memory_map.h

/*
 * Copyright (c) 2019-2026 CTCaer
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _MEMORY_MAP_H_
#define _MEMORY_MAP_H_

/* --- BIT/BCT: 0x40000000 - 0x40003000 --- */
/* ---     IPL: 0x40008000 - 0x40028000 --- */
#define LDR_LOAD_ADDR     0x40007000

#define IPL_LOAD_ADDR     0x40008000
#define  IPL_SZ_MAX          SZ_128K

#define XUSB_RING_ADDR    0x40020000 // XUSB EP context and TRB ring buffers.

#define SECMON_MIN_START  0x4002B000 // Minimum reserved address for secmon.

#define SDRAM_PARAMS_ADDR 0x40030000 // SDRAM extraction buffer during sdram init.
#define  SDRAM_PARAMS_SZ       0x838

/* start.S / exception_handlers.S */
#define SYS_STACK_TOP_INIT 0x4003FF00
#define FIQ_STACK_TOP      0x40040000
#define IRQ_STACK_TOP      0x40040000
#define IPL_RELOC_ADDR     0x4003FF00
#define  IPL_RELOC_SZ            0x10
#define EXCP_STORAGE_ADDR  0x4003FF10
#define  EXCP_STORAGE_SZ         0x10

/* --- DRAM START --- */
#define DRAM_START     0x80000000
#define  HOS_RSVD          SZ_16M // Do not write anything in this area.

#define NYX_LOAD_ADDR  0x81000000
#define  NYX_SZ_MAX        SZ_16M
/* --- Gap: 0x82000000 - 0x82FFFFFF --- */

// Heap buffer.
#define IPL_HEAP_START 0x82000000
#define  IPL_HEAP_SZ     (SZ_256M)

#define SMMU_HEAP_ADDR 0x92000000
/* --- Gap: 1280MB 0x96000000 - 0xE4FFFFFF --- */

// Virtual disk / Chainloader buffers.
#define RAM_DISK_ADDR 0x95000000
#define  RAM_DISK_SZ  0x50000000 // 1280MB.

// L4T Kernel Panic Storage (PSTORE).
#define PSTORE_ADDR   0xB0000000
#define  PSTORE_SZ         SZ_2M

// NX BIS driver sector cache.
#define NX_BIS_CACHE_ADDR  0xC7000000
#define  NX_BIS_CACHE_SZ   0x10020000 // 256MB.
#define NX_BIS_LOOKUP_ADDR 0xD8000000
#define  NX_BIS_LOOKUP_SZ   0x8000000 // 128MB. 512GB eMMC partition max.

//#define DRAM_LIB_ADDR    0xE0000000
/* --- Chnldr: 252MB 0xC03C0000 - 0xCFFFFFFF --- */ //! Only used when chainloading.

// SDMMC DMA buffer. Used for unaligned DMA buffer address.
#define SDMMC_ALT_DMA_BUFFER 0xE5000000
#define  SDMMC_ALT_DMA_BUF_SZ   SZ_128M

// Nyx buffers. !Do not change!
#define NYX_STORAGE_ADDR 0xED000000
#define  NYX_STR_SZ          SZ_16M
#define NYX_RES_ADDR     0xEE000000
#define  NYX_RES_SZ          SZ_16M

// SDMMC Application DMA aligned buffers.
#define SDXC_BUF_ALIGNED   0xEF000000 // Also used by UMS.
#define EMMC_BUF_ALIGNED   0xF0000000
#define MIXD_BUF_ALIGNED   EMMC_BUF_ALIGNED
#define  SDMMC_DMA_BUF_SZ      SZ_16M // 4MB currently used.

// Nyx LvGL buffers.
#define NYX_LV_VDB_ADR   0xF1000000
#define  NYX_FB_SZ         0x384000 // 1280 x 720 x 4.
#define NYX_LV_MEM_ADR   0xF1400000
#define  NYX_LV_MEM_SZ    0x6600000 // 70MB.

// Framebuffer addresses. !Do not change!
#define IPL_FB_ADDRESS   0xF5A00000
#define  IPL_FB_SZ         0x384000 // 720 x 1280 x 4.
#define LOG_FB_ADDRESS   0xF5E00000
#define  LOG_FB_SZ         0x334000 // 1280 x 656 x 4.
#define NYX_FB_ADDRESS   0xF6200000
#define NYX_FB2_ADDRESS  0xF6600000
#define  NYX_FB_SZ         0x384000 // 1280 x 720 x 4.

// USB buffers.
#define USBD_ADDR                 0xFEF00000
#define USB_DESCRIPTOR_ADDR       0xFEF40000
#define USB_EP_CONTROL_BUF_ADDR   0xFEF80000
#define USB_EP_BULK_IN_BUF_ADDR   0xFF000000
#define USB_EP_BULK_OUT_BUF_ADDR  0xFF800000
#define  USB_EP_BULK_OUT_MAX_XFER      SZ_8M

// #define EXT_PAYLOAD_ADDR    0xC0000000
// #define RCM_PAYLOAD_ADDR    (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))

#endif