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author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-30 08:47:41 +0200 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-30 08:47:41 +0200 |
commit | 44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2 (patch) | |
tree | ec97ee26c9715f8da24377e9cacc63261b0aa2ab /drivers/power/reset/at91-reset.c | |
parent | 40a4a5727f21a0e439d317aa99953e24467605eb (diff) | |
parent | 2d4df13c0f9ef56452b1d9a9016cb3946e17bfe5 (diff) | |
download | blackbird-obmc-linux-44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2.tar.gz blackbird-obmc-linux-44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2.zip |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next
Backmerge to catch up with 4.3. slightly more involved conflict in the
irq code, but nothing beyond adjacent changes.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/power/reset/at91-reset.c')
-rw-r--r-- | drivers/power/reset/at91-reset.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 36dc52fb2ec8..c378d4ec826f 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -123,6 +123,15 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, return NOTIFY_DONE; } +static int sama5d3_restart(struct notifier_block *this, unsigned long mode, + void *cmd) +{ + writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST), + at91_rstc_base); + + return NOTIFY_DONE; +} + static void __init at91_reset_status(struct platform_device *pdev) { u32 reg = readl(at91_rstc_base + AT91_RSTC_SR); @@ -155,13 +164,13 @@ static void __init at91_reset_status(struct platform_device *pdev) static const struct of_device_id at91_ramc_of_match[] = { { .compatible = "atmel,at91sam9260-sdramc", }, { .compatible = "atmel,at91sam9g45-ddramc", }, - { .compatible = "atmel,sama5d3-ddramc", }, { /* sentinel */ } }; static const struct of_device_id at91_reset_of_match[] = { { .compatible = "atmel,at91sam9260-rstc", .data = at91sam9260_restart }, { .compatible = "atmel,at91sam9g45-rstc", .data = at91sam9g45_restart }, + { .compatible = "atmel,sama5d3-rstc", .data = sama5d3_restart }, { /* sentinel */ } }; @@ -181,13 +190,16 @@ static int at91_reset_of_probe(struct platform_device *pdev) return -ENODEV; } - for_each_matching_node(np, at91_ramc_of_match) { - at91_ramc_base[idx] = of_iomap(np, 0); - if (!at91_ramc_base[idx]) { - dev_err(&pdev->dev, "Could not map ram controller address\n"); - return -ENODEV; + if (!of_device_is_compatible(pdev->dev.of_node, "atmel,sama5d3-rstc")) { + /* we need to shutdown the ddr controller, so get ramc base */ + for_each_matching_node(np, at91_ramc_of_match) { + at91_ramc_base[idx] = of_iomap(np, 0); + if (!at91_ramc_base[idx]) { + dev_err(&pdev->dev, "Could not map ram controller address\n"); + return -ENODEV; + } + idx++; } - idx++; } match = of_match_node(at91_reset_of_match, pdev->dev.of_node); |