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-rw-r--r--arch/ppc/cpu/mpc83xx/fdt.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/ppc/cpu/mpc83xx/fdt.c b/arch/ppc/cpu/mpc83xx/fdt.c
new file mode 100644
index 0000000000..daf73a6e5a
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+++ b/arch/ppc/cpu/mpc83xx/fdt.c
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+/*
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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/processor.h>
+
+extern void ft_qe_setup(void *blob);
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_BOOTCOUNT_LIMIT) && defined(CONFIG_MPC8360)
+#include <asm/immap_qe.h>
+
+void fdt_fixup_muram (void *blob)
+{
+ ulong data[2];
+
+ data[0] = 0;
+ data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
+ do_fixup_by_compat(blob, "fsl,qe-muram-data", "reg",
+ data, sizeof (data), 0);
+}
+#endif
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+ immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+ int spridr = immr->sysconf.spridr;
+
+ /*
+ * delete crypto node if not on an E-processor
+ * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
+ * EA revisions got the SEC uprevved to 2.4 but since the default device
+ * tree contains SEC 2.0 properties we uprev them here.
+ */
+ if (!IS_E_PROCESSOR(spridr))
+ fdt_fixup_crypto_node(blob, 0);
+ else if (IS_E_PROCESSOR(spridr) &&
+ (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
+ SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
+ REVID_MAJOR(spridr) >= 2)
+ fdt_fixup_crypto_node(blob, 0x0204);
+
+#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
+ defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
+ defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
+ fdt_fixup_ethernet(blob);
+#ifdef CONFIG_MPC8313
+ /*
+ * mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
+ * h/w (see AN3545). The base device tree in use has rev. 1 ID numbers,
+ * so if on Rev. 2 (and higher) h/w, we fix them up here
+ */
+ if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
+ int nodeoffset, path;
+ const char *prop;
+
+ nodeoffset = fdt_path_offset(blob, "/aliases");
+ if (nodeoffset >= 0) {
+#if defined(CONFIG_HAS_ETH0)
+ prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
+ if (prop) {
+ u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };
+
+ path = fdt_path_offset(blob, prop);
+ prop = fdt_getprop(blob, path, "interrupts", 0);
+ if (prop)
+ fdt_setprop(blob, path, "interrupts",
+ &tmp, sizeof(tmp));
+ }
+#endif
+#if defined(CONFIG_HAS_ETH1)
+ prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
+ if (prop) {
+ u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };
+
+ path = fdt_path_offset(blob, prop);
+ prop = fdt_getprop(blob, path, "interrupts", 0);
+ if (prop)
+ fdt_setprop(blob, path, "interrupts",
+ &tmp, sizeof(tmp));
+ }
+#endif
+ }
+ }
+#endif
+#endif
+
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "timebase-frequency", (bd->bi_busfreq / 4), 1);
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "clock-frequency", gd->core_clk, 1);
+ do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
+ "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_compat_u32(blob, "fsl,soc",
+ "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_compat_u32(blob, "fsl,soc",
+ "clock-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_compat_u32(blob, "fsl,immr",
+ "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_compat_u32(blob, "fsl,immr",
+ "clock-frequency", bd->bi_busfreq, 1);
+#ifdef CONFIG_QE
+ ft_qe_setup(blob);
+#endif
+
+#ifdef CONFIG_SYS_NS16550
+ do_fixup_by_compat_u32(blob, "ns16550",
+ "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
+#endif
+
+ fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+#if defined(CONFIG_BOOTCOUNT_LIMIT)
+ fdt_fixup_muram (blob);
+#endif
+}
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