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/*
* (C) Copyright 2011
* Logic Product Development <www.logicpd.com>
*
* Author :
* Peter Barada <peter.barada@logicpd.com>
*
* Derived from Beagle Board and 3430 SDP code by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <ns16550.h>
#include <netdev.h>
#include <flash.h>
#include <nand.h>
#include <i2c.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/mach-types.h>
#include <linux/mtd/rawnand.h>
#include <asm/omap_musb.h>
#include <linux/errno.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/musb.h>
#include "omap3logic.h"
#ifdef CONFIG_USB_EHCI_HCD
#include <usb.h>
#include <asm/ehci-omap.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
/* This is only needed until SPL gets OF support */
#ifdef CONFIG_SPL_BUILD
static const struct ns16550_platdata omap3logic_serial = {
.base = OMAP34XX_UART1,
.reg_shift = 2,
.clock = V_NS16550_CLK,
.fcr = UART_FCR_DEFVAL,
};
U_BOOT_DEVICE(omap3logic_uart) = {
"ns16550_serial",
&omap3logic_serial
};
#endif
/*
* two dimensional array of strucures containining board name and Linux
* machine IDs; row it selected based on CPU column is slected based
* on hsusb0_data5 pin having a pulldown resistor
*/
static struct board_id {
char *name;
int machine_id;
char *fdtfile;
} boards[2][2] = {
{
{
.name = "OMAP35xx SOM LV",
.machine_id = MACH_TYPE_OMAP3530_LV_SOM,
.fdtfile = "logicpd-som-lv-35xx-devkit.dtb",
},
{
.name = "OMAP35xx Torpedo",
.machine_id = MACH_TYPE_OMAP3_TORPEDO,
.fdtfile = "logicpd-torpedo-35xx-devkit.dtb",
},
},
{
{
.name = "DM37xx SOM LV",
.fdtfile = "logicpd-som-lv-37xx-devkit.dtb",
},
{
.name = "DM37xx Torpedo",
.fdtfile = "logicpd-torpedo-37xx-devkit.dtb",
},
},
};
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
return serial_tstc() && serial_getc() == 'c';
}
#endif
#if defined(CONFIG_SPL_BUILD)
/*
* Routine: get_board_mem_timings
* Description: If we use SPL then there is no x-loader nor config header
* so we have to setup the DDR timings ourself on the first bank. This
* provides the timing values back to the function that configures
* the memory.
*/
void get_board_mem_timings(struct board_sdrc_timings *timings)
{
timings->mr = MICRON_V_MR_165;
/* 256MB DDR */
timings->mcfg = MICRON_V_MCFG_200(256 << 20);
timings->ctrla = MICRON_V_ACTIMA_200;
timings->ctrlb = MICRON_V_ACTIMB_200;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
}
#endif
#ifdef CONFIG_USB_MUSB_OMAP2PLUS
static struct musb_hdrc_config musb_config = {
.multipoint = 1,
.dyn_fifo = 1,
.num_eps = 16,
.ram_bits = 12,
};
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_ULPI,
};
static struct musb_hdrc_platform_data musb_plat = {
#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 = &musb_config,
.power = 100,
.platform_ops = &omap2430_ops,
.board_data = &musb_board_data,
};
#endif
#if defined(CONFIG_USB_EHCI_HCD) && !defined(CONFIG_SPL_BUILD)
/* Call usb_stop() before starting the kernel */
void show_boot_progress(int val)
{
if (val == BOOTSTAGE_ID_RUN_OS)
usb_stop();
}
static struct omap_usbhs_board_data 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
};
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
}
int ehci_hcd_stop(int index)
{
return omap_ehci_hcd_stop();
}
#endif /* CONFIG_USB_EHCI_HCD */
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
twl4030_power_init();
omap_die_id_display();
#ifdef CONFIG_USB_MUSB_OMAP2PLUS
musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
#endif
return 0;
}
/*
* BOARD_ID_GPIO - GPIO of pin with optional pulldown resistor on SOM LV
*/
#define BOARD_ID_GPIO 189 /* hsusb0_data5 pin */
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
struct board_id *board;
unsigned int val;
/*
* To identify between a SOM LV and Torpedo module,
* a pulldown resistor is on hsusb0_data5 for the SOM LV module.
* Drive the pin (and let it soak), then read it back.
* If the pin is still high its a Torpedo. If low its a SOM LV
*/
/* Mux hsusb0_data5 as a GPIO */
MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M4));
if (gpio_request(BOARD_ID_GPIO, "husb0_data5.gpio_189") == 0) {
/*
* Drive BOARD_ID_GPIO - the pulldown resistor on the SOM LV
* will drain the voltage.
*/
gpio_direction_output(BOARD_ID_GPIO, 0);
gpio_set_value(BOARD_ID_GPIO, 1);
/* Let it soak for a bit */
sdelay(0x100);
/*
* Read state of BOARD_ID_GPIO as an input and if its set.
* If so the board is a Torpedo
*/
gpio_direction_input(BOARD_ID_GPIO);
val = gpio_get_value(BOARD_ID_GPIO);
gpio_free(BOARD_ID_GPIO);
board = &boards[!!(get_cpu_family() == CPU_OMAP36XX)][!!val];
printf("Board: %s\n", board->name);
/* Set the machine_id passed to Linux */
if (board->machine_id)
gd->bd->bi_arch_number = board->machine_id;
/* If the user has not set fdtimage, set the default */
if (!env_get("fdtimage"))
env_set("fdtimage", board->fdtfile);
}
/* restore hsusb0_data5 pin as hsusb0_data5 */
MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M0));
return 0;
}
#endif
#if defined(CONFIG_MMC)
int board_mmc_init(bd_t *bis)
{
return omap_mmc_init(0, 0, 0, -1, -1);
}
#endif
#if defined(CONFIG_MMC)
void board_mmc_power_init(void)
{
twl4030_power_mmc_init(0);
}
#endif
#ifdef CONFIG_SMC911X
/* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */
static const u32 gpmc_lan92xx_config[] = {
NET_LAN92XX_GPMC_CONFIG1,
NET_LAN92XX_GPMC_CONFIG2,
NET_LAN92XX_GPMC_CONFIG3,
NET_LAN92XX_GPMC_CONFIG4,
NET_LAN92XX_GPMC_CONFIG5,
NET_LAN92XX_GPMC_CONFIG6,
};
int board_eth_init(bd_t *bis)
{
enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
return smc911x_initialize(0, CONFIG_SMC911X_BASE);
}
#endif
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