soc/mediatek/mt8192: Add initial config for new ARMv8 device MT8192

Add MT8192 address map, memlayout and first Kconfig. MT8192 is similar to
MT8183.

Signed-off-by: CK Hu <ck.hu@mediatek.com>
Change-Id: I4e34c03a11a77ed98674ffd8eeddb20ef5fea89d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43957
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/mediatek/mt8192/Kconfig

@@ -0,0 +1,18 @@
+config SOC_MEDIATEK_MT8192
+	bool
+	default n
+	select ARCH_BOOTBLOCK_ARMV8_64
+	select ARCH_VERSTAGE_ARMV8_64
+	select ARCH_ROMSTAGE_ARMV8_64
+	select ARCH_RAMSTAGE_ARMV8_64
+	select HAVE_UART_SPECIAL
+
+if SOC_MEDIATEK_MT8192
+
+config VBOOT
+	select VBOOT_MUST_REQUEST_DISPLAY
+	select VBOOT_STARTS_IN_BOOTBLOCK
+	select VBOOT_SEPARATE_VERSTAGE
+	select VBOOT_RETURN_FROM_VERSTAGE
+
+endif

src/soc/mediatek/mt8192/include/soc/addressmap.h

@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT8192_INCLUDE_SOC_ADDRESSMAP_H__
+#define __SOC_MEDIATEK_MT8192_INCLUDE_SOC_ADDRESSMAP_H__
+
+enum {
+	MCUSYS_BASE	= 0x0C530000,
+	IO_PHYS		= 0x10000000,
+};
+
+enum {
+	MCUCFG_BASE		= MCUSYS_BASE + 0x00008000,
+};
+
+enum {
+	CKSYS_BASE		= IO_PHYS,
+	INFRACFG_AO_BASE	= IO_PHYS + 0x00001000,
+	GPIO_BASE		= IO_PHYS + 0x00005000,
+	SPM_BASE		= IO_PHYS + 0x00006000,
+	RGU_BASE		= IO_PHYS + 0x00007000,
+	GPT_BASE		= IO_PHYS + 0x00008000,
+	EINT_BASE		= IO_PHYS + 0x0000B000,
+	APMIXED_BASE		= IO_PHYS + 0x0000C000,
+	PWRAP_BASE		= IO_PHYS + 0x0000D000,
+	UART0_BASE		= IO_PHYS + 0x01002000,
+	SSUSB_IPPC_BASE		= IO_PHYS + 0x01203e00,
+	SFLASH_REG_BASE		= IO_PHYS + 0x01234000,
+	IOCFG_RM_BASE		= IO_PHYS + 0x01C20000,
+	IOCFG_BM_BASE		= IO_PHYS + 0x01D10000,
+	IOCFG_BL_BASE		= IO_PHYS + 0x01D30000,
+	IOCFG_BR_BASE		= IO_PHYS + 0x01D40000,
+	IOCFG_LM_BASE		= IO_PHYS + 0x01E20000,
+	SSUSB_SIF_BASE		= IO_PHYS + 0x01E40300,
+	IOCFG_LB_BASE		= IO_PHYS + 0x01E70000,
+	IOCFG_RT_BASE		= IO_PHYS + 0x01EA0000,
+	IOCFG_LT_BASE		= IO_PHYS + 0x01F20000,
+	IOCFG_TL_BASE		= IO_PHYS + 0x01F30000,
+	MSDC0_TOP_BASE		= IO_PHYS + 0x01F50000,
+	MSDC0_BASE		= IO_PHYS + 0x01F60000,
+};
+
+#endif

src/soc/mediatek/mt8192/include/soc/memlayout.ld

@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <memlayout.h>
+
+#include <arch/header.ld>
+
+/*
+ * SRAM_L2C is the half part of L2 cache that we borrow to be used as SRAM.
+ * It will be returned before starting the ramstage.
+ * SRAM_L2C and SRAM can be cached, but only SRAM is DMA-able.
+ */
+#define SRAM_L2C_START(addr) SYMBOL(sram_l2c, addr)
+#define SRAM_L2C_END(addr) SYMBOL(esram_l2c, addr)
+#define DRAM_INIT_CODE(addr, size) \
+	REGION(dram_init_code, addr, size, 4)
+
+SECTIONS
+{
+	SRAM_START(0x00100000)
+	VBOOT2_WORK(0x00100000, 12K)
+	TPM_TCPA_LOG(0x00103000, 2K)
+	FMAP_CACHE(0x00103800, 2K)
+	WATCHDOG_TOMBSTONE(0x00104000, 4)
+	PRERAM_CBMEM_CONSOLE(0x00104004, 63K - 4)
+	TIMESTAMP(0x00113c00, 1K)
+	STACK(0x00114000, 16K)
+	TTB(0x00118000, 28K)
+	DMA_COHERENT(0x0011f000, 4K)
+	SRAM_END(0x00120000)
+
+	SRAM_L2C_START(0x00200000)
+	BOOTBLOCK(0x00201000, 64K)
+	OVERLAP_DECOMPRESSOR_VERSTAGE_ROMSTAGE(0x00211000, 188K)
+	DRAM_INIT_CODE(0x00240000, 208K)
+	PRERAM_CBFS_CACHE(0x00274000, 48K)
+	SRAM_L2C_END(0x00280000)
+
+	DRAM_START(0x40000000)
+	POSTRAM_CBFS_CACHE(0x40000000, 2M)
+	RAMSTAGE(0x40200000, 256K)
+
+	BL31(0x54600000, 0x60000)
+}