rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * linux/arch/arm/mach-mmp/mmp2.c |
| 3 | * |
| 4 | * code name MMP2 |
| 5 | * |
| 6 | * Copyright (C) 2009 Marvell International Ltd. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | #include <linux/clk/mmp.h> |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/io.h> |
| 17 | #include <linux/irq.h> |
| 18 | #include <linux/irqchip/mmp.h> |
| 19 | #include <linux/platform_device.h> |
| 20 | |
| 21 | #include <asm/hardware/cache-tauros2.h> |
| 22 | |
| 23 | #include <asm/mach/time.h> |
| 24 | #include "addr-map.h" |
| 25 | #include "regs-apbc.h" |
| 26 | #include "cputype.h" |
| 27 | #include "irqs.h" |
| 28 | #include "mfp.h" |
| 29 | #include "devices.h" |
| 30 | #include "mmp2.h" |
| 31 | #include "pm-mmp2.h" |
| 32 | |
| 33 | #include "common.h" |
| 34 | |
| 35 | #define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) |
| 36 | |
| 37 | static struct mfp_addr_map mmp2_addr_map[] __initdata = { |
| 38 | |
| 39 | MFP_ADDR_X(GPIO0, GPIO58, 0x54), |
| 40 | MFP_ADDR_X(GPIO59, GPIO73, 0x280), |
| 41 | MFP_ADDR_X(GPIO74, GPIO101, 0x170), |
| 42 | |
| 43 | MFP_ADDR(GPIO102, 0x0), |
| 44 | MFP_ADDR(GPIO103, 0x4), |
| 45 | MFP_ADDR(GPIO104, 0x1fc), |
| 46 | MFP_ADDR(GPIO105, 0x1f8), |
| 47 | MFP_ADDR(GPIO106, 0x1f4), |
| 48 | MFP_ADDR(GPIO107, 0x1f0), |
| 49 | MFP_ADDR(GPIO108, 0x21c), |
| 50 | MFP_ADDR(GPIO109, 0x218), |
| 51 | MFP_ADDR(GPIO110, 0x214), |
| 52 | MFP_ADDR(GPIO111, 0x200), |
| 53 | MFP_ADDR(GPIO112, 0x244), |
| 54 | MFP_ADDR(GPIO113, 0x25c), |
| 55 | MFP_ADDR(GPIO114, 0x164), |
| 56 | MFP_ADDR_X(GPIO115, GPIO122, 0x260), |
| 57 | |
| 58 | MFP_ADDR(GPIO123, 0x148), |
| 59 | MFP_ADDR_X(GPIO124, GPIO141, 0xc), |
| 60 | |
| 61 | MFP_ADDR(GPIO142, 0x8), |
| 62 | MFP_ADDR_X(GPIO143, GPIO151, 0x220), |
| 63 | MFP_ADDR_X(GPIO152, GPIO153, 0x248), |
| 64 | MFP_ADDR_X(GPIO154, GPIO155, 0x254), |
| 65 | MFP_ADDR_X(GPIO156, GPIO159, 0x14c), |
| 66 | |
| 67 | MFP_ADDR(GPIO160, 0x250), |
| 68 | MFP_ADDR(GPIO161, 0x210), |
| 69 | MFP_ADDR(GPIO162, 0x20c), |
| 70 | MFP_ADDR(GPIO163, 0x208), |
| 71 | MFP_ADDR(GPIO164, 0x204), |
| 72 | MFP_ADDR(GPIO165, 0x1ec), |
| 73 | MFP_ADDR(GPIO166, 0x1e8), |
| 74 | MFP_ADDR(GPIO167, 0x1e4), |
| 75 | MFP_ADDR(GPIO168, 0x1e0), |
| 76 | |
| 77 | MFP_ADDR_X(TWSI1_SCL, TWSI1_SDA, 0x140), |
| 78 | MFP_ADDR_X(TWSI4_SCL, TWSI4_SDA, 0x2bc), |
| 79 | |
| 80 | MFP_ADDR(PMIC_INT, 0x2c4), |
| 81 | MFP_ADDR(CLK_REQ, 0x160), |
| 82 | |
| 83 | MFP_ADDR_END, |
| 84 | }; |
| 85 | |
| 86 | void mmp2_clear_pmic_int(void) |
| 87 | { |
| 88 | void __iomem *mfpr_pmic; |
| 89 | unsigned long data; |
| 90 | |
| 91 | mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4; |
| 92 | data = __raw_readl(mfpr_pmic); |
| 93 | __raw_writel(data | (1 << 6), mfpr_pmic); |
| 94 | __raw_writel(data, mfpr_pmic); |
| 95 | } |
| 96 | |
| 97 | void __init mmp2_init_irq(void) |
| 98 | { |
| 99 | mmp2_init_icu(); |
| 100 | #ifdef CONFIG_PM |
| 101 | icu_irq_chip.irq_set_wake = mmp2_set_wake; |
| 102 | #endif |
| 103 | } |
| 104 | |
| 105 | static int __init mmp2_init(void) |
| 106 | { |
| 107 | if (cpu_is_mmp2()) { |
| 108 | #ifdef CONFIG_CACHE_TAUROS2 |
| 109 | tauros2_init(0); |
| 110 | #endif |
| 111 | mfp_init_base(MFPR_VIRT_BASE); |
| 112 | mfp_init_addr(mmp2_addr_map); |
| 113 | mmp2_clk_init(APB_PHYS_BASE + 0x50000, |
| 114 | AXI_PHYS_BASE + 0x82800, |
| 115 | APB_PHYS_BASE + 0x15000); |
| 116 | } |
| 117 | |
| 118 | return 0; |
| 119 | } |
| 120 | postcore_initcall(mmp2_init); |
| 121 | |
| 122 | #define APBC_TIMERS APBC_REG(0x024) |
| 123 | |
| 124 | void __init mmp2_timer_init(void) |
| 125 | { |
| 126 | unsigned long clk_rst; |
| 127 | |
| 128 | __raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS); |
| 129 | |
| 130 | /* |
| 131 | * enable bus/functional clock, enable 6.5MHz (divider 4), |
| 132 | * release reset |
| 133 | */ |
| 134 | clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1); |
| 135 | __raw_writel(clk_rst, APBC_TIMERS); |
| 136 | |
| 137 | timer_init(IRQ_MMP2_TIMER1); |
| 138 | } |
| 139 | |
| 140 | /* on-chip devices */ |
| 141 | MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5); |
| 142 | MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21); |
| 143 | MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23); |
| 144 | MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19); |
| 145 | MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70); |
| 146 | MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70); |
| 147 | MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70); |
| 148 | MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70); |
| 149 | MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70); |
| 150 | MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70); |
| 151 | MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29); |
| 152 | MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120); |
| 153 | MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120); |
| 154 | MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120); |
| 155 | MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120); |
| 156 | MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000); |
| 157 | /* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */ |
| 158 | MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000); |
| 159 | |
| 160 | struct resource mmp2_resource_gpio[] = { |
| 161 | { |
| 162 | .start = 0xd4019000, |
| 163 | .end = 0xd4019fff, |
| 164 | .flags = IORESOURCE_MEM, |
| 165 | }, { |
| 166 | .start = IRQ_MMP2_GPIO, |
| 167 | .end = IRQ_MMP2_GPIO, |
| 168 | .name = "gpio_mux", |
| 169 | .flags = IORESOURCE_IRQ, |
| 170 | }, |
| 171 | }; |
| 172 | |
| 173 | struct platform_device mmp2_device_gpio = { |
| 174 | .name = "mmp2-gpio", |
| 175 | .id = -1, |
| 176 | .num_resources = ARRAY_SIZE(mmp2_resource_gpio), |
| 177 | .resource = mmp2_resource_gpio, |
| 178 | }; |