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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2008 Raghavendra KH <r-khandenahally@ti.com>, Texas Instruments (http://www.ti.com/)
// SPDX-FileCopyrightText: 2012 Jan Luebbe <j.luebbe@pengutronix.de>
/**
* @file
* @brief OnRISC Baltos Specific Board Initialization routines
*/
#include <common.h>
#include <init.h>
#include <driver.h>
#include <envfs.h>
#include <environment.h>
#include <globalvar.h>
#include <linux/sizes.h>
#include <net.h>
#include <bootsource.h>
#include <asm/armlinux.h>
#include <generated/mach-types.h>
#include <mach/am33xx-generic.h>
#include <mach/am33xx-silicon.h>
#include <mach/sys_info.h>
#include <mach/syslib.h>
#include <mach/gpmc.h>
#include <linux/err.h>
#include <mach/bbu.h>
#include <libfile.h>
#include <gpio.h>
static struct omap_barebox_part baltos_barebox_part = {
.nand_offset = SZ_512K,
.nand_size = 0x1e0000,
};
#ifndef CONFIG_OMAP_BUILD_IFT
struct bsp_vs_hwparam {
uint32_t Magic;
uint32_t HwRev;
uint32_t SerialNumber;
char PrdDate[11];
uint16_t SystemId;
uint8_t MAC1[6];
uint8_t MAC2[6];
uint8_t MAC3[6];
} __attribute__ ((packed));
static uint8_t get_dip_switch(uint16_t id, uint32_t rev)
{
uint16_t maj, min;
uint8_t dip = 0;
maj = rev >> 16;
min = rev & 0xffff;
if ((id == 220 || id == 222) && (maj == 1 && min == 2))
id = 214;
switch(id) {
case 214:
case 215:
dip = !gpio_get_value(44);
dip += !gpio_get_value(45) << 1;
dip += !gpio_get_value(46) << 2;
dip += !gpio_get_value(47) << 3;
break;
case 212:
case 221:
case 223:
case 224:
case 225:
case 226:
case 227:
case 230:
dip = !gpio_get_value(82);
dip += !gpio_get_value(83) << 1;
dip += !gpio_get_value(105) << 2;
dip += !gpio_get_value(106) << 3;
break;
}
return dip;
}
static int baltos_read_eeprom(void)
{
struct bsp_vs_hwparam hw_param;
char *buf, var_buf[32];
int rc;
unsigned char mac_addr[6];
uint8_t dip;
if (!of_machine_is_compatible("vscom,onrisc"))
return 0;
rc = read_file_2("/dev/eeprom0",
NULL,
(void *)&buf,
sizeof(hw_param));
if (rc && rc != -EFBIG)
return rc;
memcpy(&hw_param, buf, sizeof(hw_param));
free(buf);
if (hw_param.Magic == 0xDEADBEEF) {
/* setup MAC1 */
mac_addr[0] = hw_param.MAC1[0];
mac_addr[1] = hw_param.MAC1[1];
mac_addr[2] = hw_param.MAC1[2];
mac_addr[3] = hw_param.MAC1[3];
mac_addr[4] = hw_param.MAC1[4];
mac_addr[5] = hw_param.MAC1[5];
eth_register_ethaddr(0, mac_addr);
/* setup MAC2 */
mac_addr[0] = hw_param.MAC2[0];
mac_addr[1] = hw_param.MAC2[1];
mac_addr[2] = hw_param.MAC2[2];
mac_addr[3] = hw_param.MAC2[3];
mac_addr[4] = hw_param.MAC2[4];
mac_addr[5] = hw_param.MAC2[5];
eth_register_ethaddr(1, mac_addr);
} else {
printf("Baltos: incorrect magic number (0x%x) "
"in EEPROM\n",
hw_param.Magic);
hw_param.SystemId = 0;
}
sprintf(var_buf, "%d", hw_param.SystemId);
globalvar_add_simple("board.id", var_buf);
/* enable mPCIe slot */
gpio_direction_output(100, 1);
/* configure output signals of the external GPIO controller */
if (hw_param.SystemId == 210 || hw_param.SystemId == 211) {
gpio_direction_output(132, 0);
gpio_direction_output(133, 0);
gpio_direction_output(134, 0);
gpio_direction_output(135, 0);
}
dip = get_dip_switch(hw_param.SystemId, hw_param.HwRev);
sprintf(var_buf, "%02x", dip);
globalvar_add_simple("board.dip", var_buf);
return 0;
}
environment_initcall(baltos_read_eeprom);
#endif
static int baltos_devices_init(void)
{
if (!of_machine_is_compatible("vscom,onrisc"))
return 0;
globalvar_add_simple("board.variant", "baltos");
if (bootsource_get() == BOOTSOURCE_MMC)
omap_set_bootmmc_devname("mmc0");
omap_set_barebox_part(&baltos_barebox_part);
if (IS_ENABLED(CONFIG_SHELL_NONE))
return am33xx_of_register_bootdevice();
return 0;
}
coredevice_initcall(baltos_devices_init);
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