imx8mp_iot_gate: fix physical memory layout

There is a hole within the DRAM memory banks used by this board in between 0x56000000-0x58000000.
nfeske · Dec 16, 2024 · 5c71086 · 5c71086
1 parent 2e46f4f
commit 5c71086
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/src/bootstrap/board/imx8mp_iot_gate/platform.cc b/src/bootstrap/board/imx8mp_iot_gate/platform.cc
@@ -21,8 +21,8 @@
  */
 Bootstrap::Platform::Board::Board()
 :
-	early_ram_regions(Memory_region { ::Board::RAM_BASE, ::Board::RAM_SIZE }),
-	late_ram_regions(Memory_region { }),
+	early_ram_regions(Memory_region { ::Board::RAM_0_BASE, ::Board::RAM_0_SIZE }),
+	late_ram_regions(Memory_region { ::Board::RAM_1_BASE, ::Board::RAM_1_SIZE }),
 	core_mmio(Memory_region { ::Board::UART_BASE, ::Board::UART_SIZE },
 	          Memory_region { ::Board::Cpu_mmio::IRQ_CONTROLLER_DISTR_BASE,
 	                          ::Board::Cpu_mmio::IRQ_CONTROLLER_DISTR_SIZE },

diff --git a/src/include/hw/spec/arm_64/imx8mp_iot_gate_board.h b/src/include/hw/spec/arm_64/imx8mp_iot_gate_board.h
@@ -22,8 +22,10 @@ namespace Hw::Imx8mp_iot_gate_board {
 	using Serial = Hw::Imx_uart;
 
 	enum {
-		RAM_BASE   = 0x40000000,
-		RAM_SIZE   = 0xC0000000,       /* 2 GiB */
+		RAM_0_BASE = 0x40000000,
+		RAM_0_SIZE = 0x16000000,
+		RAM_1_BASE = 0x58000000,
+		RAM_1_SIZE = 0x68000000,
 
 		UART_BASE  = 0x30890000,       /* UART3 */
 		UART_SIZE  = 0x1000,