From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 14 May 2019 09:44:15 +0000 (+0200)
Subject: software/bios/boot: remove specific linux commands (not needed with device tree)
X-Git-Tag: 24jan2021_ls180~1212
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f25707012fe987a14aa39077b35adf5eb3f05186;p=litex.git

software/bios/boot: remove specific linux commands (not needed with device tree)
---

diff --git a/litex/soc/software/bios/boot.c b/litex/soc/software/bios/boot.c
index 39b8e02e..822bfb80 100644
--- a/litex/soc/software/bios/boot.c
+++ b/litex/soc/software/bios/boot.c
@@ -84,7 +84,6 @@ int serialboot(void)
 {
 	struct sfl_frame frame;
 	int failed;
-	unsigned long cmdline_adr, initrdstart_adr, initrdend_adr;
 	static const char str[SFL_MAGIC_LEN+1] = SFL_MAGIC_REQ;
 	const char *c;
 	int ack_status;
@@ -109,7 +108,6 @@ int serialboot(void)
 	/* assume ACK_OK */
 
 	failed = 0;
-	cmdline_adr = initrdstart_adr = initrdend_adr = 0;
 	while(1) {
 		int i;
 		int actualcrc;
@@ -165,33 +163,9 @@ int serialboot(void)
 					|((unsigned long)frame.payload[2] <<  8)
 					|((unsigned long)frame.payload[3] <<  0);
 				uart_write(SFL_ACK_SUCCESS);
-				boot(cmdline_adr, initrdstart_adr, initrdend_adr, addr);
+				boot(0, 0, 0, addr);
 				break;
 			}
-			case SFL_CMD_CMDLINE:
-				failed = 0;
-				cmdline_adr =  ((unsigned long)frame.payload[0] << 24)
-						  |((unsigned long)frame.payload[1] << 16)
-						  |((unsigned long)frame.payload[2] <<  8)
-						  |((unsigned long)frame.payload[3] <<  0);
-				uart_write(SFL_ACK_SUCCESS);
-				break;
-			case SFL_CMD_INITRDSTART:
-				failed = 0;
-				initrdstart_adr =  ((unsigned long)frame.payload[0] << 24)
-							  |((unsigned long)frame.payload[1] << 16)
-							  |((unsigned long)frame.payload[2] <<  8)
-							  |((unsigned long)frame.payload[3] <<  0);
-				uart_write(SFL_ACK_SUCCESS);
-				break;
-			case SFL_CMD_INITRDEND:
-				failed = 0;
-				initrdend_adr =  ((unsigned long)frame.payload[0] << 24)
-							|((unsigned long)frame.payload[1] << 16)
-							|((unsigned long)frame.payload[2] <<  8)
-							|((unsigned long)frame.payload[3] <<  0);
-				uart_write(SFL_ACK_SUCCESS);
-				break;
 			default:
 				failed++;
 				if(failed == MAX_FAILED) {
diff --git a/litex/soc/software/bios/sfl.h b/litex/soc/software/bios/sfl.h
index c496aed3..ac1aa9f7 100644
--- a/litex/soc/software/bios/sfl.h
+++ b/litex/soc/software/bios/sfl.h
@@ -17,11 +17,6 @@ struct sfl_frame {
 #define SFL_CMD_LOAD		0x01
 #define SFL_CMD_JUMP		0x02
 
-/* Linux-specific commands */
-#define SFL_CMD_CMDLINE		0x03
-#define SFL_CMD_INITRDSTART	0x04
-#define SFL_CMD_INITRDEND	0x05
-
 /* Replies */
 #define SFL_ACK_SUCCESS		'K'
 #define SFL_ACK_CRCERROR	'C'