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author | Renaud Barbier <renaud.barbier@ge.com> | 2014-03-13 18:10:02 +0000 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-03-19 07:43:02 +0100 |
commit | a6750920eda7abe33b1cbc737afbdc3e13b707a4 (patch) | |
tree | 1f71203d22fd7aeddcd0bc5b9a9e4b45223441c8 /arch/ppc | |
parent | e172c508c62542e85843f64f91b339d555cbf2e4 (diff) | |
download | barebox-a6750920eda7abe33b1cbc737afbdc3e13b707a4.tar.gz barebox-a6750920eda7abe33b1cbc737afbdc3e13b707a4.tar.xz |
ppc: mpc85xx: add stashing support
The eTSEC 2.0 devices found on the 85xx family of SoCs support stashing
buffer descriptors in the L2 cache. This updates the device tree fixup
for these devices to ensure that the stashing related properties used
by Linux are initialised correctly.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/ppc')
-rw-r--r-- | arch/ppc/mach-mpc85xx/fdt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/ppc/mach-mpc85xx/fdt.c b/arch/ppc/mach-mpc85xx/fdt.c index b1da144415..1a2d780737 100644 --- a/arch/ppc/mach-mpc85xx/fdt.c +++ b/arch/ppc/mach-mpc85xx/fdt.c @@ -54,6 +54,14 @@ static void fdt_add_enet_stashing(void *fdt) of_property_write_u32(node, "rx-stash-idx", 0); node = of_find_compatible_node(node, NULL, "gianfar"); } + + node = of_find_compatible_node(fdt, NULL, "fsl,etsec2"); + while (node) { + of_set_property(node, "bd-stash", NULL, 0, 1); + of_property_write_u32(node, "rx-stash-len", 96); + of_property_write_u32(node, "rx-stash-idx", 0); + node = of_find_compatible_node(node, NULL, "fsl,etsec2"); + } } static int fdt_stdout_setup(struct device_node *blob) |