Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'

1 files changed, 229 insertions, 0 deletions

diff --git a/board/ti/ks2_evm/board.c b/board/ti/ks2_evm/board.c
new file mode 100644
index 0000000000..dfe7be60e7
--- /dev/null
+++ b/board/ti/ks2_evm/board.c
@@ -0,0 +1,229 @@
+/*
+ * Keystone : Board initialization
+ *
+ * (C) Copyright 2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include "board.h"
+#include <common.h>
+#include <exports.h>
+#include <fdt_support.h>
+#include <asm/arch/ddr3.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/ti-common/ti-aemif.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct aemif_config aemif_configs[] = {
+	{			/* CS0 */
+		.mode		= AEMIF_MODE_NAND,
+		.wr_setup	= 0xf,
+		.wr_strobe	= 0x3f,
+		.wr_hold	= 7,
+		.rd_setup	= 0xf,
+		.rd_strobe	= 0x3f,
+		.rd_hold	= 7,
+		.turn_around	= 3,
+		.width		= AEMIF_WIDTH_8,
+	},
+};
+
+int dram_init(void)
+{
+	ddr3_init();
+
+	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+				    CONFIG_MAX_RAM_BANK_SIZE);
+	aemif_init(ARRAY_SIZE(aemif_configs), aemif_configs);
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = CONFIG_LINUX_BOOT_PARAM_ADDR;
+
+	return 0;
+}
+
+#ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
+int get_eth_env_param(char *env_name)
+{
+	char *env;
+	int res = -1;
+
+	env = getenv(env_name);
+	if (env)
+		res = simple_strtol(env, NULL, 0);
+
+	return res;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int j;
+	int res;
+	int port_num;
+	char link_type_name[32];
+
+	port_num = get_num_eth_ports();
+
+	for (j = 0; j < port_num; j++) {
+		sprintf(link_type_name, "sgmii%d_link_type", j);
+		res = get_eth_env_param(link_type_name);
+		if (res >= 0)
+			eth_priv_cfg[j].sgmii_link_type = res;
+
+		keystone2_emac_initialize(&eth_priv_cfg[j]);
+	}
+
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	int lpae;
+	char *env;
+	char *endp;
+	int nbanks;
+	u64 size[2];
+	u64 start[2];
+	char name[32];
+	int nodeoffset;
+	u32 ddr3a_size;
+	int unitrd_fixup = 0;
+
+	env = getenv("mem_lpae");
+	lpae = env && simple_strtol(env, NULL, 0);
+	env = getenv("uinitrd_fixup");
+	unitrd_fixup = env && simple_strtol(env, NULL, 0);
+
+	ddr3a_size = 0;
+	if (lpae) {
+		env = getenv("ddr3a_size");
+		if (env)
+			ddr3a_size = simple_strtol(env, NULL, 10);
+		if ((ddr3a_size != 8) && (ddr3a_size != 4))
+			ddr3a_size = 0;
+	}
+
+	nbanks = 1;
+	start[0] = bd->bi_dram[0].start;
+	size[0]  = bd->bi_dram[0].size;
+
+	/* adjust memory start address for LPAE */
+	if (lpae) {
+		start[0] -= CONFIG_SYS_SDRAM_BASE;
+		start[0] += CONFIG_SYS_LPAE_SDRAM_BASE;
+	}
+
+	if ((size[0] == 0x80000000) && (ddr3a_size != 0)) {
+		size[1] = ((u64)ddr3a_size - 2) << 30;
+		start[1] = 0x880000000;
+		nbanks++;
+	}
+
+	/* reserve memory at start of bank */
+	sprintf(name, "mem_reserve_head");
+	env = getenv(name);
+	if (env) {
+		start[0] += ustrtoul(env, &endp, 0);
+		size[0] -= ustrtoul(env, &endp, 0);
+	}
+
+	sprintf(name, "mem_reserve");
+	env = getenv(name);
+	if (env)
+		size[0] -= ustrtoul(env, &endp, 0);
+
+	fdt_fixup_memory_banks(blob, start, size, nbanks);
+
+	/* Fix up the initrd */
+	if (lpae && unitrd_fixup) {
+		int err;
+		u32 *prop1, *prop2;
+		u64 initrd_start, initrd_end;
+
+		nodeoffset = fdt_path_offset(blob, "/chosen");
+		if (nodeoffset >= 0) {
+			prop1 = (u32 *)fdt_getprop(blob, nodeoffset,
+					    "linux,initrd-start", NULL);
+			prop2 = (u32 *)fdt_getprop(blob, nodeoffset,
+					    "linux,initrd-end", NULL);
+			if (prop1 && prop2) {
+				initrd_start = __be32_to_cpu(*prop1);
+				initrd_start -= CONFIG_SYS_SDRAM_BASE;
+				initrd_start += CONFIG_SYS_LPAE_SDRAM_BASE;
+				initrd_start = __cpu_to_be64(initrd_start);
+				initrd_end = __be32_to_cpu(*prop2);
+				initrd_end -= CONFIG_SYS_SDRAM_BASE;
+				initrd_end += CONFIG_SYS_LPAE_SDRAM_BASE;
+				initrd_end = __cpu_to_be64(initrd_end);
+
+				err = fdt_delprop(blob, nodeoffset,
+						  "linux,initrd-start");
+				if (err < 0)
+					puts("error deleting initrd-start\n");
+
+				err = fdt_delprop(blob, nodeoffset,
+						  "linux,initrd-end");
+				if (err < 0)
+					puts("error deleting initrd-end\n");
+
+				err = fdt_setprop(blob, nodeoffset,
+						  "linux,initrd-start",
+						  &initrd_start,
+						  sizeof(initrd_start));
+				if (err < 0)
+					puts("error adding initrd-start\n");
+
+				err = fdt_setprop(blob, nodeoffset,
+						  "linux,initrd-end",
+						  &initrd_end,
+						  sizeof(initrd_end));
+				if (err < 0)
+					puts("error adding linux,initrd-end\n");
+			}
+		}
+	}
+}
+
+void ft_board_setup_ex(void *blob, bd_t *bd)
+{
+	int lpae;
+	u64 size;
+	char *env;
+	u64 *reserve_start;
+
+	env = getenv("mem_lpae");
+	lpae = env && simple_strtol(env, NULL, 0);
+
+	if (lpae) {
+		/*
+		 * the initrd and other reserved memory areas are
+		 * embedded in in the DTB itslef. fix up these addresses
+		 * to 36 bit format
+		 */
+		reserve_start = (u64 *)((char *)blob +
+				       fdt_off_mem_rsvmap(blob));
+		while (1) {
+			*reserve_start = __cpu_to_be64(*reserve_start);
+			size = __cpu_to_be64(*(reserve_start + 1));
+			if (size) {
+				*reserve_start -= CONFIG_SYS_SDRAM_BASE;
+				*reserve_start +=
+					CONFIG_SYS_LPAE_SDRAM_BASE;
+				*reserve_start =
+					__cpu_to_be64(*reserve_start);
+			} else {
+				break;
+			}
+			reserve_start += 2;
+		}
+	}
+}
+#endif