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mpc85xx/portals: Add qman and bman ip_cfg field into portal info

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Because QMan3.0 and BMan2.1 used ip_cfg in ip_rev_2 register to differ the
total portal number, buffer pool number etc, we can use this info to limit
those resources in kernel driver.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Haiying Wang 2012-10-11 07:13:38 +00:00 committed by Andy Fleming
parent ee52b188ca
commit b0e8115741
1 changed files with 11 additions and 2 deletions
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13
arch/powerpc/cpu/mpc85xx/portals.c
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@ -182,14 +182,18 @@ void fdt_fixup_qportals(void *blob)
{
int off, err;
unsigned int maj, min;
unsigned int ip_cfg;
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", maj, min) + 1;
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");
@ -267,14 +271,19 @@ void fdt_fixup_bportals(void *blob)
{
int off, err;
unsigned int maj, min;
unsigned int ip_cfg;
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;
compat_len = sprintf(compat, "fsl,bman-portal-%u.%u", maj, min) + 1;
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");