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author | Felix Fietkau <nbd@openwrt.org> | 2015-01-24 20:01:33 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2015-01-24 20:01:33 +0000 |
commit | 6512aa455370c03c086a4c686cb10374365bb436 (patch) | |
tree | 9a5ec7a9dd891ad66f088ee261c5d83f6f0f5b01 /target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c | |
parent | f7ece95303309a320b1f577b41332aa15b6469b6 (diff) | |
download | upstream-6512aa455370c03c086a4c686cb10374365bb436.tar.gz upstream-6512aa455370c03c086a4c686cb10374365bb436.tar.bz2 upstream-6512aa455370c03c086a4c686cb10374365bb436.zip |
mcs814x: remove linux 3.3 support
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 44106
Diffstat (limited to 'target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c')
-rw-r--r-- | target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c deleted file mode 100644 index 68b0a0dd1f..0000000000 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * arch/arm/mach-mcs814x/common.c - * - * Core functions for Moschip MCS814x SoCs - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/of.h> -#include <linux/of_address.h> - -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/mcs814x.h> -#include <mach/cpu.h> -#include <asm/pgtable.h> -#include <asm/mach/map.h> - -void __iomem *mcs814x_sysdbg_base; - -static struct map_desc mcs814x_io_desc[] __initdata = { - { - .virtual = MCS814X_IO_BASE, - .pfn = __phys_to_pfn(MCS814X_IO_START), - .length = MCS814X_IO_SIZE, - .type = MT_DEVICE - }, -}; - -struct cpu_mode { - const char *name; - int gpio_start; - int gpio_end; -}; - -static const struct cpu_mode cpu_modes[] = { - { - .name = "I2S", - .gpio_start = 4, - .gpio_end = 8, - }, - { - .name = "UART", - .gpio_start = 4, - .gpio_end = 9, - }, - { - .name = "External MII", - .gpio_start = 0, - .gpio_end = 16, - }, - { - .name = "Normal", - .gpio_start = -1, - .gpio_end = -1, - }, -}; - -static void mcs814x_eth_hardware_filter_set(u8 value) -{ - u32 reg; - - reg = readl_relaxed(MCS814X_VIRT_BASE + MCS814X_DBGLED); - if (value) - reg |= 0x80; - else - reg &= ~0x80; - writel_relaxed(reg, MCS814X_VIRT_BASE + MCS814X_DBGLED); -} - -static void mcs814x_eth_led_cfg_set(u8 cfg) -{ - u32 reg; - - reg = readl_relaxed(mcs814x_sysdbg_base + SYSDBG_BS2); - reg &= ~LED_CFG_MASK; - reg |= cfg; - writel_relaxed(reg, mcs814x_sysdbg_base + SYSDBG_BS2); -} - -static void mcs814x_eth_buffer_shifting_set(u8 value) -{ - u8 reg; - - reg = readb_relaxed(mcs814x_sysdbg_base + SYSDBG_SYSCTL_MAC); - if (value) - reg |= BUF_SHIFT_BIT; - else - reg &= ~BUF_SHIFT_BIT; - writeb_relaxed(reg, mcs814x_sysdbg_base + SYSDBG_SYSCTL_MAC); -} - -static struct of_device_id mcs814x_eth_ids[] __initdata = { - { .compatible = "moschip,nuport-mac", }, - { /* sentinel */ }, -}; - -/* Configure platform specific knobs based on ethernet device node - * properties */ -static void mcs814x_eth_init(void) -{ - struct device_node *np; - const unsigned int *intspec; - - np = of_find_matching_node(NULL, mcs814x_eth_ids); - if (!np) - return; - - /* hardware filter must always be enabled */ - mcs814x_eth_hardware_filter_set(1); - - intspec = of_get_property(np, "nuport-mac,buffer-shifting", NULL); - if (!intspec) - mcs814x_eth_buffer_shifting_set(0); - else - mcs814x_eth_buffer_shifting_set(1); - - intspec = of_get_property(np, "nuport-mac,link-activity", NULL); - if (intspec) - mcs814x_eth_led_cfg_set(be32_to_cpup(intspec)); - - of_node_put(np); -} - -void __init mcs814x_init_machine(void) -{ - u32 bs2, cpu_mode; - int gpio; - - bs2 = readl_relaxed(mcs814x_sysdbg_base + SYSDBG_BS2); - cpu_mode = (bs2 >> CPU_MODE_SHIFT) & CPU_MODE_MASK; - - pr_info("CPU mode: %s\n", cpu_modes[cpu_mode].name); - - /* request the gpios since the pins are muxed for functionnality */ - for (gpio = cpu_modes[cpu_mode].gpio_start; - gpio == cpu_modes[cpu_mode].gpio_end; gpio++) { - if (gpio != -1) - gpio_request(gpio, cpu_modes[cpu_mode].name); - } - - mcs814x_eth_init(); -} - -void __init mcs814x_map_io(void) -{ - iotable_init(mcs814x_io_desc, ARRAY_SIZE(mcs814x_io_desc)); - - mcs814x_sysdbg_base = ioremap(MCS814X_IO_START + MCS814X_SYSDBG, - MCS814X_SYSDBG_SIZE); - if (!mcs814x_sysdbg_base) - panic("unable to remap sysdbg base"); -} - -void mcs814x_restart(char mode, const char *cmd) -{ - writel_relaxed(~(1 << 31), mcs814x_sysdbg_base); -} |