diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-omapl138-hawk.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-omapl138-hawk.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c deleted file mode 100644 index b8c20de10ca2..000000000000 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * Hawkboard.org based on TI's OMAP-L138 Platform - * - * Initial code: Syed Mohammed Khasim - * - * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of - * any kind, whether express or implied. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/gpio.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include <mach/cp_intc.h> -#include <mach/da8xx.h> -#include <mach/mux.h> - -#define HAWKBOARD_PHY_ID "davinci_mdio-0:07" -#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12) -#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13) - -#define DA850_USB1_VBUS_PIN GPIO_TO_PIN(2, 4) -#define DA850_USB1_OC_PIN GPIO_TO_PIN(6, 13) - -static short omapl138_hawk_mii_pins[] __initdata = { - DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, - DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, - DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, - DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, - DA850_MDIO_D, - -1 -}; - -static __init void omapl138_hawk_config_emac(void) -{ - void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG); - int ret; - u32 val; - struct davinci_soc_info *soc_info = &davinci_soc_info; - - val = __raw_readl(cfgchip3); - val &= ~BIT(8); - ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins); - if (ret) { - pr_warn("%s: CPGMAC/MII mux setup failed: %d\n", __func__, ret); - return; - } - - /* configure the CFGCHIP3 register for MII */ - __raw_writel(val, cfgchip3); - pr_info("EMAC: MII PHY configured\n"); - - soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID; - - ret = da8xx_register_emac(); - if (ret) - pr_warn("%s: EMAC registration failed: %d\n", __func__, ret); -} - -/* - * The following EDMA channels/slots are not being used by drivers (for - * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard, - * hence they are being reserved for codecs on the DSP side. - */ -static const s16 da850_dma0_rsv_chans[][2] = { - /* (offset, number) */ - { 8, 6}, - {24, 4}, - {30, 2}, - {-1, -1} -}; - -static const s16 da850_dma0_rsv_slots[][2] = { - /* (offset, number) */ - { 8, 6}, - {24, 4}, - {30, 50}, - {-1, -1} -}; - -static const s16 da850_dma1_rsv_chans[][2] = { - /* (offset, number) */ - { 0, 28}, - {30, 2}, - {-1, -1} -}; - -static const s16 da850_dma1_rsv_slots[][2] = { - /* (offset, number) */ - { 0, 28}, - {30, 90}, - {-1, -1} -}; - -static struct edma_rsv_info da850_edma_cc0_rsv = { - .rsv_chans = da850_dma0_rsv_chans, - .rsv_slots = da850_dma0_rsv_slots, -}; - -static struct edma_rsv_info da850_edma_cc1_rsv = { - .rsv_chans = da850_dma1_rsv_chans, - .rsv_slots = da850_dma1_rsv_slots, -}; - -static struct edma_rsv_info *da850_edma_rsv[2] = { - &da850_edma_cc0_rsv, - &da850_edma_cc1_rsv, -}; - -static const short hawk_mmcsd0_pins[] = { - DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2, - DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD, - DA850_GPIO3_12, DA850_GPIO3_13, - -1 -}; - -static int da850_hawk_mmc_get_ro(int index) -{ - return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN); -} - -static int da850_hawk_mmc_get_cd(int index) -{ - return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN); -} - -static struct davinci_mmc_config da850_mmc_config = { - .get_ro = da850_hawk_mmc_get_ro, - .get_cd = da850_hawk_mmc_get_cd, - .wires = 4, - .max_freq = 50000000, - .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, -}; - -static __init void omapl138_hawk_mmc_init(void) -{ - int ret; - - ret = davinci_cfg_reg_list(hawk_mmcsd0_pins); - if (ret) { - pr_warn("%s: MMC/SD0 mux setup failed: %d\n", __func__, ret); - return; - } - - ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN, - GPIOF_DIR_IN, "MMC CD"); - if (ret < 0) { - pr_warn("%s: can not open GPIO %d\n", - __func__, DA850_HAWK_MMCSD_CD_PIN); - return; - } - - ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN, - GPIOF_DIR_IN, "MMC WP"); - if (ret < 0) { - pr_warn("%s: can not open GPIO %d\n", - __func__, DA850_HAWK_MMCSD_WP_PIN); - goto mmc_setup_wp_fail; - } - - ret = da8xx_register_mmcsd0(&da850_mmc_config); - if (ret) { - pr_warn("%s: MMC/SD0 registration failed: %d\n", __func__, ret); - goto mmc_setup_mmcsd_fail; - } - - return; - -mmc_setup_mmcsd_fail: - gpio_free(DA850_HAWK_MMCSD_WP_PIN); -mmc_setup_wp_fail: - gpio_free(DA850_HAWK_MMCSD_CD_PIN); -} - -static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id); -static da8xx_ocic_handler_t hawk_usb_ocic_handler; - -static const short da850_hawk_usb11_pins[] = { - DA850_GPIO2_4, DA850_GPIO6_13, - -1 -}; - -static int hawk_usb_set_power(unsigned port, int on) -{ - gpio_set_value(DA850_USB1_VBUS_PIN, on); - return 0; -} - -static int hawk_usb_get_power(unsigned port) -{ - return gpio_get_value(DA850_USB1_VBUS_PIN); -} - -static int hawk_usb_get_oci(unsigned port) -{ - return !gpio_get_value(DA850_USB1_OC_PIN); -} - -static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler) -{ - int irq = gpio_to_irq(DA850_USB1_OC_PIN); - int error = 0; - - if (handler != NULL) { - hawk_usb_ocic_handler = handler; - - error = request_irq(irq, omapl138_hawk_usb_ocic_irq, - IRQF_DISABLED | IRQF_TRIGGER_RISING | - IRQF_TRIGGER_FALLING, - "OHCI over-current indicator", NULL); - if (error) - pr_err("%s: could not request IRQ to watch " - "over-current indicator changes\n", __func__); - } else { - free_irq(irq, NULL); - } - return error; -} - -static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = { - .set_power = hawk_usb_set_power, - .get_power = hawk_usb_get_power, - .get_oci = hawk_usb_get_oci, - .ocic_notify = hawk_usb_ocic_notify, - /* TPS2087 switch @ 5V */ - .potpgt = (3 + 1) / 2, /* 3 ms max */ -}; - -static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id) -{ - hawk_usb_ocic_handler(&omapl138_hawk_usb11_pdata, 1); - return IRQ_HANDLED; -} - -static __init void omapl138_hawk_usb_init(void) -{ - int ret; - u32 cfgchip2; - - ret = davinci_cfg_reg_list(da850_hawk_usb11_pins); - if (ret) { - pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret); - return; - } - - /* Setup the Ref. clock frequency for the HAWK at 24 MHz. */ - - cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); - cfgchip2 &= ~CFGCHIP2_REFFREQ; - cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ; - __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); - - ret = gpio_request_one(DA850_USB1_VBUS_PIN, - GPIOF_DIR_OUT, "USB1 VBUS"); - if (ret < 0) { - pr_err("%s: failed to request GPIO for USB 1.1 port " - "power control: %d\n", __func__, ret); - return; - } - - ret = gpio_request_one(DA850_USB1_OC_PIN, - GPIOF_DIR_IN, "USB1 OC"); - if (ret < 0) { - pr_err("%s: failed to request GPIO for USB 1.1 port " - "over-current indicator: %d\n", __func__, ret); - goto usb11_setup_oc_fail; - } - - ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata); - if (ret) { - pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret); - goto usb11_setup_fail; - } - - return; - -usb11_setup_fail: - gpio_free(DA850_USB1_OC_PIN); -usb11_setup_oc_fail: - gpio_free(DA850_USB1_VBUS_PIN); -} - -static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { - .enabled_uarts = 0x7, -}; - -static __init void omapl138_hawk_init(void) -{ - int ret; - - davinci_serial_init(&omapl138_hawk_uart_config); - - omapl138_hawk_config_emac(); - - ret = da850_register_edma(da850_edma_rsv); - if (ret) - pr_warn("%s: EDMA registration failed: %d\n", __func__, ret); - - omapl138_hawk_mmc_init(); - - omapl138_hawk_usb_init(); - - ret = da8xx_register_watchdog(); - if (ret) - pr_warn("%s: watchdog registration failed: %d\n", - __func__, ret); - - ret = da8xx_register_rproc(); - if (ret) - pr_warn("%s: dsp/rproc registration failed: %d\n", - __func__, ret); -} - -#ifdef CONFIG_SERIAL_8250_CONSOLE -static int __init omapl138_hawk_console_init(void) -{ - if (!machine_is_omapl138_hawkboard()) - return 0; - - return add_preferred_console("ttyS", 2, "115200"); -} -console_initcall(omapl138_hawk_console_init); -#endif - -static void __init omapl138_hawk_map_io(void) -{ - da850_init(); -} - -MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard") - .atag_offset = 0x100, - .map_io = omapl138_hawk_map_io, - .init_irq = cp_intc_init, - .init_time = davinci_timer_init, - .init_machine = omapl138_hawk_init, - .init_late = davinci_init_late, - .dma_zone_size = SZ_128M, - .restart = da8xx_restart, - .reserve = da8xx_rproc_reserve_cma, -MACHINE_END |
