diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-omapl138-hawk.c')
-rw-r--r-- | arch/arm/mach-davinci/board-omapl138-hawk.c | 451 |
1 files changed, 0 insertions, 451 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 8a80115999ad..000000000000 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ /dev/null @@ -1,451 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Hawkboard.org based on TI's OMAP-L138 Platform - * - * Initial code: Syed Mohammed Khasim - * - * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/rawnand.h> -#include <linux/platform_data/gpio-davinci.h> -#include <linux/platform_data/mtd-davinci.h> -#include <linux/platform_data/mtd-davinci-aemif.h> -#include <linux/platform_data/ti-aemif.h> -#include <linux/regulator/fixed.h> -#include <linux/regulator/machine.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include "common.h" -#include "da8xx.h" -#include "mux.h" - -#define HAWKBOARD_PHY_ID "davinci_mdio-0:07" - -#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 -}; - -#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12) -#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13) - -static struct gpiod_lookup_table mmc_gpios_table = { - .dev_id = "da830-mmc.0", - .table = { - GPIO_LOOKUP("davinci_gpio", DA850_HAWK_MMCSD_CD_PIN, "cd", - GPIO_ACTIVE_LOW), - GPIO_LOOKUP("davinci_gpio", DA850_HAWK_MMCSD_WP_PIN, "wp", - GPIO_ACTIVE_LOW), - }, -}; - -static struct davinci_mmc_config da850_mmc_config = { - .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; - } - - gpiod_add_lookup_table(&mmc_gpios_table); - - 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: - gpiod_remove_lookup_table(&mmc_gpios_table); -} - -static struct mtd_partition omapl138_hawk_nandflash_partition[] = { - { - .name = "u-boot env", - .offset = 0, - .size = SZ_128K, - .mask_flags = MTD_WRITEABLE, - }, - { - .name = "u-boot", - .offset = MTDPART_OFS_APPEND, - .size = SZ_512K, - .mask_flags = MTD_WRITEABLE, - }, - { - .name = "free space", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - .mask_flags = 0, - }, -}; - -static struct davinci_aemif_timing omapl138_hawk_nandflash_timing = { - .wsetup = 24, - .wstrobe = 21, - .whold = 14, - .rsetup = 19, - .rstrobe = 50, - .rhold = 0, - .ta = 20, -}; - -static struct davinci_nand_pdata omapl138_hawk_nandflash_data = { - .core_chipsel = 1, - .parts = omapl138_hawk_nandflash_partition, - .nr_parts = ARRAY_SIZE(omapl138_hawk_nandflash_partition), - .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST, - .ecc_bits = 4, - .bbt_options = NAND_BBT_USE_FLASH, - .options = NAND_BUSWIDTH_16, - .timing = &omapl138_hawk_nandflash_timing, - .mask_chipsel = 0, - .mask_ale = 0, - .mask_cle = 0, -}; - -static struct resource omapl138_hawk_nandflash_resource[] = { - { - .start = DA8XX_AEMIF_CS3_BASE, - .end = DA8XX_AEMIF_CS3_BASE + SZ_32M, - .flags = IORESOURCE_MEM, - }, - { - .start = DA8XX_AEMIF_CTL_BASE, - .end = DA8XX_AEMIF_CTL_BASE + SZ_32K, - .flags = IORESOURCE_MEM, - }, -}; - -static struct resource omapl138_hawk_aemif_resource[] = { - { - .start = DA8XX_AEMIF_CTL_BASE, - .end = DA8XX_AEMIF_CTL_BASE + SZ_32K, - .flags = IORESOURCE_MEM, - } -}; - -static struct aemif_abus_data omapl138_hawk_aemif_abus_data[] = { - { - .cs = 3, - } -}; - -static struct platform_device omapl138_hawk_aemif_devices[] = { - { - .name = "davinci_nand", - .id = -1, - .dev = { - .platform_data = &omapl138_hawk_nandflash_data, - }, - .resource = omapl138_hawk_nandflash_resource, - .num_resources = ARRAY_SIZE(omapl138_hawk_nandflash_resource), - } -}; - -static struct aemif_platform_data omapl138_hawk_aemif_pdata = { - .cs_offset = 2, - .abus_data = omapl138_hawk_aemif_abus_data, - .num_abus_data = ARRAY_SIZE(omapl138_hawk_aemif_abus_data), - .sub_devices = omapl138_hawk_aemif_devices, - .num_sub_devices = ARRAY_SIZE(omapl138_hawk_aemif_devices), -}; - -static struct platform_device omapl138_hawk_aemif_device = { - .name = "ti-aemif", - .id = -1, - .dev = { - .platform_data = &omapl138_hawk_aemif_pdata, - }, - .resource = omapl138_hawk_aemif_resource, - .num_resources = ARRAY_SIZE(omapl138_hawk_aemif_resource), -}; - -static const short omapl138_hawk_nand_pins[] = { - DA850_EMA_WAIT_1, DA850_NEMA_OE, DA850_NEMA_WE, DA850_NEMA_CS_3, - DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3, - DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7, - DA850_EMA_D_8, DA850_EMA_D_9, DA850_EMA_D_10, DA850_EMA_D_11, - DA850_EMA_D_12, DA850_EMA_D_13, DA850_EMA_D_14, DA850_EMA_D_15, - DA850_EMA_A_1, DA850_EMA_A_2, - -1 -}; - -static int omapl138_hawk_register_aemif(void) -{ - int ret; - - ret = davinci_cfg_reg_list(omapl138_hawk_nand_pins); - if (ret) - pr_warn("%s: NAND mux setup failed: %d\n", __func__, ret); - - return platform_device_register(&omapl138_hawk_aemif_device); -} - -static const short da850_hawk_usb11_pins[] = { - DA850_GPIO2_4, DA850_GPIO6_13, - -1 -}; - -static struct regulator_consumer_supply hawk_usb_supplies[] = { - REGULATOR_SUPPLY("vbus", NULL), -}; - -static struct regulator_init_data hawk_usb_vbus_data = { - .consumer_supplies = hawk_usb_supplies, - .num_consumer_supplies = ARRAY_SIZE(hawk_usb_supplies), - .constraints = { - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - }, -}; - -static struct fixed_voltage_config hawk_usb_vbus = { - .supply_name = "vbus", - .microvolts = 3300000, - .init_data = &hawk_usb_vbus_data, -}; - -static struct platform_device hawk_usb_vbus_device = { - .name = "reg-fixed-voltage", - .id = 0, - .dev = { - .platform_data = &hawk_usb_vbus, - }, -}; - -static struct gpiod_lookup_table hawk_usb_oc_gpio_lookup = { - .dev_id = "ohci-da8xx", - .table = { - GPIO_LOOKUP("davinci_gpio", DA850_USB1_OC_PIN, "oc", 0), - { } - }, -}; - -static struct gpiod_lookup_table hawk_usb_vbus_gpio_lookup = { - .dev_id = "reg-fixed-voltage.0", - .table = { - GPIO_LOOKUP("davinci_gpio", DA850_USB1_VBUS_PIN, NULL, 0), - { } - }, -}; - -static struct gpiod_lookup_table *hawk_usb_gpio_lookups[] = { - &hawk_usb_oc_gpio_lookup, - &hawk_usb_vbus_gpio_lookup, -}; - -static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = { - /* TPS2087 switch @ 5V */ - .potpgt = (3 + 1) / 2, /* 3 ms max */ -}; - -static __init void omapl138_hawk_usb_init(void) -{ - int ret; - - 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; - } - - ret = da8xx_register_usb_phy_clocks(); - if (ret) - pr_warn("%s: USB PHY CLK registration failed: %d\n", - __func__, ret); - - gpiod_add_lookup_tables(hawk_usb_gpio_lookups, - ARRAY_SIZE(hawk_usb_gpio_lookups)); - - ret = da8xx_register_usb_phy(); - if (ret) - pr_warn("%s: USB PHY registration failed: %d\n", - __func__, ret); - - ret = platform_device_register(&hawk_usb_vbus_device); - if (ret) { - pr_warn("%s: Unable to register the vbus supply\n", __func__); - return; - } - - ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata); - if (ret) - pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret); - - return; -} - -static __init void omapl138_hawk_init(void) -{ - int ret; - - da850_register_clocks(); - - ret = da850_register_gpio(); - if (ret) - pr_warn("%s: GPIO init failed: %d\n", __func__, ret); - - davinci_serial_init(da8xx_serial_device); - - 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 = omapl138_hawk_register_aemif(); - if (ret) - pr_warn("%s: aemif registration failed: %d\n", __func__, ret); - - 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); - - regulator_has_full_constraints(); -} - -#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 = da850_init_irq, - .init_time = da850_init_time, - .init_machine = omapl138_hawk_init, - .init_late = davinci_init_late, - .dma_zone_size = SZ_128M, - .reserve = da8xx_rproc_reserve_cma, -MACHINE_END |