cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-mmp/pxa168.c

/*
 *  linux/arch/arm/mach-mmp/pxa168.c
 *
 *  Code specific to PXA168
 *
 * 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.
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/clk/mmp.h>
#include <linux/platform_device.h>
#include <linux/platform_data/mv_usb.h>
#include <linux/dma-mapping.h>

#include <asm/mach/time.h>
#include <asm/system_misc.h>

#include "addr-map.h"
#include "clock.h"
#include "common.h"
#include "cputype.h"
#include "devices.h"
#include "irqs.h"
#include "mfp.h"
#include "pxa168.h"
#include "regs-apbc.h"
#include "regs-apmu.h"
#include "regs-usb.h"


#define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)


static struct mfp_addr_map pxa168_mfp_addr_map[] __initdata =
{
	MFP_ADDR_X(GPIO0,   GPIO36,  0x04c),
	MFP_ADDR_X(GPIO37,  GPIO55,  0x000),
	MFP_ADDR_X(GPIO56,  GPIO123, 0x0e0),
	MFP_ADDR_X(GPIO124, GPIO127, 0x0f4),

	MFP_ADDR_END,
};


void __init pxa168_init_irq(void) { icu_init_irq(); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Miao11100.00%1100.00%
Total11100.00%1100.00%


static int __init pxa168_init(void) { if (cpu_is_pxa168()) { mfp_init_base(MFPR_VIRT_BASE); mfp_init_addr(pxa168_mfp_addr_map); pxa168_clk_init(APB_PHYS_BASE + 0x50000, AXI_PHYS_BASE + 0x82800, APB_PHYS_BASE + 0x15000); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Eric Miao3068.18%250.00%
Arnd Bergmann1329.55%125.00%
Chao Xie12.27%125.00%
Total44100.00%4100.00%

postcore_initcall(pxa168_init); /* system timer - clock enabled, 3.25MHz */ #define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3)) #define APBC_TIMERS APBC_REG(0x34)
void __init pxa168_timer_init(void) { /* this is early, we have to initialize the CCU registers by * ourselves instead of using clk_* API. Clock rate is defined * by APBC_TIMERS_CLK_RST (3.25MHz) and enabled free-running */ __raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS); /* 3.25MHz, bus/functional clock enabled, release reset */ __raw_writel(TIMER_CLK_RST, APBC_TIMERS); timer_init(IRQ_PXA168_TIMER1); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Miao2993.55%150.00%
Chao Xie26.45%150.00%
Total31100.00%2100.00%


void pxa168_clear_keypad_wakeup(void) { uint32_t val; uint32_t mask = APMU_PXA168_KP_WAKE_CLR; /* wake event clear is needed in order to clear keypad interrupt */ val = __raw_readl(APMU_WAKE_CLR); __raw_writel(val | mask, APMU_WAKE_CLR); }

Contributors

PersonTokensPropCommitsCommitProp
Mark F. Brown32100.00%1100.00%
Total32100.00%1100.00%

/* on-chip devices */ PXA168_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4017000, 0x30, 21, 22); PXA168_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4018000, 0x30, 23, 24); PXA168_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4026000, 0x30, 23, 24); PXA168_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28); PXA168_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28); PXA168_DEVICE(pwm1, "pxa168-pwm", 0, NONE, 0xd401a000, 0x10); PXA168_DEVICE(pwm2, "pxa168-pwm", 1, NONE, 0xd401a400, 0x10); PXA168_DEVICE(pwm3, "pxa168-pwm", 2, NONE, 0xd401a800, 0x10); PXA168_DEVICE(pwm4, "pxa168-pwm", 3, NONE, 0xd401ac00, 0x10); PXA168_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99); PXA168_DEVICE(ssp1, "pxa168-ssp", 0, SSP1, 0xd401b000, 0x40, 52, 53); PXA168_DEVICE(ssp2, "pxa168-ssp", 1, SSP2, 0xd401c000, 0x40, 54, 55); PXA168_DEVICE(ssp3, "pxa168-ssp", 2, SSP3, 0xd401f000, 0x40, 56, 57); PXA168_DEVICE(ssp4, "pxa168-ssp", 3, SSP4, 0xd4020000, 0x40, 58, 59); PXA168_DEVICE(ssp5, "pxa168-ssp", 4, SSP5, 0xd4021000, 0x40, 60, 61); PXA168_DEVICE(fb, "pxa168-fb", -1, LCD, 0xd420b000, 0x1c8); PXA168_DEVICE(keypad, "pxa27x-keypad", -1, KEYPAD, 0xd4012000, 0x4c); PXA168_DEVICE(eth, "pxa168-eth", -1, MFU, 0xc0800000, 0x0fff); struct resource pxa168_resource_gpio[] = { { .start = 0xd4019000, .end = 0xd4019fff, .flags = IORESOURCE_MEM, }, { .start = IRQ_PXA168_GPIOX, .end = IRQ_PXA168_GPIOX, .name = "gpio_mux", .flags = IORESOURCE_IRQ, }, }; struct platform_device pxa168_device_gpio = { .name = "mmp-gpio", .id = -1, .num_resources = ARRAY_SIZE(pxa168_resource_gpio), .resource = pxa168_resource_gpio, }; struct resource pxa168_usb_host_resources[] = { /* USB Host conroller register base */ [0] = { .start = PXA168_U2H_REGBASE + U2x_CAPREGS_OFFSET, .end = PXA168_U2H_REGBASE + USB_REG_RANGE, .flags = IORESOURCE_MEM, .name = "capregs", }, /* USB PHY register base */ [1] = { .start = PXA168_U2H_PHYBASE, .end = PXA168_U2H_PHYBASE + USB_PHY_RANGE, .flags = IORESOURCE_MEM, .name = "phyregs", }, [2] = { .start = IRQ_PXA168_USB2, .end = IRQ_PXA168_USB2, .flags = IORESOURCE_IRQ, }, }; static u64 pxa168_usb_host_dmamask = DMA_BIT_MASK(32); struct platform_device pxa168_device_usb_host = { .name = "pxa-sph", .id = -1, .dev = { .dma_mask = &pxa168_usb_host_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .num_resources = ARRAY_SIZE(pxa168_usb_host_resources), .resource = pxa168_usb_host_resources, };
int __init pxa168_add_usb_host(struct mv_usb_platform_data *pdata) { pxa168_device_usb_host.dev.platform_data = pdata; return platform_device_register(&pxa168_device_usb_host); }

Contributors

PersonTokensPropCommitsCommitProp
Tanmay Upadhyay2596.15%150.00%
Neil Zhang13.85%150.00%
Total26100.00%2100.00%


void pxa168_restart(enum reboot_mode mode, const char *cmd) { soft_restart(0xffff0000); }

Contributors

PersonTokensPropCommitsCommitProp
Russell King1789.47%150.00%
Robin Holt210.53%150.00%
Total19100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Eric Miao29735.74%521.74%
Tanmay Upadhyay19923.95%313.04%
Haojian Zhuang19623.59%521.74%
Mark F. Brown647.70%313.04%
Arnd Bergmann303.61%28.70%
Neil Zhang172.05%14.35%
Russell King172.05%14.35%
Chao Xie70.84%14.35%
David Howells20.24%14.35%
Robin Holt20.24%14.35%
Total831100.00%23100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.