From: Haiying Wang Haiying.Wang@freescale.com
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 --- arch/powerpc/cpu/mpc85xx/fdt.c | 1 + arch/powerpc/cpu/mpc85xx/portals.c | 30 ++++++++++++++++++++++++++++++ arch/powerpc/include/asm/fsl_portals.h | 3 ++- 3 files changed, 33 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index f4d2f60..4c2e89b 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -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) diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c index e8d53bb..c014163 100644 --- a/arch/powerpc/cpu/mpc85xx/portals.c +++ b/arch/powerpc/cpu/mpc85xx/portals.c @@ -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"); + } + +} diff --git a/arch/powerpc/include/asm/fsl_portals.h b/arch/powerpc/include/asm/fsl_portals.h index cb32927..e1c1212 100644 --- a/arch/powerpc/include/asm/fsl_portals.h +++ b/arch/powerpc/include/asm/fsl_portals.h @@ -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,