MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
new file mode 100644
index 0000000..fb284fb
--- /dev/null
+++ b/arch/mips/bcm63xx/prom.c
@@ -0,0 +1,55 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <asm/bootinfo.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_gpio.h>
+
+void __init prom_init(void)
+{
+	u32 reg, mask;
+
+	bcm63xx_cpu_init();
+
+	/* stop any running watchdog */
+	bcm_wdt_writel(WDT_STOP_1, WDT_CTL_REG);
+	bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG);
+
+	/* disable all hardware blocks clock for now */
+	if (BCMCPU_IS_6338())
+		mask = CKCTL_6338_ALL_SAFE_EN;
+	else if (BCMCPU_IS_6345())
+		mask = CKCTL_6345_ALL_SAFE_EN;
+	else if (BCMCPU_IS_6348())
+		mask = CKCTL_6348_ALL_SAFE_EN;
+	else
+		/* BCMCPU_IS_6358() */
+		mask = CKCTL_6358_ALL_SAFE_EN;
+
+	reg = bcm_perf_readl(PERF_CKCTL_REG);
+	reg &= ~mask;
+	bcm_perf_writel(reg, PERF_CKCTL_REG);
+
+	/* assign command line from kernel config */
+	strcpy(arcs_cmdline, CONFIG_CMDLINE);
+
+	/* register gpiochip */
+	bcm63xx_gpio_init();
+
+	/* do low level board init */
+	board_prom_init();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}