xtensa: s6105 specific configuration for s6gmac

Platform-specific configuration for the s6gmac driver, including the
PHY interrupt line.

Signed-off-by: Daniel Glockner <dg@emlix.com>
Signed-off-by: Oskar Schirmer <os@emlix.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Johannes Weiner <jw@emlix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/xtensa/platforms/s6105/setup.c b/arch/xtensa/platforms/s6105/setup.c
index 95fa23c8e632..86ce730f7913 100644
--- a/arch/xtensa/platforms/s6105/setup.c
+++ b/arch/xtensa/platforms/s6105/setup.c
@@ -35,12 +35,21 @@ void __init platform_setup(char **cmdline)
 {
         unsigned long reg;
 
+        reg = readl(S6_REG_GREG1 + S6_GREG1_PLLSEL);
+        reg &= ~(S6_GREG1_PLLSEL_GMAC_MASK << S6_GREG1_PLLSEL_GMAC |
+                S6_GREG1_PLLSEL_GMII_MASK << S6_GREG1_PLLSEL_GMII);
+        reg |= S6_GREG1_PLLSEL_GMAC_125MHZ << S6_GREG1_PLLSEL_GMAC |
+                S6_GREG1_PLLSEL_GMII_125MHZ << S6_GREG1_PLLSEL_GMII;
+        writel(reg, S6_REG_GREG1 + S6_GREG1_PLLSEL);
+
         reg = readl(S6_REG_GREG1 + S6_GREG1_CLKGATE);
         reg &= ~(1 << S6_GREG1_BLOCK_SB);
+        reg &= ~(1 << S6_GREG1_BLOCK_GMAC);
         writel(reg, S6_REG_GREG1 + S6_GREG1_CLKGATE);
 
         reg = readl(S6_REG_GREG1 + S6_GREG1_BLOCKENA);
         reg |= 1 << S6_GREG1_BLOCK_SB;
+        reg |= 1 << S6_GREG1_BLOCK_GMAC;
         writel(reg, S6_REG_GREG1 + S6_GREG1_BLOCKENA);
 
         printk(KERN_NOTICE "S6105 on Stretch S6000 - "