diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:15:29 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:15:29 -0800 |
commit | 1c496784a0d317535f846ddb2c93a08ba936266b (patch) | |
tree | 6d0225860032f263b6d95a3e55c364a1a5f55ec1 /arch/arm/mach-omap2/usb-ehci.c | |
parent | adf9904dc774f23f04a5425f0198483ea61f878b (diff) | |
parent | 9a01609e1885b827b979d6d9dd86f43208a9e5fc (diff) |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (149 commits)
arm: omap: Add omap3_defconfig
AM35xx: Defconfig for AM3517 EVM board
AM35xx: Add support for AM3517 EVM board
omap: 3630sdp: defconfig creation
omap: 3630sdp: introduce 3630 sdp board support
omap3: Add defconfig for IGEP v2 board
omap3: Add minimal IGEP v2 support
omap3: Add CompuLab CM-T35 defconfig
omap3: Add CompuLab CM-T35 board support
omap3: rx51: Add wl1251 wlan driver support
omap3: rx51: Add SDRAM init
omap1: Add default kernel configuration for Herald
omap1: Add board support and LCD for HTC Herald
omap: zoom2: update defconfig for LL_DEBUG_NONE
omap: zoom3: defconfig creation
omap3: zoom: Introduce zoom3 board support
omap3: zoom: Drop i2c-1 speed to 2400
omap3: zoom: rename zoom2 name to generic zoom
omap3: zoom: split board file for software reuse
omap3evm: MIgrate to smsc911x ethernet driver
...
Fix trivial conflict (two unrelated config options added next to each
other) in arch/arm/mach-omap2/Makefile
Diffstat (limited to 'arch/arm/mach-omap2/usb-ehci.c')
-rw-r--r-- | arch/arm/mach-omap2/usb-ehci.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c new file mode 100644 index 00000000000..e448abd5ec5 --- /dev/null +++ b/arch/arm/mach-omap2/usb-ehci.c @@ -0,0 +1,192 @@ +/* + * linux/arch/arm/mach-omap2/usb-ehci.c + * + * This file will contain the board specific details for the + * Synopsys EHCI host controller on OMAP3430 + * + * Copyright (C) 2007 Texas Instruments + * Author: Vikram Pandita <vikram.pandita@ti.com> + * + * Generalization by: + * Felipe Balbi <felipe.balbi@nokia.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <asm/io.h> +#include <plat/mux.h> + +#include <mach/hardware.h> +#include <mach/irqs.h> +#include <plat/usb.h> + +#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) + +static struct resource ehci_resources[] = { + { + .start = OMAP34XX_EHCI_BASE, + .end = OMAP34XX_EHCI_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP34XX_UHH_CONFIG_BASE, + .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP34XX_USBTLL_BASE, + .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { /* general IRQ */ + .start = INT_34XX_EHCI_IRQ, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 ehci_dmamask = ~(u32)0; +static struct platform_device ehci_device = { + .name = "ehci-omap", + .id = 0, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = NULL, + }, + .num_resources = ARRAY_SIZE(ehci_resources), + .resource = ehci_resources, +}; + +/* MUX settings for EHCI pins */ +/* + * setup_ehci_io_mux - initialize IO pad mux for USBHOST + */ +static void setup_ehci_io_mux(enum ehci_hcd_omap_mode *port_mode) +{ + switch (port_mode[0]) { + case EHCI_HCD_OMAP_MODE_PHY: + omap_cfg_reg(Y9_3430_USB1HS_PHY_STP); + omap_cfg_reg(Y8_3430_USB1HS_PHY_CLK); + omap_cfg_reg(AA14_3430_USB1HS_PHY_DIR); + omap_cfg_reg(AA11_3430_USB1HS_PHY_NXT); + omap_cfg_reg(W13_3430_USB1HS_PHY_DATA0); + omap_cfg_reg(W12_3430_USB1HS_PHY_DATA1); + omap_cfg_reg(W11_3430_USB1HS_PHY_DATA2); + omap_cfg_reg(Y11_3430_USB1HS_PHY_DATA3); + omap_cfg_reg(W9_3430_USB1HS_PHY_DATA4); + omap_cfg_reg(Y12_3430_USB1HS_PHY_DATA5); + omap_cfg_reg(W8_3430_USB1HS_PHY_DATA6); + omap_cfg_reg(Y13_3430_USB1HS_PHY_DATA7); + break; + case EHCI_HCD_OMAP_MODE_TLL: + omap_cfg_reg(Y9_3430_USB1HS_TLL_STP); + omap_cfg_reg(Y8_3430_USB1HS_TLL_CLK); + omap_cfg_reg(AA14_3430_USB1HS_TLL_DIR); + omap_cfg_reg(AA11_3430_USB1HS_TLL_NXT); + omap_cfg_reg(W13_3430_USB1HS_TLL_DATA0); + omap_cfg_reg(W12_3430_USB1HS_TLL_DATA1); + omap_cfg_reg(W11_3430_USB1HS_TLL_DATA2); + omap_cfg_reg(Y11_3430_USB1HS_TLL_DATA3); + omap_cfg_reg(W9_3430_USB1HS_TLL_DATA4); + omap_cfg_reg(Y12_3430_USB1HS_TLL_DATA5); + omap_cfg_reg(W8_3430_USB1HS_TLL_DATA6); + omap_cfg_reg(Y13_3430_USB1HS_TLL_DATA7); + break; + case EHCI_HCD_OMAP_MODE_UNKNOWN: + /* FALLTHROUGH */ + default: + break; + } + + switch (port_mode[1]) { + case EHCI_HCD_OMAP_MODE_PHY: + omap_cfg_reg(AA10_3430_USB2HS_PHY_STP); + omap_cfg_reg(AA8_3430_USB2HS_PHY_CLK); + omap_cfg_reg(AA9_3430_USB2HS_PHY_DIR); + omap_cfg_reg(AB11_3430_USB2HS_PHY_NXT); + omap_cfg_reg(AB10_3430_USB2HS_PHY_DATA0); + omap_cfg_reg(AB9_3430_USB2HS_PHY_DATA1); + omap_cfg_reg(W3_3430_USB2HS_PHY_DATA2); + omap_cfg_reg(T4_3430_USB2HS_PHY_DATA3); + omap_cfg_reg(T3_3430_USB2HS_PHY_DATA4); + omap_cfg_reg(R3_3430_USB2HS_PHY_DATA5); + omap_cfg_reg(R4_3430_USB2HS_PHY_DATA6); + omap_cfg_reg(T2_3430_USB2HS_PHY_DATA7); + break; + case EHCI_HCD_OMAP_MODE_TLL: + omap_cfg_reg(AA10_3430_USB2HS_TLL_STP); + omap_cfg_reg(AA8_3430_USB2HS_TLL_CLK); + omap_cfg_reg(AA9_3430_USB2HS_TLL_DIR); + omap_cfg_reg(AB11_3430_USB2HS_TLL_NXT); + omap_cfg_reg(AB10_3430_USB2HS_TLL_DATA0); + omap_cfg_reg(AB9_3430_USB2HS_TLL_DATA1); + omap_cfg_reg(W3_3430_USB2HS_TLL_DATA2); + omap_cfg_reg(T4_3430_USB2HS_TLL_DATA3); + omap_cfg_reg(T3_3430_USB2HS_TLL_DATA4); + omap_cfg_reg(R3_3430_USB2HS_TLL_DATA5); + omap_cfg_reg(R4_3430_USB2HS_TLL_DATA6); + omap_cfg_reg(T2_3430_USB2HS_TLL_DATA7); + break; + case EHCI_HCD_OMAP_MODE_UNKNOWN: + /* FALLTHROUGH */ + default: + break; + } + + switch (port_mode[2]) { + case EHCI_HCD_OMAP_MODE_PHY: + printk(KERN_WARNING "Port3 can't be used in PHY mode\n"); + break; + case EHCI_HCD_OMAP_MODE_TLL: + omap_cfg_reg(AB3_3430_USB3HS_TLL_STP); + omap_cfg_reg(AA6_3430_USB3HS_TLL_CLK); + omap_cfg_reg(AA3_3430_USB3HS_TLL_DIR); + omap_cfg_reg(Y3_3430_USB3HS_TLL_NXT); + omap_cfg_reg(AA5_3430_USB3HS_TLL_DATA0); + omap_cfg_reg(Y4_3430_USB3HS_TLL_DATA1); + omap_cfg_reg(Y5_3430_USB3HS_TLL_DATA2); + omap_cfg_reg(W5_3430_USB3HS_TLL_DATA3); + omap_cfg_reg(AB12_3430_USB3HS_TLL_DATA4); + omap_cfg_reg(AB13_3430_USB3HS_TLL_DATA5); + omap_cfg_reg(AA13_3430_USB3HS_TLL_DATA6); + omap_cfg_reg(AA12_3430_USB3HS_TLL_DATA7); + break; + case EHCI_HCD_OMAP_MODE_UNKNOWN: + /* FALLTHROUGH */ + default: + break; + } + + return; +} + +void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata) +{ + platform_device_add_data(&ehci_device, pdata, sizeof(*pdata)); + + /* Setup Pin IO MUX for EHCI */ + if (cpu_is_omap34xx()) + setup_ehci_io_mux(pdata->port_mode); + + if (platform_device_register(&ehci_device) < 0) { + printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n"); + return; + } +} + +#else + +void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata) + +{ +} + +#endif /* CONFIG_USB_EHCI_HCD */ + |