mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 16:54:20 +08:00
16144bfb83
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
|
|
* linux/arch/arm/mach-mmp/mmp2.c
|
|
*
|
|
* code name MMP2
|
|
*
|
|
* Copyright (C) 2009 Marvell International Ltd.
|
|
*
|
|
* 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/io.h>
|
|
|
|
#include <mach/addr-map.h>
|
|
#include <mach/regs-apbc.h>
|
|
#include <mach/regs-apmu.h>
|
|
#include <mach/cputype.h>
|
|
#include <mach/irqs.h>
|
|
#include <mach/mfp.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/devices.h>
|
|
|
|
#include "common.h"
|
|
#include "clock.h"
|
|
|
|
#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)
|
|
|
|
#define APMASK(i) (GPIO_REGS_VIRT + BANK_OFF(i) + 0x9c)
|
|
|
|
static struct mfp_addr_map mmp2_addr_map[] __initdata = {
|
|
MFP_ADDR(PMIC_INT, 0x2c4),
|
|
|
|
MFP_ADDR_END,
|
|
};
|
|
|
|
static void __init mmp2_init_gpio(void)
|
|
{
|
|
int i;
|
|
|
|
/* enable GPIO clock */
|
|
__raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_MMP2_GPIO);
|
|
|
|
/* unmask GPIO edge detection for all 6 banks -- APMASKx */
|
|
for (i = 0; i < 6; i++)
|
|
__raw_writel(0xffffffff, APMASK(i));
|
|
|
|
pxa_init_gpio(IRQ_MMP2_GPIO, 0, 167, NULL);
|
|
}
|
|
|
|
void __init mmp2_init_irq(void)
|
|
{
|
|
mmp2_init_icu();
|
|
mmp2_init_gpio();
|
|
}
|
|
|
|
/* APB peripheral clocks */
|
|
static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
|
|
static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
|
|
static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
|
|
static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
|
|
static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
|
|
static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
|
|
static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
|
|
static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
|
|
static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
|
|
static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
|
|
static APBC_CLK(rtc, MMP2_RTC, 0, 32768);
|
|
|
|
static APMU_CLK(nand, NAND, 0xbf, 100000000);
|
|
|
|
static struct clk_lookup mmp2_clkregs[] = {
|
|
INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
|
|
INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
|
|
INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
|
|
INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
|
|
INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
|
|
INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
|
|
INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
|
|
INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
|
|
INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
|
|
INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
|
|
INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
|
|
};
|
|
|
|
static int __init mmp2_init(void)
|
|
{
|
|
if (cpu_is_mmp2()) {
|
|
mfp_init_base(MFPR_VIRT_BASE);
|
|
mfp_init_addr(mmp2_addr_map);
|
|
clks_register(ARRAY_AND_SIZE(mmp2_clkregs));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
postcore_initcall(mmp2_init);
|
|
|
|
/* on-chip devices */
|
|
MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
|
|
MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
|
|
MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
|
|
MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
|
|
MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
|
|
MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
|
|
MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
|
|
MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
|
|
MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
|
|
MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
|
|
MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
|
|
|