From deeecb7c7edc2ea7e7dda6742ed221cdd6fa3ba2 Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Tue, 15 Nov 2011 08:02:30 +0000
Subject: [PATCH] 44x_spd_ddr2.c: Fix GCC 4.6 build warnings
44x_spd_ddr2.c: In function 'initdram':
44x_spd_ddr2.c:450:17: warning: variable 'dimm_spd' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c: In function 'program_copt1':
44x_spd_ddr2.c:1003:16: warning: variable 'ddrtype' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c: In function 'DQS_calibration_process':
44x_spd_ddr2.c:2498:7: warning: variable 'window_found' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c:2497:16: warning: variable 'end_rffd' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c:2496:16: warning: variable 'end_rqfd' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c:2495:16: warning: variable 'begin_rffd' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c:2494:16: warning: variable 'begin_rqfd' set but not used [-Wunused-but-set-variable]
44x_spd_ddr2.c:2493:7: warning: variable 'min_end' set but not used [-Wunused-but-set-variable]
Signed-off-by: Stefan Roese <sr@denx.de>
---
arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c | 32 +-------------------------
1 file changed, 1 insertion(+), 31 deletions(-)
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
index 4a2f33744d..85217ea272 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
@@ -445,9 +445,6 @@ static unsigned char spd_read(uchar chip, uint addr)
phys_size_t initdram(int board_type)
{
unsigned char iic0_dimm_addr[] = SPD_EEPROM_ADDRESS;
- unsigned char spd0[MAX_SPD_BYTES];
- unsigned char spd1[MAX_SPD_BYTES];
- unsigned char *dimm_spd[MAXDIMMS];
unsigned long dimm_populated[MAXDIMMS] = {SDRAM_NONE, SDRAM_NONE};
unsigned long num_dimm_banks; /* on board dimm banks */
unsigned long val;
@@ -457,12 +454,6 @@ phys_size_t initdram(int board_type)
num_dimm_banks = sizeof(iic0_dimm_addr);
- /*------------------------------------------------------------------
- * Set up an array of SPD matrixes.
- *-----------------------------------------------------------------*/
- dimm_spd[0] = spd0;
- dimm_spd[1] = spd1;
-
/*------------------------------------------------------------------
* Reset the DDR-SDRAM controller.
*-----------------------------------------------------------------*/
@@ -1000,7 +991,6 @@ static void program_copt1(unsigned long *dimm_populated,
unsigned long attribute = 0;
unsigned long buf0, buf1; /* TODO: code to be changed for IOP1.6 to support 4 DIMMs */
unsigned long bankcount;
- unsigned long ddrtype;
unsigned long val;
#ifdef CONFIG_DDR_ECC
@@ -1045,8 +1035,6 @@ static void program_copt1(unsigned long *dimm_populated,
else /* bank count = 8 */
mcopt1 |= SDRAM_MCOPT1_8_BANKS;
- /* test DDR type */
- ddrtype = (unsigned long)spd_read(iic0_dimm_addr[dimm_num], 2);
/* test for buffered/unbuffered, registered, differential clocks */
registered = (unsigned long)spd_read(iic0_dimm_addr[dimm_num], 20);
attribute = (unsigned long)spd_read(iic0_dimm_addr[dimm_num], 21);
@@ -1500,7 +1488,6 @@ static void program_mode(unsigned long *dimm_populated,
else
sdram_ddr1 = FALSE;
- /* t_wr_ns = max(t_wr_ns, (unsigned long)dimm_spd[dimm_num][36] >> 2); */ /* not used in this loop. */
cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18);
debug("cas_bit[SPD byte 18]=%02lx\n", cas_bit);
@@ -2490,12 +2477,6 @@ static void DQS_calibration_process(void)
unsigned long val;
long rffd_average;
long max_start;
- long min_end;
- unsigned long begin_rqfd[MAXRANKS];
- unsigned long begin_rffd[MAXRANKS];
- unsigned long end_rqfd[MAXRANKS];
- unsigned long end_rffd[MAXRANKS];
- char window_found;
unsigned long dlycal;
unsigned long dly_val;
unsigned long max_pass_length;
@@ -2506,6 +2487,7 @@ static void DQS_calibration_process(void)
unsigned char fail_found;
unsigned char pass_found;
#if !defined(CONFIG_DDR_RQDC_FIXED)
+ int window_found;
u32 rqdc_reg;
u32 rqfd;
u32 rqfd_start;
@@ -2559,16 +2541,6 @@ calibration_loop:
#endif /* CONFIG_DDR_RQDC_FIXED */
max_start = 0;
- min_end = 0;
- begin_rqfd[0] = 0;
- begin_rffd[0] = 0;
- begin_rqfd[1] = 0;
- begin_rffd[1] = 0;
- end_rqfd[0] = 0;
- end_rffd[0] = 0;
- end_rqfd[1] = 0;
- end_rffd[1] = 0;
- window_found = FALSE;
max_pass_length = 0;
max_start = 0;
@@ -2576,7 +2548,6 @@ calibration_loop:
current_pass_length = 0;
current_fail_length = 0;
current_start = 0;
- window_found = FALSE;
fail_found = FALSE;
pass_found = FALSE;
@@ -2621,7 +2592,6 @@ calibration_loop:
if (fail_found == FALSE) {
fail_found = TRUE;
} else if (pass_found == TRUE) {
- window_found = TRUE;
break;
}
}
--
2.39.5