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Diffstat (limited to 'arch/arm/mach-renesas/include/mach/boot0.h')
-rw-r--r--arch/arm/mach-renesas/include/mach/boot0.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-renesas/include/mach/boot0.h b/arch/arm/mach-renesas/include/mach/boot0.h
index 2128eccd8a4..fc68ffc0945 100644
--- a/arch/arm/mach-renesas/include/mach/boot0.h
+++ b/arch/arm/mach-renesas/include/mach/boot0.h
@@ -6,6 +6,7 @@
#ifndef __BOOT0_H
#define __BOOT0_H
+#if IS_ENABLED(CONFIG_RCAR_GEN2)
_start:
ARM_VECTORS
@@ -19,5 +20,70 @@ _start:
.word 0x0badc0d3;
.word 0x0badc0d3;
#endif
+#endif
+
+#if IS_ENABLED(CONFIG_R8A779G0)
+
+#ifdef CONFIG_XPL_BUILD
+ /* r1=0xe6170800 */
+ .inst 0xe3a004e6 /* mov r0, #0xe6000000 */
+ .inst 0xe3801817 /* orr r1, r0, #0x170000 */
+ .inst 0xe3814b02 /* orr r4, r1, #0x800 */
+
+ /* r0=0xe6280000 */
+ .inst 0xe380070a /* orr r0, r0, #0x280000 */
+
+ /* APMU_RVBARPLC0 = (address of 'b reset' below) | CA_CORE0_VLD_RVBARP */
+ .inst 0xe28f3088 /* add r3, pc, #0x88 */
+ .inst 0xe3833001 /* orr r3, r3, #1 */
+ .inst 0xe5843038 /* str r3, [r4, #56] @ 0x38 */
+
+ /* APMU_RVBARPHC0 = 0 */
+ .inst 0xe3a05000 /* mov r5, #0 */
+ .inst 0xe584503c /* str r5, [r4, #60] @ 0x3c */
+
+ /* PRR & 0xff00 ?= 0x5c00, test if this is V4H or V4M */
+ .inst 0xe3a024ff /* mov r2, #0xff000000 */
+ .inst 0xe382260f /* orr r2, r2, #0xf00000 */
+ .inst 0xe5923044 /* ldr r3, [r2, #68] @ 0x44 */
+ .inst 0xe2033cff /* and r3, r3, #0xff00 */
+ .inst 0xe3530b17 /* cmp r3, #0x5c00 */
+ .inst 0x1a00000a /* bne 68 <reset-0x18> */
+ /* if (SoC is V4H) { */
+ /* AP_CORE_APSREG_AP_CLUSTER_N_AUX0 |= AP_CORE_APSREG_AP_CLUSTER_N_AUX0_INIT */
+ .inst 0xe5903010 /* ldr r3, [r0, #16] */
+ .inst 0xe3833003 /* orr r3, r3, #3 */
+ .inst 0xe5803010 /* str r3, [r0, #16] */
+ /* AP_CORE_APSREG_CCI500_AUX |= AP_CORE_APSREG_CCI500_AUX_ACTDIS */
+ .inst 0xe3800a09 /* orr r0, r0, #36864 @ 0x9000 */
+ .inst 0xe5903010 /* ldr r3, [r0, #16] */
+ .inst 0xe3833001 /* orr r3, r3, #1 */
+ .inst 0xe5803010 /* str r3, [r0, #16] */
+ /* AP_CORE_APSREG_P_CCI500_AUX |= AP_CORE_APSREG_P_CCI500_AUX_ASPRTM */
+ .inst 0xe3800802 /* orr r0, r0, #131072 @ 0x20000 */
+ .inst 0xe5903010 /* ldr r3, [r0, #16] */
+ .inst 0xe3833002 /* orr r3, r3, #2 */
+ .inst 0xe5803010 /* str r3, [r0, #16] */
+ /* } */
+ /* APMU_PWRCTRLC0 = CA_CORE0_WUP_REQ */
+ .inst 0xe3a03001 /* mov r3, #1 */
+ .inst 0xe5843000 /* str r3, [r4] */
+ /* Test for APMU_CRBARP valid BAR flags and jump to CR entry point */
+ .inst 0xe3814c03 /* orr r4, r1, #768 @ 0x300 */
+ .inst 0xe584503c /* str r5, [r4, #60] @ 0x3c */
+ .inst 0xe594203c /* ldr r2, [r4, #60] @ 0x3c */
+ .inst 0xe20230ff /* and r3, r2, #255 @ 0xff */
+ .inst 0xe3530011 /* cmp r3, #17 */
+ .inst 0x1afffffb /* bne 78 <reset-0x28> */
+ .inst 0xe1a02922 /* lsr r2, r2, #18 */
+ .inst 0xe1a02902 /* lsl r2, r2, #18 */
+ .inst 0xe1a0f002 /* mov pc, r2 */
+ .inst 0xeafffffe /* b 94 <reset-0xc> */
+ .inst 0xe1a00000 /* nop @ (mov r0, r0) */
+ .inst 0xe1a00000 /* nop @ (mov r0, r0) */
+ /* Offset 0xa0 */
+#endif
+ b reset
+#endif
#endif /* __BOOT0_H */