C++ (Cpp) ar7240_spi_delay_8 Beispiele

Beispiel #1

Datei: ar7240_flash.c Projekt: andim2/u-boot_mod

/*
 * Returns JEDEC ID from SPI flash
 */
static ulong read_id(void){
	unsigned int flashid = 0;

	ar7240_reg_wr_nf(AR7240_SPI_FS, 1);
	ar7240_reg_wr_nf(AR7240_SPI_WRITE, AR7240_SPI_CS_DIS);

	ar7240_spi_bit_banger(0x9F);

	ar7240_spi_delay_8();
	ar7240_spi_delay_8();
	ar7240_spi_delay_8();
	ar7240_spi_delay_8();

	flashid = ar7240_reg_rd(AR7240_SPI_RD_STATUS);

	/*
	 * We have 3 bytes:
	 * - manufacture ID (1b)
	 * - product ID (2b)
	 */
	flashid = flashid >> 8;

	ar7240_spi_done();

	return((ulong)flashid);
}

Beispiel #2

Datei: ar7240_flash.c Projekt: Jokebin/wr703n-uboot-with-web-failsafe

static void
read_id(void)
{
	u32 rd = 0x777777;

	ar7240_reg_wr_nf(AR7240_SPI_WRITE, AR7240_SPI_CS_DIS);
	ar7240_spi_bit_banger(0x9f);
	ar7240_spi_delay_8();
	ar7240_spi_delay_8();
	ar7240_spi_delay_8();
	ar7240_spi_done();
	/* rd = ar7240_reg_rd(AR7240_SPI_RD_STATUS); */
	rd = ar7240_reg_rd(AR7240_SPI_READ);
	printf("id read %#x\n", rd);
}

Beispiel #3

Datei: ar7240_flash.c Projekt: Markgorden/wrtnode2q_uboot

static void
ath_spi_read_id(void)
{
	u32 rd = 0x777777;

	ar7240_reg_wr_nf(AR7240_SPI_WRITE, AR7240_SPI_CS_DIS);
	ar7240_spi_bit_banger(AR7240_SPI_CMD_RDID);
	ar7240_spi_delay_8();
	ar7240_spi_delay_8();
	ar7240_spi_delay_8();
	ar7240_spi_go();

	rd = ar7240_reg_rd(AR7240_SPI_RD_STATUS);

	printf("Flash Manuf Id 0x%x, DeviceId0 0x%x, DeviceId1 0x%x\n",
		(rd >> 16) & 0xff, (rd >> 8) & 0xff, (rd >> 0) & 0xff);
}

Beispiel #4

Datei: ar7240_flash.c Projekt: andim2/u-boot_mod

static void ar7240_spi_poll(){
	int rd;

	do {
		ar7240_reg_wr_nf(AR7240_SPI_WRITE, AR7240_SPI_CS_DIS);
		ar7240_spi_bit_banger(AR7240_SPI_CMD_RD_STATUS);
		ar7240_spi_delay_8();
		rd = (ar7240_reg_rd(AR7240_SPI_RD_STATUS) & 1);
	} while(rd);
}