5  * SPDX-License-Identifier: Apache-2.0
44  * github.com/raspberrypi/pico-bootrom/blob/master/bootrom/program_flash_generic.c
46  * github.com/raspberrypi/pico-sdk/blob/master/src/rp2_common/hardware_flash/flash.c
100 	const uint max_in_flight = 16 - 2;  in __no_inline_not_in_flash_func()
109 		tx_level = ssi_hw->txflr;  in __no_inline_not_in_flash_func()
110 		rx_level = ssi_hw->rxflr;  in __no_inline_not_in_flash_func()
113 			ssi->dr0 = (uint32_t) (tx ? *tx++ : 0);  in __no_inline_not_in_flash_func()
114 			--tx_count;  in __no_inline_not_in_flash_func()
118 			rxbyte = ssi->dr0;  in __no_inline_not_in_flash_func()
121 				--rx_skip;  in __no_inline_not_in_flash_func()
126 				--rx_count;  in __no_inline_not_in_flash_func()
141 	ssi->dr0 = cmd;  in __no_inline_not_in_flash_func()
145 static ALWAYS_INLINE void flash_put_cmd_addr(uint8_t cmd, uint32_t addr)  in flash_put_cmd_addr()  argument
148 	addr |= cmd << 24;  in flash_put_cmd_addr()
150 		ssi->dr0 = addr >> 24;  in flash_put_cmd_addr()
151 		addr <<= 8;  in flash_put_cmd_addr()
155 void __no_inline_not_in_flash_func(flash_write_partial_internal)(uint32_t addr, const uint8_t *data,  in __no_inline_not_in_flash_func()
161 	flash_put_cmd_addr(FLASHCMD_PAGE_PROGRAM, addr);  in __no_inline_not_in_flash_func()
202 		LOG_ERR("Read range exceeds the flash boundaries");  in flash_rpi_read()
203 		return -EINVAL;  in flash_rpi_read()
222 		LOG_ERR("Write range exceeds the flash boundaries. Offset=%#lx, Size=%u",  in flash_rpi_write()
224 		return -EINVAL;  in flash_rpi_write()
229 	if ((offset & (PAGE_SIZE - 1)) > 0) {  in flash_rpi_write()
230 		bytes_to_write = MIN(PAGE_SIZE - (offset & (PAGE_SIZE - 1)), size);  in flash_rpi_write()
234 		size -= bytes_to_write;  in flash_rpi_write()
243 		size -= bytes_to_write;  in flash_rpi_write()
266 		LOG_ERR("Erase range exceeds the flash boundaries. Offset=%#lx, Size=%u",  in flash_rpi_erase()
268 		return -EINVAL;  in flash_rpi_erase()
272 		LOG_ERR("Erase range is not a multiple of the sector size. Offset=%#lx, Size=%u",  in flash_rpi_erase()
274 		return -EINVAL;  in flash_rpi_erase()