diff options
Diffstat (limited to 'qemu/roms/u-boot/board/technexion/twister/twister.c')
| -rw-r--r-- | qemu/roms/u-boot/board/technexion/twister/twister.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/technexion/twister/twister.c b/qemu/roms/u-boot/board/technexion/twister/twister.c new file mode 100644 index 000000000..054e7ccde --- /dev/null +++ b/qemu/roms/u-boot/board/technexion/twister/twister.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2011 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * Copyright (C) 2009 TechNexion Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/arch/mem.h> +#include <asm/arch/mux.h> +#include <asm/arch/sys_proto.h> +#include <asm/omap_gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <i2c.h> +#include <asm/gpio.h> +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/ehci-omap.h> +#endif +#include "twister.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* Timing definitions for Ethernet Controller */ +static const u32 gpmc_smc911[] = { + NET_GPMC_CONFIG1, + NET_GPMC_CONFIG2, + NET_GPMC_CONFIG3, + NET_GPMC_CONFIG4, + NET_GPMC_CONFIG5, + NET_GPMC_CONFIG6, +}; + +static const u32 gpmc_XR16L2751[] = { + XR16L2751_GPMC_CONFIG1, + XR16L2751_GPMC_CONFIG2, + XR16L2751_GPMC_CONFIG3, + XR16L2751_GPMC_CONFIG4, + XR16L2751_GPMC_CONFIG5, + XR16L2751_GPMC_CONFIG6, +}; + +#ifdef CONFIG_USB_EHCI +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); +} + +int ehci_hcd_stop(int index) +{ + return omap_ehci_hcd_stop(); +} +#endif + +int board_init(void) +{ + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + + /* Chip select 1 and 3 are used for XR16L2751 UART controller */ + enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1], + XR16L2751_UART1_BASE, GPMC_SIZE_16M); + + enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3], + XR16L2751_UART2_BASE, GPMC_SIZE_16M); + + gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET"); + gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1); + + return 0; +} + +#ifndef CONFIG_SPL_BUILD +int misc_init_r(void) +{ + char *eth_addr; + struct tam3517_module_info info; + int ret; + + dieid_num_r(); + + eth_addr = getenv("ethaddr"); + if (eth_addr) + return 0; + + TAM3517_READ_EEPROM(&info, ret); + if (!ret) + TAM3517_READ_MAC_FROM_EEPROM(&info); + + return 0; +} +#endif + +/* + * Routine: set_muxconf_regs + * Description: Setting up the configuration Mux registers specific to the + * hardware. Many pins need to be moved from protect to primary + * mode. + */ +void set_muxconf_regs(void) +{ + MUX_TWISTER(); +} + +int board_eth_init(bd_t *bis) +{ + davinci_emac_initialize(); + + /* init cs for extern lan */ + enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5], + CONFIG_SMC911X_BASE, GPMC_SIZE_16M); + if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0) + printf("\nError initializing SMC911x controlleri\n"); + + return 0; +} + +#if defined(CONFIG_OMAP_HSMMC) && \ + !defined(CONFIG_SPL_BUILD) +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0, 0, 0, -1, -1); +} +#endif + +#ifdef CONFIG_SPL_OS_BOOT +/* + * Do board specific preperation before SPL + * Linux boot + */ +void spl_board_prepare_for_linux(void) +{ + /* init cs for extern lan */ + enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5], + CONFIG_SMC911X_BASE, GPMC_SIZE_16M); +} +int spl_start_uboot(void) +{ + int val = 0; + if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) { + gpio_direction_input(SPL_OS_BOOT_KEY); + val = gpio_get_value(SPL_OS_BOOT_KEY); + gpio_free(SPL_OS_BOOT_KEY); + } + return val; +} +#endif |