Merge git://git.kernel.org/pub/scm/linux/kernel/git/nico/orion into d…

…evel-stable
git-mirror · Dec 18, 2010 · 9326845 · 9326845
2 parents 2f841ed + 5af244f
commit 9326845
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diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig
@@ -9,6 +9,12 @@ config MACH_DOVE_DB
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell DB-MV88AP510 Development Board.
 
+ config MACH_CM_A510
+	bool "CompuLab CM-A510 Board"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  CompuLab CM-A510 Board.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
@@ -1,3 +1,4 @@
-obj-y				+= common.o addr-map.o irq.o pcie.o
+obj-y				+= common.o addr-map.o irq.o pcie.o mpp.o
 
 obj-$(CONFIG_MACH_DOVE_DB)	+= dove-db-setup.o
+obj-$(CONFIG_MACH_CM_A510)	+= cm-a510.o
diff --git a/arch/arm/mach-dove/cm-a510.c b/arch/arm/mach-dove/cm-a510.c
@@ -0,0 +1,95 @@
+/*
+ * arch/arm/mach-dove/cm-a510.c
+ *
+ * Copyright (C) 2010 CompuLab, Ltd.
+ * Konstantin Sinyuk <kostyas@compulab.co.il>
+ *
+ * Based on Marvell DB-MV88AP510-BP Development Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/dove.h>
+
+#include "common.h"
+
+static struct mv643xx_eth_platform_data cm_a510_ge00_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR_DEFAULT,
+};
+
+static struct mv_sata_platform_data cm_a510_sata_data = {
+	.n_ports        = 1,
+};
+
+/*
+ * SPI Devices:
+ * SPI0: 1M Flash Winbond w25q32bv
+ */
+static const struct flash_platform_data cm_a510_spi_flash_data = {
+	.type		= "w25q32bv",
+};
+
+static struct spi_board_info __initdata cm_a510_spi_flash_info[] = {
+	{
+		.modalias       = "m25p80",
+		.platform_data  = &cm_a510_spi_flash_data,
+		.irq            = -1,
+		.max_speed_hz   = 20000000,
+		.bus_num        = 0,
+		.chip_select    = 0,
+	},
+};
+
+static int __init cm_a510_pci_init(void)
+{
+	if (machine_is_cm_a510())
+		dove_pcie_init(1, 1);
+
+	return 0;
+}
+
+subsys_initcall(cm_a510_pci_init);
+
+/* Board Init */
+static void __init cm_a510_init(void)
+{
+	/*
+	 * Basic Dove setup. Needs to be called early.
+	 */
+	dove_init();
+
+	dove_ge00_init(&cm_a510_ge00_data);
+	dove_ehci0_init();
+	dove_ehci1_init();
+	dove_sata_init(&cm_a510_sata_data);
+	dove_sdio0_init();
+	dove_sdio1_init();
+	dove_spi0_init();
+	dove_spi1_init();
+	dove_uart0_init();
+	dove_uart1_init();
+	dove_i2c_init();
+	spi_register_board_info(cm_a510_spi_flash_info,
+				ARRAY_SIZE(cm_a510_spi_flash_info));
+}
+
+MACHINE_START(CM_A510, "Compulab CM-A510 Board")
+	.boot_params	= 0x00000100,
+	.init_machine	= cm_a510_init,
+	.map_io		= dove_map_io,
+	.init_irq	= dove_init_irq,
+	.timer		= &dove_timer,
+MACHINE_END
diff --git a/arch/arm/mach-dove/include/mach/dove.h b/arch/arm/mach-dove/include/mach/dove.h
@@ -131,14 +131,21 @@
 #define DOVE_RESET_SAMPLE_LO	(DOVE_MPP_VIRT_BASE | 0x014)
 #define DOVE_RESET_SAMPLE_HI	(DOVE_MPP_VIRT_BASE | 0x018)
 #define DOVE_GPIO_VIRT_BASE	(DOVE_SB_REGS_VIRT_BASE | 0xd0400)
+#define DOVE_GPIO2_VIRT_BASE    (DOVE_SB_REGS_VIRT_BASE | 0xe8400)
 #define DOVE_MPP_GENERAL_VIRT_BASE	(DOVE_SB_REGS_VIRT_BASE | 0xe803c)
 #define  DOVE_AU1_SPDIFO_GPIO_EN	(1 << 1)
 #define  DOVE_NAND_GPIO_EN		(1 << 0)
 #define DOVE_MPP_CTRL4_VIRT_BASE	(DOVE_GPIO_VIRT_BASE + 0x40)
-
+#define  DOVE_SPI_GPIO_SEL		(1 << 5)
+#define  DOVE_UART1_GPIO_SEL		(1 << 4)
+#define  DOVE_AU1_GPIO_SEL		(1 << 3)
+#define  DOVE_CAM_GPIO_SEL		(1 << 2)
+#define  DOVE_SD1_GPIO_SEL		(1 << 1)
+#define  DOVE_SD0_GPIO_SEL		(1 << 0)
 
 /* Power Management */
 #define DOVE_PMU_VIRT_BASE	(DOVE_SB_REGS_VIRT_BASE | 0xd0000)
+#define DOVE_PMU_SIG_CTRL	(DOVE_PMU_VIRT_BASE + 0x802c)
 
 /* Real Time Clock */
 #define DOVE_RTC_PHYS_BASE	(DOVE_SB_REGS_PHYS_BASE | 0xd8500)

diff --git a/arch/arm/mach-dove/include/mach/gpio.h b/arch/arm/mach-dove/include/mach/gpio.h
@@ -14,12 +14,14 @@
 #include <plat/gpio.h>
 #include <asm-generic/gpio.h>		/* cansleep wrappers */
 
-#define GPIO_MAX	64
+#define GPIO_MAX	72
 
 #define GPIO_BASE_LO		(DOVE_GPIO_VIRT_BASE + 0x00)
 #define GPIO_BASE_HI		(DOVE_GPIO_VIRT_BASE + 0x20)
 
-#define GPIO_BASE(pin)		((pin < 32) ? GPIO_BASE_LO : GPIO_BASE_HI)
+#define GPIO_BASE(pin)		((pin < 32) ? GPIO_BASE_LO :		\
+				 ((pin < 64) ? GPIO_BASE_HI :		\
+				  DOVE_GPIO2_VIRT_BASE))
 
 #define GPIO_OUT(pin)		(GPIO_BASE(pin) + 0x00)
 #define GPIO_IO_CONF(pin)	(GPIO_BASE(pin) + 0x04)

diff --git a/arch/arm/mach-dove/mpp.c b/arch/arm/mach-dove/mpp.c
@@ -0,0 +1,212 @@
+/*
+ * arch/arm/mach-dove/mpp.c
+ *
+ * MPP functions for Marvell Dove SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+
+#include <mach/dove.h>
+
+#include "mpp.h"
+
+#define MPP_NR_REGS 4
+#define MPP_CTRL(i)	((i) == 3 ?				\
+			 DOVE_MPP_CTRL4_VIRT_BASE :		\
+			 DOVE_MPP_VIRT_BASE + (i) * 4)
+#define PMU_SIG_REGS 2
+#define PMU_SIG_CTRL(i)	(DOVE_PMU_SIG_CTRL + (i) * 4)
+
+struct dove_mpp_grp {
+	int start;
+	int end;
+};
+
+static struct dove_mpp_grp dove_mpp_grp[] = {
+	[MPP_24_39] = {
+		.start	= 24,
+		.end	= 39,
+	},
+	[MPP_40_45] = {
+		.start	= 40,
+		.end	= 45,
+	},
+	[MPP_46_51] = {
+		.start	= 40,
+		.end	= 45,
+	},
+	[MPP_58_61] = {
+		.start	= 58,
+		.end	= 61,
+	},
+	[MPP_62_63] = {
+		.start	= 62,
+		.end	= 63,
+	},
+};
+
+static void dove_mpp_gpio_mode(int start, int end, int gpio_mode)
+{
+	int i;
+
+	for (i = start; i <= end; i++)
+		orion_gpio_set_valid(i, gpio_mode);
+}
+
+static void dove_mpp_dump_regs(void)
+{
+#ifdef DEBUG
+	int i;
+
+	pr_debug("MPP_CTRL regs:");
+	for (i = 0; i < MPP_NR_REGS; i++)
+		printk(" %08x", readl(MPP_CTRL(i)));
+	printk("\n");
+
+	pr_debug("PMU_SIG_CTRL regs:");
+	for (i = 0; i < PMU_SIG_REGS; i++)
+		printk(" %08x", readl(PMU_SIG_CTRL(i)));
+	printk("\n");
+
+	pr_debug("PMU_MPP_GENERAL_CTRL: %08x\n", readl(DOVE_PMU_MPP_GENERAL_CTRL));
+	pr_debug("MPP_GENERAL: %08x\n", readl(DOVE_MPP_GENERAL_VIRT_BASE));
+#endif
+}
+
+static void dove_mpp_cfg_nfc(int sel)
+{
+	u32 mpp_gen_cfg = readl(DOVE_MPP_GENERAL_VIRT_BASE);
+
+	mpp_gen_cfg &= ~0x1;
+	mpp_gen_cfg |= sel;
+	writel(mpp_gen_cfg, DOVE_MPP_GENERAL_VIRT_BASE);
+
+	dove_mpp_gpio_mode(64, 71, GPIO_OUTPUT_OK);
+}
+
+static void dove_mpp_cfg_au1(int sel)
+{
+	u32 mpp_ctrl4		= readl(DOVE_MPP_CTRL4_VIRT_BASE);
+	u32 ssp_ctrl1 = readl(DOVE_SSP_CTRL_STATUS_1);
+	u32 mpp_gen_ctrl = readl(DOVE_MPP_GENERAL_VIRT_BASE);
+	u32 global_cfg_2 = readl(DOVE_GLOBAL_CONFIG_2);
+
+	mpp_ctrl4 &= ~(DOVE_AU1_GPIO_SEL);
+	ssp_ctrl1 &= ~(DOVE_SSP_ON_AU1);
+	mpp_gen_ctrl &= ~(DOVE_AU1_SPDIFO_GPIO_EN);
+	global_cfg_2 &= ~(DOVE_TWSI_OPTION3_GPIO);
+
+	if (!sel || sel == 0x2)
+		dove_mpp_gpio_mode(52, 57, 0);
+	else
+		dove_mpp_gpio_mode(52, 57, GPIO_OUTPUT_OK | GPIO_INPUT_OK);
+
+	if (sel & 0x1) {
+		global_cfg_2 |= DOVE_TWSI_OPTION3_GPIO;
+		dove_mpp_gpio_mode(56, 57, 0);
+	}
+	if (sel & 0x2) {
+		mpp_gen_ctrl |= DOVE_AU1_SPDIFO_GPIO_EN;
+		dove_mpp_gpio_mode(57, 57, GPIO_OUTPUT_OK | GPIO_INPUT_OK);
+	}
+	if (sel & 0x4) {
+		ssp_ctrl1 |= DOVE_SSP_ON_AU1;
+		dove_mpp_gpio_mode(52, 55, 0);
+	}
+	if (sel & 0x8)
+		mpp_ctrl4 |= DOVE_AU1_GPIO_SEL;
+
+	writel(mpp_ctrl4, DOVE_MPP_CTRL4_VIRT_BASE);
+	writel(ssp_ctrl1, DOVE_SSP_CTRL_STATUS_1);
+	writel(mpp_gen_ctrl, DOVE_MPP_GENERAL_VIRT_BASE);
+	writel(global_cfg_2, DOVE_GLOBAL_CONFIG_2);
+}
+
+static void dove_mpp_conf_grp(int num, int sel, u32 *mpp_ctrl)
+{
+	int start = dove_mpp_grp[num].start;
+	int end = dove_mpp_grp[num].end;
+	int gpio_mode = sel ? GPIO_OUTPUT_OK | GPIO_INPUT_OK : 0;
+
+	*mpp_ctrl &= ~(0x1 << num);
+	*mpp_ctrl |= sel << num;
+
+	dove_mpp_gpio_mode(start, end, gpio_mode);
+}
+
+void __init dove_mpp_conf(unsigned int *mpp_list)
+{
+	u32 mpp_ctrl[MPP_NR_REGS];
+	u32 pmu_mpp_ctrl = 0;
+	u32 pmu_sig_ctrl[PMU_SIG_REGS];
+	int i;
+
+	/* Initialize gpiolib. */
+	orion_gpio_init();
+
+	for (i = 0; i < MPP_NR_REGS; i++)
+		mpp_ctrl[i] = readl(MPP_CTRL(i));
+
+	for (i = 0; i < PMU_SIG_REGS; i++)
+		pmu_sig_ctrl[i] = readl(PMU_SIG_CTRL(i));
+
+	pmu_mpp_ctrl = readl(DOVE_PMU_MPP_GENERAL_CTRL);
+
+	dove_mpp_dump_regs();
+
+	for ( ; *mpp_list != MPP_END; mpp_list++) {
+		unsigned int num = MPP_NUM(*mpp_list);
+		unsigned int sel = MPP_SEL(*mpp_list);
+		int shift, gpio_mode;
+
+		if (num > MPP_MAX) {
+			pr_err("dove: invalid MPP number (%u)\n", num);
+			continue;
+		}
+
+		if (*mpp_list & MPP_NFC_MASK) {
+			dove_mpp_cfg_nfc(sel);
+			continue;
+		}
+
+		if (*mpp_list & MPP_AU1_MASK) {
+			dove_mpp_cfg_au1(sel);
+			continue;
+		}
+
+		if (*mpp_list & MPP_GRP_MASK) {
+			dove_mpp_conf_grp(num, sel, &mpp_ctrl[3]);
+			continue;
+		}
+
+		shift = (num & 7) << 2;
+		if (*mpp_list & MPP_PMU_MASK) {
+			pmu_mpp_ctrl |= (0x1 << num);
+			pmu_sig_ctrl[num / 8] &= ~(0xf << shift);
+			pmu_sig_ctrl[num / 8] |= 0xf << shift;
+			gpio_mode = 0;
+		} else {
+			mpp_ctrl[num / 8] &= ~(0xf << shift);
+			mpp_ctrl[num / 8] |= sel << shift;
+			gpio_mode = GPIO_OUTPUT_OK | GPIO_INPUT_OK;
+		}
+
+		orion_gpio_set_valid(num, gpio_mode);
+	}
+
+	for (i = 0; i < MPP_NR_REGS; i++)
+		writel(mpp_ctrl[i], MPP_CTRL(i));
+
+	for (i = 0; i < PMU_SIG_REGS; i++)
+		writel(pmu_sig_ctrl[i], PMU_SIG_CTRL(i));
+
+	writel(pmu_mpp_ctrl, DOVE_PMU_MPP_GENERAL_CTRL);
+
+	dove_mpp_dump_regs();
+}