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>
diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c
new file mode 100644
index 0000000..b18a0ca
--- /dev/null
+++ b/arch/mips/bcm63xx/setup.c
@@ -0,0 +1,125 @@
+/*
+ * 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/kernel.h>
+#include <linux/delay.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
+#include <linux/pm.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/reboot.h>
+#include <asm/cacheflush.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+void bcm63xx_machine_halt(void)
+{
+ printk(KERN_INFO "System halted\n");
+ while (1)
+ ;
+}
+
+static void bcm6348_a1_reboot(void)
+{
+ u32 reg;
+
+ /* soft reset all blocks */
+ printk(KERN_INFO "soft-reseting all blocks ...\n");
+ reg = bcm_perf_readl(PERF_SOFTRESET_REG);
+ reg &= ~SOFTRESET_6348_ALL;
+ bcm_perf_writel(reg, PERF_SOFTRESET_REG);
+ mdelay(10);
+
+ reg = bcm_perf_readl(PERF_SOFTRESET_REG);
+ reg |= SOFTRESET_6348_ALL;
+ bcm_perf_writel(reg, PERF_SOFTRESET_REG);
+ mdelay(10);
+
+ /* Jump to the power on address. */
+ printk(KERN_INFO "jumping to reset vector.\n");
+ /* set high vectors (base at 0xbfc00000 */
+ set_c0_status(ST0_BEV | ST0_ERL);
+ /* run uncached in kseg0 */
+ change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+ __flush_cache_all();
+ /* remove all wired TLB entries */
+ write_c0_wired(0);
+ __asm__ __volatile__(
+ "jr\t%0"
+ :
+ : "r" (0xbfc00000));
+ while (1)
+ ;
+}
+
+void bcm63xx_machine_reboot(void)
+{
+ u32 reg;
+
+ /* mask and clear all external irq */
+ reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+ reg &= ~EXTIRQ_CFG_MASK_ALL;
+ reg |= EXTIRQ_CFG_CLEAR_ALL;
+ bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+
+ if (BCMCPU_IS_6348() && (bcm63xx_get_cpu_rev() == 0xa1))
+ bcm6348_a1_reboot();
+
+ printk(KERN_INFO "triggering watchdog soft-reset...\n");
+ bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG);
+ while (1)
+ ;
+}
+
+static void __bcm63xx_machine_reboot(char *p)
+{
+ bcm63xx_machine_reboot();
+}
+
+/*
+ * return system type in /proc/cpuinfo
+ */
+const char *get_system_type(void)
+{
+ static char buf[128];
+ snprintf(buf, sizeof(buf), "bcm63xx/%s (0x%04x/0x%04X)",
+ board_get_name(),
+ bcm63xx_get_cpu_id(), bcm63xx_get_cpu_rev());
+ return buf;
+}
+
+void __init plat_time_init(void)
+{
+ mips_hpt_frequency = bcm63xx_get_cpu_freq() / 2;
+}
+
+void __init plat_mem_setup(void)
+{
+ add_memory_region(0, bcm63xx_get_memory_size(), BOOT_MEM_RAM);
+
+ _machine_halt = bcm63xx_machine_halt;
+ _machine_restart = __bcm63xx_machine_reboot;
+ pm_power_off = bcm63xx_machine_halt;
+
+ set_io_port_base(0);
+ ioport_resource.start = 0;
+ ioport_resource.end = ~0;
+
+ board_setup();
+}
+
+int __init bcm63xx_register_devices(void)
+{
+ return board_register_devices();
+}
+
+arch_initcall(bcm63xx_register_devices);