static ssize_t version_show(struct device *pdev,
struct device_attribute *attr, char *buf)
{
char *s = buf;
s += sprintf(s, "%d\n", nxp_cpu_version());
if (s != buf)
*(s-1) = '\n';
return (s - buf);
}
/*
* Timer clock source
*/
static void timer_clock_select(struct timer_info *info, long frequency)
{
struct clk *clk = NULL;
char name[16] = CORECLK_NAME_PCLK;
ulong rate, tout = 0;
int tscl = 0, tmux = 5;
int vers = nxp_cpu_version();
#if !defined(CONFIG_NXP_DFS_BCLK)
int smux = 0, pscl = 0;
ulong mout;
ulong thz, delt = (-1UL);
/* PCLK */
info->clk = clk_get(NULL, name);
rate = clk_get_rate(info->clk);
for (smux = 0; 5 > smux; smux++) {
mout = rate/(1<<smux), pscl = mout/frequency;
thz = mout/(pscl?pscl:1);
if (!(mout % frequency) && 256 > pscl) {
tout = thz, tmux = smux, tscl = pscl;
break;
}
if (pscl > 256)
continue;
if (abs(frequency-thz) >= delt)
continue;
tout = thz, tmux = smux, tscl = pscl;
delt = abs(frequency-thz);
}
#endif
/* CLKGEN */
if (vers && tout != frequency) {
sprintf(name, "%s.%d", DEV_NAME_TIMER, info->channel);
clk = clk_get(NULL, name);
rate = clk_round_rate(clk, frequency);
if (abs(frequency-tout) >= abs(frequency-rate)) {
tout = clk_set_rate(clk, rate);
tmux = 5, tscl = 1;
info->clk = clk, info->in_tclk = 1;
clk_enable(info->clk);
} else {
clk_put(clk);
rate = clk_get_rate(info->clk); /* PCLK */
}
}
info->tmmux = tmux;
info->prescale = tscl;
info->tcount = tout/HZ;
info->rate = tout;
pr_debug("%s (ch:%d, mux=%d, scl=%d, rate=%ld, %s)\n",
__func__, info->channel, tmux, tscl, tout, info->in_tclk?"TCLK":"PCLK");
}
void global_data_setup(gd_t *gd, ulong text, ulong sp)
{
struct stack *stk = &stacks;
ulong text_start, text_end, heap_end;
ulong pc, bd;
/* reconfig stack info */
gd->relocaddr = text;
gd->start_addr_sp = sp;
gd->reloc_off = 0;
gd->irq_sp = (unsigned long)stk->abt; /* Abort stack */
_IRQ_STACK_START_IN_ = gd->irq_sp + 8;
#ifdef CONFIG_USE_IRQ
_IRQ_STACK_START_ = gd->irq_sp - 4;
_FIQ_STACK_START_ = _IRQ_STACK_START_ - CONFIG_STACKSIZE_IRQ;
#endif
/* copy bd info */
bd = (unsigned int)gd - sizeof(bd_t);
memcpy((void *)bd, (void *)gd->bd, sizeof(bd_t));
/* reset gd->bd */
gd->bd = (bd_t *)bd;
/* prevent dataabort, when access enva_addr + data (0x04) */
#if (0)
gd->env_addr = CONFIG_SYS_SDRAM_BASE;
*(unsigned int*)CONFIG_SYS_SDRAM_BASE = CONFIG_SYS_SDRAM_BASE;
#else
gd->env_addr = (ulong)default_environment;
#endif
/* get cpu info */
text_start = (unsigned int)(gd->relocaddr);
text_end = (unsigned int)(gd->relocaddr + _bss_end_ofs);
heap_end = CONFIG_SYS_MALLOC_END;
#if defined(CONFIG_SYS_GENERIC_BOARD)
/* refer initr_malloc (common/board_r.c) */
gd->relocaddr = heap_end;
#endif
asm("mov %0, pc":"=r" (pc));
asm("mov %0, sp":"=r" (sp));
printf("Heap = 0x%08lx~0x%08lx\n", heap_end-TOTAL_MALLOC_LEN, heap_end);
printf("Code = 0x%08lx~0x%08lx\n", text_start, text_end);
printf("GLD = 0x%08lx\n", (ulong)gd);
printf("GLBD = 0x%08lx\n", (ulong)gd->bd);
printf("SP = 0x%08lx,0x%08lx(CURR)\n", gd->start_addr_sp, sp);
printf("PC = 0x%08lx\n", pc);
printf("TAGS = 0x%08lx \n", gd->bd->bi_boot_params);
#ifdef CONFIG_MMU_ENABLE
ulong page_tlb = (text_end & 0xffff0000) + 0x10000;
printf("PAGE = 0x%08lx~0x%08lx\n", page_tlb, page_tlb + 0xc000 );
#endif
printf("MACH = [%ld] \n", gd->bd->bi_arch_number);
printf("VER = %u \n", nxp_cpu_version());
printf("BOARD= [%s] \n", CONFIG_SYS_BOARD);
}
