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[U-Boot,1/4] riscv: bootm: Support to boot riscv-linux

Message ID 20180313080018.5927-1-uboot@andestech.com
State Accepted
Commit 0462358b623ea965dca9a811eea2454c95a64c8e
Delegated to: Andes
Headers show
Series [U-Boot,1/4] riscv: bootm: Support to boot riscv-linux | expand

Commit Message

Andes March 13, 2018, 8 a.m. UTC 
From: Rick Chen <rick@andestech.com>

riscv-linux should use BBL (Berkeley bootloader) for
loading the Linux kernel.

U-Boot can play as FSBL(first stage bootloader)
to boot BBL and riscv-linux.

In BBL's init_first_hart(), it will pass dtb with a1.
So implement bootm to pass arguments to BBL correctly.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
---
 arch/riscv/lib/bootm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c
index 3744073..545d629 100644
--- a/arch/riscv/lib/bootm.c
+++ b/arch/riscv/lib/bootm.c
@@ -46,7 +46,7 @@  int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 	bd_t	*bd = gd->bd;
 	char	*s;
 	int	machid = bd->bi_arch_number;
-	void	(*theKernel)(int zero, int arch, uint params);
+	void	(*theKernel)(int arch, uint params);
 
 #ifdef CONFIG_CMDLINE_TAG
 	char *commandline = env_get("bootargs");
@@ -61,7 +61,7 @@  int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
 		return 1;
 
-	theKernel = (void (*)(int, int, uint))images->ep;
+	theKernel = (void (*)(int, uint))images->ep;
 
 	s = env_get("machid");
 	if (s) {
@@ -120,9 +120,9 @@  int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 	}
 	cleanup_before_linux();
 	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
-		theKernel(0, machid, (unsigned long)images->ft_addr);
+		theKernel(machid, (unsigned long)images->ft_addr);
 	else
-	theKernel(0, machid, bd->bi_boot_params);
+	theKernel(machid, bd->bi_boot_params);
 	/* does not return */
 
 	return 1;