diff options
Diffstat (limited to 'arch/mips/loongson32')
| -rw-r--r-- | arch/mips/loongson32/Kconfig | 15 | ||||
| -rw-r--r-- | arch/mips/loongson32/Makefile | 6 | ||||
| -rw-r--r-- | arch/mips/loongson32/Platform | 1 | ||||
| -rw-r--r-- | arch/mips/loongson32/common/irq.c | 55 | ||||
| -rw-r--r-- | arch/mips/loongson32/common/platform.c | 19 | ||||
| -rw-r--r-- | arch/mips/loongson32/common/setup.c | 4 | ||||
| -rw-r--r-- | arch/mips/loongson32/ls1c/Makefile | 5 | ||||
| -rw-r--r-- | arch/mips/loongson32/ls1c/board.c | 28 |
8 files changed, 130 insertions, 3 deletions
diff --git a/arch/mips/loongson32/Kconfig b/arch/mips/loongson32/Kconfig index 7704f20529d6..3c0c2f2096cd 100644 --- a/arch/mips/loongson32/Kconfig +++ b/arch/mips/loongson32/Kconfig @@ -19,6 +19,21 @@ config LOONGSON1_LS1B select USE_GENERIC_EARLY_PRINTK_8250 select COMMON_CLK +config LOONGSON1_LS1C + bool "Loongson LS1C board" + select CEVT_R4K if !MIPS_EXTERNAL_TIMER + select CSRC_R4K if !MIPS_EXTERNAL_TIMER + select SYS_HAS_CPU_LOONGSON1C + select DMA_NONCOHERENT + select BOOT_ELF32 + select IRQ_MIPS_CPU + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_MIPS16 + select SYS_HAS_EARLY_PRINTK + select USE_GENERIC_EARLY_PRINTK_8250 + select COMMON_CLK endchoice menuconfig CEVT_CSRC_LS1X diff --git a/arch/mips/loongson32/Makefile b/arch/mips/loongson32/Makefile index 5f4bd6e071ca..1ab2c5bbc066 100644 --- a/arch/mips/loongson32/Makefile +++ b/arch/mips/loongson32/Makefile @@ -9,3 +9,9 @@ obj-$(CONFIG_MACH_LOONGSON32) += common/ # obj-$(CONFIG_LOONGSON1_LS1B) += ls1b/ + +# +# Loongson LS1C board +# + +obj-$(CONFIG_LOONGSON1_LS1C) += ls1c/ diff --git a/arch/mips/loongson32/Platform b/arch/mips/loongson32/Platform index ebb6dc290f0a..ffe01c6d0037 100644 --- a/arch/mips/loongson32/Platform +++ b/arch/mips/loongson32/Platform @@ -5,3 +5,4 @@ cflags-$(CONFIG_CPU_LOONGSON1) += \ platform-$(CONFIG_MACH_LOONGSON32) += loongson32/ cflags-$(CONFIG_MACH_LOONGSON32) += -I$(srctree)/arch/mips/include/asm/mach-loongson32 load-$(CONFIG_LOONGSON1_LS1B) += 0xffffffff80100000 +load-$(CONFIG_LOONGSON1_LS1C) += 0xffffffff80100000 diff --git a/arch/mips/loongson32/common/irq.c b/arch/mips/loongson32/common/irq.c index 455a7704a90f..635a4abe1f48 100644 --- a/arch/mips/loongson32/common/irq.c +++ b/arch/mips/loongson32/common/irq.c @@ -62,12 +62,58 @@ static void ls1x_irq_unmask(struct irq_data *d) | (1 << bit), LS1X_INTC_INTIEN(n)); } +static int ls1x_irq_settype(struct irq_data *d, unsigned int type) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + switch (type) { + case IRQ_TYPE_LEVEL_HIGH: + __raw_writel(__raw_readl(LS1X_INTC_INTPOL(n)) + | (1 << bit), LS1X_INTC_INTPOL(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTEDGE(n)) + & ~(1 << bit), LS1X_INTC_INTEDGE(n)); + break; + case IRQ_TYPE_LEVEL_LOW: + __raw_writel(__raw_readl(LS1X_INTC_INTPOL(n)) + & ~(1 << bit), LS1X_INTC_INTPOL(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTEDGE(n)) + & ~(1 << bit), LS1X_INTC_INTEDGE(n)); + break; + case IRQ_TYPE_EDGE_RISING: + __raw_writel(__raw_readl(LS1X_INTC_INTPOL(n)) + | (1 << bit), LS1X_INTC_INTPOL(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTEDGE(n)) + | (1 << bit), LS1X_INTC_INTEDGE(n)); + break; + case IRQ_TYPE_EDGE_FALLING: + __raw_writel(__raw_readl(LS1X_INTC_INTPOL(n)) + & ~(1 << bit), LS1X_INTC_INTPOL(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTEDGE(n)) + | (1 << bit), LS1X_INTC_INTEDGE(n)); + break; + case IRQ_TYPE_EDGE_BOTH: + __raw_writel(__raw_readl(LS1X_INTC_INTPOL(n)) + & ~(1 << bit), LS1X_INTC_INTPOL(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTEDGE(n)) + | (1 << bit), LS1X_INTC_INTEDGE(n)); + break; + case IRQ_TYPE_NONE: + break; + default: + return -EINVAL; + } + + return 0; +} + static struct irq_chip ls1x_irq_chip = { .name = "LS1X-INTC", .irq_ack = ls1x_irq_ack, .irq_mask = ls1x_irq_mask, .irq_mask_ack = ls1x_irq_mask_ack, .irq_unmask = ls1x_irq_unmask, + .irq_set_type = ls1x_irq_settype, }; static void ls1x_irq_dispatch(int n) @@ -107,7 +153,7 @@ asmlinkage void plat_irq_dispatch(void) } -struct irqaction cascade_irqaction = { +static struct irqaction cascade_irqaction = { .handler = no_action, .name = "cascade", .flags = IRQF_NO_THREAD, @@ -120,7 +166,7 @@ static void __init ls1x_irq_init(int base) /* Disable interrupts and clear pending, * setup all IRQs as high level triggered */ - for (n = 0; n < 4; n++) { + for (n = 0; n < INTN; n++) { __raw_writel(0x0, LS1X_INTC_INTIEN(n)); __raw_writel(0xffffffff, LS1X_INTC_INTCLR(n)); __raw_writel(0xffffffff, LS1X_INTC_INTPOL(n)); @@ -129,7 +175,7 @@ static void __init ls1x_irq_init(int base) } - for (n = base; n < LS1X_IRQS; n++) { + for (n = base; n < NR_IRQS; n++) { irq_set_chip_and_handler(n, &ls1x_irq_chip, handle_level_irq); } @@ -138,6 +184,9 @@ static void __init ls1x_irq_init(int base) setup_irq(INT1_IRQ, &cascade_irqaction); setup_irq(INT2_IRQ, &cascade_irqaction); setup_irq(INT3_IRQ, &cascade_irqaction); +#if defined(CONFIG_LOONGSON1_LS1C) + setup_irq(INT4_IRQ, &cascade_irqaction); +#endif } void __init arch_init_irq(void) diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c index f2c714d8fb60..4d12e365dcb0 100644 --- a/arch/mips/loongson32/common/platform.c +++ b/arch/mips/loongson32/common/platform.c @@ -17,6 +17,7 @@ #include <linux/stmmac.h> #include <linux/usb/ehci_pdriver.h> +#include <platform.h> #include <loongson1.h> #include <cpufreq.h> #include <dma.h> @@ -132,6 +133,7 @@ int ls1x_eth_mux_init(struct platform_device *pdev, void *priv) val = __raw_readl(LS1X_MUX_CTRL1); +#if defined(CONFIG_LOONGSON1_LS1B) plat_dat = dev_get_platdata(&pdev->dev); if (plat_dat->bus_id) { __raw_writel(__raw_readl(LS1X_MUX_CTRL0) | GMAC1_USE_UART1 | @@ -165,6 +167,17 @@ int ls1x_eth_mux_init(struct platform_device *pdev, void *priv) val &= ~GMAC0_SHUT; } __raw_writel(val, LS1X_MUX_CTRL1); +#elif defined(CONFIG_LOONGSON1_LS1C) + plat_dat = dev_get_platdata(&pdev->dev); + + val &= ~PHY_INTF_SELI; + if (plat_dat->interface == PHY_INTERFACE_MODE_RMII) + val |= 0x4 << PHY_INTF_SELI_SHIFT; + __raw_writel(val, LS1X_MUX_CTRL1); + + val = __raw_readl(LS1X_MUX_CTRL0); + __raw_writel(val & (~GMAC_SHUT), LS1X_MUX_CTRL0); +#endif return 0; } @@ -172,7 +185,11 @@ int ls1x_eth_mux_init(struct platform_device *pdev, void *priv) static struct plat_stmmacenet_data ls1x_eth0_pdata = { .bus_id = 0, .phy_addr = -1, +#if defined(CONFIG_LOONGSON1_LS1B) .interface = PHY_INTERFACE_MODE_MII, +#elif defined(CONFIG_LOONGSON1_LS1C) + .interface = PHY_INTERFACE_MODE_RMII, +#endif .mdio_bus_data = &ls1x_mdio_bus_data, .dma_cfg = &ls1x_eth_dma_cfg, .has_gmac = 1, @@ -203,6 +220,7 @@ struct platform_device ls1x_eth0_pdev = { }, }; +#ifdef CONFIG_LOONGSON1_LS1B static struct plat_stmmacenet_data ls1x_eth1_pdata = { .bus_id = 1, .phy_addr = -1, @@ -236,6 +254,7 @@ struct platform_device ls1x_eth1_pdev = { .platform_data = &ls1x_eth1_pdata, }, }; +#endif /* CONFIG_LOONGSON1_LS1B */ /* GPIO */ static struct resource ls1x_gpio0_resources[] = { diff --git a/arch/mips/loongson32/common/setup.c b/arch/mips/loongson32/common/setup.c index 62f41afee241..1640744288ee 100644 --- a/arch/mips/loongson32/common/setup.c +++ b/arch/mips/loongson32/common/setup.c @@ -22,7 +22,11 @@ const char *get_system_type(void) switch (processor_id & PRID_REV_MASK) { case PRID_REV_LOONGSON1B: +#if defined(CONFIG_LOONGSON1_LS1B) return "LOONGSON LS1B"; +#elif defined(CONFIG_LOONGSON1_LS1C) + return "LOONGSON LS1C"; +#endif default: return "LOONGSON (unknown)"; } diff --git a/arch/mips/loongson32/ls1c/Makefile b/arch/mips/loongson32/ls1c/Makefile new file mode 100644 index 000000000000..891eac482b82 --- /dev/null +++ b/arch/mips/loongson32/ls1c/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for loongson1B based machines. +# + +obj-y += board.o diff --git a/arch/mips/loongson32/ls1c/board.c b/arch/mips/loongson32/ls1c/board.c new file mode 100644 index 000000000000..3d69bd63ad56 --- /dev/null +++ b/arch/mips/loongson32/ls1c/board.c @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2016 Ling Yang <gnaygnil@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <platform.h> + +static struct platform_device *ls1c_platform_devices[] __initdata = { + &ls1x_uart_pdev, + &ls1x_eth0_pdev, +}; + +static int __init ls1c_platform_init(void) +{ + int err; + + ls1x_serial_set_uartclk(&ls1x_uart_pdev); + + err = platform_add_devices(ls1c_platform_devices, + ARRAY_SIZE(ls1c_platform_devices)); + return err; +} + +arch_initcall(ls1c_platform_init); |