diff options
Diffstat (limited to 'arch/sh/boards/renesas')
| -rw-r--r-- | arch/sh/boards/renesas/r7780rp/Makefile | 5 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/r7780rp/irq-r7780mp.c | 61 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/r7780rp/irq-r7780rp.c | 6 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/r7780rp/irq-r7785rp.c | 46 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/r7780rp/setup.c | 70 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/rts7751r2d/Kconfig | 19 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/rts7751r2d/irq.c | 179 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/rts7751r2d/setup.c | 95 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/x3proto/Makefile | 1 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/x3proto/ilsel.c | 151 | ||||
| -rw-r--r-- | arch/sh/boards/renesas/x3proto/setup.c | 136 |
11 files changed, 653 insertions, 116 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile index b1d20afb4eb..dd26182fbf5 100644 --- a/arch/sh/boards/renesas/r7780rp/Makefile +++ b/arch/sh/boards/renesas/r7780rp/Makefile @@ -1,9 +1,10 @@ # # Makefile for the R7780RP-1 specific parts of the kernel # -irqinit-y := irq-r7780rp.o +irqinit-$(CONFIG_SH_R7780MP) := irq-r7780mp.o irqinit-$(CONFIG_SH_R7785RP) := irq-r7785rp.o -obj-y := setup.o irq.o $(irqinit-y) +irqinit-$(CONFIG_SH_R7780RP) := irq-r7780rp.o irq.o +obj-y := setup.o $(irqinit-y) ifneq ($(CONFIG_SH_R7785RP),y) obj-$(CONFIG_PUSH_SWITCH) += psw.o diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c new file mode 100644 index 00000000000..59b47fe061f --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c @@ -0,0 +1,61 @@ +/* + * Renesas Solutions Highlander R7780MP Support. + * + * Copyright (C) 2002 Atom Create Engineering Co., Ltd. + * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2007 Magnus Damm + * + * 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. + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <asm/r7780rp.h> + +enum { + UNUSED = 0, + + /* board specific interrupt sources */ + AX88796, /* Ethernet controller */ + CF, /* Compact Flash */ + PSW, /* Push Switch */ + EXT1, /* EXT1n IRQ */ + EXT4, /* EXT4n IRQ */ +}; + +static struct intc_vect vectors[] __initdata = { + INTC_IRQ(CF, IRQ_CF), + INTC_IRQ(PSW, IRQ_PSW), + INTC_IRQ(AX88796, IRQ_AX88796), + INTC_IRQ(EXT1, IRQ_EXT1), + INTC_IRQ(EXT4, IRQ_EXT4), +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xa4000000, 0, 16, /* IRLMSK */ + { 0, 0, 0, 0, CF, 0, 0, 0, + 0, 0, 0, EXT4, 0, EXT1, PSW, AX88796 } }, +}; + +static unsigned char irl2irq[HL_NR_IRL] __initdata = { + 0, IRQ_CF, 0, 0, + 0, 0, 0, 0, + 0, IRQ_EXT4, 0, IRQ_EXT1, + 0, IRQ_AX88796, IRQ_PSW, +}; + +static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors, + NULL, NULL, mask_registers, NULL, NULL); + +unsigned char * __init highlander_init_irq_r7780mp(void) +{ + if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) { + printk(KERN_INFO "Using r7780mp interrupt controller.\n"); + register_intc_controller(&intc_desc); + return irl2irq; + } + + return NULL; +} diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c index f5f358746c9..fa4a534cade 100644 --- a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c +++ b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c @@ -9,13 +9,15 @@ * for more details. */ #include <linux/init.h> -#include <asm/io.h> +#include <linux/io.h> #include <asm/r7780rp.h> -void __init highlander_init_irq(void) +unsigned char * __init highlander_init_irq_r7780rp(void) { int i; for (i = 0; i < 15; i++) make_r7780rp_irq(i); + + return NULL; } diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c index dd6ec4ce44d..b2c6a84673b 100644 --- a/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c +++ b/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c @@ -1,19 +1,55 @@ /* - * Renesas Solutions Highlander R7780RP-1 Support. + * Renesas Solutions Highlander R7785RP Support. * * Copyright (C) 2002 Atom Create Engineering Co., Ltd. * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2007 Magnus Damm * * 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. */ #include <linux/init.h> -#include <asm/io.h> +#include <linux/irq.h> +#include <linux/io.h> #include <asm/r7780rp.h> -void __init highlander_init_irq(void) +enum { + UNUSED = 0, + + /* board specific interrupt sources */ + AX88796, /* Ethernet controller */ + CF, /* Compact Flash */ +}; + +static struct intc_vect vectors[] __initdata = { + INTC_IRQ(CF, IRQ_CF), + INTC_IRQ(AX88796, IRQ_AX88796), +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xa4000010, 0, 16, /* IRLMCR1 */ + { 0, 0, 0, 0, CF, AX88796, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 } }, +}; + +static unsigned char irl2irq[HL_NR_IRL] __initdata = { + 0, IRQ_CF, 0, 0, + 0, 0, 0, 0, + 0, 0, IRQ_AX88796, 0, + 0, 0, 0, +}; + +static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors, + NULL, NULL, mask_registers, NULL, NULL); + +unsigned char * __init highlander_init_irq_r7785rp(void) { + if ((ctrl_inw(0xa4000158) & 0xf000) != 0x1000) + return NULL; + + printk(KERN_INFO "Using r7785rp interrupt controller.\n"); + ctrl_outw(0x0000, PA_IRLSSR1); /* FPGA IRLSSR1(CF_CD clear) */ /* Setup the FPGA IRL */ @@ -24,6 +60,6 @@ void __init highlander_init_irq(void) ctrl_outw(0x4321, PA_IRLPRE); /* FPGA IRLE */ ctrl_outw(0x0000, PA_IRLPRF); /* FPGA IRLF */ - make_r7780rp_irq(1); /* CF card */ - make_r7780rp_irq(10); /* On-board ethernet */ + register_intc_controller(&intc_desc); + return irl2irq; } diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c index adb529d01ba..afe9de73666 100644 --- a/arch/sh/boards/renesas/r7780rp/setup.c +++ b/arch/sh/boards/renesas/r7780rp/setup.c @@ -19,6 +19,7 @@ #include <asm/machvec.h> #include <asm/r7780rp.h> #include <asm/clock.h> +#include <asm/heartbeat.h> #include <asm/io.h> static struct resource r8a66597_usb_host_resources[] = { @@ -30,8 +31,8 @@ static struct resource r8a66597_usb_host_resources[] = { }, [1] = { .name = "r8a66597_hcd", - .start = 11, /* irq number */ - .end = 11, + .start = IRQ_EXT1, /* irq number */ + .end = IRQ_EXT1, .flags = IORESOURCE_IRQ, }, }; @@ -56,8 +57,8 @@ static struct resource m66592_usb_peripheral_resources[] = { }, [1] = { .name = "m66592_udc", - .start = 9, /* irq number */ - .end = 9, + .start = IRQ_EXT4, /* irq number */ + .end = IRQ_EXT4, .flags = IORESOURCE_IRQ, }, }; @@ -85,11 +86,7 @@ static struct resource cf_ide_resources[] = { .flags = IORESOURCE_MEM, }, [2] = { -#ifdef CONFIG_SH_R7780RP - .start = 4, -#else - .start = 1, -#endif + .start = IRQ_CF, .flags = IORESOURCE_IRQ, }, }; @@ -108,16 +105,23 @@ static struct platform_device cf_ide_device = { }, }; -static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; - static struct resource heartbeat_resources[] = { [0] = { .start = PA_OBLED, - .end = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1, + .end = PA_OBLED, .flags = IORESOURCE_MEM, }, }; +#ifndef CONFIG_SH_R7785RP +static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; + +static struct heartbeat_data heartbeat_data = { + .bit_pos = heartbeat_bit_pos, + .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), +}; +#endif + static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, @@ -125,7 +129,7 @@ static struct platform_device heartbeat_device = { /* R7785RP has a slightly more sensible FPGA.. */ #ifndef CONFIG_SH_R7785RP .dev = { - .platform_data = heartbeat_bit_pos, + .platform_data = &heartbeat_data, }, #endif .num_resources = ARRAY_SIZE(heartbeat_resources), @@ -217,12 +221,50 @@ static void __init highlander_setup(char **cmdline_p) pm_power_off = r7780rp_power_off; } +static unsigned char irl2irq[HL_NR_IRL]; + +int highlander_irq_demux(int irq) +{ + if (irq >= HL_NR_IRL || !irl2irq[irq]) + return irq; + + return irl2irq[irq]; +} + +void __init highlander_init_irq(void) +{ + unsigned char *ucp = NULL; + + do { +#ifdef CONFIG_SH_R7780MP + ucp = highlander_init_irq_r7780mp(); + if (ucp) + break; +#endif +#ifdef CONFIG_SH_R7785RP + ucp = highlander_init_irq_r7785rp(); + if (ucp) + break; +#endif +#ifdef CONFIG_SH_R7780RP + highlander_init_irq_r7780rp(); + ucp = irl2irq; + break; +#endif + } while (0); + + if (ucp) { + plat_irq_setup_pins(IRQ_MODE_IRL3210); + memcpy(irl2irq, ucp, HL_NR_IRL); + } +} + /* * The Machine Vector */ static struct sh_machine_vector mv_highlander __initmv = { .mv_name = "Highlander", - .mv_nr_irqs = 109, .mv_setup = highlander_setup, .mv_init_irq = highlander_init_irq, + .mv_irq_demux = highlander_irq_demux, }; diff --git a/arch/sh/boards/renesas/rts7751r2d/Kconfig b/arch/sh/boards/renesas/rts7751r2d/Kconfig index 7780d1fb13f..8122a9667fc 100644 --- a/arch/sh/boards/renesas/rts7751r2d/Kconfig +++ b/arch/sh/boards/renesas/rts7751r2d/Kconfig @@ -1,11 +1,22 @@ if SH_RTS7751R2D -menu "RTS7751R2D options" +menu "RTS7751R2D Board Revision" -config RTS7751R2D_REV11 - bool "RTS7751R2D Rev. 1.1 board support" +config RTS7751R2D_PLUS + bool "R2D-PLUS" help - Selecting this option will support version rev. 1.1. + Selecting this option will configure the kernel for R2D-PLUS. + + R2D-PLUS is the smaller of the two R2D board versions, equipped + with a single PCI slot. + +config RTS7751R2D_1 + bool "R2D-1" + help + Selecting this option will configure the kernel for R2D-1. + + R2D-1 is the larger of the two R2D board versions, equipped + with two PCI slots. endmenu endif diff --git a/arch/sh/boards/renesas/rts7751r2d/irq.c b/arch/sh/boards/renesas/rts7751r2d/irq.c index 0bae9041ace..7cc2813adfe 100644 --- a/arch/sh/boards/renesas/rts7751r2d/irq.c +++ b/arch/sh/boards/renesas/rts7751r2d/irq.c @@ -1,84 +1,159 @@ /* * linux/arch/sh/boards/renesas/rts7751r2d/irq.c * + * Copyright (C) 2007 Magnus Damm * Copyright (C) 2000 Kazumoto Kojima * - * Renesas Technology Sales RTS7751R2D Support. + * Renesas Technology Sales RTS7751R2D Support, R2D-PLUS and R2D-1. * * Modified for RTS7751R2D by * Atom Create Engineering Co., Ltd. 2002. */ #include <linux/init.h> -#include <linux/interrupt.h> #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <asm/voyagergx.h> #include <asm/rts7751r2d.h> -#if defined(CONFIG_RTS7751R2D_REV11) -static int mask_pos[] = {11, 9, 8, 12, 10, 6, 5, 4, 7, 14, 13, 0, 0, 0, 0}; -#else -static int mask_pos[] = {6, 11, 9, 8, 12, 10, 5, 4, 7, 14, 13, 0, 0, 0, 0}; -#endif +#define R2D_NR_IRL 13 -extern int voyagergx_irq_demux(int irq); -extern void setup_voyagergx_irq(void); +enum { + UNUSED = 0, -static void enable_rts7751r2d_irq(unsigned int irq) -{ - /* Set priority in IPR back to original value */ - ctrl_outw(ctrl_inw(IRLCNTR1) | (1 << mask_pos[irq]), IRLCNTR1); -} + /* board specific interrupt sources (R2D-1 and R2D-PLUS) */ + EXT, /* EXT_INT0-3 */ + RTC_T, RTC_A, /* Real Time Clock */ + AX88796, /* Ethernet controller (R2D-1 board) */ + KEY, /* Key input (R2D-PLUS board) */ + SDCARD, /* SD Card */ + CF_CD, CF_IDE, /* CF Card Detect + CF IDE */ + SM501, /* SM501 aka Voyager */ + PCI_INTD_RTL8139, /* Ethernet controller */ + PCI_INTC_PCI1520, /* Cardbus/PCMCIA bridge */ + PCI_INTB_RTL8139, /* Ethernet controller with HUB (R2D-PLUS board) */ + PCI_INTB_SLOT, /* PCI Slot 3.3v (R2D-1 board) */ + PCI_INTA_SLOT, /* PCI Slot 3.3v */ + TP, /* Touch Panel */ +}; -static void disable_rts7751r2d_irq(unsigned int irq) -{ - /* Set the priority in IPR to 0 */ - ctrl_outw(ctrl_inw(IRLCNTR1) & (0xffff ^ (1 << mask_pos[irq])), - IRLCNTR1); -} +#ifdef CONFIG_RTS7751R2D_1 + +/* Vectors for R2D-1 */ +static struct intc_vect vectors_r2d_1[] __initdata = { + INTC_IRQ(EXT, IRQ_EXT), + INTC_IRQ(RTC_T, IRQ_RTC_T), INTC_IRQ(RTC_A, IRQ_RTC_A), + INTC_IRQ(AX88796, IRQ_AX88796), INTC_IRQ(SDCARD, IRQ_SDCARD), + INTC_IRQ(CF_CD, IRQ_CF_CD), INTC_IRQ(CF_IDE, IRQ_CF_IDE), /* ng */ + INTC_IRQ(SM501, IRQ_VOYAGER), + INTC_IRQ(PCI_INTD_RTL8139, IRQ_PCI_INTD), + INTC_IRQ(PCI_INTC_PCI1520, IRQ_PCI_INTC), + INTC_IRQ(PCI_INTB_SLOT, IRQ_PCI_INTB), + INTC_IRQ(PCI_INTA_SLOT, IRQ_PCI_INTA), + INTC_IRQ(TP, IRQ_TP), +}; + +/* IRLMSK mask register layout for R2D-1 */ +static struct intc_mask_reg mask_registers_r2d_1[] __initdata = { + { 0xa4000000, 0, 16, /* IRLMSK */ + { TP, PCI_INTA_SLOT, PCI_INTB_SLOT, + PCI_INTC_PCI1520, PCI_INTD_RTL8139, + SM501, CF_IDE, CF_CD, SDCARD, AX88796, + RTC_A, RTC_T, 0, 0, 0, EXT } }, +}; + +/* IRLn to IRQ table for R2D-1 */ +static unsigned char irl2irq_r2d_1[R2D_NR_IRL] __initdata = { + IRQ_PCI_INTD, IRQ_CF_IDE, IRQ_CF_CD, IRQ_PCI_INTC, + IRQ_VOYAGER, IRQ_AX88796, IRQ_RTC_A, IRQ_RTC_T, + IRQ_SDCARD, IRQ_PCI_INTA, IRQ_PCI_INTB, IRQ_EXT, + IRQ_TP, +}; + +static DECLARE_INTC_DESC(intc_desc_r2d_1, "r2d-1", vectors_r2d_1, + NULL, NULL, mask_registers_r2d_1, NULL, NULL); + +#endif /* CONFIG_RTS7751R2D_1 */ + +#ifdef CONFIG_RTS7751R2D_PLUS + +/* Vectors for R2D-PLUS */ +static struct intc_vect vectors_r2d_plus[] __initdata = { + INTC_IRQ(EXT, IRQ_EXT), + INTC_IRQ(RTC_T, IRQ_RTC_T), INTC_IRQ(RTC_A, IRQ_RTC_A), + INTC_IRQ(KEY, IRQ_KEY), INTC_IRQ(SDCARD, IRQ_SDCARD), + INTC_IRQ(CF_CD, IRQ_CF_CD), INTC_IRQ(CF_IDE, IRQ_CF_IDE), + INTC_IRQ(SM501, IRQ_VOYAGER), + INTC_IRQ(PCI_INTD_RTL8139, IRQ_PCI_INTD), + INTC_IRQ(PCI_INTC_PCI1520, IRQ_PCI_INTC), + INTC_IRQ(PCI_INTB_RTL8139, IRQ_PCI_INTB), + INTC_IRQ(PCI_INTA_SLOT, IRQ_PCI_INTA), + INTC_IRQ(TP, IRQ_TP), +}; + +/* IRLMSK mask register layout for R2D-PLUS */ +static struct intc_mask_reg mask_registers_r2d_plus[] __initdata = { + { 0xa4000000, 0, 16, /* IRLMSK */ + { TP, PCI_INTA_SLOT, PCI_INTB_RTL8139, + PCI_INTC_PCI1520, PCI_INTD_RTL8139, + SM501, CF_IDE, CF_CD, SDCARD, KEY, + RTC_A, RTC_T, 0, 0, 0, EXT } }, +}; + +/* IRLn to IRQ table for R2D-PLUS */ +static unsigned char irl2irq_r2d_plus[R2D_NR_IRL] __initdata = { + IRQ_PCI_INTD, IRQ_CF_IDE, IRQ_CF_CD, IRQ_PCI_INTC, + IRQ_VOYAGER, IRQ_KEY, IRQ_RTC_A, IRQ_RTC_T, + IRQ_SDCARD, IRQ_PCI_INTA, IRQ_PCI_INTB, IRQ_EXT, + IRQ_TP, +}; + +static DECLARE_INTC_DESC(intc_desc_r2d_plus, "r2d-plus", vectors_r2d_plus, + NULL, NULL, mask_registers_r2d_plus, NULL, NULL); + +#endif /* CONFIG_RTS7751R2D_PLUS */ + +static unsigned char irl2irq[R2D_NR_IRL]; int rts7751r2d_irq_demux(int irq) { - return voyagergx_irq_demux(irq); -} + if (irq >= R2D_NR_IRL || !irl2irq[irq]) + return irq; -static struct irq_chip rts7751r2d_irq_chip __read_mostly = { - .name = "rts7751r2d", - .mask = disable_rts7751r2d_irq, - .unmask = enable_rts7751r2d_irq, - .mask_ack = disable_rts7751r2d_irq, -}; + return irl2irq[irq]; +} /* * Initialize IRQ setting */ void __init init_rts7751r2d_IRQ(void) { - int i; - - /* IRL0=KEY Input - * IRL1=Ethernet - * IRL2=CF Card - * IRL3=CF Card Insert - * IRL4=PCMCIA - * IRL5=VOYAGER - * IRL6=RTC Alarm - * IRL7=RTC Timer - * IRL8=SD Card - * IRL9=PCI Slot #1 - * IRL10=PCI Slot #2 - * IRL11=Extention #0 - * IRL12=Extention #1 - * IRL13=Extention #2 - * IRL14=Extention #3 - */ - - for (i=0; i<15; i++) { - disable_irq_nosync(i); - set_irq_chip_and_handler_name(i, &rts7751r2d_irq_chip, - handle_level_irq, "level"); - enable_rts7751r2d_irq(i); + struct intc_desc *d; + + switch (ctrl_inw(PA_VERREG) & 0xf0) { +#ifdef CONFIG_RTS7751R2D_PLUS + case 0x10: + printk(KERN_INFO "Using R2D-PLUS interrupt controller.\n"); + d = &intc_desc_r2d_plus; + memcpy(irl2irq, irl2irq_r2d_plus, R2D_NR_IRL); + break; +#endif +#ifdef CONFIG_RTS7751R2D_1 + case 0x00: /* according to manual */ + case 0x30: /* in reality */ + printk(KERN_INFO "Using R2D-1 interrupt controller.\n"); + d = &intc_desc_r2d_1; + memcpy(irl2irq, irl2irq_r2d_1, R2D_NR_IRL); + break; +#endif + default: + printk(KERN_INFO "Unknown R2D interrupt controller 0x%04x\n", + ctrl_inw(PA_VERREG)); + return; } + register_intc_controller(d); +#ifdef CONFIG_MFD_SM501 setup_voyagergx_irq(); +#endif } diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c index 6f7029d3324..37f2c0b447f 100644 --- a/arch/sh/boards/renesas/rts7751r2d/setup.c +++ b/arch/sh/boards/renesas/rts7751r2d/setup.c @@ -45,20 +45,16 @@ static void __init voyagergx_serial_init(void) static struct resource cf_ide_resources[] = { [0] = { .start = PA_AREA5_IO + 0x1000, - .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, + .end = PA_AREA5_IO + 0x1000 + 0x10 - 0x2, .flags = IORESOURCE_MEM, }, [1] = { .start = PA_AREA5_IO + 0x80c, - .end = PA_AREA5_IO + 0x80c + 0x16 - 1, + .end = PA_AREA5_IO + 0x80c, .flags = IORESOURCE_MEM, }, [2] = { -#ifdef CONFIG_RTS7751R2D_REV11 - .start = 1, -#else - .start = 2, -#endif + .start = IRQ_CF_IDE, .flags = IORESOURCE_IRQ, }, }; @@ -77,12 +73,28 @@ static struct platform_device cf_ide_device = { }, }; +static struct resource heartbeat_resources[] = { + [0] = { + .start = PA_OUTPORT, + .end = PA_OUTPORT, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + .num_resources = ARRAY_SIZE(heartbeat_resources), + .resource = heartbeat_resources, +}; + +#ifdef CONFIG_MFD_SM501 static struct plat_serial8250_port uart_platform_data[] = { { .membase = (void __iomem *)VOYAGER_UART_BASE, .mapbase = VOYAGER_UART_BASE, .iotype = UPIO_MEM, - .irq = VOYAGER_UART0_IRQ, + .irq = IRQ_SM501_U0, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, .regshift = 2, .uartclk = (9600 * 16), @@ -98,21 +110,6 @@ static struct platform_device uart_device = { }, }; -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_OUTPORT, - .end = PA_OUTPORT + 8 - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device heartbeat_device = { - .name = "heartbeat", - .id = -1, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, -}; - static struct resource sm501_resources[] = { [0] = { .start = 0x10000000, @@ -125,7 +122,7 @@ static struct resource sm501_resources[] = { .flags = IORESOURCE_MEM, }, [2] = { - .start = 32, + .start = IRQ_SM501_CV, .flags = IORESOURCE_IRQ, }, }; @@ -137,22 +134,19 @@ static struct platform_device sm501_device = { .resource = sm501_resources, }; +#endif /* CONFIG_MFD_SM501 */ + static struct platform_device *rts7751r2d_devices[] __initdata = { +#ifdef CONFIG_MFD_SM501 &uart_device, - &heartbeat_device, &sm501_device, +#endif + &cf_ide_device, + &heartbeat_device, }; static int __init rts7751r2d_devices_setup(void) { - int ret; - - if (ctrl_inw(PA_BVERREG) == 0x10) { /* only working on R2D-PLUS */ - ret = platform_device_register(&cf_ide_device); - if (ret) - return ret; - } - return platform_add_devices(rts7751r2d_devices, ARRAY_SIZE(rts7751r2d_devices)); } @@ -163,6 +157,34 @@ static void rts7751r2d_power_off(void) ctrl_outw(0x0001, PA_POWOFF); } +static inline unsigned char is_ide_ioaddr(unsigned long addr) +{ + return ((cf_ide_resources[0].start <= addr && + addr <= cf_ide_resources[0].end) || + (cf_ide_resources[1].start <= addr && + addr <= cf_ide_resources[1].end)); +} + +void rts7751r2d_writeb(u8 b, void __iomem *addr) +{ + unsigned long tmp = (unsigned long __force)addr; + + if (is_ide_ioaddr(tmp)) + ctrl_outw((u16)b, tmp); + else + ctrl_outb(b, tmp); +} + +u8 rts7751r2d_readb(void __iomem *addr) +{ + unsigned long tmp = (unsigned long __force)addr; + + if (is_ide_ioaddr(tmp)) + return ctrl_inw(tmp) & 0xff; + else + return ctrl_inb(tmp); +} + /* * Initialize the board */ @@ -187,12 +209,11 @@ static void __init rts7751r2d_setup(char **cmdline_p) static struct sh_machine_vector mv_rts7751r2d __initmv = { .mv_name = "RTS7751R2D", .mv_setup = rts7751r2d_setup, - .mv_nr_irqs = 72, - .mv_init_irq = init_rts7751r2d_IRQ, .mv_irq_demux = rts7751r2d_irq_demux, - -#ifdef CONFIG_USB_SM501 + .mv_writeb = rts7751r2d_writeb, + .mv_readb = rts7751r2d_readb, +#if defined(CONFIG_MFD_SM501) && defined(CONFIG_USB_OHCI_HCD) .mv_consistent_alloc = voyagergx_consistent_alloc, .mv_consistent_free = voyagergx_consistent_free, #endif diff --git a/arch/sh/boards/renesas/x3proto/Makefile b/arch/sh/boards/renesas/x3proto/Makefile new file mode 100644 index 00000000000..983e4551fec --- /dev/null +++ b/arch/sh/boards/renesas/x3proto/Makefile @@ -0,0 +1 @@ +obj-y += setup.o ilsel.o diff --git a/arch/sh/boards/renesas/x3proto/ilsel.c b/arch/sh/boards/renesas/x3proto/ilsel.c new file mode 100644 index 00000000000..6d4454fef97 --- /dev/null +++ b/arch/sh/boards/renesas/x3proto/ilsel.c @@ -0,0 +1,151 @@ +/* + * arch/sh/boards/renesas/x3proto/ilsel.c + * + * Helper routines for SH-X3 proto board ILSEL. + * + * Copyright (C) 2007 Paul Mundt + * + * 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. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/bitmap.h> +#include <linux/io.h> +#include <asm/ilsel.h> + +/* + * ILSEL is split across: + * + * ILSEL0 - 0xb8100004 [ Levels 1 - 4 ] + * ILSEL1 - 0xb8100006 [ Levels 5 - 8 ] + * ILSEL2 - 0xb8100008 [ Levels 9 - 12 ] + * ILSEL3 - 0xb810000a [ Levels 13 - 15 ] + * + * With each level being relative to an ilsel_source_t. + */ +#define ILSEL_BASE 0xb8100004 +#define ILSEL_LEVELS 15 + +/* + * ILSEL level map, in descending order from the highest level down. + * + * Supported levels are 1 - 15 spread across ILSEL0 - ILSEL4, mapping + * directly to IRLs. As the IRQs are numbered in reverse order relative + * to the interrupt level, the level map is carefully managed to ensure a + * 1:1 mapping between the bit position and the IRQ number. + * + * This careful constructions allows ilsel_enable*() to be referenced + * directly for hooking up an ILSEL set and getting back an IRQ which can + * subsequently be used for internal accounting in the (optional) disable + * path. + */ +static unsigned long ilsel_level_map; + +static inline unsigned int ilsel_offset(unsigned int bit) +{ + return ILSEL_LEVELS - bit - 1; +} + +static inline unsigned long mk_ilsel_addr(unsigned int bit) +{ + return ILSEL_BASE + ((ilsel_offset(bit) >> 1) & ~0x1); +} + +static inline unsigned int mk_ilsel_shift(unsigned int bit) +{ + return (ilsel_offset(bit) & 0x3) << 2; +} + +static void __ilsel_enable(ilsel_source_t set, unsigned int bit) +{ + unsigned int tmp, shift; + unsigned long addr; + + addr = mk_ilsel_addr(bit); + shift = mk_ilsel_shift(bit); + + pr_debug("%s: bit#%d: addr - 0x%08lx (shift %d, set %d)\n", + __FUNCTION__, bit, addr, shift, set); + + tmp = ctrl_inw(addr); + tmp &= ~(0xf << shift); + tmp |= set << shift; + ctrl_outw(tmp, addr); +} + +/** + * ilsel_enable - Enable an ILSEL set. + * @set: ILSEL source (see ilsel_source_t enum in include/asm-sh/ilsel.h). + * + * Enables a given non-aliased ILSEL source (<= ILSEL_KEY) at the highest + * available interrupt level. Callers should take care to order callsites + * noting descending interrupt levels. Aliasing FPGA and external board + * IRQs need to use ilsel_enable_fixed(). + * + * The return value is an IRQ number that can later be taken down with + * ilsel_disable(). + */ +int ilsel_enable(ilsel_source_t set) +{ + unsigned int bit; + + /* Aliased sources must use ilsel_enable_fixed() */ + BUG_ON(set > ILSEL_KEY); + + do { + bit = find_first_zero_bit(&ilsel_level_map, ILSEL_LEVELS); + } while (test_and_set_bit(bit, &ilsel_level_map)); + + __ilsel_enable(set, bit); + + return bit; +} +EXPORT_SYMBOL_GPL(ilsel_enable); + +/** + * ilsel_enable_fixed - Enable an ILSEL set at a fixed interrupt level + * @set: ILSEL source (see ilsel_source_t enum in include/asm-sh/ilsel.h). + * @level: Interrupt level (1 - 15) + * + * Enables a given ILSEL source at a fixed interrupt level. Necessary + * both for level reservation as well as for aliased sources that only + * exist on special ILSEL#s. + * + * Returns an IRQ number (as ilsel_enable()). + */ +int ilsel_enable_fixed(ilsel_source_t set, unsigned int level) +{ + unsigned int bit = ilsel_offset(level - 1); + + if (test_and_set_bit(bit, &ilsel_level_map)) + return -EBUSY; + + __ilsel_enable(set, bit); + + return bit; +} +EXPORT_SYMBOL_GPL(ilsel_enable_fixed); + +/** + * ilsel_disable - Disable an ILSEL set + * @irq: Bit position for ILSEL set value (retval from enable routines) + * + * Disable a previously enabled ILSEL set. + */ +void ilsel_disable(unsigned int irq) +{ + unsigned long addr; + unsigned int tmp; + + addr = mk_ilsel_addr(irq); + + tmp = ctrl_inw(addr); + tmp &= ~(0xf << mk_ilsel_shift(irq)); + ctrl_outw(tmp, addr); + + clear_bit(irq, &ilsel_level_map); +} +EXPORT_SYMBOL_GPL(ilsel_disable); diff --git a/arch/sh/boards/renesas/x3proto/setup.c b/arch/sh/boards/renesas/x3proto/setup.c new file mode 100644 index 00000000000..abc5b6d418f --- /dev/null +++ b/arch/sh/boards/renesas/x3proto/setup.c @@ -0,0 +1,136 @@ +/* + * arch/sh/boards/renesas/x3proto/setup.c + * + * Renesas SH-X3 Prototype Board Support. + * + * Copyright (C) 2007 Paul Mundt + * + * 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. + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <asm/ilsel.h> + +static struct resource heartbeat_resources[] = { + [0] = { + .start = 0xb8140020, + .end = 0xb8140020, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + .num_resources = ARRAY_SIZE(heartbeat_resources), + .resource = heartbeat_resources, +}; + +static struct resource smc91x_resources[] = { + [0] = { + .start = 0x18000300, + .end = 0x18000300 + 0x10 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* Filled in by ilsel */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = -1, + .resource = smc91x_resources, + .num_resources = ARRAY_SIZE(smc91x_resources), +}; + +static struct resource r8a66597_usb_host_resources[] = { + [0] = { + .name = "r8a66597_hcd", + .start = 0x18040000, + .end = 0x18080000 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "r8a66597_hcd", + /* Filled in by ilsel */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device r8a66597_usb_host_device = { + .name = "r8a66597_hcd", + .id = -1, + .dev = { + .dma_mask = NULL, /* don't use dma */ + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources), + .resource = r8a66597_usb_host_resources, +}; + +static struct resource m66592_usb_peripheral_resources[] = { + [0] = { + .name = "m66592_udc", + .start = 0x18080000, + .end = 0x180c0000 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "m66592_udc", + /* Filled in by ilsel */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device m66592_usb_peripheral_device = { + .name = "m66592_udc", + .id = -1, + .dev = { + .dma_mask = NULL, /* don't use dma */ + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources), + .resource = m66592_usb_peripheral_resources, +}; + +static struct platform_device *x3proto_devices[] __initdata = { + &heartbeat_device, + &smc91x_device, + &r8a66597_usb_host_device, + &m66592_usb_peripheral_device, +}; + +static int __init x3proto_devices_setup(void) +{ + r8a66597_usb_host_resources[1].start = + r8a66597_usb_host_resources[1].end = ilsel_enable(ILSEL_USBH_I); + + m66592_usb_peripheral_resources[1].start = + m66592_usb_peripheral_resources[1].end = ilsel_enable(ILSEL_USBP_I); + + smc91x_resources[1].start = + smc91x_resources[1].end = ilsel_enable(ILSEL_LAN); + + return platform_add_devices(x3proto_devices, + ARRAY_SIZE(x3proto_devices)); +} +device_initcall(x3proto_devices_setup); + +static void __init x3proto_init_irq(void) +{ + plat_irq_setup_pins(IRQ_MODE_IRL3210); + + /* Set ICR0.LVLMODE */ + ctrl_outl(ctrl_inl(0xfe410000) | (1 << 21), 0xfe410000); +} + +static struct sh_machine_vector mv_x3proto __initmv = { + .mv_name = "x3proto", + .mv_init_irq = x3proto_init_irq, +}; |