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authorKim Phillips <kim.phillips@freescale.com>2006-06-30 19:41:20 -0400
committerKumar Gala <galak@kernel.crashing.org>2006-07-03 16:43:43 -0400
commit00280166993af8469dbfee24b779b61d3dd326c3 (patch)
tree9754af3c7bbdba335d84352456cb6aba71484645 /arch/powerpc/platforms
parentfcc18e83e1f6fd9fa6b333735bf0fcd530655511 (diff)
powerpc: Add base support for the Freescale MPC8349E-mITX eval board
Added support for the Freescale MPC8343e-mITX board. Currently based on the 8343 SYS code. The 2nd PHY (5-port switch) and SATA are untested (work in progress). Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/83xx/Kconfig11
-rw-r--r--arch/powerpc/platforms/83xx/Makefile1
-rw-r--r--arch/powerpc/platforms/83xx/mpc834x_itx.c156
-rw-r--r--arch/powerpc/platforms/83xx/mpc834x_itx.h23
4 files changed, 190 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 7675e675dce1..5fe7b7faf45f 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -16,12 +16,21 @@ config MPC834x_SYS
16 3 PCI slots. The PIBs PCI initialization is the bootloader's 16 3 PCI slots. The PIBs PCI initialization is the bootloader's
17 responsiblilty. 17 responsiblilty.
18 18
19config MPC834x_ITX
20 bool "Freescale MPC834x ITX"
21 select DEFAULT_UIMAGE
22 help
23 This option enables support for the MPC 834x ITX evaluation board.
24
25 Be aware that PCI initialization is the bootloader's
26 responsiblilty.
27
19endchoice 28endchoice
20 29
21config MPC834x 30config MPC834x
22 bool 31 bool
23 select PPC_UDBG_16550 32 select PPC_UDBG_16550
24 select PPC_INDIRECT_PCI 33 select PPC_INDIRECT_PCI
25 default y if MPC834x_SYS 34 default y if MPC834x_SYS || MPC834x_ITX
26 35
27endmenu 36endmenu
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 5c72367441a8..9387a110d28a 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -4,3 +4,4 @@
4obj-y := misc.o 4obj-y := misc.o
5obj-$(CONFIG_PCI) += pci.o 5obj-$(CONFIG_PCI) += pci.o
6obj-$(CONFIG_MPC834x_SYS) += mpc834x_sys.o 6obj-$(CONFIG_MPC834x_SYS) += mpc834x_sys.o
7obj-$(CONFIG_MPC834x_ITX) += mpc834x_itx.o
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
new file mode 100644
index 000000000000..b46305645d38
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -0,0 +1,156 @@
1/*
2 * arch/powerpc/platforms/83xx/mpc834x_itx.c
3 *
4 * MPC834x ITX board specific routines
5 *
6 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13
14#include <linux/config.h>
15#include <linux/stddef.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/errno.h>
19#include <linux/reboot.h>
20#include <linux/pci.h>
21#include <linux/kdev_t.h>
22#include <linux/major.h>
23#include <linux/console.h>
24#include <linux/delay.h>
25#include <linux/seq_file.h>
26#include <linux/root_dev.h>
27
28#include <asm/system.h>
29#include <asm/atomic.h>
30#include <asm/time.h>
31#include <asm/io.h>
32#include <asm/machdep.h>
33#include <asm/ipic.h>
34#include <asm/bootinfo.h>
35#include <asm/irq.h>
36#include <asm/prom.h>
37#include <asm/udbg.h>
38#include <sysdev/fsl_soc.h>
39
40#include "mpc83xx.h"
41
42#include <platforms/83xx/mpc834x_sys.h>
43
44#ifndef CONFIG_PCI
45unsigned long isa_io_base = 0;
46unsigned long isa_mem_base = 0;
47#endif
48
49#ifdef CONFIG_PCI
50static int
51mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
52{
53 static char pci_irq_table[][4] =
54 /*
55 * PCI IDSEL/INTPIN->INTLINE
56 * A B C D
57 */
58 {
59 {PIRQB, PIRQC, PIRQD, PIRQA}, /* idsel 0x0e */
60 {PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x0f */
61 {PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x10 */
62 };
63
64 const long min_idsel = 0x0e, max_idsel = 0x10, irqs_per_slot = 4;
65 return PCI_IRQ_TABLE_LOOKUP;
66}
67#endif /* CONFIG_PCI */
68
69/* ************************************************************************
70 *
71 * Setup the architecture
72 *
73 */
74static void __init mpc834x_itx_setup_arch(void)
75{
76 struct device_node *np;
77
78 if (ppc_md.progress)
79 ppc_md.progress("mpc834x_itx_setup_arch()", 0);
80
81 np = of_find_node_by_type(NULL, "cpu");
82 if (np != 0) {
83 unsigned int *fp =
84 (int *)get_property(np, "clock-frequency", NULL);
85 if (fp != 0)
86 loops_per_jiffy = *fp / HZ;
87 else
88 loops_per_jiffy = 50000000 / HZ;
89 of_node_put(np);
90 }
91#ifdef CONFIG_PCI
92 for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
93 add_bridge(np);
94
95 ppc_md.pci_swizzle = common_swizzle;
96 ppc_md.pci_map_irq = mpc83xx_map_irq;
97 ppc_md.pci_exclude_device = mpc83xx_exclude_device;
98#endif
99
100#ifdef CONFIG_ROOT_NFS
101 ROOT_DEV = Root_NFS;
102#else
103 ROOT_DEV = Root_HDA1;
104#endif
105}
106
107void __init mpc834x_itx_init_IRQ(void)
108{
109 u8 senses[8] = {
110 0, /* EXT 0 */
111 IRQ_SENSE_LEVEL, /* EXT 1 */
112 IRQ_SENSE_LEVEL, /* EXT 2 */
113 0, /* EXT 3 */
114#ifdef CONFIG_PCI
115 IRQ_SENSE_LEVEL, /* EXT 4 */
116 IRQ_SENSE_LEVEL, /* EXT 5 */
117 IRQ_SENSE_LEVEL, /* EXT 6 */
118 IRQ_SENSE_LEVEL, /* EXT 7 */
119#else
120 0, /* EXT 4 */
121 0, /* EXT 5 */
122 0, /* EXT 6 */
123 0, /* EXT 7 */
124#endif
125 };
126
127 ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
128
129 /* Initialize the default interrupt mapping priorities,
130 * in case the boot rom changed something on us.
131 */
132 ipic_set_default_priority();
133}
134
135/*
136 * Called very early, MMU is off, device-tree isn't unflattened
137 */
138static int __init mpc834x_itx_probe(void)
139{
140 /* We always match for now, eventually we should look at the flat
141 dev tree to ensure this is the board we are suppose to run on
142 */
143 return 1;
144}
145
146define_machine(mpc834x_itx) {
147 .name = "MPC834x ITX",
148 .probe = mpc834x_itx_probe,
149 .setup_arch = mpc834x_itx_setup_arch,
150 .init_IRQ = mpc834x_itx_init_IRQ,
151 .get_irq = ipic_get_irq,
152 .restart = mpc83xx_restart,
153 .time_init = mpc83xx_time_init,
154 .calibrate_decr = generic_calibrate_decr,
155 .progress = udbg_progress,
156};
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.h b/arch/powerpc/platforms/83xx/mpc834x_itx.h
new file mode 100644
index 000000000000..174ca4ef55f3
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.h
@@ -0,0 +1,23 @@
1/*
2 * arch/powerpc/platforms/83xx/mpc834x_itx.h
3 *
4 * MPC834X ITX common board definitions
5 *
6 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 */
14
15#ifndef __MACH_MPC83XX_ITX_H__
16#define __MACH_MPC83XX_ITX_H__
17
18#define PIRQA MPC83xx_IRQ_EXT4
19#define PIRQB MPC83xx_IRQ_EXT5
20#define PIRQC MPC83xx_IRQ_EXT6
21#define PIRQD MPC83xx_IRQ_EXT7
22
23#endif /* __MACH_MPC83XX_ITX_H__ */