diff options
Diffstat (limited to 'arch/sh/boards/mach-se/770x')
| -rw-r--r-- | arch/sh/boards/mach-se/770x/Makefile | 5 | ||||
| -rw-r--r-- | arch/sh/boards/mach-se/770x/io.c | 156 | ||||
| -rw-r--r-- | arch/sh/boards/mach-se/770x/irq.c | 108 | ||||
| -rw-r--r-- | arch/sh/boards/mach-se/770x/setup.c | 222 |
4 files changed, 491 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/770x/Makefile b/arch/sh/boards/mach-se/770x/Makefile new file mode 100644 index 0000000..8e624b0 --- /dev/null +++ b/arch/sh/boards/mach-se/770x/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the 770x SolutionEngine specific parts of the kernel +# + +obj-y := setup.o io.o irq.o diff --git a/arch/sh/boards/mach-se/770x/io.c b/arch/sh/boards/mach-se/770x/io.c new file mode 100644 index 0000000..28833c8 --- /dev/null +++ b/arch/sh/boards/mach-se/770x/io.c @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2000 Kazumoto Kojima + * + * I/O routine for Hitachi SolutionEngine. + */ +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <mach-se/mach/se.h> + +/* MS7750 requires special versions of in*, out* routines, since + PC-like io ports are located at upper half byte of 16-bit word which + can be accessed only with 16-bit wide. */ + +static inline volatile __u16 * +port2adr(unsigned int port) +{ + if (port & 0xff000000) + return ( volatile __u16 *) port; + if (port >= 0x2000) + return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); + else if (port >= 0x1000) + return (volatile __u16 *) (PA_83902 + (port << 1)); + else + return (volatile __u16 *) (PA_SUPERIO + (port << 1)); +} + +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; +} + +unsigned char se_inb(unsigned long port) +{ + if (shifted_port(port)) + return (*port2adr(port) >> 8); + else + return (*port2adr(port))&0xff; +} + +unsigned char se_inb_p(unsigned long port) +{ + unsigned long v; + + if (shifted_port(port)) + v = (*port2adr(port) >> 8); + else + v = (*port2adr(port))&0xff; + ctrl_delay(); + return v; +} + +unsigned short se_inw(unsigned long port) +{ + if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(port); + return 0; +} + +unsigned int se_inl(unsigned long port) +{ + maybebadio(port); + return 0; +} + +void se_outb(unsigned char value, unsigned long port) +{ + if (shifted_port(port)) + *(port2adr(port)) = value << 8; + else + *(port2adr(port)) = value; +} + +void se_outb_p(unsigned char value, unsigned long port) +{ + if (shifted_port(port)) + *(port2adr(port)) = value << 8; + else + *(port2adr(port)) = value; + ctrl_delay(); +} + +void se_outw(unsigned short value, unsigned long port) +{ + if (port >= 0x2000) + *port2adr(port) = value; + else + maybebadio(port); +} + +void se_outl(unsigned int value, unsigned long port) +{ + maybebadio(port); +} + +void se_insb(unsigned long port, void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + __u8 *ap = addr; + + if (shifted_port(port)) { + while (count--) + *ap++ = *p >> 8; + } else { + while (count--) + *ap++ = *p; + } +} + +void se_insw(unsigned long port, void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + __u16 *ap = addr; + while (count--) + *ap++ = *p; +} + +void se_insl(unsigned long port, void *addr, unsigned long count) +{ + maybebadio(port); +} + +void se_outsb(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + const __u8 *ap = addr; + + if (shifted_port(port)) { + while (count--) + *p = *ap++ << 8; + } else { + while (count--) + *p = *ap++; + } +} + +void se_outsw(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + const __u16 *ap = addr; + + while (count--) + *p = *ap++; +} + +void se_outsl(unsigned long port, const void *addr, unsigned long count) +{ + maybebadio(port); +} diff --git a/arch/sh/boards/mach-se/770x/irq.c b/arch/sh/boards/mach-se/770x/irq.c new file mode 100644 index 0000000..ec1fea5 --- /dev/null +++ b/arch/sh/boards/mach-se/770x/irq.c @@ -0,0 +1,108 @@ +/* + * linux/arch/sh/boards/se/770x/irq.c + * + * Copyright (C) 2000 Kazumoto Kojima + * Copyright (C) 2006 Nobuhiro Iwamatsu + * + * Hitachi SolutionEngine Support. + * + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <mach-se/mach/se.h> + +static struct ipr_data ipr_irq_table[] = { + /* + * Super I/O (Just mimic PC): + * 1: keyboard + * 3: serial 0 + * 4: serial 1 + * 5: printer + * 6: floppy + * 8: rtc + * 12: mouse + * 14: ide0 + */ +#if defined(CONFIG_CPU_SUBTYPE_SH7705) + /* This is default value */ + { 13, 0, 8, 0x0f-13, }, + { 5 , 0, 4, 0x0f- 5, }, + { 10, 1, 0, 0x0f-10, }, + { 7 , 2, 4, 0x0f- 7, }, + { 3 , 2, 0, 0x0f- 3, }, + { 1 , 3, 12, 0x0f- 1, }, + { 12, 3, 4, 0x0f-12, }, /* LAN */ + { 2 , 4, 8, 0x0f- 2, }, /* PCIRQ2 */ + { 6 , 4, 4, 0x0f- 6, }, /* PCIRQ1 */ + { 14, 4, 0, 0x0f-14, }, /* PCIRQ0 */ + { 0 , 5, 12, 0x0f , }, + { 4 , 5, 4, 0x0f- 4, }, + { 8 , 6, 12, 0x0f- 8, }, + { 9 , 6, 8, 0x0f- 9, }, + { 11, 6, 4, 0x0f-11, }, +#else + { 14, 0, 8, 0x0f-14, }, + { 12, 0, 4, 0x0f-12, }, + { 8, 1, 4, 0x0f- 8, }, + { 6, 2, 12, 0x0f- 6, }, + { 5, 2, 8, 0x0f- 5, }, + { 4, 2, 4, 0x0f- 4, }, + { 3, 2, 0, 0x0f- 3, }, + { 1, 3, 12, 0x0f- 1, }, +#if defined(CONFIG_STNIC) + /* ST NIC */ + { 10, 3, 4, 0x0f-10, }, /* LAN */ +#endif + /* MRSHPC IRQs setting */ + { 0, 4, 12, 0x0f- 0, }, /* PCIRQ3 */ + { 11, 4, 8, 0x0f-11, }, /* PCIRQ2 */ + { 9, 4, 4, 0x0f- 9, }, /* PCIRQ1 */ + { 7, 4, 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 */ + { 13, 6, 4, 0x0f-13, }, /* SLOTIRQ2 */ + { 2, 6, 0, 0x0f- 2, }, /* SLOTIRQ1 */ +#endif +}; + +static unsigned long ipr_offsets[] = { + BCR_ILCRA, + BCR_ILCRB, + BCR_ILCRC, + BCR_ILCRD, + BCR_ILCRE, + BCR_ILCRF, + BCR_ILCRG, +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + .chip = { + .name = "IPR-se770x", + }, +}; + +/* + * Initialize IRQ setting + */ +void __init init_se_IRQ(void) +{ + /* Disable all interrupts */ + ctrl_outw(0, BCR_ILCRA); + ctrl_outw(0, BCR_ILCRB); + ctrl_outw(0, BCR_ILCRC); + ctrl_outw(0, BCR_ILCRD); + ctrl_outw(0, BCR_ILCRE); + ctrl_outw(0, BCR_ILCRF); + ctrl_outw(0, BCR_ILCRG); + + register_ipr_controller(&ipr_irq_desc); +} diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c new file mode 100644 index 0000000..9123d96 --- /dev/null +++ b/arch/sh/boards/mach-se/770x/setup.c @@ -0,0 +1,222 @@ +/* + * linux/arch/sh/boards/se/770x/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <asm/machvec.h> +#include <mach-se/mach/se.h> +#include <asm/io.h> +#include <asm/smc37c93x.h> +#include <asm/heartbeat.h> + +/* + * Configure the Super I/O chip + */ +static void __init smsc_config(int index, int data) +{ + outb_p(index, INDEX_PORT); + outb_p(data, DATA_PORT); +} + +/* XXX: Another candidate for a more generic cchip machine vector */ +static void __init smsc_setup(char **cmdline_p) +{ + 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 */ + + /* 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); +} + + +static struct resource cf_ide_resources[] = { + [0] = { + .start = PA_MRSHPC_IO + 0x1f0, + .end = PA_MRSHPC_IO + 0x1f0 + 8, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = PA_MRSHPC_IO + 0x1f0 + 0x206, + .end = PA_MRSHPC_IO + 0x1f0 + 8 + 0x206 + 8, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = IRQ_CFCARD, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device cf_ide_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(cf_ide_resources), + .resource = cf_ide_resources, +}; + +static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 }; + +static struct heartbeat_data heartbeat_data = { + .bit_pos = heartbeat_bit_pos, + .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), + .regsize = 16, +}; + +static struct resource heartbeat_resources[] = { + [0] = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + .dev = { + .platform_data = &heartbeat_data, + }, + .num_resources = ARRAY_SIZE(heartbeat_resources), + .resource = heartbeat_resources, +}; + +#if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\ + defined(CONFIG_CPU_SUBTYPE_SH7712) +/* SH771X Ethernet driver */ +static struct resource sh_eth0_resources[] = { + [0] = { + .start = SH_ETH0_BASE, + .end = SH_ETH0_BASE + 0x1B8, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = SH_ETH0_IRQ, + .end = SH_ETH0_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sh_eth0_device = { + .name = "sh-eth", + .id = 0, + .dev = { + .platform_data = PHY_ID, + }, + .num_resources = ARRAY_SIZE(sh_eth0_resources), + .resource = sh_eth0_resources, +}; + +static struct resource sh_eth1_resources[] = { + [0] = { + .start = SH_ETH1_BASE, + .end = SH_ETH1_BASE + 0x1B8, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = SH_ETH1_IRQ, + .end = SH_ETH1_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sh_eth1_device = { + .name = "sh-eth", + .id = 1, + .dev = { + .platform_data = PHY_ID, + }, + .num_resources = ARRAY_SIZE(sh_eth1_resources), + .resource = sh_eth1_resources, +}; +#endif + +static struct platform_device *se_devices[] __initdata = { + &heartbeat_device, + &cf_ide_device, +#if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\ + defined(CONFIG_CPU_SUBTYPE_SH7712) + &sh_eth0_device, + &sh_eth1_device, +#endif +}; + +static int __init se_devices_setup(void) +{ + return platform_add_devices(se_devices, ARRAY_SIZE(se_devices)); +} +device_initcall(se_devices_setup); + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_se __initmv = { + .mv_name = "SolutionEngine", + .mv_setup = smsc_setup, +#if defined(CONFIG_CPU_SH4) + .mv_nr_irqs = 48, +#elif defined(CONFIG_CPU_SUBTYPE_SH7708) + .mv_nr_irqs = 32, +#elif defined(CONFIG_CPU_SUBTYPE_SH7709) + .mv_nr_irqs = 61, +#elif defined(CONFIG_CPU_SUBTYPE_SH7705) + .mv_nr_irqs = 86, +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) + .mv_nr_irqs = 104, +#endif + + .mv_inb = se_inb, + .mv_inw = se_inw, + .mv_inl = se_inl, + .mv_outb = se_outb, + .mv_outw = se_outw, + .mv_outl = se_outl, + + .mv_inb_p = se_inb_p, + .mv_inw_p = se_inw, + .mv_inl_p = se_inl, + .mv_outb_p = se_outb_p, + .mv_outw_p = se_outw, + .mv_outl_p = se_outl, + + .mv_insb = se_insb, + .mv_insw = se_insw, + .mv_insl = se_insl, + .mv_outsb = se_outsb, + .mv_outsw = se_outsw, + .mv_outsl = se_outsl, + + .mv_init_irq = init_se_IRQ, +}; 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