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platform: kendryte/k210: fixup FDT

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When passing the device tree to the next stage we should apply necessary
device tree fix-ups first. These include:

* fix up the CPU node in the device tree
* fix up the PLIC node in the device tree
* fix up the reserved memory node in the device tree

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Heinrich Schuchardt
2020-08-18 17:48:37 +02:00
committed by Anup Patel
parent 9d56961b23
commit d7f87d99a3
1 changed files with 18 additions and 0 deletions
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18
platform/kendryte/k210/platform.c
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@@ -12,6 +12,7 @@
#include <sbi/sbi_console.h>
#include <sbi/sbi_const.h>
#include <sbi/sbi_platform.h>
#include <sbi_utils/fdt/fdt_fixup.h>
#include <sbi_utils/irqchip/plic.h>
#include <sbi_utils/serial/sifive-uart.h>
#include <sbi_utils/sys/clint.h>
@@ -67,6 +68,21 @@ static u32 k210_get_clk_freq(void)
return pll0_freq / div;
}
static int k210_final_init(bool cold_boot)
{
void *fdt;
if (!cold_boot)
return 0;
fdt = sbi_scratch_thishart_arg1_ptr();
fdt_cpu_fixup(fdt);
fdt_fixups(fdt);
return 0;
}
static int k210_console_init(void)
{
return sifive_uart_init(K210_UART_BASE_ADDR, k210_get_clk_freq(),
@@ -122,6 +138,8 @@ static int k210_system_reset(u32 type)
}
const struct sbi_platform_operations platform_ops = {
.final_init = k210_final_init,
.console_init = k210_console_init,
.console_putc = sifive_uart_putc,
.console_getc = sifive_uart_getc,