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rockchip: rk3188: use board_debug_uart_init() for UART io init
Sync with other rockchip SoCs, use board_debug_uart_init() to init default UART iomux. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
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parent
af765a49ba
commit
17e5f3a426
2 changed files with 18 additions and 11 deletions
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@ -35,6 +35,7 @@ config ROCKCHIP_RK3188
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select SPL_RAM
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select SPL_DRIVERS_MISC_SUPPORT
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select SPL_ROCKCHIP_EARLYRETURN_TO_BROM
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select DEBUG_UART_BOARD_INIT
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select BOARD_LATE_INIT
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select ROCKCHIP_BROM_HELPER
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help
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@ -93,24 +93,21 @@ static int setup_arm_clock(void)
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return ret;
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}
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#define GRF_BASE 0x20008000
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void board_init_f(ulong dummy)
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void board_debug_uart_init(void)
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{
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__maybe_unused struct rk3188_grf * const grf = (void *)GRF_BASE;
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struct udevice *pinctrl, *dev;
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int ret;
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/* Example code showing how to enable the debug UART on RK3188 */
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#ifdef EARLY_UART
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/* Enable early UART on the RK3188 */
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#define GRF_BASE 0x20008000
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struct rk3188_grf * const grf = (void *)GRF_BASE;
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enum {
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GPIO1B1_SHIFT = 2,
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GPIO1B1_MASK = 3,
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GPIO1B1_UART2_SOUT = 1,
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GPIO1B1_GPIO = 0,
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GPIO1B1_UART2_SOUT,
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GPIO1B0_SHIFT = 0,
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GPIO1B0_MASK = 3,
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GPIO1B0_UART2_SIN = 1,
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GPIO1B0_GPIO = 0,
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GPIO1B0_UART2_SIN,
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};
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/* Enable early UART on the RK3188 */
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@ -119,6 +116,15 @@ void board_init_f(ulong dummy)
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GPIO1B0_MASK << GPIO1B0_SHIFT,
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GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
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GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
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}
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void board_init_f(ulong dummy)
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{
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struct udevice *pinctrl, *dev;
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int ret;
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#define EARLY_UART
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#ifdef EARLY_UART
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/*
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* Debug UART can be used from here if required:
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*
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