diff options
Diffstat (limited to 'arch/arm/mach-msm/board-qsd8x50.c')
| -rw-r--r-- | arch/arm/mach-msm/board-qsd8x50.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c new file mode 100644 index 00000000..6a96911b --- /dev/null +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -0,0 +1,209 @@ +/* Copyright (c) 2009-2011, 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/kernel.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/usb/msm_hsusb.h> +#include <linux/err.h> +#include <linux/clkdev.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/io.h> +#include <asm/setup.h> + +#include <mach/board.h> +#include <mach/irqs.h> +#include <mach/sirc.h> +#include <mach/gpio.h> +#include <mach/vreg.h> +#include <mach/mmc.h> + +#include "devices.h" + +extern struct sys_timer msm_timer; + +static const resource_size_t qsd8x50_surf_smc91x_base __initdata = 0x70000300; +static const unsigned qsd8x50_surf_smc91x_gpio __initdata = 156; + +/* Leave smc91x resources empty here, as we'll fill them in + * at run-time: they vary from board to board, and the true + * configuration won't be known until boot. + */ +static struct resource smc91x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static int __init msm_init_smc91x(void) +{ + if (machine_is_qsd8x50_surf()) { + smc91x_resources[0].start = qsd8x50_surf_smc91x_base; + smc91x_resources[0].end = qsd8x50_surf_smc91x_base + 0xff; + smc91x_resources[1].start = + gpio_to_irq(qsd8x50_surf_smc91x_gpio); + smc91x_resources[1].end = + gpio_to_irq(qsd8x50_surf_smc91x_gpio); + platform_device_register(&smc91x_device); + } + + return 0; +} +module_init(msm_init_smc91x); + +static int hsusb_phy_init_seq[] = { + 0x08, 0x31, /* Increase HS Driver Amplitude */ + 0x20, 0x32, /* Enable and set Pre-Emphasis Depth to 10% */ + -1 +}; + +static struct msm_otg_platform_data msm_otg_pdata = { + .phy_init_seq = hsusb_phy_init_seq, + .mode = USB_PERIPHERAL, + .otg_control = OTG_PHY_CONTROL, +}; + +static struct platform_device *devices[] __initdata = { + &msm_device_uart3, + &msm_device_smd, + &msm_device_otg, + &msm_device_hsusb, + &msm_device_hsusb_host, +}; + +static struct msm_mmc_gpio sdc1_gpio_cfg[] = { + {51, "sdc1_dat_3"}, + {52, "sdc1_dat_2"}, + {53, "sdc1_dat_1"}, + {54, "sdc1_dat_0"}, + {55, "sdc1_cmd"}, + {56, "sdc1_clk"} +}; + +static struct vreg *vreg_mmc; +static unsigned long vreg_sts; + +static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd) +{ + int rc = 0; + struct platform_device *pdev; + + pdev = container_of(dv, struct platform_device, dev); + + if (vdd == 0) { + if (!vreg_sts) + return 0; + + clear_bit(pdev->id, &vreg_sts); + + if (!vreg_sts) { + rc = vreg_disable(vreg_mmc); + if (rc) + pr_err("vreg_mmc disable failed for slot " + "%d: %d\n", pdev->id, rc); + } + return 0; + } + + if (!vreg_sts) { + rc = vreg_set_level(vreg_mmc, 2900); + if (rc) + pr_err("vreg_mmc set level failed for slot %d: %d\n", + pdev->id, rc); + rc = vreg_enable(vreg_mmc); + if (rc) + pr_err("vreg_mmc enable failed for slot %d: %d\n", + pdev->id, rc); + } + set_bit(pdev->id, &vreg_sts); + return 0; +} + +static struct msm_mmc_gpio_data sdc1_gpio = { + .gpio = sdc1_gpio_cfg, + .size = ARRAY_SIZE(sdc1_gpio_cfg), +}; + +static struct msm_mmc_platform_data qsd8x50_sdc1_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, + .translate_vdd = msm_sdcc_setup_power, + .gpio_data = &sdc1_gpio, +}; + +static void __init qsd8x50_init_mmc(void) +{ + vreg_mmc = vreg_get(NULL, "gp5"); + + if (IS_ERR(vreg_mmc)) { + pr_err("vreg get for vreg_mmc failed (%ld)\n", + PTR_ERR(vreg_mmc)); + return; + } + + msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0); +} + +static void __init qsd8x50_map_io(void) +{ + msm_map_qsd8x50_io(); + msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50); +} + +static void __init qsd8x50_init_irq(void) +{ + msm_init_irq(); + msm_init_sirc(); +} + +static void __init qsd8x50_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)); + qsd8x50_init_mmc(); +} + +MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF") + .boot_params = PLAT_PHYS_OFFSET + 0x100, + .map_io = qsd8x50_map_io, + .init_irq = qsd8x50_init_irq, + .init_machine = qsd8x50_init, + .timer = &msm_timer, +MACHINE_END + +MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5") + .boot_params = PLAT_PHYS_OFFSET + 0x100, + .map_io = qsd8x50_map_io, + .init_irq = qsd8x50_init_irq, + .init_machine = qsd8x50_init, + .timer = &msm_timer, +MACHINE_END |