diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-30 13:46:56 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-30 13:46:56 -0700 |
commit | e399835c349b7d8339775a004a86a492a444e230 (patch) | |
tree | 6e07f8d53e58a6442bf850097179d0202db4766c /arch/mips/bcm63xx/dev-pcmcia.c | |
parent | 9abf47f11b38f5ecf411b9a44437cad5016631ad (diff) | |
parent | da3a7a2b9f9776f2d44ed9a4b40eabeb17c6e886 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: Avoid spurious make includecheck message
MIPS: VPE: Get rid of BKL.
MIPS: VPE: Fix build after the credential changes a while ago.
MIPS: Excite: Get rid of BKL.
MIPS: Sibyte: Get rid of BKL.
MIPS: BCM63xx: Add PCMCIA & Cardbus support.
MIPS: MSP71xx: request_irq() failure ignored in msp_pcibios_config_access()
MIPS: Decrease size of au1xxx_dbdma_pm_regs[][]
MIPS: SMP: Inline arch_send_call_function_{single_ipi,ipi_mask}
MIPS: SMP: Fix build.
MIPS: MIPSxx SC: Avoid destructive invalidation on partial L2 cachelines.
MIPS: Sibyte: Fix compilation error.
MIPS: BCM1480: Re-apply patch lost due to bad resolution of merge conflict.
MIPS: BCM63xx: Add serial driver for bcm63xx integrated UART.
MIPS: Loongson2: Fix typo "enalbe" -> "enable"
MIPS: SMTC: Remove duplicate structure field initialization
MIPS: Remove duplicated #include
MIPS: BCM63xx: Remove duplicated #include
Diffstat (limited to 'arch/mips/bcm63xx/dev-pcmcia.c')
-rw-r--r-- | arch/mips/bcm63xx/dev-pcmcia.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/dev-pcmcia.c b/arch/mips/bcm63xx/dev-pcmcia.c new file mode 100644 index 00000000000..de4d917fd54 --- /dev/null +++ b/arch/mips/bcm63xx/dev-pcmcia.c @@ -0,0 +1,144 @@ +/* + * 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) 2008 Maxime Bizon <mbizon@freebox.fr> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/bootinfo.h> +#include <linux/platform_device.h> +#include <bcm63xx_cs.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +static struct resource pcmcia_resources[] = { + /* pcmcia registers */ + { + /* start & end filled at runtime */ + .flags = IORESOURCE_MEM, + }, + + /* pcmcia memory zone resources */ + { + .start = BCM_PCMCIA_COMMON_BASE_PA, + .end = BCM_PCMCIA_COMMON_END_PA, + .flags = IORESOURCE_MEM, + }, + { + .start = BCM_PCMCIA_ATTR_BASE_PA, + .end = BCM_PCMCIA_ATTR_END_PA, + .flags = IORESOURCE_MEM, + }, + { + .start = BCM_PCMCIA_IO_BASE_PA, + .end = BCM_PCMCIA_IO_END_PA, + .flags = IORESOURCE_MEM, + }, + + /* PCMCIA irq */ + { + /* start filled at runtime */ + .flags = IORESOURCE_IRQ, + }, + + /* declare PCMCIA IO resource also */ + { + .start = BCM_PCMCIA_IO_BASE_PA, + .end = BCM_PCMCIA_IO_END_PA, + .flags = IORESOURCE_IO, + }, +}; + +static struct bcm63xx_pcmcia_platform_data pd; + +static struct platform_device bcm63xx_pcmcia_device = { + .name = "bcm63xx_pcmcia", + .id = 0, + .num_resources = ARRAY_SIZE(pcmcia_resources), + .resource = pcmcia_resources, + .dev = { + .platform_data = &pd, + }, +}; + +static int __init config_pcmcia_cs(unsigned int cs, + u32 base, unsigned int size) +{ + int ret; + + ret = bcm63xx_set_cs_status(cs, 0); + if (!ret) + ret = bcm63xx_set_cs_base(cs, base, size); + if (!ret) + ret = bcm63xx_set_cs_status(cs, 1); + return ret; +} + +static const __initdata struct { + unsigned int cs; + unsigned int base; + unsigned int size; +} pcmcia_cs[3] = { + { + .cs = MPI_CS_PCMCIA_COMMON, + .base = BCM_PCMCIA_COMMON_BASE_PA, + .size = BCM_PCMCIA_COMMON_SIZE + }, + { + .cs = MPI_CS_PCMCIA_ATTR, + .base = BCM_PCMCIA_ATTR_BASE_PA, + .size = BCM_PCMCIA_ATTR_SIZE + }, + { + .cs = MPI_CS_PCMCIA_IO, + .base = BCM_PCMCIA_IO_BASE_PA, + .size = BCM_PCMCIA_IO_SIZE + }, +}; + +int __init bcm63xx_pcmcia_register(void) +{ + int ret, i; + + if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358()) + return 0; + + /* use correct pcmcia ready gpio depending on processor */ + switch (bcm63xx_get_cpu_id()) { + case BCM6348_CPU_ID: + pd.ready_gpio = 22; + break; + + case BCM6358_CPU_ID: + pd.ready_gpio = 18; + break; + + default: + return -ENODEV; + } + + pcmcia_resources[0].start = bcm63xx_regset_address(RSET_PCMCIA); + pcmcia_resources[0].end = pcmcia_resources[0].start + + RSET_PCMCIA_SIZE - 1; + pcmcia_resources[4].start = bcm63xx_get_irq_number(IRQ_PCMCIA); + + /* configure pcmcia chip selects */ + for (i = 0; i < 3; i++) { + ret = config_pcmcia_cs(pcmcia_cs[i].cs, + pcmcia_cs[i].base, + pcmcia_cs[i].size); + if (ret) + goto out_err; + } + + return platform_device_register(&bcm63xx_pcmcia_device); + +out_err: + printk(KERN_ERR "unable to set pcmcia chip select\n"); + return ret; +} |