GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/compulab/common/Makefile

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2011 - 2013 CompuLab, Ltd. <www.compulab.co.il>
+#
+# Author: Igor Grinberg <grinberg@compulab.co.il>
+
+obj-y				+= common.o
+obj-$(CONFIG_SYS_I2C)		+= eeprom.o
+obj-$(CONFIG_LCD)		+= omap3_display.o
+obj-$(CONFIG_SMC911X)		+= omap3_smc911x.o

source/bootloader/u-boot-2020.01/board/compulab/common/common.c

@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Authors: Igor Grinberg <grinberg@compulab.co.il>
+ */
+
+#include <common.h>
+#include <asm/bootm.h>
+#include <asm/gpio.h>
+#include <asm/setup.h>
+
+#include "common.h"
+#include "eeprom.h"
+
+void cl_print_pcb_info(void)
+{
+	u32 board_rev = get_board_rev();
+	u32 rev_major = board_rev / 100;
+	u32 rev_minor = board_rev - (rev_major * 100);
+
+	if ((rev_minor / 10) * 10 == rev_minor)
+		rev_minor = rev_minor / 10;
+
+	printf("PCB:   %u.%u\n", rev_major, rev_minor);
+}
+
+#ifdef CONFIG_SERIAL_TAG
+void __weak get_board_serial(struct tag_serialnr *serialnr)
+{
+	/*
+	 * This corresponds to what happens when we can communicate with the
+	 * eeprom but don't get a valid board serial value.
+	 */
+	serialnr->low = 0;
+	serialnr->high = 0;
+};
+#endif
+
+#ifdef CONFIG_CMD_USB
+int cl_usb_hub_init(int gpio, const char *label)
+{
+	if (gpio_request(gpio, label)) {
+		printf("Error: can't obtain GPIO%d for %s", gpio, label);
+		return -1;
+	}
+
+	gpio_direction_output(gpio, 0);
+	udelay(10);
+	gpio_set_value(gpio, 1);
+	udelay(1000);
+	return 0;
+}
+
+void cl_usb_hub_deinit(int gpio)
+{
+	gpio_free(gpio);
+}
+#endif

source/bootloader/u-boot-2020.01/board/compulab/common/common.h

@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Authors: Igor Grinberg <grinberg@compulab.co.il>
+ */
+
+#ifndef _CL_COMMON_
+#define _CL_COMMON_
+
+#include <linux/errno.h>
+
+void cl_print_pcb_info(void);
+
+#ifdef CONFIG_CMD_USB
+int cl_usb_hub_init(int gpio, const char *label);
+void cl_usb_hub_deinit(int gpio);
+#else /* !CONFIG_CMD_USB */
+static inline int cl_usb_hub_init(int gpio, const char *label)
+{
+	return -ENOSYS;
+}
+static inline void cl_usb_hub_deinit(int gpio) {}
+#endif /* CONFIG_CMD_USB */
+
+#ifdef CONFIG_SMC911X
+int cl_omap3_smc911x_init(int id, int cs, u32 base_addr,
+			  int (*reset)(int), int rst_gpio);
+#else /* !CONFIG_SMC911X */
+static inline int cl_omap3_smc911x_init(int id, int cs, u32 base_addr,
+					int (*reset)(int), int rst_gpio)
+{
+	return -ENOSYS;
+}
+#endif /* CONFIG_SMC911X */
+
+#endif /* _CL_COMMON_ */

source/bootloader/u-boot-2020.01/board/compulab/common/eeprom.c

@@ -0,0 +1,528 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2011 CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Authors: Nikita Kiryanov <nikita@compulab.co.il>
+ *	    Igor Grinberg <grinberg@compulab.co.il>
+ */
+
+#include <common.h>
+#include <eeprom.h>
+#include <i2c.h>
+#include <eeprom_layout.h>
+#include <eeprom_field.h>
+#include <asm/setup.h>
+#include <linux/kernel.h>
+#include "eeprom.h"
+
+#ifndef CONFIG_SYS_I2C_EEPROM_ADDR
+# define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
+# define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
+#endif
+
+#ifndef CONFIG_SYS_I2C_EEPROM_BUS
+#define CONFIG_SYS_I2C_EEPROM_BUS	0
+#endif
+
+#define EEPROM_LAYOUT_VER_OFFSET	44
+#define BOARD_SERIAL_OFFSET		20
+#define BOARD_SERIAL_OFFSET_LEGACY	8
+#define BOARD_REV_OFFSET		0
+#define BOARD_REV_OFFSET_LEGACY		6
+#define BOARD_REV_SIZE			2
+#define PRODUCT_NAME_OFFSET		128
+#define PRODUCT_NAME_SIZE		16
+#define MAC_ADDR_OFFSET			4
+#define MAC_ADDR_OFFSET_LEGACY		0
+
+#define LAYOUT_INVALID	0
+#define LAYOUT_LEGACY	0xff
+
+static int cl_eeprom_bus;
+static int cl_eeprom_layout; /* Implicitly LAYOUT_INVALID */
+
+static int cl_eeprom_read(uint offset, uchar *buf, int len)
+{
+	int res;
+	unsigned int current_i2c_bus = i2c_get_bus_num();
+
+	res = i2c_set_bus_num(cl_eeprom_bus);
+	if (res < 0)
+		return res;
+
+	res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset,
+			CONFIG_SYS_I2C_EEPROM_ADDR_LEN, buf, len);
+
+	i2c_set_bus_num(current_i2c_bus);
+
+	return res;
+}
+
+static int cl_eeprom_setup(uint eeprom_bus)
+{
+	int res;
+
+	/*
+	 * We know the setup was already done when the layout is set to a valid
+	 * value and we're using the same bus as before.
+	 */
+	if (cl_eeprom_layout != LAYOUT_INVALID && eeprom_bus == cl_eeprom_bus)
+		return 0;
+
+	cl_eeprom_bus = eeprom_bus;
+	res = cl_eeprom_read(EEPROM_LAYOUT_VER_OFFSET,
+			     (uchar *)&cl_eeprom_layout, 1);
+	if (res) {
+		cl_eeprom_layout = LAYOUT_INVALID;
+		return res;
+	}
+
+	if (cl_eeprom_layout == 0 || cl_eeprom_layout >= 0x20)
+		cl_eeprom_layout = LAYOUT_LEGACY;
+
+	return 0;
+}
+
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+	u32 serial[2];
+	uint offset;
+
+	memset(serialnr, 0, sizeof(*serialnr));
+
+	if (cl_eeprom_setup(CONFIG_SYS_I2C_EEPROM_BUS))
+		return;
+
+	offset = (cl_eeprom_layout != LAYOUT_LEGACY) ?
+		BOARD_SERIAL_OFFSET : BOARD_SERIAL_OFFSET_LEGACY;
+
+	if (cl_eeprom_read(offset, (uchar *)serial, 8))
+		return;
+
+	if (serial[0] != 0xffffffff && serial[1] != 0xffffffff) {
+		serialnr->low = serial[0];
+		serialnr->high = serial[1];
+	}
+}
+
+/*
+ * Routine: cl_eeprom_read_mac_addr
+ * Description: read mac address and store it in buf.
+ */
+int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus)
+{
+	uint offset;
+	int err;
+
+	err = cl_eeprom_setup(eeprom_bus);
+	if (err)
+		return err;
+
+	offset = (cl_eeprom_layout != LAYOUT_LEGACY) ?
+			MAC_ADDR_OFFSET : MAC_ADDR_OFFSET_LEGACY;
+
+	return cl_eeprom_read(offset, buf, 6);
+}
+
+static u32 board_rev;
+
+/*
+ * Routine: cl_eeprom_get_board_rev
+ * Description: read system revision from eeprom
+ */
+u32 cl_eeprom_get_board_rev(uint eeprom_bus)
+{
+	char str[5]; /* Legacy representation can contain at most 4 digits */
+	uint offset = BOARD_REV_OFFSET_LEGACY;
+
+	if (board_rev)
+		return board_rev;
+
+	if (cl_eeprom_setup(eeprom_bus))
+		return 0;
+
+	if (cl_eeprom_layout != LAYOUT_LEGACY)
+		offset = BOARD_REV_OFFSET;
+
+	if (cl_eeprom_read(offset, (uchar *)&board_rev, BOARD_REV_SIZE))
+		return 0;
+
+	/*
+	 * Convert legacy syntactic representation to semantic
+	 * representation. i.e. for rev 1.00: 0x100 --> 0x64
+	 */
+	if (cl_eeprom_layout == LAYOUT_LEGACY) {
+		sprintf(str, "%x", board_rev);
+		board_rev = simple_strtoul(str, NULL, 10);
+	}
+
+	return board_rev;
+};
+
+/*
+ * Routine: cl_eeprom_get_board_rev
+ * Description: read system revision from eeprom
+ *
+ * @buf: buffer to store the product name
+ * @eeprom_bus: i2c bus num of the eeprom
+ *
+ * @return: 0 on success, < 0 on failure
+ */
+int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus)
+{
+	int err;
+
+	if (buf == NULL)
+		return -EINVAL;
+
+	err = cl_eeprom_setup(eeprom_bus);
+	if (err)
+		return err;
+
+	err = cl_eeprom_read(PRODUCT_NAME_OFFSET, buf, PRODUCT_NAME_SIZE);
+	if (!err) /* Protect ourselves from invalid data (unterminated str) */
+		buf[PRODUCT_NAME_SIZE - 1] = '\0';
+
+	return err;
+}
+
+#ifdef CONFIG_CMD_EEPROM_LAYOUT
+/**
+ * eeprom_field_print_bin_ver() - print a "version field" which contains binary
+ *				  data
+ *
+ * Treat the field data as simple binary data, and print it formatted as a
+ * version number (2 digits after decimal point).
+ * The field size must be exactly 2 bytes.
+ *
+ * Sample output:
+ *      Field Name      123.45
+ *
+ * @field:	an initialized field to print
+ */
+void eeprom_field_print_bin_ver(const struct eeprom_field *field)
+{
+	if ((field->buf[0] == 0xff) && (field->buf[1] == 0xff)) {
+		field->buf[0] = 0;
+		field->buf[1] = 0;
+	}
+
+	printf(PRINT_FIELD_SEGMENT, field->name);
+	int major = (field->buf[1] << 8 | field->buf[0]) / 100;
+	int minor = (field->buf[1] << 8 | field->buf[0]) - major * 100;
+	printf("%d.%02d\n", major, minor);
+}
+
+/**
+ * eeprom_field_update_bin_ver() - update a "version field" which contains
+ *				   binary data
+ *
+ * This function takes a version string in the form of x.y (x and y are both
+ * decimal values, y is limited to two digits), translates it to the binary
+ * form, then writes it to the field. The field size must be exactly 2 bytes.
+ *
+ * This function strictly enforces the data syntax, and will not update the
+ * field if there's any deviation from it. It also protects from overflow.
+ *
+ * @field:	an initialized field
+ * @value:	a version string
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+int eeprom_field_update_bin_ver(struct eeprom_field *field, char *value)
+{
+	char *endptr;
+	char *tok = strtok(value, ".");
+	if (tok == NULL)
+		return -1;
+
+	int num = simple_strtol(tok, &endptr, 0);
+	if (*endptr != '\0')
+		return -1;
+
+	tok = strtok(NULL, "");
+	if (tok == NULL)
+		return -1;
+
+	int remainder = simple_strtol(tok, &endptr, 0);
+	if (*endptr != '\0')
+		return -1;
+
+	num = num * 100 + remainder;
+	if (num >> 16)
+		return -1;
+
+	field->buf[0] = (unsigned char)num;
+	field->buf[1] = num >> 8;
+
+	return 0;
+}
+
+char *months[12] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
+		    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
+
+/**
+ * eeprom_field_print_date() - print a field which contains date data
+ *
+ * Treat the field data as simple binary data, and print it formatted as a date.
+ * Sample output:
+ *      Field Name      07/Feb/2014
+ *      Field Name      56/BAD/9999
+ *
+ * @field:	an initialized field to print
+ */
+void eeprom_field_print_date(const struct eeprom_field *field)
+{
+	printf(PRINT_FIELD_SEGMENT, field->name);
+	printf("%02d/", field->buf[0]);
+	if (field->buf[1] >= 1 && field->buf[1] <= 12)
+		printf("%s", months[field->buf[1] - 1]);
+	else
+		printf("BAD");
+
+	printf("/%d\n", field->buf[3] << 8 | field->buf[2]);
+}
+
+static int validate_date(unsigned char day, unsigned char month,
+			unsigned int year)
+{
+	int days_in_february;
+
+	switch (month) {
+	case 0:
+	case 2:
+	case 4:
+	case 6:
+	case 7:
+	case 9:
+	case 11:
+		if (day > 31)
+			return -1;
+		break;
+	case 3:
+	case 5:
+	case 8:
+	case 10:
+		if (day > 30)
+			return -1;
+		break;
+	case 1:
+		days_in_february = 28;
+		if (year % 4 == 0) {
+			if (year % 100 != 0)
+				days_in_february = 29;
+			else if (year % 400 == 0)
+				days_in_february = 29;
+		}
+
+		if (day > days_in_february)
+			return -1;
+
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * eeprom_field_update_date() - update a date field which contains binary data
+ *
+ * This function takes a date string in the form of x/Mon/y (x and y are both
+ * decimal values), translates it to the binary representation, then writes it
+ * to the field.
+ *
+ * This function strictly enforces the data syntax, and will not update the
+ * field if there's any deviation from it. It also protects from overflow in the
+ * year value, and checks the validity of the date.
+ *
+ * @field:	an initialized field
+ * @value:	a date string
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+int eeprom_field_update_date(struct eeprom_field *field, char *value)
+{
+	char *endptr;
+	char *tok1 = strtok(value, "/");
+	char *tok2 = strtok(NULL, "/");
+	char *tok3 = strtok(NULL, "/");
+
+	if (tok1 == NULL || tok2 == NULL || tok3 == NULL) {
+		printf("%s: syntax error\n", field->name);
+		return -1;
+	}
+
+	unsigned char day = (unsigned char)simple_strtol(tok1, &endptr, 0);
+	if (*endptr != '\0' || day == 0) {
+		printf("%s: invalid day\n", field->name);
+		return -1;
+	}
+
+	unsigned char month;
+	for (month = 1; month <= 12; month++)
+		if (!strcmp(tok2, months[month - 1]))
+			break;
+
+	unsigned int year = simple_strtol(tok3, &endptr, 0);
+	if (*endptr != '\0') {
+		printf("%s: invalid year\n", field->name);
+		return -1;
+	}
+
+	if (validate_date(day, month - 1, year)) {
+		printf("%s: invalid date\n", field->name);
+		return -1;
+	}
+
+	if (year >> 16) {
+		printf("%s: year overflow\n", field->name);
+		return -1;
+	}
+
+	field->buf[0] = day;
+	field->buf[1] = month;
+	field->buf[2] = (unsigned char)year;
+	field->buf[3] = (unsigned char)(year >> 8);
+
+	return 0;
+}
+
+#define	LAYOUT_VERSION_LEGACY 1
+#define	LAYOUT_VERSION_VER1 2
+#define	LAYOUT_VERSION_VER2 3
+#define	LAYOUT_VERSION_VER3 4
+
+extern struct eeprom_field layout_unknown[1];
+
+#define DEFINE_PRINT_UPDATE(x) eeprom_field_print_##x, eeprom_field_update_##x
+
+#ifdef CONFIG_CM_T3X
+struct eeprom_field layout_legacy[5] = {
+	{ "MAC address",          6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "Board Revision",       2, NULL, DEFINE_PRINT_UPDATE(bin) },
+	{ "Serial Number",        8, NULL, DEFINE_PRINT_UPDATE(bin) },
+	{ "Board Configuration", 64, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ RESERVED_FIELDS,      176, NULL, eeprom_field_print_reserved,
+					   eeprom_field_update_ascii },
+};
+#else
+#define layout_legacy layout_unknown
+#endif
+
+#if defined(CONFIG_CM_T3X)
+struct eeprom_field layout_v1[12] = {
+	{ "Major Revision",      2, NULL, DEFINE_PRINT_UPDATE(bin_ver) },
+	{ "Minor Revision",      2, NULL, DEFINE_PRINT_UPDATE(bin_ver) },
+	{ "1st MAC Address",     6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "2nd MAC Address",     6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "Production Date",     4, NULL, DEFINE_PRINT_UPDATE(date) },
+	{ "Serial Number",      12, NULL, DEFINE_PRINT_UPDATE(bin_rev) },
+	{ RESERVED_FIELDS,      96, NULL, DEFINE_PRINT_UPDATE(reserved) },
+	{ "Product Name",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #1", 16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #2", 16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #3", 16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ RESERVED_FIELDS,      64, NULL, eeprom_field_print_reserved,
+					  eeprom_field_update_ascii },
+};
+#else
+#define layout_v1 layout_unknown
+#endif
+
+struct eeprom_field layout_v2[15] = {
+	{ "Major Revision",            2, NULL, DEFINE_PRINT_UPDATE(bin_ver) },
+	{ "Minor Revision",            2, NULL, DEFINE_PRINT_UPDATE(bin_ver) },
+	{ "1st MAC Address",           6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "2nd MAC Address",           6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "Production Date",           4, NULL, DEFINE_PRINT_UPDATE(date) },
+	{ "Serial Number",            12, NULL, DEFINE_PRINT_UPDATE(bin_rev) },
+	{ "3rd MAC Address (WIFI)",    6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "4th MAC Address (Bluetooth)", 6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "Layout Version",            1, NULL, DEFINE_PRINT_UPDATE(bin) },
+	{ RESERVED_FIELDS,            83, NULL, DEFINE_PRINT_UPDATE(reserved) },
+	{ "Product Name",             16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #1",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #2",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #3",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ RESERVED_FIELDS,            64, NULL, eeprom_field_print_reserved,
+						eeprom_field_update_ascii },
+};
+
+struct eeprom_field layout_v3[16] = {
+	{ "Major Revision",            2, NULL, DEFINE_PRINT_UPDATE(bin_ver) },
+	{ "Minor Revision",            2, NULL, DEFINE_PRINT_UPDATE(bin_ver) },
+	{ "1st MAC Address",           6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "2nd MAC Address",           6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "Production Date",           4, NULL, DEFINE_PRINT_UPDATE(date) },
+	{ "Serial Number",            12, NULL, DEFINE_PRINT_UPDATE(bin_rev) },
+	{ "3rd MAC Address (WIFI)",    6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "4th MAC Address (Bluetooth)", 6, NULL, DEFINE_PRINT_UPDATE(mac) },
+	{ "Layout Version",            1, NULL, DEFINE_PRINT_UPDATE(bin) },
+	{ "CompuLab EEPROM ID",        3, NULL, DEFINE_PRINT_UPDATE(bin) },
+	{ RESERVED_FIELDS,            80, NULL, DEFINE_PRINT_UPDATE(reserved) },
+	{ "Product Name",             16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #1",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #2",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ "Product Options #3",       16, NULL, DEFINE_PRINT_UPDATE(ascii) },
+	{ RESERVED_FIELDS,            64, NULL, eeprom_field_print_reserved,
+						eeprom_field_update_ascii },
+};
+
+void eeprom_layout_assign(struct eeprom_layout *layout, int layout_version)
+{
+	switch (layout->layout_version) {
+	case LAYOUT_VERSION_LEGACY:
+		layout->fields = layout_legacy;
+		layout->num_of_fields = ARRAY_SIZE(layout_legacy);
+		break;
+	case LAYOUT_VERSION_VER1:
+		layout->fields = layout_v1;
+		layout->num_of_fields = ARRAY_SIZE(layout_v1);
+		break;
+	case LAYOUT_VERSION_VER2:
+		layout->fields = layout_v2;
+		layout->num_of_fields = ARRAY_SIZE(layout_v2);
+		break;
+	case LAYOUT_VERSION_VER3:
+		layout->fields = layout_v3;
+		layout->num_of_fields = ARRAY_SIZE(layout_v3);
+		break;
+	default:
+		__eeprom_layout_assign(layout, layout_version);
+	}
+}
+
+int eeprom_parse_layout_version(char *str)
+{
+	if (!strcmp(str, "legacy"))
+		return LAYOUT_VERSION_LEGACY;
+	else if (!strcmp(str, "v1"))
+		return LAYOUT_VERSION_VER1;
+	else if (!strcmp(str, "v2"))
+		return LAYOUT_VERSION_VER2;
+	else if (!strcmp(str, "v3"))
+		return LAYOUT_VERSION_VER3;
+	else
+		return LAYOUT_VERSION_UNRECOGNIZED;
+}
+
+int eeprom_layout_detect(unsigned char *data)
+{
+	switch (data[EEPROM_LAYOUT_VER_OFFSET]) {
+	case 0xff:
+	case 0:
+		return LAYOUT_VERSION_VER1;
+	case 2:
+		return LAYOUT_VERSION_VER2;
+	case 3:
+		return LAYOUT_VERSION_VER3;
+	}
+
+	if (data[EEPROM_LAYOUT_VER_OFFSET] >= 0x20)
+		return LAYOUT_VERSION_LEGACY;
+
+	return LAYOUT_VERSION_UNRECOGNIZED;
+}
+#endif

source/bootloader/u-boot-2020.01/board/compulab/common/eeprom.h

@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2011 CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Authors: Nikita Kiryanov <nikita@compulab.co.il>
+ *	    Igor Grinberg <grinberg@compulab.co.il>
+ */
+
+#ifndef _EEPROM_
+#define _EEPROM_
+#include <errno.h>
+
+#ifdef CONFIG_SYS_I2C
+int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus);
+u32 cl_eeprom_get_board_rev(uint eeprom_bus);
+int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus);
+#else
+static inline int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus)
+{
+	return 1;
+}
+static inline u32 cl_eeprom_get_board_rev(uint eeprom_bus)
+{
+	return 0;
+}
+static inline int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus)
+{
+	return -ENOSYS;
+}
+#endif
+
+#endif

source/bootloader/u-boot-2020.01/board/compulab/common/omap3_display.c

@@ -0,0 +1,452 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2012 - 2013 CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Authors: Nikita Kiryanov <nikita@compulab.co.il>
+ *
+ * Parsing code based on linux/drivers/video/pxafb.c
+ */
+
+#include <common.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <env.h>
+#include <stdio_dev.h>
+#include <asm/arch/dss.h>
+#include <lcd.h>
+#include <scf0403_lcd.h>
+#include <asm/arch-omap3/dss.h>
+
+enum display_type {
+	NONE,
+	DVI,
+	DVI_CUSTOM,
+	DATA_IMAGE, /* #define CONFIG_SCF0403_LCD to use */
+};
+
+#define CMAP_ADDR	0x80100000
+
+/*
+ * The frame buffer is allocated before we have the chance to parse user input.
+ * To make sure enough memory is allocated for all resolutions, we define
+ * vl_{col | row} to the maximal resolution supported by OMAP3.
+ */
+vidinfo_t panel_info = {
+	.vl_col  = 1400,
+	.vl_row  = 1050,
+	.vl_bpix = LCD_BPP,
+	.cmap = (ushort *)CMAP_ADDR,
+};
+
+static struct panel_config panel_cfg;
+static enum display_type lcd_def;
+
+/*
+ * A note on DVI presets;
+ * U-Boot can convert 8 bit BMP data to 16 bit BMP data, and OMAP DSS can
+ * convert 16 bit data into 24 bit data. Thus, GFXFORMAT_RGB16 allows us to
+ * support two BMP types with one setting.
+ */
+static const struct panel_config preset_dvi_640X480 = {
+	.lcd_size	= PANEL_LCD_SIZE(640, 480),
+	.timing_h	= DSS_HBP(48) | DSS_HFP(16) | DSS_HSW(96),
+	.timing_v	= DSS_VBP(33) | DSS_VFP(10) | DSS_VSW(2),
+	.pol_freq	= DSS_IHS | DSS_IVS | DSS_IPC,
+	.divisor	= 12 | (1 << 16),
+	.data_lines	= LCD_INTERFACE_24_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+static const struct panel_config preset_dvi_800X600 = {
+	.lcd_size	= PANEL_LCD_SIZE(800, 600),
+	.timing_h	= DSS_HBP(88) | DSS_HFP(40) | DSS_HSW(128),
+	.timing_v	= DSS_VBP(23) | DSS_VFP(1) | DSS_VSW(4),
+	.pol_freq	= DSS_IHS | DSS_IVS | DSS_IPC,
+	.divisor	= 8 | (1 << 16),
+	.data_lines	= LCD_INTERFACE_24_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+static const struct panel_config preset_dvi_1024X768 = {
+	.lcd_size	= PANEL_LCD_SIZE(1024, 768),
+	.timing_h	= DSS_HBP(160) | DSS_HFP(24) | DSS_HSW(136),
+	.timing_v	= DSS_VBP(29) | DSS_VFP(3) | DSS_VSW(6),
+	.pol_freq	= DSS_IHS | DSS_IVS | DSS_IPC,
+	.divisor	= 5 | (1 << 16),
+	.data_lines	= LCD_INTERFACE_24_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+static const struct panel_config preset_dvi_1152X864 = {
+	.lcd_size	= PANEL_LCD_SIZE(1152, 864),
+	.timing_h	= DSS_HBP(256) | DSS_HFP(64) | DSS_HSW(128),
+	.timing_v	= DSS_VBP(32) | DSS_VFP(1) | DSS_VSW(3),
+	.pol_freq	= DSS_IHS | DSS_IVS | DSS_IPC,
+	.divisor	= 4 | (1 << 16),
+	.data_lines	= LCD_INTERFACE_24_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+static const struct panel_config preset_dvi_1280X960 = {
+	.lcd_size	= PANEL_LCD_SIZE(1280, 960),
+	.timing_h	= DSS_HBP(312) | DSS_HFP(96) | DSS_HSW(112),
+	.timing_v	= DSS_VBP(36) | DSS_VFP(1) | DSS_VSW(3),
+	.pol_freq	= DSS_IHS | DSS_IVS | DSS_IPC,
+	.divisor	= 3 | (1 << 16),
+	.data_lines	= LCD_INTERFACE_24_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+static const struct panel_config preset_dvi_1280X1024 = {
+	.lcd_size	= PANEL_LCD_SIZE(1280, 1024),
+	.timing_h	= DSS_HBP(248) | DSS_HFP(48) | DSS_HSW(112),
+	.timing_v	= DSS_VBP(38) | DSS_VFP(1) | DSS_VSW(3),
+	.pol_freq	= DSS_IHS | DSS_IVS | DSS_IPC,
+	.divisor	= 3 | (1 << 16),
+	.data_lines	= LCD_INTERFACE_24_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+static const struct panel_config preset_dataimage_480X800 = {
+	.lcd_size	= PANEL_LCD_SIZE(480, 800),
+	.timing_h	= DSS_HBP(2) | DSS_HFP(2) | DSS_HSW(2),
+	.timing_v	= DSS_VBP(17) | DSS_VFP(20) | DSS_VSW(3),
+	.pol_freq	= DSS_IVS | DSS_IHS | DSS_IPC | DSS_ONOFF,
+	.divisor	= 10 | (1 << 10),
+	.data_lines	= LCD_INTERFACE_18_BIT,
+	.panel_type	= ACTIVE_DISPLAY,
+	.load_mode	= 2,
+	.gfx_format	= GFXFORMAT_RGB16,
+};
+
+/*
+ * set_resolution_params()
+ *
+ * Due to usage of multiple display related APIs resolution data is located in
+ * more than one place. This function updates them all.
+ */
+static void set_resolution_params(int x, int y)
+{
+	panel_cfg.lcd_size = PANEL_LCD_SIZE(x, y);
+	panel_info.vl_col = x;
+	panel_info.vl_row = y;
+	lcd_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
+}
+
+static void set_preset(const struct panel_config preset, int x_res, int y_res)
+{
+	panel_cfg = preset;
+	set_resolution_params(x_res, y_res);
+}
+
+static enum display_type set_dvi_preset(const struct panel_config preset,
+					int x_res, int y_res)
+{
+	set_preset(preset, x_res, y_res);
+	return DVI;
+}
+
+static enum display_type set_dataimage_preset(const struct panel_config preset,
+		int x_res, int y_res)
+{
+	set_preset(preset, x_res, y_res);
+	return DATA_IMAGE;
+}
+
+/*
+ * parse_mode() - parse the mode parameter of custom lcd settings
+ *
+ * @mode:	<res_x>x<res_y>
+ *
+ * Returns -1 on error, 0 on success.
+ */
+static int parse_mode(const char *mode)
+{
+	unsigned int modelen = strlen(mode);
+	int res_specified = 0;
+	unsigned int xres = 0, yres = 0;
+	int yres_specified = 0;
+	int i;
+
+	for (i = modelen - 1; i >= 0; i--) {
+		switch (mode[i]) {
+		case 'x':
+			if (!yres_specified) {
+				yres = simple_strtoul(&mode[i + 1], NULL, 0);
+				yres_specified = 1;
+			} else {
+				goto done_parsing;
+			}
+
+			break;
+		case '0' ... '9':
+			break;
+		default:
+			goto done_parsing;
+		}
+	}
+
+	if (i < 0 && yres_specified) {
+		xres = simple_strtoul(mode, NULL, 0);
+		res_specified = 1;
+	}
+
+done_parsing:
+	if (res_specified) {
+		set_resolution_params(xres, yres);
+	} else {
+		printf("LCD: invalid mode: %s\n", mode);
+		return -1;
+	}
+
+	return 0;
+}
+
+#define PIXEL_CLK_NUMERATOR (26 * 432 / 39)
+/*
+ * parse_pixclock() - Parse the pixclock parameter of custom lcd settings
+ *
+ * @pixclock:	the desired pixel clock
+ *
+ * Returns -1 on error, 0 on success.
+ *
+ * Handling the pixel_clock:
+ *
+ * Pixel clock is defined in the OMAP35x TRM as follows:
+ * pixel_clock =
+ * (SYS_CLK * 2 * PRCM.CM_CLKSEL2_PLL[18:8]) /
+ * (DSS.DISPC_DIVISOR[23:16] * DSS.DISPC_DIVISOR[6:0] *
+ * PRCM.CM_CLKSEL_DSS[4:0] * (PRCM.CM_CLKSEL2_PLL[6:0] + 1))
+ *
+ * In practice, this means that in order to set the
+ * divisor for the desired pixel clock one needs to
+ * solve the following equation:
+ *
+ * 26 * 432 / (39 * <pixel_clock>) = DSS.DISPC_DIVISOR[6:0]
+ *
+ * NOTE: the explicit equation above is reduced. Do not
+ * try to infer anything from these numbers.
+ */
+static int parse_pixclock(char *pixclock)
+{
+	int divisor, pixclock_val;
+	char *pixclk_start = pixclock;
+
+	pixclock_val = simple_strtoul(pixclock, &pixclock, 10);
+	divisor = DIV_ROUND_UP(PIXEL_CLK_NUMERATOR, pixclock_val);
+	/* 0 and 1 are illegal values for PCD */
+	if (divisor <= 1)
+		divisor = 2;
+
+	panel_cfg.divisor = divisor | (1 << 16);
+	if (pixclock[0] != '\0') {
+		printf("LCD: invalid value for pixclock:%s\n", pixclk_start);
+		return -1;
+	}
+
+	return 0;
+}
+
+/*
+ * parse_setting() - parse a single setting of custom lcd parameters
+ *
+ * @setting:	The custom lcd setting <name>:<value>
+ *
+ * Returns -1 on failure, 0 on success.
+ */
+static int parse_setting(char *setting)
+{
+	int num_val;
+	char *setting_start = setting;
+
+	if (!strncmp(setting, "mode:", 5)) {
+		return parse_mode(setting + 5);
+	} else if (!strncmp(setting, "pixclock:", 9)) {
+		return parse_pixclock(setting + 9);
+	} else if (!strncmp(setting, "left:", 5)) {
+		num_val = simple_strtoul(setting + 5, &setting, 0);
+		panel_cfg.timing_h |= DSS_HBP(num_val);
+	} else if (!strncmp(setting, "right:", 6)) {
+		num_val = simple_strtoul(setting + 6, &setting, 0);
+		panel_cfg.timing_h |= DSS_HFP(num_val);
+	} else if (!strncmp(setting, "upper:", 6)) {
+		num_val = simple_strtoul(setting + 6, &setting, 0);
+		panel_cfg.timing_v |= DSS_VBP(num_val);
+	} else if (!strncmp(setting, "lower:", 6)) {
+		num_val = simple_strtoul(setting + 6, &setting, 0);
+		panel_cfg.timing_v |= DSS_VFP(num_val);
+	} else if (!strncmp(setting, "hsynclen:", 9)) {
+		num_val = simple_strtoul(setting + 9, &setting, 0);
+		panel_cfg.timing_h |= DSS_HSW(num_val);
+	} else if (!strncmp(setting, "vsynclen:", 9)) {
+		num_val = simple_strtoul(setting + 9, &setting, 0);
+		panel_cfg.timing_v |= DSS_VSW(num_val);
+	} else if (!strncmp(setting, "hsync:", 6)) {
+		if (simple_strtoul(setting + 6, &setting, 0) == 0)
+			panel_cfg.pol_freq |= DSS_IHS;
+		else
+			panel_cfg.pol_freq &= ~DSS_IHS;
+	} else if (!strncmp(setting, "vsync:", 6)) {
+		if (simple_strtoul(setting + 6, &setting, 0) == 0)
+			panel_cfg.pol_freq |= DSS_IVS;
+		else
+			panel_cfg.pol_freq &= ~DSS_IVS;
+	} else if (!strncmp(setting, "outputen:", 9)) {
+		if (simple_strtoul(setting + 9, &setting, 0) == 0)
+			panel_cfg.pol_freq |= DSS_IEO;
+		else
+			panel_cfg.pol_freq &= ~DSS_IEO;
+	} else if (!strncmp(setting, "pixclockpol:", 12)) {
+		if (simple_strtoul(setting + 12, &setting, 0) == 0)
+			panel_cfg.pol_freq |= DSS_IPC;
+		else
+			panel_cfg.pol_freq &= ~DSS_IPC;
+	} else if (!strncmp(setting, "active", 6)) {
+		panel_cfg.panel_type = ACTIVE_DISPLAY;
+		return 0; /* Avoid sanity check below */
+	} else if (!strncmp(setting, "passive", 7)) {
+		panel_cfg.panel_type = PASSIVE_DISPLAY;
+		return 0; /* Avoid sanity check below */
+	} else if (!strncmp(setting, "display:", 8)) {
+		if (!strncmp(setting + 8, "dvi", 3)) {
+			lcd_def = DVI_CUSTOM;
+			return 0; /* Avoid sanity check below */
+		}
+	} else {
+		printf("LCD: unknown option %s\n", setting_start);
+		return -1;
+	}
+
+	if (setting[0] != '\0') {
+		printf("LCD: invalid value for %s\n", setting_start);
+		return -1;
+	}
+
+	return 0;
+}
+
+/*
+ * env_parse_customlcd() - parse custom lcd params from an environment variable.
+ *
+ * @custom_lcd_params:	The environment variable containing the lcd params.
+ *
+ * Returns -1 on failure, 0 on success.
+ */
+static int parse_customlcd(char *custom_lcd_params)
+{
+	char params_cpy[160];
+	char *setting;
+
+	strncpy(params_cpy, custom_lcd_params, 160);
+	setting = strtok(params_cpy, ",");
+	while (setting) {
+		if (parse_setting(setting) < 0)
+			return -1;
+
+		setting = strtok(NULL, ",");
+	}
+
+	/* Currently we don't support changing this via custom lcd params */
+	panel_cfg.data_lines = LCD_INTERFACE_24_BIT;
+	panel_cfg.gfx_format = GFXFORMAT_RGB16; /* See dvi predefines note */
+
+	return 0;
+}
+
+/*
+ * env_parse_displaytype() - parse display type.
+ *
+ * Parses the environment variable "displaytype", which contains the
+ * name of the display type or preset, in which case it applies its
+ * configurations.
+ *
+ * Returns the type of display that was specified.
+ */
+static enum display_type env_parse_displaytype(char *displaytype)
+{
+	if (!strncmp(displaytype, "dvi640x480", 10))
+		return set_dvi_preset(preset_dvi_640X480, 640, 480);
+	else if (!strncmp(displaytype, "dvi800x600", 10))
+		return set_dvi_preset(preset_dvi_800X600, 800, 600);
+	else if (!strncmp(displaytype, "dvi1024x768", 11))
+		return set_dvi_preset(preset_dvi_1024X768, 1024, 768);
+	else if (!strncmp(displaytype, "dvi1152x864", 11))
+		return set_dvi_preset(preset_dvi_1152X864, 1152, 864);
+	else if (!strncmp(displaytype, "dvi1280x960", 11))
+		return set_dvi_preset(preset_dvi_1280X960, 1280, 960);
+	else if (!strncmp(displaytype, "dvi1280x1024", 12))
+		return set_dvi_preset(preset_dvi_1280X1024, 1280, 1024);
+	else if (!strncmp(displaytype, "dataimage480x800", 16))
+		return set_dataimage_preset(preset_dataimage_480X800, 480, 800);
+
+	return NONE;
+}
+
+void lcd_ctrl_init(void *lcdbase)
+{
+	struct prcm *prcm = (struct prcm *)PRCM_BASE;
+	char *custom_lcd;
+	char *displaytype = env_get("displaytype");
+
+	if (displaytype == NULL)
+		return;
+
+	lcd_def = env_parse_displaytype(displaytype);
+	/* If we did not recognize the preset, check if it's an env variable */
+	if (lcd_def == NONE) {
+		custom_lcd = env_get(displaytype);
+		if (custom_lcd == NULL || parse_customlcd(custom_lcd) < 0)
+			return;
+	}
+
+	panel_cfg.frame_buffer = lcdbase;
+	omap3_dss_panel_config(&panel_cfg);
+	/*
+	 * Pixel clock is defined with many divisions and only few
+	 * multiplications of the system clock. Since DSS FCLK divisor is set
+	 * to 16 by default, we need to set it to a smaller value, like 3
+	 * (chosen via trial and error).
+	 */
+	clrsetbits_le32(&prcm->clksel_dss, 0xF, 3);
+}
+
+#ifdef CONFIG_SCF0403_LCD
+static void scf0403_enable(void)
+{
+	gpio_direction_output(58, 1);
+	scf0403_init(157);
+}
+#else
+static inline void scf0403_enable(void) {}
+#endif
+
+void lcd_enable(void)
+{
+	switch (lcd_def) {
+	case NONE:
+		return;
+	case DVI:
+	case DVI_CUSTOM:
+		gpio_direction_output(54, 0); /* Turn on DVI */
+		break;
+	case DATA_IMAGE:
+		scf0403_enable();
+		break;
+	}
+
+	omap3_dss_enable();
+}
+
+void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) {}

source/bootloader/u-boot-2020.01/board/compulab/common/omap3_smc911x.c

@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Authors: Igor Grinberg <grinberg@compulab.co.il>
+ */
+
+#include <common.h>
+#include <netdev.h>
+
+#include <asm/io.h>
+#include <linux/errno.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+
+#include "common.h"
+
+static u32 cl_omap3_smc911x_gpmc_net_config[GPMC_MAX_REG] = {
+	NET_GPMC_CONFIG1,
+	NET_GPMC_CONFIG2,
+	NET_GPMC_CONFIG3,
+	NET_GPMC_CONFIG4,
+	NET_GPMC_CONFIG5,
+	NET_GPMC_CONFIG6,
+	0
+};
+
+static void cl_omap3_smc911x_setup_net_chip_gmpc(int cs, u32 base_addr)
+{
+	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+
+	enable_gpmc_cs_config(cl_omap3_smc911x_gpmc_net_config,
+			      &gpmc_cfg->cs[cs], base_addr, GPMC_SIZE_16M);
+
+	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
+	writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
+
+	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
+	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
+
+	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
+	writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
+	       &ctrl_base->gpmc_nadv_ale);
+}
+
+#ifdef CONFIG_OMAP_GPIO
+static int cl_omap3_smc911x_reset_net_chip(int gpio)
+{
+	int err;
+
+	if (!gpio_is_valid(gpio))
+		return -EINVAL;
+
+	err = gpio_request(gpio, "eth rst");
+	if (err)
+		return err;
+
+	/* Set gpio as output and send a pulse */
+	gpio_direction_output(gpio, 1);
+	udelay(1);
+	gpio_set_value(gpio, 0);
+	mdelay(40);
+	gpio_set_value(gpio, 1);
+	mdelay(1);
+
+	return 0;
+}
+#else /* !CONFIG_OMAP_GPIO */
+static inline int cl_omap3_smc911x_reset_net_chip(int gpio) { return 0; }
+#endif /* CONFIG_OMAP_GPIO */
+
+int cl_omap3_smc911x_init(int id, int cs, u32 base_addr,
+			  int (*reset)(int), int rst_gpio)
+{
+	int ret;
+
+	cl_omap3_smc911x_setup_net_chip_gmpc(cs, base_addr);
+
+	if (reset)
+		reset(rst_gpio);
+	else
+		cl_omap3_smc911x_reset_net_chip(rst_gpio);
+
+	ret = smc911x_initialize(id, base_addr);
+	if (ret > 0)
+		return ret;
+
+	printf("Failed initializing SMC911x! ");
+	return 0;
+}