x86: Coding Style Cleanup
Perform some basic code cleanups of the x86 files
diff --git a/arch/i386/cpu/sc520/sc520.c b/arch/i386/cpu/sc520/sc520.c
index 519bfd8..7acd471 100644
--- a/arch/i386/cpu/sc520/sc520.c
+++ b/arch/i386/cpu/sc520/sc520.c
@@ -41,7 +41,8 @@
void init_sc520(void)
{
- /* Set the UARTxCTL register at it's slower,
+ /*
+ * Set the UARTxCTL register at it's slower,
* baud clock giving us a 1.8432 MHz reference
*/
writeb(0x07, &sc520_mmcr->uart1ctl);
@@ -50,25 +51,30 @@
/* first set the timer pin mapping */
writeb(0x72, &sc520_mmcr->clksel); /* no clock frequency selected, use 1.1892MHz */
- /* enable PCI bus arbitrer */
- writeb(0x02, &sc520_mmcr->sysarbctl); /* enable concurrent mode */
+ /* enable PCI bus arbiter (concurrent mode) */
+ writeb(0x02, &sc520_mmcr->sysarbctl);
- writeb(0x1f, &sc520_mmcr->sysarbmenb); /* enable external grants */
- writeb(0x04, &sc520_mmcr->hbctl); /* enable posted-writes */
+ /* enable external grants */
+ writeb(0x1f, &sc520_mmcr->sysarbmenb);
+
+ /* enable posted-writes */
+ writeb(0x04, &sc520_mmcr->hbctl);
if (CONFIG_SYS_SC520_HIGH_SPEED) {
- writeb(0x02, &sc520_mmcr->cpuctl); /* set it to 133 MHz and write back */
+ /* set it to 133 MHz and write back */
+ writeb(0x02, &sc520_mmcr->cpuctl);
gd->cpu_clk = 133000000;
printf("## CPU Speed set to 133MHz\n");
} else {
- writeb(0x01, &sc520_mmcr->cpuctl); /* set it to 100 MHz and write back */
+ /* set it to 100 MHz and write back */
+ writeb(0x01, &sc520_mmcr->cpuctl);
printf("## CPU Speed set to 100MHz\n");
gd->cpu_clk = 100000000;
}
/* wait at least one millisecond */
- asm("movl $0x2000,%%ecx\n"
+ asm("movl $0x2000, %%ecx\n"
"0: pushl %%ecx\n"
"popl %%ecx\n"
"loop 0b\n": : : "ecx");
@@ -107,15 +113,15 @@
/* set SDRAM speed here */
- refresh_rate/=78;
- if (refresh_rate<=1) {
- val = 0; /* 7.8us */
- } else if (refresh_rate==2) {
- val = 1; /* 15.6us */
- } else if (refresh_rate==3 || refresh_rate==4) {
- val = 2; /* 31.2us */
+ refresh_rate /= 78;
+ if (refresh_rate <= 1) {
+ val = 0; /* 7.8us */
+ } else if (refresh_rate == 2) {
+ val = 1; /* 15.6us */
+ } else if (refresh_rate == 3 || refresh_rate == 4) {
+ val = 2; /* 31.2us */
} else {
- val = 3; /* 62.4us */
+ val = 3; /* 62.4us */
}
tmp = (readb(&sc520_mmcr->drcctl) & 0xcf) | (val<<4);
@@ -124,9 +130,9 @@
val = readb(&sc520_mmcr->drctmctl) & 0xf0;
if (cas_precharge_delay==3) {
- val |= 0x04; /* 3T */
+ val |= 0x04; /* 3T */
} else if (cas_precharge_delay==4) {
- val |= 0x08; /* 4T */
+ val |= 0x08; /* 4T */
} else if (cas_precharge_delay>4) {
val |= 0x0c;
}
@@ -139,8 +145,10 @@
writeb(val, &c520_mmcr->drctmctl);
#endif
- /* We read-back the configuration of the dram
- * controller that the assembly code wrote */
+ /*
+ * We read-back the configuration of the dram
+ * controller that the assembly code wrote
+ */
dram_ctrl = readl(&sc520_mmcr->drcbendadr);
bd->bi_dram[0].start = 0;
@@ -148,7 +156,6 @@
/* bank 0 enabled */
dram_present = bd->bi_dram[1].start = (dram_ctrl & 0x7f) << 22;
bd->bi_dram[0].size = bd->bi_dram[1].start;
-
} else {
bd->bi_dram[0].size = 0;
bd->bi_dram[1].start = bd->bi_dram[0].start;
@@ -179,11 +186,6 @@
} else {
bd->bi_dram[3].size = 0;
}
-
-
-#if 0
- printf("Configured %d bytes of dram\n", dram_present);
-#endif
gd->ram_size = dram_present;
return dram_present;