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i.MX28: Drop __naked function from spl_mem_init

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Instead of compiling the function and using the result as a constant, simply use
the constant.

NOTE: This patch works around bug:

  http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52546

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
This commit is contained in:
Marek Vasut 2012-03-16 11:32:43 +00:00 • committed by Stefano Babic
parent d9fb6a4c7e
commit 494931a674
1 changed files with 3 additions and 7 deletions
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10
arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
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@ -173,22 +173,18 @@ void mx28_mem_setup_vddd(void)
&power_regs->hw_power_vdddctrl);
}
void data_abort_memdetect_handler(void) __attribute__((naked));
void data_abort_memdetect_handler(void)
{
asm volatile("subs pc, r14, #4");
}
void mx28_mem_get_size(void)
{
struct mx28_digctl_regs *digctl_regs =
(struct mx28_digctl_regs *)MXS_DIGCTL_BASE;
uint32_t sz, da;
uint32_t *vt = (uint32_t *)0x20;
/* The following is "subs pc, r14, #4", used as return from DABT. */
const uint32_t data_abort_memdetect_handler = 0xe25ef004;
/* Replace the DABT handler. */
da = vt[4];
vt[4] = (uint32_t)&data_abort_memdetect_handler;
vt[4] = data_abort_memdetect_handler;
sz = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
writel(sz, &digctl_regs->hw_digctl_scratch0);