| /* |
| * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il> |
| * |
| * Authors: Igor Grinberg <grinberg@compulab.co.il> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <status_led.h> |
| #include <net.h> |
| #include <netdev.h> |
| #include <usb.h> |
| #include <mmc.h> |
| #include <linux/compiler.h> |
| #include <linux/usb/musb.h> |
| |
| #include <asm/io.h> |
| #include <asm/arch/mem.h> |
| #include <asm/arch/am35x_def.h> |
| #include <asm/arch/mmc_host_def.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/musb.h> |
| #include <asm/omap_musb.h> |
| #include <asm/ehci-omap.h> |
| |
| #include "../common/common.h" |
| #include "../common/eeprom.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| const omap3_sysinfo sysinfo = { |
| DDR_DISCRETE, |
| "CM-T3517 board", |
| "NAND 128/512M", |
| }; |
| |
| #ifdef CONFIG_USB_MUSB_AM35X |
| static struct musb_hdrc_config cm_t3517_musb_config = { |
| .multipoint = 1, |
| .dyn_fifo = 1, |
| .num_eps = 16, |
| .ram_bits = 12, |
| }; |
| |
| static struct omap_musb_board_data cm_t3517_musb_board_data = { |
| .set_phy_power = am35x_musb_phy_power, |
| .clear_irq = am35x_musb_clear_irq, |
| .reset = am35x_musb_reset, |
| }; |
| |
| static struct musb_hdrc_platform_data cm_t3517_musb_pdata = { |
| #if defined(CONFIG_MUSB_HOST) |
| .mode = MUSB_HOST, |
| #elif defined(CONFIG_MUSB_GADGET) |
| .mode = MUSB_PERIPHERAL, |
| #else |
| #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET" |
| #endif |
| .config = &cm_t3517_musb_config, |
| .power = 250, |
| .platform_ops = &am35x_ops, |
| .board_data = &cm_t3517_musb_board_data, |
| }; |
| |
| static void cm_t3517_musb_init(void) |
| { |
| /* |
| * Set up USB clock/mode in the DEVCONF2 register. |
| * USB2.0 PHY reference clock is 13 MHz |
| */ |
| clrsetbits_le32(&am35x_scm_general_regs->devconf2, |
| CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE, |
| CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | |
| CONF2_VBDTCTEN | CONF2_DATPOL); |
| |
| if (musb_register(&cm_t3517_musb_pdata, &cm_t3517_musb_board_data, |
| (void *)AM35XX_IPSS_USBOTGSS_BASE)) |
| printf("Failed initializing AM35x MUSB!\n"); |
| } |
| #else |
| static inline void am3517_evm_musb_init(void) {} |
| #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); |
| |
| #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
| status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); |
| #endif |
| |
| cm_t3517_musb_init(); |
| |
| return 0; |
| } |
| |
| int misc_init_r(void) |
| { |
| cl_print_pcb_info(); |
| dieid_num_r(); |
| |
| return 0; |
| } |
| |
| #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) |
| #define SB_T35_CD_GPIO 144 |
| #define SB_T35_WP_GPIO 59 |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| return omap_mmc_init(0, 0, 0, SB_T35_CD_GPIO, SB_T35_WP_GPIO); |
| } |
| #endif |
| |
| #ifdef CONFIG_DRIVER_TI_EMAC |
| #define CONTROL_EFUSE_EMAC_LSB 0x48002380 |
| #define CONTROL_EFUSE_EMAC_MSB 0x48002384 |
| |
| static int am3517_get_efuse_enetaddr(u8 *enetaddr) |
| { |
| u32 lsb = __raw_readl(CONTROL_EFUSE_EMAC_LSB); |
| u32 msb = __raw_readl(CONTROL_EFUSE_EMAC_MSB); |
| |
| enetaddr[0] = (u8)((msb >> 16) & 0xff); |
| enetaddr[1] = (u8)((msb >> 8) & 0xff); |
| enetaddr[2] = (u8)(msb & 0xff); |
| enetaddr[3] = (u8)((lsb >> 16) & 0xff); |
| enetaddr[4] = (u8)((lsb >> 8) & 0xff); |
| enetaddr[5] = (u8)(lsb & 0xff); |
| |
| return is_valid_ether_addr(enetaddr); |
| } |
| |
| static inline int cm_t3517_init_emac(bd_t *bis) |
| { |
| int ret = cpu_eth_init(bis); |
| |
| if (ret > 0) |
| return ret; |
| |
| printf("Failed initializing EMAC! "); |
| return 0; |
| } |
| #else /* !CONFIG_DRIVER_TI_EMAC */ |
| static inline int am3517_get_efuse_enetaddr(u8 *enetaddr) { return 1; } |
| static inline int cm_t3517_init_emac(bd_t *bis) { return 0; } |
| #endif /* CONFIG_DRIVER_TI_EMAC */ |
| |
| /* |
| * Routine: handle_mac_address |
| * Description: prepare MAC address for on-board Ethernet. |
| */ |
| static int cm_t3517_handle_mac_address(void) |
| { |
| unsigned char enetaddr[6]; |
| int ret; |
| |
| ret = eth_getenv_enetaddr("ethaddr", enetaddr); |
| if (ret) |
| return 0; |
| |
| ret = cl_eeprom_read_mac_addr(enetaddr); |
| if (ret) { |
| ret = am3517_get_efuse_enetaddr(enetaddr); |
| if (ret) |
| return ret; |
| } |
| |
| if (!is_valid_ether_addr(enetaddr)) |
| return -1; |
| |
| return eth_setenv_enetaddr("ethaddr", enetaddr); |
| } |
| |
| #define SB_T35_ETH_RST_GPIO 164 |
| |
| /* |
| * Routine: board_eth_init |
| * Description: initialize module and base-board Ethernet chips |
| */ |
| int board_eth_init(bd_t *bis) |
| { |
| int rc = 0, rc1 = 0; |
| |
| rc1 = cm_t3517_handle_mac_address(); |
| if (rc1) |
| printf("No MAC address found! "); |
| |
| rc1 = cm_t3517_init_emac(bis); |
| if (rc1 > 0) |
| rc++; |
| |
| rc1 = cl_omap3_smc911x_init(0, 4, CONFIG_SMC911X_BASE, |
| NULL, SB_T35_ETH_RST_GPIO); |
| if (rc1 > 0) |
| rc++; |
| |
| return rc; |
| } |
| |
| #ifdef CONFIG_USB_EHCI_OMAP |
| static struct omap_usbhs_board_data cm_t3517_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, |
| }; |
| |
| #define CM_T3517_USB_HUB_RESET_GPIO 152 |
| #define SB_T35_USB_HUB_RESET_GPIO 98 |
| |
| int ehci_hcd_init(int index, enum usb_init_type init, |
| struct ehci_hccr **hccr, struct ehci_hcor **hcor) |
| { |
| cl_usb_hub_init(CM_T3517_USB_HUB_RESET_GPIO, "cm-t3517 hub rst"); |
| cl_usb_hub_init(SB_T35_USB_HUB_RESET_GPIO, "sb-t35 hub rst"); |
| |
| return omap_ehci_hcd_init(index, &cm_t3517_usbhs_bdata, hccr, hcor); |
| } |
| |
| int ehci_hcd_stop(void) |
| { |
| cl_usb_hub_deinit(CM_T3517_USB_HUB_RESET_GPIO); |
| cl_usb_hub_deinit(SB_T35_USB_HUB_RESET_GPIO); |
| |
| return omap_ehci_hcd_stop(); |
| } |
| #endif /* CONFIG_USB_EHCI_OMAP */ |