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-rw-r--r--arch/mips/loongson32/common/Makefile6
-rw-r--r--arch/mips/loongson32/common/irq.c191
-rw-r--r--arch/mips/loongson32/common/platform.c285
-rw-r--r--arch/mips/loongson32/common/prom.c42
-rw-r--r--arch/mips/loongson32/common/setup.c26
-rw-r--r--arch/mips/loongson32/common/time.c23
6 files changed, 0 insertions, 573 deletions
diff --git a/arch/mips/loongson32/common/Makefile b/arch/mips/loongson32/common/Makefile
deleted file mode 100644
index f3950d308187..000000000000
--- a/arch/mips/loongson32/common/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# Makefile for common code of loongson1 based machines.
-#
-
-obj-y += time.o irq.o platform.o prom.o setup.o
diff --git a/arch/mips/loongson32/common/irq.c b/arch/mips/loongson32/common/irq.c
deleted file mode 100644
index 9a50070f74f7..000000000000
--- a/arch/mips/loongson32/common/irq.c
+++ /dev/null
@@ -1,191 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
- */
-
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <asm/irq_cpu.h>
-
-#include <loongson1.h>
-#include <irq.h>
-
-#define LS1X_INTC_REG(n, x) \
- ((void __iomem *)KSEG1ADDR(LS1X_INTC_BASE + (n * 0x18) + (x)))
-
-#define LS1X_INTC_INTISR(n) LS1X_INTC_REG(n, 0x0)
-#define LS1X_INTC_INTIEN(n) LS1X_INTC_REG(n, 0x4)
-#define LS1X_INTC_INTSET(n) LS1X_INTC_REG(n, 0x8)
-#define LS1X_INTC_INTCLR(n) LS1X_INTC_REG(n, 0xc)
-#define LS1X_INTC_INTPOL(n) LS1X_INTC_REG(n, 0x10)
-#define LS1X_INTC_INTEDGE(n) LS1X_INTC_REG(n, 0x14)
-
-static void ls1x_irq_ack(struct irq_data *d)
-{
- unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f;
- unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5;
-
- __raw_writel(__raw_readl(LS1X_INTC_INTCLR(n))
- | (1 << bit), LS1X_INTC_INTCLR(n));
-}
-
-static void ls1x_irq_mask(struct irq_data *d)
-{
- unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f;
- unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5;
-
- __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n))
- & ~(1 << bit), LS1X_INTC_INTIEN(n));
-}
-
-static void ls1x_irq_mask_ack(struct irq_data *d)
-{
- unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f;
- unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5;
-
- __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n))
- & ~(1 << bit), LS1X_INTC_INTIEN(n));
- __raw_writel(__raw_readl(LS1X_INTC_INTCLR(n))
- | (1 << bit), LS1X_INTC_INTCLR(n));
-}
-
-static void ls1x_irq_unmask(struct irq_data *d)
-{
- unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f;
- unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5;
-
- __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n))
- | (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)
-{
- u32 int_status, irq;
-
- /* Get pending sources, masked by current enables */
- int_status = __raw_readl(LS1X_INTC_INTISR(n)) &
- __raw_readl(LS1X_INTC_INTIEN(n));
-
- if (int_status) {
- irq = LS1X_IRQ(n, __ffs(int_status));
- do_IRQ(irq);
- }
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending;
-
- pending = read_c0_cause() & read_c0_status() & ST0_IM;
-
- if (pending & CAUSEF_IP7)
- do_IRQ(TIMER_IRQ);
- else if (pending & CAUSEF_IP2)
- ls1x_irq_dispatch(0); /* INT0 */
- else if (pending & CAUSEF_IP3)
- ls1x_irq_dispatch(1); /* INT1 */
- else if (pending & CAUSEF_IP4)
- ls1x_irq_dispatch(2); /* INT2 */
- else if (pending & CAUSEF_IP5)
- ls1x_irq_dispatch(3); /* INT3 */
- else if (pending & CAUSEF_IP6)
- ls1x_irq_dispatch(4); /* INT4 */
- else
- spurious_interrupt();
-
-}
-
-static void __init ls1x_irq_init(int base)
-{
- int n;
-
- /* Disable interrupts and clear pending,
- * setup all IRQs as high level triggered
- */
- 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));
- /* set DMA0, DMA1 and DMA2 to edge trigger */
- __raw_writel(n ? 0x0 : 0xe000, LS1X_INTC_INTEDGE(n));
- }
-
-
- for (n = base; n < NR_IRQS; n++) {
- irq_set_chip_and_handler(n, &ls1x_irq_chip,
- handle_level_irq);
- }
-
- if (request_irq(INT0_IRQ, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", INT0_IRQ);
- if (request_irq(INT1_IRQ, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", INT1_IRQ);
- if (request_irq(INT2_IRQ, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", INT2_IRQ);
- if (request_irq(INT3_IRQ, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", INT3_IRQ);
-#if defined(CONFIG_LOONGSON1_LS1C)
- if (request_irq(INT4_IRQ, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", INT4_IRQ);
-#endif
-}
-
-void __init arch_init_irq(void)
-{
- mips_cpu_irq_init();
- ls1x_irq_init(LS1X_IRQ_BASE);
-}
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
deleted file mode 100644
index 623eb4bc7b41..000000000000
--- a/arch/mips/loongson32/common/platform.c
+++ /dev/null
@@ -1,285 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@gmail.com>
- */
-
-#include <linux/clk.h>
-#include <linux/dma-mapping.h>
-#include <linux/err.h>
-#include <linux/mtd/partitions.h>
-#include <linux/sizes.h>
-#include <linux/phy.h>
-#include <linux/serial_8250.h>
-#include <linux/stmmac.h>
-#include <linux/usb/ehci_pdriver.h>
-
-#include <platform.h>
-#include <loongson1.h>
-
-/* 8250/16550 compatible UART */
-#define LS1X_UART(_id) \
- { \
- .mapbase = LS1X_UART ## _id ## _BASE, \
- .irq = LS1X_UART ## _id ## _IRQ, \
- .iotype = UPIO_MEM, \
- .flags = UPF_IOREMAP | UPF_FIXED_TYPE, \
- .type = PORT_16550A, \
- }
-
-static struct plat_serial8250_port ls1x_serial8250_pdata[] = {
- LS1X_UART(0),
- LS1X_UART(1),
- LS1X_UART(2),
- LS1X_UART(3),
- {},
-};
-
-struct platform_device ls1x_uart_pdev = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = ls1x_serial8250_pdata,
- },
-};
-
-void __init ls1x_serial_set_uartclk(struct platform_device *pdev)
-{
- struct clk *clk;
- struct plat_serial8250_port *p;
-
- clk = clk_get(&pdev->dev, pdev->name);
- if (IS_ERR(clk)) {
- pr_err("unable to get %s clock, err=%ld",
- pdev->name, PTR_ERR(clk));
- return;
- }
- clk_prepare_enable(clk);
-
- for (p = pdev->dev.platform_data; p->flags != 0; ++p)
- p->uartclk = clk_get_rate(clk);
-}
-
-/* Synopsys Ethernet GMAC */
-static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
- .phy_mask = 0,
-};
-
-static struct stmmac_dma_cfg ls1x_eth_dma_cfg = {
- .pbl = 1,
-};
-
-int ls1x_eth_mux_init(struct platform_device *pdev, void *priv)
-{
- struct plat_stmmacenet_data *plat_dat = NULL;
- u32 val;
-
- 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 |
- GMAC1_USE_UART0, LS1X_MUX_CTRL0);
- switch (plat_dat->phy_interface) {
- case PHY_INTERFACE_MODE_RGMII:
- val &= ~(GMAC1_USE_TXCLK | GMAC1_USE_PWM23);
- break;
- case PHY_INTERFACE_MODE_MII:
- val |= (GMAC1_USE_TXCLK | GMAC1_USE_PWM23);
- break;
- default:
- pr_err("unsupported mii mode %d\n",
- plat_dat->phy_interface);
- return -ENOTSUPP;
- }
- val &= ~GMAC1_SHUT;
- } else {
- switch (plat_dat->phy_interface) {
- case PHY_INTERFACE_MODE_RGMII:
- val &= ~(GMAC0_USE_TXCLK | GMAC0_USE_PWM01);
- break;
- case PHY_INTERFACE_MODE_MII:
- val |= (GMAC0_USE_TXCLK | GMAC0_USE_PWM01);
- break;
- default:
- pr_err("unsupported mii mode %d\n",
- plat_dat->phy_interface);
- return -ENOTSUPP;
- }
- 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->phy_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;
-}
-
-static struct plat_stmmacenet_data ls1x_eth0_pdata = {
- .bus_id = 0,
- .phy_addr = -1,
-#if defined(CONFIG_LOONGSON1_LS1B)
- .phy_interface = PHY_INTERFACE_MODE_MII,
-#elif defined(CONFIG_LOONGSON1_LS1C)
- .phy_interface = PHY_INTERFACE_MODE_RMII,
-#endif
- .mdio_bus_data = &ls1x_mdio_bus_data,
- .dma_cfg = &ls1x_eth_dma_cfg,
- .has_gmac = 1,
- .tx_coe = 1,
- .rx_queues_to_use = 1,
- .tx_queues_to_use = 1,
- .init = ls1x_eth_mux_init,
-};
-
-static struct resource ls1x_eth0_resources[] = {
- [0] = {
- .start = LS1X_GMAC0_BASE,
- .end = LS1X_GMAC0_BASE + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "macirq",
- .start = LS1X_GMAC0_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-struct platform_device ls1x_eth0_pdev = {
- .name = "stmmaceth",
- .id = 0,
- .num_resources = ARRAY_SIZE(ls1x_eth0_resources),
- .resource = ls1x_eth0_resources,
- .dev = {
- .platform_data = &ls1x_eth0_pdata,
- },
-};
-
-#ifdef CONFIG_LOONGSON1_LS1B
-static struct plat_stmmacenet_data ls1x_eth1_pdata = {
- .bus_id = 1,
- .phy_addr = -1,
- .phy_interface = PHY_INTERFACE_MODE_MII,
- .mdio_bus_data = &ls1x_mdio_bus_data,
- .dma_cfg = &ls1x_eth_dma_cfg,
- .has_gmac = 1,
- .tx_coe = 1,
- .rx_queues_to_use = 1,
- .tx_queues_to_use = 1,
- .init = ls1x_eth_mux_init,
-};
-
-static struct resource ls1x_eth1_resources[] = {
- [0] = {
- .start = LS1X_GMAC1_BASE,
- .end = LS1X_GMAC1_BASE + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "macirq",
- .start = LS1X_GMAC1_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-struct platform_device ls1x_eth1_pdev = {
- .name = "stmmaceth",
- .id = 1,
- .num_resources = ARRAY_SIZE(ls1x_eth1_resources),
- .resource = ls1x_eth1_resources,
- .dev = {
- .platform_data = &ls1x_eth1_pdata,
- },
-};
-#endif /* CONFIG_LOONGSON1_LS1B */
-
-/* GPIO */
-static struct resource ls1x_gpio0_resources[] = {
- [0] = {
- .start = LS1X_GPIO0_BASE,
- .end = LS1X_GPIO0_BASE + SZ_4 - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-struct platform_device ls1x_gpio0_pdev = {
- .name = "ls1x-gpio",
- .id = 0,
- .num_resources = ARRAY_SIZE(ls1x_gpio0_resources),
- .resource = ls1x_gpio0_resources,
-};
-
-static struct resource ls1x_gpio1_resources[] = {
- [0] = {
- .start = LS1X_GPIO1_BASE,
- .end = LS1X_GPIO1_BASE + SZ_4 - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-struct platform_device ls1x_gpio1_pdev = {
- .name = "ls1x-gpio",
- .id = 1,
- .num_resources = ARRAY_SIZE(ls1x_gpio1_resources),
- .resource = ls1x_gpio1_resources,
-};
-
-/* USB EHCI */
-static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ls1x_ehci_resources[] = {
- [0] = {
- .start = LS1X_EHCI_BASE,
- .end = LS1X_EHCI_BASE + SZ_32K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = LS1X_EHCI_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct usb_ehci_pdata ls1x_ehci_pdata = {
-};
-
-struct platform_device ls1x_ehci_pdev = {
- .name = "ehci-platform",
- .id = -1,
- .num_resources = ARRAY_SIZE(ls1x_ehci_resources),
- .resource = ls1x_ehci_resources,
- .dev = {
- .dma_mask = &ls1x_ehci_dmamask,
- .platform_data = &ls1x_ehci_pdata,
- },
-};
-
-/* Real Time Clock */
-struct platform_device ls1x_rtc_pdev = {
- .name = "ls1x-rtc",
- .id = -1,
-};
-
-/* Watchdog */
-static struct resource ls1x_wdt_resources[] = {
- {
- .start = LS1X_WDT_BASE,
- .end = LS1X_WDT_BASE + SZ_16 - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-struct platform_device ls1x_wdt_pdev = {
- .name = "ls1x-wdt",
- .id = -1,
- .num_resources = ARRAY_SIZE(ls1x_wdt_resources),
- .resource = ls1x_wdt_resources,
-};
diff --git a/arch/mips/loongson32/common/prom.c b/arch/mips/loongson32/common/prom.c
deleted file mode 100644
index fc580a22748e..000000000000
--- a/arch/mips/loongson32/common/prom.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
- *
- * Modified from arch/mips/pnx833x/common/prom.c.
- */
-
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/memblock.h>
-#include <linux/serial_reg.h>
-#include <asm/fw/fw.h>
-
-#include <loongson1.h>
-
-unsigned long memsize;
-
-void __init prom_init(void)
-{
- void __iomem *uart_base;
-
- fw_init_cmdline();
-
- memsize = fw_getenvl("memsize");
- if(!memsize)
- memsize = DEFAULT_MEMSIZE;
-
- if (strstr(arcs_cmdline, "console=ttyS3"))
- uart_base = ioremap(LS1X_UART3_BASE, 0x0f);
- else if (strstr(arcs_cmdline, "console=ttyS2"))
- uart_base = ioremap(LS1X_UART2_BASE, 0x0f);
- else if (strstr(arcs_cmdline, "console=ttyS1"))
- uart_base = ioremap(LS1X_UART1_BASE, 0x0f);
- else
- uart_base = ioremap(LS1X_UART0_BASE, 0x0f);
- setup_8250_early_printk_port((unsigned long)uart_base, 0, 0);
-}
-
-void __init plat_mem_setup(void)
-{
- memblock_add(0x0, (memsize << 20));
-}
diff --git a/arch/mips/loongson32/common/setup.c b/arch/mips/loongson32/common/setup.c
deleted file mode 100644
index 4733fe037176..000000000000
--- a/arch/mips/loongson32/common/setup.c
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
- */
-
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <asm/cpu-info.h>
-#include <asm/bootinfo.h>
-
-const char *get_system_type(void)
-{
- unsigned int processor_id = (&current_cpu_data)->processor_id;
-
- 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/common/time.c b/arch/mips/loongson32/common/time.c
deleted file mode 100644
index 74ad2b17918d..000000000000
--- a/arch/mips/loongson32/common/time.c
+++ /dev/null
@@ -1,23 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2014 Zhang, Keguang <keguang.zhang@gmail.com>
- */
-
-#include <linux/clk.h>
-#include <linux/of_clk.h>
-#include <asm/time.h>
-
-void __init plat_time_init(void)
-{
- struct clk *clk = NULL;
-
- /* initialize LS1X clocks */
- of_clk_init(NULL);
-
- /* setup mips r4k timer */
- clk = clk_get(NULL, "cpu_clk");
- if (IS_ERR(clk))
- panic("unable to get cpu clock, err=%ld", PTR_ERR(clk));
-
- mips_hpt_frequency = clk_get_rate(clk) / 2;
-}
generated by cgit (git 2.34.1) at 2025-10-06 10:21:12 +0000