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| author | Wolfgang Denk <wd@denx.de> | 2011-11-04 15:55:44 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-11-07 22:14:36 +0100 |
| commit | f053432a721f743a879f40e3e3a70f9673c46a87 (patch) | |
| tree | a4e1528812502126302a1e798dc6b6ba1202fef6 | |
| parent | 4d4aebaa018aab3a1425c8d2f4d06a430318ea62 (diff) | |
| download | u-boot-imx-f053432a721f743a879f40e3e3a70f9673c46a87.zip u-boot-imx-f053432a721f743a879f40e3e3a70f9673c46a87.tar.gz u-boot-imx-f053432a721f743a879f40e3e3a70f9673c46a87.tar.bz2 | |
board/mbx8xx/mbx8xx.c: Fix GCC 4.6 build warnings
Fix:
mbx8xx.c: In function 'mbx_init':
mbx8xx.c:127:15: warning: variable 'refclock' set but not used
[-Wunused-but-set-variable]
mbx8xx.c: In function 'board_get_cpufreq':
mbx8xx.c:231:2: warning: dereferencing type-punned pointer will break
strict-aliasing rules [-Wstrict-aliasing]
mbx8xx.c: In function 'get_reffreq':
mbx8xx.c:242:2: warning: dereferencing type-punned pointer will break
strict-aliasing rules [-Wstrict-aliasing]
Signed-off-by: Wolfgang Denk <wd@denx.de>
| -rw-r--r-- | board/mbx8xx/mbx8xx.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/board/mbx8xx/mbx8xx.c b/board/mbx8xx/mbx8xx.c index 255796b..0f014e1 100644 --- a/board/mbx8xx/mbx8xx.c +++ b/board/mbx8xx/mbx8xx.c @@ -117,14 +117,16 @@ static const uint sdram_table_50[] = { /* ------------------------------------------------------------------------- */ +#ifdef CONFIG_SYS_USE_OSCCLK static unsigned int get_reffreq(void); +#endif static unsigned int board_get_cpufreq(void); void mbx_init (void) { volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; volatile memctl8xx_t *memctl = &immr->im_memctl; - ulong speed, refclock, plprcr, sccr; + ulong speed, plprcr, sccr; ulong br0_32 = memctl->memc_br0 & 0x400; /* real-time clock status and control register */ @@ -152,7 +154,6 @@ void mbx_init (void) immr->im_clkrst.car_sccr = sccr; speed = board_get_cpufreq (); - refclock = get_reffreq (); #if ((CONFIG_SYS_PLPRCR & PLPRCR_MF_MSK) != 0) plprcr = CONFIG_SYS_PLPRCR; @@ -163,7 +164,7 @@ void mbx_init (void) #endif #ifdef CONFIG_SYS_USE_OSCCLK /* See doc/README.MBX ! */ - plprcr |= ((speed + refclock / 2) / refclock - 1) << 20; + plprcr |= ((speed + get_reffreq() / 2) / refclock - 1) << 20; #endif immr->im_clkrstk.cark_plprcrk = KAPWR_KEY; @@ -226,21 +227,27 @@ static unsigned int board_get_cpufreq (void) { #ifndef CONFIG_8xx_GCLK_FREQ vpd_packet_t *packet; + ulong *p; packet = vpd_find_packet (VPD_PID_ICS); - return *((ulong *) packet->data); + p = (ulong *)packet->data; + return *p; #else return((unsigned int)CONFIG_8xx_GCLK_FREQ ); #endif /* CONFIG_8xx_GCLK_FREQ */ } +#ifdef CONFIG_SYS_USE_OSCCLK static unsigned int get_reffreq (void) { vpd_packet_t *packet; + ulong *p; packet = vpd_find_packet (VPD_PID_RCS); - return *((ulong *) packet->data); + p = (ulong *)packet->data; + return *p; } +#endif static void board_get_enetaddr(uchar *addr) { |