From patchwork Fri Aug 17 18:19:22 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Sealey X-Patchwork-Id: 178299 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id D46DD2C00A1 for ; Sat, 18 Aug 2012 04:20:48 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4693628370; Fri, 17 Aug 2012 20:20:41 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7c4-boLWx1Fs; Fri, 17 Aug 2012 20:20:40 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 60B492838F; Fri, 17 Aug 2012 20:20:19 +0200 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<1345227562-11502-1-git-send-email-matt@genesi-usa.com> X-Gm-Message-State: ALoCoQkg2LR3amm44Gh8O+m9AzHQk8hSIEoMPCYQPRFJ0mqTNVmUN5g5yX5BL4w5ZNJwtWISVLUj Cc: Steev Klimaszewski Subject: [U-Boot] [PATCH 4/4] efikamx: port USB setup to new iomux model X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de * Add required pin data to iomux-mx51.h * Port old iomux model to new iomux-v3 model * Remove some needless code * Function renames for readability Signed-off-by: Matt Sealey --- arch/arm/include/asm/arch-mx5/iomux-mx51.h | 28 +++++ board/genesi/mx51_efikamx/efikamx-usb.c | 159 +++++++++++++--------------- board/genesi/mx51_efikamx/efikamx.c | 6 +- 3 files changed, 104 insertions(+), 89 deletions(-) diff --git a/arch/arm/include/asm/arch-mx5/iomux-mx51.h b/arch/arm/include/asm/arch-mx5/iomux-mx51.h index f944c13..0a99ae4 100644 --- a/arch/arm/include/asm/arch-mx5/iomux-mx51.h +++ b/arch/arm/include/asm/arch-mx5/iomux-mx51.h @@ -79,6 +79,20 @@ /* PAD MUX ALT INPSE PATH PADCTRL */ enum { + MX51_PAD_EIM_D16__USBH2_DATA0 = IOMUX_PAD(0x3f0, 0x05c, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D17__USBH2_DATA1 = IOMUX_PAD(0x3f4, 0x060, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D18__USBH2_DATA2 = IOMUX_PAD(0x3f8, 0x064, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D19__USBH2_DATA3 = IOMUX_PAD(0x3fc, 0x068, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D20__USBH2_DATA4 = IOMUX_PAD(0x400, 0x06c, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D21__USBH2_DATA5 = IOMUX_PAD(0x404, 0x070, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D22__USBH2_DATA6 = IOMUX_PAD(0x408, 0x074, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D23__USBH2_DATA7 = IOMUX_PAD(0x40c, 0x078, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_D27__GPIO2_9 = IOMUX_PAD(0x41c, 0x088, 1, __NA_, 0, MX51_GPIO_PAD_CTRL), + MX51_PAD_EIM_A24__USBH2_CLK = IOMUX_PAD(0x450, 0x0bc, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_A25__USBH2_DIR = IOMUX_PAD(0x454, 0x0c0, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_A26__GPIO2_20 = IOMUX_PAD(0x458, 0x0c4, 1, __NA_, 0, MX51_GPIO_PAD_CTRL), + MX51_PAD_EIM_A26__USBH2_STP = IOMUX_PAD(0x458, 0x0c4, 2, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_EIM_A27__USBH2_NXT = IOMUX_PAD(0x45c, 0x0c8, 2, __NA_, 0, NO_PAD_CTRL), MX51_PAD_EIM_CS0__GPIO2_25 = IOMUX_PAD(0x474, 0x0e0, 1, __NA_, 0, MX51_GPIO_PAD_CTRL), MX51_PAD_EIM_CS2__SD1_CD = IOMUX_PAD(0x47c, 0x0e8, 1, __NA_, 0, MX51_ESDHC_PAD_CTRL), MX51_PAD_EIM_CS3__GPIO2_28 = IOMUX_PAD(0x480, 0x0ec, 1, __NA_, 0, MX51_GPIO_PAD_CTRL), @@ -121,6 +135,19 @@ enum { MX51_PAD_UART1_TXD__UART1_TXD = IOMUX_PAD(0x61c, 0x22c, 0, __NA_, 0, MX51_UART_PAD_CTRL), MX51_PAD_UART1_RTS__UART1_RTS = IOMUX_PAD(0x620, 0x230, 0, 0x9e0, 0, MX51_UART_PAD_CTRL), MX51_PAD_UART1_CTS__UART1_CTS = IOMUX_PAD(0x624, 0x234, 0, __NA_, 0, MX51_UART_PAD_CTRL), + MX51_PAD_USBH1_CLK__USBH1_CLK = IOMUX_PAD(0x678, 0x278, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DIR__USBH1_DIR = IOMUX_PAD(0x67c, 0x27c, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_STP__USBH1_STP = IOMUX_PAD(0x680, 0x280, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_STP__GPIO1_27 = IOMUX_PAD(0x680, 0x280, 2, __NA_, 0, MX51_GPIO_PAD_CTRL), + MX51_PAD_USBH1_NXT__USBH1_NXT = IOMUX_PAD(0x684, 0x284, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA0__USBH1_DATA0 = IOMUX_PAD(0x688, 0x288, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA1__USBH1_DATA1 = IOMUX_PAD(0x68c, 0x28c, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA2__USBH1_DATA2 = IOMUX_PAD(0x690, 0x290, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA3__USBH1_DATA3 = IOMUX_PAD(0x694, 0x294, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA4__USBH1_DATA4 = IOMUX_PAD(0x698, 0x298, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA5__USBH1_DATA5 = IOMUX_PAD(0x69c, 0x29c, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA6__USBH1_DATA6 = IOMUX_PAD(0x6a0, 0x2a0, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), + MX51_PAD_USBH1_DATA7__USBH1_DATA7 = IOMUX_PAD(0x6a4, 0x2a4, 0, __NA_, 0, MX51_USBH1_PAD_CTRL), MX51_PAD_SD1_CMD__SD1_CMD = IOMUX_PAD(0x79c, 0x394, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL), MX51_PAD_SD1_CLK__SD1_CLK = IOMUX_PAD(0x7a0, 0x398, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL | PAD_CTL_HYS), MX51_PAD_SD1_DATA0__SD1_DATA0 = IOMUX_PAD(0x7a4, 0x39c, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL), @@ -136,6 +163,7 @@ enum { MX51_PAD_SD2_DATA2__SD2_DATA2 = IOMUX_PAD(0x7cc, 0x3c4, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL), MX51_PAD_SD2_DATA3__SD2_DATA3 = IOMUX_PAD(0x7d0, 0x3c8, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL), MX51_PAD_GPIO1_3__GPIO1_3 = IOMUX_PAD(0x7d8, 0x3d0, 0, __NA_, 0, MX51_GPIO_PAD_CTRL), + MX51_PAD_GPIO1_5__GPIO1_5 = IOMUX_PAD(0x808, 0x3dc, 0, __NA_, 0, MX51_GPIO_PAD_CTRL), MX51_PAD_GPIO1_6__GPIO1_6 = IOMUX_PAD(0x80c, 0x3e0, 0, __NA_, 0, MX51_GPIO_PAD_CTRL), MX51_PAD_GPIO1_7__SD2_WP = IOMUX_PAD(0x810, 0x3e4, 6, __NA_, 0, MX51_ESDHC_PAD_CTRL), MX51_PAD_GPIO1_8__SD2_CD = IOMUX_PAD(0x814, 0x3e8, 6, __NA_, 0, MX51_ESDHC_PAD_CTRL), diff --git a/board/genesi/mx51_efikamx/efikamx-usb.c b/board/genesi/mx51_efikamx/efikamx-usb.c index e9273d0..0935c38 100644 --- a/board/genesi/mx51_efikamx/efikamx-usb.c +++ b/board/genesi/mx51_efikamx/efikamx-usb.c @@ -1,7 +1,7 @@ /* + * Copyright (C) 2009 Freescale Semiconductor, Inc. * Copyright (C) 2010 Marek Vasut - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. + * Copyright (C) 2009-2012 Genesi USA, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -25,9 +25,7 @@ #include #include #include -#include -#include -#include +#include #include #include #include @@ -35,103 +33,93 @@ #include "../../../drivers/usb/host/ehci.h" -/* USB pin configuration */ -#define USB_PAD_CONFIG (PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST | \ - PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | \ - PAD_CTL_HYS_ENABLE | PAD_CTL_PUE_PULL) - -/* - * Configure the USB H1 and USB H2 IOMUX - */ -void setup_iomux_usb(void) +static iomux_v3_cfg_t efikamx_usbh1_pads[] = { + MX51_PAD_USBH1_CLK__USBH1_CLK, + MX51_PAD_USBH1_DIR__USBH1_DIR, + MX51_PAD_USBH1_STP__USBH1_STP, + MX51_PAD_USBH1_NXT__USBH1_NXT, + MX51_PAD_USBH1_DATA0__USBH1_DATA0, + MX51_PAD_USBH1_DATA1__USBH1_DATA1, + MX51_PAD_USBH1_DATA2__USBH1_DATA2, + MX51_PAD_USBH1_DATA3__USBH1_DATA3, + MX51_PAD_USBH1_DATA4__USBH1_DATA4, + MX51_PAD_USBH1_DATA5__USBH1_DATA5, + MX51_PAD_USBH1_DATA6__USBH1_DATA6, + MX51_PAD_USBH1_DATA7__USBH1_DATA7, +}; + +static iomux_v3_cfg_t efikasb_usbh2_pads[] = { + MX51_PAD_EIM_A24__USBH2_CLK, + MX51_PAD_EIM_A25__USBH2_DIR, + MX51_PAD_EIM_A26__USBH2_STP, + MX51_PAD_EIM_A27__USBH2_NXT, + MX51_PAD_EIM_D16__USBH2_DATA0, + MX51_PAD_EIM_D17__USBH2_DATA1, + MX51_PAD_EIM_D18__USBH2_DATA2, + MX51_PAD_EIM_D19__USBH2_DATA3, + MX51_PAD_EIM_D20__USBH2_DATA4, + MX51_PAD_EIM_D21__USBH2_DATA5, + MX51_PAD_EIM_D22__USBH2_DATA6, + MX51_PAD_EIM_D23__USBH2_DATA7, +}; + +static iomux_v3_cfg_t efikamx_usbctrl_pads[] = { + MX51_PAD_EIM_D27__GPIO2_9, + MX51_PAD_GPIO1_5__GPIO1_5, +}; + +#define EFIKAMX_USB_HUB_RESET GPIO_NUMBER(1, 5) +#define EFIKAMX_USB_PHY_RESET GPIO_NUMBER(2, 9) + +void efikamx_usb_setup_pads(void) { - setup_iomux_usb_h1(); - - if (machine_is_efikasb()) - setup_iomux_usb_h2(); - - /* USB PHY reset */ - mxc_request_iomux(MX51_PIN_EIM_D27, IOMUX_CONFIG_ALT1); - mxc_iomux_set_pad(MX51_PIN_EIM_D27, PAD_CTL_PKE_ENABLE | - PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH); - - /* USB HUB reset */ - mxc_request_iomux(MX51_PIN_GPIO1_5, IOMUX_CONFIG_ALT0); - mxc_iomux_set_pad(MX51_PIN_GPIO1_5, PAD_CTL_PKE_ENABLE | - PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH); - - /* WIFI EN (act low) */ - mxc_request_iomux(MX51_PIN_EIM_A22, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_A22, 0); - /* WIFI RESET */ - mxc_request_iomux(MX51_PIN_EIM_A16, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_A16, 0); - /* BT EN (act low) */ - mxc_request_iomux(MX51_PIN_EIM_A17, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_A17, 0); -} + imx_iomux_v3_setup_multiple_pads(efikamx_usbh1_pads, ARRAY_SIZE(efikamx_usbh1_pads)); -/* - * Enable devices connected to USB BUSes - */ -static void efika_usb_enable_devices(void) -{ - /* Enable Bluetooth */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 0); - udelay(10000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A17), 1); - - /* Enable WiFi */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A22), 1); - udelay(10000); + if (machine_is_efikasb()) { + imx_iomux_v3_setup_multiple_pads(efikasb_usbh2_pads, ARRAY_SIZE(efikasb_usbh2_pads)); + } - /* Reset the WiFi chip */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_A16), 0); - udelay(10000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_A16), 1); + imx_iomux_v3_setup_multiple_pads(efikamx_usbctrl_pads, ARRAY_SIZE(efikamx_usbctrl_pads)); } /* * Reset USB HUB (or HUBs on EfikaSB) */ -static void efika_usb_hub_reset(void) +static void efikamx_usb_hub_reset(void) { - /* HUB reset */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1); + gpio_direction_output(EFIKAMX_USB_HUB_RESET, 1); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 0); + gpio_set_value(EFIKAMX_USB_HUB_RESET, 0); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), 1); + gpio_set_value(EFIKAMX_USB_HUB_RESET, 1); } /* * Reset USB PHY (or PHYs on EfikaSB) */ -static void efika_usb_phy_reset(void) +static void efikamx_usb_phy_reset(void) { /* SMSC 3317 PHY reset */ - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_D27), 0); + gpio_direction_output(EFIKAMX_USB_PHY_RESET, 0); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_D27), 1); + gpio_set_value(EFIKAMX_USB_PHY_RESET, 1); } -static void efika_ehci_init(struct usb_ehci *ehci, uint32_t stp_gpio, - uint32_t alt0, uint32_t alt1) +static void efikamx_usb_init(struct usb_ehci *ehci, + iomux_v3_cfg_t stp_pad, + iomux_v3_cfg_t gpio_pad, + u32 gpio_nr) { int ret; struct ulpi_regs *ulpi = (struct ulpi_regs *)0; struct ulpi_viewport ulpi_vp; - mxc_request_iomux(stp_gpio, alt0); - mxc_iomux_set_pad(stp_gpio, PAD_CTL_DRV_HIGH | - PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); - gpio_direction_output(IOMUX_TO_GPIO(stp_gpio), 0); + imx_iomux_v3_setup_pad(gpio_pad); + gpio_direction_output(gpio_nr, 0); udelay(1000); - gpio_set_value(IOMUX_TO_GPIO(stp_gpio), 1); + gpio_set_value(gpio_nr, 1); udelay(1000); - - mxc_request_iomux(stp_gpio, alt1); - mxc_iomux_set_pad(stp_gpio, USB_PAD_CONFIG); + imx_iomux_v3_setup_pad(stp_pad); udelay(10000); ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint; @@ -159,18 +147,18 @@ static void efika_ehci_init(struct usb_ehci *ehci, uint32_t stp_gpio, /* * Set VBusChrg * - * NOTE: This violates USB specification, but otherwise, USB on Efika + * NOTE: This violates USB specification, but otherwise, USB on Efika MX * doesn't work. */ ulpi_write(&ulpi_vp, &ulpi->otg_ctrl_set, ULPI_OTG_CHRGVBUS); + + mdelay(10); } int board_ehci_hcd_init(int port) { - /* Init iMX51 EHCI */ - efika_usb_phy_reset(); - efika_usb_hub_reset(); - efika_usb_enable_devices(); + efikamx_usb_phy_reset(); + efikamx_usb_hub_reset(); return 0; } @@ -204,13 +192,12 @@ void board_ehci_hcd_postinit(struct usb_ehci *ehci, int port) tmp = (tmp & ~0x3) | 0x01; writel(tmp, OTG_BASE_ADDR + 0x80c); } else if (port == 1) { - efika_ehci_init(ehci, MX51_PIN_USBH1_STP, - IOMUX_CONFIG_ALT2, IOMUX_CONFIG_ALT0); + efikamx_usb_init(ehci, MX51_PAD_USBH1_STP__USBH1_STP, + MX51_PAD_USBH1_STP__GPIO1_27, + GPIO_NUMBER(1, 27)); } else if ((port == 2) && machine_is_efikasb()) { - efika_ehci_init(ehci, MX51_PIN_EIM_A26, - IOMUX_CONFIG_ALT1, IOMUX_CONFIG_ALT2); + efikamx_usb_init(ehci, MX51_PAD_EIM_A26__USBH2_STP, + MX51_PAD_EIM_A26__GPIO2_20, + GPIO_NUMBER(2, 20)); } - - if (port) - mdelay(10); } diff --git a/board/genesi/mx51_efikamx/efikamx.c b/board/genesi/mx51_efikamx/efikamx.c index 16e877f..a22db1e 100644 --- a/board/genesi/mx51_efikamx/efikamx.c +++ b/board/genesi/mx51_efikamx/efikamx.c @@ -402,9 +402,9 @@ static iomux_v3_cfg_t efikamx_pata_pads[] = { * EHCI USB */ #ifdef CONFIG_CMD_USB -extern void setup_iomux_usb(void); +extern void efikamx_usb_setup_pads(void); #else -static inline void setup_iomux_usb(void) { } +static inline void efikamx_usb_setup_pads(void) { } #endif /* @@ -484,7 +484,7 @@ int board_late_init(void) power_init(); imx_iomux_v3_setup_multiple_pads(efikamx_pata_pads, ARRAY_SIZE(efikamx_pata_pads)); - setup_iomux_usb(); + efikamx_usb_setup_pads(); if (machine_is_efikasb()) setenv("preboot", "usb reset ; setenv stdin usbkbd\0");