board: atmel: Add SAMA5D27 SOM1 EK board
The SAMA5D27-SiP (System in Package) integrates the SAMA5D2
with 1Gbit DDR2-SDRAM in a single package.
The SAMA5D27 SOM1 embeds a 64Mbit QSPI flash, KSZ8081 Phy and
Mac-address EEPROM.
Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/atmel/sama5d27_som1_ek/Kconfig b/board/atmel/sama5d27_som1_ek/Kconfig
new file mode 100644
index 0000000..3276214
--- /dev/null
+++ b/board/atmel/sama5d27_som1_ek/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA5D27_SOM1_EK
+
+config SYS_BOARD
+ default "sama5d27_som1_ek"
+
+config SYS_VENDOR
+ default "atmel"
+
+config SYS_SOC
+ default "at91"
+
+config SYS_CONFIG_NAME
+ default "sama5d27_som1_ek"
+
+endif
diff --git a/board/atmel/sama5d27_som1_ek/MAINTAINERS b/board/atmel/sama5d27_som1_ek/MAINTAINERS
new file mode 100644
index 0000000..609583c
--- /dev/null
+++ b/board/atmel/sama5d27_som1_ek/MAINTAINERS
@@ -0,0 +1,6 @@
+SAMA5D27 SOM1 EK BOARD
+M: Wenyou Yang <wenyou.yang@microchip.com>
+S: Maintained
+F: board/atmel/sama5d27_som1_ek/
+F: include/configs/sama5d27_som1_ek.h
+F: configs/sama5d27_som1_ek_mmc_defconfig
diff --git a/board/atmel/sama5d27_som1_ek/Makefile b/board/atmel/sama5d27_som1_ek/Makefile
new file mode 100644
index 0000000..4ab242c
--- /dev/null
+++ b/board/atmel/sama5d27_som1_ek/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2017 Microchip Corporation
+# Wenyou Yang <wenyou.yang@microchip.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += sama5d27_som1_ek.o
diff --git a/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c b/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c
new file mode 100644
index 0000000..80d7725
--- /dev/null
+++ b/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2017 Microchip Corporation
+ * Wenyou.Yang <wenyou.yang@microchip.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/atmel_pio4.h>
+#include <asm/arch/atmel_mpddrc.h>
+#include <asm/arch/atmel_sdhci.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sama5d2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void board_usb_hw_init(void)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1);
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_DM_VIDEO
+ at91_video_show_board_info();
+#endif
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+static void board_uart1_hw_init(void)
+{
+ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
+
+ at91_periph_clk_enable(ATMEL_ID_UART1);
+}
+
+void board_debug_uart_init(void)
+{
+ board_uart1_hw_init();
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+#ifdef CONFIG_DEBUG_UART
+ debug_uart_init();
+#endif
+
+ return 0;
+}
+#endif
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_CMD_USB
+ board_usb_hw_init();
+#endif
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
+ return 0;
+}
+
+#define MAC24AA_MAC_OFFSET 0xfa
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+#ifdef CONFIG_I2C_EEPROM
+ at91_set_ethaddr(MAC24AA_MAC_OFFSET);
+#endif
+ return 0;
+}
+#endif
+
+/* SPL */
+#ifdef CONFIG_SPL_BUILD
+void spl_board_init(void)
+{
+}
+
+static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
+{
+ ddrc->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
+
+ ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
+ ATMEL_MPDDRC_CR_NR_ROW_13 |
+ ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
+ ATMEL_MPDDRC_CR_DIC_DS |
+ ATMEL_MPDDRC_CR_ZQ_LONG |
+ ATMEL_MPDDRC_CR_NB_8BANKS |
+ ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
+ ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
+
+ ddrc->rtr = 0x511;
+
+ ddrc->tpr0 = ((7 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET) |
+ (9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET) |
+ (2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET));
+
+ ddrc->tpr1 = ((22 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET) |
+ (23 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET) |
+ (200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET));
+
+ ddrc->tpr2 = ((2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET) |
+ (8 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET) |
+ (8 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET));
+}
+
+void mem_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
+ struct atmel_mpddrc_config ddrc_config;
+ u32 reg;
+
+ ddrc_conf(&ddrc_config);
+
+ at91_periph_clk_enable(ATMEL_ID_MPDDRC);
+ writel(AT91_PMC_DDR, &pmc->scer);
+
+ reg = readl(&mpddrc->io_calibr);
+ reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
+ reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
+ reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
+ reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(101);
+ writel(reg, &mpddrc->io_calibr);
+
+ writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_ONE_CYCLE,
+ &mpddrc->rd_data_path);
+
+ ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
+
+ writel(0x3, &mpddrc->cal_mr4);
+ writel(64, &mpddrc->tim_cal);
+}
+
+void at91_pmc_init(void)
+{
+ u32 tmp;
+
+ /*
+ * while coming from the ROM code, we run on PLLA @ 492 MHz / 164 MHz
+ * so we need to slow down and configure MCKR accordingly.
+ * This is why we have a special flavor of the switching function.
+ */
+ tmp = AT91_PMC_MCKR_PLLADIV_2 |
+ AT91_PMC_MCKR_MDIV_3 |
+ AT91_PMC_MCKR_CSS_MAIN;
+ at91_mck_init_down(tmp);
+
+ tmp = AT91_PMC_PLLAR_29 |
+ AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
+ AT91_PMC_PLLXR_MUL(40) |
+ AT91_PMC_PLLXR_DIV(1);
+ at91_plla_init(tmp);
+
+ tmp = AT91_PMC_MCKR_H32MXDIV |
+ AT91_PMC_MCKR_PLLADIV_2 |
+ AT91_PMC_MCKR_MDIV_3 |
+ AT91_PMC_MCKR_CSS_PLLA;
+ at91_mck_init(tmp);
+}
+#endif