mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 03:08:31 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
278 lines
7.3 KiB
C
278 lines
7.3 KiB
C
/*
|
|
* Copyright (C) 2006, 2008 Atmel Corporation
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
|
|
#include <asm/io.h>
|
|
|
|
#include <asm/arch/chip-features.h>
|
|
#include <asm/arch/hardware.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, portd_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
|