Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 111 insertions, 0 deletions

diff --git a/roms/u-boot/arch/powerpc/cpu/mpc85xx/interrupts.c b/roms/u-boot/arch/powerpc/cpu/mpc85xx/interrupts.c
new file mode 100644
index 000000000..4ad762683
--- /dev/null
+++ b/roms/u-boot/arch/powerpc/cpu/mpc85xx/interrupts.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002 (440 port)
+ * Scott McNutt, Artesyn Communication Producs, smcnutt@artsyncp.com
+ *
+ * (C) Copyright 2003 Motorola Inc. (MPC85xx port)
+ * Xianghua Xiao (X.Xiao@motorola.com)
+ */
+
+#include <common.h>
+#include <irq_func.h>
+#include <log.h>
+#include <time.h>
+#include <watchdog.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#ifdef CONFIG_POST
+#include <post.h>
+#endif
+#include <asm/ptrace.h>
+
+void interrupt_init_cpu(unsigned *decrementer_count)
+{
+	ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
+
+#ifdef CONFIG_POST
+	/*
+	 * The POST word is stored in the PIC's TFRR register which gets
+	 * cleared when the PIC is reset.  Save it off so we can restore it
+	 * later.
+	 */
+	ulong post_word = post_word_load();
+#endif
+
+	out_be32(&pic->gcr, MPC85xx_PICGCR_RST);
+	while (in_be32(&pic->gcr) & MPC85xx_PICGCR_RST)
+		;
+	out_be32(&pic->gcr, MPC85xx_PICGCR_M);
+	in_be32(&pic->gcr);
+
+	*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
+
+	/* PIE is same as DIE, dec interrupt enable */
+	mtspr(SPRN_TCR, mfspr(SPRN_TCR) | TCR_PIE);
+
+#ifdef CONFIG_INTERRUPTS
+	pic->iivpr1 = 0x810001;	/* 50220 enable ecm interrupts */
+	debug("iivpr1@%x = %x\n", (uint)&pic->iivpr1, pic->iivpr1);
+
+	pic->iivpr2 = 0x810002;	/* 50240 enable ddr interrupts */
+	debug("iivpr2@%x = %x\n", (uint)&pic->iivpr2, pic->iivpr2);
+
+	pic->iivpr3 = 0x810003;	/* 50260 enable lbc interrupts */
+	debug("iivpr3@%x = %x\n", (uint)&pic->iivpr3, pic->iivpr3);
+
+#ifdef CONFIG_PCI1
+	pic->iivpr8 = 0x810008;	/* enable pci1 interrupts */
+	debug("iivpr8@%x = %x\n", (uint)&pic->iivpr8, pic->iivpr8);
+#endif
+#if defined(CONFIG_PCI2) || defined(CONFIG_PCIE2)
+	pic->iivpr9 = 0x810009;	/* enable pci1 interrupts */
+	debug("iivpr9@%x = %x\n", (uint)&pic->iivpr9, pic->iivpr9);
+#endif
+#ifdef CONFIG_PCIE1
+	pic->iivpr10 = 0x81000a;	/* enable pcie1 interrupts */
+	debug("iivpr10@%x = %x\n", (uint)&pic->iivpr10, pic->iivpr10);
+#endif
+#ifdef CONFIG_PCIE3
+	pic->iivpr11 = 0x81000b;	/* enable pcie3 interrupts */
+	debug("iivpr11@%x = %x\n", (uint)&pic->iivpr11, pic->iivpr11);
+#endif
+
+	pic->ctpr=0;		/* 40080 clear current task priority register */
+#endif
+
+#ifdef CONFIG_POST
+	post_word_store(post_word);
+#endif
+}
+
+/* Install and free a interrupt handler. Not implemented yet. */
+
+void
+irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
+{
+	return;
+}
+
+void
+irq_free_handler(int vec)
+{
+	return;
+}
+
+void timer_interrupt_cpu(struct pt_regs *regs)
+{
+	/* PIS is same as DIS, dec interrupt status */
+	mtspr(SPRN_TSR, TSR_PIS);
+}
+
+#if defined(CONFIG_CMD_IRQ)
+/* irqinfo - print information about PCI devices,not implemented. */
+int do_irqinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+{
+	return 0;
+}
+#endif