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190 lines
4.6 KiB
190 lines
4.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-mmp/pxa910.c |
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* |
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* Code specific to PXA910 |
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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/list.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 "pm-pxa910.h" |
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#include "pxa910.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 pxa910_mfp_addr_map[] __initdata = |
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{ |
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MFP_ADDR_X(GPIO0, GPIO54, 0xdc), |
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MFP_ADDR_X(GPIO67, GPIO98, 0x1b8), |
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MFP_ADDR_X(GPIO100, GPIO109, 0x238), |
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MFP_ADDR(GPIO123, 0xcc), |
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MFP_ADDR(GPIO124, 0xd0), |
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MFP_ADDR(DF_IO0, 0x40), |
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MFP_ADDR(DF_IO1, 0x3c), |
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MFP_ADDR(DF_IO2, 0x38), |
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MFP_ADDR(DF_IO3, 0x34), |
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MFP_ADDR(DF_IO4, 0x30), |
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MFP_ADDR(DF_IO5, 0x2c), |
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MFP_ADDR(DF_IO6, 0x28), |
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MFP_ADDR(DF_IO7, 0x24), |
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MFP_ADDR(DF_IO8, 0x20), |
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MFP_ADDR(DF_IO9, 0x1c), |
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MFP_ADDR(DF_IO10, 0x18), |
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MFP_ADDR(DF_IO11, 0x14), |
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MFP_ADDR(DF_IO12, 0x10), |
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MFP_ADDR(DF_IO13, 0xc), |
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MFP_ADDR(DF_IO14, 0x8), |
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MFP_ADDR(DF_IO15, 0x4), |
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MFP_ADDR(DF_nCS0_SM_nCS2, 0x44), |
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MFP_ADDR(DF_nCS1_SM_nCS3, 0x48), |
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MFP_ADDR(SM_nCS0, 0x4c), |
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MFP_ADDR(SM_nCS1, 0x50), |
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MFP_ADDR(DF_WEn, 0x54), |
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MFP_ADDR(DF_REn, 0x58), |
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MFP_ADDR(DF_CLE_SM_OEn, 0x5c), |
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MFP_ADDR(DF_ALE_SM_WEn, 0x60), |
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MFP_ADDR(SM_SCLK, 0x64), |
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MFP_ADDR(DF_RDY0, 0x68), |
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MFP_ADDR(SM_BE0, 0x6c), |
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MFP_ADDR(SM_BE1, 0x70), |
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MFP_ADDR(SM_ADV, 0x74), |
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MFP_ADDR(DF_RDY1, 0x78), |
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MFP_ADDR(SM_ADVMUX, 0x7c), |
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MFP_ADDR(SM_RDY, 0x80), |
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MFP_ADDR_X(MMC1_DAT7, MMC1_WP, 0x84), |
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MFP_ADDR_END, |
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}; |
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void __init pxa910_init_irq(void) |
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{ |
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icu_init_irq(); |
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#ifdef CONFIG_PM |
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icu_irq_chip.irq_set_wake = pxa910_set_wake; |
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#endif |
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} |
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static int __init pxa910_init(void) |
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{ |
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if (cpu_is_pxa910()) { |
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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(pxa910_mfp_addr_map); |
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pxa910_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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APB_PHYS_BASE + 0x3b000); |
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} |
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return 0; |
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} |
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postcore_initcall(pxa910_init); |
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/* system timer - clock enabled, 3.25MHz */ |
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#define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3)) |
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#define APBC_TIMERS APBC_REG(0x34) |
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void __init pxa910_timer_init(void) |
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{ |
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/* reset and configure */ |
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__raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS); |
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__raw_writel(TIMER_CLK_RST, APBC_TIMERS); |
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mmp_timer_init(IRQ_PXA910_AP1_TIMER1, 3250000); |
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} |
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/* on-chip devices */ |
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/* NOTE: there are totally 3 UARTs on PXA910: |
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* |
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* UART1 - Slow UART (can be used both by AP and CP) |
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* UART2/3 - Fast UART |
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* |
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* To be backward compatible with the legacy FFUART/BTUART/STUART sequence, |
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* they are re-ordered as: |
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* |
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* pxa910_device_uart1 - UART2 as FFUART |
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* pxa910_device_uart2 - UART3 as BTUART |
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* |
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* UART1 is not used by AP for the moment. |
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*/ |
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PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22); |
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PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24); |
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PXA910_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28); |
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PXA910_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28); |
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PXA910_DEVICE(pwm1, "pxa910-pwm", 0, NONE, 0xd401a000, 0x10); |
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PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10); |
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PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10); |
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PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10); |
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PXA910_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99); |
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PXA910_DEVICE(disp, "mmp-disp", 0, LCD, 0xd420b000, 0x1ec); |
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PXA910_DEVICE(fb, "mmp-fb", -1, NONE, 0, 0); |
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PXA910_DEVICE(panel, "tpo-hvga", -1, NONE, 0, 0); |
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struct resource pxa910_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_PXA910_AP_GPIO, |
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.end = IRQ_PXA910_AP_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 pxa910_device_gpio = { |
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.name = "mmp-gpio", |
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.id = -1, |
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.num_resources = ARRAY_SIZE(pxa910_resource_gpio), |
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.resource = pxa910_resource_gpio, |
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}; |
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static struct resource pxa910_resource_rtc[] = { |
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{ |
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.start = 0xd4010000, |
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.end = 0xd401003f, |
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.flags = IORESOURCE_MEM, |
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}, { |
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.start = IRQ_PXA910_RTC_INT, |
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.end = IRQ_PXA910_RTC_INT, |
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.name = "rtc 1Hz", |
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.flags = IORESOURCE_IRQ, |
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}, { |
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.start = IRQ_PXA910_RTC_ALARM, |
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.end = IRQ_PXA910_RTC_ALARM, |
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.name = "rtc alarm", |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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struct platform_device pxa910_device_rtc = { |
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.name = "sa1100-rtc", |
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.id = -1, |
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.num_resources = ARRAY_SIZE(pxa910_resource_rtc), |
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.resource = pxa910_resource_rtc, |
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};
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