From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/mips/sni/setup.c | 263 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 263 insertions(+) create mode 100644 arch/mips/sni/setup.c (limited to 'arch/mips/sni/setup.c') diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c new file mode 100644 index 000000000..efad85c8c --- /dev/null +++ b/arch/mips/sni/setup.c @@ -0,0 +1,263 @@ +/* + * Setup pointers to hardware-dependent routines. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de) + */ +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_FW_ARC +#include +#include +#endif + +#ifdef CONFIG_FW_SNIPROM +#include +#endif + +#include +#include +#include +#include +#include + +unsigned int sni_brd_type; +EXPORT_SYMBOL(sni_brd_type); + +extern void sni_machine_restart(char *command); +extern void sni_machine_power_off(void); + +static void __init sni_display_setup(void) +{ +#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC) + struct screen_info *si = &screen_info; + DISPLAY_STATUS *di; + + di = ArcGetDisplayStatus(1); + + if (di) { + si->orig_x = di->CursorXPosition; + si->orig_y = di->CursorYPosition; + si->orig_video_cols = di->CursorMaxXPosition; + si->orig_video_lines = di->CursorMaxYPosition; + si->orig_video_isVGA = VIDEO_TYPE_VGAC; + si->orig_video_points = 16; + } +#endif +} + +static void __init sni_console_setup(void) +{ +#ifndef CONFIG_FW_ARC + char *ctype; + char *cdev; + char *baud; + int port; + static char options[8] __initdata; + + cdev = prom_getenv("console_dev"); + if (strncmp(cdev, "tty", 3) == 0) { + ctype = prom_getenv("console"); + switch (*ctype) { + default: + case 'l': + port = 0; + baud = prom_getenv("lbaud"); + break; + case 'r': + port = 1; + baud = prom_getenv("rbaud"); + break; + } + if (baud) + strcpy(options, baud); + if (strncmp(cdev, "tty552", 6) == 0) + add_preferred_console("ttyS", port, + baud ? options : NULL); + else + add_preferred_console("ttySC", port, + baud ? options : NULL); + } +#endif +} + +#ifdef DEBUG +static void __init sni_idprom_dump(void) +{ + int i; + + pr_debug("SNI IDProm dump:\n"); + for (i = 0; i < 256; i++) { + if (i%16 == 0) + pr_debug("%04x ", i); + + printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); + + if (i % 16 == 15) + printk("\n"); + } +} +#endif + +void __init plat_mem_setup(void) +{ + int cputype; + + set_io_port_base(SNI_PORT_BASE); +// ioport_resource.end = sni_io_resource.end; + + /* + * Setup (E)ISA I/O memory access stuff + */ +#ifdef CONFIG_EISA + EISA_bus = 1; +#endif + + sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE; + cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE; + switch (sni_brd_type) { + case SNI_BRD_TOWER_OASIC: + switch (cputype) { + case SNI_CPU_M8030: + system_type = "RM400-330"; + break; + case SNI_CPU_M8031: + system_type = "RM400-430"; + break; + case SNI_CPU_M8037: + system_type = "RM400-530"; + break; + case SNI_CPU_M8034: + system_type = "RM400-730"; + break; + default: + system_type = "RM400-xxx"; + break; + } + break; + case SNI_BRD_MINITOWER: + switch (cputype) { + case SNI_CPU_M8021: + case SNI_CPU_M8043: + system_type = "RM400-120"; + break; + case SNI_CPU_M8040: + system_type = "RM400-220"; + break; + case SNI_CPU_M8053: + system_type = "RM400-225"; + break; + case SNI_CPU_M8050: + system_type = "RM400-420"; + break; + default: + system_type = "RM400-xxx"; + break; + } + break; + case SNI_BRD_PCI_TOWER: + system_type = "RM400-Cxx"; + break; + case SNI_BRD_RM200: + system_type = "RM200-xxx"; + break; + case SNI_BRD_PCI_MTOWER: + system_type = "RM300-Cxx"; + break; + case SNI_BRD_PCI_DESKTOP: + switch (read_c0_prid() & PRID_IMP_MASK) { + case PRID_IMP_R4600: + case PRID_IMP_R4700: + system_type = "RM200-C20"; + break; + case PRID_IMP_R5000: + system_type = "RM200-C40"; + break; + default: + system_type = "RM200-Cxx"; + break; + } + break; + case SNI_BRD_PCI_TOWER_CPLUS: + system_type = "RM400-Exx"; + break; + case SNI_BRD_PCI_MTOWER_CPLUS: + system_type = "RM300-Exx"; + break; + } + pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type); + +#ifdef DEBUG + sni_idprom_dump(); +#endif + + switch (sni_brd_type) { + case SNI_BRD_10: + case SNI_BRD_10NEW: + case SNI_BRD_TOWER_OASIC: + case SNI_BRD_MINITOWER: + sni_a20r_init(); + break; + + case SNI_BRD_PCI_TOWER: + case SNI_BRD_PCI_TOWER_CPLUS: + sni_pcit_init(); + break; + + case SNI_BRD_RM200: + sni_rm200_init(); + break; + + case SNI_BRD_PCI_MTOWER: + case SNI_BRD_PCI_DESKTOP: + case SNI_BRD_PCI_MTOWER_CPLUS: + sni_pcimt_init(); + break; + } + + _machine_restart = sni_machine_restart; + pm_power_off = sni_machine_power_off; + + sni_display_setup(); + sni_console_setup(); +} + +#ifdef CONFIG_PCI + +#include +#include