diff options
Diffstat (limited to 'arch/powerpc/platforms/86xx')
| -rw-r--r-- | arch/powerpc/platforms/86xx/Kconfig | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 190 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/sbc8641d.c | 164 |
5 files changed, 363 insertions, 14 deletions
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 21d113536b86..7442c58d44f5 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -11,6 +11,12 @@ config MPC8641_HPCN help This option enables support for the MPC8641 HPCN board. +config SBC8641D + bool "Wind River SBC8641D" + select DEFAULT_UIMAGE + help + This option enables support for the WRS SBC8641D board. + config MPC8610_HPCD bool "Freescale MPC8610 HPCD" select DEFAULT_UIMAGE @@ -24,7 +30,7 @@ config MPC8641 select FSL_PCI if PCI select PPC_UDBG_16550 select MPIC - default y if MPC8641_HPCN + default y if MPC8641_HPCN || SBC8641D config MPC8610 bool diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile index c96706327eaa..1b9b4a9b2525 100644 --- a/arch/powerpc/platforms/86xx/Makefile +++ b/arch/powerpc/platforms/86xx/Makefile @@ -4,4 +4,5 @@ obj-$(CONFIG_SMP) += mpc86xx_smp.o obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o +obj-$(CONFIG_SBC8641D) += sbc8641d.o obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index 0b07485641fe..5e1e8cf14e75 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -3,11 +3,12 @@ * * Initial author: Xianghua Xiao <x.xiao@freescale.com> * Recode: Jason Jin <jason.jin@freescale.com> + * York Sun <yorksun@freescale.com> * * Rewrite the interrupt routing. remove the 8259PIC support, * All the integrated device in ULI use sideband interrupt. * - * Copyright 2007 Freescale Semiconductor Inc. + * Copyright 2008 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -38,6 +39,8 @@ #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> +static unsigned char *pixis_bdcfg0, *pixis_arch; + static struct of_device_id __initdata mpc8610_ids[] = { { .compatible = "fsl,mpc8610-immr", }, {} @@ -52,8 +55,7 @@ static int __init mpc8610_declare_of_platform_devices(void) } machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices); -void __init -mpc86xx_hpcd_init_irq(void) +static void __init mpc86xx_hpcd_init_irq(void) { struct mpic *mpic1; struct device_node *np; @@ -161,12 +163,159 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5288, final_uli5288); #endif /* CONFIG_PCI */ -static void __init -mpc86xx_hpcd_setup_arch(void) +#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) + +static u32 get_busfreq(void) { -#ifdef CONFIG_PCI - struct device_node *np; + struct device_node *node; + + u32 fs_busfreq = 0; + node = of_find_node_by_type(NULL, "cpu"); + if (node) { + unsigned int size; + const unsigned int *prop = + of_get_property(node, "bus-frequency", &size); + if (prop) + fs_busfreq = *prop; + of_node_put(node); + }; + return fs_busfreq; +} + +unsigned int mpc8610hpcd_get_pixel_format(unsigned int bits_per_pixel, + int monitor_port) +{ + static const unsigned long pixelformat[][3] = { + {0x88882317, 0x88083218, 0x65052119}, + {0x88883316, 0x88082219, 0x65053118}, + }; + unsigned int pix_fmt, arch_monitor; + + arch_monitor = ((*pixis_arch == 0x01) && (monitor_port == 0))? 0 : 1; + /* DVI port for board version 0x01 */ + + if (bits_per_pixel == 32) + pix_fmt = pixelformat[arch_monitor][0]; + else if (bits_per_pixel == 24) + pix_fmt = pixelformat[arch_monitor][1]; + else if (bits_per_pixel == 16) + pix_fmt = pixelformat[arch_monitor][2]; + else + pix_fmt = pixelformat[1][0]; + + return pix_fmt; +} + +void mpc8610hpcd_set_gamma_table(int monitor_port, char *gamma_table_base) +{ + int i; + if (monitor_port == 2) { /* dual link LVDS */ + for (i = 0; i < 256*3; i++) + gamma_table_base[i] = (gamma_table_base[i] << 2) | + ((gamma_table_base[i] >> 6) & 0x03); + } +} + +void mpc8610hpcd_set_monitor_port(int monitor_port) +{ + static const u8 bdcfg[] = {0xBD, 0xB5, 0xA5}; + if (monitor_port < 3) + *pixis_bdcfg0 = bdcfg[monitor_port]; +} + +void mpc8610hpcd_set_pixel_clock(unsigned int pixclock) +{ + u32 __iomem *clkdvdr; + u32 temp; + /* variables for pixel clock calcs */ + ulong bestval, bestfreq, speed_ccb, minpixclock, maxpixclock; + ulong pixval; + long err; + int i; + + clkdvdr = ioremap(get_immrbase() + 0xe0800, sizeof(u32)); + if (!clkdvdr) { + printk(KERN_ERR "Err: can't map clock divider register!\n"); + return; + } + + /* Pixel Clock configuration */ + pr_debug("DIU: Bus Frequency = %d\n", get_busfreq()); + speed_ccb = get_busfreq(); + + /* Calculate the pixel clock with the smallest error */ + /* calculate the following in steps to avoid overflow */ + pr_debug("DIU pixclock in ps - %d\n", pixclock); + temp = 1000000000/pixclock; + temp *= 1000; + pixclock = temp; + pr_debug("DIU pixclock freq - %u\n", pixclock); + + temp = pixclock * 5 / 100; + pr_debug("deviation = %d\n", temp); + minpixclock = pixclock - temp; + maxpixclock = pixclock + temp; + pr_debug("DIU minpixclock - %lu\n", minpixclock); + pr_debug("DIU maxpixclock - %lu\n", maxpixclock); + pixval = speed_ccb/pixclock; + pr_debug("DIU pixval = %lu\n", pixval); + + err = 100000000; + bestval = pixval; + pr_debug("DIU bestval = %lu\n", bestval); + + bestfreq = 0; + for (i = -1; i <= 1; i++) { + temp = speed_ccb / ((pixval+i) + 1); + pr_debug("DIU test pixval i= %d, pixval=%lu, temp freq. = %u\n", + i, pixval, temp); + if ((temp < minpixclock) || (temp > maxpixclock)) + pr_debug("DIU exceeds monitor range (%lu to %lu)\n", + minpixclock, maxpixclock); + else if (abs(temp - pixclock) < err) { + pr_debug("Entered the else if block %d\n", i); + err = abs(temp - pixclock); + bestval = pixval+i; + bestfreq = temp; + } + } + + pr_debug("DIU chose = %lx\n", bestval); + pr_debug("DIU error = %ld\n NomPixClk ", err); + pr_debug("DIU: Best Freq = %lx\n", bestfreq); + /* Modify PXCLK in GUTS CLKDVDR */ + pr_debug("DIU: Current value of CLKDVDR = 0x%08x\n", (*clkdvdr)); + temp = (*clkdvdr) & 0x2000FFFF; + *clkdvdr = temp; /* turn off clock */ + *clkdvdr = temp | 0x80000000 | (((bestval) & 0x1F) << 16); + pr_debug("DIU: Modified value of CLKDVDR = 0x%08x\n", (*clkdvdr)); + iounmap(clkdvdr); +} + +ssize_t mpc8610hpcd_show_monitor_port(int monitor_port, char *buf) +{ + return snprintf(buf, PAGE_SIZE, + "%c0 - DVI\n" + "%c1 - Single link LVDS\n" + "%c2 - Dual link LVDS\n", + monitor_port == 0 ? '*' : ' ', + monitor_port == 1 ? '*' : ' ', + monitor_port == 2 ? '*' : ' '); +} + +int mpc8610hpcd_set_sysfs_monitor_port(int val) +{ + return val < 3 ? val : 0; +} + #endif + +static void __init mpc86xx_hpcd_setup_arch(void) +{ + struct resource r; + struct device_node *np; + unsigned char *pixis; + if (ppc_md.progress) ppc_md.progress("mpc86xx_hpcd_setup_arch()", 0); @@ -183,6 +332,30 @@ mpc86xx_hpcd_setup_arch(void) } } #endif +#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) + preallocate_diu_videomemory(); + diu_ops.get_pixel_format = mpc8610hpcd_get_pixel_format; + diu_ops.set_gamma_table = mpc8610hpcd_set_gamma_table; + diu_ops.set_monitor_port = mpc8610hpcd_set_monitor_port; + diu_ops.set_pixel_clock = mpc8610hpcd_set_pixel_clock; + diu_ops.show_monitor_port = mpc8610hpcd_show_monitor_port; + diu_ops.set_sysfs_monitor_port = mpc8610hpcd_set_sysfs_monitor_port; +#endif + + np = of_find_compatible_node(NULL, NULL, "fsl,fpga-pixis"); + if (np) { + of_address_to_resource(np, 0, &r); + of_node_put(np); + pixis = ioremap(r.start, 32); + if (!pixis) { + printk(KERN_ERR "Err: can't map FPGA cfg register!\n"); + return; + } + pixis_bdcfg0 = pixis + 8; + pixis_arch = pixis + 1; + } else + printk(KERN_ERR "Err: " + "can't find device node 'fsl,fpga-pixis'\n"); printk("MPC86xx HPCD board from Freescale Semiconductor\n"); } @@ -200,8 +373,7 @@ static int __init mpc86xx_hpcd_probe(void) return 0; } -long __init -mpc86xx_time_init(void) +static long __init mpc86xx_time_init(void) { unsigned int temp; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index cfbe8c52e263..f947f555fd46 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -55,7 +55,7 @@ static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) } #endif /* CONFIG_PCI */ -void __init +static void __init mpc86xx_hpcn_init_irq(void) { struct mpic *mpic1; @@ -162,7 +162,7 @@ mpc86xx_hpcn_setup_arch(void) } -void +static void mpc86xx_hpcn_show_cpuinfo(struct seq_file *m) { struct device_node *root; @@ -190,13 +190,19 @@ static int __init mpc86xx_hpcn_probe(void) { unsigned long root = of_get_flat_dt_root(); - if (of_flat_dt_is_compatible(root, "mpc86xx")) + if (of_flat_dt_is_compatible(root, "fsl,mpc8641hpcn")) return 1; /* Looks good */ + /* Be nice and don't give silent boot death. Delete this in 2.6.27 */ + if (of_flat_dt_is_compatible(root, "mpc86xx")) { + pr_warning("WARNING: your dts/dtb is old. You must update before the next kernel release\n"); + return 1; + } + return 0; } -long __init +static long __init mpc86xx_time_init(void) { unsigned int temp; diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c new file mode 100644 index 000000000000..510a06ef0b55 --- /dev/null +++ b/arch/powerpc/platforms/86xx/sbc8641d.c @@ -0,0 +1,164 @@ +/* + * SBC8641D board specific routines + * + * Copyright 2008 Wind River Systems Inc. + * + * By Paul Gortmaker (see MAINTAINERS for contact information) + * + * Based largely on the 8641 HPCN support by Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <asm/mpc86xx.h> +#include <asm/prom.h> +#include <mm/mmu_decl.h> +#include <asm/udbg.h> + +#include <asm/mpic.h> + +#include <sysdev/fsl_pci.h> +#include <sysdev/fsl_soc.h> + +#include "mpc86xx.h" + +static void __init +sbc8641_init_irq(void) +{ + struct mpic *mpic1; + struct device_node *np; + struct resource res; + + /* Determine PIC address. */ + np = of_find_node_by_type(NULL, "open-pic"); + if (np == NULL) + return; + of_address_to_resource(np, 0, &res); + + /* Alloc mpic structure and per isu has 16 INT entries. */ + mpic1 = mpic_alloc(np, res.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, + 0, 256, " MPIC "); + of_node_put(np); + BUG_ON(mpic1 == NULL); + + mpic_init(mpic1); +} + +static void __init +sbc8641_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("sbc8641_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") + fsl_add_bridge(np, 0); +#endif + + printk("SBC8641 board from Wind River\n"); + +#ifdef CONFIG_SMP + mpc86xx_smp_init(); +#endif +} + + +static void +sbc8641_show_cpuinfo(struct seq_file *m) +{ + struct device_node *root; + uint memsize = total_memory; + const char *model = ""; + uint svid = mfspr(SPRN_SVR); + + seq_printf(m, "Vendor\t\t: Wind River Systems\n"); + + root = of_find_node_by_path("/"); + if (root) + model = of_get_property(root, "model", NULL); + seq_printf(m, "Machine\t\t: %s\n", model); + of_node_put(root); + + seq_printf(m, "SVR\t\t: 0x%x\n", svid); + seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); +} + + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init sbc8641_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "wind,sbc8641")) + return 1; /* Looks good */ + + return 0; +} + +static long __init +mpc86xx_time_init(void) +{ + unsigned int temp; + + /* Set the time base to zero */ + mtspr(SPRN_TBWL, 0); + mtspr(SPRN_TBWU, 0); + + temp = mfspr(SPRN_HID0); + temp |= HID0_TBEN; + mtspr(SPRN_HID0, temp); + asm volatile("isync"); + + return 0; +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(sbc8641, declare_of_platform_devices); + +define_machine(sbc8641) { + .name = "SBC8641D", + .probe = sbc8641_probe, + .setup_arch = sbc8641_setup_arch, + .init_IRQ = sbc8641_init_irq, + .show_cpuinfo = sbc8641_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .time_init = mpc86xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; |