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path: root/arch/arm/cpu/armv7/zynq/slcr.c
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Diffstat (limited to 'arch/arm/cpu/armv7/zynq/slcr.c')
-rw-r--r--arch/arm/cpu/armv7/zynq/slcr.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c
index 788a8fd14f..5a8674ab2c 100644
--- a/arch/arm/cpu/armv7/zynq/slcr.c
+++ b/arch/arm/cpu/armv7/zynq/slcr.c
@@ -61,3 +61,29 @@ void zynq_slcr_cpu_reset(void)
writel(1, &slcr_base->pss_rst_ctrl);
}
+
+/* Setup clk for network */
+void zynq_slcr_gem_clk_setup(u32 gem_id, u32 rclk, u32 clk)
+{
+ zynq_slcr_unlock();
+
+ if (gem_id > 1) {
+ printf("Non existing GEM id %d\n", gem_id);
+ goto out;
+ }
+
+ if (gem_id) {
+ /* Set divisors for appropriate frequency in GEM_CLK_CTRL */
+ writel(clk, &slcr_base->gem1_clk_ctrl);
+ /* Configure GEM_RCLK_CTRL */
+ writel(rclk, &slcr_base->gem1_rclk_ctrl);
+ } else {
+ /* Set divisors for appropriate frequency in GEM_CLK_CTRL */
+ writel(clk, &slcr_base->gem0_clk_ctrl);
+ /* Configure GEM_RCLK_CTRL */
+ writel(rclk, &slcr_base->gem0_rclk_ctrl);
+ }
+
+out:
+ zynq_slcr_lock();
+}