diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/portals.c')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/portals.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c new file mode 100644 index 0000000000..01aec6e794 --- /dev/null +++ b/arch/powerpc/cpu/mpc85xx/portals.c @@ -0,0 +1,238 @@ +/* + * 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/processor.h> +#include <asm/io.h> + +#include <asm/fsl_portals.h> +#include <asm/fsl_liodn.h> + +static ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_CORENET_QMAN_ADDR; + +void setup_portals(void) +{ + int i; + + /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */ +#ifdef CONFIG_PHYS_64BIT + out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32)); +#endif + out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS); + + for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) { + u8 sdest = qp_info[i].sdest; + u16 fliodn = qp_info[i].fliodn; + u16 dliodn = qp_info[i].dliodn; + u16 liodn_off = qp_info[i].liodn_offset; + + out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) | + dliodn); + /* set frame liodn */ + out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn); + } +} + +/* Update portal containter to match LAW setup of portal in phy map */ +void fdt_portal(void *blob, const char *compat, const char *container, + u64 addr, u32 size) +{ + int off; + + off = fdt_node_offset_by_compatible(blob, -1, compat); + if (off < 0) + return ; + + off = fdt_parent_offset(blob, off); + /* if non-zero assume we have a container */ + if (off > 0) { + char buf[60]; + const char *p, *name; + u32 *range; + int len; + + /* fixup ranges */ + range = fdt_getprop_w(blob, off, "ranges", &len); + if (range == NULL) { + printf("ERROR: container for %s has no ranges", compat); + return ; + } + + range[0] = 0; + if (len == 16) { + range[1] = addr >> 32; + range[2] = addr & 0xffffffff; + range[3] = size; + } else { + range[1] = addr & 0xffffffff; + range[2] = size; + } + fdt_setprop_inplace(blob, off, "ranges", range, len); + + /* fixup the name */ + name = fdt_get_name(blob, off, &len); + p = memchr(name, '@', len); + + if (p) + len = p - name; + + /* if we are given a container name check it + * against what we found, if it doesnt match exit out */ + if (container && (memcmp(container, name, len))) { + printf("WARNING: container names didn't match %s %s\n", + container, name); + return ; + } + + memcpy(&buf, name, len); + len += sprintf(&buf[len], "@%llx", addr); + fdt_set_name(blob, off, buf); + return ; + } + + printf("ERROR: %s isn't in a container. Not supported\n", compat); +} + +static int fdt_qportal(void *blob, int off, int id, char *name, + enum fsl_dpaa_dev dev, int create) +{ + int childoff, dev_off, num, ret = 0; + uint32_t dev_handle; + u32 liodns[2]; + + childoff = fdt_subnode_offset(blob, off, name); + if (create) { + if (childoff <= 0) + childoff = fdt_add_subnode(blob, off, name); + + if (childoff > 0) { + char handle[64], *p; + + strncpy(handle, name, sizeof(handle)); + p = strchr(handle, '@'); + if (!strncmp(name, "fman", 4)) { + *p = *(p + 1); + p++; + } + *p = '\0'; + + dev_off = fdt_path_offset(blob, handle); + if (dev_off < 0) + return dev_off; + + dev_handle = fdt_get_phandle(blob, dev_off); + if (dev_handle <= 0) { + dev_handle = fdt_alloc_phandle(blob); + fdt_setprop_cell(blob, dev_off, + "linux,phandle", dev_handle); + } + + ret = fdt_setprop(blob, childoff, "dev-handle", + &dev_handle, sizeof(dev_handle)); + if (ret < 0) + return ret; + + num = get_dpaa_liodn(dev, &liodns[0], id); + ret = fdt_setprop(blob, childoff, "fsl,liodn", + &liodns[0], sizeof(u32) * num); + } else { + return childoff; + } + } else { + if (childoff > 0) + ret = fdt_del_node(blob, childoff); + } + + return ret; +} + +void fdt_fixup_qportals(void *blob) +{ + int off, err; + unsigned int maj, min; + u32 rev_1 = in_be32(&qman->ip_rev_1); + char compat[64]; + int compat_len; + + maj = (rev_1 >> 8) & 0xff; + min = rev_1 & 0xff; + + compat_len = sprintf(compat, "fsl,qman-portal-%u.%u", maj, min) + 1; + compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1; + + off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal"); + while (off != -FDT_ERR_NOTFOUND) { + u32 liodns[2]; + const int *ci = fdt_getprop(blob, off, "cell-index", NULL); + int j, i = *ci; + + err = fdt_setprop(blob, off, "compatible", compat, compat_len); + if (err < 0) + goto err; + + liodns[0] = qp_info[i].dliodn; + liodns[1] = qp_info[i].fliodn; + + err = fdt_setprop(blob, off, "fsl,liodn", + &liodns, sizeof(u32) * 2); + if (err < 0) + goto err; + + i++; + + err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC, + IS_E_PROCESSOR(get_svr())); + if (err < 0) + goto err; + +#ifdef CONFIG_SYS_DPAA_PME + err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1); + if (err < 0) + goto err; +#else + fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0); +#endif +#ifdef CONFIG_SYS_DPAA_FMAN + for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) { + char name[] = "fman@0"; + + name[sizeof(name) - 2] = '0' + j; + err = fdt_qportal(blob, off, i, name, + FSL_HW_PORTAL_FMAN1 + j, 1); + if (err < 0) + goto err; + } +#endif + +err: + if (err < 0) { + printf("ERROR: unable to create props for %s: %s\n", + fdt_get_name(blob, off, NULL), fdt_strerror(err)); + return; + } + + off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal"); + } +} |