From 924024c396761c267b948f38d78e9905f2036501 Mon Sep 17 00:00:00 2001
From: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Date: Tue, 27 Oct 2009 09:26:55 +0530
Subject: [PATCH] 85xx/p1_p2rdb: Fix crash while configuring 32 bit DDR i/f for
P1020RDB.
The data being modified was in NOR flash which caused the crash.
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
board/freescale/p1_p2_rdb/ddr.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/board/freescale/p1_p2_rdb/ddr.c b/board/freescale/p1_p2_rdb/ddr.c
index 37c4b0a3ba..5cb4a13e08 100644
--- a/board/freescale/p1_p2_rdb/ddr.c
+++ b/board/freescale/p1_p2_rdb/ddr.c
@@ -206,7 +206,7 @@ phys_size_t fixed_sdram (void)
{
sys_info_t sysinfo;
char buf[32];
- fsl_ddr_cfg_regs_t *ddr_cfg_regs = NULL;
+ fsl_ddr_cfg_regs_t ddr_cfg_regs;
size_t ddr_size;
struct cpu_type *cpu;
@@ -215,13 +215,13 @@ phys_size_t fixed_sdram (void)
strmhz(buf, sysinfo.freqDDRBus));
if(sysinfo.freqDDRBus <= DATARATE_400MHZ)
- ddr_cfg_regs = &ddr_cfg_regs_400;
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_400, sizeof(ddr_cfg_regs));
else if(sysinfo.freqDDRBus <= DATARATE_533MHZ)
- ddr_cfg_regs = &ddr_cfg_regs_533;
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_533, sizeof(ddr_cfg_regs));
else if(sysinfo.freqDDRBus <= DATARATE_667MHZ)
- ddr_cfg_regs = &ddr_cfg_regs_667;
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_667, sizeof(ddr_cfg_regs));
else if(sysinfo.freqDDRBus <= DATARATE_800MHZ)
- ddr_cfg_regs = &ddr_cfg_regs_800;
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_800, sizeof(ddr_cfg_regs));
else
panic("Unsupported DDR data rate %s MT/s data rate\n",
strmhz(buf, sysinfo.freqDDRBus));
@@ -230,14 +230,14 @@ phys_size_t fixed_sdram (void)
/* P1020 and it's derivatives support max 32bit DDR width */
if(cpu->soc_ver == SVR_P1020 || cpu->soc_ver == SVR_P1020_E ||
cpu->soc_ver == SVR_P1011 || cpu->soc_ver == SVR_P1011_E) {
- ddr_cfg_regs->ddr_sdram_cfg |= SDRAM_CFG_32_BE;
- ddr_cfg_regs->cs[0].bnds = 0x0000001F;
+ ddr_cfg_regs.ddr_sdram_cfg |= SDRAM_CFG_32_BE;
+ ddr_cfg_regs.cs[0].bnds = 0x0000001F;
ddr_size = (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 / 2);
}
else
ddr_size = CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
- fsl_ddr_set_memctl_regs(ddr_cfg_regs, 0);
+ fsl_ddr_set_memctl_regs(&ddr_cfg_regs, 0);
return ddr_size;
}
--
2.39.5