diff options
Diffstat (limited to 'recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/0001-mtrv1-DDRlowDriveStrength.patch')
-rw-r--r-- | recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/0001-mtrv1-DDRlowDriveStrength.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/0001-mtrv1-DDRlowDriveStrength.patch b/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/0001-mtrv1-DDRlowDriveStrength.patch new file mode 100644 index 0000000..e57ba89 --- /dev/null +++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/0001-mtrv1-DDRlowDriveStrength.patch @@ -0,0 +1,22 @@ +diff -Naru at91bootstrap-3.8.12.orig/board/at91sam9x5ek/at91sam9x5ek.c at91bootstrap-3.8.12/board/at91sam9x5ek/at91sam9x5ek.c +--- at91bootstrap-3.8.12.orig/board/at91sam9x5ek/at91sam9x5ek.c 2019-03-19 16:57:01.976164610 -0500 ++++ at91bootstrap-3.8.12/board/at91sam9x5ek/at91sam9x5ek.c 2019-03-19 16:58:01.688162842 -0500 +@@ -75,6 +75,7 @@ + | AT91C_DDRC2_CAS_3 /* CAS Latency 3 */ + | AT91C_DDRC2_NB_BANKS_8 /* 8 banks */ + | AT91C_DDRC2_DISABLE_RESET_DLL ++ | AT91C_DDRC2_DIC_DS /* Low DDR Drive Strength */ + | AT91C_DDRC2_DECOD_INTERLEAVED);/*Interleaved decode*/ + + /* +diff -Naru at91bootstrap-3.8.12.orig/driver/common.c at91bootstrap-3.8.12/driver/common.c +--- at91bootstrap-3.8.12.orig/driver/common.c 2019-03-19 16:46:52.532182652 -0500 ++++ at91bootstrap-3.8.12/driver/common.c 2019-03-19 16:48:42.144179407 -0500 +@@ -143,6 +143,7 @@ + usart_puts(media); + + if (retval == 0) { ++ usart_puts("DDR Drive Strength: low\n"); + #if defined(CONFIG_LOAD_NONE) + usart_puts("AT91Bootstrap completed. Can load application via JTAG and jump.\n"); + #else |