diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 00:55:47 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 00:55:47 -0400 |
commit | e86908614f2c7fec401827e5cefd7a6ea9407f85 (patch) | |
tree | fcb5d9e52422b37bdaf0e647126ebdfc1680f162 /arch/powerpc/platforms/8xx/ep88xc.c | |
parent | 547307420931344a868275bd7ea7a30f117a15a9 (diff) | |
parent | 9b4b8feb962f4b3e74768b7205f1f8f6cce87238 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits)
[POWERPC] Add memchr() to the bootwrapper
[POWERPC] Implement logging of unhandled signals
[POWERPC] Add legacy serial support for OPB with flattened device tree
[POWERPC] Use 1TB segments
[POWERPC] XilinxFB: Allow fixed framebuffer base address
[POWERPC] XilinxFB: Add support for custom screen resolution
[POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters
[POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci
[POWERPC] 4xx: Kilauea defconfig file
[POWERPC] 4xx: Kilauea DTS
[POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x
[POWERPC] 4xx: Add AMCC 405EX support to cputable.c
[POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable
[POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers
[POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig
[POWERPC] 85xx: Killed <asm/mpc85xx.h>
[POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS
[POWERPC] 85xx: Convert mpc8560ads to the new CPM binding.
[POWERPC] mpc8272ads: Remove muram from the CPM reg property.
[POWERPC] Make clockevents work on PPC601 processors
...
Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.
Diffstat (limited to 'arch/powerpc/platforms/8xx/ep88xc.c')
-rw-r--r-- | arch/powerpc/platforms/8xx/ep88xc.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c new file mode 100644 index 000000000000..c518b6cc5fab --- /dev/null +++ b/arch/powerpc/platforms/8xx/ep88xc.c | |||
@@ -0,0 +1,176 @@ | |||
1 | /* | ||
2 | * Platform setup for the Embedded Planet EP88xC board | ||
3 | * | ||
4 | * Author: Scott Wood <scottwood@freescale.com> | ||
5 | * Copyright 2007 Freescale Semiconductor, Inc. | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public License | ||
8 | * version 2. This program is licensed "as is" without any warranty of any | ||
9 | * kind, whether express or implied. | ||
10 | */ | ||
11 | |||
12 | #include <linux/init.h> | ||
13 | #include <linux/of_platform.h> | ||
14 | |||
15 | #include <asm/machdep.h> | ||
16 | #include <asm/io.h> | ||
17 | #include <asm/udbg.h> | ||
18 | #include <asm/commproc.h> | ||
19 | |||
20 | #include <sysdev/commproc.h> | ||
21 | |||
22 | struct cpm_pin { | ||
23 | int port, pin, flags; | ||
24 | }; | ||
25 | |||
26 | static struct cpm_pin ep88xc_pins[] = { | ||
27 | /* SMC1 */ | ||
28 | {1, 24, CPM_PIN_INPUT}, /* RX */ | ||
29 | {1, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ | ||
30 | |||
31 | /* SCC2 */ | ||
32 | {0, 12, CPM_PIN_INPUT}, /* TX */ | ||
33 | {0, 13, CPM_PIN_INPUT}, /* RX */ | ||
34 | {2, 8, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CD */ | ||
35 | {2, 9, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CTS */ | ||
36 | {2, 14, CPM_PIN_INPUT}, /* RTS */ | ||
37 | |||
38 | /* MII1 */ | ||
39 | {0, 0, CPM_PIN_INPUT}, | ||
40 | {0, 1, CPM_PIN_INPUT}, | ||
41 | {0, 2, CPM_PIN_INPUT}, | ||
42 | {0, 3, CPM_PIN_INPUT}, | ||
43 | {0, 4, CPM_PIN_OUTPUT}, | ||
44 | {0, 10, CPM_PIN_OUTPUT}, | ||
45 | {0, 11, CPM_PIN_OUTPUT}, | ||
46 | {1, 19, CPM_PIN_INPUT}, | ||
47 | {1, 31, CPM_PIN_INPUT}, | ||
48 | {2, 12, CPM_PIN_INPUT}, | ||
49 | {2, 13, CPM_PIN_INPUT}, | ||
50 | {3, 8, CPM_PIN_INPUT}, | ||
51 | {4, 30, CPM_PIN_OUTPUT}, | ||
52 | {4, 31, CPM_PIN_OUTPUT}, | ||
53 | |||
54 | /* MII2 */ | ||
55 | {4, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | ||
56 | {4, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | ||
57 | {4, 16, CPM_PIN_OUTPUT}, | ||
58 | {4, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | ||
59 | {4, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | ||
60 | {4, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | ||
61 | {4, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, | ||
62 | {4, 21, CPM_PIN_OUTPUT}, | ||
63 | {4, 22, CPM_PIN_OUTPUT}, | ||
64 | {4, 23, CPM_PIN_OUTPUT}, | ||
65 | {4, 24, CPM_PIN_OUTPUT}, | ||
66 | {4, 25, CPM_PIN_OUTPUT}, | ||
67 | {4, 26, CPM_PIN_OUTPUT}, | ||
68 | {4, 27, CPM_PIN_OUTPUT}, | ||
69 | {4, 28, CPM_PIN_OUTPUT}, | ||
70 | {4, 29, CPM_PIN_OUTPUT}, | ||
71 | |||
72 | /* USB */ | ||
73 | {0, 6, CPM_PIN_INPUT}, /* CLK2 */ | ||
74 | {0, 14, CPM_PIN_INPUT}, /* USBOE */ | ||
75 | {0, 15, CPM_PIN_INPUT}, /* USBRXD */ | ||
76 | {2, 6, CPM_PIN_OUTPUT}, /* USBTXN */ | ||
77 | {2, 7, CPM_PIN_OUTPUT}, /* USBTXP */ | ||
78 | {2, 10, CPM_PIN_INPUT}, /* USBRXN */ | ||
79 | {2, 11, CPM_PIN_INPUT}, /* USBRXP */ | ||
80 | |||
81 | /* Misc */ | ||
82 | {1, 26, CPM_PIN_INPUT}, /* BRGO2 */ | ||
83 | {1, 27, CPM_PIN_INPUT}, /* BRGO1 */ | ||
84 | }; | ||
85 | |||
86 | static void __init init_ioports(void) | ||
87 | { | ||
88 | int i; | ||
89 | |||
90 | for (i = 0; i < ARRAY_SIZE(ep88xc_pins); i++) { | ||
91 | struct cpm_pin *pin = &ep88xc_pins[i]; | ||
92 | cpm1_set_pin(pin->port, pin->pin, pin->flags); | ||
93 | } | ||
94 | |||
95 | cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); | ||
96 | cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_TX); /* USB */ | ||
97 | cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX); | ||
98 | cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX); | ||
99 | cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX); | ||
100 | } | ||
101 | |||
102 | static u8 __iomem *ep88xc_bcsr; | ||
103 | |||
104 | #define BCSR7_SCC2_ENABLE 0x10 | ||
105 | |||
106 | #define BCSR8_PHY1_ENABLE 0x80 | ||
107 | #define BCSR8_PHY1_POWER 0x40 | ||
108 | #define BCSR8_PHY2_ENABLE 0x20 | ||
109 | #define BCSR8_PHY2_POWER 0x10 | ||
110 | |||
111 | #define BCSR9_USB_ENABLE 0x80 | ||
112 | #define BCSR9_USB_POWER 0x40 | ||
113 | #define BCSR9_USB_HOST 0x20 | ||
114 | #define BCSR9_USB_FULL_SPEED_TARGET 0x10 | ||
115 | |||
116 | static void __init ep88xc_setup_arch(void) | ||
117 | { | ||
118 | struct device_node *np; | ||
119 | |||
120 | cpm_reset(); | ||
121 | init_ioports(); | ||
122 | |||
123 | np = of_find_compatible_node(NULL, NULL, "fsl,ep88xc-bcsr"); | ||
124 | if (!np) { | ||
125 | printk(KERN_CRIT "Could not find fsl,ep88xc-bcsr node\n"); | ||
126 | return; | ||
127 | } | ||
128 | |||
129 | ep88xc_bcsr = of_iomap(np, 0); | ||
130 | of_node_put(np); | ||
131 | |||
132 | if (!ep88xc_bcsr) { | ||
133 | printk(KERN_CRIT "Could not remap BCSR\n"); | ||
134 | return; | ||
135 | } | ||
136 | |||
137 | setbits8(&ep88xc_bcsr[7], BCSR7_SCC2_ENABLE); | ||
138 | setbits8(&ep88xc_bcsr[8], BCSR8_PHY1_ENABLE | BCSR8_PHY1_POWER | | ||
139 | BCSR8_PHY2_ENABLE | BCSR8_PHY2_POWER); | ||
140 | } | ||
141 | |||
142 | static int __init ep88xc_probe(void) | ||
143 | { | ||
144 | unsigned long root = of_get_flat_dt_root(); | ||
145 | return of_flat_dt_is_compatible(root, "fsl,ep88xc"); | ||
146 | } | ||
147 | |||
148 | static struct of_device_id __initdata of_bus_ids[] = { | ||
149 | { .name = "soc", }, | ||
150 | { .name = "cpm", }, | ||
151 | { .name = "localbus", }, | ||
152 | {}, | ||
153 | }; | ||
154 | |||
155 | static int __init declare_of_platform_devices(void) | ||
156 | { | ||
157 | /* Publish the QE devices */ | ||
158 | if (machine_is(ep88xc)) | ||
159 | of_platform_bus_probe(NULL, of_bus_ids, NULL); | ||
160 | |||
161 | return 0; | ||
162 | } | ||
163 | device_initcall(declare_of_platform_devices); | ||
164 | |||
165 | define_machine(ep88xc) { | ||
166 | .name = "Embedded Planet EP88xC", | ||
167 | .probe = ep88xc_probe, | ||
168 | .setup_arch = ep88xc_setup_arch, | ||
169 | .init_IRQ = m8xx_pic_init, | ||
170 | .get_irq = mpc8xx_get_irq, | ||
171 | .restart = mpc8xx_restart, | ||
172 | .calibrate_decr = mpc8xx_calibrate_decr, | ||
173 | .set_rtc_time = mpc8xx_set_rtc_time, | ||
174 | .get_rtc_time = mpc8xx_get_rtc_time, | ||
175 | .progress = udbg_progress, | ||
176 | }; | ||