VF2: dump DTIM, apply erratum

Signed-off-by: Daniel Maslowski <info@orangecms.org>

src/mainboard/starfive/visionfive2/bt0/src/main.rs

@@ -379,7 +379,10 @@ fn main() {
     }
 
     if true {
-        const DTIM_BASE: usize = 0x0110_1000;
+        // Erratum: The manual says that the range is 0x0110_1000:0x0110_1fff,
+        // but also that the size is 8k. From the mask ROM, it is clear that
+        // 0x0110_0000 is the correct start address.
+        const DTIM_BASE: usize = 0x0110_0000;
         const DTIM_SIZE: usize = 8 * 1024;
         dump_block(DTIM_BASE, DTIM_SIZE, 0x20);
     }

xtask/src/starfive/visionfive2.rs

@@ -17,7 +17,7 @@ use layoutflash::areas::{create_areas, Area};
 use super::visionfive2_hdr::spl_create_hdr;
 
 const HEADER_SIZE: usize = 0x400;
-const SRAM_SIZE: usize = 0x5_3000;
+const SRAM_SIZE: usize = 0x1_3000;
 
 const ARCH: &str = "riscv64";
 const TARGET: &str = "riscv64imac-unknown-none-elf";