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authorBiju Das <biju.das.jz@bp.renesas.com>2020-12-16 08:57:59 +0000
committerBiju Das <biju.das.jz@bp.renesas.com>2021-01-13 13:03:48 +0000
commit011a4c2f049a422e91ac26d5c146f3a1c7d2d16d (patch)
tree3f0b0880ba828bbd6d9a32b337d836e171e4d283 /plat/renesas/common/include/plat_macros.S
parentf020963999b8ffed8f2760d9f358acebbb14ab2f (diff)
downloadtrusted-firmware-a-011a4c2f049a422e91ac26d5c146f3a1c7d2d16d.tar.gz
plat: renesas: Move headers and assembly files to common folder
Create a common directory and move the header and assembly files so that the common code can be used by both Renesas R-Car Gen3 and RZ/G2 platforms. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Change-Id: Ia9a563a1c3c9f8c6f0d3cb82622deb2e155d7f6c
Diffstat (limited to 'plat/renesas/common/include/plat_macros.S')
-rw-r--r--plat/renesas/common/include/plat_macros.S88
1 files changed, 88 insertions, 0 deletions
diff --git a/plat/renesas/common/include/plat_macros.S b/plat/renesas/common/include/plat_macros.S
new file mode 100644
index 0000000000..927cd39e8f
--- /dev/null
+++ b/plat/renesas/common/include/plat_macros.S
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <drivers/arm/cci.h>
+#include <drivers/arm/gic_common.h>
+#include <drivers/arm/gicv2.h>
+
+#include "rcar_def.h"
+
+.section .rodata.gic_reg_name, "aS"
+gicc_regs:
+ .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+gicd_pend_reg:
+ .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n Offset:\t\t\tvalue\n"
+newline:
+ .asciz "\n"
+spacer:
+ .asciz ":\t\t0x"
+
+ /* ---------------------------------------------
+ * The below macro prints out relevant GIC
+ * registers whenever an unhandled exception is
+ * taken in BL3-1.
+ * Clobbers: x0 - x10, x16, x17, sp
+ * ---------------------------------------------
+ */
+ .macro plat_print_gic_regs
+ mov_imm x17, RCAR_GICC_BASE
+ mov_imm x16, RCAR_GICD_BASE
+print_gicc_regs:
+ /* gicc base address is now in x17 */
+ adr x6, gicc_regs /* Load the gicc reg list to x6 */
+ /* Load the gicc regs to gp regs used by str_in_crash_buf_print */
+ ldr w8, [x17, #GICC_HPPIR]
+ ldr w9, [x17, #GICC_AHPPIR]
+ ldr w10, [x17, #GICC_CTLR]
+ /* Store to the crash buf and print to console */
+ bl str_in_crash_buf_print
+
+ /* Print the GICD_ISPENDR regs */
+ add x7, x16, #GICD_ISPENDR
+ adr x4, gicd_pend_reg
+ bl asm_print_str
+gicd_ispendr_loop:
+ sub x4, x7, x16
+ cmp x4, #0x280
+ b.eq exit_print_gic_regs
+ bl asm_print_hex
+ adr x4, spacer
+ bl asm_print_str
+ ldr x4, [x7], #8
+ bl asm_print_hex
+ adr x4, newline
+ bl asm_print_str
+ b gicd_ispendr_loop
+exit_print_gic_regs:
+ .endm
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+ .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+ /* ------------------------------------------------
+ * The below macro prints out relevant interconnect
+ * registers whenever an unhandled exception is
+ * taken in BL3-1.
+ * Clobbers: x0 - x9, sp
+ * ------------------------------------------------
+ */
+ .macro plat_print_interconnect_regs
+ adr x6, cci_iface_regs
+ /* Store in x7 the base address of the first interface */
+ mov_imm x7, (CCI500_BASE + SLAVE_IFACE3_OFFSET)
+ ldr w8, [x7, #SNOOP_CTRL_REG]
+ /* Store in x7 the base address of the second interface */
+ mov_imm x7, (CCI500_BASE + SLAVE_IFACE4_OFFSET)
+ ldr w9, [x7, #SNOOP_CTRL_REG]
+ /* Store to the crash buf and print to console */
+ bl str_in_crash_buf_print
+ .endm
+
+ .macro plat_crash_print_regs
+ plat_print_gic_regs
+ plat_print_interconnect_regs
+ .endm