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board: sama5d4ek: clean up code

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Due to the introduction of the pinctrl and clk driver, and using
device tree files, remove the unneeded hardcoded pin configuration
and clock enabling code from the board file.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
master
Wenyou Yang 8 years ago committed by Simon Glass
parent ef33aa3dca
commit 33034a77a5
1 changed files with 1 additions and 133 deletions
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  1. 134
      board/atmel/sama5d4ek/sama5d4ek.c

134
board/atmel/sama5d4ek/sama5d4ek.c
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@ -10,54 +10,17 @@
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/atmel_usba_udc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
#include <asm/arch/sama5d3_smc.h>
#include <asm/arch/sama5d4.h>
#include <atmel_hlcdc.h>
#include <atmel_mci.h>
#include <lcd.h>
#include <mmc.h>
#include <net.h>
#include <netdev.h>
#include <nand.h>
#include <spi.h>
#include <version.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_ATMEL_SPI
#ifndef CONFIG_DM_SPI
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return bus == 0 && cs == 0;
}
#endif
void spi_cs_activate(struct spi_slave *slave)
{
at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
}
void spi_cs_deactivate(struct spi_slave *slave)
{
at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
}
static void sama5d4ek_spi0_hw_init(void)
{
at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */
at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */
at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */
at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_SPI0);
}
#endif /* CONFIG_ATMEL_SPI */
#ifdef CONFIG_NAND_ATMEL
static void sama5d4ek_nand_hw_init(void)
{
@ -198,61 +161,6 @@ void lcd_show_board_info(void)
#endif /* CONFIG_LCD */
#ifdef CONFIG_GENERIC_ATMEL_MCI
void sama5d4ek_mci1_hw_init(void)
{
at91_pio3_set_c_periph(AT91_PIO_PORTE, 19, 1); /* MCI1 CDA */
at91_pio3_set_c_periph(AT91_PIO_PORTE, 20, 1); /* MCI1 DA0 */
at91_pio3_set_c_periph(AT91_PIO_PORTE, 21, 1); /* MCI1 DA1 */
at91_pio3_set_c_periph(AT91_PIO_PORTE, 22, 1); /* MCI1 DA2 */
at91_pio3_set_c_periph(AT91_PIO_PORTE, 23, 1); /* MCI1 DA3 */
at91_pio3_set_c_periph(AT91_PIO_PORTE, 18, 0); /* MCI1 CLK */
/*
* As the mci io internal pull down is too strong, so if the io needs
* external pull up, the pull up resistor will be very small, if so
* the power consumption will increase, so disable the interanl pull
* down to save the power.
*/
at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 18, 0);
at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 19, 0);
at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 20, 0);
at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 21, 0);
at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 22, 0);
at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 23, 0);
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_MCI1);
}
int board_mmc_init(bd_t *bis)
{
/* Enable power for MCI1 interface */
at91_set_pio_output(AT91_PIO_PORTE, 15, 0);
return atmel_mci_init((void *)ATMEL_BASE_MCI1);
}
#endif /* CONFIG_GENERIC_ATMEL_MCI */
#ifdef CONFIG_MACB
void sama5d4ek_macb0_hw_init(void)
{
at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */
at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_GMAC0);
}
#endif
static void sama5d4ek_serial3_hw_init(void)
{
at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
@ -264,12 +172,6 @@ static void sama5d4ek_serial3_hw_init(void)
int board_early_init_f(void)
{
at91_periph_clk_enable(ATMEL_ID_PIOA);
at91_periph_clk_enable(ATMEL_ID_PIOB);
at91_periph_clk_enable(ATMEL_ID_PIOC);
at91_periph_clk_enable(ATMEL_ID_PIOD);
at91_periph_clk_enable(ATMEL_ID_PIOE);
sama5d4ek_serial3_hw_init();
return 0;
@ -280,27 +182,15 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
#ifdef CONFIG_ATMEL_SPI
sama5d4ek_spi0_hw_init();
#endif
#ifdef CONFIG_NAND_ATMEL
sama5d4ek_nand_hw_init();
#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
sama5d4ek_mci1_hw_init();
#endif
#ifdef CONFIG_MACB
sama5d4ek_macb0_hw_init();
#endif
#ifdef CONFIG_LCD
sama5d4ek_lcd_hw_init();
#endif
#ifdef CONFIG_CMD_USB
sama5d4ek_usb_hw_init();
#endif
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
at91_udp_hw_init();
#endif
return 0;
}
@ -312,34 +202,12 @@ int dram_init(void)
return 0;
}
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_MACB
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
#endif
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
usba_udc_probe(&pdata);
#ifdef CONFIG_USB_ETH_RNDIS
usb_eth_initialize(bis);
#endif
#endif
return rc;
}
/* SPL */
#ifdef CONFIG_SPL_BUILD
void spl_board_init(void)
{
#ifdef CONFIG_SYS_USE_MMC
sama5d4ek_mci1_hw_init();
#elif CONFIG_SYS_USE_NANDFLASH
#if CONFIG_SYS_USE_NANDFLASH
sama5d4ek_nand_hw_init();
#elif CONFIG_SYS_USE_SERIALFLASH
sama5d4ek_spi0_hw_init();
#endif
}

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