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openwrt-mirror/target/linux/octeon/patches-2.6.30/017-platform_devices.patch
Florian Fainelli 7b56fb6337 move generic config and patches directory to be 2.6.30 specific 
SVN-Revision: 19513
2010-02-04 10:10:45 +00:00

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From: David Daney <ddaney@caviumnetworks.com>
Date: Wed, 16 Sep 2009 21:54:18 +0000 (-0700)
Subject: MIPS: Octeon: Move some platform device registration to its own file.
X-Git-Tag: linux-2.6.32-rc1~29
X-Git-Url: http://www.linux-mips.org/git?p=linux.git;a=commitdiff_plain;h=936c111e;hp=e1302af3482d3955f5a6100160e595e792d5f1e4
MIPS: Octeon: Move some platform device registration to its own file.
There is a bunch of platform device registration in
arch/mips/cavium-octeon/setup.c. We move it to its own file in
preparation for adding more platform devices.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile
index d6903c3..1394362 100644
--- a/arch/mips/cavium-octeon/Makefile
+++ b/arch/mips/cavium-octeon/Makefile
@@ -6,10 +6,10 @@
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
-# Copyright (C) 2005-2008 Cavium Networks
+# Copyright (C) 2005-2009 Cavium Networks
#
-obj-y := setup.o serial.o octeon-irq.o csrc-octeon.o
+obj-y := setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o
obj-y += dma-octeon.o flash_setup.o
obj-y += octeon-memcpy.o
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
new file mode 100644
index 0000000..be711dd
--- /dev/null
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -0,0 +1,164 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2004-2009 Cavium Networks
+ * Copyright (C) 2008 Wind River Systems
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/octeon/octeon.h>
+#include <asm/octeon/cvmx-rnm-defs.h>
+
+static struct octeon_cf_data octeon_cf_data;
+
+static int __init octeon_cf_device_init(void)
+{
+ union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg;
+ unsigned long base_ptr, region_base, region_size;
+ struct platform_device *pd;
+ struct resource cf_resources[3];
+ unsigned int num_resources;
+ int i;
+ int ret = 0;
+
+ /* Setup octeon-cf platform device if present. */
+ base_ptr = 0;
+ if (octeon_bootinfo->major_version == 1
+ && octeon_bootinfo->minor_version >= 1) {
+ if (octeon_bootinfo->compact_flash_common_base_addr)
+ base_ptr =
+ octeon_bootinfo->compact_flash_common_base_addr;
+ } else {
+ base_ptr = 0x1d000800;
+ }
+
+ if (!base_ptr)
+ return ret;
+
+ /* Find CS0 region. */
+ for (i = 0; i < 8; i++) {
+ mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(i));
+ region_base = mio_boot_reg_cfg.s.base << 16;
+ region_size = (mio_boot_reg_cfg.s.size + 1) << 16;
+ if (mio_boot_reg_cfg.s.en && base_ptr >= region_base
+ && base_ptr < region_base + region_size)
+ break;
+ }
+ if (i >= 7) {
+ /* i and i + 1 are CS0 and CS1, both must be less than 8. */
+ goto out;
+ }
+ octeon_cf_data.base_region = i;
+ octeon_cf_data.is16bit = mio_boot_reg_cfg.s.width;
+ octeon_cf_data.base_region_bias = base_ptr - region_base;
+ memset(cf_resources, 0, sizeof(cf_resources));
+ num_resources = 0;
+ cf_resources[num_resources].flags = IORESOURCE_MEM;
+ cf_resources[num_resources].start = region_base;
+ cf_resources[num_resources].end = region_base + region_size - 1;
+ num_resources++;
+
+
+ if (!(base_ptr & 0xfffful)) {
+ /*
+ * Boot loader signals availability of DMA (true_ide
+ * mode) by setting low order bits of base_ptr to
+ * zero.
+ */
+
+ /* Asume that CS1 immediately follows. */
+ mio_boot_reg_cfg.u64 =
+ cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(i + 1));
+ region_base = mio_boot_reg_cfg.s.base << 16;
+ region_size = (mio_boot_reg_cfg.s.size + 1) << 16;
+ if (!mio_boot_reg_cfg.s.en)
+ goto out;
+
+ cf_resources[num_resources].flags = IORESOURCE_MEM;
+ cf_resources[num_resources].start = region_base;
+ cf_resources[num_resources].end = region_base + region_size - 1;
+ num_resources++;
+
+ octeon_cf_data.dma_engine = 0;
+ cf_resources[num_resources].flags = IORESOURCE_IRQ;
+ cf_resources[num_resources].start = OCTEON_IRQ_BOOTDMA;
+ cf_resources[num_resources].end = OCTEON_IRQ_BOOTDMA;
+ num_resources++;
+ } else {
+ octeon_cf_data.dma_engine = -1;
+ }
+
+ pd = platform_device_alloc("pata_octeon_cf", -1);
+ if (!pd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ pd->dev.platform_data = &octeon_cf_data;
+
+ ret = platform_device_add_resources(pd, cf_resources, num_resources);
+ if (ret)
+ goto fail;
+
+ ret = platform_device_add(pd);
+ if (ret)
+ goto fail;
+
+ return ret;
+fail:
+ platform_device_put(pd);
+out:
+ return ret;
+}
+device_initcall(octeon_cf_device_init);
+
+/* Octeon Random Number Generator. */
+static int __init octeon_rng_device_init(void)
+{
+ struct platform_device *pd;
+ int ret = 0;
+
+ struct resource rng_resources[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ .start = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS),
+ .end = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS) + 0xf
+ }, {
+ .flags = IORESOURCE_MEM,
+ .start = cvmx_build_io_address(8, 0),
+ .end = cvmx_build_io_address(8, 0) + 0x7
+ }
+ };
+
+ pd = platform_device_alloc("octeon_rng", -1);
+ if (!pd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = platform_device_add_resources(pd, rng_resources,
+ ARRAY_SIZE(rng_resources));
+ if (ret)
+ goto fail;
+
+ ret = platform_device_add(pd);
+ if (ret)
+ goto fail;
+
+ return ret;
+fail:
+ platform_device_put(pd);
+
+out:
+ return ret;
+}
+device_initcall(octeon_rng_device_init);
+
+MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Platform driver for Octeon SOC");
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 468a120..b321d3b 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -11,7 +11,6 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/io.h>
-#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/smp.h>
#include <linux/types.h>
@@ -33,7 +32,6 @@
#include <asm/time.h>
#include <asm/octeon/octeon.h>
-#include <asm/octeon/cvmx-rnm-defs.h>
#ifdef CONFIG_CAVIUM_DECODE_RSL
extern void cvmx_interrupt_rsl_decode(void);
@@ -825,147 +823,3 @@ void prom_free_prom_memory(void)
CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB option is set */
octeon_hal_setup_reserved32();
}
-
-static struct octeon_cf_data octeon_cf_data;
-
-static int __init octeon_cf_device_init(void)
-{
- union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg;
- unsigned long base_ptr, region_base, region_size;
- struct platform_device *pd;
- struct resource cf_resources[3];
- unsigned int num_resources;
- int i;
- int ret = 0;
-
- /* Setup octeon-cf platform device if present. */
- base_ptr = 0;
- if (octeon_bootinfo->major_version == 1
- && octeon_bootinfo->minor_version >= 1) {
- if (octeon_bootinfo->compact_flash_common_base_addr)
- base_ptr =
- octeon_bootinfo->compact_flash_common_base_addr;
- } else {
- base_ptr = 0x1d000800;
- }
-
- if (!base_ptr)
- return ret;
-
- /* Find CS0 region. */
- for (i = 0; i < 8; i++) {
- mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(i));
- region_base = mio_boot_reg_cfg.s.base << 16;
- region_size = (mio_boot_reg_cfg.s.size + 1) << 16;
- if (mio_boot_reg_cfg.s.en && base_ptr >= region_base
- && base_ptr < region_base + region_size)
- break;
- }
- if (i >= 7) {
- /* i and i + 1 are CS0 and CS1, both must be less than 8. */
- goto out;
- }
- octeon_cf_data.base_region = i;
- octeon_cf_data.is16bit = mio_boot_reg_cfg.s.width;
- octeon_cf_data.base_region_bias = base_ptr - region_base;
- memset(cf_resources, 0, sizeof(cf_resources));
- num_resources = 0;
- cf_resources[num_resources].flags = IORESOURCE_MEM;
- cf_resources[num_resources].start = region_base;
- cf_resources[num_resources].end = region_base + region_size - 1;
- num_resources++;
-
-
- if (!(base_ptr & 0xfffful)) {
- /*
- * Boot loader signals availability of DMA (true_ide
- * mode) by setting low order bits of base_ptr to
- * zero.
- */
-
- /* Asume that CS1 immediately follows. */
- mio_boot_reg_cfg.u64 =
- cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(i + 1));
- region_base = mio_boot_reg_cfg.s.base << 16;
- region_size = (mio_boot_reg_cfg.s.size + 1) << 16;
- if (!mio_boot_reg_cfg.s.en)
- goto out;
-
- cf_resources[num_resources].flags = IORESOURCE_MEM;
- cf_resources[num_resources].start = region_base;
- cf_resources[num_resources].end = region_base + region_size - 1;
- num_resources++;
-
- octeon_cf_data.dma_engine = 0;
- cf_resources[num_resources].flags = IORESOURCE_IRQ;
- cf_resources[num_resources].start = OCTEON_IRQ_BOOTDMA;
- cf_resources[num_resources].end = OCTEON_IRQ_BOOTDMA;
- num_resources++;
- } else {
- octeon_cf_data.dma_engine = -1;
- }
-
- pd = platform_device_alloc("pata_octeon_cf", -1);
- if (!pd) {
- ret = -ENOMEM;
- goto out;
- }
- pd->dev.platform_data = &octeon_cf_data;
-
- ret = platform_device_add_resources(pd, cf_resources, num_resources);
- if (ret)
- goto fail;
-
- ret = platform_device_add(pd);
- if (ret)
- goto fail;
-
- return ret;
-fail:
- platform_device_put(pd);
-out:
- return ret;
-}
-device_initcall(octeon_cf_device_init);
-
-/* Octeon Random Number Generator. */
-static int __init octeon_rng_device_init(void)
-{
- struct platform_device *pd;
- int ret = 0;
-
- struct resource rng_resources[] = {
- {
- .flags = IORESOURCE_MEM,
- .start = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS),
- .end = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS) + 0xf
- }, {
- .flags = IORESOURCE_MEM,
- .start = cvmx_build_io_address(8, 0),
- .end = cvmx_build_io_address(8, 0) + 0x7
- }
- };
-
- pd = platform_device_alloc("octeon_rng", -1);
- if (!pd) {
- ret = -ENOMEM;
- goto out;
- }
-
- ret = platform_device_add_resources(pd, rng_resources,
- ARRAY_SIZE(rng_resources));
- if (ret)
- goto fail;
-
- ret = platform_device_add(pd);
- if (ret)
- goto fail;
-
- return ret;
-fail:
- platform_device_put(pd);
-
-out:
- return ret;
-}
-device_initcall(octeon_rng_device_init);
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