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| author | Heiko Schocher <hs@denx.de> | 2013-11-18 08:07:23 +0100 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2013-12-01 22:38:52 +0100 |
| commit | 4535a24c0c06e367bc40c43b4807bdb335513a1a (patch) | |
| tree | 96299cbb0828cf3d43e8b14984ebf6e97967ea07 /board/taskit/stamp9g20 | |
| parent | c5e8885aab9d282fa480cfa359cf5fd84248abb8 (diff) | |
| download | blackbird-obmc-uboot-4535a24c0c06e367bc40c43b4807bdb335513a1a.tar.gz blackbird-obmc-uboot-4535a24c0c06e367bc40c43b4807bdb335513a1a.zip | |
arm926ejs, at91: add common phy_reset function
add common phy reset code into a common function.
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Bo Shen <voice.shen@atmel.com>
Cc: Jens Scharsig <esw@bus-elektronik.de>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Stelian Pop <stelian@popies.net>
Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Cc: Eric Benard <eric@eukrea.com>
Cc: Markus Hubig <mhubig@imko.de>
Acked-by: Jens Scharsig (BuS Elektronik) <esw@bus-elektronik.de>
Tested-by: Jens Scharsig (BuS Elektronik) <esw@bus-elektronik.de>
Tested-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Diffstat (limited to 'board/taskit/stamp9g20')
| -rw-r--r-- | board/taskit/stamp9g20/stamp9g20.c | 31 |
1 files changed, 1 insertions, 30 deletions
diff --git a/board/taskit/stamp9g20/stamp9g20.c b/board/taskit/stamp9g20/stamp9g20.c index 704a63bad8..27cdf77f01 100644 --- a/board/taskit/stamp9g20/stamp9g20.c +++ b/board/taskit/stamp9g20/stamp9g20.c @@ -19,7 +19,6 @@ #include <asm/arch/at91sam9_smc.h> #include <asm/arch/at91_common.h> #include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_rstc.h> #include <asm/arch/gpio.h> #include <watchdog.h> @@ -67,8 +66,6 @@ static void stamp9G20_nand_hw_init(void) static void stamp9G20_macb_hw_init(void) { struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA; - struct at91_rstc *rstc = (struct at91_rstc *)ATMEL_BASE_RSTC; - unsigned long erstl; /* Enable the PHY Chip via PA26 on the Stamp 2 Adaptor */ at91_set_gpio_output(AT91_PIN_PA26, 0); @@ -91,33 +88,7 @@ static void stamp9G20_macb_hw_init(void) pin_to_mask(AT91_PIN_PA28), &pioa->pudr); - erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; - - /* Need to reset PHY -> 500ms reset */ - writel(AT91_RSTC_KEY | (AT91_RSTC_MR_ERSTL(13) & - ~AT91_RSTC_MR_URSTEN), &rstc->mr); - writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr); - - /* Wait for end of hardware reset */ - unsigned long start = get_timer(0); - unsigned long timeout = 1000; /* 1000ms */ - - while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) { - - /* avoid shutdown by watchdog */ - WATCHDOG_RESET(); - mdelay(10); - - /* timeout for not getting stuck in an endless loop */ - if (get_timer(start) >= timeout) { - puts("*** ERROR: Timeout waiting for PHY reset!\n"); - break; - }; - }; - - /* Restore NRST value */ - writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, - &rstc->mr); + at91_phy_reset(); /* Re-enable pull-up */ writel(pin_to_mask(AT91_PIN_PA14) | |
