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 0000000000..bd1909471c --- /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); +} |