diff options
Diffstat (limited to 'arch/arm/mach-msm/board-msm7x30.c')
| -rw-r--r-- | arch/arm/mach-msm/board-msm7x30.c | 136 |
1 files changed, 117 insertions, 19 deletions
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c index 05241df3f9b..245884319d2 100644 --- a/arch/arm/mach-msm/board-msm7x30.c +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -14,36 +14,123 @@ * 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/gpio.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/gpio.h> -#include <mach/board.h> -#include <mach/memory.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; +} -extern struct sys_timer msm_timer; +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) @@ -53,41 +140,52 @@ static void __init msm7x30_init_irq(void) 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(); - msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30); +} + +static void __init msm7x30_init_late(void) +{ + smd_debugfs_init(); } MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF") -#ifdef CONFIG_MSM_DEBUG_UART -#endif - .boot_params = PHYS_OFFSET + 0x100, + .atag_offset = 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, - .timer = &msm_timer, + .init_late = msm7x30_init_late, + .init_time = msm7x30_timer_init, MACHINE_END MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA") -#ifdef CONFIG_MSM_DEBUG_UART -#endif - .boot_params = PHYS_OFFSET + 0x100, + .atag_offset = 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, - .timer = &msm_timer, + .init_late = msm7x30_init_late, + .init_time = msm7x30_timer_init, MACHINE_END MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID") -#ifdef CONFIG_MSM_DEBUG_UART -#endif - .boot_params = PHYS_OFFSET + 0x100, + .atag_offset = 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, - .timer = &msm_timer, + .init_late = msm7x30_init_late, + .init_time = msm7x30_timer_init, MACHINE_END |