From f36af3fd377081d3ac2ff6b63a60f8db8b3bf531 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Sun, 5 Nov 2006 16:21:09 +0900 Subject: sh: Add support for Solution Engine 7206 and 7619 boards. This adds support for the Solution Engine 7206 and 7619. Signed-off-by: Yoshinori Sato Signed-off-by: Paul Mundt --- arch/sh/boards/se/7206/irq.c | 161 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 arch/sh/boards/se/7206/irq.c (limited to 'arch/sh/boards/se/7206/irq.c') diff --git a/arch/sh/boards/se/7206/irq.c b/arch/sh/boards/se/7206/irq.c new file mode 100644 index 00000000000..8d5b278a124 --- /dev/null +++ b/arch/sh/boards/se/7206/irq.c @@ -0,0 +1,161 @@ +/* + * linux/arch/sh/boards/se/7206/irq.c + * + * Copyright (C) 2005,2006 Yoshinori Sato + * + * Hitachi SolutionEngine Support. + * + */ + +#include +#include +#include +#include +#include +#include + +#define INTSTS0 0x31800000 +#define INTSTS1 0x31800002 +#define INTMSK0 0x31800004 +#define INTMSK1 0x31800006 +#define INTSEL 0x31800008 + +/* shutdown is same as "disable" */ +#define shutdown_se7206_irq disable_se7206_irq + +static void disable_se7206_irq(unsigned int irq) +{ + unsigned short val; + unsigned short mask = 0xffff ^ (0x0f << 4 * (3 - (IRQ0_IRQ - irq))); + unsigned short msk0,msk1; + + /* Set the priority in IPR to 0 */ + val = ctrl_inw(INTC_IPR01); + val &= mask; + ctrl_outw(val, INTC_IPR01); + /* FPGA mask set */ + msk0 = ctrl_inw(INTMSK0); + msk1 = ctrl_inw(INTMSK1); + + switch (irq) { + case IRQ0_IRQ: + msk0 |= 0x0010; + break; + case IRQ1_IRQ: + msk0 |= 0x000f; + break; + case IRQ2_IRQ: + msk0 |= 0x0f00; + msk1 |= 0x00ff; + break; + } + ctrl_outw(msk0, INTMSK0); + ctrl_outw(msk1, INTMSK1); +} + +static void enable_se7206_irq(unsigned int irq) +{ + unsigned short val; + unsigned short value = (0x0001 << 4 * (3 - (IRQ0_IRQ - irq))); + unsigned short msk0,msk1; + + /* Set priority in IPR back to original value */ + val = ctrl_inw(INTC_IPR01); + val |= value; + ctrl_outw(val, INTC_IPR01); + + /* FPGA mask reset */ + msk0 = ctrl_inw(INTMSK0); + msk1 = ctrl_inw(INTMSK1); + + switch (irq) { + case IRQ0_IRQ: + msk0 &= ~0x0010; + break; + case IRQ1_IRQ: + msk0 &= ~0x000f; + break; + case IRQ2_IRQ: + msk0 &= ~0x0f00; + msk1 &= ~0x00ff; + break; + } + ctrl_outw(msk0, INTMSK0); + ctrl_outw(msk1, INTMSK1); +} + +static unsigned int startup_se7206_irq(unsigned int irq) +{ + enable_se7206_irq(irq); + return 0; /* never anything pending */ +} + +static void ack_se7206_irq(unsigned int irq) +{ + disable_se7206_irq(irq); +} + +static void end_se7206_irq(unsigned int irq) +{ + unsigned short sts0,sts1; + + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_se7206_irq(irq); + /* FPGA isr clear */ + sts0 = ctrl_inw(INTSTS0); + sts1 = ctrl_inw(INTSTS1); + + switch (irq) { + case IRQ0_IRQ: + sts0 &= ~0x0010; + break; + case IRQ1_IRQ: + sts0 &= ~0x000f; + break; + case IRQ2_IRQ: + sts0 &= ~0x0f00; + sts1 &= ~0x00ff; + break; + } + ctrl_outw(sts0, INTSTS0); + ctrl_outw(sts1, INTSTS1); +} + +static struct hw_interrupt_type se7206_irq_type = { + .typename = "SE7206 FPGA-IRQ", + .startup = startup_se7206_irq, + .shutdown = shutdown_se7206_irq, + .enable = enable_se7206_irq, + .disable = disable_se7206_irq, + .ack = ack_se7206_irq, + .end = end_se7206_irq, +}; + +static void make_se7206_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &se7206_irq_type; + disable_se7206_irq(irq); +} + +/* + * Initialize IRQ setting + */ +void __init init_se7206_IRQ(void) +{ + make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */ + make_se7206_irq(IRQ1_IRQ); /* ATA */ + make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */ + ctrl_outw(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */ + + /* FPGA System register setup*/ + ctrl_outw(0x0000,INTSTS0); /* Clear INTSTS0 */ + ctrl_outw(0x0000,INTSTS1); /* Clear INTSTS1 */ + /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */ + ctrl_outw(0x0001,INTSEL); +} + +int se7206_irq_demux(int irq) +{ + return irq; +} -- cgit v1.2.3 From 710ee0cc45d095f7697821b330a3f8280205c2be Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 5 Nov 2006 16:48:42 +0900 Subject: sh: SE7206 build fixes. A number of API changes happened underneath the 7206 patches, update for everything that broke. Signed-off-by: Paul Mundt --- arch/sh/boards/se/7206/irq.c | 44 +++++++++++--------------------------------- 1 file changed, 11 insertions(+), 33 deletions(-) (limited to 'arch/sh/boards/se/7206/irq.c') diff --git a/arch/sh/boards/se/7206/irq.c b/arch/sh/boards/se/7206/irq.c index 8d5b278a124..3fb0c5f5b23 100644 --- a/arch/sh/boards/se/7206/irq.c +++ b/arch/sh/boards/se/7206/irq.c @@ -6,12 +6,10 @@ * Hitachi SolutionEngine Support. * */ - -#include #include #include -#include -#include +#include +#include #include #define INTSTS0 0x31800000 @@ -20,9 +18,6 @@ #define INTMSK1 0x31800006 #define INTSEL 0x31800008 -/* shutdown is same as "disable" */ -#define shutdown_se7206_irq disable_se7206_irq - static void disable_se7206_irq(unsigned int irq) { unsigned short val; @@ -84,18 +79,7 @@ static void enable_se7206_irq(unsigned int irq) ctrl_outw(msk1, INTMSK1); } -static unsigned int startup_se7206_irq(unsigned int irq) -{ - enable_se7206_irq(irq); - return 0; /* never anything pending */ -} - -static void ack_se7206_irq(unsigned int irq) -{ - disable_se7206_irq(irq); -} - -static void end_se7206_irq(unsigned int irq) +static void eoi_se7206_irq(unsigned int irq) { unsigned short sts0,sts1; @@ -121,20 +105,19 @@ static void end_se7206_irq(unsigned int irq) ctrl_outw(sts1, INTSTS1); } -static struct hw_interrupt_type se7206_irq_type = { - .typename = "SE7206 FPGA-IRQ", - .startup = startup_se7206_irq, - .shutdown = shutdown_se7206_irq, - .enable = enable_se7206_irq, - .disable = disable_se7206_irq, - .ack = ack_se7206_irq, - .end = end_se7206_irq, +static struct irq_chip se7206_irq_chip __read_mostly = { + .name = "SE7206-FPGA-IRQ", + .mask = disable_se7206_irq, + .unmask = enable_se7206_irq, + .mask_ack = disable_se7206_irq, + .eoi = eoi_se7206_irq, }; static void make_se7206_irq(unsigned int irq) { disable_irq_nosync(irq); - irq_desc[irq].handler = &se7206_irq_type; + set_irq_chip_and_handler_name(irq, &se7206_irq_chip, + handle_level_irq, "level"); disable_se7206_irq(irq); } @@ -154,8 +137,3 @@ void __init init_se7206_IRQ(void) /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */ ctrl_outw(0x0001,INTSEL); } - -int se7206_irq_demux(int irq) -{ - return irq; -} -- cgit v1.2.3 From 780a1568886a2f5df9bf11b72ba0624c80db5b3b Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Thu, 7 Dec 2006 18:01:23 +0900 Subject: sh: IPR IRQ updates for SH7619/SH7206. This updates the SH7619 and SH7206 code for the IPR IRQ changes. Signed-off-by: Yoshinori Sato Signed-off-by: Paul Mundt --- arch/sh/boards/se/7206/irq.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'arch/sh/boards/se/7206/irq.c') diff --git a/arch/sh/boards/se/7206/irq.c b/arch/sh/boards/se/7206/irq.c index 3fb0c5f5b23..27da88486f7 100644 --- a/arch/sh/boards/se/7206/irq.c +++ b/arch/sh/boards/se/7206/irq.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #define INTSTS0 0x31800000 @@ -18,6 +19,13 @@ #define INTMSK1 0x31800006 #define INTSEL 0x31800008 +#define IRQ0_IRQ 64 +#define IRQ1_IRQ 65 +#define IRQ3_IRQ 67 + +#define INTC_IPR01 0xfffe0818 +#define INTC_ICR1 0xfffe0802 + static void disable_se7206_irq(unsigned int irq) { unsigned short val; @@ -39,7 +47,7 @@ static void disable_se7206_irq(unsigned int irq) case IRQ1_IRQ: msk0 |= 0x000f; break; - case IRQ2_IRQ: + case IRQ3_IRQ: msk0 |= 0x0f00; msk1 |= 0x00ff; break; @@ -70,7 +78,7 @@ static void enable_se7206_irq(unsigned int irq) case IRQ1_IRQ: msk0 &= ~0x000f; break; - case IRQ2_IRQ: + case IRQ3_IRQ: msk0 &= ~0x0f00; msk1 &= ~0x00ff; break; @@ -96,7 +104,7 @@ static void eoi_se7206_irq(unsigned int irq) case IRQ1_IRQ: sts0 &= ~0x000f; break; - case IRQ2_IRQ: + case IRQ3_IRQ: sts0 &= ~0x0f00; sts1 &= ~0x00ff; break; @@ -106,7 +114,7 @@ static void eoi_se7206_irq(unsigned int irq) } static struct irq_chip se7206_irq_chip __read_mostly = { - .name = "SE7206-FPGA-IRQ", + .name = "SE7206-FPGA", .mask = disable_se7206_irq, .unmask = enable_se7206_irq, .mask_ack = disable_se7206_irq, -- cgit v1.2.3