diff options
Diffstat (limited to 'board/mx31ads/mx31ads.c')
| -rw-r--r-- | board/mx31ads/mx31ads.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/board/mx31ads/mx31ads.c b/board/mx31ads/mx31ads.c index 7c50c02..5a7d8c9 100644 --- a/board/mx31ads/mx31ads.c +++ b/board/mx31ads/mx31ads.c @@ -38,18 +38,18 @@ int dram_init (void) int board_init (void) { int i; -#if 0 + /* CS0: Nor Flash */ /* - * These are values from the RedBoot sources by Freescale. However, - * under U-Boot with this configuration 32-bit accesses don't work, - * lower 16 bits of data are read twice for each 32-bit read. + * CS0L and CS0A values are from the RedBoot sources by Freescale + * and are also equal to those used by Sascha Hauer for the Phytec + * i.MX31 board. CS0U is just a slightly optimized hardware default: + * the only non-zero field "Wait State Control" is set to half the + * default value. */ - __REG(CSCR_U(0)) = 0x23524E80; - __REG(CSCR_L(0)) = 0x10000D03; /* WRAP bit (1) is suspicious here, but - * disabling it doesn't help either */ + __REG(CSCR_U(0)) = 0x00000f00; + __REG(CSCR_L(0)) = 0x10000D03; __REG(CSCR_A(0)) = 0x00720900; -#endif /* setup pins for UART1 */ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); |