diff options
Diffstat (limited to 'patches/u-boot-2011.09/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch')
| -rw-r--r-- | patches/u-boot-2011.09/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/patches/u-boot-2011.09/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch b/patches/u-boot-2011.09/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch new file mode 100644 index 0000000..b79a884 --- /dev/null +++ b/patches/u-boot-2011.09/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch @@ -0,0 +1,46 @@ +From 31d430d8db335b7c3fea08b6aa8309b90b8f2cb9 Mon Sep 17 00:00:00 2001 +From: Tom Rini <trini@ti.com> +Date: Tue, 8 Nov 2011 08:07:47 +0100 +Subject: [PATCH 8/8] HACK: am335x evm: turn d-cache on globally, turn it off when doing nfs stuff + +Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> +--- + board/ti/am335x/evm.c | 12 ++++++++++++ + include/configs/am335x_evm.h | 1 + + 2 files changed, 13 insertions(+), 0 deletions(-) + +diff --git a/board/ti/am335x/evm.c b/board/ti/am335x/evm.c +index bc1119e..e64626a 100644 +--- a/board/ti/am335x/evm.c ++++ b/board/ti/am335x/evm.c +@@ -1041,3 +1041,15 @@ U_BOOT_CMD( + + #endif /* CONFIG_NAND_TI81XX */ + #endif /* CONFIG_SPL_BUILD */ ++ ++/* ++ * Not all drivers we use (such as ethernet) are dcache safe. But ++ * we need cache on to boot quickly enough. ++ */ ++#ifndef CONFIG_SYS_DCACHE_OFF ++void enable_caches(void) ++{ ++ /* Enable D-cache. I-cache is already enabled in start.S */ ++ dcache_enable(); ++} ++#endif +diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h +index 8bf3ff1..58fa2f6 100755 +--- a/include/configs/am335x_evm.h ++++ b/include/configs/am335x_evm.h +@@ -119,6 +119,7 @@ + "bootm ${loadaddr}\0" \ + "net_boot=echo Booting from network ...; " \ + "setenv autoload no; " \ ++ "dcache off; " \ + "dhcp; " \ + "tftp ${loadaddr} ${bootfile}; " \ + "run net_args; " \ +-- +1.7.2.5 + |