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| author | isiora <none@example.com> | 2018-02-27 00:18:18 +0000 |
|---|---|---|
| committer | isiora <none@example.com> | 2018-02-27 00:18:18 +0000 |
| commit | d7cd4283068b0974b2ed54f1c3aad07add5b44d5 (patch) | |
| tree | d702fe837353532077335026be64a76f0403a456 /os | |
| parent | e3d8fb30fba449e2b5c82793f83ffc07dd2184cd (diff) | |
| download | ChibiOS-d7cd4283068b0974b2ed54f1c3aad07add5b44d5.tar.gz ChibiOS-d7cd4283068b0974b2ed54f1c3aad07add5b44d5.tar.bz2 ChibiOS-d7cd4283068b0974b2ed54f1c3aad07add5b44d5.zip | |
Added option to enable L2.
git-svn-id: https://svn.code.sf.net/p/chibios/svn2/trunk@11575 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os')
| -rw-r--r-- | os/common/startup/ARM/devices/SAMA5D2/boot.S | 26 | ||||
| -rw-r--r-- | os/common/startup/ARM/devices/SAMA5D2/mmu.c | 13 |
2 files changed, 13 insertions, 26 deletions
diff --git a/os/common/startup/ARM/devices/SAMA5D2/boot.S b/os/common/startup/ARM/devices/SAMA5D2/boot.S index 87e00bdc9..0051c51a8 100644 --- a/os/common/startup/ARM/devices/SAMA5D2/boot.S +++ b/os/common/startup/ARM/devices/SAMA5D2/boot.S @@ -50,18 +50,6 @@ Boot_Handler: ldr r0, =_start
mcr p15, 0, r0, c12, c0, 0
-#if (CH_CFG_SEC_WORLD == TRUE)
- /*
- * Do not redirect secure interrupts to AIC
- */
- ldr r0, =AIC_REDIR_KEY
- ldr r1, =SFR_SN1
- ldr r1, [r1]
- eor r0, r0, r1
- bic r0, r0, #0x1
- ldr r1, =SFR_AICREDIR
- str r0, [r1]
-#endif
/*
* Reset SCTLR Settings
*/
@@ -73,20 +61,6 @@ Boot_Handler: bic r0, r0, #(0x1 << 13) // Clear V bit 13 to disable hivecs
mcr p15, 0, r0, c1, c0, 0 // Write value back to CP15 System Control register
isb
-#if (CH_CFG_SEC_WORLD == TRUE)
- /*
- * Turn off L2Cache
- */
- bic r0, r0, #0x1
- ldr r1, =L2CC_CR
- str r0, [r1]
- /*
- * Configure the L2 cache to be used as an internal SRAM
- */
- bic r0, r0, #0x1
- ldr r1, =SFR_L2CC_HRAMC
- str r0, [r1]
-#endif
b Reset_Handler
#endif /* !defined(__DOXYGEN__) */
diff --git a/os/common/startup/ARM/devices/SAMA5D2/mmu.c b/os/common/startup/ARM/devices/SAMA5D2/mmu.c index 0e1bfce8d..e99233094 100644 --- a/os/common/startup/ARM/devices/SAMA5D2/mmu.c +++ b/os/common/startup/ARM/devices/SAMA5D2/mmu.c @@ -362,6 +362,19 @@ void __core_init(void) { if ((pm & SCTLR_C_Msk) == 0) {
__set_SCTLR(pm | SCTLR_C_Msk);
}
+
+#if defined(ARM_ENABLE_L2CC)
+#if ARM_ENABLE_L2CC
+ /* High SRAM to L2CC.*/
+ SFR->SFR_L2CC_HRAMC = 0x1;
+
+ /* Invalidate and enable L2 cache.*/
+ L2C_InvAllByWay();
+ L2C_Enable();
+ __DSB();
+ __ISB();
+#endif
+#endif
}
/** @} */
|