+#if defined(CONFIG_SPL_BUILD)
+#include <spl.h>
+#include <nand.h>
+
+void at91_spl_board_init(void)
+{
+ /*
+ * On the at91sam9m10g45ek board, the chip wm9711 stays in the
+ * test mode, so it needs do some action to exit test mode.
+ */
+ at91_periph_clk_enable(ATMEL_ID_PIODE);
+ at91_set_gpio_output(AT91_PIN_PD7, 0);
+ at91_set_gpio_output(AT91_PIN_PD8, 0);
+ at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1);
+ at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1);
+
+#ifdef CONFIG_SYS_USE_MMC
+ at91_mci_hw_init();
+#elif CONFIG_SYS_USE_NANDFLASH
+ at91sam9m10g45ek_nand_hw_init();
+#endif
+}
+
+#include <asm/arch/atmel_mpddrc.h>
+static void ddr2_conf(struct atmel_mpddr *ddr2)
+{
+ ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
+
+ ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
+ ATMEL_MPDDRC_CR_NR_ROW_14 |
+ ATMEL_MPDDRC_CR_DQMS_SHARED |
+ ATMEL_MPDDRC_CR_CAS_DDR_CAS3);
+
+ ddr2->rtr = 0x24b;
+
+ ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */
+ 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */
+ 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */
+ 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */
+ 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */
+ 1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/
+ 1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */
+ 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */
+
+ ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */
+ 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
+ 16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
+ 14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
+
+ ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
+ 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
+ 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
+ 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
+}
+
+void mem_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ struct atmel_mpddr ddr2;
+
+ ddr2_conf(&ddr2);
+
+ /* enable DDR2 clock */
+ writel(AT91_PMC_DDR, &pmc->scer);
+
+ /* DDRAM2 Controller initialize */
+ ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
+}
+#endif
+