aboutsummaryrefslogtreecommitdiff
path: root/src/target
diff options
context:
space:
mode:
authorAntonio Borneo <borneo.antonio@gmail.com>2022-01-15 15:44:20 +0100
committerAntonio Borneo <borneo.antonio@gmail.com>2022-05-14 08:52:30 +0000
commitd4335071b8460b227889a3a2072df424eebb4e5e (patch)
tree2cfe586bdd364dda0e568f8da68e8b136e58e712 /src/target
parent209cb38aa155825175e2806d6093cecb5d77edc1 (diff)
downloadriscv-openocd-d4335071b8460b227889a3a2072df424eebb4e5e.zip
riscv-openocd-d4335071b8460b227889a3a2072df424eebb4e5e.tar.gz
riscv-openocd-d4335071b8460b227889a3a2072df424eebb4e5e.tar.bz2
arm_adi_v5: report sysmem on class 0x9 ROM tables
As Class 0x1 ROM table, also Class 0x9 ROM tables encodes a flag for system memory access. Detect the flag in rtp_cs_component() and dump the same message for both type of ROM tables. Extend rtp_read_cs_regs() to read ARM_CS_C9_DEVID. Change-Id: Ic85d1ea068ed706ceedfd65076ff4c96d04e9792 Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Reviewed-on: https://review.openocd.org/c/openocd/+/6817 Tested-by: jenkins Reviewed-by: Daniel Goehring <dgoehrin@os.amperecomputing.com>
Diffstat (limited to 'src/target')
-rw-r--r--src/target/arm_adi_v5.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c
index 4176dca..5c3941b 100644
--- a/src/target/arm_adi_v5.c
+++ b/src/target/arm_adi_v5.c
@@ -1099,6 +1099,7 @@ struct cs_component_vals {
uint64_t pid;
uint32_t cid;
uint32_t devarch;
+ uint32_t devid;
uint32_t devtype_memtype;
};
@@ -1124,13 +1125,16 @@ static int rtp_read_cs_regs(struct adiv5_ap *ap, target_addr_t component_base,
/* sort by offset to gain speed */
/*
- * Registers DEVARCH and DEVTYPE are valid on Class 0x9 devices
+ * Registers DEVARCH, DEVID and DEVTYPE are valid on Class 0x9 devices
* only, but are at offset above 0xf00, so can be read on any device
* without triggering error. Read them for eventual use on Class 0x9.
*/
if (retval == ERROR_OK)
retval = mem_ap_read_u32(ap, component_base + ARM_CS_C9_DEVARCH, &v->devarch);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_C9_DEVID, &v->devid);
+
/* Same address as ARM_CS_C1_MEMTYPE */
if (retval == ERROR_OK)
retval = mem_ap_read_u32(ap, component_base + ARM_CS_C9_DEVTYPE, &v->devtype_memtype);
@@ -1609,6 +1613,11 @@ static int rtp_cs_component(struct command_invocation *cmd,
if ((v.devarch & DEVARCH_ID_MASK) != DEVARCH_ROM_C_0X9)
return ERROR_OK;
+ if (v.devid & ARM_CS_C9_DEVID_SYSMEM_MASK)
+ command_print(cmd, "\t\tMEMTYPE system memory present on bus");
+ else
+ command_print(cmd, "\t\tMEMTYPE system memory not present: dedicated debug bus");
+
return rtp_rom_loop(cmd, ap, base_address, depth, 512);
}