diff options
Diffstat (limited to 'arch/arm/mach-netx')
23 files changed, 209 insertions, 402 deletions
diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot index b81cf6aff0a..534a4d27055 100644 --- a/arch/arm/mach-netx/Makefile.boot +++ b/arch/arm/mach-netx/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x80008000 + zreladdr-y += 0x80008000 diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c index 24c79650f9f..d122ee6ab99 100644 --- a/arch/arm/mach-netx/fb.c +++ b/arch/arm/mach-netx/fb.c @@ -22,14 +22,14 @@ #include <linux/dma-mapping.h> #include <linux/amba/bus.h> #include <linux/amba/clcd.h> +#include <linux/err.h> +#include <linux/gfp.h> + +#include <asm/irq.h> #include <mach/netx-regs.h> #include <mach/hardware.h> -struct clk {}; - -static struct clk fb_clk; - static struct clcd_panel *netx_panel; void netx_clcd_enable(struct clcd_fb *fb) @@ -69,42 +69,7 @@ void netx_clcd_remove(struct clcd_fb *fb) fb->fb.screen_base, fb->fb.fix.smem_start); } -void clk_disable(struct clk *clk) -{ -} - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - return 0; -} - -int clk_enable(struct clk *clk) -{ - return 0; -} - -struct clk *clk_get(struct device *dev, const char *id) -{ - return &fb_clk; -} - -void clk_put(struct clk *clk) -{ -} - -static struct amba_device fb_device = { - .dev = { - .bus_id = "fb", - .coherent_dma_mask = ~0, - }, - .res = { - .start = 0x00104000, - .end = 0x00104fff, - .flags = IORESOURCE_MEM, - }, - .irq = { NETX_IRQ_LCD, NO_IRQ }, - .periphid = 0x10112400, -}; +static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL); int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel) { diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c index 1b40483ea75..db25b0cef3a 100644 --- a/arch/arm/mach-netx/generic.c +++ b/arch/arm/mach-netx/generic.c @@ -22,10 +22,11 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/irqchip/arm-vic.h> +#include <linux/reboot.h> #include <mach/hardware.h> #include <asm/mach/map.h> -#include <asm/hardware/vic.h> -#include <asm/io.h> #include <mach/netx-regs.h> #include <asm/mach/irq.h> @@ -77,27 +78,24 @@ netx_hif_demux_handler(unsigned int irq_unused, struct irq_desc *desc) stat = ((readl(NETX_DPMAS_INT_EN) & readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f; - desc = irq_desc + NETX_IRQ_HIF_CHAINED(0); - while (stat) { if (stat & 1) { DEBUG_IRQ("handling irq %d\n", irq); - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } irq++; - desc++; stat >>= 1; } } static int -netx_hif_irq_type(unsigned int _irq, unsigned int type) +netx_hif_irq_type(struct irq_data *d, unsigned int type) { unsigned int val, irq; val = readl(NETX_DPMAS_IF_CONF1); - irq = _irq - NETX_IRQ_HIF_CHAINED(0); + irq = d->irq - NETX_IRQ_HIF_CHAINED(0); if (type & IRQ_TYPE_EDGE_RISING) { DEBUG_IRQ("rising edges\n"); @@ -122,65 +120,65 @@ netx_hif_irq_type(unsigned int _irq, unsigned int type) } static void -netx_hif_ack_irq(unsigned int _irq) +netx_hif_ack_irq(struct irq_data *d) { unsigned int val, irq; - irq = _irq - NETX_IRQ_HIF_CHAINED(0); + irq = d->irq - NETX_IRQ_HIF_CHAINED(0); writel((1 << 24) << irq, NETX_DPMAS_INT_STAT); val = readl(NETX_DPMAS_INT_EN); val &= ~((1 << 24) << irq); writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, _irq); + DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); } static void -netx_hif_mask_irq(unsigned int _irq) +netx_hif_mask_irq(struct irq_data *d) { unsigned int val, irq; - irq = _irq - NETX_IRQ_HIF_CHAINED(0); + irq = d->irq - NETX_IRQ_HIF_CHAINED(0); val = readl(NETX_DPMAS_INT_EN); val &= ~((1 << 24) << irq); writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, _irq); + DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); } static void -netx_hif_unmask_irq(unsigned int _irq) +netx_hif_unmask_irq(struct irq_data *d) { unsigned int val, irq; - irq = _irq - NETX_IRQ_HIF_CHAINED(0); + irq = d->irq - NETX_IRQ_HIF_CHAINED(0); val = readl(NETX_DPMAS_INT_EN); val |= (1 << 24) << irq; writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, _irq); + DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); } static struct irq_chip netx_hif_chip = { - .ack = netx_hif_ack_irq, - .mask = netx_hif_mask_irq, - .unmask = netx_hif_unmask_irq, - .set_type = netx_hif_irq_type, + .irq_ack = netx_hif_ack_irq, + .irq_mask = netx_hif_mask_irq, + .irq_unmask = netx_hif_unmask_irq, + .irq_set_type = netx_hif_irq_type, }; void __init netx_init_irq(void) { int irq; - vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0); + vic_init(io_p2v(NETX_PA_VIC), NETX_IRQ_VIC_START, ~0, 0); for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) { - set_irq_chip(irq, &netx_hif_chip); - set_irq_handler(irq, handle_level_irq); + irq_set_chip_and_handler(irq, &netx_hif_chip, + handle_level_irq); set_irq_flags(irq, IRQF_VALID); } writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN); - set_irq_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler); + irq_set_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler); } static int __init netx_init(void) @@ -190,3 +188,8 @@ static int __init netx_init(void) subsys_initcall(netx_init); +void netx_restart(enum reboot_mode mode, const char *cmd) +{ + writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES, + NETX_SYSTEM_RES_CR); +} diff --git a/arch/arm/mach-netx/generic.h b/arch/arm/mach-netx/generic.h index ede2d35341c..bb2ce471cc2 100644 --- a/arch/arm/mach-netx/generic.h +++ b/arch/arm/mach-netx/generic.h @@ -17,8 +17,10 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/reboot.h> + extern void __init netx_map_io(void); extern void __init netx_init_irq(void); +extern void netx_restart(enum reboot_mode, const char *); -struct sys_timer; -extern struct sys_timer netx_timer; +extern void netx_timer_init(void); diff --git a/arch/arm/mach-netx/include/mach/debug-macro.S b/arch/arm/mach-netx/include/mach/debug-macro.S index 11b9d5b4639..247781e096e 100644 --- a/arch/arm/mach-netx/include/mach/debug-macro.S +++ b/arch/arm/mach-netx/include/mach/debug-macro.S @@ -13,12 +13,10 @@ #include "hardware.h" - .macro addruart,rx - mrc p15, 0, \rx, c1, c0 - tst \rx, #1 @ MMU enabled? - moveq \rx, #0x00100000 @ physical - movne \rx, #io_p2v(0x00100000) @ virtual - orr \rx, \rx, #0x00000a00 + .macro addruart, rp, rv, tmp + mov \rp, #0x00000a00 + orr \rv, \rp, #io_p2v(0x00100000) @ virtual + orr \rp, \rp, #0x00100000 @ physical .endm .macro senduart,rd,rx diff --git a/arch/arm/mach-netx/include/mach/dma.h b/arch/arm/mach-netx/include/mach/dma.h deleted file mode 100644 index 690b3ebc43a..00000000000 --- a/arch/arm/mach-netx/include/mach/dma.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/dma.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define MAX_DMA_CHANNELS 0 -#define MAX_DMA_ADDRESS ~0 diff --git a/arch/arm/mach-netx/include/mach/entry-macro.S b/arch/arm/mach-netx/include/mach/entry-macro.S deleted file mode 100644 index a1952a0feda..00000000000 --- a/arch/arm/mach-netx/include/mach/entry-macro.S +++ /dev/null @@ -1,41 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/entry-macro.S - * - * Low-level IRQ helper macros for Hilscher netX based platforms - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <mach/hardware.h> - - .macro disable_fiq - .endm - - .macro get_irqnr_preamble, base, tmp - .endm - - .macro arch_ret_to_user, tmp1, tmp2 - .endm - - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - mov \base, #io_p2v(0x00100000) - add \base, \base, #0x000ff000 - - ldr \irqstat, [\base, #0] - clz \irqnr, \irqstat - rsb \irqnr, \irqnr, #31 - cmp \irqstat, #0 - .endm - diff --git a/arch/arm/mach-netx/include/mach/eth.h b/arch/arm/mach-netx/include/mach/eth.h deleted file mode 100644 index 88af1ac28ea..00000000000 --- a/arch/arm/mach-netx/include/mach/eth.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/eth.h - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef ASMARM_ARCH_ETH_H -#define ASMARM_ARCH_ETH_H - -struct netxeth_platform_data { - unsigned int xcno; /* number of xmac/xpec engine this eth uses */ -}; - -#endif diff --git a/arch/arm/mach-netx/include/mach/hardware.h b/arch/arm/mach-netx/include/mach/hardware.h index 517a2bd3784..b661af2f214 100644 --- a/arch/arm/mach-netx/include/mach/hardware.h +++ b/arch/arm/mach-netx/include/mach/hardware.h @@ -33,7 +33,7 @@ #define XMAC_MEM_SIZE 0x1000 #define SRAM_MEM_SIZE 0x8000 -#define io_p2v(x) ((x) - NETX_IO_PHYS + NETX_IO_VIRT) +#define io_p2v(x) IOMEM((x) - NETX_IO_PHYS + NETX_IO_VIRT) #define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS) #endif diff --git a/arch/arm/mach-netx/include/mach/io.h b/arch/arm/mach-netx/include/mach/io.h deleted file mode 100644 index 468b92a8258..00000000000 --- a/arch/arm/mach-netx/include/mach/io.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/io.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -#define IO_SPACE_LIMIT 0xffffffff - -#define __io(a) ((void __iomem *)(a)) -#define __mem_pci(a) (a) - -#endif diff --git a/arch/arm/mach-netx/include/mach/irqs.h b/arch/arm/mach-netx/include/mach/irqs.h index 6ce914d54a3..8f74a844a77 100644 --- a/arch/arm/mach-netx/include/mach/irqs.h +++ b/arch/arm/mach-netx/include/mach/irqs.h @@ -17,42 +17,42 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define NETX_IRQ_VIC_START 0 -#define NETX_IRQ_SOFTINT 0 -#define NETX_IRQ_TIMER0 1 -#define NETX_IRQ_TIMER1 2 -#define NETX_IRQ_TIMER2 3 -#define NETX_IRQ_SYSTIME_NS 4 -#define NETX_IRQ_SYSTIME_S 5 -#define NETX_IRQ_GPIO_15 6 -#define NETX_IRQ_WATCHDOG 7 -#define NETX_IRQ_UART0 8 -#define NETX_IRQ_UART1 9 -#define NETX_IRQ_UART2 10 -#define NETX_IRQ_USB 11 -#define NETX_IRQ_SPI 12 -#define NETX_IRQ_I2C 13 -#define NETX_IRQ_LCD 14 -#define NETX_IRQ_HIF 15 -#define NETX_IRQ_GPIO_0_14 16 -#define NETX_IRQ_XPEC0 17 -#define NETX_IRQ_XPEC1 18 -#define NETX_IRQ_XPEC2 19 -#define NETX_IRQ_XPEC3 20 -#define NETX_IRQ_XPEC(no) (17 + (no)) -#define NETX_IRQ_MSYNC0 21 -#define NETX_IRQ_MSYNC1 22 -#define NETX_IRQ_MSYNC2 23 -#define NETX_IRQ_MSYNC3 24 -#define NETX_IRQ_IRQ_PHY 25 -#define NETX_IRQ_ISO_AREA 26 +#define NETX_IRQ_VIC_START 64 +#define NETX_IRQ_SOFTINT (NETX_IRQ_VIC_START + 0) +#define NETX_IRQ_TIMER0 (NETX_IRQ_VIC_START + 1) +#define NETX_IRQ_TIMER1 (NETX_IRQ_VIC_START + 2) +#define NETX_IRQ_TIMER2 (NETX_IRQ_VIC_START + 3) +#define NETX_IRQ_SYSTIME_NS (NETX_IRQ_VIC_START + 4) +#define NETX_IRQ_SYSTIME_S (NETX_IRQ_VIC_START + 5) +#define NETX_IRQ_GPIO_15 (NETX_IRQ_VIC_START + 6) +#define NETX_IRQ_WATCHDOG (NETX_IRQ_VIC_START + 7) +#define NETX_IRQ_UART0 (NETX_IRQ_VIC_START + 8) +#define NETX_IRQ_UART1 (NETX_IRQ_VIC_START + 9) +#define NETX_IRQ_UART2 (NETX_IRQ_VIC_START + 10) +#define NETX_IRQ_USB (NETX_IRQ_VIC_START + 11) +#define NETX_IRQ_SPI (NETX_IRQ_VIC_START + 12) +#define NETX_IRQ_I2C (NETX_IRQ_VIC_START + 13) +#define NETX_IRQ_LCD (NETX_IRQ_VIC_START + 14) +#define NETX_IRQ_HIF (NETX_IRQ_VIC_START + 15) +#define NETX_IRQ_GPIO_0_14 (NETX_IRQ_VIC_START + 16) +#define NETX_IRQ_XPEC0 (NETX_IRQ_VIC_START + 17) +#define NETX_IRQ_XPEC1 (NETX_IRQ_VIC_START + 18) +#define NETX_IRQ_XPEC2 (NETX_IRQ_VIC_START + 19) +#define NETX_IRQ_XPEC3 (NETX_IRQ_VIC_START + 20) +#define NETX_IRQ_XPEC(no) (NETX_IRQ_VIC_START + 17 + (no)) +#define NETX_IRQ_MSYNC0 (NETX_IRQ_VIC_START + 21) +#define NETX_IRQ_MSYNC1 (NETX_IRQ_VIC_START + 22) +#define NETX_IRQ_MSYNC2 (NETX_IRQ_VIC_START + 23) +#define NETX_IRQ_MSYNC3 (NETX_IRQ_VIC_START + 24) +#define NETX_IRQ_IRQ_PHY (NETX_IRQ_VIC_START + 25) +#define NETX_IRQ_ISO_AREA (NETX_IRQ_VIC_START + 26) /* int 27 is reserved */ /* int 28 is reserved */ -#define NETX_IRQ_TIMER3 29 -#define NETX_IRQ_TIMER4 30 +#define NETX_IRQ_TIMER3 (NETX_IRQ_VIC_START + 29) +#define NETX_IRQ_TIMER4 (NETX_IRQ_VIC_START + 30) /* int 31 is reserved */ -#define NETX_IRQS 32 +#define NETX_IRQS (NETX_IRQ_VIC_START + 32) /* for multiplexed irqs on gpio 0..14 */ #define NETX_IRQ_GPIO(x) (NETX_IRQS + (x)) diff --git a/arch/arm/mach-netx/include/mach/memory.h b/arch/arm/mach-netx/include/mach/memory.h deleted file mode 100644 index 53745a1378d..00000000000 --- a/arch/arm/mach-netx/include/mach/memory.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/memory.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_ARCH_MEMORY_H -#define __ASM_ARCH_MEMORY_H - -#define PHYS_OFFSET UL(0x80000000) - -/* - * Virtual view <-> DMA view memory address translations - * virt_to_bus: Used to translate the virtual address to an - * address suitable to be passed to set_dma_addr - * bus_to_virt: Used to convert an address for DMA operations - * to an address that the kernel can use. - */ -#define __virt_to_bus(x) __virt_to_phys(x) -#define __bus_to_virt(x) __phys_to_virt(x) - -#endif - diff --git a/arch/arm/mach-netx/include/mach/netx-regs.h b/arch/arm/mach-netx/include/mach/netx-regs.h index 5104a00d40f..fdde22b58ac 100644 --- a/arch/arm/mach-netx/include/mach/netx-regs.h +++ b/arch/arm/mach-netx/include/mach/netx-regs.h @@ -80,7 +80,7 @@ #define NETX_PA_XPEC(no) (NETX_IO_PHYS + NETX_OFS_XPEC(no)) #define NETX_PA_VIC (NETX_IO_PHYS + NETX_OFS_VIC) -/* virual addresses */ +/* virtual addresses */ #define NETX_VA_SYSTEM (NETX_IO_VIRT + NETX_OFS_SYSTEM) #define NETX_VA_MEMCR (NETX_IO_VIRT + NETX_OFS_MEMCR) #define NETX_VA_DPMAS (NETX_IO_VIRT + NETX_OFS_DPMAS) @@ -115,7 +115,7 @@ *********************************/ /* Registers */ -#define NETX_SYSTEM_REG(ofs) __io(NETX_VA_SYSTEM + (ofs)) +#define NETX_SYSTEM_REG(ofs) IOMEM(NETX_VA_SYSTEM + (ofs)) #define NETX_SYSTEM_BOO_SR NETX_SYSTEM_REG(0x00) #define NETX_SYSTEM_IOC_CR NETX_SYSTEM_REG(0x04) #define NETX_SYSTEM_IOC_MR NETX_SYSTEM_REG(0x08) @@ -185,7 +185,7 @@ *******************************/ /* Registers */ -#define NETX_GPIO_REG(ofs) __io(NETX_VA_GPIO + (ofs)) +#define NETX_GPIO_REG(ofs) IOMEM(NETX_VA_GPIO + (ofs)) #define NETX_GPIO_CFG(gpio) NETX_GPIO_REG(0x0 + ((gpio)<<2)) #define NETX_GPIO_THRESHOLD_CAPTURE(gpio) NETX_GPIO_REG(0x40 + ((gpio)<<2)) #define NETX_GPIO_COUNTER_CTRL(counter) NETX_GPIO_REG(0x80 + ((counter)<<2)) @@ -230,7 +230,7 @@ *******************************/ /* Registers */ -#define NETX_PIO_REG(ofs) __io(NETX_VA_PIO + (ofs)) +#define NETX_PIO_REG(ofs) IOMEM(NETX_VA_PIO + (ofs)) #define NETX_PIO_INPIO NETX_PIO_REG(0x0) #define NETX_PIO_OUTPIO NETX_PIO_REG(0x4) #define NETX_PIO_OEPIO NETX_PIO_REG(0x8) @@ -240,7 +240,7 @@ *******************************/ /* Registers */ -#define NETX_MIIMU __io(NETX_VA_MIIMU) +#define NETX_MIIMU IOMEM(NETX_VA_MIIMU) /* Bits */ #define MIIMU_SNRDY (1<<0) @@ -317,7 +317,7 @@ *******************************/ /* Registers */ -#define NETX_PFIFO_REG(ofs) __io(NETX_VA_PFIFO + (ofs)) +#define NETX_PFIFO_REG(ofs) IOMEM(NETX_VA_PFIFO + (ofs)) #define NETX_PFIFO_BASE(pfifo) NETX_PFIFO_REG(0x00 + ((pfifo)<<2)) #define NETX_PFIFO_BORDER_BASE(pfifo) NETX_PFIFO_REG(0x80 + ((pfifo)<<2)) #define NETX_PFIFO_RESET NETX_PFIFO_REG(0x100) @@ -328,12 +328,34 @@ #define NETX_PFIFO_FILL_LEVEL(pfifo) NETX_PFIFO_REG(0x180 + ((pfifo)<<2)) #define NETX_PFIFO_XPEC_ISR(xpec) NETX_PFIFO_REG(0x400 + ((xpec) << 2)) + +/******************************* + * Memory Controller * + *******************************/ + +/* Registers */ +#define NETX_MEMCR_REG(ofs) IOMEM(NETX_VA_MEMCR + (ofs)) +#define NETX_MEMCR_SRAM_CTRL(cs) NETX_MEMCR_REG(0x0 + 4 * (cs)) /* SRAM for CS 0..2 */ +#define NETX_MEMCR_SDRAM_CFG_CTRL NETX_MEMCR_REG(0x40) +#define NETX_MEMCR_SDRAM_TIMING_CTRL NETX_MEMCR_REG(0x44) +#define NETX_MEMCR_SDRAM_MODE NETX_MEMCR_REG(0x48) +#define NETX_MEMCR_SDRAM_EXT_MODE NETX_MEMCR_REG(0x4c) +#define NETX_MEMCR_PRIO_TIMESLOT_CTRL NETX_MEMCR_REG(0x80) +#define NETX_MEMCR_PRIO_ACCESS_CTRL NETX_MEMCR_REG(0x84) + +/* Bits */ +#define NETX_MEMCR_SRAM_CTRL_WIDTHEXTMEM(x) (((x) & 0x3) << 24) +#define NETX_MEMCR_SRAM_CTRL_WSPOSTPAUSEEXTMEM(x) (((x) & 0x3) << 16) +#define NETX_MEMCR_SRAM_CTRL_WSPREPASEEXTMEM(x) (((x) & 0x3) << 8) +#define NETX_MEMCR_SRAM_CTRL_WSEXTMEM(x) (((x) & 0x1f) << 0) + + /******************************* * Dual Port Memory * *******************************/ /* Registers */ -#define NETX_DPMAS_REG(ofs) __io(NETX_VA_DPMAS + (ofs)) +#define NETX_DPMAS_REG(ofs) IOMEM(NETX_VA_DPMAS + (ofs)) #define NETX_DPMAS_SYS_STAT NETX_DPMAS_REG(0x4d8) #define NETX_DPMAS_INT_STAT NETX_DPMAS_REG(0x4e0) #define NETX_DPMAS_INT_EN NETX_DPMAS_REG(0x4f0) @@ -403,7 +425,7 @@ /******************************* * I2C * *******************************/ -#define NETX_I2C_REG(ofs) __io(NETX_VA_I2C, (ofs)) +#define NETX_I2C_REG(ofs) IOMEM(NETX_VA_I2C, (ofs)) #define NETX_I2C_CTRL NETX_I2C_REG(0x0) #define NETX_I2C_DATA NETX_I2C_REG(0x4) diff --git a/arch/arm/mach-netx/include/mach/system.h b/arch/arm/mach-netx/include/mach/system.h deleted file mode 100644 index 27d8ef8e8e2..00000000000 --- a/arch/arm/mach-netx/include/mach/system.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/system.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __ASM_ARCH_SYSTEM_H -#define __ASM_ARCH_SYSTEM_H - -#include <asm/io.h> -#include <mach/hardware.h> -#include "netx-regs.h" - -static inline void arch_idle(void) -{ - cpu_do_idle(); -} - -static inline void arch_reset(char mode) -{ - writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES, - NETX_SYSTEM_RES_CR); -} - -#endif - diff --git a/arch/arm/mach-netx/include/mach/timex.h b/arch/arm/mach-netx/include/mach/timex.h deleted file mode 100644 index 1120dd0ba39..00000000000 --- a/arch/arm/mach-netx/include/mach/timex.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/timex.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define CLOCK_TICK_RATE 100000000 diff --git a/arch/arm/mach-netx/include/mach/uncompress.h b/arch/arm/mach-netx/include/mach/uncompress.h index 84f91284f61..5cb1051b583 100644 --- a/arch/arm/mach-netx/include/mach/uncompress.h +++ b/arch/arm/mach-netx/include/mach/uncompress.h @@ -73,4 +73,3 @@ static inline void flush(void) * nothing to do */ #define arch_decomp_setup() -#define arch_decomp_wdog() diff --git a/arch/arm/mach-netx/include/mach/vmalloc.h b/arch/arm/mach-netx/include/mach/vmalloc.h deleted file mode 100644 index 25d5cc676e0..00000000000 --- a/arch/arm/mach-netx/include/mach/vmalloc.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/vmalloc.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/arch/arm/mach-netx/nxdb500.c b/arch/arm/mach-netx/nxdb500.c index c9b174bc8cc..9b558eb3070 100644 --- a/arch/arm/mach-netx/nxdb500.c +++ b/arch/arm/mach-netx/nxdb500.c @@ -29,7 +29,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/netx-regs.h> -#include <mach/eth.h> +#include <linux/platform_data/eth-netx.h> #include "generic.h" #include "fb.h" @@ -200,11 +200,10 @@ static void __init nxdb500_init(void) } MACHINE_START(NXDB500, "Hilscher nxdb500") - .phys_io = 0x00100000, - .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc, - .boot_params = 0x80000100, + .atag_offset = 0x100, .map_io = netx_map_io, .init_irq = netx_init_irq, - .timer = &netx_timer, + .init_time = netx_timer_init, .init_machine = nxdb500_init, + .restart = netx_restart, MACHINE_END diff --git a/arch/arm/mach-netx/nxdkn.c b/arch/arm/mach-netx/nxdkn.c index 15b54c62d60..a5e86cd365e 100644 --- a/arch/arm/mach-netx/nxdkn.c +++ b/arch/arm/mach-netx/nxdkn.c @@ -29,7 +29,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/netx-regs.h> -#include <mach/eth.h> +#include <linux/platform_data/eth-netx.h> #include "generic.h" @@ -93,11 +93,10 @@ static void __init nxdkn_init(void) } MACHINE_START(NXDKN, "Hilscher nxdkn") - .phys_io = 0x00100000, - .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc, - .boot_params = 0x80000100, + .atag_offset = 0x100, .map_io = netx_map_io, .init_irq = netx_init_irq, - .timer = &netx_timer, + .init_time = netx_timer_init, .init_machine = nxdkn_init, + .restart = netx_restart, MACHINE_END diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c index 1061c01ff67..ad17885d015 100644 --- a/arch/arm/mach-netx/nxeb500hmi.c +++ b/arch/arm/mach-netx/nxeb500hmi.c @@ -29,7 +29,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/netx-regs.h> -#include <mach/eth.h> +#include <linux/platform_data/eth-netx.h> #include "generic.h" #include "fb.h" @@ -177,11 +177,10 @@ static void __init nxeb500hmi_init(void) } MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi") - .phys_io = 0x00100000, - .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc, - .boot_params = 0x80000100, + .atag_offset = 0x100, .map_io = netx_map_io, .init_irq = netx_init_irq, - .timer = &netx_timer, + .init_time = netx_timer_init, .init_machine = nxeb500hmi_init, + .restart = netx_restart, MACHINE_END diff --git a/arch/arm/mach-netx/pfifo.c b/arch/arm/mach-netx/pfifo.c index 19ae0a72bea..03984943e16 100644 --- a/arch/arm/mach-netx/pfifo.c +++ b/arch/arm/mach-netx/pfifo.c @@ -20,8 +20,8 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mutex.h> +#include <linux/io.h> -#include <asm/io.h> #include <mach/hardware.h> #include <mach/netx-regs.h> #include <mach/pfifo.h> diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c index ac8e5bfed69..5fb2a590ec1 100644 --- a/arch/arm/mach-netx/time.c +++ b/arch/arm/mach-netx/time.c @@ -21,50 +21,95 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/clocksource.h> +#include <linux/clockchips.h> +#include <linux/io.h> #include <mach/hardware.h> -#include <asm/io.h> #include <asm/mach/time.h> #include <mach/netx-regs.h> +#define NETX_CLOCK_FREQ 100000000 +#define NETX_LATCH DIV_ROUND_CLOSEST(NETX_CLOCK_FREQ, HZ) + +#define TIMER_CLOCKEVENT 0 +#define TIMER_CLOCKSOURCE 1 + +static void netx_set_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + u32 tmode; + + /* disable timer */ + writel(0, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT)); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT)); + tmode = NETX_GPIO_COUNTER_CTRL_RST_EN | + NETX_GPIO_COUNTER_CTRL_IRQ_EN | + NETX_GPIO_COUNTER_CTRL_RUN; + break; + + case CLOCK_EVT_MODE_ONESHOT: + writel(0, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT)); + tmode = NETX_GPIO_COUNTER_CTRL_IRQ_EN | + NETX_GPIO_COUNTER_CTRL_RUN; + break; + + default: + WARN(1, "%s: unhandled mode %d\n", __func__, mode); + /* fall through */ + + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_RESUME: + tmode = 0; + break; + } + + writel(tmode, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT)); +} + +static int netx_set_next_event(unsigned long evt, + struct clock_event_device *clk) +{ + writel(0 - evt, NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKEVENT)); + return 0; +} + +static struct clock_event_device netx_clockevent = { + .name = "netx-timer" __stringify(TIMER_CLOCKEVENT), + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = netx_set_next_event, + .set_mode = netx_set_mode, +}; + /* * IRQ handler for the timer */ static irqreturn_t netx_timer_interrupt(int irq, void *dev_id) { - timer_tick(); + struct clock_event_device *evt = &netx_clockevent; /* acknowledge interrupt */ writel(COUNTER_BIT(0), NETX_GPIO_IRQ); + evt->event_handler(evt); + return IRQ_HANDLED; } static struct irqaction netx_timer_irq = { - .name = "NetX Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = netx_timer_interrupt, -}; - -cycle_t netx_get_cycles(void) -{ - return readl(NETX_GPIO_COUNTER_CURRENT(1)); -} - -static struct clocksource clocksource_netx = { - .name = "netx_timer", - .rating = 200, - .read = netx_get_cycles, - .mask = CLOCKSOURCE_MASK(32), - .shift = 20, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .name = "NetX Timer Tick", + .flags = IRQF_TIMER | IRQF_IRQPOLL, + .handler = netx_timer_interrupt, }; /* * Set up timer interrupt */ -static void __init netx_timer_init(void) +void __init netx_timer_init(void) { /* disable timer initially */ writel(0, NETX_GPIO_COUNTER_CTRL(0)); @@ -72,31 +117,34 @@ static void __init netx_timer_init(void) /* Reset the timer value to zero */ writel(0, NETX_GPIO_COUNTER_CURRENT(0)); - writel(LATCH, NETX_GPIO_COUNTER_MAX(0)); + writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(0)); /* acknowledge interrupt */ writel(COUNTER_BIT(0), NETX_GPIO_IRQ); - /* Enable the interrupt in the specific timer register and start timer */ + /* Enable the interrupt in the specific timer + * register and start timer + */ writel(COUNTER_BIT(0), NETX_GPIO_IRQ_ENABLE); writel(NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN, - NETX_GPIO_COUNTER_CTRL(0)); + NETX_GPIO_COUNTER_CTRL(0)); setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq); /* Setup timer one for clocksource */ - writel(0, NETX_GPIO_COUNTER_CTRL(1)); - writel(0, NETX_GPIO_COUNTER_CURRENT(1)); - writel(0xFFFFFFFF, NETX_GPIO_COUNTER_MAX(1)); + writel(0, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE)); + writel(0, NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE)); + writel(0xffffffff, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKSOURCE)); - writel(NETX_GPIO_COUNTER_CTRL_RUN, - NETX_GPIO_COUNTER_CTRL(1)); + writel(NETX_GPIO_COUNTER_CTRL_RUN, + NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE)); - clocksource_netx.mult = - clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_netx.shift); - clocksource_register(&clocksource_netx); -} + clocksource_mmio_init(NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE), + "netx_timer", NETX_CLOCK_FREQ, 200, 32, clocksource_mmio_readl_up); -struct sys_timer netx_timer = { - .init = netx_timer_init, -}; + /* with max_delta_ns >= delta2ns(0x800) the system currently runs fine. + * Adding some safety ... */ + netx_clockevent.cpumask = cpumask_of(0); + clockevents_config_and_register(&netx_clockevent, NETX_CLOCK_FREQ, + 0xa00, 0xfffffffe); +} diff --git a/arch/arm/mach-netx/xc.c b/arch/arm/mach-netx/xc.c index 04c34e82fe6..f1c972d87ba 100644 --- a/arch/arm/mach-netx/xc.c +++ b/arch/arm/mach-netx/xc.c @@ -21,9 +21,12 @@ #include <linux/device.h> #include <linux/firmware.h> #include <linux/mutex.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/export.h> -#include <asm/io.h> #include <mach/hardware.h> +#include <mach/irqs.h> #include <mach/netx-regs.h> #include <mach/xc.h> @@ -92,10 +95,10 @@ static int xc_check_ptr(struct xc *x, unsigned long adr, unsigned int size) return -1; } -static int xc_patch(struct xc *x, void *patch, int count) +static int xc_patch(struct xc *x, const void *patch, int count) { unsigned int val, adr; - unsigned int *data = patch; + const unsigned int *data = patch; int i; for (i = 0; i < count; i++) { @@ -117,7 +120,7 @@ int xc_request_firmware(struct xc *x) struct fw_header *head; unsigned int size; int i; - void *src; + const void *src; unsigned long dst; sprintf(name, "xc%d.bin", x->no); @@ -133,7 +136,7 @@ int xc_request_firmware(struct xc *x) if (head->magic != 0x4e657458) { if (head->magic == 0x5874654e) { dev_err(x->dev, - "firmware magic is 'XteN'. Endianess problems?\n"); + "firmware magic is 'XteN'. Endianness problems?\n"); ret = -ENODEV; goto exit_release_firmware; } |