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mpfs_opensbi: Remove mpfs_opensbi_pmp_setup

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The PMP setup should be done in the board specific code, at a much
earlier stage. Granting all access is a security risk anyway.
This commit is contained in:
Ville Juven
2023-10-10 10:36:39 +03:00
committed by Alan Carvalho de Assis
parent e935bc53bb
commit 17a7a7bd76
1 changed files with 0 additions and 29 deletions
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arch/risc-v/src/mpfs/mpfs_opensbi.c
-29
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@@ -56,9 +56,6 @@
#define MPFS_ACLINT_MSWI_ADDR MPFS_CLINT_MSIP0
#define MPFS_ACLINT_MTIMER_ADDR MPFS_CLINT_MTIMECMP0
#define MPFS_PMP_DEFAULT_ADDR 0xfffffffff
#define MPFS_PMP_DEFAULT_PERM 0x000000009f
#define MPFS_SYSREG_SOFT_RESET_CR (MPFS_SYSREG_BASE + \
MPFS_SYSREG_SOFT_RESET_CR_OFFSET)
#define MPFS_SYSREG_SUBBLK_CLOCK_CR (MPFS_SYSREG_BASE + \
@@ -485,30 +482,6 @@ static void mpfs_opensbi_scratch_setup(uint32_t hartid)
(unsigned long)__mpfs_nuttx_start;
}
/****************************************************************************
* Name: mpfs_opensbi_pmp_setup
*
* Description:
* Initializes the PMP registers in a known default state. All harts need
* to set these registers.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
static void mpfs_opensbi_pmp_setup(void)
{
/* All access granted */
csr_write(pmpaddr0, MPFS_PMP_DEFAULT_ADDR);
csr_write(pmpcfg0, MPFS_PMP_DEFAULT_PERM);
csr_write(pmpcfg2, 0);
}
/****************************************************************************
* Name: mpfs_opensbi_vendor_ext_check
*
@@ -603,8 +576,6 @@ void __attribute__((noreturn)) mpfs_opensbi_setup(void)
{
uint32_t hartid = current_hartid();
mpfs_opensbi_pmp_setup();
sbi_console_set_device(&mpfs_console);
mpfs_opensbi_scratch_setup(hartid);