arm: bcm281xx: Add Ethernet Clock support
Enable Ethernet clock when Broadcom StarFighter2 Ethernet block
(CONFIG_BCM_SF2_ETH) is enabled.
Signed-off-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>
diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c
index bc8a170..d16b99f 100644
--- a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c
+++ b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c
@@ -118,6 +118,16 @@
78 * CLOCK_1M
};
+unsigned long esub_freq_tbl[8] = {
+ 78 * CLOCK_1M,
+ 156 * CLOCK_1M,
+ 156 * CLOCK_1M,
+ 156 * CLOCK_1M,
+ 208 * CLOCK_1M,
+ 208 * CLOCK_1M,
+ 208 * CLOCK_1M
+};
+
static struct bus_clk_data bsc1_apb_data = {
.gate = HW_SW_GATE_AUTO(0x0458, 16, 0, 1),
};
@@ -295,6 +305,27 @@
.freq_tbl = slave_axi_freq_tbl,
};
+#ifdef CONFIG_BCM_SF2_ETH
+static struct ccu_clock esub_ccu_clk = {
+ .clk = {
+ .name = "esub_ccu_clk",
+ .ops = &ccu_clk_ops,
+ .ccu_clk_mgr_base = ESUB_CLK_BASE_ADDR,
+ },
+ .num_policy_masks = 1,
+ .policy_freq_offset = 0x00000008,
+ .freq_bit_shift = 8,
+ .policy_ctl_offset = 0x0000000c,
+ .policy0_mask_offset = 0x00000010,
+ .policy1_mask_offset = 0x00000014,
+ .policy2_mask_offset = 0x00000018,
+ .policy3_mask_offset = 0x0000001c,
+ .lvm_en_offset = 0x00000034,
+ .freq_id = 2,
+ .freq_tbl = esub_freq_tbl,
+};
+#endif
+
/*
* Bus clocks
*/
@@ -517,6 +548,9 @@
CLK_LK(bsc1_apb),
CLK_LK(bsc2_apb),
CLK_LK(bsc3_apb),
+#ifdef CONFIG_BCM_SF2_ETH
+ CLK_LK(esub_ccu),
+#endif
};
/* public array size */