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ite: drivers/flash: add flash driver for it8xxx2

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Add flash driver for it8xxx2. The driver can implement
flash read, write and erase that will be mapped to the
ram section for executing.

TEST="flash write 0x80000 0x10 0x20 0x30 0x40 ..."
     "flash read 0x80000 0x100"
     "flash erase 0x80000 0x1000"

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
This commit is contained in:
Tim Lin 2020-12-25 18:23:44 +08:00 • committed by Anas Nashif
commit ef3c8507a6
8 changed files with 673 additions and 4 deletions
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8
include/arch/riscv/common/linker.ld
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@ -140,6 +140,14 @@ SECTIONS
*(".text.*")
*(.gnu.linkonce.t.*)
#include <linker/kobject-text.ld>
#ifdef CONFIG_SOC_FLASH_RAMCODE_SECTION
. = ALIGN(0x1000);
_ram_code_start = .;
KEEP(*(.__ram_code))
__ram_code_size = . - _ram_code_start;
ASSERT((__ram_code_size <= 0x1000),
"__ram_code_size <= 4k bytes");
#endif
} GROUP_LINK_IN(ROMABLE_REGION)
_image_text_end = .;