1 files changed, 262 insertions, 0 deletions
diff --git a/u-boot/arch/powerpc/cpu/mpc8xxx/fdt.c b/u-boot/arch/powerpc/cpu/mpc8xxx/fdt.c
new file mode 100644
index 0000000..0c166fd
--- /dev/null
+++ b/u-boot/arch/powerpc/cpu/mpc8xxx/fdt.c
@@ -0,0 +1,262 @@
+/*
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ *
+ * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
+ * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
+ * cpu specific common code for 85xx/86xx processors.
+ * 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 as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <asm/mp.h>
+#include <asm/fsl_enet.h>
+#include <asm/fsl_serdes.h>
+
+#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
+static int ft_del_cpuhandle(void *blob, int cpuhandle)
+{
+	int off, ret = -FDT_ERR_NOTFOUND;
+
+	/* if we find a match, we'll delete at it which point the offsets are
+	 * invalid so we start over from the beginning
+	 */
+	off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
+						&cpuhandle, 4);
+	while (off != -FDT_ERR_NOTFOUND) {
+		fdt_delprop(blob, off, "cpu-handle");
+		ret = 1;
+		off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
+				&cpuhandle, 4);
+	}
+
+	return ret;
+}
+
+void ft_fixup_num_cores(void *blob) {
+	int off, num_cores, del_cores;
+
+	del_cores = 0;
+	num_cores = cpu_numcores();
+
+	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+	while (off != -FDT_ERR_NOTFOUND) {
+		u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+
+		if ((*reg > num_cores-1) || (is_core_disabled(*reg))) {
+			int ph = fdt_get_phandle(blob, off);
+
+			/* Delete the cpu node once there are no cpu handles */
+			if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
+				fdt_del_node(blob, off);
+				del_cores++;
+			}
+			/* either we deleted some cpu handles or the cpu node
+			 * so we reset the offset back to the start since we
+			 * can't trust the offsets anymore
+			 */
+			off = -1;
+		}
+		off = fdt_node_offset_by_prop_value(blob, off,
+				"device_type", "cpu", 4);
+	}
+	debug ("%x core system found\n", num_cores);
+	debug ("deleted %d extra core entry entries from device tree\n",
+								del_cores);
+}
+#endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
+
+#ifdef CONFIG_HAS_FSL_DR_USB
+void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+{
+	char *mode;
+	char *type;
+	const char *compat = "fsl-usb2-dr";
+	const char *prop_mode = "dr_mode";
+	const char *prop_type = "phy_type";
+	int node_offset;
+	int err;
+
+	mode = getenv("usb_dr_mode");
+	type = getenv("usb_phy_type");
+	if (!mode && !type)
+		return;
+
+	node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
+	if (node_offset < 0) {
+		printf("WARNING: could not find compatible node %s: %s.\n",
+			compat, fdt_strerror(node_offset));
+		return;
+	}
+
+	if (mode) {
+		err = fdt_setprop(blob, node_offset, prop_mode, mode,
+				  strlen(mode) + 1);
+		if (err < 0)
+			printf("WARNING: could not set %s for %s: %s.\n",
+			       prop_mode, compat, fdt_strerror(err));
+	}
+
+	if (type) {
+		err = fdt_setprop(blob, node_offset, prop_type, type,
+				  strlen(type) + 1);
+		if (err < 0)
+			printf("WARNING: could not set %s for %s: %s.\n",
+			       prop_type, compat, fdt_strerror(err));
+	}
+}
+#endif /* CONFIG_HAS_FSL_DR_USB */
+
+/*
+ * update crypto node properties to a specified revision of the SEC
+ * called with sec_rev == 0 if not on an E processor
+ */
+#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
+void fdt_fixup_crypto_node(void *blob, int sec_rev)
+{
+	const struct sec_rev_prop {
+		u32 sec_rev;
+		u32 num_channels;
+		u32 channel_fifo_len;
+		u32 exec_units_mask;
+		u32 descriptor_types_mask;
+	} sec_rev_prop_list [] = {
+		{ 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
+		{ 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
+		{ 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
+		{ 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
+		{ 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
+		{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
+		{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
+	};
+	char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
+			    sizeof("fsl,secX.Y")];
+	int crypto_node, sec_idx, err;
+	char *p;
+	u32 val;
+
+	/* locate crypto node based on lowest common compatible */
+	crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
+	if (crypto_node == -FDT_ERR_NOTFOUND)
+		return;
+
+	/* delete it if not on an E-processor */
+	if (crypto_node > 0 && !sec_rev) {
+		fdt_del_node(blob, crypto_node);
+		return;
+	}
+
+	/* else we got called for possible uprev */
+	for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
+		if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
+			break;
+
+	if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
+		puts("warning: unknown SEC revision number\n");
+		return;
+	}
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
+	err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
+	err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
+	err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
+	err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = 0;
+	while (sec_idx >= 0) {
+		p = compat_strlist + val;
+		val += sprintf(p, "fsl,sec%d.%d",
+			(sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
+			sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
+		sec_idx--;
+	}
+	err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+}
+#elif CONFIG_SYS_FSL_SEC_COMPAT >= 4  /* SEC4 */
+void fdt_fixup_crypto_node(void *blob, int sec_rev)
+{
+	if (!sec_rev)
+		fdt_del_node_and_alias(blob, "crypto");
+}
+#endif
+
+int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc)
+{
+	static const char *fsl_phy_enet_if_str[] = {
+		[MII]		= "mii",
+		[RMII]		= "rmii",
+		[GMII]		= "gmii",
+		[RGMII]		= "rgmii",
+		[RGMII_ID]	= "rgmii-id",
+		[RGMII_RXID]	= "rgmii-rxid",
+		[SGMII]		= "sgmii",
+		[TBI]		= "tbi",
+		[RTBI]		= "rtbi",
+		[XAUI]		= "xgmii",
+		[FSL_ETH_IF_NONE] = "",
+	};
+
+	if (phyc > ARRAY_SIZE(fsl_phy_enet_if_str))
+		return fdt_setprop_string(blob, offset, "phy-connection-type", "");
+
+	return fdt_setprop_string(blob, offset, "phy-connection-type",
+					 fsl_phy_enet_if_str[phyc]);
+}
+
+#ifdef CONFIG_SYS_SRIO
+void ft_srio_setup(void *blob)
+{
+#ifdef CONFIG_SRIO1
+	if (!is_serdes_configured(SRIO1)) {
+		fdt_del_node_and_alias(blob, "rio0");
+	}
+#else
+	fdt_del_node_and_alias(blob, "rio0");
+#endif
+#ifdef CONFIG_SRIO2
+	if (!is_serdes_configured(SRIO2)) {
+		fdt_del_node_and_alias(blob, "rio1");
+	}
+#else
+	fdt_del_node_and_alias(blob, "rio1");
+#endif
+}
+#endif