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https://github.com/brain-hackers/u-boot-brain
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![Jagan Teki](/assets/img/avatar_default.png)
When MUSB is operating in peripheral mode, probe registering musb core using musb_register which intern return int value for validation. so there is no scope to preserve struct musb pointer but the same can be used in .remove musb_stop. So fix this by return musb_register with struct musb pointer. Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Purna Chandra Mandal <purna.mandal@microchip.com> Tested-by: Chen-Yu Tsai <wens@csie.org> # A33-OlinuXino Tested-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
241 lines
5.4 KiB
C
241 lines
5.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
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*
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* Authors: Igor Grinberg <grinberg@compulab.co.il>
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*/
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#include <common.h>
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#include <environment.h>
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#include <status_led.h>
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#include <net.h>
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#include <netdev.h>
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#include <usb.h>
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#include <mmc.h>
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#include <linux/compiler.h>
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#include <linux/usb/musb.h>
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#include <asm/io.h>
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#include <asm/arch/mem.h>
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#include <asm/arch/am35x_def.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/musb.h>
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#include <asm/omap_musb.h>
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#include <asm/ehci-omap.h>
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#include "../common/common.h"
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#include "../common/eeprom.h"
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DECLARE_GLOBAL_DATA_PTR;
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const omap3_sysinfo sysinfo = {
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DDR_DISCRETE,
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"CM-T3517 board",
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"NAND 128/512M",
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};
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#ifdef CONFIG_USB_MUSB_AM35X
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static struct musb_hdrc_config cm_t3517_musb_config = {
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.multipoint = 1,
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.dyn_fifo = 1,
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.num_eps = 16,
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.ram_bits = 12,
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};
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static struct omap_musb_board_data cm_t3517_musb_board_data = {
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.set_phy_power = am35x_musb_phy_power,
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.clear_irq = am35x_musb_clear_irq,
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.reset = am35x_musb_reset,
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};
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static struct musb_hdrc_platform_data cm_t3517_musb_pdata = {
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#if defined(CONFIG_USB_MUSB_HOST)
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.mode = MUSB_HOST,
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#elif defined(CONFIG_USB_MUSB_GADGET)
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.mode = MUSB_PERIPHERAL,
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#else
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#error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
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#endif
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.config = &cm_t3517_musb_config,
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.power = 250,
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.platform_ops = &am35x_ops,
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.board_data = &cm_t3517_musb_board_data,
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};
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static void cm_t3517_musb_init(void)
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{
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/*
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* Set up USB clock/mode in the DEVCONF2 register.
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* USB2.0 PHY reference clock is 13 MHz
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*/
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clrsetbits_le32(&am35x_scm_general_regs->devconf2,
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CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
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CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
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CONF2_VBDTCTEN | CONF2_DATPOL);
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if (!musb_register(&cm_t3517_musb_pdata, &cm_t3517_musb_board_data,
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(void *)AM35XX_IPSS_USBOTGSS_BASE))
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printf("Failed initializing AM35x MUSB!\n");
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}
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#else
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static inline void am3517_evm_musb_init(void) {}
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#endif
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int board_init(void)
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{
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gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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/* boot param addr */
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gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
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#if defined(CONFIG_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
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status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_ON);
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#endif
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cm_t3517_musb_init();
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return 0;
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}
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/*
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* Routine: get_board_rev
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* Description: read system revision
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*/
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u32 get_board_rev(void)
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{
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return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS);
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};
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int misc_init_r(void)
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{
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cl_print_pcb_info();
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omap_die_id_display();
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return 0;
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}
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#if defined(CONFIG_MMC)
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#define SB_T35_CD_GPIO 144
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#define SB_T35_WP_GPIO 59
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int board_mmc_init(bd_t *bis)
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{
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return omap_mmc_init(0, 0, 0, SB_T35_CD_GPIO, SB_T35_WP_GPIO);
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}
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#endif
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#ifdef CONFIG_DRIVER_TI_EMAC
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#define CONTROL_EFUSE_EMAC_LSB 0x48002380
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#define CONTROL_EFUSE_EMAC_MSB 0x48002384
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static int am3517_get_efuse_enetaddr(u8 *enetaddr)
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{
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u32 lsb = __raw_readl(CONTROL_EFUSE_EMAC_LSB);
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u32 msb = __raw_readl(CONTROL_EFUSE_EMAC_MSB);
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enetaddr[0] = (u8)((msb >> 16) & 0xff);
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enetaddr[1] = (u8)((msb >> 8) & 0xff);
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enetaddr[2] = (u8)(msb & 0xff);
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enetaddr[3] = (u8)((lsb >> 16) & 0xff);
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enetaddr[4] = (u8)((lsb >> 8) & 0xff);
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enetaddr[5] = (u8)(lsb & 0xff);
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return is_valid_ethaddr(enetaddr);
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}
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static inline int cm_t3517_init_emac(bd_t *bis)
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{
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int ret = cpu_eth_init(bis);
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if (ret > 0)
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return ret;
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printf("Failed initializing EMAC! ");
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return 0;
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}
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#else /* !CONFIG_DRIVER_TI_EMAC */
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static inline int am3517_get_efuse_enetaddr(u8 *enetaddr) { return 1; }
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static inline int cm_t3517_init_emac(bd_t *bis) { return 0; }
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#endif /* CONFIG_DRIVER_TI_EMAC */
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/*
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* Routine: handle_mac_address
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* Description: prepare MAC address for on-board Ethernet.
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*/
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static int cm_t3517_handle_mac_address(void)
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{
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unsigned char enetaddr[6];
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int ret;
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ret = eth_env_get_enetaddr("ethaddr", enetaddr);
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if (ret)
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return 0;
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ret = cl_eeprom_read_mac_addr(enetaddr, CONFIG_SYS_I2C_EEPROM_BUS);
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if (ret) {
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ret = am3517_get_efuse_enetaddr(enetaddr);
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if (ret)
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return ret;
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}
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if (!is_valid_ethaddr(enetaddr))
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return -1;
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return eth_env_set_enetaddr("ethaddr", enetaddr);
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}
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#define SB_T35_ETH_RST_GPIO 164
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/*
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* Routine: board_eth_init
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* Description: initialize module and base-board Ethernet chips
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*/
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int board_eth_init(bd_t *bis)
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{
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int rc = 0, rc1 = 0;
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rc1 = cm_t3517_handle_mac_address();
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if (rc1)
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printf("No MAC address found! ");
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rc1 = cm_t3517_init_emac(bis);
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if (rc1 > 0)
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rc++;
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rc1 = cl_omap3_smc911x_init(0, 4, CONFIG_SMC911X_BASE,
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NULL, SB_T35_ETH_RST_GPIO);
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if (rc1 > 0)
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rc++;
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return rc;
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}
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#ifdef CONFIG_USB_EHCI_OMAP
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static struct omap_usbhs_board_data cm_t3517_usbhs_bdata = {
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.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
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.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
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.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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};
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#define CM_T3517_USB_HUB_RESET_GPIO 152
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#define SB_T35_USB_HUB_RESET_GPIO 98
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int ehci_hcd_init(int index, enum usb_init_type init,
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struct ehci_hccr **hccr, struct ehci_hcor **hcor)
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{
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cl_usb_hub_init(CM_T3517_USB_HUB_RESET_GPIO, "cm-t3517 hub rst");
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cl_usb_hub_init(SB_T35_USB_HUB_RESET_GPIO, "sb-t35 hub rst");
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return omap_ehci_hcd_init(index, &cm_t3517_usbhs_bdata, hccr, hcor);
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}
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int ehci_hcd_stop(void)
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{
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cl_usb_hub_deinit(CM_T3517_USB_HUB_RESET_GPIO);
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cl_usb_hub_deinit(SB_T35_USB_HUB_RESET_GPIO);
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return omap_ehci_hcd_stop();
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}
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#endif /* CONFIG_USB_EHCI_OMAP */
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