT(5)
+#define AR933X_RESET_USB_PHY            BIT(4)
+#define AR933X_RESET_USBSUS_OVERRIDE    BIT(3)
+
+#define AR933X_EHCI_BASE	0x1b000000
+#define AR933X_EHCI_SIZE	0x1000
+
+static void ath79_device_reset_set(u32 mask)
+{
+	u32 reg;
+	u32 t;
+
+	reg = AR933X_RESET_REG_RESET_MODULE;
+	t = ath79_reset_rr(reg);
+	ath79_reset_wr(reg, t | mask);
+}
+
+static void ath79_device_reset_clear(u32 mask)
+{
+	u32 reg;
+	u32 t;
+
+	reg = AR933X_RESET_REG_RESET_MODULE;
+	t = ath79_reset_rr(reg);
+	ath79_reset_wr(reg, t & ~mask);
+}
+
+static struct ehci_platform_data ehci_pdata = {
+	.flags = EHCI_HAS_TT | EHCI_BE_MMIO,
+};
+
+static int ehci_init(void)
+{
+	ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE);
+	mdelay(10); mdelay(10); mdelay(10);
+
+	ath79_device_reset_clear(AR933X_RESET_USB_HOST);
+	mdelay(10); mdelay(10); mdelay(10);
+
+	ath79_device_reset_clear(AR933X_RESET_USB_PHY);
+	mdelay(10); mdelay(10); mdelay(10);
+
+	add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC,
+			KSEG1ADDR(AR933X_EHCI_BASE),
+			&ehci_pdata);
+
+	return 0;
+}
+device_initcall(ehci_init);
diff --git a/arch/mips/mach-ath79/Kconfig b/arch/mips/mach-ath79/Kconfig
index f730b37..24ec078 100644
--- a/arch/mips/mach-ath79/Kconfig
+++ b/arch/mips/mach-ath79/Kconfig
@@ -12,6 +12,10 @@ config BOARD_TPLINK_MR3020
 	select HAVE_PBL_IMAGE
 	select HAVE_IMAGE_COMPRESSION
 	select HAS_NMON
+	select USB_HOST
+	select HAS_DMA
+	select USB_EHCI
+	select USB_EHCI_BIG_ENDIAN_MMIO
 
 endchoice
 
-- 
2.5.0


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  parent reply	other threads:[~2015-08-27 22:24 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-27 22:24 [RFC 0/9] ehci-hcd.c: make it works on big-endian mips (AR9331) Antony Pavlov
2015-08-27 22:24 ` [RFC 1/9] WIP: make ehci-hcd.c happy on big-endian MIPS Antony Pavlov
2015-08-27 22:24 ` [RFC 2/9] WIP: fix drivers/usb/core/usb.c Antony Pavlov
2015-08-28  6:11   ` Sascha Hauer
2015-08-28 15:51     ` Antony Pavlov
2015-08-31  6:45       ` Sascha Hauer
2015-08-27 22:24 ` [RFC 3/9] MIPS: add virt_to_phys() and phys_to_virt() Antony Pavlov
2015-08-28  6:34   ` Sascha Hauer
2015-08-28 15:46     ` Antony Pavlov
2015-09-04  6:20       ` Sascha Hauer
2015-09-04  7:27         ` Antony Pavlov
2015-09-04  8:44           ` Sascha Hauer
2015-12-06 14:50         ` Antony Pavlov
2015-12-07 10:27           ` Sascha Hauer
2015-12-08  9:11             ` Antony Pavlov
2015-12-08 11:46             ` Peter Mamonov
2015-12-09 13:03               ` Sascha Hauer
2015-08-27 22:24 ` [RFC 4/9] MIPS: add trivial dma support Antony Pavlov
2015-08-27 22:24 ` [RFC 5/9] ehci-hcd.c: make it works on mips Antony Pavlov
2015-08-27 22:24 ` [RFC 6/9] usb: ehci: drop unusable CONFIG_EHCI_MMIO_BIG_ENDIAN condition Antony Pavlov
2015-08-27 22:24 ` [RFC 7/9] usb: ehci: add big-endian registers support Antony Pavlov
2015-08-28  6:19   ` Sascha Hauer
2015-08-28 15:49     ` Antony Pavlov
2015-08-27 22:24 ` Antony Pavlov [this message]
2015-08-27 22:24 ` [RFC 9/9] MIPS: tplink-mr3020_defconfig: enable usb stuff Antony Pavlov

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