GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ */
+
+#include <common.h>
+#include <vsprintf.h>
+#include <watchdog.h>
+#include <command.h>
+#include <netdev.h>
+
+#include <asm/immap.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	rcm_t *rcm = (rcm_t *) (MMAP_RCM);
+	udelay(1000);
+	out_8(&rcm->rcr, RCM_RCR_FRCRSTOUT);
+	udelay(10000);
+	setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
+
+	/* we don't return! */
+	return 0;
+};
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	ccm_t *ccm = (ccm_t *) MMAP_CCM;
+	u16 msk;
+	u16 id = 0;
+	u8 ver;
+
+	puts("CPU:   ");
+	msk = (in_be16(&ccm->cir) >> 6);
+	ver = (in_be16(&ccm->cir) & 0x003f);
+	switch (msk) {
+	case 0x48:
+		id = 54455;
+		break;
+	case 0x49:
+		id = 54454;
+		break;
+	case 0x4a:
+		id = 54453;
+		break;
+	case 0x4b:
+		id = 54452;
+		break;
+	case 0x4d:
+		id = 54451;
+		break;
+	case 0x4f:
+		id = 54450;
+		break;
+	case 0x9F:
+		id = 54410;
+		break;
+	case 0xA0:
+		id = 54415;
+		break;
+	case 0xA1:
+		id = 54416;
+		break;
+	case 0xA2:
+		id = 54417;
+		break;
+	case 0xA3:
+		id = 54418;
+		break;
+	}
+
+	if (id) {
+		char buf1[32], buf2[32], buf3[32];
+
+		printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+		       ver);
+		printf("       CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
+		       strmhz(buf1, gd->cpu_clk),
+		       strmhz(buf2, gd->bus_clk),
+		       strmhz(buf3, gd->arch.flb_clk));
+#ifdef CONFIG_PCI
+		printf("       PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n",
+		       strmhz(buf1, gd->pci_clk),
+		       strmhz(buf2, gd->arch.inp_clk),
+		       strmhz(buf3, gd->arch.vco_clk));
+#else
+		printf("       INP CLK %s MHz VCO CLK %s MHz\n",
+		       strmhz(buf1, gd->arch.inp_clk),
+		       strmhz(buf2, gd->arch.vco_clk));
+#endif
+	}
+
+	return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
+
+#if defined(CONFIG_MCFFEC)
+/* Default initializations for MCFFEC controllers.  To override,
+ * create a board-specific function called:
+ * 	int board_eth_init(bd_t *bis)
+ */
+
+int cpu_eth_init(bd_t *bis)
+{
+	return mcffec_initialize(bis);
+}
+#endif