board: stm32: add stm32f469-discovery board support

[oweals/u-boot.git] / board / st / stm32f469-discovery / stm32f469-discovery.c

diff --git a/board/st/stm32f469-discovery/stm32f469-discovery.c b/board/st/stm32f469-discovery/stm32f469-discovery.c
new file mode 100644 (file)
index 0000000..36f7b2e
--- /dev/null
+++ b/board/st/stm32f469-discovery/stm32f469-discovery.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2017
+ * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+
+#include <asm/io.h>
+#include <asm/arch/stm32.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+       int rv;
+       struct udevice *dev;
+
+       rv = uclass_get_device(UCLASS_RAM, 0, &dev);
+       if (rv) {
+               debug("DRAM init failed: %d\n", rv);
+               return rv;
+       }
+
+       if (fdtdec_setup_memory_size() != 0)
+               rv = -EINVAL;
+
+       return rv;
+}
+
+int dram_init_banksize(void)
+{
+       fdtdec_setup_memory_banksize();
+
+       return 0;
+}
+
+u32 get_board_rev(void)
+{
+       return 0;
+}
+
+int board_early_init_f(void)
+{
+       return 0;
+}
+
+int board_init(void)
+{
+       gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+       return 0;
+}
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+       char serialno[25];
+       u32 u_id_low, u_id_mid, u_id_high;
+
+       if (!env_get("serial#")) {
+               u_id_low  = readl(&STM32_U_ID->u_id_low);
+               u_id_mid  = readl(&STM32_U_ID->u_id_mid);
+               u_id_high = readl(&STM32_U_ID->u_id_high);
+               sprintf(serialno, "%08x%08x%08x",
+                       u_id_high, u_id_mid, u_id_low);
+               env_set("serial#", serialno);
+       }
+
+       return 0;
+}
+#endif