diff options
Diffstat (limited to 'roms/u-boot/board/ti/omap5_uevm/evm.c')
| -rw-r--r-- | roms/u-boot/board/ti/omap5_uevm/evm.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/roms/u-boot/board/ti/omap5_uevm/evm.c b/roms/u-boot/board/ti/omap5_uevm/evm.c new file mode 100644 index 00000000..4666b38a --- /dev/null +++ b/roms/u-boot/board/ti/omap5_uevm/evm.c @@ -0,0 +1,221 @@ +/* + * (C) Copyright 2010 + * Texas Instruments Incorporated, <www.ti.com> + * Aneesh V <aneesh@ti.com> + * Steve Sakoman <steve@sakoman.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <palmas.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/mmc_host_def.h> +#include <tca642x.h> + +#include "mux_data.h" + +#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) +#include <sata.h> +#include <usb.h> +#include <asm/gpio.h> +#include <asm/arch/clock.h> +#include <asm/arch/ehci.h> +#include <asm/ehci-omap.h> +#include <asm/arch/sata.h> + +#define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000) +#define DIE_ID_REG_OFFSET 0x200 + +#endif + +DECLARE_GLOBAL_DATA_PTR; + +const struct omap_sysinfo sysinfo = { + "Board: OMAP5432 uEVM\n" +}; + +/** + * @brief tca642x_init - uEVM default values for the GPIO expander + * input reg, output reg, polarity reg, configuration reg + */ +struct tca642x_bank_info tca642x_init[] = { + { .input_reg = 0x00, + .output_reg = 0x04, + .polarity_reg = 0x00, + .configuration_reg = 0x80 }, + { .input_reg = 0x00, + .output_reg = 0x00, + .polarity_reg = 0x00, + .configuration_reg = 0xff }, + { .input_reg = 0x00, + .output_reg = 0x00, + .polarity_reg = 0x00, + .configuration_reg = 0x40 }, +}; + +/** + * @brief board_init + * + * @return 0 + */ +int board_init(void) +{ + gpmc_init(); + gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM; + gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ + + tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init); + + return 0; +} + +int board_late_init(void) +{ + init_sata(0); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + return 0; +} + +#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) +static void enable_host_clocks(void) +{ + int auxclk; + int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK | + OPTFCLKEN_HSIC480M_P3_CLK | + OPTFCLKEN_HSIC60M_P2_CLK | + OPTFCLKEN_HSIC480M_P2_CLK | + OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK); + + /* Enable port 2 and 3 clocks*/ + setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val); + + /* Enable port 2 and 3 usb host ports tll clocks*/ + setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl, + (OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE)); +#ifdef CONFIG_USB_XHCI_OMAP + /* Enable the USB OTG Super speed clocks */ + setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl, + (OPTFCLKEN_REFCLK960M | OTG_SS_CLKCTRL_MODULEMODE_HW)); +#endif + + auxclk = readl((*prcm)->scrm_auxclk1); + /* Request auxilary clock */ + auxclk |= AUXCLK_ENABLE_MASK; + writel(auxclk, (*prcm)->scrm_auxclk1); +} +#endif + +/** + * @brief misc_init_r - Configure EVM board specific configurations + * such as power configurations, ethernet initialization as phase2 of + * boot sequence + * + * @return 0 + */ +int misc_init_r(void) +{ + int reg; + u32 id[4]; + +#ifdef CONFIG_PALMAS_POWER + palmas_init_settings(); +#endif + + reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET; + + id[0] = readl(reg); + id[1] = readl(reg + 0x8); + id[2] = readl(reg + 0xC); + id[3] = readl(reg + 0x10); + usb_fake_mac_from_die_id(id); + + return 0; +} + +void set_muxconf_regs_essential(void) +{ + do_set_mux((*ctrl)->control_padconf_core_base, + core_padconf_array_essential, + sizeof(core_padconf_array_essential) / + sizeof(struct pad_conf_entry)); + + do_set_mux((*ctrl)->control_padconf_wkup_base, + wkup_padconf_array_essential, + sizeof(wkup_padconf_array_essential) / + sizeof(struct pad_conf_entry)); +} + +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) +int board_mmc_init(bd_t *bis) +{ + omap_mmc_init(0, 0, 0, -1, -1); + omap_mmc_init(1, 0, 0, -1, -1); + return 0; +} +#endif + +#ifdef CONFIG_USB_EHCI +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC, + .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC, +}; + +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + int ret; + + enable_host_clocks(); + + ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); + if (ret < 0) { + puts("Failed to initialize ehci\n"); + return ret; + } + + return 0; +} + +int ehci_hcd_stop(void) +{ + int ret; + + ret = omap_ehci_hcd_stop(); + return ret; +} + +void usb_hub_reset_devices(int port) +{ + /* The LAN9730 needs to be reset after the port power has been set. */ + if (port == 3) { + gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0); + udelay(10); + gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1); + } +} +#endif + +#ifdef CONFIG_USB_XHCI_OMAP +/** + * @brief board_usb_init - Configure EVM board specific configurations + * for the LDO's and clocks for the USB blocks. + * + * @return 0 + */ +int board_usb_init(int index, enum usb_init_type init) +{ + int ret; +#ifdef CONFIG_PALMAS_USB_SS_PWR + ret = palmas_enable_ss_ldo(); +#endif + + enable_host_clocks(); + + return 0; +} +#endif |