diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/liodn.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/liodn.c | 187 | 
1 files changed, 187 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/liodn.c b/arch/powerpc/cpu/mpc85xx/liodn.c new file mode 100644 index 000000000..bd1909471 --- /dev/null +++ b/arch/powerpc/cpu/mpc85xx/liodn.c @@ -0,0 +1,187 @@ +/* + * Copyright 2008-2010 Freescale Semiconductor, Inc. + * + * 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/immap_85xx.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/fsl_portals.h> +#include <asm/fsl_liodn.h> + +int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset) +{ +	liodns[0] = liodn_bases[dpaa_dev].id[0] + liodn_offset; + +	if (liodn_bases[dpaa_dev].num_ids == 2) +		liodns[1] = liodn_bases[dpaa_dev].id[1] + liodn_offset; + +	return liodn_bases[dpaa_dev].num_ids; +} + +static void set_liodn(struct liodn_id_table *tbl, int size) +{ +	int i; + +	for (i = 0; i < size; i++) { +		u32 liodn; +		if (tbl[i].num_ids == 2) { +			liodn = (tbl[i].id[0] << 16) | tbl[i].id[1]; +		} else { +			liodn = tbl[i].id[0]; +		} + +		out_be32((volatile u32 *)(tbl[i].reg_offset), liodn); +	} +} + +static void setup_sec_liodn_base(void) +{ +	ccsr_sec_t *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR; +	u32 base; + +	if (!IS_E_PROCESSOR(get_svr())) +		return; + +	/* QILCR[QSLOM] */ +	out_be32(&sec->qilcr_ms, 0x3ff<<16); + +	base = (liodn_bases[FSL_HW_PORTAL_SEC].id[0] << 16) | +		liodn_bases[FSL_HW_PORTAL_SEC].id[1]; + +	out_be32(&sec->qilcr_ls, base); +} + +#ifdef CONFIG_SYS_DPAA_FMAN +static void setup_fman_liodn_base(enum fsl_dpaa_dev dev, +				  struct liodn_id_table *tbl, int size) +{ +	int i; +	ccsr_fman_t *fm; +	u32 base; + +	switch(dev) { +	case FSL_HW_PORTAL_FMAN1: +		fm = (void *)CONFIG_SYS_FSL_FM1_ADDR; +		break; + +#if (CONFIG_SYS_NUM_FMAN == 2) +	case FSL_HW_PORTAL_FMAN2: +		fm = (void *)CONFIG_SYS_FSL_FM2_ADDR; +		break; +#endif +	default: +		printf("Error: Invalid device type to %s\n", __FUNCTION__); +		return ; +	} + +	base = (liodn_bases[dev].id[0] << 16) | liodn_bases[dev].id[0]; + +	/* setup all bases the same */ +	for (i = 0; i < 32; i++) { +		out_be32(&fm->fm_dma.fmdmplr[i], base); +	} + +	/* update tbl to ... */ +	for (i = 0; i < size; i++) +		tbl[i].id[0] += liodn_bases[dev].id[0]; +} +#endif + +static void setup_pme_liodn_base(void) +{ +#ifdef CONFIG_SYS_DPAA_PME +	ccsr_pme_t *pme = (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR; +	u32 base = (liodn_bases[FSL_HW_PORTAL_PME].id[0] << 16) | +			liodn_bases[FSL_HW_PORTAL_PME].id[1]; + +	out_be32(&pme->liodnbr, base); +#endif +} + +void set_liodns(void) +{ +	/* setup general liodn offsets */ +	set_liodn(liodn_tbl, liodn_tbl_sz); + +	/* setup SEC block liodn bases & offsets if we have one */ +	if (IS_E_PROCESSOR(get_svr())) { +		set_liodn(sec_liodn_tbl, sec_liodn_tbl_sz); +		setup_sec_liodn_base(); +	} + +	/* setup FMAN block(s) liodn bases & offsets if we have one */ +#ifdef CONFIG_SYS_DPAA_FMAN +	set_liodn(fman1_liodn_tbl, fman1_liodn_tbl_sz); +	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN1, fman1_liodn_tbl, +				fman1_liodn_tbl_sz); + +#if (CONFIG_SYS_NUM_FMAN == 2) +	set_liodn(fman2_liodn_tbl, fman2_liodn_tbl_sz); +	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN2, fman2_liodn_tbl, +				fman2_liodn_tbl_sz); +#endif +#endif +	/* setup PME liodn base */ +	setup_pme_liodn_base(); +} + +static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz) +{ +	int i; + +	for (i = 0; i < sz; i++) { +		int off; + +		if (tbl[i].compat == NULL) +			continue; + +		off = fdt_node_offset_by_compat_reg(blob, +				tbl[i].compat, tbl[i].compat_offset); +		if (off >= 0) { +			off = fdt_setprop(blob, off, "fsl,liodn", +				&tbl[i].id[0], +				sizeof(u32) * tbl[i].num_ids); +			if (off > 0) +				printf("WARNING unable to set fsl,liodn for " +					"%s: %s\n", +					tbl[i].compat, fdt_strerror(off)); +		} else { +			debug("WARNING: could not set fsl,liodn for %s: %s.\n", +					tbl[i].compat, fdt_strerror(off)); +		} +	} +} + +void fdt_fixup_liodn(void *blob) +{ +	fdt_fixup_liodn_tbl(blob, liodn_tbl, liodn_tbl_sz); +#ifdef CONFIG_SYS_DPAA_FMAN +	fdt_fixup_liodn_tbl(blob, fman1_liodn_tbl, fman1_liodn_tbl_sz); +#if (CONFIG_SYS_NUM_FMAN == 2) +	fdt_fixup_liodn_tbl(blob, fman2_liodn_tbl, fman2_liodn_tbl_sz); +#endif +#endif +	fdt_fixup_liodn_tbl(blob, sec_liodn_tbl, sec_liodn_tbl_sz); +}  |