u-boot/arch/powerpc/cpu/mpc85xx/portals.c
Jeffrey Ladouceur 3fa66db459 mpc85xx: inhibit qman and bman portals by default
Not all portals might be managed and therefore visible.
Set the isdr register so that the corresponding isr register
won't be set. This is required when supporting power management.

Signed-off-by: Jeffrey Ladouceur <Jeffrey.Ladouceur@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2014-12-15 09:16:07 -08:00

351 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", NULL);
int 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");
}
}