C++ (Cpp) bfin_read_PORTH_MUX Examples

Example #1

File: pata_bfin.c Project: Medvedroid/OT_903D-kernel-2.6.35.7

/**
 *
 *	Function:       bfin_config_atapi_gpio
 *
 *	Description:    Configures the ATAPI pins for use
 *
 */
static int bfin_config_atapi_gpio(struct ata_port *ap)
{
	bfin_write_PORTH_FER(bfin_read_PORTH_FER() | 0x4);
	bfin_write_PORTH_MUX(bfin_read_PORTH_MUX() & ~0x30);
	bfin_write_PORTH_DIR_SET(0x4);

	bfin_write_PORTJ_FER(0x7f8);
	bfin_write_PORTJ_MUX(bfin_read_PORTI_MUX() & ~0x3fffc0);
	bfin_write_PORTJ_DIR_SET(0x5f8);
	bfin_write_PORTJ_DIR_CLEAR(0x200);
	bfin_write_PORTJ_INEN(0x200);

	bfin_write_PINT2_ASSIGN(0x0707);
	bfin_write_PINT2_MASK_SET(0x200);
	SSYNC();

	return 0;
}

Example #2

File: bfin_spi.c Project: Aircell/asp-u-boot

static void spi_portmux(struct spi_slave *slave)
{
#if defined(__ADSPBF51x__)
#define SET_MUX(port, mux, func) port##_mux = ((port##_mux & ~PORT_x_MUX_##mux##_MASK) | PORT_x_MUX_##mux##_FUNC_##func)
	u16 f_mux = bfin_read_PORTF_MUX();
	u16 f_fer = bfin_read_PORTF_FER();
	u16 g_mux = bfin_read_PORTG_MUX();
	u16 g_fer = bfin_read_PORTG_FER();
	u16 h_mux = bfin_read_PORTH_MUX();
	u16 h_fer = bfin_read_PORTH_FER();
	switch (slave->bus) {
	case 0:
		/* set SCK/MISO/MOSI */
		SET_MUX(g, 7, 1);
		g_fer |= PG12 | PG13 | PG14;
		switch (slave->cs) {
			case 1: SET_MUX(f, 2, 1); f_fer |= PF7;  break;
			case 2: /* see G above */ g_fer |= PG15; break;
			case 3: SET_MUX(h, 1, 3); f_fer |= PH4;  break;
			case 4: /* no muxing */   h_fer |= PH8;  break;
			case 5: SET_MUX(g, 1, 3); h_fer |= PG3;  break;
			case 6: /* no muxing */                  break;
			case 7: /* no muxing */                  break;
		}
	case 1:
		/* set SCK/MISO/MOSI */
		SET_MUX(h, 0, 2);
		h_fer |= PH1 | PH2 | PH3;
		switch (slave->cs) {
			case 1: SET_MUX(h, 2, 3); h_fer |= PH6;  break;
			case 2: SET_MUX(f, 0, 3); f_fer |= PF0;  break;
			case 3: SET_MUX(g, 0, 3); g_fer |= PG0;  break;
			case 4: SET_MUX(f, 3, 3); f_fer |= PF8;  break;
			case 5: SET_MUX(g, 6, 3); h_fer |= PG11; break;
			case 6: /* no muxing */                  break;
			case 7: /* no muxing */                  break;
		}
	}
	bfin_write_PORTF_MUX(f_mux);
	bfin_write_PORTF_FER(f_fer);
	bfin_write_PORTG_MUX(g_mux);
	bfin_write_PORTG_FER(g_fer);
	bfin_write_PORTH_MUX(h_mux);
	bfin_write_PORTH_FER(h_fer);
#elif defined(__ADSPBF52x__)
#define SET_MUX(port, mux, func) port##_mux = ((port##_mux & ~PORT_x_MUX_##mux##_MASK) | PORT_x_MUX_##mux##_FUNC_##func)
	u16 f_mux = bfin_read_PORTF_MUX();
	u16 f_fer = bfin_read_PORTF_FER();
	u16 g_mux = bfin_read_PORTG_MUX();
	u16 g_fer = bfin_read_PORTG_FER();
	u16 h_mux = bfin_read_PORTH_MUX();
	u16 h_fer = bfin_read_PORTH_FER();
	/* set SCK/MISO/MOSI */
	SET_MUX(g, 0, 3);
	g_fer |= PG2 | PG3 | PG4;
	switch (slave->cs) {
		case 1: /* see G above */ g_fer |= PG1;  break;
		case 2: SET_MUX(f, 4, 3); f_fer |= PF12; break;
		case 3: SET_MUX(f, 4, 3); f_fer |= PF13; break;
		case 4: SET_MUX(h, 1, 1); h_fer |= PH8;  break;
		case 5: SET_MUX(h, 2, 1); h_fer |= PH9;  break;
		case 6: SET_MUX(f, 1, 3); f_fer |= PF9;  break;
		case 7: SET_MUX(f, 2, 3); f_fer |= PF10; break;
	}
	bfin_write_PORTF_MUX(f_mux);
	bfin_write_PORTF_FER(f_fer);
	bfin_write_PORTG_MUX(g_mux);
	bfin_write_PORTG_FER(g_fer);
	bfin_write_PORTH_MUX(h_mux);
	bfin_write_PORTH_FER(h_fer);
#elif defined(__ADSPBF534__) || defined(__ADSPBF536__) || defined(__ADSPBF537__)
	u16 mux = bfin_read_PORT_MUX();
	u16 f_fer = bfin_read_PORTF_FER();
	/* set SCK/MISO/MOSI */
	f_fer |= PF11 | PF12 | PF13;
	switch (slave->cs) {
		case 1: f_fer |= PF10; break;
		case 2: mux |= PJSE; break;
		case 3: mux |= PJSE; break;
		case 4: mux |= PFS4E; f_fer |= PF6; break;
		case 5: mux |= PFS5E; f_fer |= PF5; break;
		case 6: mux |= PFS6E; f_fer |= PF4; break;
		case 7: mux |= PJCE_SPI; break;
	}
	bfin_write_PORT_MUX(mux);
	bfin_write_PORTF_FER(f_fer);
#elif defined(__ADSPBF538__) || defined(__ADSPBF539__)
	u16 fer, pins;
	if (slave->bus == 1)
		pins = PD0 | PD1 | PD2 | (slave->cs == 1 ? PD4 : 0);
	else if (slave->bus == 2)
		pins = PD5 | PD6 | PD7 | (slave->cs == 1 ? PD9 : 0);
	else
		pins = 0;
	if (pins) {
		fer = bfin_read_PORTDIO_FER();
		fer &= ~pins;
		bfin_write_PORTDIO_FER(fer);
	}
#elif defined(__ADSPBF54x__)
#define DO_MUX(port, pin) \
	mux = ((mux & ~PORT_x_MUX_##pin##_MASK) | PORT_x_MUX_##pin##_FUNC_1); \
	fer |= P##port##pin;
	u32 mux;
	u16 fer;
	switch (slave->bus) {
	case 0:
		mux = bfin_read_PORTE_MUX();
		fer = bfin_read_PORTE_FER();
		/* set SCK/MISO/MOSI */
		DO_MUX(E, 0);
		DO_MUX(E, 1);
		DO_MUX(E, 2);
		switch (slave->cs) {
			case 1: DO_MUX(E, 4); break;
			case 2: DO_MUX(E, 5); break;
			case 3: DO_MUX(E, 6); break;
		}
		bfin_write_PORTE_MUX(mux);
		bfin_write_PORTE_FER(fer);
		break;
	case 1:
		mux = bfin_read_PORTG_MUX();
		fer = bfin_read_PORTG_FER();
		/* set SCK/MISO/MOSI */
		DO_MUX(G, 8);
		DO_MUX(G, 9);
		DO_MUX(G, 10);
		switch (slave->cs) {
			case 1: DO_MUX(G, 5); break;
			case 2: DO_MUX(G, 6); break;
			case 3: DO_MUX(G, 7); break;
		}
		bfin_write_PORTG_MUX(mux);
		bfin_write_PORTG_FER(fer);
		break;
	case 2:
		mux = bfin_read_PORTB_MUX();
		fer = bfin_read_PORTB_FER();
		/* set SCK/MISO/MOSI */
		DO_MUX(B, 12);
		DO_MUX(B, 13);
		DO_MUX(B, 14);
		switch (slave->cs) {
			case 1: DO_MUX(B, 9);  break;
			case 2: DO_MUX(B, 10); break;
			case 3: DO_MUX(B, 11); break;
		}
		bfin_write_PORTB_MUX(mux);
		bfin_write_PORTB_FER(fer);
		break;
	}
#endif
}