diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/usb/host/ehci-marvell.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/host/ehci-marvell.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/usb/host/ehci-marvell.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/host/ehci-marvell.c b/qemu/roms/u-boot/drivers/usb/host/ehci-marvell.c new file mode 100644 index 000000000..52c43fdc5 --- /dev/null +++ b/qemu/roms/u-boot/drivers/usb/host/ehci-marvell.c @@ -0,0 +1,100 @@ +/* + * (C) Copyright 2009 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <usb.h> +#include "ehci.h" +#include <asm/arch/cpu.h> + +#if defined(CONFIG_KIRKWOOD) +#include <asm/arch/kirkwood.h> +#elif defined(CONFIG_ORION5X) +#include <asm/arch/orion5x.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +#define rdl(off) readl(MVUSB0_BASE + (off)) +#define wrl(off, val) writel((val), MVUSB0_BASE + (off)) + +#define USB_WINDOW_CTRL(i) (0x320 + ((i) << 4)) +#define USB_WINDOW_BASE(i) (0x324 + ((i) << 4)) +#define USB_TARGET_DRAM 0x0 + +/* + * USB 2.0 Bridge Address Decoding registers setup + */ +static void usb_brg_adrdec_setup(void) +{ + int i; + u32 size, base, attrib; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + + /* Enable DRAM bank */ + switch (i) { + case 0: + attrib = MVUSB0_CPU_ATTR_DRAM_CS0; + break; + case 1: + attrib = MVUSB0_CPU_ATTR_DRAM_CS1; + break; + case 2: + attrib = MVUSB0_CPU_ATTR_DRAM_CS2; + break; + case 3: + attrib = MVUSB0_CPU_ATTR_DRAM_CS3; + break; + default: + /* invalide bank, disable access */ + attrib = 0; + break; + } + + size = gd->bd->bi_dram[i].size; + base = gd->bd->bi_dram[i].start; + if ((size) && (attrib)) + wrl(USB_WINDOW_CTRL(i), + MVCPU_WIN_CTRL_DATA(size, USB_TARGET_DRAM, + attrib, MVCPU_WIN_ENABLE)); + else + wrl(USB_WINDOW_CTRL(i), MVCPU_WIN_DISABLE); + + wrl(USB_WINDOW_BASE(i), base); + } +} + +/* + * Create the appropriate control structures to manage + * a new EHCI host controller. + */ +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + usb_brg_adrdec_setup(); + + *hccr = (struct ehci_hccr *)(MVUSB0_BASE + 0x100); + *hcor = (struct ehci_hcor *)((uint32_t) *hccr + + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); + + debug("ehci-marvell: init hccr %x and hcor %x hc_length %d\n", + (uint32_t)*hccr, (uint32_t)*hcor, + (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); + + return 0; +} + +/* + * Destroy the appropriate control structures corresponding + * the the EHCI host controller. + */ +int ehci_hcd_stop(int index) +{ + return 0; +} |