mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-26 21:03:44 +09:00
011f5c13f8
Add both host and mUSB support. Currently, the selection between host USB and mUSB is done through the config file. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Reviewed-by: Tom Rini <trini@ti.com>
143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
/*
|
|
* (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 <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"
|
|
|
|
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_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 */
|