From patchwork Wed May 20 23:58:20 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: vikram pandita X-Patchwork-Id: 25135 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n4KNw6IY018408 for ; Wed, 20 May 2009 23:58:32 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754117AbZETX62 (ORCPT ); Wed, 20 May 2009 19:58:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754905AbZETX62 (ORCPT ); Wed, 20 May 2009 19:58:28 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:43139 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754117AbZETX62 convert rfc822-to-8bit (ORCPT ); Wed, 20 May 2009 19:58:28 -0400 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id n4KNwNXn001988 for ; Wed, 20 May 2009 18:58:29 -0500 Received: from dbde70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id n4KNwMjT008750 for ; Thu, 21 May 2009 05:28:22 +0530 (IST) Received: from dbde02.ent.ti.com ([172.24.170.145]) by dbde70.ent.ti.com ([172.24.170.148]) with mapi; Thu, 21 May 2009 05:28:22 +0530 From: "Pandita, Vikram" To: "linux-omap@vger.kernel.org" Date: Thu, 21 May 2009 05:28:20 +0530 Subject: [PATCH v4 1/3] OMAP3:zoom2: Add support for OMAP3 Zoom2 board Thread-Topic: [PATCH v4 1/3] OMAP3:zoom2: Add support for OMAP3 Zoom2 board Thread-Index: AcnZpoApiLLT613KTBufunwBZXOMtgAAExEg Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Vikram Pandita This patch creates the minimal OMAP3 Zoom2 board support. Signed-off-by: Mikkel Christensen Signed-off-by: Vikram Pandita Acked-by: Kevin Hilman --- arch/arm/mach-omap2/board-zoom-debugboard.c | 160 +++++++++++++++++++++++++++ arch/arm/mach-omap2/board-zoom2.c | 110 ++++++++++++++++++ 2 files changed, 270 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-omap2/board-zoom-debugboard.c create mode 100644 arch/arm/mach-omap2/board-zoom2.c diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c new file mode 100644 index 0000000..91f07c1 --- /dev/null +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2009 Texas Instruments Inc. + * Mikkel Christensen + * + * 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 +#include +#include +#include + +#include +#include + +#define ZOOM2_SMSC911X_CS 7 +#define ZOOM2_SMSC911X_GPIO 158 +#define ZOOM2_QUADUART_CS 3 +#define ZOOM2_QUADUART_GPIO 102 +#define QUART_CLK 1843200 +#define DEBUG_BASE 0x08000000 +#define ZOOM2_ETHR_START DEBUG_BASE + +static struct resource zoom2_smsc911x_resources[] = { + [0] = { + .start = ZOOM2_ETHR_START, + .end = ZOOM2_ETHR_START + SZ_4K, + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct smsc911x_platform_config zoom2_smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_32BIT, + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device zoom2_smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(zoom2_smsc911x_resources), + .resource = zoom2_smsc911x_resources, + .dev = { + .platform_data = &zoom2_smsc911x_config, + }, +}; + +static inline void __init zoom2_init_smsc911x(void) +{ + int eth_cs; + unsigned long cs_mem_base; + int eth_gpio = 0; + + eth_cs = ZOOM2_SMSC911X_CS; + + if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n"); + return; + } + + zoom2_smsc911x_resources[0].start = cs_mem_base + 0x0; + zoom2_smsc911x_resources[0].end = cs_mem_base + 0xff; + + eth_gpio = ZOOM2_SMSC911X_GPIO; + + zoom2_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio); + + if (gpio_request(eth_gpio, "smsc911x irq") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", + eth_gpio); + return; + } + gpio_direction_input(eth_gpio); +} + +static struct plat_serial8250_port serial_platform_data[] = { + { + .mapbase = 0x10000000, + .irq = OMAP_GPIO_IRQ(102), + .flags = UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ, + .iotype = UPIO_MEM, + .regshift = 1, + .uartclk = QUART_CLK, + }, { + .flags = 0 + } +}; + +static struct platform_device zoom2_debugboard_serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM1, + .dev = { + .platform_data = serial_platform_data, + }, +}; + +static inline void __init zoom2_init_quaduart(void) +{ + int quart_cs; + unsigned long cs_mem_base; + int quart_gpio = 0; + + quart_cs = ZOOM2_QUADUART_CS; + + if (gpmc_cs_request(quart_cs, SZ_1M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem" + "for Quad UART(TL16CP754C)\n"); + return; + } + + quart_gpio = ZOOM2_QUADUART_GPIO; + + if (gpio_request(quart_gpio, "TL16CP754C GPIO") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for TL16CP754C\n", + quart_gpio); + return; + } + gpio_direction_input(quart_gpio); +} + +static inline int omap_zoom2_debugboard_detect(void) +{ + int debug_board_detect = 0; + + debug_board_detect = ZOOM2_SMSC911X_GPIO; + + if (gpio_request(debug_board_detect, "Zoom2 debug board detect") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for Zoom2 debug" + "board detect\n", debug_board_detect); + return 0; + } + gpio_direction_input(debug_board_detect); + + if (!gpio_get_value(debug_board_detect)) { + gpio_free(debug_board_detect); + return 0; + } + return 1; +} + +static struct platform_device *zoom2_devices[] __initdata = { + &zoom2_smsc911x_device, + &zoom2_debugboard_serial_device, +}; + +int __init omap_zoom2_debugboard_init(void) +{ + if (!omap_zoom2_debugboard_detect()) + return 0; + + zoom2_init_smsc911x(); + zoom2_init_quaduart(); + return platform_add_devices(zoom2_devices, ARRAY_SIZE(zoom2_devices)); +} diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c new file mode 100644 index 0000000..8535c3a --- /dev/null +++ b/arch/arm/mach-omap2/board-zoom2.c @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2009 Texas Instruments Inc. + * Mikkel Christensen + * + * Modified from mach-omap2/board-ldp.c + * + * 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 +#include +#include +#include + +#include +#include + +#include +#include +#include + +#include "mmc-twl4030.h" + +static void __init omap_zoom2_init_irq(void) +{ + omap2_init_common_hw(NULL); + omap_init_irq(); + omap_gpio_init(); +} + +static struct omap_uart_config zoom2_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static struct omap_board_config_kernel zoom2_config[] __initdata = { + { OMAP_TAG_UART, &zoom2_uart_config }, +}; + +static struct twl4030_gpio_platform_data zoom2_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, +}; + +static struct twl4030_platform_data zoom2_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .gpio = &zoom2_gpio_data, +}; + +static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &zoom2_twldata, + }, +}; + +static int __init omap_i2c_init(void) +{ + omap_register_i2c_bus(1, 2600, zoom2_i2c_boardinfo, + ARRAY_SIZE(zoom2_i2c_boardinfo)); + omap_register_i2c_bus(2, 400, NULL, 0); + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; +} + +static struct twl4030_hsmmc_info mmc[] __initdata = { + { + .mmc = 1, + .wires = 4, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + }, + {} /* Terminator */ +}; + +extern int __init omap_zoom2_debugboard_init(void); + +static void __init omap_zoom2_init(void) +{ + omap_i2c_init(); + omap_board_config = zoom2_config; + omap_board_config_size = ARRAY_SIZE(zoom2_config); + omap_serial_init(); + omap_zoom2_debugboard_init(); + twl4030_mmc_init(mmc); + usb_musb_init(); +} + +static void __init omap_zoom2_map_io(void) +{ + omap2_set_globals_343x(); + omap2_map_common_io(); +} + +MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board") + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap_zoom2_map_io, + .init_irq = omap_zoom2_init_irq, + .init_machine = omap_zoom2_init, + .timer = &omap_timer, +MACHINE_END