diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 09:03:46 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 09:03:46 -0700 |
commit | cdd854bc42b5e6c79bbbc40c6600d995ffe6e747 (patch) | |
tree | 18c4dcc07bbb8aeb2b23bc812cd60cc293f36cd8 /arch/powerpc/platforms | |
parent | bbc4fd12a635492ad9d12bb418124fa2d5f0d734 (diff) | |
parent | 42a0ae2282b512d1a8f6f020327f5f7b8f31a5ea (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits)
powerpc/8xx: Add support for the MPC8xx based boards from TQC
powerpc/85xx: Introduce support for the Freescale P1022DS reference board
powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board
powerpc/85xx: Change deprecated binding for 85xx-based boards
powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge
powerpc/tqm85xx: update PCI interrupt-map attribute
powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale
powerpc/fsl_pci: add quirk for mpc8308 pcie bridge
powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards
powerpc/85xx: Fix booting for P1021MDS boards
powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards
powerpc/85xx: kexec for SMP 85xx BookE systems
powerpc/5200/i2c: improve i2c bus error recovery
of/xilinxfb: update tft compatible versions
powerpc/fsl-diu-fb: Support setting display mode using EDID
powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings
powerpc/5121: shared DIU framebuffer support
powerpc/5121: move fsl-diu-fb.h to include/linux
powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor
powerpc/512x: add clock structure for Video-IN (VIU) unit
...
Diffstat (limited to 'arch/powerpc/platforms')
35 files changed, 1376 insertions, 174 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index ec64264f7a5..b72176434eb 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -71,22 +71,6 @@ config MAKALU help This option enables support for the AMCC PPC405EX board. -#config REDWOOD_5 -# bool "Redwood-5" -# depends on 40x -# default n -# select STB03xxx -# help -# This option enables support for the IBM STB04 evaluation board. - -#config REDWOOD_6 -# bool "Redwood-6" -# depends on 40x -# default n -# select STB03xxx -# help -# This option enables support for the IBM STBx25xx evaluation board. - #config SYCAMORE # bool "Sycamore" # depends on 40x diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 4dac9b0525a..27b0651221d 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -1,32 +1,34 @@ config PPC_MPC512x - bool + bool "512x-based boards" + depends on 6xx select FSL_SOC select IPIC select PPC_CLOCK select PPC_PCI_CHOICE select FSL_PCI if PCI -config PPC_MPC5121 - bool - select PPC_MPC512x - config MPC5121_ADS bool "Freescale MPC5121E ADS" - depends on 6xx + depends on PPC_MPC512x select DEFAULT_UIMAGE - select PPC_MPC5121 select MPC5121_ADS_CPLD help This option enables support for the MPC5121E ADS board. config MPC5121_GENERIC bool "Generic support for simple MPC5121 based boards" - depends on 6xx + depends on PPC_MPC512x select DEFAULT_UIMAGE - select PPC_MPC5121 help This option enables support for simple MPC5121 based boards which do not need custom platform specific setup. Compatible boards include: Protonic LVT base boards (ZANMCU and VICVT2). + +config PDM360NG + bool "ifm PDM360NG board" + depends on PPC_MPC512x + select DEFAULT_UIMAGE + help + This option enables support for the PDM360NG board. diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile index 90be2f5717e..4efc1c4b6fb 100644 --- a/arch/powerpc/platforms/512x/Makefile +++ b/arch/powerpc/platforms/512x/Makefile @@ -4,3 +4,4 @@ obj-y += clock.o mpc512x_shared.o obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o mpc5121_ads_cpld.o obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o +obj-$(CONFIG_PDM360NG) += pdm360ng.o diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c index 4c42246b86a..e1c5cd6650b 100644 --- a/arch/powerpc/platforms/512x/clock.c +++ b/arch/powerpc/platforms/512x/clock.c @@ -292,6 +292,15 @@ static void diu_clk_calc(struct clk *clk) clk->rate = rate; } +static void viu_clk_calc(struct clk *clk) +{ + unsigned long rate; + + rate = sys_clk.rate; + rate /= 2; + clk->rate = rate; +} + static void half_clk_calc(struct clk *clk) { clk->rate = clk->parent->rate / 2; @@ -412,6 +421,14 @@ static struct clk diu_clk = { .calc = diu_clk_calc, }; +static struct clk viu_clk = { + .name = "viu_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 18, + .calc = viu_clk_calc, +}; + static struct clk axe_clk = { .name = "axe_clk", .flags = CLK_HAS_CTRL, @@ -535,6 +552,7 @@ struct clk *rate_clks[] = { &ref_clk, &sys_clk, &diu_clk, + &viu_clk, &csb_clk, &e300_clk, &ips_clk, diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c index ee6ae129c25..dcef6ade48e 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -42,6 +42,7 @@ static void __init mpc5121_ads_setup_arch(void) for_each_compatible_node(np, "pci", "fsl,mpc5121-pci") mpc83xx_add_bridge(np); #endif + mpc512x_setup_diu(); } static void __init mpc5121_ads_init_IRQ(void) @@ -65,6 +66,7 @@ define_machine(mpc5121_ads) { .probe = mpc5121_ads_probe, .setup_arch = mpc5121_ads_setup_arch, .init = mpc512x_init, + .init_early = mpc512x_init_diu, .init_IRQ = mpc5121_ads_init_IRQ, .get_irq = ipic_get_irq, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/512x/mpc5121_generic.c b/arch/powerpc/platforms/512x/mpc5121_generic.c index a6c0e3a2615..e487eb06ec6 100644 --- a/arch/powerpc/platforms/512x/mpc5121_generic.c +++ b/arch/powerpc/platforms/512x/mpc5121_generic.c @@ -52,6 +52,8 @@ define_machine(mpc5121_generic) { .name = "MPC5121 generic", .probe = mpc5121_generic_probe, .init = mpc512x_init, + .init_early = mpc512x_init_diu, + .setup_arch = mpc512x_setup_diu, .init_IRQ = mpc512x_init_IRQ, .get_irq = ipic_get_irq, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h index b2daca0d148..1ab6d11d0b1 100644 --- a/arch/powerpc/platforms/512x/mpc512x.h +++ b/arch/powerpc/platforms/512x/mpc512x.h @@ -16,4 +16,6 @@ extern void __init mpc512x_init(void); extern int __init mpc5121_clk_init(void); void __init mpc512x_declare_of_platform_devices(void); extern void mpc512x_restart(char *cmd); +extern void mpc512x_init_diu(void); +extern void mpc512x_setup_diu(void); #endif /* __MPC512X_H__ */ diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c index 707e572b7c4..e41ebbdb3e1 100644 --- a/arch/powerpc/platforms/512x/mpc512x_shared.c +++ b/arch/powerpc/platforms/512x/mpc512x_shared.c @@ -16,7 +16,11 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/of_platform.h> +#include <linux/fsl-diu-fb.h> +#include <linux/bootmem.h> +#include <sysdev/fsl_soc.h> +#include <asm/cacheflush.h> #include <asm/machdep.h> #include <asm/ipic.h> #include <asm/prom.h> @@ -54,6 +58,286 @@ void mpc512x_restart(char *cmd) ; } +struct fsl_diu_shared_fb { + u8 gamma[0x300]; /* 32-bit aligned! */ + struct diu_ad ad0; /* 32-bit aligned! */ + phys_addr_t fb_phys; + size_t fb_len; + bool in_use; +}; + +unsigned int mpc512x_get_pixel_format(unsigned int bits_per_pixel, + int monitor_port) +{ + switch (bits_per_pixel) { + case 32: + return 0x88883316; + case 24: + return 0x88082219; + case 16: + return 0x65053118; + } + return 0x00000400; +} + +void mpc512x_set_gamma_table(int monitor_port, char *gamma_table_base) +{ +} + +void mpc512x_set_monitor_port(int monitor_port) +{ +} + +#define DIU_DIV_MASK 0x000000ff +void mpc512x_set_pixel_clock(unsigned int pixclock) +{ + unsigned long bestval, bestfreq, speed, busfreq; + unsigned long minpixclock, maxpixclock, pixval; + struct mpc512x_ccm __iomem *ccm; + struct device_node *np; + u32 temp; + long err; + int i; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-clock"); + if (!np) { + pr_err("Can't find clock control module.\n"); + return; + } + + ccm = of_iomap(np, 0); + of_node_put(np); + if (!ccm) { + pr_err("Can't map clock control module reg.\n"); + return; + } + + np = of_find_node_by_type(NULL, "cpu"); + if (np) { + const unsigned int *prop = + of_get_property(np, "bus-frequency", NULL); + + of_node_put(np); + if (prop) { + busfreq = *prop; + } else { + pr_err("Can't get bus-frequency property\n"); + return; + } + } else { + pr_err("Can't find 'cpu' node.\n"); + return; + } + + /* Pixel Clock configuration */ + pr_debug("DIU: Bus Frequency = %lu\n", busfreq); + speed = busfreq * 4; /* DIU_DIV ratio is 4 * CSB_CLK / DIU_CLK */ + + /* 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) * 1000; + pixclock = temp; + pr_debug("DIU pixclock freq - %u\n", pixclock); + + temp = temp / 20; /* pixclock * 0.05 */ + 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/pixclock; + pr_debug("DIU pixval = %lu\n", pixval); + + err = LONG_MAX; + bestval = pixval; + pr_debug("DIU bestval = %lu\n", bestval); + + bestfreq = 0; + for (i = -1; i <= 1; i++) { + temp = speed / (pixval+i); + 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 DIU_DIV in CCM SCFR1 */ + temp = in_be32(&ccm->scfr1); + pr_debug("DIU: Current value of SCFR1: 0x%08x\n", temp); + temp &= ~DIU_DIV_MASK; + temp |= (bestval & DIU_DIV_MASK); + out_be32(&ccm->scfr1, temp); + pr_debug("DIU: Modified value of SCFR1: 0x%08x\n", temp); + iounmap(ccm); +} + +ssize_t mpc512x_show_monitor_port(int monitor_port, char *buf) +{ + return sprintf(buf, "0 - 5121 LCD\n"); +} + +int mpc512x_set_sysfs_monitor_port(int val) +{ + return 0; +} + +static struct fsl_diu_shared_fb __attribute__ ((__aligned__(8))) diu_shared_fb; + +#if defined(CONFIG_FB_FSL_DIU) || \ + defined(CONFIG_FB_FSL_DIU_MODULE) +static inline void mpc512x_free_bootmem(struct page *page) +{ + __ClearPageReserved(page); + BUG_ON(PageTail(page)); + BUG_ON(atomic_read(&page->_count) > 1); + atomic_set(&page->_count, 1); + __free_page(page); + totalram_pages++; +} + +void mpc512x_release_bootmem(void) +{ + unsigned long addr = diu_shared_fb.fb_phys & PAGE_MASK; + unsigned long size = diu_shared_fb.fb_len; + unsigned long start, end; + + if (diu_shared_fb.in_use) { + start = PFN_UP(addr); + end = PFN_DOWN(addr + size); + + for (; start < end; start++) + mpc512x_free_bootmem(pfn_to_page(start)); + + diu_shared_fb.in_use = false; + } + diu_ops.release_bootmem = NULL; +} +#endif + +/* + * Check if DIU was pre-initialized. If so, perform steps + * needed to continue displaying through the whole boot process. + * Move area descriptor and gamma table elsewhere, they are + * destroyed by bootmem allocator otherwise. The frame buffer + * address range will be reserved in setup_arch() after bootmem + * allocator is up. + */ +void __init mpc512x_init_diu(void) +{ + struct device_node *np; + struct diu __iomem *diu_reg; + phys_addr_t desc; + void __iomem *vaddr; + unsigned long mode, pix_fmt, res, bpp; + unsigned long dst; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-diu"); + if (!np) { + pr_err("No DIU node\n"); + return; + } + + diu_reg = of_iomap(np, 0); + of_node_put(np); + if (!diu_reg) { + pr_err("Can't map DIU\n"); + return; + } + + mode = in_be32(&diu_reg->diu_mode); + if (mode != MFB_MODE1) { + pr_info("%s: DIU OFF\n", __func__); + goto out; + } + + desc = in_be32(&diu_reg->desc[0]); + vaddr = ioremap(desc, sizeof(struct diu_ad)); + if (!vaddr) { + pr_err("Can't map DIU area desc.\n"); + goto out; + } + memcpy(&diu_shared_fb.ad0, vaddr, sizeof(struct diu_ad)); + /* flush fb area descriptor */ + dst = (unsigned long)&diu_shared_fb.ad0; + flush_dcache_range(dst, dst + sizeof(struct diu_ad) - 1); + + res = in_be32(&diu_reg->disp_size); + pix_fmt = in_le32(vaddr); + bpp = ((pix_fmt >> 16) & 0x3) + 1; + diu_shared_fb.fb_phys = in_le32(vaddr + 4); + diu_shared_fb.fb_len = ((res & 0xfff0000) >> 16) * (res & 0xfff) * bpp; + diu_shared_fb.in_use = true; + iounmap(vaddr); + + desc = in_be32(&diu_reg->gamma); + vaddr = ioremap(desc, sizeof(diu_shared_fb.gamma)); + if (!vaddr) { + pr_err("Can't map DIU area desc.\n"); + diu_shared_fb.in_use = false; + goto out; + } + memcpy(&diu_shared_fb.gamma, vaddr, sizeof(diu_shared_fb.gamma)); + /* flush gamma table */ + dst = (unsigned long)&diu_shared_fb.gamma; + flush_dcache_range(dst, dst + sizeof(diu_shared_fb.gamma) - 1); + + iounmap(vaddr); + out_be32(&diu_reg->gamma, virt_to_phys(&diu_shared_fb.gamma)); + out_be32(&diu_reg->desc[1], 0); + out_be32(&diu_reg->desc[2], 0); + out_be32(&diu_reg->desc[0], virt_to_phys(&diu_shared_fb.ad0)); + +out: + iounmap(diu_reg); +} + +void __init mpc512x_setup_diu(void) +{ + int ret; + + /* + * We do not allocate and configure new area for bitmap buffer + * because it would requere copying bitmap data (splash image) + * and so negatively affect boot time. Instead we reserve the + * already configured frame buffer area so that it won't be + * destroyed. The starting address of the area to reserve and + * also it's length is passed to reserve_bootmem(). It will be + * freed later on first open of fbdev, when splash image is not + * needed any more. + */ + if (diu_shared_fb.in_use) { + ret = reserve_bootmem(diu_shared_fb.fb_phys, + diu_shared_fb.fb_len, + BOOTMEM_EXCLUSIVE); + if (ret) { + pr_err("%s: reserve bootmem failed\n", __func__); + diu_shared_fb.in_use = false; + } + } + +#if defined(CONFIG_FB_FSL_DIU) || \ + defined(CONFIG_FB_FSL_DIU_MODULE) + diu_ops.get_pixel_format = mpc512x_get_pixel_format; + diu_ops.set_gamma_table = mpc512x_set_gamma_table; + diu_ops.set_monitor_port = mpc512x_set_monitor_port; + diu_ops.set_pixel_clock = mpc512x_set_pixel_clock; + diu_ops.show_monitor_port = mpc512x_show_monitor_port; + diu_ops.set_sysfs_monitor_port = mpc512x_set_sysfs_monitor_port; + diu_ops.release_bootmem = mpc512x_release_bootmem; +#endif +} + void __init mpc512x_init_IRQ(void) { struct device_node *np; diff --git a/arch/powerpc/platforms/512x/pdm360ng.c b/arch/powerpc/platforms/512x/pdm360ng.c new file mode 100644 index 00000000000..0575e858291 --- /dev/null +++ b/arch/powerpc/platforms/512x/pdm360ng.c @@ -0,0 +1,129 @@ +/* + * Copyright (C) 2010 DENX Software Engineering + * + * Anatolij Gustschin, <agust@denx.de> + * + * PDM360NG board setup + * + * This 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/kernel.h> +#include <linux/io.h> +#include <linux/of_platform.h> + +#include <asm/machdep.h> +#include <asm/ipic.h> + +#include "mpc512x.h" + +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ + defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) +#include <linux/interrupt.h> +#include <linux/spi/ads7846.h> +#include <linux/spi/spi.h> +#include <linux/notifier.h> + +static void *pdm360ng_gpio_base; + +static int pdm360ng_get_pendown_state(void) +{ + u32 reg; + + reg = in_be32(pdm360ng_gpio_base + 0xc); + if (reg & 0x40) + setbits32(pdm360ng_gpio_base + 0xc, 0x40); + + reg = in_be32(pdm360ng_gpio_base + 0x8); + + /* return 1 if pen is down */ + return (reg & 0x40) == 0; +} + +static struct ads7846_platform_data pdm360ng_ads7846_pdata = { + .model = 7845, + .get_pendown_state = pdm360ng_get_pendown_state, + .irq_flags = IRQF_TRIGGER_LOW, +}; + +static int __init pdm360ng_penirq_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-gpio"); + if (!np) { + pr_err("%s: Can't find 'mpc5121-gpio' node\n", __func__); + return -ENODEV; + } + + pdm360ng_gpio_base = of_iomap(np, 0); + of_node_put(np); + if (!pdm360ng_gpio_base) { + pr_err("%s: Can't map gpio regs.\n", __func__); + return -ENODEV; + } + out_be32(pdm360ng_gpio_base + 0xc, 0xffffffff); + setbits32(pdm360ng_gpio_base + 0x18, 0x2000); + setbits32(pdm360ng_gpio_base + 0x10, 0x40); + + return 0; +} + +static int pdm360ng_touchscreen_notifier_call(struct notifier_block *nb, + unsigned long event, void *__dev) +{ + struct device *dev = __dev; + + if ((event == BUS_NOTIFY_ADD_DEVICE) && + of_device_is_compatible(dev->of_node, "ti,ads7846")) { + dev->platform_data = &pdm360ng_ads7846_pdata; + return NOTIFY_OK; + } + return NOTIFY_DONE; +} + +static struct notifier_block pdm360ng_touchscreen_nb = { + .notifier_call = pdm360ng_touchscreen_notifier_call, +}; + +static void __init pdm360ng_touchscreen_init(void) +{ + if (pdm360ng_penirq_init()) + return; + + bus_register_notifier(&spi_bus_type, &pdm360ng_touchscreen_nb); +} +#else +static inline void __init pdm360ng_touchscreen_init(void) +{ +} +#endif /* CONFIG_TOUCHSCREEN_ADS7846 */ + +void __init pdm360ng_init(void) +{ + mpc512x_init(); + pdm360ng_touchscreen_init(); +} + +static int __init pdm360ng_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "ifm,pdm360ng"); +} + +define_machine(pdm360ng) { + .name = "PDM360NG", + .probe = pdm360ng_probe, + .setup_arch = mpc512x_setup_diu, + .init = pdm360ng_init, + .init_early = mpc512x_init_diu, + .init_IRQ = mpc512x_init_IRQ, + .get_irq = ipic_get_irq, + .calibrate_decr = generic_calibrate_decr, + .restart = mpc512x_restart, +}; diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c index b5c753db125..80234e5921f 100644 --- a/arch/powerpc/platforms/52xx/lite5200_pm.c +++ b/arch/powerpc/platforms/52xx/lite5200_pm.c @@ -216,9 +216,6 @@ static int lite5200_pm_enter(suspend_state_t state) lite5200_restore_regs(); - /* restart jiffies */ - wakeup_decrementer(); - iounmap(mbar); return 0; } diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c index 76722532bd9..568cef63627 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c @@ -171,9 +171,6 @@ int mpc52xx_pm_enter(suspend_state_t state) /* restore SRAM */ memcpy(sram, saved_sram, sram_size); - /* restart jiffies */ - wakeup_decrementer(); - /* reenable interrupts in PIC */ out_be32(&intr->main_mask, intr_main_mask); diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index f49a2548c5f..021763a32c2 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -9,6 +9,14 @@ menuconfig PPC_83xx if PPC_83xx +config MPC830x_RDB + bool "Freescale MPC830x RDB" + select DEFAULT_UIMAGE + select PPC_MPC831x + select FSL_GTM + help + This option enables support for the MPC8308 RDB board. + config MPC831x_RDB bool "Freescale MPC831x RDB" select DEFAULT_UIMAGE diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index e139c36572e..6e8bbbbcfdf 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -4,6 +4,7 @@ obj-y := misc.o usb.o obj-$(CONFIG_SUSPEND) += suspend.o suspend-asm.o obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mpc8349emitx.o +obj-$(CONFIG_MPC830x_RDB) += mpc830x_rdb.o obj-$(CONFIG_MPC831x_RDB) += mpc831x_rdb.o obj-$(CONFIG_MPC832x_RDB) += mpc832x_rdb.o obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c new file mode 100644 index 00000000000..ac102ee9abe --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c @@ -0,0 +1,94 @@ +/* + * arch/powerpc/platforms/83xx/mpc830x_rdb.c + * + * Description: MPC830x RDB board specific routines. + * This file is based on mpc831x_rdb.c + * + * Copyright (C) Freescale Semiconductor, Inc. 2009. All rights reserved. + * Copyright (C) 2010. Ilya Yanok, Emcraft Systems, yanok@emcraft.com + * + * 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/pci.h> +#include <linux/of_platform.h> +#include <asm/time.h> +#include <asm/ipic.h> +#include <asm/udbg.h> +#include <sysdev/fsl_pci.h> +#include <sysdev/fsl_soc.h> +#include "mpc83xx.h" + +/* + * Setup the architecture + */ +static void __init mpc830x_rdb_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc830x_rdb_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8308-pcie") + mpc83xx_add_bridge(np); +#endif + mpc831x_usb_cfg(); +} + +static void __init mpc830x_rdb_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_node_by_type(NULL, "ipic"); + if (!np) + return; + + ipic_init(np, 0); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc830x_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "MPC8308RDB") || + of_flat_dt_is_compatible(root, "fsl,mpc8308rdb"); +} + +static struct of_device_id __initdata of_bus_ids[] = { + { .compatible = "simple-bus" }, + { .compatible = "gianfar" }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + return 0; +} +machine_device_initcall(mpc830x_rdb, declare_of_platform_devices); + +define_machine(mpc830x_rdb) { + .name = "MPC830x RDB", + .probe = mpc830x_rdb_probe, + .setup_arch = mpc830x_rdb_setup_arch, + .init_IRQ = mpc830x_rdb_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 3a2ade2e443..bea1f5905ad 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig |