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authorBarry Song <Baohua.Song@csr.com>2015-01-04 07:48:20 +0100
committerBarry Song <Baohua.Song@csr.com>2015-01-20 12:56:40 +0100
commite664c3fffdbcef3fd50858fd299eb2bde84dfaf8 (patch)
treebc48699577a3fd9de754a9aa30874c2753cbaf11 /arch/arm/mach-prima2
parentARM: sirf: add two debug ports for CSRatlas7 SoC (diff)
downloadlinux-e664c3fffdbcef3fd50858fd299eb2bde84dfaf8.tar.xz
linux-e664c3fffdbcef3fd50858fd299eb2bde84dfaf8.zip
ARM: sirf: drop Marco support in reset controller module
Marco will not be supported any more. It has been replaced by CSR Atlas7. Signed-off-by: Barry Song <Baohua.Song@csr.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-prima2')
-rw-r--r--arch/arm/mach-prima2/rstc.c41
1 files changed, 12 insertions, 29 deletions
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index e1f1f86f6a95..7c251eb11d01 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -34,36 +34,20 @@ static int sirfsoc_reset_module(struct reset_controller_dev *rcdev,
mutex_lock(&rstc_lock);
- if (of_device_is_compatible(rcdev->of_node, "sirf,prima2-rstc")) {
- /*
- * Writing 1 to this bit resets corresponding block.
- * Writing 0 to this bit de-asserts reset signal of the
- * corresponding block. datasheet doesn't require explicit
- * delay between the set and clear of reset bit. it could
- * be shorter if tests pass.
- */
- writel(readl(sirfsoc_rstc_base +
+ /*
+ * Writing 1 to this bit resets corresponding block.
+ * Writing 0 to this bit de-asserts reset signal of the
+ * corresponding block. datasheet doesn't require explicit
+ * delay between the set and clear of reset bit. it could
+ * be shorter if tests pass.
+ */
+ writel(readl(sirfsoc_rstc_base +
(reset_bit / 32) * 4) | (1 << reset_bit),
- sirfsoc_rstc_base + (reset_bit / 32) * 4);
- msleep(20);
- writel(readl(sirfsoc_rstc_base +
+ sirfsoc_rstc_base + (reset_bit / 32) * 4);
+ msleep(20);
+ writel(readl(sirfsoc_rstc_base +
(reset_bit / 32) * 4) & ~(1 << reset_bit),
- sirfsoc_rstc_base + (reset_bit / 32) * 4);
- } else {
- /*
- * For MARCO and POLO
- * Writing 1 to SET register resets corresponding block.
- * Writing 1 to CLEAR register de-asserts reset signal of the
- * corresponding block.
- * datasheet doesn't require explicit delay between the set and
- * clear of reset bit. it could be shorter if tests pass.
- */
- writel(1 << reset_bit,
- sirfsoc_rstc_base + (reset_bit / 32) * 8);
- msleep(20);
- writel(1 << reset_bit,
- sirfsoc_rstc_base + (reset_bit / 32) * 8 + 4);
- }
+ sirfsoc_rstc_base + (reset_bit / 32) * 4);
mutex_unlock(&rstc_lock);
@@ -106,7 +90,6 @@ static int sirfsoc_rstc_probe(struct platform_device *pdev)
static const struct of_device_id rstc_ids[] = {
{ .compatible = "sirf,prima2-rstc" },
- { .compatible = "sirf,marco-rstc" },
{},
};