@@ -1387,6 +1387,8 @@ config CPU_LOONGSON1B
bool "Loongson 1B"
depends on SYS_HAS_CPU_LOONGSON1B
select CPU_LOONGSON1
+ select ARCH_WANT_OPTIONAL_GPIOLIB
+ select LEDS_GPIO_REGISTER
help
The Loongson 1B is a 32-bit SoC, which implements the MIPS32
release 2 instruction set.
similarity index 84%
rename from arch/mips/configs/ls1b_defconfig
rename to arch/mips/configs/loongson1b_defconfig
@@ -1,19 +1,17 @@
CONFIG_MACH_LOONGSON32=y
CONFIG_PREEMPT=y
# CONFIG_SECCOMP is not set
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_KERNEL_XZ=y
CONFIG_SYSVIPC=y
+CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
-CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
CONFIG_NAMESPACES=y
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_LZMA=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_EXPERT=y
CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
@@ -41,6 +39,12 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_LOONGSON1=y
+CONFIG_MTD_UBI=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_SCSI=m
# CONFIG_SCSI_PROC_FS is not set
@@ -48,7 +52,6 @@ CONFIG_BLK_DEV_SD=m
# CONFIG_SCSI_LOWLEVEL is not set
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_CHELSIO is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
# CONFIG_NET_VENDOR_MICREL is not set
@@ -56,7 +59,6 @@ CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
CONFIG_STMMAC_ETH=y
-CONFIG_STMMAC_DA=y
# CONFIG_NET_VENDOR_WIZNET is not set
# CONFIG_WLAN is not set
CONFIG_INPUT_EVDEV=y
@@ -69,18 +71,25 @@ CONFIG_LEGACY_PTY_COUNT=8
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
# CONFIG_HW_RANDOM is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_LOONGSON1=y
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
-CONFIG_USB_HID=m
CONFIG_HID_GENERIC=m
+CONFIG_USB_HID=m
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_HCD_PLATFORM=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=m
CONFIG_USB_SERIAL=m
CONFIG_USB_SERIAL_PL2303=m
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_LOONGSON1=y
# CONFIG_IOMMU_SUPPORT is not set
@@ -96,15 +105,21 @@ CONFIG_VFAT_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
-# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_UBIFS_FS=y
+CONFIG_UBIFS_FS_ADVANCED_COMPR=y
+CONFIG_UBIFS_ATIME_SUPPORT=y
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_ISO8859_1=m
+CONFIG_DYNAMIC_DEBUG=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_DEBUG_FS=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_SCHED_DEBUG is not set
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_FTRACE is not set
# CONFIG_EARLY_PRINTK is not set
+# CONFIG_CRYPTO_ECHAINIV is not set
+# CONFIG_CRYPTO_HW is not set
@@ -9,7 +9,6 @@
* option) any later version.
*/
-
#ifndef __ASM_MACH_LOONGSON32_CPUFREQ_H
#define __ASM_MACH_LOONGSON32_CPUFREQ_H
new file mode 100644
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ * Loongson 1 NAND platform support.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_MACH_LOONGSON32_DMA_H
+#define __ASM_MACH_LOONGSON32_DMA_H
+
+#define LS1X_DMA_CHANNEL0 0
+#define LS1X_DMA_CHANNEL1 1
+#define LS1X_DMA_CHANNEL2 2
+
+struct plat_ls1x_dma {
+ int nr_channels;
+};
+
+extern struct plat_ls1x_dma ls1b_dma_pdata;
+
+#endif /* __ASM_MACH_LOONGSON32_DMA_H */
@@ -9,7 +9,6 @@
* option) any later version.
*/
-
#ifndef __ASM_MACH_LOONGSON32_IRQ_H
#define __ASM_MACH_LOONGSON32_IRQ_H
@@ -9,7 +9,6 @@
* option) any later version.
*/
-
#ifndef __ASM_MACH_LOONGSON32_LOONGSON1_H
#define __ASM_MACH_LOONGSON32_LOONGSON1_H
@@ -18,6 +17,9 @@
/* Loongson 1 Register Bases */
#define LS1X_MUX_BASE 0x1fd00420
#define LS1X_INTC_BASE 0x1fd01040
+#define LS1X_GPIO0_BASE 0x1fd010c0
+#define LS1X_GPIO1_BASE 0x1fd010c4
+#define LS1X_DMAC_BASE 0x1fd01160
#define LS1X_EHCI_BASE 0x1fe00000
#define LS1X_OHCI_BASE 0x1fe08000
#define LS1X_GMAC0_BASE 0x1fe10000
new file mode 100644
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2015 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ * Loongson 1 NAND platform support.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_MACH_LOONGSON32_NAND_H
+#define __ASM_MACH_LOONGSON32_NAND_H
+
+#include <linux/dmaengine.h>
+#include <linux/mtd/partitions.h>
+
+struct plat_ls1x_nand {
+ struct mtd_partition *parts;
+ unsigned int nr_parts;
+
+ int hold_cycle;
+ int wait_cycle;
+};
+
+extern struct plat_ls1x_nand ls1b_nand_pdata;
+
+bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
+
+#endif /* __ASM_MACH_LOONGSON32_NAND_H */
@@ -7,20 +7,28 @@
* option) any later version.
*/
-
#ifndef __ASM_MACH_LOONGSON32_PLATFORM_H
#define __ASM_MACH_LOONGSON32_PLATFORM_H
#include <linux/platform_device.h>
+#include <dma.h>
+#include <nand.h>
+
extern struct platform_device ls1x_uart_pdev;
extern struct platform_device ls1x_cpufreq_pdev;
+extern struct platform_device ls1x_dma_pdev;
extern struct platform_device ls1x_eth0_pdev;
extern struct platform_device ls1x_eth1_pdev;
extern struct platform_device ls1x_ehci_pdev;
+extern struct platform_device ls1x_gpio0_pdev;
+extern struct platform_device ls1x_gpio1_pdev;
+extern struct platform_device ls1x_nand_pdev;
extern struct platform_device ls1x_rtc_pdev;
-extern void __init ls1x_clk_init(void);
-extern void __init ls1x_serial_setup(struct platform_device *pdev);
+void __init ls1x_clk_init(void);
+void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata);
+void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata);
+void __init ls1x_serial_set_uartclk(struct platform_device *pdev);
#endif /* __ASM_MACH_LOONGSON32_PLATFORM_H */
@@ -19,18 +19,18 @@
#define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4)
/* Clock PLL Divisor Register Bits */
-#define DIV_DC_EN (0x1 << 31)
-#define DIV_DC_RST (0x1 << 30)
-#define DIV_CPU_EN (0x1 << 25)
-#define DIV_CPU_RST (0x1 << 24)
-#define DIV_DDR_EN (0x1 << 19)
-#define DIV_DDR_RST (0x1 << 18)
-#define RST_DC_EN (0x1 << 5)
-#define RST_DC (0x1 << 4)
-#define RST_DDR_EN (0x1 << 3)
-#define RST_DDR (0x1 << 2)
-#define RST_CPU_EN (0x1 << 1)
-#define RST_CPU 0x1
+#define DIV_DC_EN BIT(31)
+#define DIV_DC_RST BIT(30)
+#define DIV_CPU_EN BIT(25)
+#define DIV_CPU_RST BIT(24)
+#define DIV_DDR_EN BIT(19)
+#define DIV_DDR_RST BIT(18)
+#define RST_DC_EN BIT(5)
+#define RST_DC BIT(4)
+#define RST_DDR_EN BIT(3)
+#define RST_DDR BIT(2)
+#define RST_CPU_EN BIT(1)
+#define RST_CPU BIT(0)
#define DIV_DC_SHIFT 26
#define DIV_CPU_SHIFT 20
@@ -19,49 +19,49 @@
#define LS1X_MUX_CTRL1 LS1X_MUX_REG(0x4)
/* MUX CTRL0 Register Bits */
-#define UART0_USE_PWM23 (0x1 << 28)
-#define UART0_USE_PWM01 (0x1 << 27)
-#define UART1_USE_LCD0_5_6_11 (0x1 << 26)
-#define I2C2_USE_CAN1 (0x1 << 25)
-#define I2C1_USE_CAN0 (0x1 << 24)
-#define NAND3_USE_UART5 (0x1 << 23)
-#define NAND3_USE_UART4 (0x1 << 22)
-#define NAND3_USE_UART1_DAT (0x1 << 21)
-#define NAND3_USE_UART1_CTS (0x1 << 20)
-#define NAND3_USE_PWM23 (0x1 << 19)
-#define NAND3_USE_PWM01 (0x1 << 18)
-#define NAND2_USE_UART5 (0x1 << 17)
-#define NAND2_USE_UART4 (0x1 << 16)
-#define NAND2_USE_UART1_DAT (0x1 << 15)
-#define NAND2_USE_UART1_CTS (0x1 << 14)
-#define NAND2_USE_PWM23 (0x1 << 13)
-#define NAND2_USE_PWM01 (0x1 << 12)
-#define NAND1_USE_UART5 (0x1 << 11)
-#define NAND1_USE_UART4 (0x1 << 10)
-#define NAND1_USE_UART1_DAT (0x1 << 9)
-#define NAND1_USE_UART1_CTS (0x1 << 8)
-#define NAND1_USE_PWM23 (0x1 << 7)
-#define NAND1_USE_PWM01 (0x1 << 6)
-#define GMAC1_USE_UART1 (0x1 << 4)
-#define GMAC1_USE_UART0 (0x1 << 3)
-#define LCD_USE_UART0_DAT (0x1 << 2)
-#define LCD_USE_UART15 (0x1 << 1)
-#define LCD_USE_UART0 0x1
+#define UART0_USE_PWM23 BIT(28)
+#define UART0_USE_PWM01 BIT(27)
+#define UART1_USE_LCD0_5_6_11 BIT(26)
+#define I2C2_USE_CAN1 BIT(25)
+#define I2C1_USE_CAN0 BIT(24)
+#define NAND3_USE_UART5 BIT(23)
+#define NAND3_USE_UART4 BIT(22)
+#define NAND3_USE_UART1_DAT BIT(21)
+#define NAND3_USE_UART1_CTS BIT(20)
+#define NAND3_USE_PWM23 BIT(19)
+#define NAND3_USE_PWM01 BIT(18)
+#define NAND2_USE_UART5 BIT(17)
+#define NAND2_USE_UART4 BIT(16)
+#define NAND2_USE_UART1_DAT BIT(15)
+#define NAND2_USE_UART1_CTS BIT(14)
+#define NAND2_USE_PWM23 BIT(13)
+#define NAND2_USE_PWM01 BIT(12)
+#define NAND1_USE_UART5 BIT(11)
+#define NAND1_USE_UART4 BIT(10)
+#define NAND1_USE_UART1_DAT BIT(9)
+#define NAND1_USE_UART1_CTS BIT(8)
+#define NAND1_USE_PWM23 BIT(7)
+#define NAND1_USE_PWM01 BIT(6)
+#define GMAC1_USE_UART1 BIT(4)
+#define GMAC1_USE_UART0 BIT(3)
+#define LCD_USE_UART0_DAT BIT(2)
+#define LCD_USE_UART15 BIT(1)
+#define LCD_USE_UART0 BIT(0)
/* MUX CTRL1 Register Bits */
-#define USB_RESET (0x1 << 31)
-#define SPI1_CS_USE_PWM01 (0x1 << 24)
-#define SPI1_USE_CAN (0x1 << 23)
-#define DISABLE_DDR_CONFSPACE (0x1 << 20)
-#define DDR32TO16EN (0x1 << 16)
-#define GMAC1_SHUT (0x1 << 13)
-#define GMAC0_SHUT (0x1 << 12)
-#define USB_SHUT (0x1 << 11)
-#define UART1_3_USE_CAN1 (0x1 << 5)
-#define UART1_2_USE_CAN0 (0x1 << 4)
-#define GMAC1_USE_TXCLK (0x1 << 3)
-#define GMAC0_USE_TXCLK (0x1 << 2)
-#define GMAC1_USE_PWM23 (0x1 << 1)
-#define GMAC0_USE_PWM01 0x1
+#define USB_RESET BIT(31)
+#define SPI1_CS_USE_PWM01 BIT(24)
+#define SPI1_USE_CAN BIT(23)
+#define DISABLE_DDR_CONFSPACE BIT(20)
+#define DDR32TO16EN BIT(16)
+#define GMAC1_SHUT BIT(13)
+#define GMAC0_SHUT BIT(12)
+#define USB_SHUT BIT(11)
+#define UART1_3_USE_CAN1 BIT(5)
+#define UART1_2_USE_CAN0 BIT(4)
+#define GMAC1_USE_TXCLK BIT(3)
+#define GMAC0_USE_TXCLK BIT(2)
+#define GMAC1_USE_PWM23 BIT(1)
+#define GMAC0_USE_PWM01 BIT(0)
#endif /* __ASM_MACH_LOONGSON32_REGS_MUX_H */
@@ -19,11 +19,11 @@
#define PWM_CTRL 0xc
/* PWM Control Register Bits */
-#define CNT_RST (0x1 << 7)
-#define INT_SR (0x1 << 6)
-#define INT_EN (0x1 << 5)
-#define PWM_SINGLE (0x1 << 4)
-#define PWM_OE (0x1 << 3)
-#define CNT_EN 0x1
+#define CNT_RST BIT(7)
+#define INT_SR BIT(6)
+#define INT_EN BIT(5)
+#define PWM_SINGLE BIT(4)
+#define PWM_OE BIT(3)
+#define CNT_EN BIT(0)
#endif /* __ASM_MACH_LOONGSON32_REGS_PWM_H */
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
+ * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@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
@@ -10,14 +10,17 @@
#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 <asm-generic/sizes.h>
-#include <cpufreq.h>
#include <loongson1.h>
+#include <cpufreq.h>
+#include <dma.h>
+#include <nand.h>
/* 8250/16550 compatible UART */
#define LS1X_UART(_id) \
@@ -45,7 +48,7 @@ struct platform_device ls1x_uart_pdev = {
},
};
-void __init ls1x_serial_setup(struct platform_device *pdev)
+void __init ls1x_serial_set_uartclk(struct platform_device *pdev)
{
struct clk *clk;
struct plat_serial8250_port *p;
@@ -77,6 +80,42 @@ struct platform_device ls1x_cpufreq_pdev = {
},
};
+/* DMA */
+static struct resource ls1x_dma_resources[] = {
+ [0] = {
+ .start = LS1X_DMAC_BASE,
+ .end = LS1X_DMAC_BASE + SZ_4 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = LS1X_DMA0_IRQ,
+ .end = LS1X_DMA0_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = LS1X_DMA1_IRQ,
+ .end = LS1X_DMA1_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = LS1X_DMA2_IRQ,
+ .end = LS1X_DMA2_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device ls1x_dma_pdev = {
+ .name = "ls1x-dma",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ls1x_dma_resources),
+ .resource = ls1x_dma_resources,
+};
+
+void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata)
+{
+ ls1x_dma_pdev.dev.platform_data = pdata;
+}
+
/* Synopsys Ethernet GMAC */
static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
.phy_mask = 0,
@@ -198,6 +237,64 @@ struct platform_device ls1x_eth1_pdev = {
},
};
+/* 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,
+};
+
+/* NAND Flash */
+static struct resource ls1x_nand_resources[] = {
+ [0] = {
+ .start = LS1X_NAND_BASE,
+ .end = LS1X_NAND_BASE + SZ_32 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* DMA channel 0 is dedicated to NAND */
+ .start = LS1X_DMA_CHANNEL0,
+ .end = LS1X_DMA_CHANNEL0,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device ls1x_nand_pdev = {
+ .name = "ls1x-nand",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ls1x_nand_resources),
+ .resource = ls1x_nand_resources,
+};
+
+void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata)
+{
+ ls1x_nand_pdev.dev.platform_data = pdata;
+}
+
/* USB EHCI */
static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
@@ -9,12 +9,13 @@
#include <linux/io.h>
#include <linux/pm.h>
+#include <linux/sizes.h>
#include <asm/idle.h>
#include <asm/reboot.h>
#include <loongson1.h>
-static void __iomem *wdt_base;
+static void __iomem *wdt_reg_base;
static void ls1x_halt(void)
{
@@ -26,9 +27,9 @@ static void ls1x_halt(void)
static void ls1x_restart(char *command)
{
- __raw_writel(0x1, wdt_base + WDT_EN);
- __raw_writel(0x1, wdt_base + WDT_TIMER);
- __raw_writel(0x1, wdt_base + WDT_SET);
+ __raw_writel(0x1, wdt_reg_base + WDT_EN);
+ __raw_writel(0x1, wdt_reg_base + WDT_TIMER);
+ __raw_writel(0x1, wdt_reg_base + WDT_SET);
ls1x_halt();
}
@@ -40,8 +41,8 @@ static void ls1x_power_off(void)
static int __init ls1x_reboot_setup(void)
{
- wdt_base = ioremap_nocache(LS1X_WDT_BASE, 0x0f);
- if (!wdt_base)
+ wdt_reg_base = ioremap_nocache(LS1X_WDT_BASE, (SZ_4 + SZ_8));
+ if (!wdt_reg_base)
panic("Failed to remap watchdog registers");
_machine_restart = ls1x_restart;
@@ -9,6 +9,7 @@
#include <linux/clk.h>
#include <linux/interrupt.h>
+#include <linux/sizes.h>
#include <asm/time.h>
#include <loongson1.h>
@@ -35,25 +36,25 @@
DEFINE_RAW_SPINLOCK(ls1x_timer_lock);
-static void __iomem *timer_base;
+static void __iomem *timer_reg_base;
static uint32_t ls1x_jiffies_per_tick;
static inline void ls1x_pwmtimer_set_period(uint32_t period)
{
- __raw_writel(period, timer_base + PWM_HRC);
- __raw_writel(period, timer_base + PWM_LRC);
+ __raw_writel(period, timer_reg_base + PWM_HRC);
+ __raw_writel(period, timer_reg_base + PWM_LRC);
}
static inline void ls1x_pwmtimer_restart(void)
{
- __raw_writel(0x0, timer_base + PWM_CNT);
- __raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL);
+ __raw_writel(0x0, timer_reg_base + PWM_CNT);
+ __raw_writel(INT_EN | CNT_EN, timer_reg_base + PWM_CTRL);
}
void __init ls1x_pwmtimer_init(void)
{
- timer_base = ioremap(LS1X_TIMER_BASE, 0xf);
- if (!timer_base)
+ timer_reg_base = ioremap_nocache(LS1X_TIMER_BASE, SZ_16);
+ if (!timer_reg_base)
panic("Failed to remap timer registers");
ls1x_jiffies_per_tick = DIV_ROUND_CLOSEST(mips_hpt_frequency, HZ);
@@ -86,7 +87,7 @@ static cycle_t ls1x_clocksource_read(struct clocksource *cs)
*/
jifs = jiffies;
/* read the count */
- count = __raw_readl(timer_base + PWM_CNT);
+ count = __raw_readl(timer_reg_base + PWM_CNT);
/*
* It's possible for count to appear to go the wrong way for this
@@ -131,7 +132,7 @@ static int ls1x_clockevent_set_state_periodic(struct clock_event_device *cd)
raw_spin_lock(&ls1x_timer_lock);
ls1x_pwmtimer_set_period(ls1x_jiffies_per_tick);
ls1x_pwmtimer_restart();
- __raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL);
+ __raw_writel(INT_EN | CNT_EN, timer_reg_base + PWM_CTRL);
raw_spin_unlock(&ls1x_timer_lock);
return 0;
@@ -140,7 +141,7 @@ static int ls1x_clockevent_set_state_periodic(struct clock_event_device *cd)
static int ls1x_clockevent_tick_resume(struct clock_event_device *cd)
{
raw_spin_lock(&ls1x_timer_lock);
- __raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL);
+ __raw_writel(INT_EN | CNT_EN, timer_reg_base + PWM_CTRL);
raw_spin_unlock(&ls1x_timer_lock);
return 0;
@@ -149,8 +150,8 @@ static int ls1x_clockevent_tick_resume(struct clock_event_device *cd)
static int ls1x_clockevent_set_state_shutdown(struct clock_event_device *cd)
{
raw_spin_lock(&ls1x_timer_lock);
- __raw_writel(__raw_readl(timer_base + PWM_CTRL) & ~CNT_EN,
- timer_base + PWM_CTRL);
+ __raw_writel(__raw_readl(timer_reg_base + PWM_CTRL) & ~CNT_EN,
+ timer_reg_base + PWM_CTRL);
raw_spin_unlock(&ls1x_timer_lock);
return 0;
@@ -220,7 +221,7 @@ void __init plat_time_init(void)
#ifdef CONFIG_CEVT_CSRC_LS1X
/* setup LS1X PWM timer */
- clk = clk_get(NULL, "ls1x_pwmtimer");
+ clk = clk_get(NULL, "ls1x-pwmtimer");
if (IS_ERR(clk))
panic("unable to get timer clock, err=%ld", PTR_ERR(clk));
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
+ * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@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
@@ -7,26 +7,83 @@
* option) any later version.
*/
+#include <linux/leds.h>
+#include <linux/mtd/partitions.h>
+#include <linux/sizes.h>
+
+#include <loongson1.h>
+#include <dma.h>
+#include <nand.h>
#include <platform.h>
+struct plat_ls1x_dma ls1x_dma_pdata = {
+ .nr_channels = 3,
+};
+
+static struct mtd_partition ls1x_nand_parts[] = {
+ {
+ .name = "kernel",
+ .offset = 0,
+ .size = SZ_16M,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+struct plat_ls1x_nand ls1x_nand_pdata = {
+ .parts = ls1x_nand_parts,
+ .nr_parts = ARRAY_SIZE(ls1x_nand_parts),
+ .hold_cycle = 0x2,
+ .wait_cycle = 0xc,
+};
+
+static const struct gpio_led ls1x_gpio_leds[] __initconst = {
+ {
+ .name = "LED9",
+ .default_trigger = "heartbeat",
+ .gpio = 38,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ }, {
+ .name = "LED6",
+ .default_trigger = "nand-disk",
+ .gpio = 39,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+};
+
+static const struct gpio_led_platform_data ls1x_led_pdata __initconst = {
+ .num_leds = ARRAY_SIZE(ls1x_gpio_leds),
+ .leds = ls1x_gpio_leds,
+};
+
static struct platform_device *ls1b_platform_devices[] __initdata = {
&ls1x_uart_pdev,
&ls1x_cpufreq_pdev,
+ &ls1x_dma_pdev,
&ls1x_eth0_pdev,
&ls1x_eth1_pdev,
&ls1x_ehci_pdev,
+ &ls1x_gpio0_pdev,
+ &ls1x_gpio1_pdev,
+ &ls1x_nand_pdev,
&ls1x_rtc_pdev,
};
static int __init ls1b_platform_init(void)
{
- int err;
+ ls1x_serial_set_uartclk(&ls1x_uart_pdev);
+ ls1x_dma_set_platdata(&ls1x_dma_pdata);
+ ls1x_nand_set_platdata(&ls1x_nand_pdata);
- ls1x_serial_setup(&ls1x_uart_pdev);
+ gpio_led_register_device(-1, &ls1x_led_pdata);
- err = platform_add_devices(ls1b_platform_devices,
+ return platform_add_devices(ls1b_platform_devices,
ARRAY_SIZE(ls1b_platform_devices));
- return err;
}
arch_initcall(ls1b_platform_init);