diff options
Diffstat (limited to 'arch/ppc/cpu/mpc83xx/fdt.c')
| -rw-r--r-- | arch/ppc/cpu/mpc83xx/fdt.c | 143 | 
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 000000000..daf73a6e5 --- /dev/null +++ b/arch/ppc/cpu/mpc83xx/fdt.c @@ -0,0 +1,143 @@ +/* + * 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 +} |