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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-03-27 23:26:43 +0100 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-04-04 20:42:21 +0200 |
| commit | f82518d7f443ebac5f8821103a3c521c963aa6ee (patch) | |
| tree | 2e9d268371311b19943e5f41ec6d15dfdeb7e766 | |
| parent | 3524049cd053746298e4cfab2449882e75c146fc (diff) | |
| download | u-boot-imx-f82518d7f443ebac5f8821103a3c521c963aa6ee.zip u-boot-imx-f82518d7f443ebac5f8821103a3c521c963aa6ee.tar.gz u-boot-imx-f82518d7f443ebac5f8821103a3c521c963aa6ee.tar.bz2 | |
at91rm9200: Reset update
Update the rm9200 reset sequence to try executing a board-specific reset
function and move specific board reset to board.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
| -rw-r--r-- | board/atmel/at91rm9200dk/at91rm9200dk.c | 10 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/interrupts.c | 14 |
2 files changed, 14 insertions, 10 deletions
diff --git a/board/atmel/at91rm9200dk/at91rm9200dk.c b/board/atmel/at91rm9200dk/at91rm9200dk.c index b89a3fd..c761dd7 100644 --- a/board/atmel/at91rm9200dk/at91rm9200dk.c +++ b/board/atmel/at91rm9200dk/at91rm9200dk.c @@ -54,6 +54,16 @@ int board_init (void) return 0; } +void board_reset (void) +{ + AT91PS_PIO pio = AT91C_BASE_PIOA; + + /* Clear PA19 to trigger the hard reset */ + writel(0x00080000, pio->PIO_CODR); + writel(0x00080000, pio->PIO_OER); + writel(0x00080000, pio->PIO_PER); +} + int dram_init (void) { gd->bd->bi_dram[0].start = PHYS_SDRAM; diff --git a/cpu/arm920t/at91rm9200/interrupts.c b/cpu/arm920t/at91rm9200/interrupts.c index 15e22bf..cff4916 100644 --- a/cpu/arm920t/at91rm9200/interrupts.c +++ b/cpu/arm920t/at91rm9200/interrupts.c @@ -45,6 +45,8 @@ AT91PS_TC tmr; static ulong timestamp; static ulong lastinc; +void board_reset(void) __attribute__((__weak__)); + int interrupt_init (void) { tmr = AT91C_BASE_TC0; @@ -166,21 +168,13 @@ ulong get_tbclk (void) void reset_cpu (ulong ignored) { -#ifdef CONFIG_AT91RM9200DK - AT91PS_PIO pio = AT91C_BASE_PIOA; -#endif - #if defined(CONFIG_AT91RM9200_USART) /*shutdown the console to avoid strange chars during reset */ serial_exit(); #endif -#ifdef CONFIG_AT91RM9200DK - /* Clear PA19 to trigger the hard reset */ - pio->PIO_CODR = 0x00080000; - pio->PIO_OER = 0x00080000; - pio->PIO_PER = 0x00080000; -#endif + if (board_reset) + board_reset(); /* this is the way Linux does it */ |