diff options
Diffstat (limited to 'arch/powerpc/platforms/embedded6xx')
| -rw-r--r-- | arch/powerpc/platforms/embedded6xx/Kconfig | 23 | ||||
| -rw-r--r-- | arch/powerpc/platforms/embedded6xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/embedded6xx/holly.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/embedded6xx/ls_uart.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/embedded6xx/storcenter.c | 192 |
6 files changed, 212 insertions, 14 deletions
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 8924095a792..6c808375793 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -9,6 +9,8 @@ config LINKSTATION select FSL_SOC select PPC_UDBG_16550 if SERIAL_8250 select DEFAULT_UIMAGE + select MPC10X_OPENPIC + select MPC10X_BRIDGE help Select LINKSTATION if configuring for one of PPC- (MPC8241) based NAS systems from Buffalo Technology. So far only @@ -16,6 +18,19 @@ config LINKSTATION Linkstation-I HD-HLAN and HD-HGLAN versions, and PPC-based Terastation systems should be supported too. +config STORCENTER + bool "IOMEGA StorCenter" + depends on EMBEDDED6xx + select MPIC + select FSL_SOC + select PPC_UDBG_16550 if SERIAL_8250 + select WANT_DEVICE_TREE + select MPC10X_OPENPIC + select MPC10X_BRIDGE + help + Select STORCENTER if configuring for the iomega StorCenter + with an 8241 CPU in it. + config MPC7448HPC2 bool "Freescale MPC7448HPC2(Taiga)" depends on EMBEDDED6xx @@ -23,6 +38,7 @@ config MPC7448HPC2 select DEFAULT_UIMAGE select PPC_UDBG_16550 select WANT_DEVICE_TREE + select TSI108_BRIDGE help Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga) platform @@ -33,6 +49,7 @@ config PPC_HOLLY select TSI108_BRIDGE select PPC_UDBG_16550 select WANT_DEVICE_TREE + select TSI108_BRIDGE help Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval Board with TSI108/9 bridge (Hickory/Holly) @@ -48,17 +65,13 @@ config PPC_PRPMC2800 config TSI108_BRIDGE bool - depends on MPC7448HPC2 || PPC_HOLLY select PCI select MPIC select MPIC_WEIRD - default y config MPC10X_BRIDGE bool - depends on LINKSTATION select PPC_INDIRECT_PCI - default y config MV64X60 bool @@ -67,8 +80,6 @@ config MV64X60 config MPC10X_OPENPIC bool - depends on LINKSTATION - default y config MPC10X_STORE_GATHERING bool "Enable MPC10x store gathering" diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index 844947cfc5d..06524d3ffd2 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -3,5 +3,6 @@ # obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o +obj-$(CONFIG_STORCENTER) += storcenter.o obj-$(CONFIG_PPC_HOLLY) += holly.o obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c index b6de2b5223d..b21fde589ca 100644 --- a/arch/powerpc/platforms/embedded6xx/holly.c +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -20,12 +20,12 @@ #include <linux/console.h> #include <linux/delay.h> #include <linux/irq.h> -#include <linux/ide.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_core.h> +#include <linux/of_platform.h> #include <asm/system.h> #include <asm/time.h> @@ -39,7 +39,6 @@ #include <asm/tsi108_irq.h> #include <asm/tsi108_pci.h> #include <asm/mpic.h> -#include <asm/of_platform.h> #undef DEBUG diff --git a/arch/powerpc/platforms/embedded6xx/ls_uart.c b/arch/powerpc/platforms/embedded6xx/ls_uart.c index c99264cedda..9d891bd5df5 100644 --- a/arch/powerpc/platforms/embedded6xx/ls_uart.c +++ b/arch/powerpc/platforms/embedded6xx/ls_uart.c @@ -117,9 +117,6 @@ static int __init ls_uarts_init(void) phys_addr_t phys_addr; int len; - if (!machine_is(linkstation)) - return 0; - avr = of_find_node_by_path("/soc10x/serial@80004500"); if (!avr) return -EINVAL; @@ -142,4 +139,4 @@ static int __init ls_uarts_init(void) return 0; } -late_initcall(ls_uarts_init); +machine_late_initcall(linkstation, ls_uarts_init); diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index a2c04b9d42b..d4f8bf581e3 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -53,8 +53,6 @@ #define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000 -extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); - int mpc7448_hpc2_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c new file mode 100644 index 00000000000..e12e9d29871 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -0,0 +1,192 @@ +/* + * Board setup routines for the storcenter + * + * Copyright 2007 (C) Oyvind Repvik (nail@nslu2-linux.org) + * Copyright 2007 Andy Wilcox, Jon Loeliger + * + * Based on linkstation.c by G. Liakhovetski + * + * 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/kernel.h> +#include <linux/pci.h> +#include <linux/initrd.h> +#include <linux/mtd/physmap.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/prom.h> +#include <asm/mpic.h> +#include <asm/pci-bridge.h> + +#include "mpc10x.h" + + +#ifdef CONFIG_MTD_PHYSMAP +static struct mtd_partition storcenter_physmap_partitions[] = { + { + .name = "kernel", + .offset = 0x000000, + .size = 0x170000, + }, + { + .name = "rootfs", + .offset = 0x170000, + .size = 0x590000, + }, + { + .name = "uboot", + .offset = 0x700000, + .size = 0x040000, + }, + { + .name = "config", + .offset = 0x740000, + .size = 0x0c0000, + }, +}; +#endif + + +static __initdata struct of_device_id storcenter_of_bus[] = { + { .name = "soc", }, + {}, +}; + +static int __init storcenter_device_probe(void) +{ + of_platform_bus_probe(NULL, storcenter_of_bus, NULL); + return 0; +} +machine_device_initcall(storcenter, storcenter_device_probe); + + +static int __init storcenter_add_bridge(struct device_node *dev) +{ +#ifdef CONFIG_PCI + int len; + struct pci_controller *hose; + const int *bus_range; + + printk("Adding PCI host bridge %s\n", dev->full_name); + + hose = pcibios_alloc_controller(dev); + if (hose == NULL) + return -ENOMEM; + + bus_range = of_get_property(dev, "bus-range", &len); + hose->first_busno = bus_range ? bus_range[0] : 0; + hose->last_busno = bus_range ? bus_range[1] : 0xff; + + setup_indirect_pci(hose, MPC10X_MAPB_CNFG_ADDR, MPC10X_MAPB_CNFG_DATA, 0); + + /* Interpret the "ranges" property */ + /* This also maps the I/O region and sets isa_io/mem_base */ + pci_process_bridge_OF_ranges(hose, dev, 1); +#endif + + return 0; +} + +static void __init storcenter_setup_arch(void) +{ + struct device_node *np; + +#ifdef CONFIG_MTD_PHYSMAP + physmap_set_partitions(storcenter_physmap_partitions, + ARRAY_SIZE(storcenter_physmap_partitions)); +#endif + + /* Lookup PCI host bridges */ + for_each_compatible_node(np, "pci", "mpc10x-pci") + storcenter_add_bridge(np); + + printk(KERN_INFO "IOMEGA StorCenter\n"); +} + +/* + * Interrupt setup and service. Interrrupts on the turbostation come + * from the four PCI slots plus onboard 8241 devices: I2C, DUART. + */ +static void __init storcenter_init_IRQ(void) +{ + struct mpic *mpic; + struct device_node *dnp; + const void *prop; + int size; + phys_addr_t paddr; + + dnp = of_find_node_by_type(NULL, "open-pic"); + if (dnp == NULL) + return; + + prop = of_get_property(dnp, "reg", &size); + if (prop == NULL) { + of_node_put(dnp); + return; + } + + paddr = (phys_addr_t)of_translate_address(dnp, prop); + mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET, + 4, 32, " EPIC "); + + of_node_put(dnp); + + BUG_ON(mpic == NULL); + + /* PCI IRQs */ + /* + * 2.6.12 patch: + * openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200); + * openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120); + * first_irq, num_irqs, __iomem first_ISR + * o_ss: i, src: 0, fdf50200 + * o_ss: i, src: 1, fdf50220 + * o_ss: i, src: 2, fdf50240 + * o_ss: i, src: 3, fdf50260 + * o_ss: i, src: 4, fdf50280 + * o_ss: i, src: 5, fdf51120 + * o_ss: i, src: 6, fdf51140 + */ + mpic_assign_isu(mpic, 0, paddr + 0x10200); + mpic_assign_isu(mpic, 1, paddr + 0x10220); + mpic_assign_isu(mpic, 2, paddr + 0x10240); + mpic_assign_isu(mpic, 3, paddr + 0x10260); + mpic_assign_isu(mpic, 4, paddr + 0x10280); + mpic_assign_isu(mpic, 5, paddr + 0x11120); + mpic_assign_isu(mpic, 6, paddr + 0x11140); + + mpic_init(mpic); +} + +static void storcenter_restart(char *cmd) +{ + local_irq_disable(); + + /* Set exception prefix high - to the firmware */ + _nmask_and_or_msr(0, MSR_IP); + + /* Wait for reset to happen */ + for (;;) ; +} + +static int __init storcenter_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "storcenter"); +} + +define_machine(storcenter){ + .name = "IOMEGA StorCenter", + .probe = storcenter_probe, + .setup_arch = storcenter_setup_arch, + .init_IRQ = storcenter_init_IRQ, + .get_irq = mpic_get_irq, + .restart = storcenter_restart, + .calibrate_decr = generic_calibrate_decr, +}; |