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https://github.com/edk2-porting/linux-next.git
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b9cf5d8e2e
The Efika board isn't different enough from other 52xx based boards to justify a separate platform. This patch merges it with the support code for all other 52xx based boards. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
151 lines
3.4 KiB
C
151 lines
3.4 KiB
C
/*
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*
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* Efika 5K2 platform setup
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* Some code really inspired from the lite5200b platform.
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*
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* Copyright (C) 2006 bplan GmbH
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*
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*/
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/reboot.h>
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#include <linux/init.h>
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#include <linux/utsrelease.h>
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#include <linux/seq_file.h>
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#include <linux/root_dev.h>
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#include <linux/initrd.h>
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#include <linux/timer.h>
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#include <linux/pci.h>
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#include <asm/pgtable.h>
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#include <asm/prom.h>
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#include <asm/time.h>
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#include <asm/machdep.h>
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#include <asm/rtas.h>
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#include <asm/of_device.h>
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#include <asm/of_platform.h>
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#include <asm/mpc52xx.h>
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#include "efika.h"
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static void efika_show_cpuinfo(struct seq_file *m)
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{
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struct device_node *root;
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const char *revision = NULL;
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const char *codegendescription = NULL;
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const char *codegenvendor = NULL;
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root = of_find_node_by_path("/");
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if (root) {
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revision = get_property(root, "revision", NULL);
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codegendescription =
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get_property(root, "CODEGEN,description", NULL);
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codegenvendor = get_property(root, "CODEGEN,vendor", NULL);
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of_node_put(root);
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}
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if (codegendescription)
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seq_printf(m, "machine\t\t: %s\n", codegendescription);
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else
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seq_printf(m, "machine\t\t: Efika\n");
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if (revision)
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seq_printf(m, "revision\t: %s\n", revision);
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if (codegenvendor)
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seq_printf(m, "vendor\t\t: %s\n", codegenvendor);
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of_node_put(root);
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}
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static void __init efika_setup_arch(void)
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{
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rtas_initialize();
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#ifdef CONFIG_BLK_DEV_INITRD
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initrd_below_start_ok = 1;
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if (initrd_start)
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ROOT_DEV = Root_RAM0;
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else
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#endif
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ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */
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efika_pcisetup();
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if (ppc_md.progress)
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ppc_md.progress("Linux/PPC " UTS_RELEASE " runnung on Efika ;-)\n", 0x0);
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}
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static void __init efika_init(void)
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{
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struct device_node *np;
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struct device_node *cnp = NULL;
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const u32 *base;
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/* Find every child of the SOC node and add it to of_platform */
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np = of_find_node_by_name(NULL, "builtin");
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if (np) {
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char name[BUS_ID_SIZE];
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while ((cnp = of_get_next_child(np, cnp))) {
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strcpy(name, cnp->name);
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base = get_property(cnp, "reg", NULL);
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if (base == NULL)
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continue;
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snprintf(name+strlen(name), BUS_ID_SIZE, "@%x", *base);
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of_platform_device_create(cnp, name, NULL);
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printk(KERN_INFO EFIKA_PLATFORM_NAME" : Added %s (type '%s' at '%s') to the known devices\n", name, cnp->type, cnp->full_name);
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}
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}
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if (ppc_md.progress)
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ppc_md.progress(" Have fun with your Efika! ", 0x7777);
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}
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static int __init efika_probe(void)
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{
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char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
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"model", NULL);
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if (model == NULL)
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return 0;
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if (strcmp(model, "EFIKA5K2"))
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return 0;
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ISA_DMA_THRESHOLD = ~0L;
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DMA_MODE_READ = 0x44;
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DMA_MODE_WRITE = 0x48;
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return 1;
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}
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define_machine(efika)
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{
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.name = EFIKA_PLATFORM_NAME,
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.probe = efika_probe,
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.setup_arch = efika_setup_arch,
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.init = efika_init,
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.show_cpuinfo = efika_show_cpuinfo,
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.init_IRQ = mpc52xx_init_irq,
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.get_irq = mpc52xx_get_irq,
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.restart = rtas_restart,
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.power_off = rtas_power_off,
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.halt = rtas_halt,
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.set_rtc_time = rtas_set_rtc_time,
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.get_rtc_time = rtas_get_rtc_time,
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.progress = rtas_progress,
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.get_boot_time = rtas_get_boot_time,
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.calibrate_decr = generic_calibrate_decr,
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.phys_mem_access_prot = pci_phys_mem_access_prot,
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};
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