Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 213 insertions, 0 deletions

diff --git a/roms/u-boot/arch/arm/mach-rockchip/sdram.c b/roms/u-boot/arch/arm/mach-rockchip/sdram.c
new file mode 100644
index 000000000..28c379ef0
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-rockchip/sdram.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <init.h>
+#include <log.h>
+#include <ram.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/sdram.h>
+#include <dm/uclass-internal.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define TRUST_PARAMETER_OFFSET    (34 * 1024 * 1024)
+
+struct tos_parameter_t {
+	u32 version;
+	u32 checksum;
+	struct {
+		char name[8];
+		s64 phy_addr;
+		u32 size;
+		u32 flags;
+	} tee_mem;
+	struct {
+		char name[8];
+		s64 phy_addr;
+		u32 size;
+		u32 flags;
+	} drm_mem;
+	s64 reserve[8];
+};
+
+int dram_init_banksize(void)
+{
+	size_t top = min((unsigned long)(gd->ram_size + CONFIG_SYS_SDRAM_BASE),
+			 (unsigned long)(gd->ram_top));
+
+#ifdef CONFIG_ARM64
+	/* Reserve 0x200000 for ATF bl31 */
+	gd->bd->bi_dram[0].start = 0x200000;
+	gd->bd->bi_dram[0].size = top - gd->bd->bi_dram[0].start;
+#else
+#ifdef CONFIG_SPL_OPTEE
+	struct tos_parameter_t *tos_parameter;
+
+	tos_parameter = (struct tos_parameter_t *)(CONFIG_SYS_SDRAM_BASE +
+			TRUST_PARAMETER_OFFSET);
+
+	if (tos_parameter->tee_mem.flags == 1) {
+		gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+		gd->bd->bi_dram[0].size = tos_parameter->tee_mem.phy_addr
+					- CONFIG_SYS_SDRAM_BASE;
+		gd->bd->bi_dram[1].start = tos_parameter->tee_mem.phy_addr +
+					tos_parameter->tee_mem.size;
+		gd->bd->bi_dram[1].size = top - gd->bd->bi_dram[1].start;
+	} else {
+		gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+		gd->bd->bi_dram[0].size = 0x8400000;
+		/* Reserve 32M for OPTEE with TA */
+		gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE
+					+ gd->bd->bi_dram[0].size + 0x2000000;
+		gd->bd->bi_dram[1].size = top - gd->bd->bi_dram[1].start;
+	}
+#else
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = top - gd->bd->bi_dram[0].start;
+#endif
+#endif
+
+	return 0;
+}
+
+size_t rockchip_sdram_size(phys_addr_t reg)
+{
+	u32 rank, cs0_col, bk, cs0_row, cs1_row, bw, row_3_4;
+	size_t chipsize_mb = 0;
+	size_t size_mb = 0;
+	u32 ch;
+	u32 cs1_col = 0;
+	u32 bg = 0;
+	u32 dbw, dram_type;
+	u32 sys_reg2 = readl(reg);
+	u32 sys_reg3 = readl(reg + 4);
+	u32 ch_num = 1 + ((sys_reg2 >> SYS_REG_NUM_CH_SHIFT)
+		       & SYS_REG_NUM_CH_MASK);
+
+	dram_type = (sys_reg2 >> SYS_REG_DDRTYPE_SHIFT) & SYS_REG_DDRTYPE_MASK;
+	debug("%s %x %x\n", __func__, (u32)reg, sys_reg2);
+	for (ch = 0; ch < ch_num; ch++) {
+		rank = 1 + (sys_reg2 >> SYS_REG_RANK_SHIFT(ch) &
+			SYS_REG_RANK_MASK);
+		cs0_col = 9 + (sys_reg2 >> SYS_REG_COL_SHIFT(ch) &
+			  SYS_REG_COL_MASK);
+		cs1_col = cs0_col;
+		bk = 3 - ((sys_reg2 >> SYS_REG_BK_SHIFT(ch)) & SYS_REG_BK_MASK);
+		if ((sys_reg3 >> SYS_REG_VERSION_SHIFT &
+		     SYS_REG_VERSION_MASK) == 0x2) {
+			cs1_col = 9 + (sys_reg3 >> SYS_REG_CS1_COL_SHIFT(ch) &
+				  SYS_REG_CS1_COL_MASK);
+			if (((sys_reg3 >> SYS_REG_EXTEND_CS0_ROW_SHIFT(ch) &
+			    SYS_REG_EXTEND_CS0_ROW_MASK) << 2) + (sys_reg2 >>
+			    SYS_REG_CS0_ROW_SHIFT(ch) &
+			    SYS_REG_CS0_ROW_MASK) == 7)
+				cs0_row = 12;
+			else
+				cs0_row = 13 + (sys_reg2 >>
+					  SYS_REG_CS0_ROW_SHIFT(ch) &
+					  SYS_REG_CS0_ROW_MASK) +
+					  ((sys_reg3 >>
+					  SYS_REG_EXTEND_CS0_ROW_SHIFT(ch) &
+					  SYS_REG_EXTEND_CS0_ROW_MASK) << 2);
+			if (((sys_reg3 >> SYS_REG_EXTEND_CS1_ROW_SHIFT(ch) &
+			    SYS_REG_EXTEND_CS1_ROW_MASK) << 2) + (sys_reg2 >>
+			    SYS_REG_CS1_ROW_SHIFT(ch) &
+			    SYS_REG_CS1_ROW_MASK) == 7)
+				cs1_row = 12;
+			else
+				cs1_row = 13 + (sys_reg2 >>
+					  SYS_REG_CS1_ROW_SHIFT(ch) &
+					  SYS_REG_CS1_ROW_MASK) +
+					  ((sys_reg3 >>
+					  SYS_REG_EXTEND_CS1_ROW_SHIFT(ch) &
+					  SYS_REG_EXTEND_CS1_ROW_MASK) << 2);
+		} else {
+			cs0_row = 13 + (sys_reg2 >> SYS_REG_CS0_ROW_SHIFT(ch) &
+				SYS_REG_CS0_ROW_MASK);
+			cs1_row = 13 + (sys_reg2 >> SYS_REG_CS1_ROW_SHIFT(ch) &
+				SYS_REG_CS1_ROW_MASK);
+		}
+		bw = (2 >> ((sys_reg2 >> SYS_REG_BW_SHIFT(ch)) &
+			SYS_REG_BW_MASK));
+		row_3_4 = sys_reg2 >> SYS_REG_ROW_3_4_SHIFT(ch) &
+			SYS_REG_ROW_3_4_MASK;
+		if (dram_type == DDR4) {
+			dbw = (sys_reg2 >> SYS_REG_DBW_SHIFT(ch)) &
+				SYS_REG_DBW_MASK;
+			bg = (dbw == 2) ? 2 : 1;
+		}
+		chipsize_mb = (1 << (cs0_row + cs0_col + bk + bg + bw - 20));
+
+		if (rank > 1)
+			chipsize_mb += chipsize_mb >> ((cs0_row - cs1_row) +
+				       (cs0_col - cs1_col));
+		if (row_3_4)
+			chipsize_mb = chipsize_mb * 3 / 4;
+		size_mb += chipsize_mb;
+		if (rank > 1)
+			debug("rank %d cs0_col %d cs1_col %d bk %d cs0_row %d\
+			       cs1_row %d bw %d row_3_4 %d\n",
+			       rank, cs0_col, cs1_col, bk, cs0_row,
+			       cs1_row, bw, row_3_4);
+		else
+			debug("rank %d cs0_col %d bk %d cs0_row %d\
+			       bw %d row_3_4 %d\n",
+			       rank, cs0_col, bk, cs0_row,
+			       bw, row_3_4);
+	}
+
+	/*
+	 * This is workaround for issue we can't get correct size for 4GB ram
+	 * in 32bit system and available before we really need ram space
+	 * out of 4GB, eg.enable ARM LAPE(rk3288 supports 8GB ram).
+	 * The size of 4GB is '0x1 00000000', and this value will be truncated
+	 * to 0 in 32bit system, and system can not get correct ram size.
+	 * Rockchip SoCs reserve a blob of space for peripheral near 4GB,
+	 * and we are now setting SDRAM_MAX_SIZE as max available space for
+	 * ram in 4GB, so we can use this directly to workaround the issue.
+	 * TODO:
+	 *   1. update correct value for SDRAM_MAX_SIZE as what dram
+	 *   controller sees.
+	 *   2. update board_get_usable_ram_top() and dram_init_banksize()
+	 *   to reserve memory for peripheral space after previous update.
+	 */
+	if (size_mb > (SDRAM_MAX_SIZE >> 20))
+		size_mb = (SDRAM_MAX_SIZE >> 20);
+
+	return (size_t)size_mb << 20;
+}
+
+int dram_init(void)
+{
+	struct ram_info ram;
+	struct udevice *dev;
+	int ret;
+
+	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+	if (ret) {
+		debug("DRAM init failed: %d\n", ret);
+		return ret;
+	}
+	ret = ram_get_info(dev, &ram);
+	if (ret) {
+		debug("Cannot get DRAM size: %d\n", ret);
+		return ret;
+	}
+	gd->ram_size = ram.size;
+	debug("SDRAM base=%lx, size=%lx\n",
+	      (unsigned long)ram.base, (unsigned long)ram.size);
+
+	return 0;
+}
+
+ulong board_get_usable_ram_top(ulong total_size)
+{
+	unsigned long top = CONFIG_SYS_SDRAM_BASE + SDRAM_MAX_SIZE;
+
+	return (gd->ram_top > top) ? top : gd->ram_top;
+}