diff options
Diffstat (limited to 'arch/arm/mach-msm/board-msm7x30.c')
| -rw-r--r-- | arch/arm/mach-msm/board-msm7x30.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c new file mode 100644 index 00000000000..245884319d2 --- /dev/null +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -0,0 +1,191 @@ +/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ +#include <linux/gpio.h> +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/smsc911x.h> +#include <linux/usb/msm_hsusb.h> +#include <linux/clkdev.h> +#include <linux/memblock.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/memory.h> +#include <asm/setup.h> + +#include <mach/clk.h> +#include <mach/msm_iomap.h> +#include <mach/dma.h> + +#include <mach/vreg.h> +#include "devices.h" +#include "gpiomux.h" +#include "proc_comm.h" +#include "common.h" + +static void __init msm7x30_fixup(struct tag *tag, char **cmdline) +{ + for (; tag->hdr.size; tag = tag_next(tag)) + if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) { + tag->u.mem.start = 0; + tag->u.mem.size += SZ_2M; + } +} + +static void __init msm7x30_reserve(void) +{ + memblock_remove(0x0, SZ_2M); +} + +static int hsusb_phy_init_seq[] = { + 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */ + 0x02, 0x36, /* Disable CDR Auto Reset feature */ + -1 +}; + +static int hsusb_link_clk_reset(struct clk *link_clk, bool assert) +{ + int ret; + + if (assert) { + ret = clk_reset(link_clk, CLK_RESET_ASSERT); + if (ret) + pr_err("usb hs_clk assert failed\n"); + } else { + ret = clk_reset(link_clk, CLK_RESET_DEASSERT); + if (ret) + pr_err("usb hs_clk deassert failed\n"); + } + return ret; +} + +static int hsusb_phy_clk_reset(struct clk *phy_clk) +{ + int ret; + + ret = clk_reset(phy_clk, CLK_RESET_ASSERT); + if (ret) { + pr_err("usb phy clk assert failed\n"); + return ret; + } + usleep_range(10000, 12000); + ret = clk_reset(phy_clk, CLK_RESET_DEASSERT); + if (ret) + pr_err("usb phy clk deassert failed\n"); + return ret; +} + +static struct msm_otg_platform_data msm_otg_pdata = { + .phy_init_seq = hsusb_phy_init_seq, + .mode = USB_DR_MODE_PERIPHERAL, + .otg_control = OTG_PHY_CONTROL, + .link_clk_reset = hsusb_link_clk_reset, + .phy_clk_reset = hsusb_phy_clk_reset, +}; + +struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = { +#ifdef CONFIG_SERIAL_MSM_CONSOLE + [49] = { /* UART2 RFR */ + .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN | + GPIOMUX_FUNC_2 | GPIOMUX_VALID, + }, + [50] = { /* UART2 CTS */ + .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN | + GPIOMUX_FUNC_2 | GPIOMUX_VALID, + }, + [51] = { /* UART2 RX */ + .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN | + GPIOMUX_FUNC_2 | GPIOMUX_VALID, + }, + [52] = { /* UART2 TX */ + .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN | + GPIOMUX_FUNC_2 | GPIOMUX_VALID, + }, +#endif +}; + +static struct platform_device *devices[] __initdata = { + &msm_clock_7x30, + &msm_device_gpio_7x30, +#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER) + &msm_device_uart2, +#endif + &msm_device_smd, + &msm_device_otg, + &msm_device_hsusb, + &msm_device_hsusb_host, +}; + +static void __init msm7x30_init_irq(void) +{ + msm_init_irq(); +} + +static void __init msm7x30_init(void) +{ + msm_device_otg.dev.platform_data = &msm_otg_pdata; + msm_device_hsusb.dev.parent = &msm_device_otg.dev; + msm_device_hsusb_host.dev.parent = &msm_device_otg.dev; + + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +static void __init msm7x30_map_io(void) +{ + msm_map_msm7x30_io(); +} + +static void __init msm7x30_init_late(void) +{ + smd_debugfs_init(); +} + +MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF") + .atag_offset = 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, + .map_io = msm7x30_map_io, + .init_irq = msm7x30_init_irq, + .init_machine = msm7x30_init, + .init_late = msm7x30_init_late, + .init_time = msm7x30_timer_init, +MACHINE_END + +MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA") + .atag_offset = 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, + .map_io = msm7x30_map_io, + .init_irq = msm7x30_init_irq, + .init_machine = msm7x30_init, + .init_late = msm7x30_init_late, + .init_time = msm7x30_timer_init, +MACHINE_END + +MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID") + .atag_offset = 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, + .map_io = msm7x30_map_io, + .init_irq = msm7x30_init_irq, + .init_machine = msm7x30_init, + .init_late = msm7x30_init_late, + .init_time = msm7x30_timer_init, +MACHINE_END |