| 1 | #include <stdint.h> |
| 2 | #include <stdio.h> |
| 3 | #include "ingenic_usb.h" |
| 4 | |
| 5 | #define MEM_WRITE 0 |
| 6 | #define MEM_READ 1 |
| 7 | |
| 8 | #define MEM_8BIT (0 << 1) |
| 9 | #define MEM_16BIT (1 << 1) |
| 10 | #define MEM_32BIT (2 << 1) |
| 11 | |
| 12 | static void mem_write(struct ingenic_dev *dev, uint32_t addr, uint32_t val, unsigned int width) |
| 13 | { |
| 14 | char ret[8]; |
| 15 | usb_send_data_address_to_ingenic(dev, addr); |
| 16 | usb_send_data_length_to_ingenic(dev, val); |
| 17 | usb_ingenic_mem_ops(dev, MEM_WRITE | width); |
| 18 | usb_read_data_from_ingenic(dev, ret, ARRAY_SIZE(ret)); |
| 19 | } |
| 20 | |
| 21 | static uint32_t mem_read(struct ingenic_dev *dev, uint32_t addr, unsigned int width) |
| 22 | { |
| 23 | char ret[8]; |
| 24 | usb_send_data_address_to_ingenic(dev, addr); |
| 25 | usb_ingenic_mem_ops(dev, MEM_READ | width); |
| 26 | usb_read_data_from_ingenic(dev, ret, ARRAY_SIZE(ret)); |
| 27 | |
| 28 | return (((unsigned char)ret[3]) << 24) | (((unsigned char)ret[2]) << 16) | |
| 29 | (((unsigned char)ret[1]) << 8) | ((unsigned char)ret[0]); |
| 30 | } |
| 31 | |
| 32 | void mem_write8(struct ingenic_dev *dev, uint32_t addr, uint8_t val) |
| 33 | { |
| 34 | mem_write(dev, addr, val, MEM_8BIT); |
| 35 | } |
| 36 | |
| 37 | void mem_write16(struct ingenic_dev *dev, uint32_t addr, uint16_t val) |
| 38 | { |
| 39 | mem_write(dev, addr, val, MEM_16BIT); |
| 40 | } |
| 41 | |
| 42 | void mem_write32(struct ingenic_dev *dev, uint32_t addr, uint32_t val) |
| 43 | { |
| 44 | mem_write(dev, addr, val, MEM_32BIT); |
| 45 | } |
| 46 | |
| 47 | uint8_t mem_read8(struct ingenic_dev *dev, uint32_t addr) |
| 48 | { |
| 49 | uint8_t val = mem_read(dev, addr, MEM_8BIT) & 0xff; |
| 50 | return val; |
| 51 | } |
| 52 | |
| 53 | uint16_t mem_read16(struct ingenic_dev *dev, uint32_t addr) |
| 54 | { |
| 55 | return mem_read(dev, addr, MEM_16BIT) & 0xffff; |
| 56 | } |
| 57 | |
| 58 | uint32_t mem_read32(struct ingenic_dev *dev, uint32_t addr) |
| 59 | { |
| 60 | return mem_read(dev, addr, MEM_32BIT); |
| 61 | } |
| 62 | |
