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https://github.com/brain-hackers/u-boot-brain
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rockchip: rk3399: move chromebook bob specific flow to its board file
Add a board_early_init_f() in board_init_f() and move the board specific init code into its own board file. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
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@ -6,8 +6,4 @@
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#ifndef _ASM_ARCH_SYS_PROTO_H
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#define _ASM_ARCH_SYS_PROTO_H
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/* provided to defeat compiler optimisation in board_init_f() */
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void gru_dummy_function(int i);
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#endif /* _ASM_ARCH_SYS_PROTO_H */
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@ -57,6 +57,11 @@ __weak void rockchip_stimer_init(void)
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{
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}
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__weak int board_early_init_f(void)
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{
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return 0;
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}
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__weak int arch_cpu_init(void)
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{
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return 0;
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@ -70,20 +75,6 @@ void board_init_f(ulong dummy)
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#ifdef CONFIG_DEBUG_UART
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debug_uart_init();
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# ifdef CONFIG_TARGET_CHROMEBOOK_BOB
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int sum, i;
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/*
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* Add a delay and ensure that the compiler does not optimise this out.
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* This is needed since the power rails tail a while to turn on, and
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* we get garbage serial output otherwise.
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*/
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sum = 0;
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for (i = 0; i < 150000; i++)
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sum += i;
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gru_dummy_function(sum);
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#endif /* CONFIG_TARGET_CHROMEBOOK_BOB */
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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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@ -95,6 +86,7 @@ void board_init_f(ulong dummy)
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debug("U-Boot SPL board init\n");
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#endif
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board_early_init_f();
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arch_cpu_init();
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ret = spl_early_init();
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@ -10,7 +10,28 @@ int board_init(void)
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return 0;
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}
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#ifdef CONFIG_SPL_BUILD
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/* provided to defeat compiler optimisation in board_init_f() */
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void gru_dummy_function(int i)
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{
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}
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int board_early_init_f(void)
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{
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# ifdef CONFIG_TARGET_CHROMEBOOK_BOB
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int sum, i;
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/*
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* Add a delay and ensure that the compiler does not optimise this out.
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* This is needed since the power rails tail a while to turn on, and
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* we get garbage serial output otherwise.
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*/
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sum = 0;
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for (i = 0; i < 150000; i++)
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sum += i;
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gru_dummy_function(sum);
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#endif /* CONFIG_TARGET_CHROMEBOOK_BOB */
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return 0;
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}
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#endif
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