board: sama5d4ek: clean up code

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>

board/atmel/sama5d4ek/sama5d4ek.c

@@ -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
 }