xref: /openbmc/linux/arch/arm/mach-bcm/brcmstb.c (revision 20e2fc42)
1 /*
2  * Copyright (C) 2013-2014 Broadcom Corporation
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation version 2.
7  *
8  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
9  * kind, whether express or implied; without even the implied warranty
10  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  */
13 
14 #include <linux/init.h>
15 #include <linux/irqchip.h>
16 #include <linux/of_platform.h>
17 
18 #include <asm/mach-types.h>
19 #include <asm/mach/arch.h>
20 
21 /*
22  * Storage for debug-macro.S's state.
23  *
24  * This must be in .data not .bss so that it gets initialized each time the
25  * kernel is loaded. The data is declared here rather than debug-macro.S so
26  * that multiple inclusions of debug-macro.S point at the same data.
27  */
28 u32 brcmstb_uart_config[3] = {
29 	/* Debug UART initialization required */
30 	1,
31 	/* Debug UART physical address */
32 	0,
33 	/* Debug UART virtual address */
34 	0,
35 };
36 
37 static void __init brcmstb_init_irq(void)
38 {
39 	irqchip_init();
40 }
41 
42 static const char *const brcmstb_match[] __initconst = {
43 	"brcm,bcm7445",
44 	"brcm,brcmstb",
45 	NULL
46 };
47 
48 DT_MACHINE_START(BRCMSTB, "Broadcom STB (Flattened Device Tree)")
49 	.dt_compat	= brcmstb_match,
50 	.init_irq	= brcmstb_init_irq,
51 MACHINE_END
52