nxp lx2160a-aqds: new plat based on soc lx2160a

New NXP platform lx2160a-qds:
- Based SoC lx2160a
- Board specific tuning for DDR init.
- Board specific Flash details.
Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I500ddbe9e56c4af5f955da6ecbd4ddc5fbe89a12

plat/nxp/soc-lx2160a/lx2160aqds/ddr_init.c

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <common/debug.h>
+#include <ddr.h>
+#include <lib/utils.h>
+#include <load_img.h>
+
+#include "plat_common.h"
+#include <platform_def.h>
+
+#ifdef CONFIG_STATIC_DDR
+
+const struct ddr_cfg_regs static_3200 = {
+	.cs[0].bnds = U(0x03FF),
+	.cs[1].bnds = U(0x03FF),
+	.cs[0].config = U(0x80050422),
+	.cs[1].config = U(0x80000422),
+	.cs[2].bnds = U(0x00),
+	.cs[3].bnds = U(0x00),
+	.cs[2].config = U(0x00),
+	.cs[3].config = U(0x00),
+	.timing_cfg[0] = U(0xFFAA0018),
+	.timing_cfg[1] = U(0x646A8844),
+	.timing_cfg[2] = U(0x00058022),
+	.timing_cfg[3] = U(0x13622100),
+	.timing_cfg[4] = U(0x02),
+	.timing_cfg[5] = U(0x07401400),
+	.timing_cfg[7] = U(0x3BB00000),
+	.timing_cfg[8] = U(0x0944AC00),
+	.sdram_cfg[0] = U(0x65044008),
+	.sdram_cfg[1] = U(0x00401011),
+	.sdram_cfg[2] = U(0x00),
+	.sdram_mode[0] = U(0x06010C50),
+	.sdram_mode[1] = U(0x00280400),
+	.sdram_mode[2] = U(0x00),
+	.sdram_mode[3] = U(0x00),
+	.sdram_mode[4] = U(0x00),
+	.sdram_mode[5] = U(0x00),
+	.sdram_mode[6] = U(0x00),
+	.sdram_mode[7] = U(0x00),
+	.sdram_mode[8] = U(0x0500),
+	.sdram_mode[9] = U(0x10240000),
+	.sdram_mode[10] = U(0x00),
+	.sdram_mode[11] = U(0x00),
+	.sdram_mode[12] = U(0x00),
+	.sdram_mode[13] = U(0x00),
+	.sdram_mode[14] = U(0x00),
+	.sdram_mode[15] = U(0x00),
+	.md_cntl = U(0x00),
+	.interval = U(0x30C00000),
+	.data_init = U(0xDEADBEEF),
+	.init_addr = U(0x00),
+	.zq_cntl = U(0x8A090705),
+	.sdram_rcw[0] = U(0x00),
+	.sdram_rcw[1] = U(0x00),
+	.sdram_rcw[2] = U(0x00),
+	.sdram_rcw[3] = U(0x00),
+	.sdram_rcw[4] = U(0x00),
+	.sdram_rcw[5] = U(0x00),
+	.err_disable = U(0x00),
+	.err_int_en = U(0x00),
+};
+
+const struct ddr_cfg_regs static_2900 = {
+	.cs[0].bnds = U(0x03FF),
+	.cs[1].bnds = U(0x03FF),
+	.cs[0].config = U(0x80050422),
+	.cs[1].config = U(0x80000422),
+	.cs[2].bnds = U(0x00),
+	.cs[3].bnds = U(0x00),
+	.cs[2].config = U(0x00),
+	.cs[3].config = U(0x00),
+	.timing_cfg[0] = U(0xFF990018),
+	.timing_cfg[1] = U(0x4F4A4844),
+	.timing_cfg[2] = U(0x0005601F),
+	.timing_cfg[3] = U(0x125F2100),
+	.timing_cfg[4] = U(0x02),
+	.timing_cfg[5] = U(0x07401400),
+	.timing_cfg[7] = U(0x3AA00000),
+	.timing_cfg[8] = U(0x09449B00),
+	.sdram_cfg[0] = U(0x65044008),
+	.sdram_cfg[1] = U(0x00401011),
+	.sdram_cfg[2] = U(0x00),
+	.sdram_mode[0] = U(0x06010C50),
+	.sdram_mode[1] = U(0x00280400),
+	.sdram_mode[2] = U(0x00),
+	.sdram_mode[3] = U(0x00),
+	.sdram_mode[4] = U(0x00),
+	.sdram_mode[5] = U(0x00),
+	.sdram_mode[6] = U(0x00),
+	.sdram_mode[7] = U(0x00),
+	.sdram_mode[8] = U(0x0500),
+	.sdram_mode[9] = U(0x10240000),
+	.sdram_mode[10] = U(0x00),
+	.sdram_mode[11] = U(0x00),
+	.sdram_mode[12] = U(0x00),
+	.sdram_mode[13] = U(0x00),
+	.sdram_mode[14] = U(0x00),
+	.sdram_mode[15] = U(0x00),
+	.md_cntl = U(0x00),
+	.interval = U(0x2C2E0000),
+	.data_init = U(0xDEADBEEF),
+	.init_addr = U(0x00),
+	.zq_cntl = U(0x8A090705),
+	.sdram_rcw[0] = U(0x00),
+	.sdram_rcw[1] = U(0x00),
+	.sdram_rcw[2] = U(0x00),
+	.sdram_rcw[3] = U(0x00),
+	.sdram_rcw[4] = U(0x00),
+	.sdram_rcw[5] = U(0x00),
+	.err_disable = U(0x00),
+	.err_int_en = U(0x00),
+};
+
+const struct ddr_cfg_regs static_2600 = {
+	.cs[0].bnds = U(0x03FF),
+	.cs[1].bnds = U(0x03FF),
+	.cs[0].config = U(0x80050422),
+	.cs[1].config = U(0x80000422),
+	.cs[2].bnds = U(0x00),
+	.cs[3].bnds = U(0x00),
+	.cs[2].config = U(0x00),
+	.cs[3].config = U(0x00),
+	.timing_cfg[0] = U(0xFF880018),
+	.timing_cfg[1] = U(0x2A24F444),
+	.timing_cfg[2] = U(0x007141DC),
+	.timing_cfg[3] = U(0x125B2100),
+	.timing_cfg[4] = U(0x02),
+	.timing_cfg[5] = U(0x06401400),
+	.timing_cfg[7] = U(0x28800000),
+	.timing_cfg[8] = U(0x07338A00),
+	.sdram_cfg[0] = U(0x65044008),
+	.sdram_cfg[1] = U(0x00401011),
+	.sdram_cfg[2] = U(0x00),
+	.sdram_mode[0] = U(0x06010A70),
+	.sdram_mode[1] = U(0x00200400),
+	.sdram_mode[2] = U(0x00),
+	.sdram_mode[3] = U(0x00),
+	.sdram_mode[4] = U(0x00),
+	.sdram_mode[5] = U(0x00),
+	.sdram_mode[6] = U(0x00),
+	.sdram_mode[7] = U(0x00),
+	.sdram_mode[8] = U(0x0500),
+	.sdram_mode[9] = U(0x0C240000),
+	.sdram_mode[10] = U(0x00),
+	.sdram_mode[11] = U(0x00),
+	.sdram_mode[12] = U(0x00),
+	.sdram_mode[13] = U(0x00),
+	.sdram_mode[14] = U(0x00),
+	.sdram_mode[15] = U(0x00),
+	.md_cntl = U(0x00),
+	.interval = U(0x279C0000),
+	.data_init = U(0xDEADBEEF),
+	.init_addr = U(0x00),
+	.zq_cntl = U(0x8A090705),
+	.sdram_rcw[0] = U(0x00),
+	.sdram_rcw[1] = U(0x00),
+	.sdram_rcw[2] = U(0x00),
+	.sdram_rcw[3] = U(0x00),
+	.sdram_rcw[4] = U(0x00),
+	.sdram_rcw[5] = U(0x00),
+	.err_disable = U(0x00),
+	.err_int_en = U(0x00),
+};
+
+const struct dimm_params static_dimm = {
+	.rdimm = U(0),
+	.primary_sdram_width = U(64),
+	.ec_sdram_width = U(8),
+	.n_ranks = U(2),
+	.device_width = U(8),
+	.mirrored_dimm = U(1),
+};
+
+/* Sample code using two UDIMM MT18ASF1G72AZ-2G6B1, on each DDR controller */
+unsigned long long board_static_ddr(struct ddr_info *priv)
+{
+	(void)memcpy(&priv->ddr_reg, &static_2900, sizeof(static_2900));
+	(void)memcpy(&priv->dimm, &static_dimm, sizeof(static_dimm));
+	priv->conf.cs_on_dimm[0] = 0x3;
+	ddr_board_options(priv);
+	compute_ddr_phy(priv);
+
+	return ULL(0x400000000);
+}
+
+#elif defined(CONFIG_DDR_NODIMM)
+/*
+ * Sample code to bypass reading SPD. This is a sample, not recommended
+ * for boards with slots. DDR model number: UDIMM MT18ASF1G72AZ-2G6B1.
+ */
+
+const struct dimm_params ddr_raw_timing = {
+	.n_ranks = U(2),
+	.rank_density = U(4294967296u),
+	.capacity = U(8589934592u),
+	.primary_sdram_width = U(64),
+	.ec_sdram_width = U(8),
+	.device_width = U(8),
+	.die_density = U(0x4),
+	.rdimm = U(0),
+	.mirrored_dimm = U(1),
+	.n_row_addr = U(15),
+	.n_col_addr = U(10),
+	.bank_addr_bits = U(0),
+	.bank_group_bits = U(2),
+	.edc_config = U(2),
+	.burst_lengths_bitmask = U(0x0c),
+	.tckmin_x_ps = 750,
+	.tckmax_ps = 1600,
+	.caslat_x = U(0x00FFFC00),
+	.taa_ps = 13750,
+	.trcd_ps = 13750,
+	.trp_ps = 13750,
+	.tras_ps = 32000,
+	.trc_ps = 457500,
+	.twr_ps = 15000,
+	.trfc1_ps = 260000,
+	.trfc2_ps = 160000,
+	.trfc4_ps = 110000,
+	.tfaw_ps = 21000,
+	.trrds_ps = 3000,
+	.trrdl_ps = 4900,
+	.tccdl_ps = 5000,
+	.refresh_rate_ps = U(7800000),
+};
+
+int ddr_get_ddr_params(struct dimm_params *pdimm,
+			    struct ddr_conf *conf)
+{
+	static const char dimm_model[] = "Fixed DDR on board";
+
+	conf->dimm_in_use[0] = 1;	/* Modify accordingly */
+	memcpy(pdimm, &ddr_raw_timing, sizeof(struct dimm_params));
+	memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
+
+	/* valid DIMM mask, change accordingly, together with dimm_on_ctlr. */
+	return 0x5;
+}
+#endif	/* CONFIG_DDR_NODIMM */
+
+int ddr_board_options(struct ddr_info *priv)
+{
+	struct memctl_opt *popts = &priv->opt;
+	const struct ddr_conf *conf = &priv->conf;
+
+	popts->vref_dimm = U(0x24);		/* range 1, 83.4% */
+	popts->rtt_override = 0;
+	popts->rtt_park = U(240);
+	popts->otf_burst_chop_en = 0;
+	popts->burst_length = U(DDR_BL8);
+	popts->trwt_override = U(1);
+	popts->bstopre = U(0);			/* auto precharge */
+	popts->addr_hash = 1;
+
+	/* Set ODT impedance on PHY side */
+	switch (conf->cs_on_dimm[1]) {
+	case 0xc:	/* Two slots dual rank */
+	case 0x4:	/* Two slots single rank, not valid for interleaving */
+		popts->trwt = U(0xf);
+		popts->twrt = U(0x7);
+		popts->trrt = U(0x7);
+		popts->twwt = U(0x7);
+		popts->vref_phy = U(0x6B);	/* 83.6% */
+		popts->odt = U(60);
+		popts->phy_tx_impedance = U(28);
+		break;
+	case 0:		/* One slot used */
+	default:
+		popts->trwt = U(0x3);
+		popts->twrt = U(0x3);
+		popts->trrt = U(0x3);
+		popts->twwt = U(0x3);
+		popts->vref_phy = U(0x60);	/* 75% */
+		popts->odt = U(48);
+		popts->phy_tx_impedance = U(28);
+		break;
+	}
+
+	return 0;
+}
+
+#ifdef NXP_WARM_BOOT
+long long init_ddr(uint32_t wrm_bt_flg)
+#else
+long long init_ddr(void)
+#endif
+{
+	int spd_addr[] = {0x51U, 0x52U, 0x53U, 0x54U};
+	struct ddr_info info;
+	struct sysinfo sys;
+	long long dram_size;
+
+	zeromem(&sys, sizeof(sys));
+	if (get_clocks(&sys) == 1) {
+		ERROR("System clocks are not set.\n");
+		panic();
+	}
+	debug("platform clock %lu\n", sys.freq_platform);
+	debug("DDR PLL1 %lu\n", sys.freq_ddr_pll0);
+	debug("DDR PLL2 %lu\n", sys.freq_ddr_pll1);
+
+	zeromem(&info, sizeof(info));
+
+	/* Set two DDRC. Unused DDRC will be removed automatically. */
+	info.num_ctlrs = NUM_OF_DDRC;
+	info.spd_addr = spd_addr;
+	info.ddr[0] = (void *)NXP_DDR_ADDR;
+	info.ddr[1] = (void *)NXP_DDR2_ADDR;
+	info.phy[0] = (void *)NXP_DDR_PHY1_ADDR;
+	info.phy[1] = (void *)NXP_DDR_PHY2_ADDR;
+	info.clk = get_ddr_freq(&sys, 0);
+	info.img_loadr = load_img;
+	info.phy_gen2_fw_img_buf = PHY_GEN2_FW_IMAGE_BUFFER;
+	if (info.clk == 0) {
+		info.clk = get_ddr_freq(&sys, 1);
+	}
+	info.dimm_on_ctlr = DDRC_NUM_DIMM;
+
+	info.warm_boot_flag = DDR_WRM_BOOT_NT_SUPPORTED;
+#ifdef NXP_WARM_BOOT
+	info.warm_boot_flag = DDR_COLD_BOOT;
+	if (wrm_bt_flg != 0U) {
+		info.warm_boot_flag = DDR_WARM_BOOT;
+	} else {
+		info.warm_boot_flag = DDR_COLD_BOOT;
+	}
+#endif
+
+	dram_size = dram_init(&info
+#if defined(NXP_HAS_CCN504) || defined(NXP_HAS_CCN508)
+		    , NXP_CCN_HN_F_0_ADDR
+#endif
+		    );
+
+
+	if (dram_size < 0) {
+		ERROR("DDR init failed.\n");
+	}
+
+	return dram_size;
+}

plat/nxp/soc-lx2160a/lx2160aqds/plat_def.h

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_DEF_H
+#define PLAT_DEF_H
+
+#include <arch.h>
+#include <cortex_a72.h>
+/* Required without TBBR.
+ * To include the defines for DDR PHY
+ * Images.
+ */
+#include <tbbr_img_def.h>
+
+#include <policy.h>
+#include <soc.h>
+
+#if defined(IMAGE_BL31)
+#define LS_SYS_TIMCTL_BASE		0x2890000
+#define PLAT_LS_NSTIMER_FRAME_ID	0
+#define LS_CONFIG_CNTACR		1
+#endif
+
+#define NXP_SYSCLK_FREQ		100000000
+#define NXP_DDRCLK_FREQ		100000000
+
+/* UART related definition */
+#define NXP_CONSOLE_ADDR	NXP_UART_ADDR
+#define NXP_CONSOLE_BAUDRATE	115200
+
+/* Size of cacheable stacks */
+#if defined(IMAGE_BL2)
+#if defined(TRUSTED_BOARD_BOOT)
+#define PLATFORM_STACK_SIZE	0x2000
+#else
+#define PLATFORM_STACK_SIZE	0x1000
+#endif
+#elif defined(IMAGE_BL31)
+#define PLATFORM_STACK_SIZE	0x1000
+#endif
+
+/* SD block buffer */
+#define NXP_SD_BLOCK_BUF_SIZE	(0x8000)
+#define NXP_SD_BLOCK_BUF_ADDR	(NXP_OCRAM_ADDR + NXP_OCRAM_SIZE \
+				- NXP_SD_BLOCK_BUF_SIZE)
+
+#ifdef SD_BOOT
+#define BL2_LIMIT		(NXP_OCRAM_ADDR + NXP_OCRAM_SIZE \
+				- NXP_SD_BLOCK_BUF_SIZE)
+#else
+#define BL2_LIMIT		(NXP_OCRAM_ADDR + NXP_OCRAM_SIZE)
+#endif
+
+/* IO defines as needed by IO driver framework */
+#define MAX_IO_DEVICES		4
+#define MAX_IO_BLOCK_DEVICES	1
+#define MAX_IO_HANDLES		4
+
+#define PHY_GEN2_FW_IMAGE_BUFFER	(NXP_OCRAM_ADDR + CSF_HDR_SZ)
+
+/*
+ * FIP image defines - Offset at which FIP Image would be present
+ * Image would include Bl31 , Bl33 and Bl32 (optional)
+ */
+#ifdef POLICY_FUSE_PROVISION
+#define MAX_FIP_DEVICES		3
+#endif
+
+#ifndef MAX_FIP_DEVICES
+#define MAX_FIP_DEVICES		2
+#endif
+
+/*
+ * ID of the secure physical generic timer interrupt used by the BL32.
+ */
+#define BL32_IRQ_SEC_PHY_TIMER	29
+
+#define BL31_WDOG_SEC		89
+
+#define BL31_NS_WDOG_WS1	108
+
+/*
+ * Define properties of Group 1 Secure and Group 0 interrupts as per GICv3
+ * terminology. On a GICv2 system or mode, the lists will be merged and treated
+ * as Group 0 interrupts.
+ */
+#define PLAT_LS_G1S_IRQ_PROPS(grp) \
+	INTR_PROP_DESC(BL32_IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_EDGE)
+
+/* SGI 15 and Secure watchdog interrupts assigned to Group 0 */
+#define NXP_IRQ_SEC_SGI_7		15
+
+#define PLAT_LS_G0_IRQ_PROPS(grp)	\
+	INTR_PROP_DESC(BL31_WDOG_SEC, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_EDGE), \
+	INTR_PROP_DESC(BL31_NS_WDOG_WS1, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_EDGE), \
+	INTR_PROP_DESC(NXP_IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL)
+#endif

plat/nxp/soc-lx2160a/lx2160aqds/platform.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <plat_common.h>
+
+#pragma weak board_enable_povdd
+#pragma weak board_disable_povdd
+
+bool board_enable_povdd(void)
+{
+#ifdef CONFIG_POVDD_ENABLE
+	return true;
+#else
+	return false;
+#endif
+}
+
+bool board_disable_povdd(void)
+{
+#ifdef CONFIG_POVDD_ENABLE
+	return true;
+#else
+	return false;
+#endif
+}

plat/nxp/soc-lx2160a/lx2160aqds/platform.mk

+#
+# Copyright 2018-2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# board-specific build parameters
+
+BOOT_MODE	?= 	flexspi_nor
+BOARD		?=	lx2160aqds
+POVDD_ENABLE	:=	no
+NXP_COINED_BB	:=	no
+
+ # DDR Compilation Configs
+NUM_OF_DDRC	:=	1
+DDRC_NUM_DIMM	:=	1
+DDRC_NUM_CS	:=	2
+DDR_ECC_EN	:=	yes
+ #enable address decoding feature
+DDR_ADDR_DEC	:=	yes
+APPLY_MAX_CDD	:=	yes
+
+# DDR Errata
+ERRATA_DDR_A011396	:= 1
+ERRATA_DDR_A050450	:= 1
+
+ # On-Board Flash Details
+FLASH_TYPE	:=	MT35XU512A
+XSPI_FLASH_SZ	:=	0x10000000
+NXP_XSPI_NOR_UNIT_SIZE		:=	0x20000
+BL2_BIN_XSPI_NOR_END_ADDRESS	:=	0x100000
+# CONFIG_FSPI_ERASE_4K is required to erase 4K sector sizes. This
+# config is enabled for future use cases.
+FSPI_ERASE_4K	:= 0
+
+ # Platform specific features.
+WARM_BOOT	:=	yes
+
+ # Adding platform specific defines
+
+$(eval $(call add_define_val,BOARD,'"${BOARD}"'))
+
+ifeq (${POVDD_ENABLE},yes)
+$(eval $(call add_define,CONFIG_POVDD_ENABLE))
+endif
+
+ifneq (${FLASH_TYPE},)
+$(eval $(call add_define,CONFIG_${FLASH_TYPE}))
+endif
+
+ifneq (${XSPI_FLASH_SZ},)
+$(eval $(call add_define_val,NXP_FLEXSPI_FLASH_SIZE,${XSPI_FLASH_SZ}))
+endif
+
+ifneq (${FSPI_ERASE_4K},)
+$(eval $(call add_define_val,CONFIG_FSPI_ERASE_4K,${FSPI_ERASE_4K}))
+endif
+
+ifneq (${NUM_OF_DDRC},)
+$(eval $(call add_define_val,NUM_OF_DDRC,${NUM_OF_DDRC}))
+endif
+
+ifneq (${DDRC_NUM_DIMM},)
+$(eval $(call add_define_val,DDRC_NUM_DIMM,${DDRC_NUM_DIMM}))
+endif
+
+ifneq (${DDRC_NUM_CS},)
+$(eval $(call add_define_val,DDRC_NUM_CS,${DDRC_NUM_CS}))
+endif
+
+ifeq (${DDR_ADDR_DEC},yes)
+$(eval $(call add_define,CONFIG_DDR_ADDR_DEC))
+endif
+
+ifeq (${DDR_ECC_EN},yes)
+$(eval $(call add_define,CONFIG_DDR_ECC_EN))
+endif
+
+# Platform can control the base address for non-volatile storage.
+#$(eval $(call add_define_val,NV_STORAGE_BASE_ADDR,'${BL2_BIN_XSPI_NOR_END_ADDRESS} - 2 * ${NXP_XSPI_NOR_UNIT_SIZE}'))
+
+ifeq (${WARM_BOOT},yes)
+$(eval $(call add_define_val,PHY_TRAINING_REGS_ON_FLASH,'${BL2_BIN_XSPI_NOR_END_ADDRESS} - ${NXP_XSPI_NOR_UNIT_SIZE}'))
+endif
+
+ # Adding Platform files build files
+BL2_SOURCES	+=	${BOARD_PATH}/ddr_init.c\
+			${BOARD_PATH}/platform.c
+
+ # Adding SoC build info
+include plat/nxp/soc-lx2160a/soc.mk

plat/nxp/soc-lx2160a/lx2160aqds/platform_def.h

+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include "plat_def.h"
+#include "plat_default_def.h"
+
+#endif

plat/nxp/soc-lx2160a/lx2160aqds/policy.h

+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef	POLICY_H
+#define	POLICY_H
+
+/* Following defines affect the PLATFORM SECURITY POLICY */
+
+/* set this to 0x0 if the platform is not using/responding to ECC errors
+ * set this to 0x1 if ECC is being used (we have to do some init)
+ */
+#define	POLICY_USING_ECC	0x0
+
+/* Set this to 0x0 to leave the default SMMU page size in sACR
+ * Set this to 0x1 to change the SMMU page size to 64K
+ */
+#define	POLICY_SMMU_PAGESZ_64K	0x1
+
+/*
+ * POLICY_PERF_WRIOP = 0 : No Performance enhancement for WRIOP RN-I
+ * POLICY_PERF_WRIOP = 1 : No Performance enhancement for WRIOP RN-I = 7
+ * POLICY_PERF_WRIOP = 2 : No Performance enhancement for WRIOP RN-I = 23
+ */
+#define	POLICY_PERF_WRIOP	0
+
+/*
+ * set this to '1' if the debug clocks need to remain enabled during
+ * system entry to low-power (LPM20) - this should only be necessary
+ * for testing and NEVER set for normal production
+ */
+#define	POLICY_DEBUG_ENABLE	0
+
+
+#endif /* POLICY_H */