110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright STMicroelectronics, 2007.
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/amba/bus.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/slab.h>
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#include <linux/irq.h>
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#include <linux/dma-mapping.h>
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#include <linux/of_irq.h>
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#include <linux/of_address.h>
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#include <linux/of_platform.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/mach-types.h>
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#include <asm/cacheflush.h>
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#include <asm/hardware/cache-l2x0.h>
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/*
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* These are the only hard-coded address offsets we still have to use.
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*/
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#define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */
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#define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */
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#define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */
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#define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */
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#define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */
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#define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */
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#define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */
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#define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */
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#define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */
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#define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */
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#define NOMADIK_XTI_BASE 0x101A0000 /* XTI */
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#define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */
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#define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */
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#define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */
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#define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */
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#define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */
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#define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */
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#define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */
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#define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */
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#define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */
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#define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */
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#define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */
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#define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */
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#define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */
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#define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */
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#define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */
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#define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */
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#define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */
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#define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */
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#define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */
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#define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */
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#define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */
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#define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */
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#define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */
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#define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */
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#define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */
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#define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */
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#define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */
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#define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */
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#define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */
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#define NOMADIK_UART1_VBASE 0xF01FB000
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/* This is needed for LL-debug/earlyprintk/debug-macro.S */
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static struct map_desc cpu8815_io_desc[] __initdata = {
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{
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.virtual = NOMADIK_UART1_VBASE,
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.pfn = __phys_to_pfn(NOMADIK_UART1_BASE),
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.length = SZ_4K,
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.type = MT_DEVICE,
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},
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};
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static void __init cpu8815_map_io(void)
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{
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iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc));
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}
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static void cpu8815_restart(enum reboot_mode mode, const char *cmd)
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{
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void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K);
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/* FIXME: use egpio when implemented */
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/* Write anything to Reset status register */
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writel(1, srcbase + 0x18);
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}
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static const char * cpu8815_board_compat[] = {
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"st,nomadik-nhk-15",
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"calaosystems,usb-s8815",
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NULL,
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};
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DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
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.l2c_aux_val = 0,
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.l2c_aux_mask = ~0,
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.map_io = cpu8815_map_io,
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.restart = cpu8815_restart,
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.dt_compat = cpu8815_board_compat,
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MACHINE_END
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