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powerpc/85xx: Add device tree fixup for bman portal

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Fix fdt bportal to pass the bman revision number to kernel via device tree.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Haiying Wang 2011-03-01 09:30:07 -05:00 committed by Kumar Gala
parent 2bad42a0c8
commit 2a0ffb84c7
3 changed files with 33 additions and 1 deletions
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1
arch/powerpc/cpu/mpc85xx/fdt.c
View File

@ -473,6 +473,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
fdt_portal(blob, "fsl,bman-portal", "bman-portals",
(u64)CONFIG_SYS_BMAN_MEM_PHYS,
CONFIG_SYS_BMAN_MEM_SIZE);
fdt_fixup_bportals(blob);
#endif
#if defined(CONFIG_SYS_QMAN_MEM_PHYS)

30
arch/powerpc/cpu/mpc85xx/portals.c
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@ -31,6 +31,7 @@
#include <asm/fsl_liodn.h>
static ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
static ccsr_bman_t *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
void setup_portals(void)
{
@ -250,3 +251,32 @@ err:
off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal");
}
}
void fdt_fixup_bportals(void *blob)
{
int off, err;
unsigned int maj, min;
u32 rev_1 = in_be32(&bman->ip_rev_1);
char compat[64];
int compat_len;
maj = (rev_1 >> 8) & 0xff;
min = rev_1 & 0xff;
compat_len = sprintf(compat, "fsl,bman-portal-%u.%u", maj, min) + 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");
}
}

3
arch/powerpc/include/asm/fsl_portals.h
View File

@ -1,5 +1,5 @@
/*
* Copyright 2009-2010 Freescale Semiconductor, Inc.
* Copyright 2009-2011 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@ -51,6 +51,7 @@ extern int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev,
u32 *liodns, int liodn_offset);
extern void setup_portals(void);
extern void fdt_fixup_qportals(void *blob);
extern void fdt_fixup_bportals(void *blob);
extern struct qportal_info qp_info[];
extern void fdt_portal(void *blob, const char *compat, const char *container,