aboutsummaryrefslogtreecommitdiff
path: root/drivers/eeprom/eeprom_i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/eeprom/eeprom_i2c.c')
-rw-r--r--drivers/eeprom/eeprom_i2c.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/eeprom/eeprom_i2c.c b/drivers/eeprom/eeprom_i2c.c
index ca8af3da5..4210f06f9 100644
--- a/drivers/eeprom/eeprom_i2c.c
+++ b/drivers/eeprom/eeprom_i2c.c
@@ -42,14 +42,6 @@
42# include "debug.h" 42# include "debug.h"
43#endif // DEBUG_EEPROM_OUTPUT 43#endif // DEBUG_EEPROM_OUTPUT
44 44
45static inline void init_i2c_if_required(void) {
46 static int done = 0;
47 if (!done) {
48 i2c_init();
49 done = 1;
50 }
51}
52
53static inline void fill_target_address(uint8_t *buffer, const void *addr) { 45static inline void fill_target_address(uint8_t *buffer, const void *addr) {
54 uintptr_t p = (uintptr_t)addr; 46 uintptr_t p = (uintptr_t)addr;
55 for (int i = 0; i < EXTERNAL_EEPROM_ADDRESS_SIZE; ++i) { 47 for (int i = 0; i < EXTERNAL_EEPROM_ADDRESS_SIZE; ++i) {
@@ -58,7 +50,7 @@ static inline void fill_target_address(uint8_t *buffer, const void *addr) {
58 } 50 }
59} 51}
60 52
61void eeprom_driver_init(void) {} 53void eeprom_driver_init(void) { i2c_init(); }
62 54
63void eeprom_driver_erase(void) { 55void eeprom_driver_erase(void) {
64#if defined(CONSOLE_ENABLE) && defined(DEBUG_EEPROM_OUTPUT) 56#if defined(CONSOLE_ENABLE) && defined(DEBUG_EEPROM_OUTPUT)
@@ -80,7 +72,6 @@ void eeprom_read_block(void *buf, const void *addr, size_t len) {
80 uint8_t complete_packet[EXTERNAL_EEPROM_ADDRESS_SIZE]; 72 uint8_t complete_packet[EXTERNAL_EEPROM_ADDRESS_SIZE];
81 fill_target_address(complete_packet, addr); 73 fill_target_address(complete_packet, addr);
82 74
83 init_i2c_if_required();
84 i2c_transmit(EXTERNAL_EEPROM_I2C_ADDRESS((uintptr_t)addr), complete_packet, EXTERNAL_EEPROM_ADDRESS_SIZE, 100); 75 i2c_transmit(EXTERNAL_EEPROM_I2C_ADDRESS((uintptr_t)addr), complete_packet, EXTERNAL_EEPROM_ADDRESS_SIZE, 100);
85 i2c_receive(EXTERNAL_EEPROM_I2C_ADDRESS((uintptr_t)addr), buf, len, 100); 76 i2c_receive(EXTERNAL_EEPROM_I2C_ADDRESS((uintptr_t)addr), buf, len, 100);
86 77
@@ -98,7 +89,6 @@ void eeprom_write_block(const void *buf, void *addr, size_t len) {
98 uint8_t * read_buf = (uint8_t *)buf; 89 uint8_t * read_buf = (uint8_t *)buf;
99 uintptr_t target_addr = (uintptr_t)addr; 90 uintptr_t target_addr = (uintptr_t)addr;
100 91
101 init_i2c_if_required();
102 while (len > 0) { 92 while (len > 0) {
103 uintptr_t page_offset = target_addr % EXTERNAL_EEPROM_PAGE_SIZE; 93 uintptr_t page_offset = target_addr % EXTERNAL_EEPROM_PAGE_SIZE;
104 int write_length = EXTERNAL_EEPROM_PAGE_SIZE - page_offset; 94 int write_length = EXTERNAL_EEPROM_PAGE_SIZE - page_offset;