#undef DEBUG
-#include <linux/stddef.h>
-#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
#include <linux/pci.h>
-#include <linux/kdev_t.h>
-#include <linux/major.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/seq_file.h>
+#include <linux/of.h>
#include <linux/root_dev.h>
#include <linux/initrd.h>
-
-#include <asm/system.h>
-#include <asm/atomic.h>
#include <asm/time.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/ipic.h>
-#include <asm/irq.h>
#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <sysdev/fsl_soc.h>
-#include <asm/of_platform.h>
-
#include <asm/mpc52xx.h>
/* ************************************************************************
*
*/
+/* mpc5200 device tree match tables */
+static struct of_device_id mpc5200_cdm_ids[] __initdata = {
+ { .compatible = "fsl,mpc5200-cdm", },
+ { .compatible = "mpc5200-cdm", },
+ {}
+};
+
+static struct of_device_id mpc5200_gpio_ids[] __initdata = {
+ { .compatible = "fsl,mpc5200-gpio", },
+ { .compatible = "mpc5200-gpio", },
+ {}
+};
+
+/*
+ * Fix clock configuration.
+ *
+ * Firmware is supposed to be responsible for this. If you are creating a
+ * new board port, do *NOT* duplicate this code. Fix your boot firmware
+ * to set it correctly in the first place
+ */
+static void __init
+lite5200_fix_clock_config(void)
+{
+ struct device_node *np;
+ struct mpc52xx_cdm __iomem *cdm;
+ /* Map zones */
+ np = of_find_matching_node(NULL, mpc5200_cdm_ids);
+ cdm = of_iomap(np, 0);
+ of_node_put(np);
+ if (!cdm) {
+ printk(KERN_ERR "%s() failed; expect abnormal behaviour\n",
+ __FUNCTION__);
+ return;
+ }
+
+ /* Use internal 48 Mhz */
+ out_8(&cdm->ext_48mhz_en, 0x00);
+ out_8(&cdm->fd_enable, 0x01);
+ if (in_be32(&cdm->rstcfg) & 0x40) /* Assumes 33Mhz clock */
+ out_be16(&cdm->fd_counters, 0x0001);
+ else
+ out_be16(&cdm->fd_counters, 0x5555);
+
+ /* Unmap the regs */
+ iounmap(cdm);
+}
+
+/*
+ * Fix setting of port_config register.
+ *
+ * Firmware is supposed to be responsible for this. If you are creating a
+ * new board port, do *NOT* duplicate this code. Fix your boot firmware
+ * to set it correctly in the first place
+ */
static void __init
-lite5200_setup_cpu(void)
+lite5200_fix_port_config(void)
{
+ struct device_node *np;
struct mpc52xx_gpio __iomem *gpio;
u32 port_config;
- /* Map zones */
- gpio = mpc52xx_find_and_map("mpc5200-gpio");
+ np = of_find_matching_node(NULL, mpc5200_gpio_ids);
+ gpio = of_iomap(np, 0);
+ of_node_put(np);
if (!gpio) {
- printk(KERN_ERR __FILE__ ": "
- "Error while mapping GPIO register for port config. "
- "Expect some abnormal behavior\n");
- goto error;
+ printk(KERN_ERR "%s() failed. expect abnormal behavior\n",
+ __FUNCTION__);
+ return;
}
/* Set port config */
out_be32(&gpio->port_config, port_config);
/* Unmap zone */
-error:
iounmap(gpio);
}
static void __init lite5200_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("lite5200_setup_arch()", 0);
- /* CPU & Port mux setup */
- mpc52xx_setup_cpu(); /* Generic */
- lite5200_setup_cpu(); /* Platorm specific */
+ /* Map important registers from the internal memory map */
+ mpc52xx_map_common_devices();
+
+ /* Some mpc5200 & mpc5200b related configuration */
+ mpc5200_setup_xlb_arbiter();
+
+ /* Fix things that firmware should have done. */
+ lite5200_fix_clock_config();
+ lite5200_fix_port_config();
#ifdef CONFIG_PM
mpc52xx_suspend.board_suspend_prepare = lite5200_suspend_prepare;
lite5200_pm_init();
#endif
-#ifdef CONFIG_PCI
- np = of_find_node_by_type(NULL, "pci");
- if (np) {
- mpc52xx_add_bridge(np);
- of_node_put(np);
- }
-#endif
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start)
- ROOT_DEV = Root_RAM0;
- else
-#endif
-#ifdef CONFIG_ROOT_NFS
- ROOT_DEV = Root_NFS;
-#else
- ROOT_DEV = Root_HDA1;
-#endif
-
+ mpc52xx_setup_pci();
}
/*
.init = mpc52xx_declare_of_platform_devices,
.init_IRQ = mpc52xx_init_irq,
.get_irq = mpc52xx_get_irq,
+ .restart = mpc52xx_restart,
.calibrate_decr = generic_calibrate_decr,
};