void
EXT_MEM_write_byte(uint8_t module, uint32_t addr, uint8_t byte)
{
MEM_CS(module, 0);
spiWrite(0, EXT_MEM_CMD_WRITE);
spiWrite(0, (uint8_t)((addr>>16)&0xFF));
spiWrite(0, (uint8_t)((addr>>8)&0xFF));
spiWrite(0, (uint8_t)(addr&0xFF));
spiWrite(0, byte);
MEM_CS(module, 1);
}
uint8_t
EXT_MEM_read_byte(uint8_t module, uint32_t addr)
{
uint8_t rx;
MEM_CS(module, 0);
spiWrite(0, EXT_MEM_CMD_READ);
spiWrite(0, (uint8_t)((addr>>16)&0xFF));
spiWrite(0, (uint8_t)((addr>>8)&0xFF));
spiWrite(0, (uint8_t)(addr&0xFF));
rx = spiWrite(0, 0xFF);
MEM_CS(module, 1);
return rx;
}
void
EXT_MEM_write_buffer(uint8_t module, uint32_t addr, uint32_t len, uint8_t *buff)
{
uint8_t i = 0;
MEM_CS(module, 0);
spiWrite(0, EXT_MEM_CMD_WRITE);
spiWrite(0, (uint8_t)((addr>>16)&0xFF));
spiWrite(0, (uint8_t)((addr>>8)&0xFF));
spiWrite(0, (uint8_t)(addr&0xFF));
for (i = 0; i < len; i++){
spiWrite(0, buff[i]);
}
MEM_CS(module, 1);
}
void
EXT_MEM_read_buffer(uint8_t module, uint32_t addr, uint32_t len, uint8_t *buff)
{
uint8_t i = 0;
MEM_CS(module, 0);;
spiWrite(0, EXT_MEM_CMD_READ);
spiWrite(0, (uint8_t)((addr>>16)&0xFF));
spiWrite(0, (uint8_t)((addr>>8)&0xFF));
spiWrite(0, (uint8_t)(addr&0xFF));
for (i = 0; i < len; i++){
buff[i] = spiWrite(0, 0xFF);
}
MEM_CS(module, 1);
}
static void ti_qspi_ctrl_mode_mmap(void *ctrl_mod_mmap, int cs, bool enable)
{
u32 val;
val = readl(ctrl_mod_mmap);
if (enable)
val |= MEM_CS(cs);
else
val &= MEM_CS_UNSELECT;
writel(val, ctrl_mod_mmap);
}
