/** * ZuluSCSI™ - Copyright (c) 2024 Rabbit Hole Computing™ * * ZuluSCSI™ firmware is licensed under the GPL version 3 or any later version.  * * https://www.gnu.org/licenses/gpl-3.0.html * ---- * 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 . **/ #include "timings.h" #ifdef ZULUSCSI_MCU_RP23XX zuluscsi_timings_t g_zuluscsi_timings = { .clk_hz = 150000000, .scsi = { .delay0 = 0, .delay1 = 0, .req_delay = 0, .gpio_ack = 0, .gpio_req = 0, .mode = ZULUSCSI_PIO_TARGET_MODE_SIMPLE }, .sdio = { .clk_div_1mhz = 0, .clk_div_pio = 0, .delay0 = 0, .delay1 = 0 } }; #else zuluscsi_timings_t g_zuluscsi_timings = { .clk_hz = 125000000, .scsi = { .delay0 = 0, .delay1 = 0, .req_delay = 0, .mode = ZULUSCSI_PIO_TARGET_MODE_SIMPLE }, .sdio = { .clk_div_1mhz = 25, // = 125MHz clk / clk_div_pio .clk_div_pio = 5, .delay0 = 3 - 1, // subtract one for the instruction delay .delay1 = 2 - 1 // clk_div_pio - delay0 and subtract one for the instruction delay } }; #endif zuluscsi_timings_t predefined_timings[] = { { .clk_hz = 125000000, .scsi = { .delay0 = 0, .delay1 = 0, .req_delay = 0, .mode = ZULUSCSI_PIO_TARGET_MODE_SIMPLE }, .sdio = { .clk_div_1mhz = 25, // = 125MHz clk / clk_div_pio .clk_div_pio = 5, .delay0 = 3 - 1, // subtract one for the instruction delay .delay1 = 2 - 1 // clk_div_pio - delay0 and subtract one for the instruction delay } }, { .clk_hz = 150000000, .scsi = { .delay0 = 0, .delay1 = 0, .req_delay = 0, .mode = ZULUSCSI_PIO_TARGET_MODE_SIMPLE }, .sdio = { .clk_div_1mhz = 0, .clk_div_pio = 0, .delay0 = 0, .delay1 = 0 } }, { .clk_hz = 250000000, .scsi = { .delay0 = 0, .delay1 = 0, .req_delay = 0, .mode = ZULUSCSI_PIO_TARGET_MODE_SIMPLE }, .sdio = { .clk_div_1mhz = 0, .clk_div_pio = 0, .delay0 = 0, .delay1 = 0 } } }; void set_timings(uint32_t system_clk) { ; }