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Code Issues 2 Packages Projects Releases Wiki Activity

smartbook: remove ddr2 hack

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This commit is contained in:
Matt Sealey
2010-11-13 10:01:25 -06:00
parent 0653eb30c9
commit 5afbe5a143
1 changed files with 0 additions and 31 deletions
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31
arch/arm/mach-mx5/mx51_efikasb.c
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@@ -276,7 +276,6 @@ static void __init mxc_init_fb(void)
}
#endif
static int __initdata enable_ddr2max = { 0 };
static void mxc_power_on_lcd(int on)
{
@@ -860,33 +859,3 @@ MACHINE_START(MX51_EFIKASB, "Genesi Efika MX (Smartbook)")
.init_machine = mxc_board_init,
.timer = &mxc_timer,
MACHINE_END
static int __init ddr2max_setup(char *__unused)
{
enable_ddr2max = 1;
return 1;
}
__setup("ddr2max", ddr2max_setup);
/*
* Workaround to solve the black screen on warm reboot aging test
* This requires to set DDR2 rate to 160MHz before booting kernel
*/
static int __init ddr2_set_max_rate(void)
{
struct clk *tclk;
unsigned long rate;
/*Change the DDR freq to 200MHz*/
if (enable_ddr2max) {
tclk = clk_get(NULL, "ddr_hf_clk");
rate = clk_round_rate(tclk, 200000000);
if (clk_get_rate(tclk) != rate)
clk_set_rate(tclk, rate);
}
return 0;
}
late_initcall(ddr2_set_max_rate);