diff options
| author | Paul Burton <paul.burton@imgtec.com> | 2013-11-08 11:18:51 +0000 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2013-11-09 17:21:01 +0100 |
| commit | e0ada6319bb3eb8bc1f97c00f05508ac0cfffc34 (patch) | |
| tree | ab5313cdf21b77a1944ed4b271ff0a5ccc24e691 | |
| parent | baf37f06c5cc51d2b9d71a2c83d5d92de60203a9 (diff) | |
malta: display "U-boot" on the LCD screen
Displaying a message on the LCD screen is a simple yet effective way to
show the user that the board has booted successfully.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
| -rw-r--r-- | arch/mips/include/asm/malta.h | 10 | ||||
| -rw-r--r-- | board/imgtec/malta/malta.c | 19 |
2 files changed, 29 insertions, 0 deletions
diff --git a/arch/mips/include/asm/malta.h b/arch/mips/include/asm/malta.h index 0b50a66e07d..d8ec57cf488 100644 --- a/arch/mips/include/asm/malta.h +++ b/arch/mips/include/asm/malta.h @@ -32,6 +32,16 @@ #define MALTA_MSC01_PCIIO_MAP 0x00000000 #define MALTA_MSC01_UART0_BASE (MALTA_MSC01_PCIIO_BASE + 0x3f8) +#define MALTA_ASCIIWORD 0x1f000410 +#define MALTA_ASCIIPOS0 0x1f000418 +#define MALTA_ASCIIPOS1 0x1f000420 +#define MALTA_ASCIIPOS2 0x1f000428 +#define MALTA_ASCIIPOS3 0x1f000430 +#define MALTA_ASCIIPOS4 0x1f000438 +#define MALTA_ASCIIPOS5 0x1f000440 +#define MALTA_ASCIIPOS6 0x1f000448 +#define MALTA_ASCIIPOS7 0x1f000450 + #define MALTA_RESET_BASE 0x1f000500 #define GORESET 0x42 diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c index 2af00672daa..119546ae166 100644 --- a/board/imgtec/malta/malta.c +++ b/board/imgtec/malta/malta.c @@ -29,6 +29,24 @@ enum sys_con { SYSCON_MSC01, }; +static void malta_lcd_puts(const char *str) +{ + int i; + void *reg = (void *)CKSEG1ADDR(MALTA_ASCIIPOS0); + + /* print up to 8 characters of the string */ + for (i = 0; i < min(strlen(str), 8); i++) { + __raw_writel(str[i], reg); + reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0; + } + + /* fill the rest of the display with spaces */ + for (; i < 8; i++) { + __raw_writel(' ', reg); + reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0; + } +} + static enum core_card malta_core_card(void) { u32 corid, rev; @@ -71,6 +89,7 @@ int checkboard(void) { enum core_card core; + malta_lcd_puts("U-boot"); puts("Board: MIPS Malta"); core = malta_core_card(); |