diff options
Diffstat (limited to 'arch/sh/boards/se/7751')
| -rw-r--r-- | arch/sh/boards/se/7751/Makefile | 8 | ||||
| -rw-r--r-- | arch/sh/boards/se/7751/io.c | 244 | ||||
| -rw-r--r-- | arch/sh/boards/se/7751/irq.c | 67 | ||||
| -rw-r--r-- | arch/sh/boards/se/7751/led.c | 68 | ||||
| -rw-r--r-- | arch/sh/boards/se/7751/mach.c | 55 | ||||
| -rw-r--r-- | arch/sh/boards/se/7751/pci.c | 148 | ||||
| -rw-r--r-- | arch/sh/boards/se/7751/setup.c | 228 |
7 files changed, 0 insertions, 818 deletions
diff --git a/arch/sh/boards/se/7751/Makefile b/arch/sh/boards/se/7751/Makefile deleted file mode 100644 index ce7ca247f84..00000000000 --- a/arch/sh/boards/se/7751/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for the 7751 SolutionEngine specific parts of the kernel -# - -obj-y := mach.o setup.o io.o irq.o led.o - -obj-$(CONFIG_PCI) += pci.o - diff --git a/arch/sh/boards/se/7751/io.c b/arch/sh/boards/se/7751/io.c deleted file mode 100644 index 99041b26926..00000000000 --- a/arch/sh/boards/se/7751/io.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * linux/arch/sh/kernel/io_7751se.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 SolutionEngine. - * - * Initial version only to support LAN access; some - * placeholder code from io_se.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/se7751/se7751.h> -#include <asm/addrspace.h> - -#include <linux/pci.h> -#include "../../../drivers/pci/pci-sh7751.h" - -#if 0 -/****************************************************************** - * Variables from io_se.c, related to PCMCIA (not PCI); we're not - * compiling them in, and have removed references from functions - * which follow. [Many checked for IO ports in the range bounded - * by sh_pcic_io_start/stop, and used sh_pcic_io_wbase as offset. - * As start/stop are uninitialized, only port 0x0 would match?] - * When used, remember to adjust names to avoid clash with io_se? - *****************************************************************/ -/* SH pcmcia io window base, start and end. */ -int sh_pcic_io_wbase = 0xb8400000; -int sh_pcic_io_start; -int sh_pcic_io_stop; -int sh_pcic_io_type; -int sh_pcic_io_dummy; -/*************************************************************/ -#endif - -/* - * The 7751 Solution Engine uses the built-in PCI controller (PCIC) - * of the 7751 processor, and has a SuperIO accessible via the PCI. - * The board also includes a PCMCIA controller on its memory bus, - * like the other Solution Engine boards. - */ - -#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) -#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) -#define PCI_IO_AREA SH7751_PCI_IO_BASE -#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE - -#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) - -#define maybebadio(name,port) \ - printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ - #name, (port), (__u32) __builtin_return_address(0)) - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} - -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); -#if 0 - else - return (volatile __u16 *) (PA_SUPERIO + (port << 1)); -#endif - maybebadio(name,(unsigned long)port); - return (volatile __u16*)port; -} - -#if 0 -/* The 7751 Solution Engine seems to have everything hooked */ -/* up pretty normally (nothing on high-bytes only...) so this */ -/* shouldn't be needed */ -static inline int -shifted_port(unsigned long port) -{ - /* For IDE registers, value is not shifted */ - if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) - return 0; - else - return 1; -} -#endif - -/* In case someone configures the kernel w/o PCI support: in that */ -/* scenario, don't ever bother to check for PCI-window addresses */ - -/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ -#if defined(CONFIG_PCI) -#define CHECK_SH7751_PCIIO(port) \ - ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) -#else -#define CHECK_SH7751_PCIIO(port) (0) -#endif - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char sh7751se_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else if (CHECK_SH7751_PCIIO(port)) - return *(volatile unsigned char *)PCI_IOMAP(port); - else - return (*port2adr(port))&0xff; -} - -unsigned char sh7751se_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else if (CHECK_SH7751_PCIIO(port)) - v = *(volatile unsigned char *)PCI_IOMAP(port); - else - v = (*port2adr(port))&0xff; - delay(); - return v; -} - -unsigned short sh7751se_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (CHECK_SH7751_PCIIO(port)) - return *(volatile unsigned short *)PCI_IOMAP(port); - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(inw, port); - return 0; -} - -unsigned int sh7751se_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (CHECK_SH7751_PCIIO(port)) - return *(volatile unsigned int *)PCI_IOMAP(port); - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(inl, port); - return 0; -} - -void sh7751se_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (CHECK_SH7751_PCIIO(port)) - *((unsigned char*)PCI_IOMAP(port)) = value; - else - *(port2adr(port)) = value; -} - -void sh7751se_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (CHECK_SH7751_PCIIO(port)) - *((unsigned char*)PCI_IOMAP(port)) = value; - else - *(port2adr(port)) = value; - delay(); -} - -void sh7751se_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (CHECK_SH7751_PCIIO(port)) - *((unsigned short *)PCI_IOMAP(port)) = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(outw, port); -} - -void sh7751se_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else if (CHECK_SH7751_PCIIO(port)) - *((unsigned long*)PCI_IOMAP(port)) = value; - else - maybebadio(outl, port); -} - -void sh7751se_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(insl, port); -} - -void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(outsw, port); -} - -/* Map ISA bus address to the real address. Only for PCMCIA. */ - -/* ISA page descriptor. */ -static __u32 sh_isa_memmap[256]; - -#if 0 -static int -sh_isa_mmap(__u32 start, __u32 length, __u32 offset) -{ - int idx; - - if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000)) - return -1; - - idx = start >> 12; - sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff); - printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n", - start, length, offset, idx, sh_isa_memmap[idx]); - return 0; -} -#endif - -unsigned long -sh7751se_isa_port2addr(unsigned long offset) -{ - int idx; - - idx = (offset >> 12) & 0xff; - offset &= 0xfff; - return sh_isa_memmap[idx] + offset; -} diff --git a/arch/sh/boards/se/7751/irq.c b/arch/sh/boards/se/7751/irq.c deleted file mode 100644 index ad71f3e66c1..00000000000 --- a/arch/sh/boards/se/7751/irq.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * linux/arch/sh/boards/se/7751/irq.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SolutionEngine Support. - * - * Modified for 7751 Solution Engine by - * Ian da Silva and Jeremy Siegel, 2001. - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <asm/irq.h> -#include <asm/se7751/se7751.h> - -/* - * Initialize IRQ setting - */ -void __init init_7751se_IRQ(void) -{ - - /* Leave old Solution Engine code in for reference. */ -#if defined(CONFIG_SH_SOLUTION_ENGINE) - /* - * Super I/O (Just mimic PC): - * 1: keyboard - * 3: serial 0 - * 4: serial 1 - * 5: printer - * 6: floppy - * 8: rtc - * 12: mouse - * 14: ide0 - */ - make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14); - make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12); - make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8); - make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6); - make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5); - make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4); - make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3); - make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1); - - make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */ - - make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */ - make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */ - make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */ - make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */ - - /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ - /* NOTE: #2 and #13 are not used on PC */ - make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */ - make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */ - -#elif defined(CONFIG_SH_7751_SOLUTION_ENGINE) - - make_ipr_irq(13, BCR_ILCRD, 3, 2); - - /* Add additional calls to make_ipr_irq() as drivers are added - * and tested. - */ -#endif - -} diff --git a/arch/sh/boards/se/7751/led.c b/arch/sh/boards/se/7751/led.c deleted file mode 100644 index 0c788230cf8..00000000000 --- a/arch/sh/boards/se/7751/led.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * linux/arch/sh/kernel/led_se.c - * - * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * This file contains Solution Engine specific LED code. - */ - -#include <linux/config.h> -#include <asm/se7751/se7751.h> - -static void mach_led(int position, int value) -{ - volatile unsigned short* p = (volatile unsigned short*)PA_LED; - - if (value) { - *p |= (1<<8); - } else { - *p &= ~(1<<8); - } -} - -#ifdef CONFIG_HEARTBEAT - -#include <linux/sched.h> - -/* Cycle the LED's in the clasic Knightrider/Sun pattern */ -void heartbeat_7751se(void) -{ - static unsigned int cnt = 0, period = 0; - volatile unsigned short* p = (volatile unsigned short*)PA_LED; - static unsigned bit = 0, up = 1; - - cnt += 1; - if (cnt < period) { - return; - } - - cnt = 0; - - /* Go through the points (roughly!): - * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 - */ - period = 110 - ( (300<<FSHIFT)/ - ((avenrun[0]/5) + (3<<FSHIFT)) ); - - if (up) { - if (bit == 7) { - bit--; - up=0; - } else { - bit ++; - } - } else { - if (bit == 0) { - bit++; - up=1; - } else { - bit--; - } - } - *p = 1<<(bit+8); - -} -#endif /* CONFIG_HEARTBEAT */ diff --git a/arch/sh/boards/se/7751/mach.c b/arch/sh/boards/se/7751/mach.c deleted file mode 100644 index 16d386b7e3b..00000000000 --- a/arch/sh/boards/se/7751/mach.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * linux/arch/sh/kernel/mach_7751se.c - * - * Minor tweak of mach_se.c file to reference 7751se-specific items. - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Machine vector for the Hitachi 7751 SolutionEngine - */ - -#include <linux/config.h> -#include <linux/init.h> - -#include <asm/machvec.h> -#include <asm/rtc.h> -#include <asm/machvec_init.h> - -#include <asm/se7751/io.h> - -void heartbeat_7751se(void); -void init_7751se_IRQ(void); - -/* - * The Machine Vector - */ - -struct sh_machine_vector mv_7751se __initmv = { - .mv_nr_irqs = 72, - - .mv_inb = sh7751se_inb, - .mv_inw = sh7751se_inw, - .mv_inl = sh7751se_inl, - .mv_outb = sh7751se_outb, - .mv_outw = sh7751se_outw, - .mv_outl = sh7751se_outl, - - .mv_inb_p = sh7751se_inb_p, - .mv_inw_p = sh7751se_inw, - .mv_inl_p = sh7751se_inl, - .mv_outb_p = sh7751se_outb_p, - .mv_outw_p = sh7751se_outw, - .mv_outl_p = sh7751se_outl, - - .mv_insl = sh7751se_insl, - .mv_outsl = sh7751se_outsl, - - .mv_isa_port2addr = sh7751se_isa_port2addr, - - .mv_init_irq = init_7751se_IRQ, -#ifdef CONFIG_HEARTBEAT - .mv_heartbeat = heartbeat_7751se, -#endif -}; -ALIAS_MV(7751se) diff --git a/arch/sh/boards/se/7751/pci.c b/arch/sh/boards/se/7751/pci.c deleted file mode 100644 index 1f273efd2cf..00000000000 --- a/arch/sh/boards/se/7751/pci.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * linux/arch/sh/kernel/pci-7751se.c - * - * Author: Ian DaSilva (idasilva@mvista.com) - * - * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * PCI initialization for the Hitachi SH7751 Solution Engine board (MS7751SE01) - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/pci.h> - -#include <asm/io.h> -#include "../../../drivers/pci/pci-sh7751.h" - -#define PCIMCR_MRSET_OFF 0xBFFFFFFF -#define PCIMCR_RFSH_OFF 0xFFFFFFFB - -/* - * Only long word accesses of the PCIC's internal local registers and the - * configuration registers from the CPU is supported. - */ -#define PCIC_WRITE(x,v) writel((v), PCI_REG(x)) -#define PCIC_READ(x) readl(PCI_REG(x)) - -/* - * Description: This function sets up and initializes the pcic, sets - * up the BARS, maps the DRAM into the address space etc, etc. - */ -int __init pcibios_init_platform(void) -{ - unsigned long bcr1, wcr1, wcr2, wcr3, mcr; - unsigned short bcr2; - - /* - * Initialize the slave bus controller on the pcic. The values used - * here should not be hardcoded, but they should be taken from the bsc - * on the processor, to make this function as generic as possible. - * (i.e. Another sbc may usr different SDRAM timing settings -- in order - * for the pcic to work, its settings need to be exactly the same.) - */ - bcr1 = (*(volatile unsigned long*)(SH7751_BCR1)); - bcr2 = (*(volatile unsigned short*)(SH7751_BCR2)); - wcr1 = (*(volatile unsigned long*)(SH7751_WCR1)); - wcr2 = (*(volatile unsigned long*)(SH7751_WCR2)); - wcr3 = (*(volatile unsigned long*)(SH7751_WCR3)); - mcr = (*(volatile unsigned long*)(SH7751_MCR)); - - bcr1 = bcr1 | 0x00080000; /* Enable Bit 19, BREQEN */ - (*(volatile unsigned long*)(SH7751_BCR1)) = bcr1; - - bcr1 = bcr1 | 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */ - PCIC_WRITE(SH7751_PCIBCR1, bcr1); /* PCIC BCR1 */ - PCIC_WRITE(SH7751_PCIBCR2, bcr2); /* PCIC BCR2 */ - PCIC_WRITE(SH7751_PCIWCR1, wcr1); /* PCIC WCR1 */ - PCIC_WRITE(SH7751_PCIWCR2, wcr2); /* PCIC WCR2 */ - PCIC_WRITE(SH7751_PCIWCR3, wcr3); /* PCIC WCR3 */ - mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF; - PCIC_WRITE(SH7751_PCIMCR, mcr); /* PCIC MCR */ - - - /* Enable all interrupts, so we know what to fix */ - PCIC_WRITE(SH7751_PCIINTM, 0x0000c3ff); - PCIC_WRITE(SH7751_PCIAINTM, 0x0000380f); - - /* Set up standard PCI config registers */ - PCIC_WRITE(SH7751_PCICONF1, 0xF39000C7); /* Bus Master, Mem & I/O access */ - PCIC_WRITE(SH7751_PCICONF2, 0x00000000); /* PCI Class code & Revision ID */ - PCIC_WRITE(SH7751_PCICONF4, 0xab000001); /* PCI I/O address (local regs) */ - PCIC_WRITE(SH7751_PCICONF5, 0x0c000000); /* PCI MEM address (local RAM) */ - PCIC_WRITE(SH7751_PCICONF6, 0xd0000000); /* PCI MEM address (unused) */ - PCIC_WRITE(SH7751_PCICONF11, 0x35051054); /* PCI Subsystem ID & Vendor ID */ - PCIC_WRITE(SH7751_PCILSR0, 0x03f00000); /* MEM (full 64M exposed) */ - PCIC_WRITE(SH7751_PCILSR1, 0x00000000); /* MEM (unused) */ - PCIC_WRITE(SH7751_PCILAR0, 0x0c000000); /* MEM (direct map from PCI) */ - PCIC_WRITE(SH7751_PCILAR1, 0x00000000); /* MEM (unused) */ - - /* Now turn it on... */ - PCIC_WRITE(SH7751_PCICR, 0xa5000001); - - /* - * Set PCIMBR and PCIIOBR here, assuming a single window - * (16M MEM, 256K IO) is enough. If a larger space is - * needed, the readx/writex and inx/outx functions will - * have to do more (e.g. setting registers for each call). - */ - - /* - * Set the MBR so PCI address is one-to-one with window, - * meaning all calls go straight through... use BUG_ON to - * catch erroneous assumption. - */ - BUG_ON(PCIBIOS_MIN_MEM != SH7751_PCI_MEMORY_BASE); - - PCIC_WRITE(SH7751_PCIMBR, PCIBIOS_MIN_MEM); - - /* Set IOBR for window containing area specified in pci.h */ - PCIC_WRITE(SH7751_PCIIOBR, (PCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK)); - - /* All done, may as well say so... */ - printk("SH7751 PCI: Finished initialization of the PCI controller\n"); - - return 1; -} - -int __init pcibios_map_platform_irq(u8 slot, u8 pin) -{ - switch (slot) { - case 0: return 13; - case 1: return 13; /* AMD Ethernet controller */ - case 2: return -1; - case 3: return -1; - case 4: return -1; - default: - printk("PCI: Bad IRQ mapping request for slot %d\n", slot); - return -1; - } -} - -static struct resource sh7751_io_resource = { - .name = "SH7751 IO", - .start = SH7751_PCI_IO_BASE, - .end = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1, - .flags = IORESOURCE_IO -}; - -static struct resource sh7751_mem_resource = { - .name = "SH7751 mem", - .start = SH7751_PCI_MEMORY_BASE, - .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1, - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops sh7751_pci_ops; - -struct pci_channel board_pci_channels[] = { - { &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff }, - { NULL, NULL, NULL, 0, 0 }, -}; - diff --git a/arch/sh/boards/se/7751/setup.c b/arch/sh/boards/se/7751/setup.c deleted file mode 100644 index 9d111bb884f..00000000000 --- a/arch/sh/boards/se/7751/setup.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * linux/arch/sh/kernel/setup_7751se.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SolutionEngine Support. - * - * Modified for 7751 Solution Engine by - * Ian da Silva and Jeremy Siegel, 2001. - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/irq.h> - -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <asm/io.h> -#include <asm/se7751/se7751.h> - -#ifdef CONFIG_SH_KGDB -#include <asm/kgdb.h> -#endif - -/* - * Configure the Super I/O chip - */ -#if 0 -/* Leftover code from regular Solution Engine, for reference. */ -/* The SH7751 Solution Engine has a different SuperIO. */ -static void __init smsc_config(int index, int data) -{ - outb_p(index, INDEX_PORT); - outb_p(data, DATA_PORT); -} - -static void __init init_smsc(void) -{ - outb_p(CONFIG_ENTER, CONFIG_PORT); - outb_p(CONFIG_ENTER, CONFIG_PORT); - - /* FDC */ - smsc_config(CURRENT_LDN_INDEX, LDN_FDC); - smsc_config(ACTIVATE_INDEX, 0x01); - smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */ - - /* IDE1 */ - smsc_config(CURRENT_LDN_INDEX, LDN_IDE1); - smsc_config(ACTIVATE_INDEX, 0x01); - smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */ - - /* AUXIO (GPIO): to use IDE1 */ - smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO); - smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */ - smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */ - - /* COM1 */ - smsc_config(CURRENT_LDN_INDEX, LDN_COM1); - smsc_config(ACTIVATE_INDEX, 0x01); - smsc_config(IO_BASE_HI_INDEX, 0x03); - smsc_config(IO_BASE_LO_INDEX, 0xf8); - smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */ - - /* COM2 */ - smsc_config(CURRENT_LDN_INDEX, LDN_COM2); - smsc_config(ACTIVATE_INDEX, 0x01); - smsc_config(IO_BASE_HI_INDEX, 0x02); - smsc_config(IO_BASE_LO_INDEX, 0xf8); - smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */ - - /* RTC */ - smsc_config(CURRENT_LDN_INDEX, LDN_RTC); - smsc_config(ACTIVATE_INDEX, 0x01); - smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */ - - /* XXX: PARPORT, KBD, and MOUSE will come here... */ - outb_p(CONFIG_EXIT, CONFIG_PORT); -} -#endif - -const char *get_system_type(void) -{ - return "7751 SolutionEngine"; -} - -#ifdef CONFIG_SH_KGDB -static int kgdb_uart_setup(void); -static struct kgdb_sermap kgdb_uart_sermap = -{ "ttyS", 0, kgdb_uart_setup, NULL }; -#endif - -/* - * Initialize the board - */ -void __init platform_setup(void) -{ - /* Call init_smsc() replacement to set up SuperIO. */ - /* XXX: RTC setting comes here */ -#ifdef CONFIG_SH_KGDB - kgdb_register_sermap(&kgdb_uart_sermap); -#endif -} - -/********************************************************************* - * Currently a hack (e.g. does not interact well w/serial.c, lots of * - * hardcoded stuff) but may be useful if SCI/F needs debugging. * - * Mostly copied from x86 code (see files asm-i386/kgdb_local.h and * - * arch/i386/lib/kgdb_serial.c). * - *********************************************************************/ - -#ifdef CONFIG_SH_KGDB -#include <linux/types.h> -#include <linux/serial.h> -#include <linux/serialP.h> -#include <linux/serial_reg.h> - -#define COM1_PORT 0x3f8 /* Base I/O address */ -#define COM1_IRQ 4 /* IRQ not used yet */ -#define COM2_PORT 0x2f8 /* Base I/O address */ -#define COM2_IRQ 3 /* IRQ not used yet */ - -#define SB_CLOCK 1843200 /* Serial baud clock */ -#define SB_BASE (SB_CLOCK/16) -#define SB_MCR UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS - -struct uart_port { - int base; -}; -#define UART_NPORTS 2 -struct uart_port uart_ports[] = { - { COM1_PORT }, - { COM2_PORT }, -}; -struct uart_port *kgdb_uart_port; - -#define UART_IN(reg) inb_p(kgdb_uart_port->base + reg) -#define UART_OUT(reg,v) outb_p((v), kgdb_uart_port->base + reg) - -/* Basic read/write functions for the UART */ -#define UART_LSR_RXCERR (UART_LSR_BI | UART_LSR_FE | UART_LSR_PE) -static int kgdb_uart_getchar(void) -{ - int lsr; - int c = -1; - - while (c == -1) { - lsr = UART_IN(UART_LSR); - if (lsr & UART_LSR_DR) - c = UART_IN(UART_RX); - if ((lsr & UART_LSR_RXCERR)) - c = -1; - } - return c; -} - -static void kgdb_uart_putchar(int c) -{ - while ((UART_IN(UART_LSR) & UART_LSR_THRE) == 0) - ; - UART_OUT(UART_TX, c); -} - -/* - * Initialize UART to configured/requested values. - * (But we don't interrupts yet, or interact w/serial.c) - */ -static int kgdb_uart_setup(void) -{ - int port; - int lcr = 0; - int bdiv = 0; - - if (kgdb_portnum >= UART_NPORTS) { - KGDB_PRINTK("uart port %d invalid.\n", kgdb_portnum); - return -1; - } - - kgdb_uart_port = &uart_ports[kgdb_portnum]; - - /* Init sequence from gdb_hook_interrupt */ - UART_IN(UART_RX); - UART_OUT(UART_IER, 0); - - UART_IN(UART_RX); /* Serial driver comments say */ - UART_IN(UART_IIR); /* this clears interrupt regs */ - UART_IN(UART_MSR); - - /* Figure basic LCR values */ - switch (kgdb_bits) { - case '7': - lcr |= UART_LCR_WLEN7; - break; - default: case '8': - lcr |= UART_LCR_WLEN8; - break; - } - switch (kgdb_parity) { - case 'O': - lcr |= UART_LCR_PARITY; - break; - case 'E': - lcr |= (UART_LCR_PARITY | UART_LCR_EPAR); - break; - default: break; - } - - /* Figure the baud rate divisor */ - bdiv = (SB_BASE/kgdb_baud); - - /* Set the baud rate and LCR values */ - UART_OUT(UART_LCR, (lcr | UART_LCR_DLAB)); - UART_OUT(UART_DLL, (bdiv & 0xff)); - UART_OUT(UART_DLM, ((bdiv >> 8) & 0xff)); - UART_OUT(UART_LCR, lcr); - - /* Set the MCR */ - UART_OUT(UART_MCR, SB_MCR); - - /* Turn off FIFOs for now */ - UART_OUT(UART_FCR, 0); - - /* Setup complete: initialize function pointers */ - kgdb_getchar = kgdb_uart_getchar; - kgdb_putchar = kgdb_uart_putchar; - - return 0; -} -#endif /* CONFIG_SH_KGDB */ |