diff options
Diffstat (limited to 'board/compulab/cm_t54/cm_t54.c')
| -rw-r--r-- | board/compulab/cm_t54/cm_t54.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/board/compulab/cm_t54/cm_t54.c b/board/compulab/cm_t54/cm_t54.c deleted file mode 100644 index 413f3c9c8f..0000000000 --- a/board/compulab/cm_t54/cm_t54.c +++ /dev/null @@ -1,261 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Board functions for Compulab CM-T54 board - * - * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ - * - * Author: Dmitry Lifshitz <lifshitz@compulab.co.il> - */ - -#include <common.h> -#include <env.h> -#include <fdt_support.h> -#include <net.h> -#include <usb.h> -#include <mmc.h> -#include <palmas.h> -#include <spl.h> -#include <linux/delay.h> - -#include <asm/gpio.h> -#include <asm/arch/sys_proto.h> -#include <asm/arch/mmc_host_def.h> -#include <asm/arch/clock.h> -#include <asm/arch/ehci.h> -#include <asm/ehci-omap.h> - -#include "../common/eeprom.h" - -#define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000) -#define DIE_ID_REG_OFFSET 0x200 - -DECLARE_GLOBAL_DATA_PTR; - -#if !defined(CONFIG_SPL_BUILD) -inline void set_muxconf_regs(void){}; -#endif - -const struct omap_sysinfo sysinfo = { - "Board: CM-T54\n" -}; - -/* - * Routine: board_init - * Description: hardware init. - */ -int board_init(void) -{ - gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100); - - return 0; -} - -/* - * Routine: cm_t54_palmas_regulator_set - * Description: select voltage and turn on/off Palmas PMIC regulator. - */ -static int cm_t54_palmas_regulator_set(u8 vreg, u8 vval, u8 creg, u8 cval) -{ - int err; - - /* Setup voltage */ - err = palmas_i2c_write_u8(TWL603X_CHIP_P1, vreg, vval); - if (err) { - printf("cm_t54: could not set regulator 0x%02x voltage : %d\n", - vreg, err); - return err; - } - - /* Turn on/off regulator */ - err = palmas_i2c_write_u8(TWL603X_CHIP_P1, creg, cval); - if (err) { - printf("cm_t54: could not turn on/off regulator 0x%02x : %d\n", - creg, err); - return err; - } - - return 0; -} - -/* - * Routine: mmc_get_env_part - * Description: setup environment storage device partition. - */ -#ifdef CONFIG_SYS_MMC_ENV_PART -uint mmc_get_env_part(struct mmc *mmc) -{ - u32 bootmode = gd->arch.omap_boot_mode; - uint bootpart = CONFIG_SYS_MMC_ENV_PART; - - /* - * If booted from eMMC boot partition then force eMMC - * FIRST boot partition to be env storage - */ - if (bootmode == BOOT_DEVICE_MMC2) - bootpart = 1; - - return bootpart; -} -#endif - -#if defined(CONFIG_MMC) -#define SB_T54_CD_GPIO 228 -#define SB_T54_WP_GPIO 229 - -int board_mmc_init(bd_t *bis) -{ - int ret0, ret1; - - ret0 = omap_mmc_init(0, 0, 0, SB_T54_CD_GPIO, SB_T54_WP_GPIO); - if (ret0) - printf("cm_t54: failed to initialize mmc0\n"); - - ret1 = omap_mmc_init(1, 0, 0, -1, -1); - if (ret1) - printf("cm_t54: failed to initialize mmc1\n"); - - if (ret0 && ret1) - return -1; - - return 0; -} -#endif - -#ifdef CONFIG_USB_HOST_ETHER - -int ft_board_setup(void *blob, bd_t *bd) -{ - uint8_t enetaddr[6]; - - /* MAC addr */ - if (eth_env_get_enetaddr("usbethaddr", enetaddr)) { - fdt_find_and_setprop(blob, "/smsc95xx@0", "mac-address", - enetaddr, 6, 1); - } - - return 0; -} - -static void generate_mac_addr(uint8_t *enetaddr) -{ - int reg; - - reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET; - - /* - * create a fake MAC address from the processor ID code. - * first byte is 0x02 to signify locally administered. - */ - enetaddr[0] = 0x02; - enetaddr[1] = readl(reg + 0x10) & 0xff; - enetaddr[2] = readl(reg + 0xC) & 0xff; - enetaddr[3] = readl(reg + 0x8) & 0xff; - enetaddr[4] = readl(reg) & 0xff; - enetaddr[5] = (readl(reg) >> 8) & 0xff; -} - -/* - * Routine: handle_mac_address - * Description: prepare MAC address for on-board Ethernet. - */ -static int handle_mac_address(void) -{ - uint8_t enetaddr[6]; - int ret; - - ret = eth_env_get_enetaddr("usbethaddr", enetaddr); - if (ret) - return 0; - - ret = cl_eeprom_read_mac_addr(enetaddr, CONFIG_SYS_I2C_EEPROM_BUS); - if (ret || !is_valid_ethaddr(enetaddr)) - generate_mac_addr(enetaddr); - - if (!is_valid_ethaddr(enetaddr)) - return -1; - - return eth_env_set_enetaddr("usbethaddr", enetaddr); -} - -int board_eth_init(bd_t *bis) -{ - return handle_mac_address(); -} -#endif - -#ifdef CONFIG_USB_EHCI_HCD -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, -}; - -static void setup_host_clocks(bool enable) -{ - int usbhost_clk = OPTFCLKEN_HSIC60M_P3_CLK | - OPTFCLKEN_HSIC480M_P3_CLK | - OPTFCLKEN_HSIC60M_P2_CLK | - OPTFCLKEN_HSIC480M_P2_CLK | - OPTFCLKEN_UTMI_P3_CLK | - OPTFCLKEN_UTMI_P2_CLK; - - int usbtll_clk = OPTFCLKEN_USB_CH1_CLK_ENABLE | - OPTFCLKEN_USB_CH2_CLK_ENABLE; - - int usbhub_clk = CKOBUFFER_CLK_ENABLE_MASK; - - if (enable) { - /* Enable port 2 and 3 clocks*/ - setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, usbhost_clk); - /* Enable port 2 and 3 usb host ports tll clocks*/ - setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl, usbtll_clk); - /* Request FREF_XTAL_CLK clock for HSIC USB Hub */ - setbits_le32((*ctrl)->control_ckobuffer, usbhub_clk); - } else { - clrbits_le32((*ctrl)->control_ckobuffer, usbhub_clk); - clrbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl, usbtll_clk); - clrbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, usbhost_clk); - } -} - -int ehci_hcd_init(int index, enum usb_init_type init, - struct ehci_hccr **hccr, struct ehci_hcor **hcor) -{ - int ret; - - /* VCC_3V3_ETH */ - cm_t54_palmas_regulator_set(SMPS9_VOLTAGE, SMPS_VOLT_3V3, SMPS9_CTRL, - SMPS_MODE_SLP_AUTO | SMPS_MODE_ACT_AUTO); - - setup_host_clocks(true); - - ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); - if (ret < 0) - printf("cm_t54: Failed to initialize ehci : %d\n", ret); - - return ret; -} - -int ehci_hcd_stop(void) -{ - int ret = omap_ehci_hcd_stop(); - - setup_host_clocks(false); - - cm_t54_palmas_regulator_set(SMPS9_VOLTAGE, SMPS_VOLT_OFF, - SMPS9_CTRL, SMPS_MODE_SLP_AUTO); - - return ret; -} - -void usb_hub_reset_devices(struct usb_hub_device *hub, 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 - |