diff options
Diffstat (limited to 'arch/mips/lantiq/xway')
| -rw-r--r-- | arch/mips/lantiq/xway/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/dcdc.c | 1 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/dma.c | 1 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/gptu.c | 1 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/reset.c | 70 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/vmmc.c | 69 | ||||
| -rw-r--r-- | arch/mips/lantiq/xway/xrx200_phy_fw.c | 24 |
7 files changed, 162 insertions, 6 deletions
diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile index 087497d97357..a2edc538f477 100644 --- a/arch/mips/lantiq/xway/Makefile +++ b/arch/mips/lantiq/xway/Makefile @@ -1,3 +1,5 @@ obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o +obj-y += vmmc.o + obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o diff --git a/arch/mips/lantiq/xway/dcdc.c b/arch/mips/lantiq/xway/dcdc.c index 7688ac0f06d0..ae8e930f5283 100644 --- a/arch/mips/lantiq/xway/dcdc.c +++ b/arch/mips/lantiq/xway/dcdc.c @@ -46,7 +46,6 @@ static struct platform_driver dcdc_driver = { .probe = dcdc_probe, .driver = { .name = "dcdc-xrx200", - .owner = THIS_MODULE, .of_match_table = dcdc_match, }, }; diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index 78a91fa41944..34a116e840d8 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -261,7 +261,6 @@ static struct platform_driver dma_driver = { .probe = ltq_dma_init, .driver = { .name = "dma-xway", - .owner = THIS_MODULE, .of_match_table = dma_match, }, }; diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c index 850821df924c..f1492b2db017 100644 --- a/arch/mips/lantiq/xway/gptu.c +++ b/arch/mips/lantiq/xway/gptu.c @@ -193,7 +193,6 @@ static struct platform_driver dma_driver = { .probe = gptu_probe, .driver = { .name = "gptu-xway", - .owner = THIS_MODULE, .of_match_table = gptu_match, }, }; diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 1fa0f175357e..fe68f9ae47c1 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -14,6 +14,7 @@ #include <linux/delay.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/reset-controller.h> #include <asm/reboot.h> @@ -113,10 +114,77 @@ void ltq_reset_once(unsigned int module, ulong u) ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) & ~module, RCU_RST_REQ); } +static int ltq_assert_device(struct reset_controller_dev *rcdev, + unsigned long id) +{ + u32 val; + + if (id < 8) + return -1; + + val = ltq_rcu_r32(RCU_RST_REQ); + val |= BIT(id); + ltq_rcu_w32(val, RCU_RST_REQ); + + return 0; +} + +static int ltq_deassert_device(struct reset_controller_dev *rcdev, + unsigned long id) +{ + u32 val; + + if (id < 8) + return -1; + + val = ltq_rcu_r32(RCU_RST_REQ); + val &= ~BIT(id); + ltq_rcu_w32(val, RCU_RST_REQ); + + return 0; +} + +static int ltq_reset_device(struct reset_controller_dev *rcdev, + unsigned long id) +{ + ltq_assert_device(rcdev, id); + return ltq_deassert_device(rcdev, id); +} + +static struct reset_control_ops reset_ops = { + .reset = ltq_reset_device, + .assert = ltq_assert_device, + .deassert = ltq_deassert_device, +}; + +static struct reset_controller_dev reset_dev = { + .ops = &reset_ops, + .owner = THIS_MODULE, + .nr_resets = 32, + .of_reset_n_cells = 1, +}; + +void ltq_rst_init(void) +{ + reset_dev.of_node = of_find_compatible_node(NULL, NULL, + "lantiq,xway-reset"); + if (!reset_dev.of_node) + pr_err("Failed to find reset controller node"); + else + reset_controller_register(&reset_dev); +} + static void ltq_machine_restart(char *command) { + u32 val = ltq_rcu_r32(RCU_RST_REQ); + + if (of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200")) + val |= RCU_RD_GPHY1_XRX200 | RCU_RD_GPHY0_XRX200; + + val |= RCU_RD_SRST; + local_irq_disable(); - ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | RCU_RD_SRST, RCU_RST_REQ); + ltq_rcu_w32(val, RCU_RST_REQ); unreachable(); } diff --git a/arch/mips/lantiq/xway/vmmc.c b/arch/mips/lantiq/xway/vmmc.c new file mode 100644 index 000000000000..696cd57f6f13 --- /dev/null +++ b/arch/mips/lantiq/xway/vmmc.c @@ -0,0 +1,69 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2012 John Crispin <blogic@openwrt.org> + */ + +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/of_gpio.h> +#include <linux/dma-mapping.h> + +#include <lantiq_soc.h> + +static unsigned int *cp1_base; + +unsigned int *ltq_get_cp1_base(void) +{ + if (!cp1_base) + panic("no cp1 base was set\n"); + + return cp1_base; +} +EXPORT_SYMBOL(ltq_get_cp1_base); + +static int vmmc_probe(struct platform_device *pdev) +{ +#define CP1_SIZE (1 << 20) + int gpio_count; + dma_addr_t dma; + + cp1_base = + (void *) CPHYSADDR(dma_alloc_coherent(NULL, CP1_SIZE, + &dma, GFP_ATOMIC)); + + gpio_count = of_gpio_count(pdev->dev.of_node); + while (gpio_count > 0) { + enum of_gpio_flags flags; + int gpio = of_get_gpio_flags(pdev->dev.of_node, + --gpio_count, &flags); + if (gpio_request(gpio, "vmmc-relay")) + continue; + dev_info(&pdev->dev, "requested GPIO %d\n", gpio); + gpio_direction_output(gpio, + (flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1)); + } + + dev_info(&pdev->dev, "reserved %dMB at 0x%p", CP1_SIZE >> 20, cp1_base); + + return 0; +} + +static const struct of_device_id vmmc_match[] = { + { .compatible = "lantiq,vmmc-xway" }, + {}, +}; +MODULE_DEVICE_TABLE(of, vmmc_match); + +static struct platform_driver vmmc_driver = { + .probe = vmmc_probe, + .driver = { + .name = "lantiq,vmmc", + .owner = THIS_MODULE, + .of_match_table = vmmc_match, + }, +}; + +module_platform_driver(vmmc_driver); diff --git a/arch/mips/lantiq/xway/xrx200_phy_fw.c b/arch/mips/lantiq/xway/xrx200_phy_fw.c index d4d9d31f152e..199094a40c15 100644 --- a/arch/mips/lantiq/xway/xrx200_phy_fw.c +++ b/arch/mips/lantiq/xway/xrx200_phy_fw.c @@ -24,7 +24,28 @@ static dma_addr_t xway_gphy_load(struct platform_device *pdev) void *fw_addr; size_t size; - if (of_property_read_string(pdev->dev.of_node, "firmware", &fw_name)) { + if (of_get_property(pdev->dev.of_node, "firmware1", NULL) || + of_get_property(pdev->dev.of_node, "firmware2", NULL)) { + switch (ltq_soc_type()) { + case SOC_TYPE_VR9: + if (of_property_read_string(pdev->dev.of_node, + "firmware1", &fw_name)) { + dev_err(&pdev->dev, + "failed to load firmware filename\n"); + return 0; + } + break; + case SOC_TYPE_VR9_2: + if (of_property_read_string(pdev->dev.of_node, + "firmware2", &fw_name)) { + dev_err(&pdev->dev, + "failed to load firmware filename\n"); + return 0; + } + break; + } + } else if (of_property_read_string(pdev->dev.of_node, + "firmware", &fw_name)) { dev_err(&pdev->dev, "failed to load firmware filename\n"); return 0; } @@ -85,7 +106,6 @@ static struct platform_driver xway_phy_driver = { .probe = xway_phy_fw_probe, .driver = { .name = "phy-xrx200", - .owner = THIS_MODULE, .of_match_table = xway_phy_match, }, }; |