diff options
Diffstat (limited to 'firmware/target/arm/tcc77x')
| -rw-r--r-- | firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c | 2 | ||||
| -rw-r--r-- | firmware/target/arm/tcc77x/system-target.h | 13 |
2 files changed, 14 insertions, 1 deletions
diff --git a/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c b/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c index ef7e1ec140..6da0d2c083 100644 --- a/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c +++ b/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c @@ -128,7 +128,7 @@ static void _display_on(void) void lcd_init_device(void) { /* Configure external memory banks */ - CSCFG1 = 0x2d500023 | (((MCFG >> 11) & 1) << 28); + CSCFG1 = 0x0d500023 | tcc77x_cscfg_bw(TCC77X_CSCFG_BW16); /* may be reset */ GPIOA |= 0x8000; diff --git a/firmware/target/arm/tcc77x/system-target.h b/firmware/target/arm/tcc77x/system-target.h index 55dd52ef47..beeeac05c6 100644 --- a/firmware/target/arm/tcc77x/system-target.h +++ b/firmware/target/arm/tcc77x/system-target.h @@ -43,4 +43,17 @@ static inline void udelay(unsigned usecs) while (TIME_BEFORE(USEC_TIMER, stop)); } + +#define TCC77X_CSCFG_BW8 0 +#define TCC77X_CSCFG_BW16 1 + +/* Due to hardware bug or "feature" this hack is needed to set bus width bits */ +static inline +unsigned long tcc77x_cscfg_bw(int bw) { + if (bw == TCC77X_CSCFG_BW8) + return (((MCFG >> 11) & 3) ^ 3) << 28; + else + return (((MCFG >> 11) & 3) ^ 2) << 28; +} + #endif /* SYSTEM_TARGET_H */ |