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ddr: fix dmc_monitor register bit missmatch on G12A/G12B [1/1]

Browse Source 
PD#172256

Problem:
On G12A/G12B, bit for ddr0 protection 0 vilation is not same

Solution:
Fix bit missmatch problem

Verify:
U212

Change-Id: I5dca14c8bc96bdcb85dbe8bbd5a9a18157834bcf
Signed-off-by: tao zeng <tao.zeng@amlogic.com>
This commit is contained in:
tao zeng
2018-11-21 09:13:48 +08:00
committed by Dongjin Kim
parent 4880582c81
commit 4f42e959ad
2 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/amlogic/ddr_tool/dmc_g12.c
View File

@@ -83,10 +83,17 @@ static void check_violation(struct dmc_monitor *mon)
struct page *page;
unsigned long *p;
char id_str[4];
char off1 = 21, off2 = 10;
if (mon->chip == MESON_CPU_MAJOR_ID_G12B) {
/* bit fix for G12B */
off1 = 24;
off2 = 13;
}
for (i = 1; i < 4; i += 2) {
status = dmc_rw(DMC_VIO_ADDR0 + (i << 2), 0, DMC_READ);
if (!(status & DMC_VIO_PROT_RANGE0))
if (!(status & (1 << off1)))
continue;
addr = dmc_rw(DMC_VIO_ADDR0 + ((i - 1) << 2), 0,
DMC_READ);
@@ -100,7 +107,7 @@ static void check_violation(struct dmc_monitor *mon)
continue;
}
port = (status >> 13) & 0x1f;
port = (status >> off2) & 0x1f;
subport = (status >> 6) & 0xf;
pr_info(DMC_TAG", addr:%08lx, s:%08lx, ID:%s, sub:%s, c:%ld\n",
addr, status, to_ports(port),

2
drivers/amlogic/ddr_tool/dmc_monitor.c
View File

@@ -66,7 +66,7 @@ static int dev_name_to_id(const char *dev_name)
}
if (i >= dmc_mon->port_num)
return -1;
return i;
return dmc_mon->port[i].port_id;
}
char *to_ports(int id)