COBJS-$(CONFIG_FSL_VIA) += cds_via.o
COBJS-$(CONFIG_FMAN_ENET) += fman.o
COBJS-$(CONFIG_FSL_PIXIS) += pixis.o
+ifndef CONFIG_SPL_BUILD
COBJS-$(CONFIG_FSL_NGPIXIS) += ngpixis.o
+endif
COBJS-$(CONFIG_FSL_QIXIS) += qixis.o
COBJS-$(CONFIG_PQ_MDS_PIB) += pq-mds-pib.o
+ifndef CONFIG_SPL_BUILD
COBJS-$(CONFIG_ID_EEPROM) += sys_eeprom.o
+endif
COBJS-$(CONFIG_FSL_SGMII_RISER) += sgmii_riser.o
ifndef CONFIG_RAMBOOT_PBL
COBJS-$(CONFIG_FSL_FIXED_MMC_LOCATION) += sdhc_boot.o
COBJS-$(CONFIG_MPC8536DS) += ics307_clk.o
COBJS-$(CONFIG_MPC8572DS) += ics307_clk.o
+ifndef CONFIG_SPL_BUILD
COBJS-$(CONFIG_P1022DS) += ics307_clk.o
+endif
COBJS-$(CONFIG_P2020DS) += ics307_clk.o
COBJS-$(CONFIG_P3041DS) += ics307_clk.o
COBJS-$(CONFIG_P4080DS) += ics307_clk.o
LIB = $(obj)lib$(BOARD).o
+MINIMAL=
+
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_SPL_INIT_MINIMAL
+MINIMAL=y
+endif
+endif
+
+ifdef MINIMAL
+
+COBJS-y += spl_minimal.o tlb.o law.o
+
+else
COBJS-y += $(BOARD).o
COBJS-y += ddr.o
COBJS-y += law.o
COBJS-y += tlb.o
COBJS-$(CONFIG_FSL_DIU_FB) += diu.o
+endif
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
struct law_entry law_table[] = {
SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
+ SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_32K, LAW_TRGT_IF_LBC),
};
int num_law_entries = ARRAY_SIZE(law_table);
--- /dev/null
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <asm/io.h>
+#include <nand.h>
+#include <asm/fsl_law.h>
+#include <asm/fsl_ddr_sdram.h>
+
+
+/*
+ * Fixed sdram init -- doesn't use serial presence detect.
+ */
+void sdram_init(void)
+{
+ volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC8xxx_DDR_ADDR;
+
+ __raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds);
+ __raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config);
+#if CONFIG_CHIP_SELECTS_PER_CTRL > 1
+ __raw_writel(CONFIG_SYS_DDR_CS1_BNDS, &ddr->cs1_bnds);
+ __raw_writel(CONFIG_SYS_DDR_CS1_CONFIG, &ddr->cs1_config);
+#endif
+ __raw_writel(CONFIG_SYS_DDR_TIMING_3, &ddr->timing_cfg_3);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_0, &ddr->timing_cfg_0);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_1, &ddr->timing_cfg_1);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_2, &ddr->timing_cfg_2);
+
+ __raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2);
+ __raw_writel(CONFIG_SYS_DDR_MODE_1, &ddr->sdram_mode);
+ __raw_writel(CONFIG_SYS_DDR_MODE_2, &ddr->sdram_mode_2);
+
+ __raw_writel(CONFIG_SYS_DDR_INTERVAL, &ddr->sdram_interval);
+ __raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init);
+ __raw_writel(CONFIG_SYS_DDR_CLK_CTRL, &ddr->sdram_clk_cntl);
+
+ __raw_writel(CONFIG_SYS_DDR_TIMING_4, &ddr->timing_cfg_4);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_5, &ddr->timing_cfg_5);
+ __raw_writel(CONFIG_SYS_DDR_ZQ_CONTROL, &ddr->ddr_zq_cntl);
+ __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL, &ddr->ddr_wrlvl_cntl);
+
+ /* Set, but do not enable the memory */
+ __raw_writel(CONFIG_SYS_DDR_CONTROL & ~SDRAM_CFG_MEM_EN,
+ &ddr->sdram_cfg);
+
+ in_be32(&ddr->sdram_cfg);
+ udelay(500);
+
+ /* Let the controller go */
+ out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN);
+ in_be32(&ddr->sdram_cfg);
+
+ set_next_law(0, CONFIG_SYS_SDRAM_SIZE_LAW, LAW_TRGT_IF_DDR_1);
+}
+
+const static u32 sysclk_tbl[] = {
+ 66666000, 7499900, 83332500, 8999900,
+ 99999000, 11111000, 12499800, 13333200
+};
+
+void board_init_f(ulong bootflag)
+{
+ int px_spd;
+ u32 plat_ratio, sys_clk, bus_clk;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ /* for FPGA */
+ set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
+ set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
+
+ /* initialize selected port with appropriate baud rate */
+ px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD));
+ sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK];
+ plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+ bus_clk = sys_clk * plat_ratio / 2;
+
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ bus_clk / 16 / CONFIG_BAUDRATE);
+
+ puts("\nNAND boot... ");
+
+ /* Initialize the DDR3 */
+ sdram_init();
+
+ /* copy code to RAM and jump to it - this should not return */
+ /* NOTE - code has to be copied out of NAND buffer before
+ * other blocks can be read.
+ */
+ relocate_code(CONFIG_SPL_RELOC_STACK, 0,
+ CONFIG_SPL_RELOC_TEXT_BASE);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ nand_boot();
+}
+
+void putc(char c)
+{
+ if (c == '\n')
+ NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
+
+ NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
+}
+
+void puts(const char *str)
+{
+ while (*str)
+ putc(*str++);
+}
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 1, BOOKE_PAGESZ_1M, 1),
+#ifndef CONFIG_SPL_BUILD
/* W**G* - Flash/promjet, localbus */
/* This will be changed to *I*G* after relocation to RAM. */
SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 6, BOOKE_PAGESZ_256K, 1),
+#endif
SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 7, BOOKE_PAGESZ_4K, 1),
-#ifdef CONFIG_SYS_RAMBOOT
- /* *I*G - eSDHC/eSPI/NAND boot */
+#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
+ /* **** - eSDHC/eSPI/NAND boot */
SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 8, BOOKE_PAGESZ_1G, 1),
-
- /* map the second 1G */
+ /* **** - eSDHC/eSPI/NAND boot - second 1GB of memory */
SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 9, BOOKE_PAGESZ_1G, 1),
#endif
-#
+
+#ifdef CONFIG_SYS_NAND_BASE
+ /* *I*G - NAND */
+ SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 10, BOOKE_PAGESZ_16K, 1),
+#endif
+
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);
P1021RDB-PC_SDCARD powerpc mpc85xx p1_p2_rdb_pc freescale - p1_p2_rdb_pc:P1021RDB,SDCARD
P1021RDB-PC_SPIFLASH powerpc mpc85xx p1_p2_rdb_pc freescale - p1_p2_rdb_pc:P1021RDB,SPIFLASH
P1022DS powerpc mpc85xx p1022ds freescale
+P1022DS_NAND powerpc mpc85xx p1022ds freescale - P1022DS:NAND
+P1022DS_36BIT_NAND powerpc mpc85xx p1022ds freescale - P1022DS:36BIT,NAND
P1022DS_SPIFLASH powerpc mpc85xx p1022ds freescale - P1022DS:SPIFLASH
P1022DS_36BIT_SPIFLASH powerpc mpc85xx p1022ds freescale - P1022DS:36BIT,SPIFLASH
P1022DS_SDCARD powerpc mpc85xx p1022ds freescale - P1022DS:SDCARD
#define CONFIG_RESET_VECTOR_ADDRESS 0x1107fffc
#endif
+#define CONFIG_NAND_FSL_ELBC
+
+#ifdef CONFIG_NAND
+#define CONFIG_SPL
+#define CONFIG_SPL_INIT_MINIMAL
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_NAND_MINIMAL
+#define CONFIG_SPL_FLUSH_IMAGE
+#define CONFIG_SPL_TARGET "u-boot-with-spl.bin"
+
+#define CONFIG_SYS_TEXT_BASE 0x00201000
+#define CONFIG_SPL_TEXT_BASE 0xfffff000
+#define CONFIG_SPL_MAX_SIZE (4 * 1024)
+#define CONFIG_SPL_RELOC_TEXT_BASE 0x00100000
+#define CONFIG_SPL_RELOC_STACK 0x00100000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE ((512 << 10) + CONFIG_SPL_MAX_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_DST (0x00200000 - CONFIG_SPL_MAX_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_START 0x00200000
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0
+#define CONFIG_SYS_LDSCRIPT "arch/powerpc/cpu/mpc85xx/u-boot-nand.lds"
+#endif
+
/* High Level Configuration Options */
#define CONFIG_BOOKE /* BOOKE */
#define CONFIG_E500 /* BOOKE e500 family */
#define CONFIG_SYS_CCSRBAR 0xffe00000
#define CONFIG_SYS_CCSRBAR_PHYS_LOW CONFIG_SYS_CCSRBAR
+/* IN case of NAND bootloader relocate CCSRBAR in RAMboot code not in the 4k
+ SPL code*/
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_CCSR_DO_NOT_RELOCATE
+#endif
+
+
/* DDR Setup */
#define CONFIG_DDR_SPD
#define CONFIG_VERY_BIG_RAM
#define CONFIG_SYS_SPD_BUS_NUM 1
#define SPD_EEPROM_ADDRESS 0x51 /* CTLR 0 DIMM 0 */
+/* These are used when DDR doesn't use SPD. */
+#define CONFIG_SYS_SDRAM_SIZE 2048
+#define CONFIG_SYS_SDRAM_SIZE_LAW LAW_SIZE_2G
+#define CONFIG_SYS_DDR_CS0_BNDS 0x0000003F
+#define CONFIG_SYS_DDR_CS0_CONFIG 0x80014202
+#define CONFIG_SYS_DDR_CS1_BNDS 0x0040007F
+#define CONFIG_SYS_DDR_CS1_CONFIG 0x80014202
+#define CONFIG_SYS_DDR_TIMING_3 0x00010000
+#define CONFIG_SYS_DDR_TIMING_0 0x40110104
+#define CONFIG_SYS_DDR_TIMING_1 0x5c5bd746
+#define CONFIG_SYS_DDR_TIMING_2 0x0fa8d4ca
+#define CONFIG_SYS_DDR_MODE_1 0x00441221
+#define CONFIG_SYS_DDR_MODE_2 0x00000000
+#define CONFIG_SYS_DDR_INTERVAL 0x0a280100
+#define CONFIG_SYS_DDR_DATA_INIT 0xdeadbeef
+#define CONFIG_SYS_DDR_CLK_CTRL 0x02800000
+#define CONFIG_SYS_DDR_CONTROL 0xc7000008
+#define CONFIG_SYS_DDR_CONTROL_2 0x24401041
+#define CONFIG_SYS_DDR_TIMING_4 0x00220001
+#define CONFIG_SYS_DDR_TIMING_5 0x02401400
+#define CONFIG_SYS_DDR_ZQ_CONTROL 0x89080600
+#define CONFIG_SYS_DDR_WRLVL_CONTROL 0x8675f608
+
+
/*
* Memory map
*
* Localbus non-cacheable
* 0xe000_0000 0xe80f_ffff Promjet/free 128M non-cacheable
* 0xe800_0000 0xefff_ffff FLASH 128M non-cacheable
+ * 0xff80_0000 0xff80_7fff NAND 32K non-cacheable
* 0xffdf_0000 0xffdf_7fff PIXIS 32K non-cacheable TLB0
* 0xffd0_0000 0xffd0_3fff L1 for stack 16K Cacheable TLB0
* 0xffe0_0000 0xffef_ffff CCSR 1M non-cacheable
/*
* Local Bus Definitions
*/
-#define CONFIG_SYS_FLASH_BASE 0xe0000000 /* start of FLASH 128M */
+#define CONFIG_SYS_FLASH_BASE 0xe8000000 /* start of FLASH 128M */
#ifdef CONFIG_PHYS_64BIT
-#define CONFIG_SYS_FLASH_BASE_PHYS 0xfe0000000ull
+#define CONFIG_SYS_FLASH_BASE_PHYS 0xfe8000000ull
#else
#define CONFIG_SYS_FLASH_BASE_PHYS CONFIG_SYS_FLASH_BASE
#endif
#define CONFIG_FLASH_BR_PRELIM \
- (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000) | BR_PS_16 | BR_V)
+ (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
#define CONFIG_FLASH_OR_PRELIM (OR_AM_128MB | 0xff7)
+#ifdef CONFIG_NAND
+#define CONFIG_SYS_BR1_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR1_PRELIM CONFIG_FLASH_OR_PRELIM /* NOR Options */
+#else
#define CONFIG_SYS_BR0_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */
#define CONFIG_SYS_OR0_PRELIM CONFIG_FLASH_OR_PRELIM /* NOR Options */
+#endif
-#define CONFIG_SYS_BR1_PRELIM \
- (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
-#define CONFIG_SYS_OR1_PRELIM CONFIG_FLASH_OR_PRELIM
-
-#define CONFIG_SYS_FLASH_BANKS_LIST \
- {CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000, CONFIG_SYS_FLASH_BASE_PHYS}
+#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE_PHYS}
#define CONFIG_SYS_FLASH_QUIET_TEST
#define CONFIG_FLASH_SHOW_PROGRESS 45 /* count down from 45/5: 9..1 */
-#define CONFIG_SYS_MAX_FLASH_BANKS 2
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
#define CONFIG_SYS_MAX_FLASH_SECT 1024
+#ifndef CONFIG_SYS_MONITOR_BASE
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SPL_TEXT_BASE
+#else
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */
+#endif
+#endif
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_SYS_FLASH_EMPTY_INFO
+/* Nand Flash */
+#if defined(CONFIG_NAND_FSL_ELBC)
+#define CONFIG_SYS_NAND_BASE 0xff800000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_NAND_BASE_PHYS 0xfff800000ull
+#else
+#define CONFIG_SYS_NAND_BASE_PHYS CONFIG_SYS_NAND_BASE
+#endif
+
+#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE, }
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_MTD_NAND_VERIFY_WRITE
+#define CONFIG_CMD_NAND 1
+#define CONFIG_SYS_NAND_BLOCK_SIZE (256 * 1024)
+#define CONFIG_ELBC_NAND_SPL_STATIC_PGSIZE
+
+/* NAND flash config */
+#define CONFIG_SYS_NAND_BR_PRELIM (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
+ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
+ | BR_PS_8 /* Port Size = 8 bit */ \
+ | BR_MS_FCM /* MSEL = FCM */ \
+ | BR_V) /* valid */
+#define CONFIG_SYS_NAND_OR_PRELIM (OR_AM_32KB /* length 256K */ \
+ | OR_FCM_PGS /* Large Page*/ \
+ | OR_FCM_CSCT \
+ | OR_FCM_CST \
+ | OR_FCM_CHT \
+ | OR_FCM_SCY_1 \
+ | OR_FCM_TRLX \
+ | OR_FCM_EHTR)
+#ifdef CONFIG_NAND
+#define CONFIG_SYS_BR0_PRELIM CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR0_PRELIM CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */
+#else
+#define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */
+#endif
+
+#endif /* CONFIG_NAND_FSL_ELBC */
+
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_EARLY_INIT_R
#define CONFIG_MISC_INIT_R
#define PIXIS_LBMAP_SWITCH 7
#define PIXIS_LBMAP_MASK 0xF0
#define PIXIS_LBMAP_ALTBANK 0x20
+#define PIXIS_SPD 0x07
+#define PIXIS_SPD_SYSCLK_MASK 0x07
#define PIXIS_ELBC_SPI_MASK 0xc0
#define PIXIS_SPI 0x80
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1
#define CONFIG_SYS_NS16550_CLK get_bus_freq(0)
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_NS16550_MIN_FUNCTIONS
+#endif
#define CONFIG_SYS_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
/*
* Environment
*/
-#ifdef CONFIG_SYS_RAMBOOT
#ifdef CONFIG_RAMBOOT_SPIFLASH
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_SPI_BUS 0
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_SIZE 0x2000
#define CONFIG_SYS_MMC_ENV_DEV 0
-#elif defined(CONFIG_NAND_U_BOOT)
+#elif defined(CONFIG_NAND)
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE
#define CONFIG_ENV_OFFSET ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
#define CONFIG_ENV_RANGE (3 * CONFIG_ENV_SIZE)
-#else
+#elif defined(CONFIG_SYS_RAMBOOT)
#define CONFIG_ENV_IS_NOWHERE /* Store ENV in memory only */
#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - 0x1000)
#define CONFIG_ENV_SIZE 0x2000
-#endif
#else
#define CONFIG_ENV_IS_IN_FLASH
#if CONFIG_SYS_MONITOR_BASE > 0xfff80000