u-boot/arch/powerpc/cpu/mpc85xx/portals.c

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/*
* 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");
}
}