diff options
Diffstat (limited to 'firmware/usrp3/n230/n230_eeprom.c')
| -rw-r--r-- | firmware/usrp3/n230/n230_eeprom.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/firmware/usrp3/n230/n230_eeprom.c b/firmware/usrp3/n230/n230_eeprom.c deleted file mode 100644 index 8f756d41f..000000000 --- a/firmware/usrp3/n230/n230_eeprom.c +++ /dev/null @@ -1,196 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - -#include "../../../host/lib/usrp/n230/n230_eeprom.h" - -#include <trace.h> -#include <stddef.h> -#include <flash/spi_flash.h> -#include <flash/spif_spsn_s25flxx.h> -#include <string.h> //memcpy - -#include "../../../host/lib/usrp/n230/n230_fw_defs.h" -#include "../../../host/lib/usrp/n230/n230_fw_host_iface.h" - -static const wb_spi_slave_t flash_spi_slave = { - .base = (void*) 0xB000, - .slave_sel = 0x0001, - .clk_div = 4, //80MHz/4 = 20MHz - .mosi_edge = RISING, - .miso_edge = FALLING, - .lsb_first = false -}; - -static const spi_flash_dev_t spi_flash_device = { - .page_size = 256, - .sector_size = 65536, - .num_sectors = 254, - .bus = &flash_spi_slave -}; - -/*********************************************************************** - * Non-volatile device data - **********************************************************************/ -#define N230_FLASH_NV_DATA_OFFSET 0x800000 - -//Default values in case the EEPROM is not read, corrupt -const n230_eeprom_map_t default_eeprom = { - .data_version_major = N230_EEPROM_VER_MAJOR, - .data_version_minor = N230_EEPROM_VER_MINOR, - .hw_revision = 0, - .hw_product = 0x01, - .gateway = N230_DEFAULT_GATEWAY, - .eth_info = { - { //eth0 - .mac_addr = N230_DEFAULT_ETH0_MAC, - .subnet = N230_DEFAULT_ETH0_MASK, - .ip_addr = N230_DEFAULT_ETH0_IP - }, - { //eth1 - .mac_addr = N230_DEFAULT_ETH1_MAC, - .subnet = N230_DEFAULT_ETH1_MASK, - .ip_addr = N230_DEFAULT_ETH1_IP - } - } -}; - -//EEPROM cache -static spi_flash_session_t flash_session = {.device = NULL}; -static n230_eeprom_map_t eeprom_cache; -static bool cache_dirty = true; - -bool read_n230_eeprom() -{ - bool status = false; - if (flash_session.device == NULL) { //Initialize flash session structure for the first time - wb_spi_init(spi_flash_device.bus); - spif_init(&flash_session, &spi_flash_device, spif_spsn_s25flxx_operations()); - } - spif_read_sync(&flash_session, N230_FLASH_NV_DATA_OFFSET, &eeprom_cache, sizeof(n230_eeprom_map_t)); - - //Verify data format - status = (eeprom_cache.data_version_major == default_eeprom.data_version_major); - //Sanity communication info - if (eeprom_cache.eth_info[0].ip_addr == 0xFFFFFFFF) - eeprom_cache.eth_info[0].ip_addr = default_eeprom.eth_info[0].ip_addr; - if (eeprom_cache.eth_info[1].ip_addr == 0xFFFFFFFF) - eeprom_cache.eth_info[1].ip_addr = default_eeprom.eth_info[1].ip_addr; - if (eeprom_cache.eth_info[0].subnet == 0xFFFFFFFF) - eeprom_cache.eth_info[0].subnet = default_eeprom.eth_info[0].subnet; - if (eeprom_cache.eth_info[1].subnet == 0xFFFFFFFF) - eeprom_cache.eth_info[1].subnet = default_eeprom.eth_info[1].subnet; - - if (!status) { - UHD_FW_TRACE(WARN, "read_n230_eeprom: Initialized cache to the default map."); - memcpy(&eeprom_cache, &default_eeprom, sizeof(n230_eeprom_map_t)); - } - cache_dirty = !status; - return status; -} - -bool write_n230_eeprom() -{ - //Assumption: sizeof(n230_eeprom_map_t) <= flash_page_size - //This function would need to be reimplemented if this assumption is no longer true - if (sizeof(n230_eeprom_map_t) > flash_session.device->page_size) { - UHD_FW_TRACE(ERROR, "write_n230_eeprom: sizeof(n230_eeprom_map_t) > flash_page_size"); - return false; - } - - bool status = true; - if (cache_dirty) { - n230_eeprom_map_t device_eeprom; - spif_read_sync(&flash_session, N230_FLASH_NV_DATA_OFFSET, &device_eeprom, sizeof(n230_eeprom_map_t)); - if (memcmp(&eeprom_cache, &device_eeprom, sizeof(n230_eeprom_map_t)) != 0) { - //Cache does not match read state. Write. - UHD_FW_TRACE(DEBUG, "write_n230_eeprom: Writing data to flash..."); - status = spif_erase_sector_sync(&flash_session, N230_FLASH_NV_DATA_OFFSET); - if (status) { - status = spif_write_page_sync( - &flash_session, N230_FLASH_NV_DATA_OFFSET, &eeprom_cache, sizeof(n230_eeprom_map_t)); - } - if (!status) { - UHD_FW_TRACE(ERROR, "write_n230_eeprom: Operation failed!"); - } - cache_dirty = !status; - } else { - UHD_FW_TRACE(DEBUG, "write_n230_eeprom: No new data. Write skipped."); - //Cache matches read state. So mark as clean - cache_dirty = false; - } - } - return status; -} - -bool is_n230_eeprom_cache_dirty() -{ - return cache_dirty; -} - -n230_eeprom_map_t* get_n230_eeprom_map() -{ - cache_dirty = true; - return &eeprom_cache; -} - -const n230_eeprom_map_t* get_n230_const_eeprom_map() -{ - return &eeprom_cache; -} - -const n230_eth_eeprom_map_t* get_n230_ethernet_info(uint32_t iface) { - if (iface >= N230_NUM_ETH_PORTS) { - UHD_FW_TRACE_FSTR(ERROR, - "get_n230_ethernet_info called with iface=%d when there are only %d ports!!!", - iface, N230_NUM_ETH_PORTS); - } - return &(get_n230_const_eeprom_map()->eth_info[iface]); -} - - -/*********************************************************************** - * Storage for bootstrap FPGA Image - **********************************************************************/ -#define N230_FLASH_FPGA_IMAGE_OFFSET 0x000000 -#define N230_FLASH_FPGA_IMAGE_SIZE 0x400000 -#define N230_FLASH_NUM_FPGA_IMAGES 2 - -void read_n230_fpga_image_page(uint32_t offset, void *buf, uint32_t num_bytes) -{ - if (offset >= (N230_FLASH_NUM_FPGA_IMAGES * N230_FLASH_FPGA_IMAGE_SIZE)) { - UHD_FW_TRACE_FSTR(ERROR, "read_n230_fpga_image_page: Offset 0x%x out of bounds", offset); - } - spif_read_sync(&flash_session, N230_FLASH_FPGA_IMAGE_OFFSET + offset, buf, num_bytes); -} - -bool write_n230_fpga_image_page(uint32_t offset, const void *buf, uint32_t num_bytes) -{ - if (offset >= (N230_FLASH_NUM_FPGA_IMAGES * N230_FLASH_FPGA_IMAGE_SIZE)) { - UHD_FW_TRACE_FSTR(ERROR, "write_n230_fpga_image_page: Offset 0x%x out of bounds", offset); - return false; - } - return spif_write_page_sync(&flash_session, N230_FLASH_FPGA_IMAGE_OFFSET + offset, buf, num_bytes); -} - -bool erase_n230_fpga_image_sector(uint32_t offset) -{ - if (offset >= (N230_FLASH_NUM_FPGA_IMAGES * N230_FLASH_FPGA_IMAGE_SIZE)) { - UHD_FW_TRACE_FSTR(ERROR, "erase_n230_fpga_image_sector: Offset 0x%x out of bounds", offset); - return false; - } - return spif_erase_sector_sync(&flash_session, N230_FLASH_FPGA_IMAGE_OFFSET + offset); -} |