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Add support for Renesas Technology Europe SDK7780 board. Signed-off-by: Nicholas Beck <nbeck@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Nicholas Beck
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Paul Mundt
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Jan 28, 2008
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,23 @@ | ||
| if SH_SDK7780 | ||
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| choice | ||
| prompt "SDK7780 options" | ||
| default SH_SDK7780_BASE | ||
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| config SH_SDK7780_STANDALONE | ||
| bool "SDK7780 board support" | ||
| depends on CPU_SUBTYPE_SH7780 | ||
| help | ||
| Selecting this option will enable support for the | ||
| standalone version of the SDK7780. If in doubt, say Y. | ||
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| config SH_SDK7780_BASE | ||
| bool "SDK7780 with base-board support" | ||
| depends on CPU_SUBTYPE_SH7780 | ||
| help | ||
| Selecting this option will enable support for the expansion | ||
| baseboard devices. If in doubt, say Y. | ||
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| endchoice | ||
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| endif |
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| # | ||
| # Makefile for the SDK7780 specific parts of the kernel | ||
| # | ||
| obj-y := setup.o irq.o | ||
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| /* | ||
| * linux/arch/sh/boards/renesas/sdk7780/irq.c | ||
| * | ||
| * Renesas Technology Europe SDK7780 Support. | ||
| * | ||
| * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk> | ||
| * | ||
| * 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/sdk7780.h> | ||
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| enum { | ||
| UNUSED = 0, | ||
| /* board specific interrupt sources */ | ||
| SMC91C111, /* Ethernet controller */ | ||
| }; | ||
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| static struct intc_vect fpga_vectors[] __initdata = { | ||
| INTC_IRQ(SMC91C111, IRQ_ETHERNET), | ||
| }; | ||
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| static struct intc_mask_reg fpga_mask_registers[] __initdata = { | ||
| { 0, FPGA_IRQ0MR, 16, | ||
| { 0, 0, 0, 0, 0, 0, 0, 0, | ||
| 0, 0, 0, SMC91C111, 0, 0, 0, 0 } }, | ||
| }; | ||
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| static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors, | ||
| NULL, fpga_mask_registers, NULL, NULL); | ||
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| void __init init_sdk7780_IRQ(void) | ||
| { | ||
| printk(KERN_INFO "Using SDK7780 interrupt controller.\n"); | ||
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| ctrl_outw(0xFFFF, FPGA_IRQ0MR); | ||
| /* Setup IRL 0-3 */ | ||
| ctrl_outw(0x0003, FPGA_IMSR); | ||
| plat_irq_setup_pins(IRQ_MODE_IRL3210); | ||
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| register_intc_controller(&fpga_intc_desc); | ||
| } |
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| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * arch/sh/boards/renesas/sdk7780/setup.c | ||
| * | ||
| * Renesas Solutions SH7780 SDK Support | ||
| * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk> | ||
| * | ||
| * 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/types.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/pata_platform.h> | ||
| #include <asm/machvec.h> | ||
| #include <asm/sdk7780.h> | ||
| #include <asm/heartbeat.h> | ||
| #include <asm/io.h> | ||
| #include <asm/addrspace.h> | ||
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| #define GPIO_PECR 0xFFEA0008 | ||
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| //* Heartbeat */ | ||
| static struct heartbeat_data heartbeat_data = { | ||
| .regsize = 16, | ||
| }; | ||
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| static struct resource heartbeat_resources[] = { | ||
| [0] = { | ||
| .start = PA_LED, | ||
| .end = PA_LED, | ||
| .flags = IORESOURCE_MEM, | ||
| }, | ||
| }; | ||
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| static struct platform_device heartbeat_device = { | ||
| .name = "heartbeat", | ||
| .id = -1, | ||
| .dev = { | ||
| .platform_data = &heartbeat_data, | ||
| }, | ||
| .num_resources = ARRAY_SIZE(heartbeat_resources), | ||
| .resource = heartbeat_resources, | ||
| }; | ||
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| /* SMC91x */ | ||
| static struct resource smc91x_eth_resources[] = { | ||
| [0] = { | ||
| .name = "smc91x-regs" , | ||
| .start = PA_LAN + 0x300, | ||
| .end = PA_LAN + 0x300 + 0x10 , | ||
| .flags = IORESOURCE_MEM, | ||
| }, | ||
| [1] = { | ||
| .start = IRQ_ETHERNET, | ||
| .end = IRQ_ETHERNET, | ||
| .flags = IORESOURCE_IRQ, | ||
| }, | ||
| }; | ||
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| static struct platform_device smc91x_eth_device = { | ||
| .name = "smc91x", | ||
| .id = 0, | ||
| .dev = { | ||
| .dma_mask = NULL, /* don't use dma */ | ||
| .coherent_dma_mask = 0xffffffff, | ||
| }, | ||
| .num_resources = ARRAY_SIZE(smc91x_eth_resources), | ||
| .resource = smc91x_eth_resources, | ||
| }; | ||
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| static struct platform_device *sdk7780_devices[] __initdata = { | ||
| &heartbeat_device, | ||
| &smc91x_eth_device, | ||
| }; | ||
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| static int __init sdk7780_devices_setup(void) | ||
| { | ||
| return platform_add_devices(sdk7780_devices, | ||
| ARRAY_SIZE(sdk7780_devices)); | ||
| } | ||
| device_initcall(sdk7780_devices_setup); | ||
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| static void __init sdk7780_setup(char **cmdline_p) | ||
| { | ||
| u16 ver = ctrl_inw(FPGA_FPVERR); | ||
| u16 dateStamp = ctrl_inw(FPGA_FPDATER); | ||
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| printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n"); | ||
| printk(KERN_INFO "Board version: %d (revision %d), " | ||
| "FPGA version: %d (revision %d), datestamp : %d\n", | ||
| (ver >> 12) & 0xf, (ver >> 8) & 0xf, | ||
| (ver >> 4) & 0xf, ver & 0xf, | ||
| dateStamp); | ||
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| /* Setup pin mux'ing for PCIC */ | ||
| ctrl_outw(0x0000, GPIO_PECR); | ||
| } | ||
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| /* | ||
| * The Machine Vector | ||
| */ | ||
| static struct sh_machine_vector mv_se7780 __initmv = { | ||
| .mv_name = "Renesas SDK7780-R3" , | ||
| .mv_setup = sdk7780_setup, | ||
| .mv_nr_irqs = 111, | ||
| .mv_init_irq = init_sdk7780_IRQ, | ||
| }; | ||
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