Add FriendlyArm Tiny210 board (S5PV210)

Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 72 insertions, 0 deletions

diff --git a/arch/arm/boards/friendlyarm-tiny210/lowlevel.c b/arch/arm/boards/friendlyarm-tiny210/lowlevel.c
new file mode 100644
index 0000000000..19739d8456
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny210/lowlevel.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2012 Alexey Galakhov
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <common.h>
+#include <init.h>
+#include <io.h>
+#include <asm/barebox-arm.h>
+#include <asm/sections.h>
+#include <mach/s3c-iomap.h>
+#include <mach/s3c-clocks.h>
+#include <mach/s3c-generic.h>
+
+/*
+ * iROM boot from MMC
+ * TODO: replace this by native boot
+ */
+
+#define ADDR_V210_SDMMC_BASE	0xD0037488
+#define ADDR_CopySDMMCtoMem	0xD0037F98
+
+int __bare_init s5p_irom_load_mmc(void *dest, uint32_t start_block, uint16_t block_count)
+{
+	typedef uint32_t (*func_t) (int32_t, uint32_t, uint16_t, uint32_t*, int8_t);
+	uint32_t chbase = readl(ADDR_V210_SDMMC_BASE);
+	func_t func = (func_t)readl(ADDR_CopySDMMCtoMem);
+	int chan = (chbase - 0xEB000000) >> 20;
+	if (chan != 0 && chan != 2)
+		return 0;
+	return func(chan, start_block, block_count, (uint32_t*)dest, 0) ? 1 : 0;
+}
+
+
+void __bare_init board_init_lowlevel(void)
+{
+	uint32_t r;
+
+#ifdef CONFIG_S3C_PLL_INIT
+	s5p_init_pll();
+#endif
+
+	if (get_pc() < 0xD0000000) /* Are we running from iRAM? */
+		return; /* No, we don't. */
+
+	s5p_init_dram_bank_ddr2(S5P_DMC0_BASE, 0x20E00323, 0, 0);
+
+	if (! s5p_irom_load_mmc((void*)TEXT_BASE - 16, 1, (barebox_image_size + 16 + 511) / 512))
+		while (1) { } /* hang */
+
+	/* Jump to SDRAM */
+	r = (unsigned)TEXT_BASE;
+	__asm__ __volatile__("mov pc, %0" : : "r"(r));
+	while (1) { } /* hang */
+}