From 613b69583e8974b9f4cf96e549f36bdd9f761df6 Mon Sep 17 00:00:00 2001 From: Jesse Gilles Date: Fri, 11 Mar 2011 10:19:51 -0600 Subject: at91bootstrap-2.13: run memory bus at 1.8v for mtcdp-embedded --- .../mtcdp-embedded/memory_bus_1.8v.patch | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 recipes/at91bootstrap/at91bootstrap-2.13/mtcdp-embedded/memory_bus_1.8v.patch (limited to 'recipes/at91bootstrap/at91bootstrap-2.13/mtcdp-embedded/memory_bus_1.8v.patch') diff --git a/recipes/at91bootstrap/at91bootstrap-2.13/mtcdp-embedded/memory_bus_1.8v.patch b/recipes/at91bootstrap/at91bootstrap-2.13/mtcdp-embedded/memory_bus_1.8v.patch new file mode 100644 index 0000000000..045f255cec --- /dev/null +++ b/recipes/at91bootstrap/at91bootstrap-2.13/mtcdp-embedded/memory_bus_1.8v.patch @@ -0,0 +1,22 @@ +Only in at91bootstrap-2.13/build: at91sam9g20nf +Only in at91bootstrap-2.13/config: .depend +Only in at91bootstrap-2.13: .config +diff -ru at91bootstrap-2.13/main.c at91bootstrap-2.13_new/main.c +--- at91bootstrap-2.13/main.c 2010-01-12 15:13:39.000000000 -0600 ++++ at91bootstrap-2.13_new/main.c 2011-03-08 06:26:35.463088000 -0600 +@@ -174,6 +174,14 @@ + user_hw_init(); + #endif + ++#ifdef CONFIG_USER_EBI_1V8 ++//This patch will configure the 9G20 to run a 1.8V memory bus ++ *((int *)AT91C_CCFG_EBICSA) &= ~(0x1 << 16); //1.8V bus ++#else ++ *((int *)AT91C_CCFG_EBICSA) |= (0x1 << 16); //3.3V bus ++#endif ++ ++ + #if defined(CONFIG_SDRAM) || defined(CONFIG_SDDRC) || defined(CONFIG_DDR2) + #if defined(CONFIG_LONG_TEST) + /* This will not work for the CAP9 where RAM in elsewhere */ +Only in at91bootstrap-2.13/result: at91sam9g20nf-nandflashboot-2.13-r0.map -- cgit v1.2.3