1 files changed, 123 insertions, 0 deletions
diff --git a/arch/blackfin/cpu/initcode.h b/arch/blackfin/cpu/initcode.h
new file mode 100644
index 0000000..1fec7f3
--- /dev/null
+++ b/arch/blackfin/cpu/initcode.h
@@ -0,0 +1,123 @@
+/*
+ * Code for early processor initialization
+ *
+ * Copyright (c) 2004-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_INITCODE_H__
+#define __BFIN_INITCODE_H__
+
+#include <asm/mach-common/bits/bootrom.h>
+
+#ifndef BFIN_IN_INITCODE
+# define serial_putc(c)
+#endif
+
+#ifndef __ADSPBF60x__
+
+#ifndef CONFIG_EBIU_RSTCTL_VAL
+# define CONFIG_EBIU_RSTCTL_VAL 0 /* only MDDRENABLE is useful */
+#endif
+#if ((CONFIG_EBIU_RSTCTL_VAL & 0xFFFFFFC4) != 0)
+# error invalid EBIU_RSTCTL value: must not set reserved bits
+#endif
+
+#ifndef CONFIG_EBIU_MBSCTL_VAL
+# define CONFIG_EBIU_MBSCTL_VAL 0
+#endif
+
+#if defined(CONFIG_EBIU_DDRQUE_VAL) && ((CONFIG_EBIU_DDRQUE_VAL & 0xFFFF8000) != 0)
+# error invalid EBIU_DDRQUE value: must not set reserved bits
+#endif
+
+#endif /* __ADSPBF60x__ */
+
+__attribute__((always_inline)) static inline void
+program_async_controller(ADI_BOOT_DATA *bs)
+{
+#ifdef BFIN_IN_INITCODE
+	/*
+	 * We really only need to setup the async banks early if we're
+	 * booting out of it.  Otherwise, do it later on in cpu_init.
+	 */
+	if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS &&
+	    CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_PARA)
+		return;
+#endif
+
+	serial_putc('a');
+
+#ifdef __ADSPBF60x__
+	/* Program the async banks controller. */
+#ifdef EBIU_AMGCTL
+	bfin_write_EBIU_AMBCTL0(CONFIG_EBIU_AMBCTL0_VAL);
+	bfin_write_EBIU_AMBCTL1(CONFIG_EBIU_AMBCTL1_VAL);
+	bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL);
+#endif
+
+	serial_putc('b');
+
+	/* Not all parts have these additional MMRs. */
+#ifdef EBIU_MBSCTL
+	bfin_write_EBIU_MBSCTL(CONFIG_EBIU_MBSCTL_VAL);
+#endif
+#ifdef EBIU_MODE
+# ifdef CONFIG_EBIU_MODE_VAL
+	bfin_write_EBIU_MODE(CONFIG_EBIU_MODE_VAL);
+# endif
+# ifdef CONFIG_EBIU_FCTL_VAL
+	bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTL_VAL);
+# endif
+#endif
+
+	serial_putc('c');
+
+#else   /* __ADSPBF60x__ */
+	/* Program the static memory controller. */
+# ifdef CONFIG_SMC_GCTL_VAL
+	bfin_write_SMC_GCTL(CONFIG_SMC_GCTL_VAL);
+# endif
+# ifdef CONFIG_SMC_B0CTL_VAL
+	bfin_write_SMC_B0CTL(CONFIG_SMC_B0CTL_VAL);
+# endif
+# ifdef CONFIG_SMC_B0TIM_VAL
+	bfin_write_SMC_B0TIM(CONFIG_SMC_B0TIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B0ETIM_VAL
+	bfin_write_SMC_B0ETIM(CONFIG_SMC_B0ETIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B1CTL_VAL
+	bfin_write_SMC_B1CTL(CONFIG_SMC_B1CTL_VAL);
+# endif
+# ifdef CONFIG_SMC_B1TIM_VAL
+	bfin_write_SMC_B1TIM(CONFIG_SMC_B1TIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B1ETIM_VAL
+	bfin_write_SMC_B1ETIM(CONFIG_SMC_B1ETIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B2CTL_VAL
+	bfin_write_SMC_B2CTL(CONFIG_SMC_B2CTL_VAL);
+# endif
+# ifdef CONFIG_SMC_B2TIM_VAL
+	bfin_write_SMC_B2TIM(CONFIG_SMC_B2TIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B2ETIM_VAL
+	bfin_write_SMC_B2ETIM(CONFIG_SMC_B2ETIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B3CTL_VAL
+	bfin_write_SMC_B3CTL(CONFIG_SMC_B3CTL_VAL);
+# endif
+# ifdef CONFIG_SMC_B3TIM_VAL
+	bfin_write_SMC_B3TIM(CONFIG_SMC_B3TIM_VAL);
+# endif
+# ifdef CONFIG_SMC_B3ETIM_VAL
+	bfin_write_SMC_B3ETIM(CONFIG_SMC_B3ETIM_VAL);
+# endif
+
+#endif
+	serial_putc('d');
+}
+
+#endif