diff options
| -rw-r--r-- | arch/nds32/cpu/n1213/start.S | 51 | ||||
| -rw-r--r-- | arch/riscv/cpu/start.S | 13 | ||||
| -rw-r--r-- | board/armltd/integrator/README | 4 | ||||
| -rw-r--r-- | include/common.h | 5 | ||||
| -rw-r--r-- | scripts/config_whitelist.txt | 1 |
5 files changed, 1 insertions, 73 deletions
diff --git a/arch/nds32/cpu/n1213/start.S b/arch/nds32/cpu/n1213/start.S index aa9457f..cf966e2 100644 --- a/arch/nds32/cpu/n1213/start.S +++ b/arch/nds32/cpu/n1213/start.S @@ -201,14 +201,6 @@ update_gp: #endif /* - * Do CPU critical regs init only at reboot, - * not when booting from ram - */ -#ifdef CONFIG_INIT_CRITICAL - jal cpu_init_crit ! Do CPU critical regs init -#endif - -/* * Set stackpointer in internal RAM to call board_init_f * $sp must be 8-byte alignment for ABI compliance. */ @@ -319,49 +311,6 @@ call_board_init_r: jr $lp /* jump to board_init_r() */ /* - * Initialize CPU critical registers - * - * 1. Setup control registers - * 1.1 Mask all IRQs - * 1.2 Flush cache and TLB - * 1.3 Disable MMU and cache - * 2. Setup memory timing - */ - -cpu_init_crit: - - move $r0, $lp /* push ra */ - - /* Disable Interrupts by clear GIE in $PSW reg */ - setgie.d - - /* Flush caches and TLB */ - /* Invalidate caches */ - jal invalidate_icac - jal invalidate_dcac - - /* Flush TLB */ - mfsr $p0, $MMU_CFG - andi $p0, $p0, 0x3 ! MMPS - li $p1, 0x2 ! TLB MMU - bne $p0, $p1, 1f - tlbop flushall ! Flush TLB - -1: - ! Disable MMU, Dcache - ! Whitiger is MMU disabled when reset - ! Disable the D$ - mfsr $p0, MR_CAC_CTL ! Get the $CACHE_CTL reg - li $p1, DIS_DCAC - and $p0, $p0, $p1 ! Set DC_EN bit - mtsr $p0, MR_CAC_CTL ! write back the $CACHE_CTL reg - isb - - move $lp, $r0 -2: - ret - -/* * Invalidate I$ */ invalidate_icac: diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S index 88b4aaa..9804a8a 100644 --- a/arch/riscv/cpu/start.S +++ b/arch/riscv/cpu/start.S @@ -51,14 +51,6 @@ handle_reset: csrwi mie, 0 /* - * Do CPU critical regs init only at reboot, - * not when booting from ram - */ -#ifdef CONFIG_INIT_CRITICAL - jal cpu_init_crit /* Do CPU critical regs init */ -#endif - -/* * Set stackpointer in internal/ex RAM to call board_init_f */ call_board_init_f: @@ -285,8 +277,3 @@ trap_entry: LREG x31, 31*REGBYTES(sp) addi sp, sp, 32*REGBYTES mret - -#ifdef CONFIG_INIT_CRITICAL -cpu_init_crit: - ret -#endif diff --git a/board/armltd/integrator/README b/board/armltd/integrator/README index 5a0e934..af9dcc1 100644 --- a/board/armltd/integrator/README +++ b/board/armltd/integrator/README @@ -36,9 +36,7 @@ In case c) it may be necessary for U-Boot to perform CM dependent initialization Configuring U-Boot : ------------------ The makefile contains targets for Integrator platforms of both types -fitted with all current variants of CM. If these targets are to be used with -boot process c) above then CONFIG_INIT_CRITICAL may need to be defined to ensure -that the CM is correctly configured. +fitted with all current variants of CM. There are also targets independent of CM. These may not be suitable for boot process c) above. They have been preserved for backward compatibility with diff --git a/include/common.h b/include/common.h index 3f69943..8b56137 100644 --- a/include/common.h +++ b/include/common.h @@ -549,11 +549,6 @@ int cpu_release(u32 nr, int argc, char * const argv[]); #endif #endif -#ifdef CONFIG_INIT_CRITICAL -#error CONFIG_INIT_CRITICAL is deprecated! -#error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. -#endif - #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) /* diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index abfb0ff..7dd9d60 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -961,7 +961,6 @@ CONFIG_IMX_OTP CONFIG_IMX_VIDEO_SKIP CONFIG_INETSPACE_V2 CONFIG_INITRD_TAG -CONFIG_INIT_CRITICAL CONFIG_INIT_IGNORE_ERROR CONFIG_INI_ALLOW_MULTILINE CONFIG_INI_CASE_INSENSITIVE |