1 files changed, 102 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc86xx/cpu_init.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc86xx/cpu_init.c
new file mode 100644
index 000000000..752751588
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc86xx/cpu_init.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2004,2009-2011 Freescale Semiconductor, Inc.
+ * Jeff Brown
+ * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * cpu_init.c - low level cpu init
+ */
+
+#include <config.h>
+#include <common.h>
+#include <mpc86xx.h>
+#include <asm/mmu.h>
+#include <asm/fsl_law.h>
+#include <asm/fsl_serdes.h>
+#include <asm/mp.h>
+
+extern void srio_init(void);
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Breathe some life into the CPU...
+ *
+ * Set up the memory map
+ * initialize a bunch of registers
+ */
+
+void cpu_init_f(void)
+{
+	/* Pointer is writable since we allocated a register for it */
+	gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
+
+	/* Clear initial global data */
+	memset ((void *) gd, 0, sizeof (gd_t));
+
+#ifdef CONFIG_FSL_LAW
+	init_laws();
+#endif
+
+	setup_bats();
+
+	init_early_memctl_regs();
+
+#if defined(CONFIG_FSL_DMA)
+	dma_init();
+#endif
+
+	/* enable the timebase bit in HID0 */
+	set_hid0(get_hid0() | 0x4000000);
+
+	/* enable EMCP, SYNCBE | ABE bits in HID1 */
+	set_hid1(get_hid1() | 0x80000C00);
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+	/* needs to be in ram since code uses global static vars */
+	fsl_serdes_init();
+
+#ifdef CONFIG_SYS_SRIO
+	srio_init();
+#endif
+
+#if defined(CONFIG_MP)
+	setup_mp();
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_ADDR_MAP
+/* Initialize address mapping array */
+void init_addr_map(void)
+{
+	int i;
+	ppc_bat_t bat = DBAT0;
+	phys_size_t size;
+	unsigned long upper, lower;
+
+	for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++, bat++) {
+		if (read_bat(bat, &upper, &lower) != -1) {
+			if (!BATU_VALID(upper))
+				size = 0;
+			else
+				size = BATU_SIZE(upper);
+			addrmap_set_entry(BATU_VADDR(upper), BATL_PADDR(lower),
+					  size, i);
+		}
+#ifdef CONFIG_HIGH_BATS
+		/* High bats are not contiguous with low BAT numbers */
+		if (bat == DBAT3)
+			bat = DBAT4 - 1;
+#endif
+	}
+}
+#endif