diff options
Diffstat (limited to 'arch/powerpc/platforms/52xx')
| -rw-r--r-- | arch/powerpc/platforms/52xx/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/efika-pci.c | 119 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/efika-setup.c | 150 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/efika.c | 243 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/efika.h | 19 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/lite5200.c | 29 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_common.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_pic.c | 10 |
8 files changed, 266 insertions, 310 deletions
diff --git a/arch/powerpc/platforms/52xx/Makefile b/arch/powerpc/platforms/52xx/Makefile index 795b713..07cdbca 100644 --- a/arch/powerpc/platforms/52xx/Makefile +++ b/arch/powerpc/platforms/52xx/Makefile @@ -6,5 +6,5 @@ obj-y += mpc52xx_pic.o mpc52xx_common.o obj-$(CONFIG_PCI) += mpc52xx_pci.o endif -obj-$(CONFIG_PPC_EFIKA) += efika-setup.o efika-pci.o +obj-$(CONFIG_PPC_EFIKA) += efika.o obj-$(CONFIG_PPC_LITE5200) += lite5200.o diff --git a/arch/powerpc/platforms/52xx/efika-pci.c b/arch/powerpc/platforms/52xx/efika-pci.c deleted file mode 100644 index 62e05b2..0000000 --- a/arch/powerpc/platforms/52xx/efika-pci.c +++ /dev/null @@ -1,119 +0,0 @@ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/string.h> -#include <linux/init.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/sections.h> -#include <asm/pci-bridge.h> -#include <asm/rtas.h> - -#include "efika.h" - -#ifdef CONFIG_PCI -/* - * Access functions for PCI config space using RTAS calls. - */ -static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 * val) -{ - struct pci_controller *hose = bus->sysdata; - unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) - | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); - int ret = -1; - int rval; - - rval = rtas_call(rtas_token("read-pci-config"), 2, 2, &ret, addr, len); - *val = ret; - return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int rtas_write_config(struct pci_bus *bus, unsigned int devfn, - int offset, int len, u32 val) -{ - struct pci_controller *hose = bus->sysdata; - unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) - | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); - int rval; - - rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL, - addr, len, val); - return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops rtas_pci_ops = { - rtas_read_config, - rtas_write_config -}; - -void __init efika_pcisetup(void) -{ - const int *bus_range; - int len; - struct pci_controller *hose; - struct device_node *root; - struct device_node *pcictrl; - - root = of_find_node_by_path("/"); - if (root == NULL) { - printk(KERN_WARNING EFIKA_PLATFORM_NAME - ": Unable to find the root node\n"); - return; - } - - for (pcictrl = NULL;;) { - pcictrl = of_get_next_child(root, pcictrl); - if ((pcictrl == NULL) || (strcmp(pcictrl->name, "pci") == 0)) - break; - } - - of_node_put(root); - - if (pcictrl == NULL) { - printk(KERN_WARNING EFIKA_PLATFORM_NAME - ": Unable to find the PCI bridge node\n"); - return; - } - - bus_range = get_property(pcictrl, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { - printk(KERN_WARNING EFIKA_PLATFORM_NAME - ": Can't get bus-range for %s\n", pcictrl->full_name); - return; - } - - if (bus_range[1] == bus_range[0]) - printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI bus %d", - bus_range[0]); - else - printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI buses %d..%d", - bus_range[0], bus_range[1]); - printk(" controlled by %s\n", pcictrl->full_name); - printk("\n"); - - hose = pcibios_alloc_controller(); - if (!hose) { - printk(KERN_WARNING EFIKA_PLATFORM_NAME - ": Can't allocate PCI controller structure for %s\n", - pcictrl->full_name); - return; - } - - hose->arch_data = of_node_get(pcictrl); - hose->first_busno = bus_range[0]; - hose->last_busno = bus_range[1]; - hose->ops = &rtas_pci_ops; - - pci_process_bridge_OF_ranges(hose, pcictrl, 0); -} - -#else -void __init efika_pcisetup(void) -{} -#endif diff --git a/arch/powerpc/platforms/52xx/efika-setup.c b/arch/powerpc/platforms/52xx/efika-setup.c deleted file mode 100644 index 110c980..0000000 --- a/arch/powerpc/platforms/52xx/efika-setup.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * - * Efika 5K2 platform setup - * Some code really inspired from the lite5200b platform. - * - * Copyright (C) 2006 bplan GmbH - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - * - */ - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/reboot.h> -#include <linux/init.h> -#include <linux/utsrelease.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/initrd.h> -#include <linux/timer.h> -#include <linux/pci.h> - -#include <asm/pgtable.h> -#include <asm/prom.h> -#include <asm/time.h> -#include <asm/machdep.h> -#include <asm/rtas.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> -#include <asm/mpc52xx.h> - -#include "efika.h" - -static void efika_show_cpuinfo(struct seq_file *m) -{ - struct device_node *root; - const char *revision = NULL; - const char *codegendescription = NULL; - const char *codegenvendor = NULL; - - root = of_find_node_by_path("/"); - if (root) { - revision = get_property(root, "revision", NULL); - codegendescription = - get_property(root, "CODEGEN,description", NULL); - codegenvendor = get_property(root, "CODEGEN,vendor", NULL); - - of_node_put(root); - } - - if (codegendescription) - seq_printf(m, "machine\t\t: %s\n", codegendescription); - else - seq_printf(m, "machine\t\t: Efika\n"); - - if (revision) - seq_printf(m, "revision\t: %s\n", revision); - - if (codegenvendor) - seq_printf(m, "vendor\t\t: %s\n", codegenvendor); - - of_node_put(root); -} - -static void __init efika_setup_arch(void) -{ - rtas_initialize(); - -#ifdef CONFIG_BLK_DEV_INITRD - initrd_below_start_ok = 1; - - if (initrd_start) - ROOT_DEV = Root_RAM0; - else -#endif - ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */ - - efika_pcisetup(); - - if (ppc_md.progress) - ppc_md.progress("Linux/PPC " UTS_RELEASE " runnung on Efika ;-)\n", 0x0); -} - -static void __init efika_init(void) -{ - struct device_node *np; - struct device_node *cnp = NULL; - const u32 *base; - - /* Find every child of the SOC node and add it to of_platform */ - np = of_find_node_by_name(NULL, "builtin"); - if (np) { - char name[BUS_ID_SIZE]; - while ((cnp = of_get_next_child(np, cnp))) { - strcpy(name, cnp->name); - - base = get_property(cnp, "reg", NULL); - if (base == NULL) - continue; - - snprintf(name+strlen(name), BUS_ID_SIZE, "@%x", *base); - of_platform_device_create(cnp, name, NULL); - - printk(KERN_INFO EFIKA_PLATFORM_NAME" : Added %s (type '%s' at '%s') to the known devices\n", name, cnp->type, cnp->full_name); - } - } - - if (ppc_md.progress) - ppc_md.progress(" Have fun with your Efika! ", 0x7777); -} - -static int __init efika_probe(void) -{ - char *model = of_get_flat_dt_prop(of_get_flat_dt_root(), - "model", NULL); - - if (model == NULL) - return 0; - if (strcmp(model, "EFIKA5K2")) - return 0; - - ISA_DMA_THRESHOLD = ~0L; - DMA_MODE_READ = 0x44; - DMA_MODE_WRITE = 0x48; - - return 1; -} - -define_machine(efika) -{ - .name = EFIKA_PLATFORM_NAME, - .probe = efika_probe, - .setup_arch = efika_setup_arch, - .init = efika_init, - .show_cpuinfo = efika_show_cpuinfo, - .init_IRQ = mpc52xx_init_irq, - .get_irq = mpc52xx_get_irq, - .restart = rtas_restart, - .power_off = rtas_power_off, - .halt = rtas_halt, - .set_rtc_time = rtas_set_rtc_time, - .get_rtc_time = rtas_get_rtc_time, - .progress = rtas_progress, - .get_boot_time = rtas_get_boot_time, - .calibrate_decr = generic_calibrate_decr, - .phys_mem_access_prot = pci_phys_mem_access_prot, -}; diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c new file mode 100644 index 0000000..8de0341 --- /dev/null +++ b/arch/powerpc/platforms/52xx/efika.c @@ -0,0 +1,243 @@ +/* + * Efika 5K2 platform code + * Some code really inspired from the lite5200b platform. + * + * Copyright (C) 2006 bplan GmbH + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/reboot.h> +#include <linux/init.h> +#include <linux/utsrelease.h> +#include <linux/seq_file.h> +#include <linux/string.h> +#include <linux/root_dev.h> +#include <linux/initrd.h> +#include <linux/timer.h> +#include <linux/pci.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/sections.h> +#include <asm/pci-bridge.h> +#include <asm/pgtable.h> +#include <asm/prom.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/rtas.h> +#include <asm/of_device.h> +#include <asm/of_platform.h> +#include <asm/mpc52xx.h> + + +#define EFIKA_PLATFORM_NAME "Efika" + + +/* ------------------------------------------------------------------------ */ +/* PCI accesses thru RTAS */ +/* ------------------------------------------------------------------------ */ + +#ifdef CONFIG_PCI + +/* + * Access functions for PCI config space using RTAS calls. + */ +static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 * val) +{ + struct pci_controller *hose = bus->sysdata; + unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) + | (((bus->number - hose->first_busno) & 0xff) << 16) + | (hose->index << 24); + int ret = -1; + int rval; + + rval = rtas_call(rtas_token("read-pci-config"), 2, 2, &ret, addr, len); + *val = ret; + return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; +} + +static int rtas_write_config(struct pci_bus *bus, unsigned int devfn, + int offset, int len, u32 val) +{ + struct pci_controller *hose = bus->sysdata; + unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) + | (((bus->number - hose->first_busno) & 0xff) << 16) + | (hose->index << 24); + int rval; + + rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL, + addr, len, val); + return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops rtas_pci_ops = { + rtas_read_config, + rtas_write_config +}; + + +void __init efika_pcisetup(void) +{ + const int *bus_range; + int len; + struct pci_controller *hose; + struct device_node *root; + struct device_node *pcictrl; + + root = of_find_node_by_path("/"); + if (root == NULL) { + printk(KERN_WARNING EFIKA_PLATFORM_NAME + ": Unable to find the root node\n"); + return; + } + + for (pcictrl = NULL;;) { + pcictrl = of_get_next_child(root, pcictrl); + if ((pcictrl == NULL) || (strcmp(pcictrl->name, "pci") == 0)) + break; + } + + of_node_put(root); + + if (pcictrl == NULL) { + printk(KERN_WARNING EFIKA_PLATFORM_NAME + ": Unable to find the PCI bridge node\n"); + return; + } + + bus_range = get_property(pcictrl, "bus-range", &len); + if (bus_range == NULL || len < 2 * sizeof(int)) { + printk(KERN_WARNING EFIKA_PLATFORM_NAME + ": Can't get bus-range for %s\n", pcictrl->full_name); + return; + } + + if (bus_range[1] == bus_range[0]) + printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI bus %d", + bus_range[0]); + else + printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI buses %d..%d", + bus_range[0], bus_range[1]); + printk(" controlled by %s\n", pcictrl->full_name); + printk("\n"); + + hose = pcibios_alloc_controller(); + if (!hose) { + printk(KERN_WARNING EFIKA_PLATFORM_NAME + ": Can't allocate PCI controller structure for %s\n", + pcictrl->full_name); + return; + } + + hose->arch_data = of_node_get(pcictrl); + hose->first_busno = bus_range[0]; + hose->last_busno = bus_range[1]; + hose->ops = &rtas_pci_ops; + + pci_process_bridge_OF_ranges(hose, pcictrl, 0); +} + +#else +void __init efika_pcisetup(void) +{} +#endif + + + +/* ------------------------------------------------------------------------ */ +/* Platform setup */ +/* ------------------------------------------------------------------------ */ + +static void efika_show_cpuinfo(struct seq_file *m) +{ + struct device_node *root; + const char *revision = NULL; + const char *codegendescription = NULL; + const char *codegenvendor = NULL; + + root = of_find_node_by_path("/"); + if (!root) + return; + + revision = get_property(root, "revision", NULL); + codegendescription = + get_property(root, "CODEGEN,description", NULL); + codegenvendor = get_property(root, "CODEGEN,vendor", NULL); + + if (codegendescription) + seq_printf(m, "machine\t\t: %s\n", codegendescription); + else + seq_printf(m, "machine\t\t: Efika\n"); + + if (revision) + seq_printf(m, "revision\t: %s\n", revision); + + if (codegenvendor) + seq_printf(m, "vendor\t\t: %s\n", codegenvendor); + + of_node_put(root); +} + +static void __init efika_setup_arch(void) +{ + rtas_initialize(); + +#ifdef CONFIG_BLK_DEV_INITRD + initrd_below_start_ok = 1; + + if (initrd_start) + ROOT_DEV = Root_RAM0; + else +#endif + ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */ + + efika_pcisetup(); + + if (ppc_md.progress) + ppc_md.progress("Linux/PPC " UTS_RELEASE " running on Efika ;-)\n", 0x0); +} + +static int __init efika_probe(void) +{ + char *model = of_get_flat_dt_prop(of_get_flat_dt_root(), + "model", NULL); + + if (model == NULL) + return 0; + if (strcmp(model, "EFIKA5K2")) + return 0; + + ISA_DMA_THRESHOLD = ~0L; + DMA_MODE_READ = 0x44; + DMA_MODE_WRITE = 0x48; + + return 1; +} + +define_machine(efika) +{ + .name = EFIKA_PLATFORM_NAME, + .probe = efika_probe, + .setup_arch = efika_setup_arch, + .init = mpc52xx_declare_of_platform_devices, + .show_cpuinfo = efika_show_cpuinfo, + .init_IRQ = mpc52xx_init_irq, + .get_irq = mpc52xx_get_irq, + .restart = rtas_restart, + .power_off = rtas_power_off, + .halt = rtas_halt, + .set_rtc_time = rtas_set_rtc_time, + .get_rtc_time = rtas_get_rtc_time, + .progress = rtas_progress, + .get_boot_time = rtas_get_boot_time, + .calibrate_decr = generic_calibrate_decr, + .phys_mem_access_prot = pci_phys_mem_access_prot, +}; + diff --git a/arch/powerpc/platforms/52xx/efika.h b/arch/powerpc/platforms/52xx/efika.h deleted file mode 100644 index 2f060fd..0000000 --- a/arch/powerpc/platforms/52xx/efika.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Efika 5K2 platform setup - Header file - * - * Copyright (C) 2006 bplan GmbH - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - * - */ - -#ifndef __ARCH_POWERPC_EFIKA__ -#define __ARCH_POWERPC_EFIKA__ - -#define EFIKA_PLATFORM_NAME "Efika" - -extern void __init efika_pcisetup(void); - -#endif diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index cdb16bf..cc3b40d 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -51,13 +51,13 @@ */ static void __init -lite52xx_setup_cpu(void) +lite5200_setup_cpu(void) { struct mpc52xx_gpio __iomem *gpio; u32 port_config; /* Map zones */ - gpio = mpc52xx_find_and_map("mpc52xx-gpio"); + gpio = mpc52xx_find_and_map("mpc5200-gpio"); if (!gpio) { printk(KERN_ERR __FILE__ ": " "Error while mapping GPIO register for port config. " @@ -85,12 +85,12 @@ error: iounmap(gpio); } -static void __init lite52xx_setup_arch(void) +static void __init lite5200_setup_arch(void) { struct device_node *np; if (ppc_md.progress) - ppc_md.progress("lite52xx_setup_arch()", 0); + ppc_md.progress("lite5200_setup_arch()", 0); np = of_find_node_by_type(NULL, "cpu"); if (np) { @@ -105,7 +105,7 @@ static void __init lite52xx_setup_arch(void) /* CPU & Port mux setup */ mpc52xx_setup_cpu(); /* Generic */ - lite52xx_setup_cpu(); /* Platorm specific */ + lite5200_setup_cpu(); /* Platorm specific */ #ifdef CONFIG_PCI np = of_find_node_by_type(np, "pci"); @@ -126,7 +126,7 @@ static void __init lite52xx_setup_arch(void) } -void lite52xx_show_cpuinfo(struct seq_file *m) +void lite5200_show_cpuinfo(struct seq_file *m) { struct device_node* np = of_find_all_nodes(NULL); const char *model = NULL; @@ -143,25 +143,26 @@ void lite52xx_show_cpuinfo(struct seq_file *m) /* * Called very early, MMU is off, device-tree isn't unflattened */ -static int __init lite52xx_probe(void) +static int __init lite5200_probe(void) { unsigned long node = of_get_flat_dt_root(); const char *model = of_get_flat_dt_prop(node, "model", NULL); - if (!of_flat_dt_is_compatible(node, "lite52xx")) + if (!of_flat_dt_is_compatible(node, "fsl,lite5200") && + !of_flat_dt_is_compatible(node, "fsl,lite5200b")) return 0; - pr_debug("%s board w/ mpc52xx found\n", model ? model : "unknown"); + pr_debug("%s board found\n", model ? model : "unknown"); return 1; } -define_machine(lite52xx) { - .name = "lite52xx", - .probe = lite52xx_probe, - .setup_arch = lite52xx_setup_arch, +define_machine(lite5200) { + .name = "lite5200", + .probe = lite5200_probe, + .setup_arch = lite5200_setup_arch, .init = mpc52xx_declare_of_platform_devices, .init_IRQ = mpc52xx_init_irq, .get_irq = mpc52xx_get_irq, - .show_cpuinfo = lite52xx_show_cpuinfo, + .show_cpuinfo = lite5200_show_cpuinfo, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index cc40889..ed0cb69 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -83,8 +83,8 @@ mpc52xx_setup_cpu(void) struct mpc52xx_xlb __iomem *xlb; /* Map zones */ - cdm = mpc52xx_find_and_map("mpc52xx-cdm"); - xlb = mpc52xx_find_and_map("mpc52xx-xlb"); + cdm = mpc52xx_find_and_map("mpc5200-cdm"); + xlb = mpc52xx_find_and_map("mpc5200-xlb"); if (!cdm || !xlb) { printk(KERN_ERR __FILE__ ": " diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index cd91a6c..c751925 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -383,16 +383,16 @@ void __init mpc52xx_init_irq(void) struct device_node *picnode; /* Remap the necessary zones */ - picnode = of_find_compatible_node(NULL, NULL, "mpc52xx-pic"); + picnode = of_find_compatible_node(NULL, NULL, "mpc5200-pic"); - intr = mpc52xx_find_and_map("mpc52xx-pic"); + intr = mpc52xx_find_and_map("mpc5200-pic"); if (!intr) - panic(__FILE__ ": find_and_map failed on 'mpc52xx-pic'. " + panic(__FILE__ ": find_and_map failed on 'mpc5200-pic'. " "Check node !"); - sdma = mpc52xx_find_and_map("mpc52xx-bestcomm"); + sdma = mpc52xx_find_and_map("mpc5200-bestcomm"); if (!sdma) - panic(__FILE__ ": find_and_map failed on 'mpc52xx-bestcomm'. " + panic(__FILE__ ": find_and_map failed on 'mpc5200-bestcomm'. " "Check node !"); /* Disable all interrupt sources. */ |