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Options that needs to be set in the board configuration file are
superfluous, because there is are no lpc178x-specific headers visible to
drivers/serial/serial.c where we could place extra (board-independent)
options.

Power for the UART will be enabled in the new function
`cortex_m3_soc_init()`.

Also, enabled CONFIG_MISC_INIT_R to set the non-default flash timings.

Peripheral clock is used for many devices (UARTs, timers, etc.)

for non-STM32 targets.

`struct lpc178x_scc_regs` is only used by power- and clock-related code,
all this code will be only in clock.c.

CPU clock is set up to 108 MHz for now, because the existing port
used that frequency and it works for sure. 120 MHz can be easily
reached by setting CONFIG_LPC178X_PLL0_M to 10 (instead of 9).

SYSTICK timer is already initialized by the common code in
`cpu/arm_cortexm3/timer.c`

* Guard misc_init_r() function with `#ifdef CONFIG_MISC_INIT_R`.
* Enable misc_init_r() for this board.

Stubs for ea-lpc1788 port.

 - Changed gpio_set() to return 0 on success, -EINVAL otherwise
 - Made printf() conditional on the serial console initialization
   (printf() may hang otherwise).

(BWR - > BWTR).

in wait for !busy. Removed .ramcode from clock_get() for A2F.

reset_cpu().

So that the linux stm32_eth driver could be able to get it.
Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>

are erased.