diff mbox series

[9/9] board: sam9x60ek: remove nand init from board file

Message ID 20220719104623.140446-10-balamanikandan.gunasundar@microchip.com
State Changes Requested
Delegated to: Eugen Hristev
Headers show
Series Add DM support for atmel NAND driver | expand

Commit Message

Balamanikandan Gunasundar July 19, 2022, 10:46 a.m. UTC 
Move this out of board file as this is done by the DM based NAND flash
driver. The EBI chip select configuration, iomux and timings are
handled by the driver

Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
---
 board/atmel/sam9x60ek/sam9x60ek.c | 59 -------------------------------
 1 file changed, 59 deletions(-)
diff mbox series

Patch

diff --git a/board/atmel/sam9x60ek/sam9x60ek.c b/board/atmel/sam9x60ek/sam9x60ek.c
index 7035fab878..d8d2c3a18f 100644
--- a/board/atmel/sam9x60ek/sam9x60ek.c
+++ b/board/atmel/sam9x60ek/sam9x60ek.c
@@ -24,62 +24,6 @@  DECLARE_GLOBAL_DATA_PTR;
 
 void at91_prepare_cpu_var(void);
 
-#ifdef CONFIG_CMD_NAND
-static void sam9x60ek_nand_hw_init(void)
-{
-	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
-	struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
-	unsigned int csa;
-
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 1);	/* NAND OE */
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 1);	/* NAND WE */
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 0);	/* NAND ALE */
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 0);	/* NAND CLE */
-	/* Enable NandFlash */
-	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
-	/* Configure RDY/BSY */
-	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 6, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 7, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 8, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 9, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 1);
-	at91_pio3_set_a_periph(AT91_PIO_PORTD, 13, 1);
-
-	at91_periph_clk_enable(ATMEL_ID_PIOD);
-
-	/* Enable CS3 */
-	csa = readl(&sfr->ebicsa);
-	csa |= AT91_SFR_CCFG_EBI_CSA(3, 1) | AT91_SFR_CCFG_NFD0_ON_D16;
-
-	/* Configure IO drive */
-	csa &= ~AT91_SFR_CCFG_EBI_DRIVE_SAM9X60;
-
-	writel(csa, &sfr->ebicsa);
-
-	/* Configure SMC CS3 for NAND/SmartMedia */
-	writel(AT91_SMC_SETUP_NWE(4), &smc->cs[3].setup);
-
-	writel(AT91_SMC_PULSE_NWE(10) | AT91_SMC_PULSE_NCS_WR(20) |
-	       AT91_SMC_PULSE_NRD(10) | AT91_SMC_PULSE_NCS_RD(20),
-	       &smc->cs[3].pulse);
-
-	writel(AT91_SMC_CYCLE_NWE(20) | AT91_SMC_CYCLE_NRD(20),
-	       &smc->cs[3].cycle);
-
-	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
-#ifdef CONFIG_SYS_NAND_DBW_16
-	       AT91_SMC_MODE_DBW_16 |
-#else /* CONFIG_SYS_NAND_DBW_8 */
-	       AT91_SMC_MODE_DBW_8 |
-#endif
-	       AT91_SMC_MODE_TDF | AT91_SMC_MODE_TDF_CYCLE(15),
-	       &smc->cs[3].mode);
-}
-#endif
-
 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)
 {
@@ -122,9 +66,6 @@  int board_init(void)
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 
-#ifdef CONFIG_CMD_NAND
-	sam9x60ek_nand_hw_init();
-#endif
 	return 0;
 }