diff options
Diffstat (limited to 'cpu/at32ap/at32ap700x/portmux.c')
| -rw-r--r-- | cpu/at32ap/at32ap700x/portmux.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/cpu/at32ap/at32ap700x/portmux.c b/cpu/at32ap/at32ap700x/portmux.c deleted file mode 100644 index b1f2c6f1ff..0000000000 --- a/cpu/at32ap/at32ap700x/portmux.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * Copyright (C) 2006, 2008 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> - -#include <asm/io.h> - -#include <asm/arch/chip-features.h> -#include <asm/arch/memory-map.h> -#include <asm/arch/portmux.h> - -/* - * Lots of small functions here. We depend on --gc-sections getting - * rid of the ones we don't need. - */ -void portmux_enable_ebi(unsigned int bus_width, unsigned int addr_width, - unsigned long flags, unsigned long drive_strength) -{ - unsigned long porte_mask = 0; - - if (bus_width > 16) - portmux_select_peripheral(PORTMUX_PORT_E, 0xffff, - PORTMUX_FUNC_A, PORTMUX_BUSKEEPER); - if (addr_width > 23) - porte_mask |= (((1 << (addr_width - 23)) - 1) & 7) << 16; - if (flags & PORTMUX_EBI_CS(2)) - porte_mask |= 1 << 25; - if (flags & PORTMUX_EBI_CS(4)) - porte_mask |= 1 << 21; - if (flags & PORTMUX_EBI_CS(5)) - porte_mask |= 1 << 22; - if (flags & (PORTMUX_EBI_CF(0) | PORTMUX_EBI_CF(1))) - porte_mask |= (1 << 19) | (1 << 20) | (1 << 23); - - portmux_select_peripheral(PORTMUX_PORT_E, porte_mask, - PORTMUX_FUNC_A, 0); - - if (flags & PORTMUX_EBI_NWAIT) - portmux_select_peripheral(PORTMUX_PORT_E, 1 << 24, - PORTMUX_FUNC_A, PORTMUX_PULL_UP); -} - -#ifdef AT32AP700x_CHIP_HAS_MACB -void portmux_enable_macb0(unsigned long flags, unsigned long drive_strength) -{ - unsigned long portc_mask; - - portc_mask = (1 << 3) /* TXD0 */ - | (1 << 4) /* TXD1 */ - | (1 << 7) /* TXEN */ - | (1 << 8) /* TXCK */ - | (1 << 9) /* RXD0 */ - | (1 << 10) /* RXD1 */ - | (1 << 13) /* RXER */ - | (1 << 15) /* RXDV */ - | (1 << 16) /* MDC */ - | (1 << 17); /* MDIO */ - - if (flags & PORTMUX_MACB_MII) - portc_mask |= (1 << 0) /* COL */ - | (1 << 1) /* CRS */ - | (1 << 2) /* TXER */ - | (1 << 5) /* TXD2 */ - | (1 << 6) /* TXD3 */ - | (1 << 11) /* RXD2 */ - | (1 << 12) /* RXD3 */ - | (1 << 14); /* RXCK */ - - if (flags & PORTMUX_MACB_SPEED) - portc_mask |= (1 << 18);/* SPD */ - - /* REVISIT: Some pins are probably pure outputs */ - portmux_select_peripheral(PORTMUX_PORT_C, portc_mask, - PORTMUX_FUNC_A, PORTMUX_BUSKEEPER); -} - -void portmux_enable_macb1(unsigned long flags, unsigned long drive_strength) -{ - unsigned long portc_mask = 0; - unsigned long portd_mask; - - portd_mask = (1 << 13) /* TXD0 */ - | (1 << 14) /* TXD1 */ - | (1 << 11) /* TXEN */ - | (1 << 12) /* TXCK */ - | (1 << 10) /* RXD0 */ - | (1 << 6) /* RXD1 */ - | (1 << 5) /* RXER */ - | (1 << 4) /* RXDV */ - | (1 << 3) /* MDC */ - | (1 << 2); /* MDIO */ - - if (flags & PORTMUX_MACB_MII) - portc_mask = (1 << 19) /* COL */ - | (1 << 23) /* CRS */ - | (1 << 26) /* TXER */ - | (1 << 27) /* TXD2 */ - | (1 << 28) /* TXD3 */ - | (1 << 29) /* RXD2 */ - | (1 << 30) /* RXD3 */ - | (1 << 24); /* RXCK */ - - if (flags & PORTMUX_MACB_SPEED) - portd_mask |= (1 << 15);/* SPD */ - - /* REVISIT: Some pins are probably pure outputs */ - portmux_select_peripheral(PORTMUX_PORT_D, portc_mask, - PORTMUX_FUNC_B, PORTMUX_BUSKEEPER); - portmux_select_peripheral(PORTMUX_PORT_C, portc_mask, - PORTMUX_FUNC_B, PORTMUX_BUSKEEPER); -} -#endif - -#ifdef AT32AP700x_CHIP_HAS_MMCI -void portmux_enable_mmci(unsigned int slot, unsigned long flags, - unsigned long drive_strength) -{ - unsigned long mask; - unsigned long portmux_flags = PORTMUX_PULL_UP; - - /* First, the common CLK signal. It doesn't need a pull-up */ - portmux_select_peripheral(PORTMUX_PORT_A, 1 << 10, - PORTMUX_FUNC_A, 0); - - if (flags & PORTMUX_MMCI_EXT_PULLUP) - portmux_flags = 0; - - /* Then, the per-slot signals */ - switch (slot) { - case 0: - mask = (1 << 11) | (1 << 12); /* CMD and DATA0 */ - if (flags & PORTMUX_MMCI_4BIT) - /* DATA1..DATA3 */ - mask |= (1 << 13) | (1 << 14) | (1 << 15); - portmux_select_peripheral(PORTMUX_PORT_A, mask, - PORTMUX_FUNC_A, portmux_flags); - break; - case 1: - mask = (1 << 6) | (1 << 7); /* CMD and DATA0 */ - if (flags & PORTMUX_MMCI_4BIT) - /* DATA1..DATA3 */ - mask |= (1 << 8) | (1 << 9) | (1 << 10); - portmux_select_peripheral(PORTMUX_PORT_B, mask, - PORTMUX_FUNC_B, portmux_flags); - break; - } -} -#endif - -#ifdef AT32AP700x_CHIP_HAS_SPI -void portmux_enable_spi0(unsigned long cs_mask, unsigned long drive_strength) -{ - unsigned long pin_mask; - - /* MOSI and SCK */ - portmux_select_peripheral(PORTMUX_PORT_A, (1 << 1) | (1 << 2), - PORTMUX_FUNC_A, 0); - /* MISO may float */ - portmux_select_peripheral(PORTMUX_PORT_A, 1 << 0, - PORTMUX_FUNC_A, PORTMUX_BUSKEEPER); - - /* Set up NPCSx as GPIO outputs, initially high */ - pin_mask = (cs_mask & 7) << 3; - if (cs_mask & (1 << 3)) - pin_mask |= 1 << 20; - - portmux_select_gpio(PORTMUX_PORT_A, pin_mask, - PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH); -} - -void portmux_enable_spi1(unsigned long cs_mask, unsigned long drive_strength) -{ - /* MOSI and SCK */ - portmux_select_peripheral(PORTMUX_PORT_B, (1 << 1) | (1 << 5), - PORTMUX_FUNC_B, 0); - /* MISO may float */ - portmux_select_peripheral(PORTMUX_PORT_B, 1 << 0, - PORTMUX_FUNC_B, PORTMUX_BUSKEEPER); - - /* Set up NPCSx as GPIO outputs, initially high */ - portmux_select_gpio(PORTMUX_PORT_B, (cs_mask & 7) << 2, - PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH); - portmux_select_gpio(PORTMUX_PORT_A, (cs_mask & 8) << (27 - 3), - PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH); -} -#endif - -#ifdef AT32AP700x_CHIP_HAS_LCDC -void portmux_enable_lcdc(int pin_config) -{ - unsigned long portc_mask = 0; - unsigned long portd_mask = 0; - unsigned long porte_mask = 0; - - switch (pin_config) { - case 0: - portc_mask = (1 << 19) /* CC */ - | (1 << 20) /* HSYNC */ - | (1 << 21) /* PCLK */ - | (1 << 22) /* VSYNC */ - | (1 << 23) /* DVAL */ - | (1 << 24) /* MODE */ - | (1 << 25) /* PWR */ - | (1 << 26) /* DATA0 */ - | (1 << 27) /* DATA1 */ - | (1 << 28) /* DATA2 */ - | (1 << 29) /* DATA3 */ - | (1 << 30) /* DATA4 */ - | (1 << 31); /* DATA5 */ - - portd_mask = (1 << 0) /* DATA6 */ - | (1 << 1) /* DATA7 */ - | (1 << 2) /* DATA8 */ - | (1 << 3) /* DATA9 */ - | (1 << 4) /* DATA10 */ - | (1 << 5) /* DATA11 */ - | (1 << 6) /* DATA12 */ - | (1 << 7) /* DATA13 */ - | (1 << 8) /* DATA14 */ - | (1 << 9) /* DATA15 */ - | (1 << 10) /* DATA16 */ - | (1 << 11) /* DATA17 */ - | (1 << 12) /* DATA18 */ - | (1 << 13) /* DATA19 */ - | (1 << 14) /* DATA20 */ - | (1 << 15) /* DATA21 */ - | (1 << 16) /* DATA22 */ - | (1 << 17); /* DATA23 */ - break; - - case 1: - portc_mask = (1 << 20) /* HSYNC */ - | (1 << 21) /* PCLK */ - | (1 << 22) /* VSYNC */ - | (1 << 25) /* PWR */ - | (1 << 31); /* DATA5 */ - - portd_mask = (1 << 0) /* DATA6 */ - | (1 << 1) /* DATA7 */ - | (1 << 7) /* DATA13 */ - | (1 << 8) /* DATA14 */ - | (1 << 9) /* DATA15 */ - | (1 << 16) /* DATA22 */ - | (1 << 17); /* DATA23 */ - - porte_mask = (1 << 0) /* CC */ - | (1 << 1) /* DVAL */ - | (1 << 2) /* MODE */ - | (1 << 3) /* DATA0 */ - | (1 << 4) /* DATA1 */ - | (1 << 5) /* DATA2 */ - | (1 << 6) /* DATA3 */ - | (1 << 7) /* DATA4 */ - | (1 << 8) /* DATA8 */ - | (1 << 9) /* DATA9 */ - | (1 << 10) /* DATA10 */ - | (1 << 11) /* DATA11 */ - | (1 << 12) /* DATA12 */ - | (1 << 13) /* DATA16 */ - | (1 << 14) /* DATA17 */ - | (1 << 15) /* DATA18 */ - | (1 << 16) /* DATA19 */ - | (1 << 17) /* DATA20 */ - | (1 << 18); /* DATA21 */ - break; - } - - /* REVISIT: Some pins are probably pure outputs */ - portmux_select_peripheral(PORTMUX_PORT_C, portc_mask, - PORTMUX_FUNC_A, PORTMUX_BUSKEEPER); - portmux_select_peripheral(PORTMUX_PORT_D, portd_mask, - PORTMUX_FUNC_A, PORTMUX_BUSKEEPER); - portmux_select_peripheral(PORTMUX_PORT_E, porte_mask, - PORTMUX_FUNC_B, PORTMUX_BUSKEEPER); -} -#endif |