u-boot/arch/powerpc/cpu/mpc85xx/portals.c
Scott Wood 438031e1bc powerpc/mpc85xx: Don't deref NULL if qman portal lacks cell-index
Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-05-04 09:24:57 -07:00

356 lines
8.4 KiB
C

/*
* Copyright 2008-2011 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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>
#define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE)
#define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE)
static void inhibit_portals(void __iomem *addr, int max_portals,
int arch_max_portals, int portal_cinh_size)
{
uint32_t val;
int i;
/* arch_max_portals is the maximum based on memory size. This includes
* the reserved memory in the SoC. max_portals the number of physical
* portals in the SoC */
if (max_portals > arch_max_portals) {
printf("ERROR: portal config error\n");
max_portals = arch_max_portals;
}
for (i = 0; i < max_portals; i++) {
out_be32(addr, -1);
val = in_be32(addr);
if (!val) {
printf("ERROR: Stopped after %d portals\n", i);
goto done;
}
addr += portal_cinh_size;
}
#ifdef DEBUG
printf("Cleared %d portals\n", i);
#endif
done:
return;
}
void setup_portals(void)
{
ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE +
CONFIG_SYS_BMAN_SWP_ISDR_REG;
void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE +
CONFIG_SYS_QMAN_SWP_ISDR_REG;
#ifdef CONFIG_FSL_CORENET
int i;
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);
}
#endif
/* 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);
/* Change default state of BMan ISDR portals to all 1s */
inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS,
CONFIG_SYS_BMAN_SP_CINH_SIZE);
inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS,
CONFIG_SYS_QMAN_SP_CINH_SIZE);
}
/* 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, ret = 0;
uint32_t dev_handle;
#ifdef CONFIG_FSL_CORENET
int num;
u32 liodns[2];
#endif
childoff = fdt_subnode_offset(blob, off, name);
if (create) {
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);
/* skip this node if alias is not found */
if (dev_off == -FDT_ERR_BADPATH)
return 0;
if (dev_off < 0)
return dev_off;
if (childoff <= 0)
childoff = fdt_add_subnode(blob, off, name);
/* need to update the dev_off after adding a subnode */
dev_off = fdt_path_offset(blob, handle);
if (dev_off < 0)
return dev_off;
if (childoff > 0) {
dev_handle = fdt_get_phandle(blob, dev_off);
if (dev_handle <= 0) {
dev_handle = fdt_alloc_phandle(blob);
ret = fdt_set_phandle(blob, dev_off,
dev_handle);
if (ret < 0)
return ret;
}
ret = fdt_setprop(blob, childoff, "dev-handle",
&dev_handle, sizeof(dev_handle));
if (ret < 0)
return ret;
#ifdef CONFIG_FSL_CORENET
num = get_dpaa_liodn(dev, &liodns[0], id);
ret = fdt_setprop(blob, childoff, "fsl,liodn",
&liodns[0], sizeof(u32) * num);
if (!strncmp(name, "pme", 3)) {
u32 pme_rev1, pme_rev2;
ccsr_pme_t *pme_regs =
(void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1);
pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2);
ret = fdt_setprop(blob, childoff,
"fsl,pme-rev1", &pme_rev1, sizeof(u32));
if (ret < 0)
return ret;
ret = fdt_setprop(blob, childoff,
"fsl,pme-rev2", &pme_rev2, sizeof(u32));
}
#endif
} 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;
unsigned int ip_cfg;
ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
u32 rev_1 = in_be32(&qman->ip_rev_1);
u32 rev_2 = in_be32(&qman->ip_rev_2);
char compat[64];
int compat_len;
maj = (rev_1 >> 8) & 0xff;
min = rev_1 & 0xff;
ip_cfg = rev_2 & 0xff;
compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
maj, min, ip_cfg) + 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) {
#ifdef CONFIG_FSL_CORENET
u32 liodns[2];
#endif
const int *ci = fdt_getprop(blob, off, "cell-index", &err);
int i;
if (!ci)
goto err;
i = *ci;
#ifdef CONFIG_SYS_DPAA_FMAN
int j;
#endif
err = fdt_setprop(blob, off, "compatible", compat, compat_len);
if (err < 0)
goto err;
#ifdef CONFIG_FSL_CORENET
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;
#endif
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_FSL_CORENET
#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
#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
#ifdef CONFIG_SYS_DPAA_RMAN
err = fdt_qportal(blob, off, i, "rman@0",
FSL_HW_PORTAL_RMAN, 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");
}
}
void fdt_fixup_bportals(void *blob)
{
int off, err;
unsigned int maj, min;
unsigned int ip_cfg;
ccsr_bman_t *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
u32 rev_1 = in_be32(&bman->ip_rev_1);
u32 rev_2 = in_be32(&bman->ip_rev_2);
char compat[64];
int compat_len;
maj = (rev_1 >> 8) & 0xff;
min = rev_1 & 0xff;
ip_cfg = rev_2 & 0xff;
compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
maj, min, ip_cfg) + 1;
compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
while (off != -FDT_ERR_NOTFOUND) {
err = fdt_setprop(blob, off, "compatible", compat, compat_len);
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,bman-portal");
}
}