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/*
* (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_USB_MUSB_HOST)
.mode = MUSB_HOST,
#elif defined(CONFIG_USB_MUSB_GADGET)
.mode = MUSB_PERIPHERAL,
#else
#error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_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_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_ON);
#endif
cm_t3517_musb_init();
return 0;
}
/*
* Routine: get_board_rev
* Description: read system revision
*/
u32 get_board_rev(void)
{
return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS);
};
int misc_init_r(void)
{
cl_print_pcb_info();
omap_die_id_display();
return 0;
}
#if defined(CONFIG_GENERIC_MMC)
#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_ethaddr(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, CONFIG_SYS_I2C_EEPROM_BUS);
if (ret) {
ret = am3517_get_efuse_enetaddr(enetaddr);
if (ret)
return ret;
}
if (!is_valid_ethaddr(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 */
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