Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: (40 commits)
DaVinci DM365: Adding support for SPI EEPROM
DaVinci DM365: Adding DM365 SPI support
DaVinci DM355: Modifications to DM355 SPI support
DaVinci: SPI: Adding header file for SPI support.
davinci: dm646x: CDCE clocks: davinci_clk converted to clk_lookup
davinci: clkdev cleanup: remove clk_lookup wrapper, use clkdev_add_table()
DaVinci: DM365: Voice codec support for the DM365 SoC
davinci: clock: let clk->set_rate function sleep
Add SDA and SCL pin numbers to i2c platform data
davinci: da8xx/omap-l1xx: Add EDMA platform data for da850/omap-l138
davinci: build list of unused EDMA events dynamically
davinci: Fix edma_alloc_channel api for EDMA_CHANNEL_ANY case
davinci: Keep count of channel controllers on a platform
davinci: Correct return value of edma_alloc_channel api
davinci: add CDCE949 support on DM6467 EVM
davinci: add support for CDCE949 clock synthesizer
davinci: da850/omap-l138 EVM: register for suspend support
davinci: da850/omap-l138: add support for SoC suspend
davinci: add power management support
DaVinci: DM365: Changing default queue for DM365.
...
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 033bfed..0ebe185 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -91,10 +91,14 @@
bool "TI DM6467 EVM"
default ARCH_DAVINCI_DM646x
depends on ARCH_DAVINCI_DM646x
+ select MACH_DAVINCI_DM6467TEVM
help
Configure this option to specify the whether the board used
for development is a DM6467 EVM
+config MACH_DAVINCI_DM6467TEVM
+ bool
+
config MACH_DAVINCI_DM365_EVM
bool "TI DM365 EVM"
default ARCH_DAVINCI_DM365
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index eeb9230..6aac880 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -26,7 +26,7 @@
obj-$(CONFIG_MACH_NEUROS_OSD2) += board-neuros-osd2.o
obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o
obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
-obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o
+obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o cdce949.o
obj-$(CONFIG_MACH_DAVINCI_DM365_EVM) += board-dm365-evm.o
obj-$(CONFIG_MACH_DAVINCI_DA830_EVM) += board-da830-evm.o
obj-$(CONFIG_MACH_DAVINCI_DA850_EVM) += board-da850-evm.o
@@ -34,3 +34,4 @@
# Power Management
obj-$(CONFIG_CPU_FREQ) += cpufreq.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
+obj-$(CONFIG_SUSPEND) += pm.o sleep.o
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 31dc990..dc19870 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -112,7 +112,7 @@
* Set up USB clock/mode in the CFGCHIP2 register.
* FYI: CFGCHIP2 is 0x0000ef00 initially.
*/
- cfgchip2 = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG));
+ cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
/* USB2.0 PHY reference clock is 24 MHz */
cfgchip2 &= ~CFGCHIP2_REFFREQ;
@@ -139,7 +139,7 @@
cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
#endif
- __raw_writel(cfgchip2, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG));
+ __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
/* USB_REFCLKIN is not used. */
ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 07de8db..411284d 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -46,8 +46,20 @@
static struct mtd_partition da850_evm_norflash_partition[] = {
{
- .name = "NOR filesystem",
+ .name = "bootloaders + env",
.offset = 0,
+ .size = SZ_512K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_2M,
+ .mask_flags = 0,
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0,
},
@@ -77,6 +89,18 @@
.resource = da850_evm_norflash_resource,
};
+static struct davinci_pm_config da850_pm_pdata = {
+ .sleepcount = 128,
+};
+
+static struct platform_device da850_pm_device = {
+ .name = "pm-davinci",
+ .dev = {
+ .platform_data = &da850_pm_pdata,
+ },
+ .id = -1,
+};
+
/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
* (128K blocks). It may be used instead of the (default) SPI flash
* to boot, using TI's tools to install the secondary boot loader
@@ -119,6 +143,7 @@
.parts = da850_evm_nandflash_partition,
.nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
.ecc_mode = NAND_ECC_HW,
+ .ecc_bits = 4,
.options = NAND_USE_FLASH_BBT,
};
@@ -537,7 +562,7 @@
if (!machine_is_davinci_da850_evm())
return 0;
- cfg_chip3_base = DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG);
+ cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
val = __raw_readl(cfg_chip3_base);
@@ -696,6 +721,11 @@
if (ret)
pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
ret);
+
+ ret = da850_register_pm(&da850_pm_device);
+ if (ret)
+ pr_warning("da850_evm_init: suspend registration failed: %d\n",
+ ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 077ecf4..aa48e3f 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -111,6 +111,8 @@
static struct davinci_i2c_platform_data i2c_pdata = {
.bus_freq = 400 /* kHz */,
.bus_delay = 0 /* usec */,
+ .sda_pin = 15,
+ .scl_pin = 14,
};
static struct snd_platform_data dm355_evm_snd_data;
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 38e9033..d15bece 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -24,6 +24,8 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -571,6 +573,24 @@
dm365_init();
}
+static struct spi_eeprom at25640 = {
+ .byte_len = SZ_64K / 8,
+ .name = "at25640",
+ .page_size = 32,
+ .flags = EE_ADDR2,
+};
+
+static struct spi_board_info dm365_evm_spi_info[] __initconst = {
+ {
+ .modalias = "at25",
+ .platform_data = &at25640,
+ .max_speed_hz = 10 * 1000 * 1000,
+ .bus_num = 0,
+ .chip_select = 0,
+ .mode = SPI_MODE_0,
+ },
+};
+
static __init void dm365_evm_init(void)
{
evm_init_i2c();
@@ -587,6 +607,9 @@
dm365_init_asp(&dm365_evm_snd_data);
dm365_init_rtc();
dm365_init_ks(&dm365evm_ks_data);
+
+ dm365_init_spi0(BIT(0), dm365_evm_spi_info,
+ ARRAY_SIZE(dm365_evm_spi_info));
}
static __init void dm365_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index e9612cf..976e11b 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -629,6 +629,8 @@
static struct davinci_i2c_platform_data i2c_pdata = {
.bus_freq = 20 /* kHz */,
.bus_delay = 100 /* usec */,
+ .sda_pin = 44,
+ .scl_pin = 43,
};
static void __init evm_init_i2c(void)
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 8d0b0e0..5ba3cb2 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -30,6 +30,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/clk.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -39,54 +40,13 @@
#include <mach/serial.h>
#include <mach/i2c.h>
#include <mach/nand.h>
+#include <mach/clock.h>
+#include <mach/cdce949.h>
-#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
- defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
-#define HAS_ATA 1
-#else
-#define HAS_ATA 0
-#endif
-
-#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x20008000
-#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x42000000
+#include "clock.h"
#define NAND_BLOCK_SIZE SZ_128K
-/* CPLD Register 0 bits to control ATA */
-#define DM646X_EVM_ATA_RST BIT(0)
-#define DM646X_EVM_ATA_PWD BIT(1)
-
-#define DM646X_EVM_PHY_MASK (0x2)
-#define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
-
-#define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
-#define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
-#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
-#define VCH2CLK_SYSCLK8 (BIT(9))
-#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
-#define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
-#define VCH3CLK_SYSCLK8 (BIT(13))
-#define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
-
-#define VIDCH2CLK (BIT(10))
-#define VIDCH3CLK (BIT(11))
-#define VIDCH1CLK (BIT(4))
-#define TVP7002_INPUT (BIT(4))
-#define TVP5147_INPUT (~BIT(4))
-#define VPIF_INPUT_ONE_CHANNEL (BIT(5))
-#define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
-#define TVP5147_CH0 "tvp514x-0"
-#define TVP5147_CH1 "tvp514x-1"
-
-static void __iomem *vpif_vidclkctl_reg;
-static void __iomem *vpif_vsclkdis_reg;
-/* spin lock for updating above registers */
-static spinlock_t vpif_reg_lock;
-
-static struct davinci_uart_config uart_config __initdata = {
- .enabled_uarts = (1 << 0),
-};
-
/* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
* and U-Boot environment this avoids dependency on any particular combination
* of UBL, U-Boot or flashing tools etc.
@@ -120,6 +80,9 @@
.options = 0,
};
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x20008000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x42000000
+
static struct resource davinci_nand_resources[] = {
{
.start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
@@ -144,6 +107,17 @@
},
};
+#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+#define HAS_ATA 1
+#else
+#define HAS_ATA 0
+#endif
+
+/* CPLD Register 0 bits to control ATA */
+#define DM646X_EVM_ATA_RST BIT(0)
+#define DM646X_EVM_ATA_PWD BIT(1)
+
/* CPLD Register 0 Client: used for I/O Control */
static int cpld_reg0_probe(struct i2c_client *client,
const struct i2c_device_id *id)
@@ -417,6 +391,9 @@
{
I2C_BOARD_INFO("cpld_video", 0x3b),
},
+ {
+ I2C_BOARD_INFO("cdce949", 0x6c),
+ },
};
static struct davinci_i2c_platform_data i2c_pdata = {
@@ -424,6 +401,30 @@
.bus_delay = 0 /* usec */,
};
+#define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
+#define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
+#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
+#define VCH2CLK_SYSCLK8 (BIT(9))
+#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
+#define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
+#define VCH3CLK_SYSCLK8 (BIT(13))
+#define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
+
+#define VIDCH2CLK (BIT(10))
+#define VIDCH3CLK (BIT(11))
+#define VIDCH1CLK (BIT(4))
+#define TVP7002_INPUT (BIT(4))
+#define TVP5147_INPUT (~BIT(4))
+#define VPIF_INPUT_ONE_CHANNEL (BIT(5))
+#define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
+#define TVP5147_CH0 "tvp514x-0"
+#define TVP5147_CH1 "tvp514x-1"
+
+static void __iomem *vpif_vidclkctl_reg;
+static void __iomem *vpif_vsclkdis_reg;
+/* spin lock for updating above registers */
+static spinlock_t vpif_reg_lock;
+
static int set_vpif_clock(int mux_mode, int hd)
{
unsigned long flags;
@@ -685,11 +686,44 @@
evm_init_video();
}
+#define CDCE949_XIN_RATE 27000000
+
+/* CDCE949 support - "lpsc" field is overridden to work as clock number */
+static struct clk cdce_clk_in = {
+ .name = "cdce_xin",
+ .rate = CDCE949_XIN_RATE,
+};
+
+static struct clk_lookup cdce_clks[] = {
+ CLK(NULL, "xin", &cdce_clk_in),
+ CLK(NULL, NULL, NULL),
+};
+
+static void __init cdce_clk_init(void)
+{
+ struct clk_lookup *c;
+ struct clk *clk;
+
+ for (c = cdce_clks; c->clk; c++) {
+ clk = c->clk;
+ clkdev_add(c);
+ clk_register(clk);
+ }
+}
+
static void __init davinci_map_io(void)
{
dm646x_init();
+ cdce_clk_init();
}
+static struct davinci_uart_config uart_config __initdata = {
+ .enabled_uarts = (1 << 0),
+};
+
+#define DM646X_EVM_PHY_MASK (0x2)
+#define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
+
static __init void evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -713,6 +747,17 @@
davinci_irq_init();
}
+#define DM646X_EVM_REF_FREQ 27000000
+#define DM6467T_EVM_REF_FREQ 33000000
+
+void __init dm646x_board_setup_refclk(struct clk *clk)
+{
+ if (machine_is_davinci_dm6467tevm())
+ clk->rate = DM6467T_EVM_REF_FREQ;
+ else
+ clk->rate = DM646X_EVM_REF_FREQ;
+}
+
MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
.phys_io = IO_PHYS,
.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
@@ -723,3 +768,13 @@
.init_machine = evm_init,
MACHINE_END
+MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
+ .phys_io = IO_PHYS,
+ .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+ .boot_params = (0x80000100),
+ .map_io = davinci_map_io,
+ .init_irq = davinci_dm646x_evm_irq_init,
+ .timer = &davinci_timer,
+ .init_machine = evm_init,
+MACHINE_END
+
diff --git a/arch/arm/mach-davinci/cdce949.c b/arch/arm/mach-davinci/cdce949.c
new file mode 100644
index 0000000..aec3756
--- /dev/null
+++ b/arch/arm/mach-davinci/cdce949.c
@@ -0,0 +1,293 @@
+/*
+ * TI CDCE949 clock synthesizer driver
+ *
+ * Note: This implementation assumes an input of 27MHz to the CDCE.
+ * This is by no means constrained by CDCE hardware although the datasheet
+ * does use this as an example for all illustrations and more importantly:
+ * that is the crystal input on boards it is currently used on.
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated. http://www.ti.com/
+ *
+ * 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.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+
+#include <mach/clock.h>
+
+#include "clock.h"
+
+static struct i2c_client *cdce_i2c_client;
+static DEFINE_MUTEX(cdce_mutex);
+
+/* CDCE register descriptor */
+struct cdce_reg {
+ u8 addr;
+ u8 val;
+};
+
+/* Per-Output (Y1, Y2 etc.) frequency descriptor */
+struct cdce_freq {
+ /* Frequency in KHz */
+ unsigned long frequency;
+ /*
+ * List of registers to program to obtain a particular frequency.
+ * 0x0 in register address and value is the end of list marker.
+ */
+ struct cdce_reg *reglist;
+};
+
+#define CDCE_FREQ_TABLE_ENTRY(line, out) \
+{ \
+ .reglist = cdce_y ##line## _ ##out, \
+ .frequency = out, \
+}
+
+/* List of CDCE outputs */
+struct cdce_output {
+ /* List of frequencies on this output */
+ struct cdce_freq *freq_table;
+ /* Number of possible frequencies */
+ int size;
+};
+
+/*
+ * Finding out the values to program into CDCE949 registers for a particular
+ * frequency output is not a simple calculation. Have a look at the datasheet
+ * for the details. There is desktop software available to help users with
+ * the calculations. Here, we just depend on the output of that software
+ * (or hand calculations) instead trying to runtime calculate the register
+ * values and inflicting misery on ourselves.
+ */
+static struct cdce_reg cdce_y1_148500[] = {
+ { 0x13, 0x00 },
+ /* program PLL1_0 multiplier */
+ { 0x18, 0xaf },
+ { 0x19, 0x50 },
+ { 0x1a, 0x02 },
+ { 0x1b, 0xc9 },
+ /* program PLL1_11 multiplier */
+ { 0x1c, 0x00 },
+ { 0x1d, 0x40 },
+ { 0x1e, 0x02 },
+ { 0x1f, 0xc9 },
+ /* output state selection */
+ { 0x15, 0x00 },
+ { 0x14, 0xef },
+ /* switch MUX to PLL1 output */
+ { 0x14, 0x6f },
+ { 0x16, 0x06 },
+ /* set P2DIV divider, P3DIV and input crystal */
+ { 0x17, 0x06 },
+ { 0x01, 0x00 },
+ { 0x05, 0x48 },
+ { 0x02, 0x80 },
+ /* enable and disable PLL */
+ { 0x02, 0xbc },
+ { 0x03, 0x01 },
+ { },
+};
+
+static struct cdce_reg cdce_y1_74250[] = {
+ { 0x13, 0x00 },
+ { 0x18, 0xaf },
+ { 0x19, 0x50 },
+ { 0x1a, 0x02 },
+ { 0x1b, 0xc9 },
+ { 0x1c, 0x00 },
+ { 0x1d, 0x40 },
+ { 0x1e, 0x02 },
+ { 0x1f, 0xc9 },
+ /* output state selection */
+ { 0x15, 0x00 },
+ { 0x14, 0xef },
+ /* switch MUX to PLL1 output */
+ { 0x14, 0x6f },
+ { 0x16, 0x06 },
+ /* set P2DIV divider, P3DIV and input crystal */
+ { 0x17, 0x06 },
+ { 0x01, 0x00 },
+ { 0x05, 0x48 },
+ { 0x02, 0x80 },
+ /* enable and disable PLL */
+ { 0x02, 0xbc },
+ { 0x03, 0x02 },
+ { },
+};
+
+static struct cdce_reg cdce_y1_27000[] = {
+ { 0x13, 0x00 },
+ { 0x18, 0x00 },
+ { 0x19, 0x40 },
+ { 0x1a, 0x02 },
+ { 0x1b, 0x08 },
+ { 0x1c, 0x00 },
+ { 0x1d, 0x40 },
+ { 0x1e, 0x02 },
+ { 0x1f, 0x08 },
+ { 0x15, 0x02 },
+ { 0x14, 0xed },
+ { 0x16, 0x01 },
+ { 0x17, 0x01 },
+ { 0x01, 0x00 },
+ { 0x05, 0x50 },
+ { 0x02, 0xb4 },
+ { 0x03, 0x01 },
+ { },
+};
+
+static struct cdce_freq cdce_y1_freqs[] = {
+ CDCE_FREQ_TABLE_ENTRY(1, 148500),
+ CDCE_FREQ_TABLE_ENTRY(1, 74250),
+ CDCE_FREQ_TABLE_ENTRY(1, 27000),
+};
+
+static struct cdce_reg cdce_y5_13500[] = {
+ { 0x27, 0x08 },
+ { 0x28, 0x00 },
+ { 0x29, 0x40 },
+ { 0x2a, 0x02 },
+ { 0x2b, 0x08 },
+ { 0x24, 0x6f },
+ { },
+};
+
+static struct cdce_reg cdce_y5_16875[] = {
+ { 0x27, 0x08 },
+ { 0x28, 0x9f },
+ { 0x29, 0xb0 },
+ { 0x2a, 0x02 },
+ { 0x2b, 0x89 },
+ { 0x24, 0x6f },
+ { },
+};
+
+static struct cdce_reg cdce_y5_27000[] = {
+ { 0x27, 0x04 },
+ { 0x28, 0x00 },
+ { 0x29, 0x40 },
+ { 0x2a, 0x02 },
+ { 0x2b, 0x08 },
+ { 0x24, 0x6f },
+ { },
+};
+static struct cdce_reg cdce_y5_54000[] = {
+ { 0x27, 0x04 },
+ { 0x28, 0xff },
+ { 0x29, 0x80 },
+ { 0x2a, 0x02 },
+ { 0x2b, 0x07 },
+ { 0x24, 0x6f },
+ { },
+};
+
+static struct cdce_reg cdce_y5_81000[] = {
+ { 0x27, 0x02 },
+ { 0x28, 0xbf },
+ { 0x29, 0xa0 },
+ { 0x2a, 0x03 },
+ { 0x2b, 0x0a },
+ { 0x24, 0x6f },
+ { },
+};
+
+static struct cdce_freq cdce_y5_freqs[] = {
+ CDCE_FREQ_TABLE_ENTRY(5, 13500),
+ CDCE_FREQ_TABLE_ENTRY(5, 16875),
+ CDCE_FREQ_TABLE_ENTRY(5, 27000),
+ CDCE_FREQ_TABLE_ENTRY(5, 54000),
+ CDCE_FREQ_TABLE_ENTRY(5, 81000),
+};
+
+
+static struct cdce_output output_list[] = {
+ [1] = { cdce_y1_freqs, ARRAY_SIZE(cdce_y1_freqs) },
+ [5] = { cdce_y5_freqs, ARRAY_SIZE(cdce_y5_freqs) },
+};
+
+int cdce_set_rate(struct clk *clk, unsigned long rate)
+{
+ int i, ret = 0;
+ struct cdce_freq *freq_table = output_list[clk->lpsc].freq_table;
+ struct cdce_reg *regs = NULL;
+
+ if (!cdce_i2c_client)
+ return -ENODEV;
+
+ if (!freq_table)
+ return -EINVAL;
+
+ for (i = 0; i < output_list[clk->lpsc].size; i++) {
+ if (freq_table[i].frequency == rate / 1000) {
+ regs = freq_table[i].reglist;
+ break;
+ }
+ }
+
+ if (!regs)
+ return -EINVAL;
+
+ mutex_lock(&cdce_mutex);
+ for (i = 0; regs[i].addr; i++) {
+ ret = i2c_smbus_write_byte_data(cdce_i2c_client,
+ regs[i].addr | 0x80, regs[i].val);
+ if (ret)
+ break;
+ }
+ mutex_unlock(&cdce_mutex);
+
+ if (!ret)
+ clk->rate = rate;
+
+ return ret;
+}
+
+static int cdce_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ cdce_i2c_client = client;
+ return 0;
+}
+
+static int __devexit cdce_remove(struct i2c_client *client)
+{
+ cdce_i2c_client = NULL;
+ return 0;
+}
+
+static const struct i2c_device_id cdce_id[] = {
+ {"cdce949", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, cdce_id);
+
+static struct i2c_driver cdce_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "cdce949",
+ },
+ .probe = cdce_probe,
+ .remove = __devexit_p(cdce_remove),
+ .id_table = cdce_id,
+};
+
+static int __init cdce_init(void)
+{
+ return i2c_add_driver(&cdce_driver);
+}
+subsys_initcall(cdce_init);
+
+static void __exit cdce_exit(void)
+{
+ i2c_del_driver(&cdce_driver);
+}
+module_exit(cdce_exit);
+
+MODULE_AUTHOR("Texas Instruments");
+MODULE_DESCRIPTION("CDCE949 clock synthesizer driver");
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index baece65..bf6218e 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -49,7 +49,8 @@
{
if (WARN_ON(clk->usecount == 0))
return;
- if (--clk->usecount == 0 && !(clk->flags & CLK_PLL))
+ if (--clk->usecount == 0 && !(clk->flags & CLK_PLL) &&
+ (clk->flags & CLK_PSC))
davinci_psc_config(psc_domain(clk), clk->gpsc, clk->lpsc, 0);
if (clk->parent)
__clk_disable(clk->parent);
@@ -124,9 +125,10 @@
if (clk == NULL || IS_ERR(clk))
return ret;
- spin_lock_irqsave(&clockfw_lock, flags);
if (clk->set_rate)
ret = clk->set_rate(clk, rate);
+
+ spin_lock_irqsave(&clockfw_lock, flags);
if (ret == 0) {
if (clk->recalc)
clk->rate = clk->recalc(clk);
@@ -363,6 +365,7 @@
{
u32 ctrl;
unsigned int locktime;
+ unsigned long flags;
if (pll->base == NULL)
return -EINVAL;
@@ -376,25 +379,23 @@
locktime = ((2000 * prediv) / 100);
prediv = (prediv - 1) | PLLDIV_EN;
} else {
- locktime = 20;
+ locktime = PLL_LOCK_TIME;
}
if (postdiv)
postdiv = (postdiv - 1) | PLLDIV_EN;
if (mult)
mult = mult - 1;
+ /* Protect against simultaneous calls to PLL setting seqeunce */
+ spin_lock_irqsave(&clockfw_lock, flags);
+
ctrl = __raw_readl(pll->base + PLLCTL);
/* Switch the PLL to bypass mode */
ctrl &= ~(PLLCTL_PLLENSRC | PLLCTL_PLLEN);
__raw_writel(ctrl, pll->base + PLLCTL);
- /*
- * Wait for 4 OSCIN/CLKIN cycles to ensure that the PLLC has switched
- * to bypass mode. Delay of 1us ensures we are good for all > 4MHz
- * OSCIN/CLKIN inputs. Typically the input is ~25MHz.
- */
- udelay(1);
+ udelay(PLL_BYPASS_TIME);
/* Reset and enable PLL */
ctrl &= ~(PLLCTL_PLLRST | PLLCTL_PLLDIS);
@@ -408,11 +409,7 @@
if (pll->flags & PLL_HAS_POSTDIV)
__raw_writel(postdiv, pll->base + POSTDIV);
- /*
- * Wait for PLL to reset properly, OMAP-L138 datasheet says
- * 'min' time = 125ns
- */
- udelay(1);
+ udelay(PLL_RESET_TIME);
/* Bring PLL out of reset */
ctrl |= PLLCTL_PLLRST;
@@ -424,17 +421,20 @@
ctrl |= PLLCTL_PLLEN;
__raw_writel(ctrl, pll->base + PLLCTL);
+ spin_unlock_irqrestore(&clockfw_lock, flags);
+
return 0;
}
EXPORT_SYMBOL(davinci_set_pllrate);
-int __init davinci_clk_init(struct davinci_clk *clocks)
+int __init davinci_clk_init(struct clk_lookup *clocks)
{
- struct davinci_clk *c;
+ struct clk_lookup *c;
struct clk *clk;
+ size_t num_clocks = 0;
- for (c = clocks; c->lk.clk; c++) {
- clk = c->lk.clk;
+ for (c = clocks; c->clk; c++) {
+ clk = c->clk;
if (!clk->recalc) {
@@ -457,36 +457,24 @@
if (clk->lpsc)
clk->flags |= CLK_PSC;
- clkdev_add(&c->lk);
clk_register(clk);
+ num_clocks++;
/* Turn on clocks that Linux doesn't otherwise manage */
if (clk->flags & ALWAYS_ENABLED)
clk_enable(clk);
}
+ clkdev_add_table(clocks, num_clocks);
+
return 0;
}
-#ifdef CONFIG_PROC_FS
-#include <linux/proc_fs.h>
+#ifdef CONFIG_DEBUG_FS
+
+#include <linux/debugfs.h>
#include <linux/seq_file.h>
-static void *davinci_ck_start(struct seq_file *m, loff_t *pos)
-{
- return *pos < 1 ? (void *)1 : NULL;
-}
-
-static void *davinci_ck_next(struct seq_file *m, void *v, loff_t *pos)
-{
- ++*pos;
- return NULL;
-}
-
-static void davinci_ck_stop(struct seq_file *m, void *v)
-{
-}
-
#define CLKNAME_MAX 10 /* longest clock name */
#define NEST_DELTA 2
#define NEST_MAX 4
@@ -525,41 +513,38 @@
static int davinci_ck_show(struct seq_file *m, void *v)
{
- /* Show clock tree; we know the main oscillator is first.
- * We trust nonzero usecounts equate to PSC enables...
+ struct clk *clk;
+
+ /*
+ * Show clock tree; We trust nonzero usecounts equate to PSC enables...
*/
mutex_lock(&clocks_mutex);
- if (!list_empty(&clocks))
- dump_clock(m, 0, list_first_entry(&clocks, struct clk, node));
+ list_for_each_entry(clk, &clocks, node)
+ if (!clk->parent)
+ dump_clock(m, 0, clk);
mutex_unlock(&clocks_mutex);
return 0;
}
-static const struct seq_operations davinci_ck_op = {
- .start = davinci_ck_start,
- .next = davinci_ck_next,
- .stop = davinci_ck_stop,
- .show = davinci_ck_show
-};
-
static int davinci_ck_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &davinci_ck_op);
+ return single_open(file, davinci_ck_show, NULL);
}
-static const struct file_operations proc_davinci_ck_operations = {
+static const struct file_operations davinci_ck_operations = {
.open = davinci_ck_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = single_release,
};
-static int __init davinci_ck_proc_init(void)
+static int __init davinci_clk_debugfs_init(void)
{
- proc_create("davinci_clocks", 0, NULL, &proc_davinci_ck_operations);
+ debugfs_create_file("davinci_clocks", S_IFREG | S_IRUGO, NULL, NULL,
+ &davinci_ck_operations);
return 0;
}
-__initcall(davinci_ck_proc_init);
-#endif /* CONFIG_DEBUG_PROC_FS */
+device_initcall(davinci_clk_debugfs_init);
+#endif /* CONFIG_DEBUG_FS */
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index c92d77a..aa0a611 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -12,9 +12,6 @@
#ifndef __ARCH_ARM_DAVINCI_CLOCK_H
#define __ARCH_ARM_DAVINCI_CLOCK_H
-#include <linux/list.h>
-#include <asm/clkdev.h>
-
#define DAVINCI_PLL1_BASE 0x01c40800
#define DAVINCI_PLL2_BASE 0x01c40c00
#define MAX_PLL 2
@@ -53,6 +50,26 @@
#define PLLDIV_EN BIT(15)
#define PLLDIV_RATIO_MASK 0x1f
+/*
+ * OMAP-L138 system reference guide recommends a wait for 4 OSCIN/CLKIN
+ * cycles to ensure that the PLLC has switched to bypass mode. Delay of 1us
+ * ensures we are good for all > 4MHz OSCIN/CLKIN inputs. Typically the input
+ * is ~25MHz. Units are micro seconds.
+ */
+#define PLL_BYPASS_TIME 1
+/* From OMAP-L138 datasheet table 6-4. Units are micro seconds */
+#define PLL_RESET_TIME 1
+/*
+ * From OMAP-L138 datasheet table 6-4; assuming prediv = 1, sqrt(pllm) = 4
+ * Units are micro seconds.
+ */
+#define PLL_LOCK_TIME 20
+
+#ifndef __ASSEMBLER__
+
+#include <linux/list.h>
+#include <asm/clkdev.h>
+
struct pll_data {
u32 phys_base;
void __iomem *base;
@@ -89,23 +106,19 @@
#define CLK_PLL BIT(4) /* PLL-derived clock */
#define PRE_PLL BIT(5) /* source is before PLL mult/div */
-struct davinci_clk {
- struct clk_lookup lk;
-};
+#define CLK(dev, con, ck) \
+ { \
+ .dev_id = dev, \
+ .con_id = con, \
+ .clk = ck, \
+ } \
-#define CLK(dev, con, ck) \
- { \
- .lk = { \
- .dev_id = dev, \
- .con_id = con, \
- .clk = ck, \
- }, \
- }
-
-int davinci_clk_init(struct davinci_clk *clocks);
+int davinci_clk_init(struct clk_lookup *clocks);
int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
unsigned int mult, unsigned int postdiv);
extern struct platform_device davinci_wdt_device;
#endif
+
+#endif
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index c2de94c..94f27cb 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -11,13 +11,13 @@
#include <linux/module.h>
#include <linux/io.h>
#include <linux/etherdevice.h>
+#include <linux/davinci_emac.h>
#include <asm/tlb.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/cputype.h>
-#include <mach/emac.h>
#include "clock.h"
diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index 97a90f3..bd59f31 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -19,6 +19,7 @@
#include <asm/proc-fns.h>
#include <mach/cpuidle.h>
+#include <mach/memory.h>
#define DAVINCI_CPUIDLE_MAX_STATES 2
@@ -39,10 +40,6 @@
static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device);
static void __iomem *ddr2_reg_base;
-#define DDR2_SDRCR_OFFSET 0xc
-#define DDR2_SRPD_BIT BIT(23)
-#define DDR2_LPMODEN_BIT BIT(31)
-
static void davinci_save_ddr_power(int enter, bool pdown)
{
u32 val;
@@ -109,8 +106,6 @@
int ret;
struct cpuidle_device *device;
struct davinci_cpuidle_config *pdata = pdev->dev.platform_data;
- struct resource *ddr2_regs;
- resource_size_t len;
device = &per_cpu(davinci_cpuidle_device, smp_processor_id());
@@ -119,28 +114,12 @@
return -ENOENT;
}
- ddr2_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!ddr2_regs) {
- dev_err(&pdev->dev, "cannot get DDR2 controller register base");
- return -ENODEV;
- }
-
- len = resource_size(ddr2_regs);
-
- ddr2_regs = request_mem_region(ddr2_regs->start, len, ddr2_regs->name);
- if (!ddr2_regs)
- return -EBUSY;
-
- ddr2_reg_base = ioremap(ddr2_regs->start, len);
- if (!ddr2_reg_base) {
- ret = -ENOMEM;
- goto ioremap_fail;
- }
+ ddr2_reg_base = pdata->ddr2_ctlr_base;
ret = cpuidle_register_driver(&davinci_idle_driver);
if (ret) {
dev_err(&pdev->dev, "failed to register driver\n");
- goto driver_register_fail;
+ return ret;
}
/* Wait for interrupt state */
@@ -167,18 +146,11 @@
ret = cpuidle_register_device(device);
if (ret) {
dev_err(&pdev->dev, "failed to register device\n");
- goto device_register_fail;
+ cpuidle_unregister_driver(&davinci_idle_driver);
+ return ret;
}
return 0;
-
-device_register_fail:
- cpuidle_unregister_driver(&davinci_idle_driver);
-driver_register_fail:
- iounmap(ddr2_reg_base);
-ioremap_fail:
- release_mem_region(ddr2_regs->start, len);
- return ret;
}
static struct platform_driver davinci_cpuidle_driver = {
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index b22b5cf..122e61a 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -371,7 +371,7 @@
.parent = &pll0_sysclk7,
};
-static struct davinci_clk da830_clks[] = {
+static struct clk_lookup da830_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
CLK(NULL, "pll0_aux", &pll0_aux_clk),
@@ -1208,13 +1208,13 @@
void __init da830_init(void)
{
- da8xx_syscfg_base = ioremap(DA8XX_SYSCFG_BASE, SZ_4K);
- if (WARN(!da8xx_syscfg_base, "Unable to map syscfg module"))
+ da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
+ if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
return;
davinci_soc_info_da830.jtag_id_base =
- DA8XX_SYSCFG_VIRT(DA8XX_JTAG_ID_REG);
- davinci_soc_info_da830.pinmux_base = DA8XX_SYSCFG_VIRT(0x120);
+ DA8XX_SYSCFG0_VIRT(DA8XX_JTAG_ID_REG);
+ davinci_soc_info_da830.pinmux_base = DA8XX_SYSCFG0_VIRT(0x120);
davinci_common_init(&davinci_soc_info_da830);
}
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 717806c..d0fd756 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -26,6 +26,7 @@
#include <mach/time.h>
#include <mach/da8xx.h>
#include <mach/cpufreq.h>
+#include <mach/pm.h>
#include "clock.h"
#include "mux.h"
@@ -40,6 +41,7 @@
#define DA850_REF_FREQ 24000000
#define CFGCHIP3_ASYNC3_CLKSRC BIT(4)
+#define CFGCHIP3_PLL1_MASTER_LOCK BIT(5)
#define CFGCHIP0_PLL_MASTER_LOCK BIT(4)
static int da850_set_armrate(struct clk *clk, unsigned long rate);
@@ -333,7 +335,7 @@
.flags = ALWAYS_ENABLED,
};
-static struct davinci_clk da850_clks[] = {
+static struct clk_lookup da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
CLK(NULL, "pll0_aux", &pll0_aux_clk),
@@ -535,6 +537,7 @@
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
+ MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
#endif
};
@@ -770,6 +773,12 @@
.length = DA8XX_CP_INTC_SIZE,
.type = MT_DEVICE
},
+ {
+ .virtual = SRAM_VIRT,
+ .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE),
+ .length = SZ_8K,
+ .type = MT_DEVICE
+ },
};
static void __iomem *da850_psc_bases[] = {
@@ -825,12 +834,12 @@
static void da850_set_async3_src(int pllnum)
{
struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
- struct davinci_clk *c;
+ struct clk_lookup *c;
unsigned int v;
int ret;
- for (c = da850_clks; c->lk.clk; c++) {
- clk = c->lk.clk;
+ for (c = da850_clks; c->clk; c++) {
+ clk = c->clk;
if (clk->flags & DA850_CLK_ASYNC3) {
ret = clk_set_parent(clk, newparent);
WARN(ret, "DA850: unable to re-parent clock %s",
@@ -838,12 +847,12 @@
}
}
- v = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG));
+ v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
if (pllnum)
v |= CFGCHIP3_ASYNC3_CLKSRC;
else
v &= ~CFGCHIP3_ASYNC3_CLKSRC;
- __raw_writel(v, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG));
+ __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
}
#ifdef CONFIG_CPU_FREQ
@@ -987,7 +996,6 @@
unsigned int prediv, mult, postdiv;
struct da850_opp *opp;
struct pll_data *pll = clk->pll_data;
- unsigned int v;
int ret;
opp = (struct da850_opp *) da850_freq_table[index].index;
@@ -995,11 +1003,6 @@
mult = opp->mult;
postdiv = opp->postdiv;
- /* Unlock writing to PLL registers */
- v = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP0_REG));
- v &= ~CFGCHIP0_PLL_MASTER_LOCK;
- __raw_writel(v, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP0_REG));
-
ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
if (WARN_ON(ret))
return ret;
@@ -1028,6 +1031,43 @@
}
#endif
+int da850_register_pm(struct platform_device *pdev)
+{
+ int ret;
+ struct davinci_pm_config *pdata = pdev->dev.platform_data;
+
+ ret = davinci_cfg_reg(DA850_RTC_ALARM);
+ if (ret)
+ return ret;
+
+ pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
+ pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
+ pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
+
+ pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
+ if (!pdata->cpupll_reg_base)
+ return -ENOMEM;
+
+ pdata->ddrpll_reg_base = ioremap(DA8XX_PLL1_BASE, SZ_4K);
+ if (!pdata->ddrpll_reg_base) {
+ ret = -ENOMEM;
+ goto no_ddrpll_mem;
+ }
+
+ pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
+ if (!pdata->ddrpsc_reg_base) {
+ ret = -ENOMEM;
+ goto no_ddrpsc_mem;
+ }
+
+ return platform_device_register(pdev);
+
+no_ddrpsc_mem:
+ iounmap(pdata->ddrpll_reg_base);
+no_ddrpll_mem:
+ iounmap(pdata->cpupll_reg_base);
+ return ret;
+}
static struct davinci_soc_info davinci_soc_info_da850 = {
.io_desc = da850_io_desc,
@@ -1049,17 +1089,25 @@
.gpio_irq = IRQ_DA8XX_GPIO0,
.serial_dev = &da8xx_serial_device,
.emac_pdata = &da8xx_emac_pdata,
+ .sram_dma = DA8XX_ARM_RAM_BASE,
+ .sram_len = SZ_8K,
};
void __init da850_init(void)
{
- da8xx_syscfg_base = ioremap(DA8XX_SYSCFG_BASE, SZ_4K);
- if (WARN(!da8xx_syscfg_base, "Unable to map syscfg module"))
+ unsigned int v;
+
+ da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
+ if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
+ return;
+
+ da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
+ if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
return;
davinci_soc_info_da850.jtag_id_base =
- DA8XX_SYSCFG_VIRT(DA8XX_JTAG_ID_REG);
- davinci_soc_info_da850.pinmux_base = DA8XX_SYSCFG_VIRT(0x120);
+ DA8XX_SYSCFG0_VIRT(DA8XX_JTAG_ID_REG);
+ davinci_soc_info_da850.pinmux_base = DA8XX_SYSCFG0_VIRT(0x120);
davinci_common_init(&davinci_soc_info_da850);
@@ -1071,4 +1119,14 @@
* be any noticible change even in non-DVFS use cases.
*/
da850_set_async3_src(1);
+
+ /* Unlock writing to PLL0 registers */
+ v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
+ v &= ~CFGCHIP0_PLL_MASTER_LOCK;
+ __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
+
+ /* Unlock writing to PLL1 registers */
+ v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
+ v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
+ __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
}
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index a5105f0..0a96791 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -24,8 +24,10 @@
#include "clock.h"
#define DA8XX_TPCC_BASE 0x01c00000
+#define DA850_TPCC1_BASE 0x01e30000
#define DA8XX_TPTC0_BASE 0x01c08000
#define DA8XX_TPTC1_BASE 0x01c08400
+#define DA850_TPTC2_BASE 0x01e38000
#define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */
#define DA8XX_I2C0_BASE 0x01c22000
#define DA8XX_RTC_BASE 0x01C23000
@@ -42,7 +44,8 @@
#define DA8XX_MDIO_REG_OFFSET 0x4000
#define DA8XX_EMAC_CTRL_RAM_SIZE SZ_8K
-void __iomem *da8xx_syscfg_base;
+void __iomem *da8xx_syscfg0_base;
+void __iomem *da8xx_syscfg1_base;
static struct plat_serial8250_port da8xx_serial_pdata[] = {
{
@@ -82,11 +85,6 @@
},
};
-static const s8 da8xx_dma_chan_no_event[] = {
- 20, 21,
- -1
-};
-
static const s8 da8xx_queue_tc_mapping[][2] = {
/* {event queue no, TC no} */
{0, 0},
@@ -101,20 +99,52 @@
{-1, -1}
};
-static struct edma_soc_info da8xx_edma_info[] = {
+static const s8 da850_queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {-1, -1}
+};
+
+static const s8 da850_queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 3},
+ {-1, -1}
+};
+
+static struct edma_soc_info da830_edma_info[] = {
{
.n_channel = 32,
.n_region = 4,
.n_slot = 128,
.n_tc = 2,
.n_cc = 1,
- .noevent = da8xx_dma_chan_no_event,
.queue_tc_mapping = da8xx_queue_tc_mapping,
.queue_priority_mapping = da8xx_queue_priority_mapping,
},
};
-static struct resource da8xx_edma_resources[] = {
+static struct edma_soc_info da850_edma_info[] = {
+ {
+ .n_channel = 32,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 2,
+ .n_cc = 1,
+ .queue_tc_mapping = da8xx_queue_tc_mapping,
+ .queue_priority_mapping = da8xx_queue_priority_mapping,
+ },
+ {
+ .n_channel = 32,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 1,
+ .n_cc = 1,
+ .queue_tc_mapping = da850_queue_tc_mapping,
+ .queue_priority_mapping = da850_queue_priority_mapping,
+ },
+};
+
+static struct resource da830_edma_resources[] = {
{
.name = "edma_cc0",
.start = DA8XX_TPCC_BASE,
@@ -145,19 +175,91 @@
},
};
-static struct platform_device da8xx_edma_device = {
+static struct resource da850_edma_resources[] = {
+ {
+ .name = "edma_cc0",
+ .start = DA8XX_TPCC_BASE,
+ .end = DA8XX_TPCC_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc0",
+ .start = DA8XX_TPTC0_BASE,
+ .end = DA8XX_TPTC0_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc1",
+ .start = DA8XX_TPTC1_BASE,
+ .end = DA8XX_TPTC1_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_cc1",
+ .start = DA850_TPCC1_BASE,
+ .end = DA850_TPCC1_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc2",
+ .start = DA850_TPTC2_BASE,
+ .end = DA850_TPTC2_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma0",
+ .start = IRQ_DA8XX_CCINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "edma0_err",
+ .start = IRQ_DA8XX_CCERRINT,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "edma1",
+ .start = IRQ_DA850_CCINT1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "edma1_err",
+ .start = IRQ_DA850_CCERRINT1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device da830_edma_device = {
.name = "edma",
.id = -1,
.dev = {
- .platform_data = da8xx_edma_info,
+ .platform_data = da830_edma_info,
},
- .num_resources = ARRAY_SIZE(da8xx_edma_resources),
- .resource = da8xx_edma_resources,
+ .num_resources = ARRAY_SIZE(da830_edma_resources),
+ .resource = da830_edma_resources,
+};
+
+static struct platform_device da850_edma_device = {
+ .name = "edma",
+ .id = -1,
+ .dev = {
+ .platform_data = da850_edma_info,
+ },
+ .num_resources = ARRAY_SIZE(da850_edma_resources),
+ .resource = da850_edma_resources,
};
int __init da8xx_register_edma(void)
{
- return platform_device_register(&da8xx_edma_device);
+ struct platform_device *pdev;
+
+ if (cpu_is_davinci_da830())
+ pdev = &da830_edma_device;
+ else if (cpu_is_davinci_da850())
+ pdev = &da850_edma_device;
+ else
+ return -ENODEV;
+
+ return platform_device_register(pdev);
}
static struct resource da8xx_i2c_resources0[] = {
@@ -495,6 +597,19 @@
return ret;
}
+static void __iomem *da8xx_ddr2_ctlr_base;
+void __iomem * __init da8xx_get_mem_ctlr(void)
+{
+ if (da8xx_ddr2_ctlr_base)
+ return da8xx_ddr2_ctlr_base;
+
+ da8xx_ddr2_ctlr_base = ioremap(DA8XX_DDR2_CTL_BASE, SZ_32K);
+ if (!da8xx_ddr2_ctlr_base)
+ pr_warning("%s: Unable to map DDR2 controller", __func__);
+
+ return da8xx_ddr2_ctlr_base;
+}
+
static struct resource da8xx_cpuidle_resources[] = {
{
.start = DA8XX_DDR2_CTL_BASE,
@@ -520,6 +635,7 @@
int __init da8xx_register_cpuidle(void)
{
+ da8xx_cpuidle_pdata.ddr2_ctlr_base = da8xx_get_mem_ctlr();
+
return platform_device_register(&da8xx_cpuidle_device);
}
-
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index d84e854..3dc0a88 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -29,6 +29,7 @@
#include <mach/serial.h>
#include <mach/common.h>
#include <mach/asp.h>
+#include <mach/spi.h>
#include "clock.h"
#include "mux.h"
@@ -334,7 +335,7 @@
.lpsc = DAVINCI_LPSC_USB,
};
-static struct davinci_clk dm355_clks[] = {
+static struct clk_lookup dm355_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll1", &pll1_clk),
CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
@@ -362,9 +363,9 @@
CLK("davinci-asp.1", NULL, &asp1_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
- CLK(NULL, "spi0", &spi0_clk),
- CLK(NULL, "spi1", &spi1_clk),
- CLK(NULL, "spi2", &spi2_clk),
+ CLK("spi_davinci.0", NULL, &spi0_clk),
+ CLK("spi_davinci.1", NULL, &spi1_clk),
+ CLK("spi_davinci.2", NULL, &spi2_clk),
CLK(NULL, "gpio", &gpio_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK(NULL, "pwm0", &pwm0_clk),
@@ -391,24 +392,40 @@
.flags = IORESOURCE_MEM,
},
{
- .start = IRQ_DM355_SPINT0_1,
+ .start = IRQ_DM355_SPINT0_0,
.flags = IORESOURCE_IRQ,
},
- /* Not yet used, so not included:
- * IORESOURCE_IRQ:
- * - IRQ_DM355_SPINT0_0
- * IORESOURCE_DMA:
- * - DAVINCI_DMA_SPI_SPIX
- * - DAVINCI_DMA_SPI_SPIR
- */
+ {
+ .start = 17,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = 16,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = EVENTQ_1,
+ .flags = IORESOURCE_DMA,
+ },
};
+static struct davinci_spi_platform_data dm355_spi0_pdata = {
+ .version = SPI_VERSION_1,
+ .num_chipselect = 2,
+ .clk_internal = 1,
+ .cs_hold = 1,
+ .intr_level = 0,
+ .poll_mode = 1, /* 0 -> interrupt mode 1-> polling mode */
+ .c2tdelay = 0,
+ .t2cdelay = 0,
+};
static struct platform_device dm355_spi0_device = {
.name = "spi_davinci",
.id = 0,
.dev = {
.dma_mask = &dm355_spi0_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &dm355_spi0_pdata,
},
.num_resources = ARRAY_SIZE(dm355_spi0_resources),
.resource = dm355_spi0_resources,
@@ -563,13 +580,6 @@
/*----------------------------------------------------------------------*/
-static const s8 dma_chan_dm355_no_event[] = {
- 12, 13, 24, 56, 57,
- 58, 59, 60, 61, 62,
- 63,
- -1
-};
-
static const s8
queue_tc_mapping[][2] = {
/* {event queue no, TC no} */
@@ -593,7 +603,6 @@
.n_slot = 128,
.n_tc = 2,
.n_cc = 1,
- .noevent = dma_chan_dm355_no_event,
.queue_tc_mapping = queue_tc_mapping,
.queue_priority_mapping = queue_priority_mapping,
},
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index ce9da43..27772e1 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
+#include <linux/spi/spi.h>
#include <asm/mach/map.h>
@@ -32,6 +33,8 @@
#include <mach/common.h>
#include <mach/asp.h>
#include <mach/keyscan.h>
+#include <mach/spi.h>
+
#include "clock.h"
#include "mux.h"
@@ -403,7 +406,7 @@
.lpsc = DM365_LPSC_MJCP,
};
-static struct davinci_clk dm365_clks[] = {
+static struct clk_lookup dm365_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll1", &pll1_clk),
CLK(NULL, "pll1_aux", &pll1_aux_clk),
@@ -455,7 +458,7 @@
CLK(NULL, "timer3", &timer3_clk),
CLK(NULL, "usb", &usb_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
- CLK("voice_codec", NULL, &voicecodec_clk),
+ CLK("davinci_voicecodec", NULL, &voicecodec_clk),
CLK("davinci-asp.0", NULL, &asp0_clk),
CLK(NULL, "rto", &rto_clk),
CLK(NULL, "mjcp", &mjcp_clk),
@@ -606,9 +609,78 @@
EVT_CFG(DM365, EVT2_ASP_TX, 0, 1, 0, false)
EVT_CFG(DM365, EVT3_ASP_RX, 1, 1, 0, false)
+EVT_CFG(DM365, EVT2_VC_TX, 0, 1, 1, false)
+EVT_CFG(DM365, EVT3_VC_RX, 1, 1, 1, false)
#endif
};
+static u64 dm365_spi0_dma_mask = DMA_BIT_MASK(32);
+
+static struct davinci_spi_platform_data dm365_spi0_pdata = {
+ .version = SPI_VERSION_1,
+ .num_chipselect = 2,
+ .clk_internal = 1,
+ .cs_hold = 1,
+ .intr_level = 0,
+ .poll_mode = 1, /* 0 -> interrupt mode 1-> polling mode */
+ .c2tdelay = 0,
+ .t2cdelay = 0,
+};
+
+static struct resource dm365_spi0_resources[] = {
+ {
+ .start = 0x01c66000,
+ .end = 0x01c667ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DM365_SPIINT0_0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = 17,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = 16,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = EVENTQ_3,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm365_spi0_device = {
+ .name = "spi_davinci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &dm365_spi0_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &dm365_spi0_pdata,
+ },
+ .num_resources = ARRAY_SIZE(dm365_spi0_resources),
+ .resource = dm365_spi0_resources,
+};
+
+void __init dm365_init_spi0(unsigned chipselect_mask,
+ struct spi_board_info *info, unsigned len)
+{
+ davinci_cfg_reg(DM365_SPI0_SCLK);
+ davinci_cfg_reg(DM365_SPI0_SDI);
+ davinci_cfg_reg(DM365_SPI0_SDO);
+
+ /* not all slaves will be wired up */
+ if (chipselect_mask & BIT(0))
+ davinci_cfg_reg(DM365_SPI0_SDENA0);
+ if (chipselect_mask & BIT(1))
+ davinci_cfg_reg(DM365_SPI0_SDENA1);
+
+ spi_register_board_info(info, len);
+
+ platform_device_register(&dm365_spi0_device);
+}
+
static struct emac_platform_data dm365_emac_pdata = {
.ctrl_reg_offset = DM365_EMAC_CNTRL_OFFSET,
.ctrl_mod_reg_offset = DM365_EMAC_CNTRL_MOD_OFFSET,
@@ -754,7 +826,7 @@
.n_cc = 1,
.queue_tc_mapping = dm365_queue_tc_mapping,
.queue_priority_mapping = dm365_queue_priority_mapping,
- .default_queue = EVENTQ_2,
+ .default_queue = EVENTQ_3,
},
};
@@ -835,6 +907,31 @@
.resource = dm365_asp_resources,
};
+static struct resource dm365_vc_resources[] = {
+ {
+ .start = DAVINCI_DM365_VC_BASE,
+ .end = DAVINCI_DM365_VC_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DAVINCI_DMA_VC_TX,
+ .end = DAVINCI_DMA_VC_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = DAVINCI_DMA_VC_RX,
+ .end = DAVINCI_DMA_VC_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm365_vc_device = {
+ .name = "davinci_voicecodec",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm365_vc_resources),
+ .resource = dm365_vc_resources,
+};
+
static struct resource dm365_rtc_resources[] = {
{
.start = DM365_RTC_BASE,
@@ -991,6 +1088,14 @@
platform_device_register(&dm365_asp_device);
}
+void __init dm365_init_vc(struct snd_platform_data *pdata)
+{
+ davinci_cfg_reg(DM365_EVT2_VC_TX);
+ davinci_cfg_reg(DM365_EVT3_VC_RX);
+ dm365_vc_device.dev.platform_data = pdata;
+ platform_device_register(&dm365_vc_device);
+}
+
void __init dm365_init_ks(struct davinci_ks_platform_data *pdata)
{
dm365_ks_device.dev.platform_data = pdata;
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 92aeb56..2f2ae8b 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -277,7 +277,7 @@
.usecount = 1, /* REVISIT: why cant' this be disabled? */
};
-struct davinci_clk dm644x_clks[] = {
+struct clk_lookup dm644x_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll1", &pll1_clk),
CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
@@ -479,15 +479,6 @@
/*----------------------------------------------------------------------*/
-static const s8 dma_chan_dm644x_no_event[] = {
- 0, 1, 12, 13, 14,
- 15, 25, 30, 31, 45,
- 46, 47, 55, 56, 57,
- 58, 59, 60, 61, 62,
- 63,
- -1
-};
-
static const s8
queue_tc_mapping[][2] = {
/* {event queue no, TC no} */
@@ -511,7 +502,6 @@
.n_slot = 128,
.n_tc = 2,
.n_cc = 1,
- .noevent = dma_chan_dm644x_no_event,
.queue_tc_mapping = queue_tc_mapping,
.queue_priority_mapping = queue_priority_mapping,
},
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 829a44b..893baf4 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -42,7 +42,6 @@
/*
* Device specific clocks
*/
-#define DM646X_REF_FREQ 27000000
#define DM646X_AUX_FREQ 24000000
static struct pll_data pll1_data = {
@@ -57,7 +56,6 @@
static struct clk ref_clk = {
.name = "ref_clk",
- .rate = DM646X_REF_FREQ,
};
static struct clk aux_clkin = {
@@ -313,7 +311,7 @@
.flags = ALWAYS_ENABLED,
};
-struct davinci_clk dm646x_clks[] = {
+struct clk_lookup dm646x_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "aux", &aux_clkin),
CLK(NULL, "pll1", &pll1_clk),
@@ -513,14 +511,6 @@
/*----------------------------------------------------------------------*/
-static const s8 dma_chan_dm646x_no_event[] = {
- 0, 1, 2, 3, 13,
- 14, 15, 24, 25, 26,
- 27, 30, 31, 54, 55,
- 56,
- -1
-};
-
/* Four Transfer Controllers on DM646x */
static const s8
dm646x_queue_tc_mapping[][2] = {
@@ -549,7 +539,6 @@
.n_slot = 512,
.n_tc = 4,
.n_cc = 1,
- .noevent = dma_chan_dm646x_no_event,
.queue_tc_mapping = dm646x_queue_tc_mapping,
.queue_priority_mapping = dm646x_queue_priority_mapping,
},
@@ -925,6 +914,7 @@
void __init dm646x_init(void)
{
+ dm646x_board_setup_refclk(&ref_clk);
davinci_common_init(&davinci_soc_info_dm646x);
}
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 648fbb7..15dd886 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -226,11 +226,11 @@
*/
DECLARE_BITMAP(edma_inuse, EDMA_MAX_PARAMENTRY);
- /* The edma_noevent bit for each channel is clear unless
- * it doesn't trigger DMA events on this platform. It uses a
- * bit of SOC-specific initialization code.
+ /* The edma_unused bit for each channel is clear unless
+ * it is not being used on this platform. It uses a bit
+ * of SOC-specific initialization code.
*/
- DECLARE_BITMAP(edma_noevent, EDMA_MAX_DMACH);
+ DECLARE_BITMAP(edma_unused, EDMA_MAX_DMACH);
unsigned irq_res_start;
unsigned irq_res_end;
@@ -243,6 +243,7 @@
};
static struct edma *edma_info[EDMA_MAX_CC];
+static int arch_num_cc;
/* dummy param set used to (re)initialize parameter RAM slots */
static const struct edmacc_param dummy_paramset = {
@@ -555,8 +556,27 @@
return EDMA_CTLR_CHAN(ctlr, i - num_slots + 1);
}
+static int prepare_unused_channel_list(struct device *dev, void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int i, ctlr;
+
+ for (i = 0; i < pdev->num_resources; i++) {
+ if ((pdev->resource[i].flags & IORESOURCE_DMA) &&
+ (int)pdev->resource[i].start >= 0) {
+ ctlr = EDMA_CTLR(pdev->resource[i].start);
+ clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start),
+ edma_info[ctlr]->edma_unused);
+ }
+ }
+
+ return 0;
+}
+
/*-----------------------------------------------------------------------*/
+static bool unused_chan_list_done;
+
/* Resource alloc/free: dma channels, parameter RAM slots */
/**
@@ -594,7 +614,22 @@
void *data,
enum dma_event_q eventq_no)
{
- unsigned i, done, ctlr = 0;
+ unsigned i, done = 0, ctlr = 0;
+ int ret = 0;
+
+ if (!unused_chan_list_done) {
+ /*
+ * Scan all the platform devices to find out the EDMA channels
+ * used and clear them in the unused list, making the rest
+ * available for ARM usage.
+ */
+ ret = bus_for_each_dev(&platform_bus_type, NULL, NULL,
+ prepare_unused_channel_list);
+ if (ret < 0)
+ return ret;
+
+ unused_chan_list_done = true;
+ }
if (channel >= 0) {
ctlr = EDMA_CTLR(channel);
@@ -602,15 +637,15 @@
}
if (channel < 0) {
- for (i = 0; i < EDMA_MAX_CC; i++) {
+ for (i = 0; i < arch_num_cc; i++) {
channel = 0;
for (;;) {
channel = find_next_bit(edma_info[i]->
- edma_noevent,
+ edma_unused,
edma_info[i]->num_channels,
channel);
if (channel == edma_info[i]->num_channels)
- return -ENOMEM;
+ break;
if (!test_and_set_bit(channel,
edma_info[i]->edma_inuse)) {
done = 1;
@@ -622,6 +657,8 @@
if (done)
break;
}
+ if (!done)
+ return -ENOMEM;
} else if (channel >= edma_info[ctlr]->num_channels) {
return -EINVAL;
} else if (test_and_set_bit(channel, edma_info[ctlr]->edma_inuse)) {
@@ -642,7 +679,7 @@
map_dmach_queue(ctlr, channel, eventq_no);
- return channel;
+ return EDMA_CTLR_CHAN(ctlr, channel);
}
EXPORT_SYMBOL(edma_alloc_channel);
@@ -1219,7 +1256,7 @@
unsigned int mask = (1 << (channel & 0x1f));
/* EDMA channels without event association */
- if (test_bit(channel, edma_info[ctlr]->edma_noevent)) {
+ if (test_bit(channel, edma_info[ctlr]->edma_unused)) {
pr_debug("EDMA: ESR%d %08x\n", j,
edma_shadow0_read_array(ctlr, SH_ESR, j));
edma_shadow0_write_array(ctlr, SH_ESR, j, mask);
@@ -1344,7 +1381,6 @@
const s8 (*queue_tc_mapping)[2];
int i, j, found = 0;
int status = -1;
- const s8 *noevent;
int irq[EDMA_MAX_CC] = {0, 0};
int err_irq[EDMA_MAX_CC] = {0, 0};
struct resource *r[EDMA_MAX_CC] = {NULL};
@@ -1407,11 +1443,9 @@
memcpy_toio(edmacc_regs_base[j] + PARM_OFFSET(i),
&dummy_paramset, PARM_SIZE);
- noevent = info[j].noevent;
- if (noevent) {
- while (*noevent != -1)
- set_bit(*noevent++, edma_info[j]->edma_noevent);
- }
+ /* Mark all channels as unused */
+ memset(edma_info[j]->edma_unused, 0xff,
+ sizeof(edma_info[j]->edma_unused));
sprintf(irq_name, "edma%d", j);
irq[j] = platform_get_irq_byname(pdev, irq_name);
@@ -1467,6 +1501,7 @@
edma_write_array2(j, EDMA_DRAE, i, 1, 0x0);
edma_write_array(j, EDMA_QRAE, i, 0x0);
}
+ arch_num_cc++;
}
if (tc_errs_handled) {
diff --git a/arch/arm/mach-davinci/include/mach/cdce949.h b/arch/arm/mach-davinci/include/mach/cdce949.h
new file mode 100644
index 0000000..c73331f
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/cdce949.h
@@ -0,0 +1,19 @@
+/*
+ * TI CDCE949 off-chip clock synthesizer support
+ *
+ * 2009 (C) Texas Instruments, Inc. http://www.ti.com/
+ *
+ * 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.
+ */
+#ifndef _MACH_DAVINCI_CDCE949_H
+#define _MACH_DAVINCI_CDCE949_H
+
+#include <linux/clk.h>
+
+#include <mach/clock.h>
+
+int cdce_set_rate(struct clk *clk, unsigned long rate);
+
+#endif
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index 6ca2c9a..50a955f 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -43,7 +43,7 @@
void __iomem *jtag_id_base;
struct davinci_id *ids;
unsigned long ids_num;
- struct davinci_clk *cpu_clks;
+ struct clk_lookup *cpu_clks;
void __iomem **psc_bases;
unsigned long psc_bases_num;
void __iomem *pinmux_base;
diff --git a/arch/arm/mach-davinci/include/mach/cpuidle.h b/arch/arm/mach-davinci/include/mach/cpuidle.h
index cbfc6a9..74f088b 100644
--- a/arch/arm/mach-davinci/include/mach/cpuidle.h
+++ b/arch/arm/mach-davinci/include/mach/cpuidle.h
@@ -12,6 +12,7 @@
struct davinci_cpuidle_config {
u32 ddr2_pdown;
+ void __iomem *ddr2_ctlr_base;
};
#endif
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 9070491..cc9be7f 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -13,15 +13,17 @@
#include <video/da8xx-fb.h>
+#include <linux/davinci_emac.h>
#include <mach/serial.h>
#include <mach/edma.h>
#include <mach/i2c.h>
-#include <mach/emac.h>
#include <mach/asp.h>
#include <mach/mmc.h>
#include <mach/usb.h>
+#include <mach/pm.h>
-extern void __iomem *da8xx_syscfg_base;
+extern void __iomem *da8xx_syscfg0_base;
+extern void __iomem *da8xx_syscfg1_base;
/*
* The cp_intc interrupt controller for the da8xx isn't in the same
@@ -34,13 +36,17 @@
#define DA8XX_CP_INTC_SIZE SZ_8K
#define DA8XX_CP_INTC_VIRT (IO_VIRT - DA8XX_CP_INTC_SIZE - SZ_4K)
-#define DA8XX_SYSCFG_BASE (IO_PHYS + 0x14000)
-#define DA8XX_SYSCFG_VIRT(x) (da8xx_syscfg_base + (x))
+#define DA8XX_SYSCFG0_BASE (IO_PHYS + 0x14000)
+#define DA8XX_SYSCFG0_VIRT(x) (da8xx_syscfg0_base + (x))
#define DA8XX_JTAG_ID_REG 0x18
#define DA8XX_CFGCHIP0_REG 0x17c
#define DA8XX_CFGCHIP2_REG 0x184
#define DA8XX_CFGCHIP3_REG 0x188
+#define DA8XX_SYSCFG1_BASE (IO_PHYS + 0x22C000)
+#define DA8XX_SYSCFG1_VIRT(x) (da8xx_syscfg1_base + (x))
+#define DA8XX_DEEPSLEEP_REG 0x8
+
#define DA8XX_PSC0_BASE 0x01c10000
#define DA8XX_PLL0_BASE 0x01c11000
#define DA8XX_TIMER64P0_BASE 0x01c20000
@@ -48,11 +54,13 @@
#define DA8XX_GPIO_BASE 0x01e26000
#define DA8XX_PSC1_BASE 0x01e27000
#define DA8XX_LCD_CNTRL_BASE 0x01e13000
+#define DA8XX_PLL1_BASE 0x01e1a000
#define DA8XX_MMCSD0_BASE 0x01c40000
#define DA8XX_AEMIF_CS2_BASE 0x60000000
#define DA8XX_AEMIF_CS3_BASE 0x62000000
#define DA8XX_AEMIF_CTL_BASE 0x68000000
#define DA8XX_DDR2_CTL_BASE 0xb0000000
+#define DA8XX_ARM_RAM_BASE 0xffff0000
#define PINMUX0 0x00
#define PINMUX1 0x04
@@ -90,6 +98,8 @@
int da8xx_register_rtc(void);
int da850_register_cpufreq(void);
int da8xx_register_cpuidle(void);
+void __iomem * __init da8xx_get_mem_ctlr(void);
+int da850_register_pm(struct platform_device *pdev);
extern struct platform_device da8xx_serial_device;
extern struct emac_platform_data da8xx_emac_pdata;
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index 9fc5a64..3a37b5a 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -14,8 +14,8 @@
#define __ASM_ARCH_DM665_H
#include <linux/platform_device.h>
+#include <linux/davinci_emac.h>
#include <mach/hardware.h>
-#include <mach/emac.h>
#include <mach/asp.h>
#include <mach/keyscan.h>
#include <media/davinci/vpfe_capture.h>
@@ -32,10 +32,17 @@
#define DM365_RTC_BASE (0x01C69000)
+#define DAVINCI_DM365_VC_BASE (0x01D0C000)
+#define DAVINCI_DMA_VC_TX 2
+#define DAVINCI_DMA_VC_RX 3
+
void __init dm365_init(void);
void __init dm365_init_asp(struct snd_platform_data *pdata);
+void __init dm365_init_vc(struct snd_platform_data *pdata);
void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
void __init dm365_init_rtc(void);
+void dm365_init_spi0(unsigned chipselect_mask,
+ struct spi_board_info *info, unsigned len);
void dm365_set_vpfe_config(struct vpfe_config *cfg);
#endif /* __ASM_ARCH_DM365_H */
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
index 44e8f0f..1a8b09c 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -22,8 +22,8 @@
#ifndef __ASM_ARCH_DM644X_H
#define __ASM_ARCH_DM644X_H
+#include <linux/davinci_emac.h>
#include <mach/hardware.h>
-#include <mach/emac.h>
#include <mach/asp.h>
#include <media/davinci/vpfe_capture.h>
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
index 8cec746..846da98 100644
--- a/arch/arm/mach-davinci/include/mach/dm646x.h
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -12,10 +12,11 @@
#define __ASM_ARCH_DM646X_H
#include <mach/hardware.h>
-#include <mach/emac.h>
#include <mach/asp.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
+#include <linux/clk.h>
+#include <linux/davinci_emac.h>
#define DM646X_EMAC_BASE (0x01C80000)
#define DM646X_EMAC_CNTRL_OFFSET (0x0000)
@@ -30,6 +31,7 @@
void __init dm646x_init_ide(void);
void __init dm646x_init_mcasp0(struct snd_platform_data *pdata);
void __init dm646x_init_mcasp1(struct snd_platform_data *pdata);
+void __init dm646x_board_setup_refclk(struct clk *clk);
void dm646x_video_init(void);
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index eb8bfd7..ced3092 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -280,8 +280,6 @@
unsigned n_cc;
enum dma_event_q default_queue;
- /* list of channels with no even trigger; terminated by "-1" */
- const s8 *noevent;
const s8 (*queue_tc_mapping)[2];
const s8 (*queue_priority_mapping)[2];
};
diff --git a/arch/arm/mach-davinci/include/mach/i2c.h b/arch/arm/mach-davinci/include/mach/i2c.h
index c248e9b..39fdcea 100644
--- a/arch/arm/mach-davinci/include/mach/i2c.h
+++ b/arch/arm/mach-davinci/include/mach/i2c.h
@@ -16,6 +16,8 @@
struct davinci_i2c_platform_data {
unsigned int bus_freq; /* standard bus frequency (kHz) */
unsigned int bus_delay; /* post-transaction delay (usec) */
+ unsigned int sda_pin; /* GPIO pin ID to use for SDA */
+ unsigned int scl_pin; /* GPIO pin ID to use for SCL */
};
/* for board setup code */
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 80309ae..a91edfb 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -31,6 +31,11 @@
#define PHYS_OFFSET DAVINCI_DDR_BASE
#endif
+#define DDR2_SDRCR_OFFSET 0xc
+#define DDR2_SRPD_BIT BIT(23)
+#define DDR2_MCLKSTOPEN_BIT BIT(30)
+#define DDR2_LPMODEN_BIT BIT(31)
+
/*
* Increase size of DMA-consistent memory region
*/
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index b60c693..2a68c1d 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -327,6 +327,8 @@
/* EDMA event muxing */
DM365_EVT2_ASP_TX,
DM365_EVT3_ASP_RX,
+ DM365_EVT2_VC_TX,
+ DM365_EVT3_VC_RX,
DM365_EVT26_MMC0_RX,
};
@@ -899,6 +901,7 @@
DA850_GPIO2_15,
DA850_GPIO4_0,
DA850_GPIO4_1,
+ DA850_RTC_ALARM,
};
#ifdef CONFIG_DAVINCI_MUX
diff --git a/arch/arm/mach-davinci/include/mach/pm.h b/arch/arm/mach-davinci/include/mach/pm.h
new file mode 100644
index 0000000..37b19bf
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/pm.h
@@ -0,0 +1,54 @@
+/*
+ * TI DaVinci platform support for power management.
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc. http://www.ti.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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef _MACH_DAVINCI_PM_H
+#define _MACH_DAVINCI_PM_H
+
+/*
+ * Caution: Assembly code in sleep.S makes assumtion on the order
+ * of the members of this structure.
+ */
+struct davinci_pm_config {
+ void __iomem *ddr2_ctlr_base;
+ void __iomem *ddrpsc_reg_base;
+ int ddrpsc_num;
+ void __iomem *ddrpll_reg_base;
+ void __iomem *deepsleep_reg;
+ void __iomem *cpupll_reg_base;
+ /*
+ * Note on SLEEPCOUNT:
+ * The SLEEPCOUNT feature is mainly intended for cases in which
+ * the internal oscillator is used. The internal oscillator is
+ * fully disabled in deep sleep mode. When you exist deep sleep
+ * mode, the oscillator will be turned on and will generate very
+ * small oscillations which will not be detected by the deep sleep
+ * counter. Eventually those oscillations will grow to an amplitude
+ * large enough to start incrementing the deep sleep counter.
+ * In this case recommendation from hardware engineers is that the
+ * SLEEPCOUNT be set to 4096. This means that 4096 valid clock cycles
+ * must be detected before the clock is passed to the rest of the
+ * system.
+ * In the case that the internal oscillator is not used and the
+ * clock is generated externally, the SLEEPCOUNT value can be very
+ * small since the clock input is assumed to be stable before SoC
+ * is taken out of deepsleep mode. A value of 128 would be more than
+ * adequate.
+ */
+ int sleepcount;
+};
+
+extern unsigned int davinci_cpu_suspend_sz;
+extern void davinci_cpu_suspend(struct davinci_pm_config *);
+
+#endif
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 171173c..651f6d8 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -180,8 +180,23 @@
#define DA8XX_LPSC1_CR_P3_SS 26
#define DA8XX_LPSC1_L3_CBA_RAM 31
+/* PSC register offsets */
+#define EPCPR 0x070
+#define PTCMD 0x120
+#define PTSTAT 0x128
+#define PDSTAT 0x200
+#define PDCTL1 0x304
+#define MDSTAT 0x800
+#define MDCTL 0xA00
+
+#define MDSTAT_STATE_MASK 0x1f
+
+#ifndef __ASSEMBLER__
+
extern int davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id);
extern void davinci_psc_config(unsigned int domain, unsigned int ctlr,
unsigned int id, char enable);
+#endif
+
#endif /* __ASM_ARCH_PSC_H */
diff --git a/arch/arm/mach-davinci/include/mach/spi.h b/arch/arm/mach-davinci/include/mach/spi.h
new file mode 100644
index 0000000..910efbf
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/spi.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2009 Texas Instruments.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ARCH_ARM_DAVINCI_SPI_H
+#define __ARCH_ARM_DAVINCI_SPI_H
+
+enum {
+ SPI_VERSION_1, /* For DM355/DM365/DM6467 */
+ SPI_VERSION_2, /* For DA8xx */
+};
+
+struct davinci_spi_platform_data {
+ u8 version;
+ u8 num_chipselect;
+ u8 wdelay;
+ u8 odd_parity;
+ u8 parity_enable;
+ u8 wait_enable;
+ u8 timer_disable;
+ u8 clk_internal;
+ u8 cs_hold;
+ u8 intr_level;
+ u8 poll_mode;
+ u8 use_dma;
+ u8 c2tdelay;
+ u8 t2cdelay;
+};
+
+#endif /* __ARCH_ARM_DAVINCI_SPI_H */
diff --git a/arch/arm/mach-davinci/include/mach/timex.h b/arch/arm/mach-davinci/include/mach/timex.h
index 5282756..9b88529 100644
--- a/arch/arm/mach-davinci/include/mach/timex.h
+++ b/arch/arm/mach-davinci/include/mach/timex.h
@@ -11,7 +11,12 @@
#ifndef __ASM_ARCH_TIMEX_H
#define __ASM_ARCH_TIMEX_H
-/* The source frequency for the timers is the 27MHz clock */
+/*
+ * Alert: Not all timers of the DaVinci family run at a frequency of 27MHz,
+ * but we should be fine as long as CLOCK_TICK_RATE or LATCH (see include/
+ * linux/jiffies.h) are not used directly in code. Currently none of the
+ * code relevant to DaVinci platform depends on these values directly.
+ */
#define CLOCK_TICK_RATE 27000000
#endif /* __ASM_ARCH_TIMEX_H__ */
diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
new file mode 100644
index 0000000..fab953b
--- /dev/null
+++ b/arch/arm/mach-davinci/pm.c
@@ -0,0 +1,158 @@
+/*
+ * DaVinci Power Management Routines
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc. http://www.ti.com/
+ *
+ * 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.
+ */
+
+#include <linux/pm.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+
+#include <asm/cacheflush.h>
+#include <asm/delay.h>
+
+#include <mach/da8xx.h>
+#include <mach/sram.h>
+#include <mach/pm.h>
+
+#include "clock.h"
+
+#define DEEPSLEEP_SLEEPCOUNT_MASK 0xFFFF
+
+static void (*davinci_sram_suspend) (struct davinci_pm_config *);
+static struct davinci_pm_config *pdata;
+
+static void davinci_sram_push(void *dest, void *src, unsigned int size)
+{
+ memcpy(dest, src, size);
+ flush_icache_range((unsigned long)dest, (unsigned long)(dest + size));
+}
+
+static void davinci_pm_suspend(void)
+{
+ unsigned val;
+
+ if (pdata->cpupll_reg_base != pdata->ddrpll_reg_base) {
+
+ /* Switch CPU PLL to bypass mode */
+ val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+ val &= ~(PLLCTL_PLLENSRC | PLLCTL_PLLEN);
+ __raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+ udelay(PLL_BYPASS_TIME);
+
+ /* Powerdown CPU PLL */
+ val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+ val |= PLLCTL_PLLPWRDN;
+ __raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+ }
+
+ /* Configure sleep count in deep sleep register */
+ val = __raw_readl(pdata->deepsleep_reg);
+ val &= ~DEEPSLEEP_SLEEPCOUNT_MASK,
+ val |= pdata->sleepcount;
+ __raw_writel(val, pdata->deepsleep_reg);
+
+ /* System goes to sleep in this call */
+ davinci_sram_suspend(pdata);
+
+ if (pdata->cpupll_reg_base != pdata->ddrpll_reg_base) {
+
+ /* put CPU PLL in reset */
+ val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+ val &= ~PLLCTL_PLLRST;
+ __raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+ /* put CPU PLL in power down */
+ val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+ val &= ~PLLCTL_PLLPWRDN;
+ __raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+ /* wait for CPU PLL reset */
+ udelay(PLL_RESET_TIME);
+
+ /* bring CPU PLL out of reset */
+ val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+ val |= PLLCTL_PLLRST;
+ __raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+ /* Wait for CPU PLL to lock */
+ udelay(PLL_LOCK_TIME);
+
+ /* Remove CPU PLL from bypass mode */
+ val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+ val &= ~PLLCTL_PLLENSRC;
+ val |= PLLCTL_PLLEN;
+ __raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+ }
+}
+
+static int davinci_pm_enter(suspend_state_t state)
+{
+ int ret = 0;
+
+ switch (state) {
+ case PM_SUSPEND_STANDBY:
+ case PM_SUSPEND_MEM:
+ davinci_pm_suspend();
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static struct platform_suspend_ops davinci_pm_ops = {
+ .enter = davinci_pm_enter,
+ .valid = suspend_valid_only_mem,
+};
+
+static int __init davinci_pm_probe(struct platform_device *pdev)
+{
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "cannot get platform data\n");
+ return -ENOENT;
+ }
+
+ davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL);
+ if (!davinci_sram_suspend) {
+ dev_err(&pdev->dev, "cannot allocate SRAM memory\n");
+ return -ENOMEM;
+ }
+
+ davinci_sram_push(davinci_sram_suspend, davinci_cpu_suspend,
+ davinci_cpu_suspend_sz);
+
+ suspend_set_ops(&davinci_pm_ops);
+
+ return 0;
+}
+
+static int __exit davinci_pm_remove(struct platform_device *pdev)
+{
+ sram_free(davinci_sram_suspend, davinci_cpu_suspend_sz);
+ return 0;
+}
+
+static struct platform_driver davinci_pm_driver = {
+ .driver = {
+ .name = "pm-davinci",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(davinci_pm_remove),
+};
+
+static int __init davinci_pm_init(void)
+{
+ return platform_driver_probe(&davinci_pm_driver, davinci_pm_probe);
+}
+late_initcall(davinci_pm_init);
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index 04a3cb7..adf6b5c 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -25,17 +25,6 @@
#include <mach/cputype.h>
#include <mach/psc.h>
-/* PSC register offsets */
-#define EPCPR 0x070
-#define PTCMD 0x120
-#define PTSTAT 0x128
-#define PDSTAT 0x200
-#define PDCTL1 0x304
-#define MDSTAT 0x800
-#define MDCTL 0xA00
-
-#define MDSTAT_STATE_MASK 0x1f
-
/* Return nonzero iff the domain's clock is active */
int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
{
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
new file mode 100644
index 0000000..fb5e72b
--- /dev/null
+++ b/arch/arm/mach-davinci/sleep.S
@@ -0,0 +1,224 @@
+/*
+ * (C) Copyright 2009, Texas Instruments, Inc. http://www.ti.com/
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* replicated define because linux/bitops.h cannot be included in assembly */
+#define BIT(nr) (1 << (nr))
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <mach/psc.h>
+#include <mach/memory.h>
+
+#include "clock.h"
+
+/* Arbitrary, hardware currently does not update PHYRDY correctly */
+#define PHYRDY_CYCLES 0x1000
+
+/* Assume 25 MHz speed for the cycle conversions since PLLs are bypassed */
+#define PLL_BYPASS_CYCLES (PLL_BYPASS_TIME * 25)
+#define PLL_RESET_CYCLES (PLL_RESET_TIME * 25)
+#define PLL_LOCK_CYCLES (PLL_LOCK_TIME * 25)
+
+#define DEEPSLEEP_SLEEPENABLE_BIT BIT(31)
+
+ .text
+/*
+ * Move DaVinci into deep sleep state
+ *
+ * Note: This code is copied to internal SRAM by PM code. When the DaVinci
+ * wakes up it continues execution at the point it went to sleep.
+ * Register Usage:
+ * r0: contains virtual base for DDR2 controller
+ * r1: contains virtual base for DDR2 Power and Sleep controller (PSC)
+ * r2: contains PSC number for DDR2
+ * r3: contains virtual base DDR2 PLL controller
+ * r4: contains virtual address of the DEEPSLEEP register
+ */
+ENTRY(davinci_cpu_suspend)
+ stmfd sp!, {r0-r12, lr} @ save registers on stack
+
+ ldr ip, CACHE_FLUSH
+ blx ip
+
+ ldmia r0, {r0-r4}
+
+ /*
+ * Switch DDR to self-refresh mode.
+ */
+
+ /* calculate SDRCR address */
+ ldr ip, [r0, #DDR2_SDRCR_OFFSET]
+ bic ip, ip, #DDR2_SRPD_BIT
+ orr ip, ip, #DDR2_LPMODEN_BIT
+ str ip, [r0, #DDR2_SDRCR_OFFSET]
+
+ ldr ip, [r0, #DDR2_SDRCR_OFFSET]
+ orr ip, ip, #DDR2_MCLKSTOPEN_BIT
+ str ip, [r0, #DDR2_SDRCR_OFFSET]
+
+ mov ip, #PHYRDY_CYCLES
+1: subs ip, ip, #0x1
+ bne 1b
+
+ /* Disable DDR2 LPSC */
+ mov r7, r0
+ mov r0, #0x2
+ bl davinci_ddr_psc_config
+ mov r0, r7
+
+ /* Disable clock to DDR PHY */
+ ldr ip, [r3, #PLLDIV1]
+ bic ip, ip, #PLLDIV_EN
+ str ip, [r3, #PLLDIV1]
+
+ /* Put the DDR PLL in bypass and power down */
+ ldr ip, [r3, #PLLCTL]
+ bic ip, ip, #PLLCTL_PLLENSRC
+ bic ip, ip, #PLLCTL_PLLEN
+ str ip, [r3, #PLLCTL]
+
+ /* Wait for PLL to switch to bypass */
+ mov ip, #PLL_BYPASS_CYCLES
+2: subs ip, ip, #0x1
+ bne 2b
+
+ /* Power down the PLL */
+ ldr ip, [r3, #PLLCTL]
+ orr ip, ip, #PLLCTL_PLLPWRDN
+ str ip, [r3, #PLLCTL]
+
+ /* Go to deep sleep */
+ ldr ip, [r4]
+ orr ip, ip, #DEEPSLEEP_SLEEPENABLE_BIT
+ /* System goes to sleep beyond after this instruction */
+ str ip, [r4]
+
+ /* Wake up from sleep */
+
+ /* Clear sleep enable */
+ ldr ip, [r4]
+ bic ip, ip, #DEEPSLEEP_SLEEPENABLE_BIT
+ str ip, [r4]
+
+ /* initialize the DDR PLL controller */
+
+ /* Put PLL in reset */
+ ldr ip, [r3, #PLLCTL]
+ bic ip, ip, #PLLCTL_PLLRST
+ str ip, [r3, #PLLCTL]
+
+ /* Clear PLL power down */
+ ldr ip, [r3, #PLLCTL]
+ bic ip, ip, #PLLCTL_PLLPWRDN
+ str ip, [r3, #PLLCTL]
+
+ mov ip, #PLL_RESET_CYCLES
+3: subs ip, ip, #0x1
+ bne 3b
+
+ /* Bring PLL out of reset */
+ ldr ip, [r3, #PLLCTL]
+ orr ip, ip, #PLLCTL_PLLRST
+ str ip, [r3, #PLLCTL]
+
+ /* Wait for PLL to lock (assume prediv = 1, 25MHz OSCIN) */
+ mov ip, #PLL_LOCK_CYCLES
+4: subs ip, ip, #0x1
+ bne 4b
+
+ /* Remove PLL from bypass mode */
+ ldr ip, [r3, #PLLCTL]
+ bic ip, ip, #PLLCTL_PLLENSRC
+ orr ip, ip, #PLLCTL_PLLEN
+ str ip, [r3, #PLLCTL]
+
+ /* Start 2x clock to DDR2 */
+
+ ldr ip, [r3, #PLLDIV1]
+ orr ip, ip, #PLLDIV_EN
+ str ip, [r3, #PLLDIV1]
+
+ /* Enable VCLK */
+
+ /* Enable DDR2 LPSC */
+ mov r7, r0
+ mov r0, #0x3
+ bl davinci_ddr_psc_config
+ mov r0, r7
+
+ /* clear MCLKSTOPEN */
+
+ ldr ip, [r0, #DDR2_SDRCR_OFFSET]
+ bic ip, ip, #DDR2_MCLKSTOPEN_BIT
+ str ip, [r0, #DDR2_SDRCR_OFFSET]
+
+ ldr ip, [r0, #DDR2_SDRCR_OFFSET]
+ bic ip, ip, #DDR2_LPMODEN_BIT
+ str ip, [r0, #DDR2_SDRCR_OFFSET]
+
+ /* Restore registers and return */
+ ldmfd sp!, {r0-r12, pc}
+
+ENDPROC(davinci_cpu_suspend)
+
+/*
+ * Disables or Enables DDR2 LPSC
+ * Register Usage:
+ * r0: Enable or Disable LPSC r0 = 0x3 => Enable, r0 = 0x2 => Disable LPSC
+ * r1: contains virtual base for DDR2 Power and Sleep controller (PSC)
+ * r2: contains PSC number for DDR2
+ */
+ENTRY(davinci_ddr_psc_config)
+ /* Set next state in mdctl for DDR2 */
+ mov r6, #MDCTL
+ add r6, r6, r2, lsl #2
+ ldr ip, [r1, r6]
+ bic ip, ip, #MDSTAT_STATE_MASK
+ orr ip, ip, r0
+ str ip, [r1, r6]
+
+ /* Enable the Power Domain Transition Command */
+ ldr ip, [r1, #PTCMD]
+ orr ip, ip, #0x1
+ str ip, [r1, #PTCMD]
+
+ /* Check for Transition Complete (PTSTAT) */
+ptstat_done:
+ ldr ip, [r1, #PTSTAT]
+ and ip, ip, #0x1
+ cmp ip, #0x0
+ bne ptstat_done
+
+ /* Check for DDR2 clock disable completion; */
+ mov r6, #MDSTAT
+ add r6, r6, r2, lsl #2
+ddr2clk_stop_done:
+ ldr ip, [r1, r6]
+ and ip, ip, #MDSTAT_STATE_MASK
+ cmp ip, r0
+ bne ddr2clk_stop_done
+
+ mov pc, lr
+ENDPROC(davinci_ddr_psc_config)
+
+CACHE_FLUSH:
+ .word arm926_flush_kern_cache_all
+
+ENTRY(davinci_cpu_suspend_sz)
+ .word . - davinci_cpu_suspend
+ENDPROC(davinci_cpu_suspend_sz)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index dd9a09c..1830062 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -920,7 +920,7 @@
config TI_DAVINCI_EMAC
tristate "TI DaVinci EMAC Support"
- depends on ARM && ARCH_DAVINCI
+ depends on ARM && ( ARCH_DAVINCI || ARCH_OMAP3 )
select PHYLIB
help
This driver supports TI's DaVinci Ethernet .
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 33c4fe2..1605bc2 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -62,12 +62,11 @@
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/uaccess.h>
+#include <linux/davinci_emac.h>
#include <asm/irq.h>
#include <asm/page.h>
-#include <mach/emac.h>
-
static int debug_level;
module_param(debug_level, int, 0);
MODULE_PARM_DESC(debug_level, "DaVinci EMAC debug level (NETIF_MSG bits)");
@@ -465,6 +464,7 @@
void __iomem *ctrl_base;
void __iomem *emac_ctrl_ram;
u32 ctrl_ram_size;
+ u32 hw_ram_addr;
struct emac_txch *txch[EMAC_DEF_MAX_TX_CH];
struct emac_rxch *rxch[EMAC_DEF_MAX_RX_CH];
u32 link; /* 1=link on, 0=link off */
@@ -488,6 +488,9 @@
struct mii_bus *mii_bus;
struct phy_device *phydev;
spinlock_t lock;
+ /*platform specific members*/
+ void (*int_enable) (void);
+ void (*int_disable) (void);
};
/* clock frequency for EMAC */
@@ -495,11 +498,9 @@
static unsigned long emac_bus_frequency;
static unsigned long mdio_max_freq;
-/* EMAC internal utility function */
-static inline u32 emac_virt_to_phys(void __iomem *addr)
-{
- return (u32 __force) io_v2p(addr);
-}
+#define emac_virt_to_phys(addr, priv) \
+ (((u32 __force)(addr) - (u32 __force)(priv->emac_ctrl_ram)) \
+ + priv->hw_ram_addr)
/* Cache macros - Packet buffers would be from skb pool which is cached */
#define EMAC_VIRT_NOCACHE(addr) (addr)
@@ -1002,6 +1003,8 @@
emac_ctrl_write(EMAC_DM646X_CMRXINTEN, 0x0);
emac_ctrl_write(EMAC_DM646X_CMTXINTEN, 0x0);
/* NOTE: Rx Threshold and Misc interrupts are not disabled */
+ if (priv->int_disable)
+ priv->int_disable();
local_irq_restore(flags);
@@ -1021,6 +1024,9 @@
static void emac_int_enable(struct emac_priv *priv)
{
if (priv->version == EMAC_VERSION_2) {
+ if (priv->int_enable)
+ priv->int_enable();
+
emac_ctrl_write(EMAC_DM646X_CMRXINTEN, 0xff);
emac_ctrl_write(EMAC_DM646X_CMTXINTEN, 0xff);
@@ -1302,7 +1308,7 @@
curr_bd = txch->active_queue_head;
if (NULL == curr_bd) {
emac_write(EMAC_TXCP(ch),
- emac_virt_to_phys(txch->last_hw_bdprocessed));
+ emac_virt_to_phys(txch->last_hw_bdprocessed, priv));
txch->no_active_pkts++;
spin_unlock_irqrestore(&priv->tx_lock, flags);
return 0;
@@ -1312,7 +1318,7 @@
while ((curr_bd) &&
((frame_status & EMAC_CPPI_OWNERSHIP_BIT) == 0) &&
(pkts_processed < budget)) {
- emac_write(EMAC_TXCP(ch), emac_virt_to_phys(curr_bd));
+ emac_write(EMAC_TXCP(ch), emac_virt_to_phys(curr_bd, priv));
txch->active_queue_head = curr_bd->next;
if (frame_status & EMAC_CPPI_EOQ_BIT) {
if (curr_bd->next) { /* misqueued packet */
@@ -1399,7 +1405,7 @@
txch->active_queue_tail = curr_bd;
if (1 != txch->queue_active) {
emac_write(EMAC_TXHDP(ch),
- emac_virt_to_phys(curr_bd));
+ emac_virt_to_phys(curr_bd, priv));
txch->queue_active = 1;
}
++txch->queue_reinit;
@@ -1411,10 +1417,11 @@
tail_bd->next = curr_bd;
txch->active_queue_tail = curr_bd;
tail_bd = EMAC_VIRT_NOCACHE(tail_bd);
- tail_bd->h_next = (int)emac_virt_to_phys(curr_bd);
+ tail_bd->h_next = (int)emac_virt_to_phys(curr_bd, priv);
frame_status = tail_bd->mode;
if (frame_status & EMAC_CPPI_EOQ_BIT) {
- emac_write(EMAC_TXHDP(ch), emac_virt_to_phys(curr_bd));
+ emac_write(EMAC_TXHDP(ch),
+ emac_virt_to_phys(curr_bd, priv));
frame_status &= ~(EMAC_CPPI_EOQ_BIT);
tail_bd->mode = frame_status;
++txch->end_of_queue_add;
@@ -1604,7 +1611,8 @@
}
/* populate the hardware descriptor */
- curr_bd->h_next = emac_virt_to_phys(rxch->active_queue_head);
+ curr_bd->h_next = emac_virt_to_phys(rxch->active_queue_head,
+ priv);
/* FIXME buff_ptr = dma_map_single(... data_ptr ...) */
curr_bd->buff_ptr = virt_to_phys(curr_bd->data_ptr);
curr_bd->off_b_len = rxch->buf_size;
@@ -1879,7 +1887,7 @@
rxch->active_queue_tail = curr_bd;
if (0 != rxch->queue_active) {
emac_write(EMAC_RXHDP(ch),
- emac_virt_to_phys(rxch->active_queue_head));
+ emac_virt_to_phys(rxch->active_queue_head, priv));
rxch->queue_active = 1;
}
} else {
@@ -1890,11 +1898,11 @@
rxch->active_queue_tail = curr_bd;
tail_bd->next = curr_bd;
tail_bd = EMAC_VIRT_NOCACHE(tail_bd);
- tail_bd->h_next = emac_virt_to_phys(curr_bd);
+ tail_bd->h_next = emac_virt_to_phys(curr_bd, priv);
frame_status = tail_bd->mode;
if (frame_status & EMAC_CPPI_EOQ_BIT) {
emac_write(EMAC_RXHDP(ch),
- emac_virt_to_phys(curr_bd));
+ emac_virt_to_phys(curr_bd, priv));
frame_status &= ~(EMAC_CPPI_EOQ_BIT);
tail_bd->mode = frame_status;
++rxch->end_of_queue_add;
@@ -1987,7 +1995,7 @@
curr_pkt->num_bufs = 1;
curr_pkt->pkt_length =
(frame_status & EMAC_RX_BD_PKT_LENGTH_MASK);
- emac_write(EMAC_RXCP(ch), emac_virt_to_phys(curr_bd));
+ emac_write(EMAC_RXCP(ch), emac_virt_to_phys(curr_bd, priv));
++rxch->processed_bd;
last_bd = curr_bd;
curr_bd = last_bd->next;
@@ -1998,7 +2006,7 @@
if (curr_bd) {
++rxch->mis_queued_packets;
emac_write(EMAC_RXHDP(ch),
- emac_virt_to_phys(curr_bd));
+ emac_virt_to_phys(curr_bd, priv));
} else {
++rxch->end_of_queue;
rxch->queue_active = 0;
@@ -2099,7 +2107,7 @@
emac_write(EMAC_RXINTMASKSET, BIT(ch));
rxch->queue_active = 1;
emac_write(EMAC_RXHDP(ch),
- emac_virt_to_phys(rxch->active_queue_head));
+ emac_virt_to_phys(rxch->active_queue_head, priv));
}
/* Enable MII */
@@ -2660,6 +2668,9 @@
priv->phy_mask = pdata->phy_mask;
priv->rmii_en = pdata->rmii_en;
priv->version = pdata->version;
+ priv->int_enable = pdata->interrupt_enable;
+ priv->int_disable = pdata->interrupt_disable;
+
emac_dev = &ndev->dev;
/* Get EMAC platform data */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -2692,6 +2703,12 @@
priv->ctrl_ram_size = pdata->ctrl_ram_size;
priv->emac_ctrl_ram = priv->remap_addr + pdata->ctrl_ram_offset;
+ if (pdata->hw_ram_addr)
+ priv->hw_ram_addr = pdata->hw_ram_addr;
+ else
+ priv->hw_ram_addr = (u32 __force)res->start +
+ pdata->ctrl_ram_offset;
+
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(emac_dev, "DaVinci EMAC: Error getting irq res\n");
diff --git a/arch/arm/mach-davinci/include/mach/emac.h b/include/linux/davinci_emac.h
similarity index 83%
rename from arch/arm/mach-davinci/include/mach/emac.h
rename to include/linux/davinci_emac.h
index beff4fb..7c930db 100644
--- a/arch/arm/mach-davinci/include/mach/emac.h
+++ b/include/linux/davinci_emac.h
@@ -8,8 +8,8 @@
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
-#ifndef _MACH_DAVINCI_EMAC_H
-#define _MACH_DAVINCI_EMAC_H
+#ifndef _LINUX_DAVINCI_EMAC_H
+#define _LINUX_DAVINCI_EMAC_H
#include <linux/if_ether.h>
#include <linux/memory.h>
@@ -19,12 +19,15 @@
u32 ctrl_reg_offset;
u32 ctrl_mod_reg_offset;
u32 ctrl_ram_offset;
+ u32 hw_ram_addr;
u32 mdio_reg_offset;
u32 ctrl_ram_size;
u32 phy_mask;
u32 mdio_max_freq;
u8 rmii_en;
u8 version;
+ void (*interrupt_enable) (void);
+ void (*interrupt_disable) (void);
};
enum {