k2hk: add support for k2hk SOC and EVM

k2hk EVM is based on Texas Instruments Keystone2 Hawking/Kepler
SoC. Keystone2 SoC has ARM v7 Cortex-A15 MPCore processor. Please
refer the ti/k2hk_evm/README for details on the board, build and other
information.

This patch add support for keystone architecture and k2hk evm.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Sandeep Nair <sandeep_n@ti.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/cpu/armv7/keystone/spl.c b/arch/arm/cpu/armv7/keystone/spl.c
new file mode 100644
index 0000000000..e07b64db9e
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/spl.c
@@ -0,0 +1,45 @@
+/*
+ * common spl init code
+ *
+ * (C) Copyright 2012-2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#include <common.h>
+#include <config.h>
+#include <ns16550.h>
+#include <malloc.h>
+#include <spl.h>
+#include <spi_flash.h>
+
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct pll_init_data spl_pll_config[] = {
+	CORE_PLL_799,
+	TETRIS_PLL_500,
+};
+
+void spl_init_keystone_plls(void)
+{
+	init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config);
+}
+
+void spl_board_init(void)
+{
+	spl_init_keystone_plls();
+	preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+#if defined(CONFIG_SPL_SPI_LOAD)
+	return BOOT_DEVICE_SPI;
+#else
+	puts("Unknown boot device\n");
+	hang();
+#endif
+}