diff options
Diffstat (limited to 'board/compulab/cm_t3517/cm_t3517.c')
| -rw-r--r-- | board/compulab/cm_t3517/cm_t3517.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/board/compulab/cm_t3517/cm_t3517.c b/board/compulab/cm_t3517/cm_t3517.c new file mode 100644 index 0000000000..cac1ad9ef1 --- /dev/null +++ b/board/compulab/cm_t3517/cm_t3517.c @@ -0,0 +1,231 @@ +/* + * (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 */ |