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bcm2708: fix uart1 parameters

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System clock is 250MHz, but the device uses a non-standard
oversampling rate (8 instead of 16) hence the clock rate
has to be multiplied by 16/8 = 2.  Currently the clock
rate seems to be divided by 2.

Also correct the .type and .flags.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
This commit is contained in:
Jakub Kicinski
2015-03-02 16:34:37 +01:00
committed by popcornmix
parent 4c81262042
commit 75acfa28e5
1 changed files with 4 additions and 3 deletions
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7
arch/arm/mach-bcm2708/bcm2708.c
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@@ -312,11 +312,12 @@ static struct plat_serial8250_port bcm2708_uart1_platform_data[] = {
{ {
.mapbase = UART1_BASE + 0x40, .mapbase = UART1_BASE + 0x40,
.irq = IRQ_AUX, .irq = IRQ_AUX,
.uartclk = 125000000, .uartclk = 500000000,
.regshift = 2, .regshift = 2,
.iotype = UPIO_MEM, .iotype = UPIO_MEM,
.flags = UPF_FIXED_TYPE | UPF_IOREMAP | UPF_SKIP_TEST, .flags = UPF_SHARE_IRQ | UPF_FIXED_TYPE | UPF_FIXED_PORT |
.type = PORT_8250, UPF_IOREMAP | UPF_SKIP_TEST,
.type = PORT_16550,
}, },
{}, {},
}; };