diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/m68knommu/platform/5307/Makefile | 4 | ||||
| -rw-r--r-- | arch/m68knommu/platform/5307/nettel.c | 153 |
2 files changed, 156 insertions, 1 deletions
diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile index 667db6598451..6de526976828 100644 --- a/arch/m68knommu/platform/5307/Makefile +++ b/arch/m68knommu/platform/5307/Makefile | |||
| @@ -14,5 +14,7 @@ | |||
| 14 | 14 | ||
| 15 | asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 | 15 | asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 |
| 16 | 16 | ||
| 17 | obj-y += config.o gpio.o | 17 | obj-y += config.o gpio.o |
| 18 | obj-$(CONFIG_NETtel) += nettel.o | ||
| 19 | obj-$(CONFIG_CLEOPATRA) += nettel.o | ||
| 18 | 20 | ||
diff --git a/arch/m68knommu/platform/5307/nettel.c b/arch/m68knommu/platform/5307/nettel.c new file mode 100644 index 000000000000..e925ea4602f8 --- /dev/null +++ b/arch/m68knommu/platform/5307/nettel.c | |||
| @@ -0,0 +1,153 @@ | |||
| 1 | /***************************************************************************/ | ||
| 2 | |||
| 3 | /* | ||
| 4 | * nettel.c -- startup code support for the NETtel boards | ||
| 5 | * | ||
| 6 | * Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com) | ||
| 7 | */ | ||
| 8 | |||
| 9 | /***************************************************************************/ | ||
| 10 | |||
| 11 | #include <linux/kernel.h> | ||
| 12 | #include <linux/param.h> | ||
| 13 | #include <linux/init.h> | ||
| 14 | #include <linux/io.h> | ||
| 15 | #include <linux/platform_device.h> | ||
| 16 | #include <asm/coldfire.h> | ||
| 17 | #include <asm/mcfsim.h> | ||
| 18 | #include <asm/nettel.h> | ||
| 19 | |||
| 20 | /***************************************************************************/ | ||
| 21 | |||
| 22 | /* | ||
| 23 | * Define the IO and interrupt resources of the 2 SMC9196 interfaces. | ||
| 24 | */ | ||
| 25 | #define NETTEL_SMC0_ADDR 0x30600300 | ||
| 26 | #define NETTEL_SMC0_IRQ 29 | ||
| 27 | |||
| 28 | #define NETTEL_SMC1_ADDR 0x30600000 | ||
| 29 | #define NETTEL_SMC1_IRQ 27 | ||
| 30 | |||
| 31 | /* | ||
| 32 | * We need some access into the SMC9196 registers. Define those registers | ||
| 33 | * we will need here (including the smc91x.h doesn't seem to give us these | ||
| 34 | * in a simple form). | ||
| 35 | */ | ||
| 36 | #define SMC91xx_BANKSELECT 14 | ||
| 37 | #define SMC91xx_BASEADDR 2 | ||
| 38 | #define SMC91xx_BASEMAC 4 | ||
| 39 | |||
| 40 | /***************************************************************************/ | ||
| 41 | |||
| 42 | static struct resource nettel_smc91x_0_resources[] = { | ||
| 43 | { | ||
| 44 | .start = NETTEL_SMC0_ADDR, | ||
| 45 | .end = NETTEL_SMC0_ADDR + 0x20, | ||
| 46 | .flags = IORESOURCE_MEM, | ||
| 47 | }, | ||
| 48 | { | ||
| 49 | .start = NETTEL_SMC0_IRQ, | ||
| 50 | .end = NETTEL_SMC0_IRQ, | ||
| 51 | .flags = IORESOURCE_IRQ, | ||
| 52 | }, | ||
| 53 | }; | ||
| 54 | |||
| 55 | static struct resource nettel_smc91x_1_resources[] = { | ||
| 56 | { | ||
| 57 | .start = NETTEL_SMC1_ADDR, | ||
| 58 | .end = NETTEL_SMC1_ADDR + 0x20, | ||
| 59 | .flags = IORESOURCE_MEM, | ||
| 60 | }, | ||
| 61 | { | ||
| 62 | .start = NETTEL_SMC1_IRQ, | ||
| 63 | .end = NETTEL_SMC1_IRQ, | ||
| 64 | .flags = IORESOURCE_IRQ, | ||
| 65 | }, | ||
| 66 | }; | ||
| 67 | |||
| 68 | static struct platform_device nettel_smc91x[] = { | ||
| 69 | { | ||
| 70 | .name = "smc91x", | ||
| 71 | .id = 0, | ||
| 72 | .num_resources = ARRAY_SIZE(nettel_smc91x_0_resources), | ||
| 73 | .resource = nettel_smc91x_0_resources, | ||
| 74 | }, | ||
| 75 | { | ||
| 76 | .name = "smc91x", | ||
| 77 | .id = 1, | ||
| 78 | .num_resources = ARRAY_SIZE(nettel_smc91x_1_resources), | ||
| 79 | .resource = nettel_smc91x_1_resources, | ||
| 80 | }, | ||
| 81 | }; | ||
| 82 | |||
| 83 | static struct platform_device *nettel_devices[] __initdata = { | ||
| 84 | &nettel_smc91x[0], | ||
| 85 | &nettel_smc91x[1], | ||
| 86 | }; | ||
| 87 | |||
| 88 | /***************************************************************************/ | ||
| 89 | |||
| 90 | static u8 nettel_macdefault[] __initdata = { | ||
| 91 | 0x00, 0xd0, 0xcf, 0x00, 0x00, 0x01, | ||
| 92 | }; | ||
| 93 | |||
| 94 | /* | ||
| 95 | * Set flash contained MAC address into SMC9196 core. Make sure the flash | ||
| 96 | * MAC address is sane, and not an empty flash. If no good use the Moreton | ||
| 97 | * Bay default MAC address instead. | ||
| 98 | */ | ||
| 99 | |||
| 100 | static void __init nettel_smc91x_setmac(unsigned int ioaddr, unsigned int flashaddr) | ||
| 101 | { | ||
| 102 | u16 *macp; | ||
| 103 | |||
| 104 | macp = (u16 *) flashaddr; | ||
| 105 | if ((macp[0] == 0xffff) && (macp[1] == 0xffff) && (macp[2] == 0xffff)) | ||
| 106 | macp = (u16 *) &nettel_macdefault[0]; | ||
| 107 | |||
| 108 | writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT); | ||
| 109 | writew(macp[0], ioaddr + SMC91xx_BASEMAC); | ||
| 110 | writew(macp[1], ioaddr + SMC91xx_BASEMAC + 2); | ||
| 111 | writew(macp[2], ioaddr + SMC91xx_BASEMAC + 4); | ||
| 112 | } | ||
| 113 | |||
| 114 | /***************************************************************************/ | ||
| 115 | |||
| 116 | /* | ||
| 117 | * Re-map the address space of at least one of the SMC ethernet | ||
| 118 | * parts. Both parts power up decoding the same address, so we | ||
| 119 | * need to move one of them first, before doing anything else. | ||
| 120 | */ | ||
| 121 | |||
| 122 | static void __init nettel_smc91x_init(void) | ||
| 123 | { | ||
| 124 | writew(0x00ec, MCF_MBAR + MCFSIM_PADDR); | ||
| 125 | mcf_setppdata(0, 0x0080); | ||
| 126 | writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT); | ||
| 127 | writew(0x0067, NETTEL_SMC0_ADDR + SMC91xx_BASEADDR); | ||
| 128 | mcf_setppdata(0x0080, 0); | ||
| 129 | |||
| 130 | /* Set correct chip select timing for SMC9196 accesses */ | ||
| 131 | writew(0x1180, MCF_MBAR + MCFSIM_CSCR3); | ||
| 132 | |||
| 133 | /* Set the SMC interrupts to be auto-vectored */ | ||
| 134 | mcf_autovector(NETTEL_SMC0_IRQ); | ||
| 135 | mcf_autovector(NETTEL_SMC1_IRQ); | ||
| 136 | |||
| 137 | /* Set MAC addresses from flash for both interfaces */ | ||
| 138 | nettel_smc91x_setmac(NETTEL_SMC0_ADDR, 0xf0006000); | ||
| 139 | nettel_smc91x_setmac(NETTEL_SMC1_ADDR, 0xf0006006); | ||
| 140 | } | ||
| 141 | |||
| 142 | /***************************************************************************/ | ||
| 143 | |||
| 144 | static int __init init_nettel(void) | ||
| 145 | { | ||
| 146 | nettel_smc91x_init(); | ||
| 147 | platform_add_devices(nettel_devices, ARRAY_SIZE(nettel_devices)); | ||
| 148 | return 0; | ||
| 149 | } | ||
| 150 | |||
| 151 | arch_initcall(init_nettel); | ||
| 152 | |||
| 153 | /***************************************************************************/ | ||
