diff options
Diffstat (limited to 'roms/u-boot/board/compulab/common')
| -rw-r--r-- | roms/u-boot/board/compulab/common/Makefile | 10 | ||||
| -rw-r--r-- | roms/u-boot/board/compulab/common/common.c | 61 | ||||
| -rw-r--r-- | roms/u-boot/board/compulab/common/common.h | 37 | ||||
| -rw-r--r-- | roms/u-boot/board/compulab/common/eeprom.c | 528 | ||||
| -rw-r--r-- | roms/u-boot/board/compulab/common/eeprom.h | 32 | ||||
| -rw-r--r-- | roms/u-boot/board/compulab/common/omap3_display.c | 452 | ||||
| -rw-r--r-- | roms/u-boot/board/compulab/common/omap3_smc911x.c | 93 |
7 files changed, 1213 insertions, 0 deletions
diff --git a/roms/u-boot/board/compulab/common/Makefile b/roms/u-boot/board/compulab/common/Makefile new file mode 100644 index 000000000..7ba92f5db --- /dev/null +++ b/roms/u-boot/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 diff --git a/roms/u-boot/board/compulab/common/common.c b/roms/u-boot/board/compulab/common/common.c new file mode 100644 index 000000000..528c97df1 --- /dev/null +++ b/roms/u-boot/board/compulab/common/common.c @@ -0,0 +1,61 @@ +// 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 <malloc.h> +#include <asm/bootm.h> +#include <asm/gpio.h> +#include <asm/setup.h> +#include <linux/delay.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 diff --git a/roms/u-boot/board/compulab/common/common.h b/roms/u-boot/board/compulab/common/common.h new file mode 100644 index 000000000..17cfbb6f2 --- /dev/null +++ b/roms/u-boot/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_ */ diff --git a/roms/u-boot/board/compulab/common/eeprom.c b/roms/u-boot/board/compulab/common/eeprom.c new file mode 100644 index 000000000..5206cf5c0 --- /dev/null +++ b/roms/u-boot/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 diff --git a/roms/u-boot/board/compulab/common/eeprom.h b/roms/u-boot/board/compulab/common/eeprom.h new file mode 100644 index 000000000..a9c0203b8 --- /dev/null +++ b/roms/u-boot/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 diff --git a/roms/u-boot/board/compulab/common/omap3_display.c b/roms/u-boot/board/compulab/common/omap3_display.c new file mode 100644 index 000000000..cb9ebae7f --- /dev/null +++ b/roms/u-boot/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) {} diff --git a/roms/u-boot/board/compulab/common/omap3_smc911x.c b/roms/u-boot/board/compulab/common/omap3_smc911x.c new file mode 100644 index 000000000..f0d365272 --- /dev/null +++ b/roms/u-boot/board/compulab/common/omap3_smc911x.c @@ -0,0 +1,93 @@ +// 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 <linux/delay.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; +} |