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rp: rename BOOTROM_BASE to BOOTRAM_BASE

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Previously the constant pointing at the base of the bootram was
incorrectly called BOOTROM_BASE. According to the datasheet, the bootrom
is a 32K region starting at 0x00000000 while the bootram is a 1K region
of SRAM starting at 0x400e0000.
This commit is contained in:
Adrian Wowk 2025-03-26 19:05:27 -05:00
parent 9edf5b7f04
commit 5777284304
1 changed files with 4 additions and 4 deletions
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8
embassy-rp/src/flash.rs
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@ -19,7 +19,7 @@ pub const FLASH_BASE: *const u32 = 0x10000000 as _;
/// Address for xip setup function set up by the 235x bootrom.
#[cfg(feature = "_rp235x")]
pub const BOOTROM_BASE: *const u32 = 0x400e0000 as _;
pub const BOOTRAM_BASE: *const u32 = 0x400e0000 as _;
/// If running from RAM, we might have no boot2. Use bootrom `flash_enter_cmd_xip` instead.
// TODO: when run-from-ram is set, completely skip the "pause cores and jumpp to RAM" dance.
@ -527,7 +527,7 @@ mod ram_helpers {
#[cfg(feature = "rp2040")]
rom_data::memcpy44(&mut boot2 as *mut _, FLASH_BASE, 256);
#[cfg(feature = "_rp235x")]
core::ptr::copy_nonoverlapping(BOOTROM_BASE as *const u8, boot2.as_mut_ptr() as *mut u8, 256);
core::ptr::copy_nonoverlapping(BOOTRAM_BASE as *const u8, boot2.as_mut_ptr() as *mut u8, 256);
flash_function_pointers_with_boot2(true, false, &boot2)
} else {
flash_function_pointers(true, false)
@ -560,7 +560,7 @@ mod ram_helpers {
#[cfg(feature = "rp2040")]
rom_data::memcpy44(&mut boot2 as *mut _, FLASH_BASE, 256);
#[cfg(feature = "_rp235x")]
core::ptr::copy_nonoverlapping(BOOTROM_BASE as *const u8, (boot2).as_mut_ptr() as *mut u8, 256);
core::ptr::copy_nonoverlapping(BOOTRAM_BASE as *const u8, (boot2).as_mut_ptr() as *mut u8, 256);
flash_function_pointers_with_boot2(true, true, &boot2)
} else {
flash_function_pointers(true, true)
@ -598,7 +598,7 @@ mod ram_helpers {
#[cfg(feature = "rp2040")]
rom_data::memcpy44(&mut boot2 as *mut _, FLASH_BASE, 256);
#[cfg(feature = "_rp235x")]
core::ptr::copy_nonoverlapping(BOOTROM_BASE as *const u8, boot2.as_mut_ptr() as *mut u8, 256);
core::ptr::copy_nonoverlapping(BOOTRAM_BASE as *const u8, boot2.as_mut_ptr() as *mut u8, 256);
flash_function_pointers_with_boot2(false, true, &boot2)
} else {
flash_function_pointers(false, true)