[src/trunk]: src/sys/arch/arm/sunxi sun50i_h6_ccu: add PCIe clocks

[jakllsch <jakllsch%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a2bbb871ad81
branches:  trunk
changeset: 448918:a2bbb871ad81
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Wed Feb 13 18:31:11 2019 +0000

description:
sun50i_h6_ccu: add PCIe clocks

diffstat:

 sys/arch/arm/sunxi/sun50i_h6_ccu.c |  42 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 40 insertions(+), 2 deletions(-)

diffs (84 lines):

diff -r 3a5898228d8a -r a2bbb871ad81 sys/arch/arm/sunxi/sun50i_h6_ccu.c
--- a/sys/arch/arm/sunxi/sun50i_h6_ccu.c        Wed Feb 13 18:18:38 2019 +0000
+++ b/sys/arch/arm/sunxi/sun50i_h6_ccu.c        Wed Feb 13 18:31:11 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sun50i_h6_ccu.c,v 1.2 2019/02/13 18:18:38 jakllsch Exp $ */
+/* $NetBSD: sun50i_h6_ccu.c,v 1.3 2019/02/13 18:31:11 jakllsch Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: sun50i_h6_ccu.c,v 1.2 2019/02/13 18:18:38 jakllsch Exp $");
+__KERNEL_RCSID(1, "$NetBSD: sun50i_h6_ccu.c,v 1.3 2019/02/13 18:31:11 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -42,6 +42,7 @@
 
 #define        PLL_CPUX_CTRL_REG       0x000
 #define        PLL_PERI0_CTRL_REG      0x020
+#define        PSI_AHB1_AHB2_CFG_REG   0x510
 #define        AHB3_CFG_REG            0x51c
 #define        APB2_CFG_REG            0x524
 #define        MBUS_CFG_REG            0x540
@@ -81,6 +82,9 @@
 #define        USB1_CLK_REG            0xa74
 #define        USB3_CLK_REG            0xa7c
 #define        USB_BGR_REG             0xa8c
+#define        PCIE_REF_CLK_REG        0xab0
+#define        PCIE_AXI_CLK_REG        0xab4
+#define        PCIE_AUX_CLK_REG        0xab8
 #define        PCIE_BGR_REG            0xabc
 #define        HDMI_BGR_REG            0xb1c
 #define        DISPLAY_IF_TOP_BGR_REG  0xb5c
@@ -210,6 +214,9 @@
 static const char *ahb3_parents[] = { "hosc", "losc", "psi", "pll_periph0" };
 static const char *apb2_parents[] = { "hosc", "losc", "psi", "pll_periph0" };
 static const char *mod_parents[] = { "hosc", "pll_periph0_2x", "pll_periph1_2x" };
+static const char *hosc_parent[] = { "hosc" };
+static const char *pll_periph0_parent[] = { "pll_periph0" };
+static const char *psi_ahb1_ahb2_parents[] = { "hosc", "losc", "iosc", "pll_periph0" };
 
 static struct sunxi_ccu_clk sun50i_h6_ccu_clks[] = {
        SUNXI_CCU_FIXED_FACTOR(H6_CLK_OSC12M, "osc12m", "hosc", 2, 1),
@@ -330,6 +337,37 @@
 
        SUNXI_CCU_GATE(H6_CLK_BUS_EMAC, "bus-emac", "ahb3",
            EMAC_BGR_REG, 0),
+
+       SUNXI_CCU_FIXED_FACTOR(H6_CLK_PCIE_REF_100M, "pcie_ref_100M",
+           "pll_periph0_4x", 24, 1),
+       SUNXI_CCU_GATE(H6_CLK_PCIE_REF, "pcie_ref", "pcie_ref_100M",
+           PCIE_REF_CLK_REG, 31),
+       SUNXI_CCU_GATE(H6_CLK_PCIE_REF_OUT, "pcie_ref_out", "pcie_ref",
+           PCIE_REF_CLK_REG, 30),
+
+       SUNXI_CCU_NM(H6_CLK_PSI_AHB1_AHB2, "psi_ahb1_ahb2",
+           psi_ahb1_ahb2_parents,
+           PSI_AHB1_AHB2_CFG_REG,      /* reg */
+           __BITS(9,8),        /* n */
+           __BITS(1,0),        /* m */
+           __BITS(25,24),      /* sel */
+           0,                  /* enable */
+           SUNXI_CCU_NM_POWER_OF_TWO),
+       SUNXI_CCU_DIV_GATE(H6_CLK_PCIE_MAXI, "pcie_maxi", pll_periph0_parent,
+           PCIE_AXI_CLK_REG,   /* reg */
+           __BITS(3,0),        /* div */
+           0,                  /* sel */
+           __BIT(31),          /* enable */
+           SUNXI_CCU_DIV_ZERO_IS_ONE),
+       SUNXI_CCU_DIV_GATE(H6_CLK_PCIE_AUX, "pcie_aux", hosc_parent,
+           PCIE_AUX_CLK_REG,   /* reg */
+           __BITS(4,0),        /* div */
+           0,                  /* sel */
+           __BIT(31),          /* enable */
+           SUNXI_CCU_DIV_ZERO_IS_ONE),
+
+       SUNXI_CCU_GATE(H6_CLK_BUS_PCIE, "bus_pcie", "psi_ahb1_ahb2",
+           PCIE_BGR_REG, 0),
 };
 
 static int