From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/sh/boards/mach-sdk7780/Kconfig | 17 +++++++ arch/sh/boards/mach-sdk7780/Makefile | 6 +++ arch/sh/boards/mach-sdk7780/irq.c | 43 ++++++++++++++++ arch/sh/boards/mach-sdk7780/setup.c | 96 ++++++++++++++++++++++++++++++++++++ 4 files changed, 162 insertions(+) create mode 100644 arch/sh/boards/mach-sdk7780/Kconfig create mode 100644 arch/sh/boards/mach-sdk7780/Makefile create mode 100644 arch/sh/boards/mach-sdk7780/irq.c create mode 100644 arch/sh/boards/mach-sdk7780/setup.c (limited to 'arch/sh/boards/mach-sdk7780') diff --git a/arch/sh/boards/mach-sdk7780/Kconfig b/arch/sh/boards/mach-sdk7780/Kconfig new file mode 100644 index 000000000..d4392efd2 --- /dev/null +++ b/arch/sh/boards/mach-sdk7780/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0 +if SH_SDK7780 + +choice + prompt "SDK7780 options" + default SH_SDK7780_BASE + +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. + +endchoice + +endif diff --git a/arch/sh/boards/mach-sdk7780/Makefile b/arch/sh/boards/mach-sdk7780/Makefile new file mode 100644 index 000000000..37e857f9a --- /dev/null +++ b/arch/sh/boards/mach-sdk7780/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the SDK7780 specific parts of the kernel +# +obj-y := setup.o irq.o + diff --git a/arch/sh/boards/mach-sdk7780/irq.c b/arch/sh/boards/mach-sdk7780/irq.c new file mode 100644 index 000000000..fa392f3dc --- /dev/null +++ b/arch/sh/boards/mach-sdk7780/irq.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * linux/arch/sh/boards/renesas/sdk7780/irq.c + * + * Renesas Technology Europe SDK7780 Support. + * + * Copyright (C) 2008 Nicholas Beck + */ +#include +#include +#include +#include + +enum { + UNUSED = 0, + /* board specific interrupt sources */ + SMC91C111, /* Ethernet controller */ +}; + +static struct intc_vect fpga_vectors[] __initdata = { + INTC_IRQ(SMC91C111, IRQ_ETHERNET), +}; + +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 } }, +}; + +static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors, + NULL, fpga_mask_registers, NULL, NULL); + +void __init init_sdk7780_IRQ(void) +{ + printk(KERN_INFO "Using SDK7780 interrupt controller.\n"); + + __raw_writew(0xFFFF, FPGA_IRQ0MR); + /* Setup IRL 0-3 */ + __raw_writew(0x0003, FPGA_IMSR); + plat_irq_setup_pins(IRQ_MODE_IRL3210); + + register_intc_controller(&fpga_intc_desc); +} diff --git a/arch/sh/boards/mach-sdk7780/setup.c b/arch/sh/boards/mach-sdk7780/setup.c new file mode 100644 index 000000000..482761b78 --- /dev/null +++ b/arch/sh/boards/mach-sdk7780/setup.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * arch/sh/boards/renesas/sdk7780/setup.c + * + * Renesas Solutions SH7780 SDK Support + * Copyright (C) 2008 Nicholas Beck + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define GPIO_PECR 0xFFEA0008 + +/* Heartbeat */ +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, +}; + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + .num_resources = 1, + .resource = &heartbeat_resource, +}; + +/* 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, + }, +}; + +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, +}; + +static struct platform_device *sdk7780_devices[] __initdata = { + &heartbeat_device, + &smc91x_eth_device, +}; + +static int __init sdk7780_devices_setup(void) +{ + return platform_add_devices(sdk7780_devices, + ARRAY_SIZE(sdk7780_devices)); +} +device_initcall(sdk7780_devices_setup); + +static void __init sdk7780_setup(char **cmdline_p) +{ + u16 ver = __raw_readw(FPGA_FPVERR); + u16 dateStamp = __raw_readw(FPGA_FPDATER); + + 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); + + /* Setup pin mux'ing for PCIC */ + __raw_writew(0x0000, GPIO_PECR); +} + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_se7780 __initmv = { + .mv_name = "Renesas SDK7780-R3" , + .mv_setup = sdk7780_setup, + .mv_init_irq = init_sdk7780_IRQ, +}; + -- cgit v1.2.3