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rockchip: rk3288: add board_debug_uart_init()

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Use board_debug_uart_init() for UART iomux init instead of
do it in board_init_f, and move the function to soc file so
that we can find all the soc/board setting in soc file and
use a common board file for all rockchip SoCs later.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Kever Yang 2019-03-29 09:09:04 +08:00 committed by Philipp Tomsich
parent 070e48b30e
commit e83e885e53
3 changed files with 17 additions and 24 deletions
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12
arch/arm/mach-rockchip/rk3288-board-spl.c
View file

@ -109,16 +109,7 @@ void board_init_f(ulong dummy)
struct udevice *dev;
int ret;
/* Example code showing how to enable the debug UART on RK3288 */
#include <asm/arch-rockchip/grf_rk3288.h>
/* Enable early UART on the RK3288 */
#define GRF_BASE 0xff770000
struct rk3288_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
#ifdef CONFIG_DEBUG_UART
/*
* Debug UART can be used from here if required:
*
@ -129,6 +120,7 @@ void board_init_f(ulong dummy)
*/
debug_uart_init();
debug("\nspl:debug uart enabled in %s\n", __func__);
#endif
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);

16
arch/arm/mach-rockchip/rk3288-board-tpl.c
View file

@ -10,28 +10,16 @@
#include <spl.h>
#include <version.h>
#include <asm/io.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/grf_rk3288.h>
#include <asm/arch-rockchip/periph.h>
#include <asm/arch-rockchip/pmu_rk3288.h>
#include <asm/arch-rockchip/sys_proto.h>
#include <asm/arch-rockchip/timer.h>
#define GRF_BASE 0xff770000
void board_init_f(ulong dummy)
{
struct udevice *dev;
int ret;
/* Example code showing how to enable the debug UART on RK3288 */
/* Enable early UART on the RK3288 */
struct rk3288_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
#ifdef CONFIG_DEBUG_UART
/*
* Debug UART can be used from here if required:
*
@ -41,7 +29,7 @@ void board_init_f(ulong dummy)
* printascii("string");
*/
debug_uart_init();
#endif
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);

13
arch/arm/mach-rockchip/rk3288/rk3288.c
View file

@ -18,3 +18,16 @@ int arch_cpu_init(void)
return 0;
}
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
/* Enable early UART on the RK3288 */
struct rk3288_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
}
#endif