Fix following warning in case multiple erratum macro was not defined.
warning: unused variable 'tmp'
warning: unused variable 'ddr_freq'
Signed-off-by: Shengzhou Liu <shengzhou....@nxp.com>
---
v2: fix compile issue on some platforms.
drivers/ddr/fsl/fsl_ddr_gen4.c | 57 ++++++++++++++++++------------------------
1 file changed, 25 insertions(+), 32 deletions(-)
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
index 042af09..30f60e0 100644
--- a/drivers/ddr/fsl/fsl_ddr_gen4.c
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -47,13 +47,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
{
unsigned int i, bus_width;
struct ccsr_ddr __iomem *ddr;
- u32 temp_sdram_cfg;
+ u32 temp32;
u32 total_gb_size_per_controller;
int timeout;
-#if defined(CONFIG_SYS_FSL_ERRATUM_A008511) || \
- defined(CONFIG_SYS_FSL_ERRATUM_A009801)
- u32 temp32;
-#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A008511
u32 mr6;
@@ -61,11 +57,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
u32 vref_seq2[3] = {0xc0, 0xf0, 0x70}; /* for range 2 */
u32 *vref_seq = vref_seq1;
#endif
-#if defined(CONFIG_SYS_FSL_ERRATUM_A009942) | \
- defined(CONFIG_SYS_FSL_ERRATUM_A010165)
- ulong ddr_freq;
- u32 tmp;
-#endif
#ifdef CONFIG_FSL_DDR_BIST
u32 mtcr, err_detect, err_sbe;
u32 cs0_bnds, cs1_bnds, cs2_bnds, cs3_bnds, cs0_config;
@@ -73,7 +64,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
#ifdef CONFIG_FSL_DDR_BIST
char buffer[CONFIG_SYS_CBSIZE];
#endif
-
+#if defined(CONFIG_SYS_FSL_ERRATUM_A009942)
+ u32 ddr_freq;
+#endif
switch (ctrl_num) {
case 0:
ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
@@ -279,22 +272,22 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t
*regs,
#ifdef CONFIG_SYS_FSL_ERRATUM_A009942
ddr_freq = get_ddr_freq(ctrl_num) / 1000000;
- tmp = ddr_in32(&ddr->debug[28]);
+ temp32 = ddr_in32(&ddr->debug[28]);
if (ddr_freq <= 1333)
- ddr_out32(&ddr->debug[28], tmp | 0x0080006a);
+ ddr_out32(&ddr->debug[28], temp32 | 0x0080006a);
else if (ddr_freq <= 1600)
- ddr_out32(&ddr->debug[28], tmp | 0x0070006f);
+ ddr_out32(&ddr->debug[28], temp32 | 0x0070006f);
else if (ddr_freq <= 1867)
- ddr_out32(&ddr->debug[28], tmp | 0x00700076);
+ ddr_out32(&ddr->debug[28], temp32 | 0x00700076);
else if (ddr_freq <= 2133)
- ddr_out32(&ddr->debug[28], tmp | 0x0060007b);
+ ddr_out32(&ddr->debug[28], temp32 | 0x0060007b);
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A010165
- ddr_freq = get_ddr_freq(ctrl_num) / 1000000;
- if ((ddr_freq > 1900) && (ddr_freq < 2300)) {
- tmp = ddr_in32(&ddr->debug[28]);
- ddr_out32(&ddr->debug[28], tmp | 0x000a0000);
+ temp32 = get_ddr_freq(ctrl_num) / 1000000;
+ if ((temp32 > 1900) && (temp32 < 2300)) {
+ temp32 = ddr_in32(&ddr->debug[28]);
+ ddr_out32(&ddr->debug[28], temp32 | 0x000a0000);
}
#endif
/*
@@ -312,9 +305,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
step2:
/* Set, but do not enable the memory */
- temp_sdram_cfg = regs->ddr_sdram_cfg;
- temp_sdram_cfg &= ~(SDRAM_CFG_MEM_EN);
- ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg);
+ temp32 = regs->ddr_sdram_cfg;
+ temp32 &= ~(SDRAM_CFG_MEM_EN);
+ ddr_out32(&ddr->sdram_cfg, temp32);
/*
* 500 painful micro-seconds must elapse between
@@ -329,18 +322,18 @@ step2:
#ifdef CONFIG_DEEP_SLEEP
if (is_warm_boot()) {
/* enter self-refresh */
- temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
- temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
- ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+ temp32 = ddr_in32(&ddr->sdram_cfg_2);
+ temp32 |= SDRAM_CFG2_FRC_SR;
+ ddr_out32(&ddr->sdram_cfg_2, temp32);
/* do board specific memory setup */
board_mem_sleep_setup();
- temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
+ temp32 = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
} else
#endif
- temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
+ temp32 = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
/* Let the controller go */
- ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
+ ddr_out32(&ddr->sdram_cfg, temp32 | SDRAM_CFG_MEM_EN);
mb();
isb();
@@ -483,9 +476,9 @@ step2:
#ifdef CONFIG_DEEP_SLEEP
if (is_warm_boot()) {
/* exit self-refresh */
- temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
- temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
- ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+ temp32 = ddr_in32(&ddr->sdram_cfg_2);
+ temp32 &= ~SDRAM_CFG2_FRC_SR;
+ ddr_out32(&ddr->sdram_cfg_2, temp32);
}
#endif
--
2.1.0.27.g96db324
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