^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/arch/arm/mach-ep93xx/micro9.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Manfred Gruber <m.gruber@tirol.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Hubert Feurstein <hubert.feurstein@contec.at>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "hardware.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "soc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /*************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * Micro9 NOR Flash
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Micro9-High has up to 64MB of 32-bit flash on CS1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * Micro9-Lite uses a separate MTD map driver for flash support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) *************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static unsigned int __init micro9_detect_bootwidth(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u32 v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* Detect the bus width of the external flash memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) v = __raw_readl(EP93XX_SYSCON_SYSCFG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (v & EP93XX_SYSCON_SYSCFG_LCSN7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return 4; /* 32-bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return 2; /* 16-bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static void __init micro9_register_flash(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned int width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (machine_is_micro9())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) width = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) else if (machine_is_micro9m() || machine_is_micro9s())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) width = micro9_detect_bootwidth();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) width = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ep93xx_register_flash(width, EP93XX_CS1_PHYS_BASE, SZ_64M);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /*************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * Micro9 Ethernet
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) *************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct ep93xx_eth_data __initdata micro9_eth_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .phy_id = 0x1f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static void __init micro9_init_machine(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) ep93xx_init_devices();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ep93xx_register_eth(µ9_eth_data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) micro9_register_flash();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #ifdef CONFIG_MACH_MICRO9H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MACHINE_START(MICRO9, "Contec Micro9-High")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .map_io = ep93xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .init_irq = ep93xx_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .init_time = ep93xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .init_machine = micro9_init_machine,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .init_late = ep93xx_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .restart = ep93xx_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #ifdef CONFIG_MACH_MICRO9M
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) MACHINE_START(MICRO9M, "Contec Micro9-Mid")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .map_io = ep93xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .init_irq = ep93xx_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .init_time = ep93xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .init_machine = micro9_init_machine,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .init_late = ep93xx_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .restart = ep93xx_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #ifdef CONFIG_MACH_MICRO9L
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) MACHINE_START(MICRO9L, "Contec Micro9-Lite")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .map_io = ep93xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .init_irq = ep93xx_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .init_time = ep93xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .init_machine = micro9_init_machine,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .init_late = ep93xx_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .restart = ep93xx_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #ifdef CONFIG_MACH_MICRO9S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) MACHINE_START(MICRO9S, "Contec Micro9-Slim")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .map_io = ep93xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .init_irq = ep93xx_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .init_time = ep93xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .init_machine = micro9_init_machine,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .init_late = ep93xx_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .restart = ep93xx_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #endif