1 files changed, 79 insertions, 0 deletions
diff --git a/board/aspeed/ast-g4/ast-g4.c b/board/aspeed/ast-g4/ast-g4.c
new file mode 100644
index 0000000000..cc26a78529
--- /dev/null
+++ b/board/aspeed/ast-g4/ast-g4.c
@@ -0,0 +1,79 @@
+/*
+ * (C) Copyright 2002 Ryan Chen
+ * Copyright 2016 IBM Corporation
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+
+#include <asm/arch/platform.h>
+#include <asm/arch/ast-sdmc.h>
+#include <asm/arch/ast_scu.h>
+#include <asm/arch/regs-ahbc.h>
+#include <asm/arch/regs-scu.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+	gd->flags = 0;
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	u32 reg;
+
+	/* Unlock AHB controller */
+	writel(AHBC_PROTECT_UNLOCK, AST_AHBC_BASE);
+
+	/* Map DRAM to 0x00000000 */
+	reg = readl(AST_AHBC_BASE + AST_AHBC_ADDR_REMAP);
+	writel(reg | BIT(0), AST_AHBC_BASE + AST_AHBC_ADDR_REMAP);
+
+	/* Unlock SCU */
+	writel(SCU_PROTECT_UNLOCK, AST_SCU_BASE);
+
+	/*
+	 * The original file contained these comments.
+	 * TODO: verify the register write does what it claims
+	 *
+	 * LHCLK = HPLL/8
+	 * PCLK  = HPLL/8
+	 * BHCLK = HPLL/8
+	 */
+	reg = readl(AST_SCU_BASE + AST_SCU_CLK_SEL);
+	reg &= 0x1c0fffff;
+	reg |= 0x61800000;
+	writel(reg, AST_SCU_BASE + AST_SCU_CLK_SEL);
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	u32 vga = ast_scu_get_vga_memsize();
+	u32 dram = ast_sdmc_get_mem_size();
+	gd->ram_size = dram - vga;
+
+	return 0;
+}
+
+#ifdef CONFIG_FTGMAC100
+int board_eth_init(bd_t *bd)
+{
+	return ftgmac100_initialize(bd);
+}
+#endif
+
+#ifdef CONFIG_ASPEEDNIC
+int board_eth_init(bd_t *bd)
+{
+	return aspeednic_initialize(bd);
+}
+#endif