ARM: meson: rework soc arch file to prepare for new SoC

We are about to add support for the Amlogic AXG SoC. While very close to
the Gx SoC family, we will need to handle a few thing which are different
in this SoC. Rework the meson arch directory to prepare for this.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/include/asm/arch-meson/clock-gx.h b/arch/arm/include/asm/arch-meson/clock-gx.h
new file mode 100644
index 0000000..13a2e76
--- /dev/null
+++ b/arch/arm/include/asm/arch-meson/clock-gx.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2016 - AmLogic, Inc.
+ * Copyright 2018 - Beniamino Galvani <b.galvani@gmail.com>
+ */
+#ifndef _ARCH_MESON_CLOCK_GX_H_
+#define _ARCH_MESON_CLOCK_GX_H_
+
+/*
+ * Clock controller register offsets
+ *
+ * Register offsets from the data sheet are listed in comment blocks below.
+ * Those offsets must be multiplied by 4 before adding them to the base address
+ * to get the right value
+ */
+#define SCR				0x2C /* 0x0b offset in data sheet */
+#define TIMEOUT_VALUE			0x3c /* 0x0f offset in data sheet */
+
+#define HHI_GP0_PLL_CNTL		0x40 /* 0x10 offset in data sheet */
+#define HHI_GP0_PLL_CNTL2		0x44 /* 0x11 offset in data sheet */
+#define HHI_GP0_PLL_CNTL3		0x48 /* 0x12 offset in data sheet */
+#define HHI_GP0_PLL_CNTL4		0x4c /* 0x13 offset in data sheet */
+#define	HHI_GP0_PLL_CNTL5		0x50 /* 0x14 offset in data sheet */
+#define	HHI_GP0_PLL_CNTL1		0x58 /* 0x16 offset in data sheet */
+
+#define	HHI_XTAL_DIVN_CNTL		0xbc /* 0x2f offset in data sheet */
+#define	HHI_TIMER90K			0xec /* 0x3b offset in data sheet */
+
+#define	HHI_MEM_PD_REG0			0x100 /* 0x40 offset in data sheet */
+#define	HHI_MEM_PD_REG1			0x104 /* 0x41 offset in data sheet */
+#define	HHI_VPU_MEM_PD_REG1		0x108 /* 0x42 offset in data sheet */
+#define	HHI_VIID_CLK_DIV		0x128 /* 0x4a offset in data sheet */
+#define	HHI_VIID_CLK_CNTL		0x12c /* 0x4b offset in data sheet */
+
+#define HHI_GCLK_MPEG0			0x140 /* 0x50 offset in data sheet */
+#define HHI_GCLK_MPEG1			0x144 /* 0x51 offset in data sheet */
+#define HHI_GCLK_MPEG2			0x148 /* 0x52 offset in data sheet */
+#define HHI_GCLK_OTHER			0x150 /* 0x54 offset in data sheet */
+#define HHI_GCLK_AO			0x154 /* 0x55 offset in data sheet */
+#define HHI_SYS_OSCIN_CNTL		0x158 /* 0x56 offset in data sheet */
+#define HHI_SYS_CPU_CLK_CNTL1		0x15c /* 0x57 offset in data sheet */
+#define HHI_SYS_CPU_RESET_CNTL		0x160 /* 0x58 offset in data sheet */
+#define HHI_VID_CLK_DIV			0x164 /* 0x59 offset in data sheet */
+
+#define HHI_MPEG_CLK_CNTL		0x174 /* 0x5d offset in data sheet */
+#define HHI_AUD_CLK_CNTL		0x178 /* 0x5e offset in data sheet */
+#define HHI_VID_CLK_CNTL		0x17c /* 0x5f offset in data sheet */
+#define HHI_AUD_CLK_CNTL2		0x190 /* 0x64 offset in data sheet */
+#define HHI_VID_CLK_CNTL2		0x194 /* 0x65 offset in data sheet */
+#define HHI_SYS_CPU_CLK_CNTL0		0x19c /* 0x67 offset in data sheet */
+#define HHI_VID_PLL_CLK_DIV		0x1a0 /* 0x68 offset in data sheet */
+#define HHI_AUD_CLK_CNTL3		0x1a4 /* 0x69 offset in data sheet */
+#define HHI_MALI_CLK_CNTL		0x1b0 /* 0x6c offset in data sheet */
+#define HHI_VPU_CLK_CNTL		0x1bC /* 0x6f offset in data sheet */
+
+#define HHI_HDMI_CLK_CNTL		0x1CC /* 0x73 offset in data sheet */
+#define HHI_VDEC_CLK_CNTL		0x1E0 /* 0x78 offset in data sheet */
+#define HHI_VDEC2_CLK_CNTL		0x1E4 /* 0x79 offset in data sheet */
+#define HHI_VDEC3_CLK_CNTL		0x1E8 /* 0x7a offset in data sheet */
+#define HHI_VDEC4_CLK_CNTL		0x1EC /* 0x7b offset in data sheet */
+#define HHI_HDCP22_CLK_CNTL		0x1F0 /* 0x7c offset in data sheet */
+#define HHI_VAPBCLK_CNTL		0x1F4 /* 0x7d offset in data sheet */
+
+#define HHI_VPU_CLKB_CNTL		0x20C /* 0x83 offset in data sheet */
+#define HHI_USB_CLK_CNTL		0x220 /* 0x88 offset in data sheet */
+#define HHI_32K_CLK_CNTL		0x224 /* 0x89 offset in data sheet */
+#define HHI_GEN_CLK_CNTL		0x228 /* 0x8a offset in data sheet */
+#define HHI_GEN_CLK_CNTL		0x228 /* 0x8a offset in data sheet */
+
+#define HHI_PCM_CLK_CNTL		0x258 /* 0x96 offset in data sheet */
+#define HHI_NAND_CLK_CNTL		0x25C /* 0x97 offset in data sheet */
+#define HHI_SD_EMMC_CLK_CNTL		0x264 /* 0x99 offset in data sheet */
+
+#define HHI_MPLL_CNTL			0x280 /* 0xa0 offset in data sheet */
+#define HHI_MPLL_CNTL2			0x284 /* 0xa1 offset in data sheet */
+#define HHI_MPLL_CNTL3			0x288 /* 0xa2 offset in data sheet */
+#define HHI_MPLL_CNTL4			0x28C /* 0xa3 offset in data sheet */
+#define HHI_MPLL_CNTL5			0x290 /* 0xa4 offset in data sheet */
+#define HHI_MPLL_CNTL6			0x294 /* 0xa5 offset in data sheet */
+#define HHI_MPLL_CNTL7			0x298 /* 0xa6 offset in data sheet */
+#define HHI_MPLL_CNTL8			0x29C /* 0xa7 offset in data sheet */
+#define HHI_MPLL_CNTL9			0x2A0 /* 0xa8 offset in data sheet */
+#define HHI_MPLL_CNTL10			0x2A4 /* 0xa9 offset in data sheet */
+
+#define HHI_MPLL3_CNTL0			0x2E0 /* 0xb8 offset in data sheet */
+#define HHI_MPLL3_CNTL1			0x2E4 /* 0xb9 offset in data sheet */
+#define HHI_VDAC_CNTL0			0x2F4 /* 0xbd offset in data sheet */
+#define HHI_VDAC_CNTL1			0x2F8 /* 0xbe offset in data sheet */
+
+#define HHI_SYS_PLL_CNTL		0x300 /* 0xc0 offset in data sheet */
+#define HHI_SYS_PLL_CNTL2		0x304 /* 0xc1 offset in data sheet */
+#define HHI_SYS_PLL_CNTL3		0x308 /* 0xc2 offset in data sheet */
+#define HHI_SYS_PLL_CNTL4		0x30c /* 0xc3 offset in data sheet */
+#define HHI_SYS_PLL_CNTL5		0x310 /* 0xc4 offset in data sheet */
+#define HHI_DPLL_TOP_I			0x318 /* 0xc6 offset in data sheet */
+#define HHI_DPLL_TOP2_I			0x31C /* 0xc7 offset in data sheet */
+#define HHI_HDMI_PLL_CNTL		0x320 /* 0xc8 offset in data sheet */
+#define HHI_HDMI_PLL_CNTL2		0x324 /* 0xc9 offset in data sheet */
+#define HHI_HDMI_PLL_CNTL3		0x328 /* 0xca offset in data sheet */
+#define HHI_HDMI_PLL_CNTL4		0x32C /* 0xcb offset in data sheet */
+#define HHI_HDMI_PLL_CNTL5		0x330 /* 0xcc offset in data sheet */
+#define HHI_HDMI_PLL_CNTL6		0x334 /* 0xcd offset in data sheet */
+#define HHI_HDMI_PLL_CNTL_I		0x338 /* 0xce offset in data sheet */
+#define HHI_HDMI_PLL_CNTL7		0x33C /* 0xcf offset in data sheet */
+
+#define HHI_HDMI_PHY_CNTL0		0x3A0 /* 0xe8 offset in data sheet */
+#define HHI_HDMI_PHY_CNTL1		0x3A4 /* 0xe9 offset in data sheet */
+#define HHI_HDMI_PHY_CNTL2		0x3A8 /* 0xea offset in data sheet */
+#define HHI_HDMI_PHY_CNTL3		0x3AC /* 0xeb offset in data sheet */
+
+#define HHI_VID_LOCK_CLK_CNTL		0x3C8 /* 0xf2 offset in data sheet */
+#define HHI_BT656_CLK_CNTL		0x3D4 /* 0xf5 offset in data sheet */
+#define HHI_SAR_CLK_CNTL		0x3D8 /* 0xf6 offset in data sheet */
+
+ulong meson_measure_clk_rate(unsigned int clk);
+
+#endif