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175 lines
4.4 KiB
175 lines
4.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-mmp/mmp2.c |
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* |
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* code name MMP2 |
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* |
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* Copyright (C) 2009 Marvell International Ltd. |
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*/ |
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#include <linux/clk/mmp.h> |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/io.h> |
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#include <linux/irq.h> |
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#include <linux/irqchip/mmp.h> |
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#include <linux/platform_device.h> |
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#include <asm/hardware/cache-tauros2.h> |
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#include <asm/mach/time.h> |
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#include "addr-map.h" |
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#include "regs-apbc.h" |
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#include <linux/soc/mmp/cputype.h> |
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#include "irqs.h" |
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#include "mfp.h" |
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#include "devices.h" |
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#include "mmp2.h" |
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#include "pm-mmp2.h" |
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#include "common.h" |
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#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) |
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static struct mfp_addr_map mmp2_addr_map[] __initdata = { |
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MFP_ADDR_X(GPIO0, GPIO58, 0x54), |
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MFP_ADDR_X(GPIO59, GPIO73, 0x280), |
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MFP_ADDR_X(GPIO74, GPIO101, 0x170), |
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MFP_ADDR(GPIO102, 0x0), |
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MFP_ADDR(GPIO103, 0x4), |
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MFP_ADDR(GPIO104, 0x1fc), |
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MFP_ADDR(GPIO105, 0x1f8), |
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MFP_ADDR(GPIO106, 0x1f4), |
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MFP_ADDR(GPIO107, 0x1f0), |
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MFP_ADDR(GPIO108, 0x21c), |
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MFP_ADDR(GPIO109, 0x218), |
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MFP_ADDR(GPIO110, 0x214), |
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MFP_ADDR(GPIO111, 0x200), |
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MFP_ADDR(GPIO112, 0x244), |
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MFP_ADDR(GPIO113, 0x25c), |
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MFP_ADDR(GPIO114, 0x164), |
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MFP_ADDR_X(GPIO115, GPIO122, 0x260), |
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MFP_ADDR(GPIO123, 0x148), |
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MFP_ADDR_X(GPIO124, GPIO141, 0xc), |
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MFP_ADDR(GPIO142, 0x8), |
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MFP_ADDR_X(GPIO143, GPIO151, 0x220), |
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MFP_ADDR_X(GPIO152, GPIO153, 0x248), |
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MFP_ADDR_X(GPIO154, GPIO155, 0x254), |
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MFP_ADDR_X(GPIO156, GPIO159, 0x14c), |
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MFP_ADDR(GPIO160, 0x250), |
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MFP_ADDR(GPIO161, 0x210), |
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MFP_ADDR(GPIO162, 0x20c), |
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MFP_ADDR(GPIO163, 0x208), |
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MFP_ADDR(GPIO164, 0x204), |
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MFP_ADDR(GPIO165, 0x1ec), |
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MFP_ADDR(GPIO166, 0x1e8), |
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MFP_ADDR(GPIO167, 0x1e4), |
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MFP_ADDR(GPIO168, 0x1e0), |
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MFP_ADDR_X(TWSI1_SCL, TWSI1_SDA, 0x140), |
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MFP_ADDR_X(TWSI4_SCL, TWSI4_SDA, 0x2bc), |
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MFP_ADDR(PMIC_INT, 0x2c4), |
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MFP_ADDR(CLK_REQ, 0x160), |
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MFP_ADDR_END, |
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}; |
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void mmp2_clear_pmic_int(void) |
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{ |
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void __iomem *mfpr_pmic; |
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unsigned long data; |
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mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4; |
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data = __raw_readl(mfpr_pmic); |
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__raw_writel(data | (1 << 6), mfpr_pmic); |
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__raw_writel(data, mfpr_pmic); |
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} |
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void __init mmp2_init_irq(void) |
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{ |
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mmp2_init_icu(); |
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#ifdef CONFIG_PM |
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icu_irq_chip.irq_set_wake = mmp2_set_wake; |
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#endif |
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} |
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static int __init mmp2_init(void) |
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{ |
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if (cpu_is_mmp2()) { |
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#ifdef CONFIG_CACHE_TAUROS2 |
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tauros2_init(0); |
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#endif |
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mfp_init_base(MFPR_VIRT_BASE); |
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mfp_init_addr(mmp2_addr_map); |
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mmp2_clk_init(APB_PHYS_BASE + 0x50000, |
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AXI_PHYS_BASE + 0x82800, |
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APB_PHYS_BASE + 0x15000); |
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} |
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return 0; |
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} |
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postcore_initcall(mmp2_init); |
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#define APBC_TIMERS APBC_REG(0x024) |
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void __init mmp2_timer_init(void) |
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{ |
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unsigned long clk_rst; |
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__raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS); |
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/* |
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* enable bus/functional clock, enable 6.5MHz (divider 4), |
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* release reset |
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*/ |
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clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1); |
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__raw_writel(clk_rst, APBC_TIMERS); |
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mmp_timer_init(IRQ_MMP2_TIMER1, 6500000); |
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} |
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/* on-chip devices */ |
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MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5); |
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MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21); |
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MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23); |
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MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19); |
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MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70); |
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MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70); |
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MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70); |
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MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70); |
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MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70); |
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MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70); |
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MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29); |
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MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120); |
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MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120); |
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MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120); |
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MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120); |
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MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000); |
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/* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */ |
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MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000); |
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struct resource mmp2_resource_gpio[] = { |
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{ |
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.start = 0xd4019000, |
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.end = 0xd4019fff, |
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.flags = IORESOURCE_MEM, |
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}, { |
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.start = IRQ_MMP2_GPIO, |
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.end = IRQ_MMP2_GPIO, |
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.name = "gpio_mux", |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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struct platform_device mmp2_device_gpio = { |
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.name = "mmp2-gpio", |
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.id = -1, |
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.num_resources = ARRAY_SIZE(mmp2_resource_gpio), |
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.resource = mmp2_resource_gpio, |
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};
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