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| author | John Klug <john.klug@multitech.com> | 2023-02-17 14:21:23 -0600 |
|---|---|---|
| committer | John Klug <john.klug@multitech.com> | 2023-02-17 14:21:23 -0600 |
| commit | c90a269fde8bc0205081a9c4272e850aa8842c32 (patch) | |
| tree | 538e473564562465ad7c46d3d63f3cced2fc2c14 | |
| parent | 01dffbfbb8cd6de3878445f8aeacbaad3fbd428e (diff) | |
| download | meta-multitech-atmel-c90a269fde8bc0205081a9c4272e850aa8842c32.tar.gz meta-multitech-atmel-c90a269fde8bc0205081a9c4272e850aa8842c32.tar.bz2 meta-multitech-atmel-c90a269fde8bc0205081a9c4272e850aa8842c32.zip | |
Alliance memory patch possibly for future use
| -rw-r--r-- | recipes-bsp/u-boot/u-boot-2016.09.01/force_ebi_iosr_normal.patch | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/recipes-bsp/u-boot/u-boot-2016.09.01/force_ebi_iosr_normal.patch b/recipes-bsp/u-boot/u-boot-2016.09.01/force_ebi_iosr_normal.patch new file mode 100644 index 0000000..3fcfefd --- /dev/null +++ b/recipes-bsp/u-boot/u-boot-2016.09.01/force_ebi_iosr_normal.patch @@ -0,0 +1,19 @@ +# +# This change fixes issues with Alliance memory. +# It is not for mainstream use at this time. +# +# Note that at91sam9x5ek.c sets the EBI drive to +# normal in RAM code and low in NAND code, and +# there is only one setting for both. +diff -adNru orig/board/atmel/at91sam9x5ek/at91sam9x5ek.c new/board/atmel/at91sam9x5ek/at91sam9x5ek.c +--- orig/board/atmel/at91sam9x5ek/at91sam9x5ek.c 2023-02-08 16:01:43.514553156 -0600 ++++ new/board/atmel/at91sam9x5ek/at91sam9x5ek.c 2023-02-08 16:02:19.274552534 -0600 +@@ -47,7 +47,7 @@ + csa |= AT91_MATRIX_NFD0_ON_D16; + + /* Configure IO drive */ +- csa &= ~AT91_MATRIX_EBI_EBI_IOSR_NORMAL; ++ csa |= AT91_MATRIX_EBI_EBI_IOSR_NORMAL; + + writel(csa, &matrix->ebicsa); + |