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-rw-r--r--kernel/arch/arm/mach-mmp/brownstone.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-mmp/brownstone.c b/kernel/arch/arm/mach-mmp/brownstone.c
new file mode 100644
index 000000000..ac25544b8
--- /dev/null
+++ b/kernel/arch/arm/mach-mmp/brownstone.c
@@ -0,0 +1,231 @@
+/*
+ * linux/arch/arm/mach-mmp/brownstone.c
+ *
+ * Support for the Marvell Brownstone Development Platform.
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *
+ * 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
+ * publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/gpio-pxa.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/max8649.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mfd/max8925.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-mmp2.h>
+#include <mach/mmp2.h>
+#include <mach/irqs.h>
+
+#include "common.h"
+
+#define BROWNSTONE_NR_IRQS (MMP_NR_IRQS + 40)
+
+#define GPIO_5V_ENABLE (89)
+
+static unsigned long brownstone_pin_config[] __initdata = {
+ /* UART1 */
+ GPIO29_UART1_RXD,
+ GPIO30_UART1_TXD,
+
+ /* UART3 */
+ GPIO51_UART3_RXD,
+ GPIO52_UART3_TXD,
+
+ /* DFI */
+ GPIO168_DFI_D0,
+ GPIO167_DFI_D1,
+ GPIO166_DFI_D2,
+ GPIO165_DFI_D3,
+ GPIO107_DFI_D4,
+ GPIO106_DFI_D5,
+ GPIO105_DFI_D6,
+ GPIO104_DFI_D7,
+ GPIO111_DFI_D8,
+ GPIO164_DFI_D9,
+ GPIO163_DFI_D10,
+ GPIO162_DFI_D11,
+ GPIO161_DFI_D12,
+ GPIO110_DFI_D13,
+ GPIO109_DFI_D14,
+ GPIO108_DFI_D15,
+ GPIO143_ND_nCS0,
+ GPIO144_ND_nCS1,
+ GPIO147_ND_nWE,
+ GPIO148_ND_nRE,
+ GPIO150_ND_ALE,
+ GPIO149_ND_CLE,
+ GPIO112_ND_RDY0,
+ GPIO160_ND_RDY1,
+
+ /* PMIC */
+ PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
+
+ /* MMC0 */
+ GPIO131_MMC1_DAT3 | MFP_PULL_HIGH,
+ GPIO132_MMC1_DAT2 | MFP_PULL_HIGH,
+ GPIO133_MMC1_DAT1 | MFP_PULL_HIGH,
+ GPIO134_MMC1_DAT0 | MFP_PULL_HIGH,
+ GPIO136_MMC1_CMD | MFP_PULL_HIGH,
+ GPIO139_MMC1_CLK,
+ GPIO140_MMC1_CD | MFP_PULL_LOW,
+ GPIO141_MMC1_WP | MFP_PULL_LOW,
+
+ /* MMC1 */
+ GPIO37_MMC2_DAT3 | MFP_PULL_HIGH,
+ GPIO38_MMC2_DAT2 | MFP_PULL_HIGH,
+ GPIO39_MMC2_DAT1 | MFP_PULL_HIGH,
+ GPIO40_MMC2_DAT0 | MFP_PULL_HIGH,
+ GPIO41_MMC2_CMD | MFP_PULL_HIGH,
+ GPIO42_MMC2_CLK,
+
+ /* MMC2 */
+ GPIO165_MMC3_DAT7 | MFP_PULL_HIGH,
+ GPIO162_MMC3_DAT6 | MFP_PULL_HIGH,
+ GPIO166_MMC3_DAT5 | MFP_PULL_HIGH,
+ GPIO163_MMC3_DAT4 | MFP_PULL_HIGH,
+ GPIO167_MMC3_DAT3 | MFP_PULL_HIGH,
+ GPIO164_MMC3_DAT2 | MFP_PULL_HIGH,
+ GPIO168_MMC3_DAT1 | MFP_PULL_HIGH,
+ GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
+ GPIO112_MMC3_CMD | MFP_PULL_HIGH,
+ GPIO151_MMC3_CLK,
+
+ /* 5V regulator */
+ GPIO89_GPIO,
+};
+
+static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
+ .irq_base = MMP_GPIO_TO_IRQ(0),
+};
+
+static struct regulator_consumer_supply max8649_supply[] = {
+ REGULATOR_SUPPLY("vcc_core", NULL),
+};
+
+static struct regulator_init_data max8649_init_data = {
+ .constraints = {
+ .name = "vcc_core range",
+ .min_uV = 1150000,
+ .max_uV = 1280000,
+ .always_on = 1,
+ .boot_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &max8649_supply[0],
+};
+
+static struct max8649_platform_data brownstone_max8649_info = {
+ .mode = 2, /* VID1 = 1, VID0 = 0 */
+ .extclk = 0,
+ .ramp_timing = MAX8649_RAMP_32MV,
+ .regulator = &max8649_init_data,
+};
+
+static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
+ REGULATOR_SUPPLY("v_5vp", NULL),
+};
+
+static struct regulator_init_data brownstone_v_5vp_data = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies),
+ .consumer_supplies = brownstone_v_5vp_supplies,
+};
+
+static struct fixed_voltage_config brownstone_v_5vp = {
+ .supply_name = "v_5vp",
+ .microvolts = 5000000,
+ .gpio = GPIO_5V_ENABLE,
+ .enable_high = 1,
+ .enabled_at_boot = 1,
+ .init_data = &brownstone_v_5vp_data,
+};
+
+static struct platform_device brownstone_v_5vp_device = {
+ .name = "reg-fixed-voltage",
+ .id = 1,
+ .dev = {
+ .platform_data = &brownstone_v_5vp,
+ },
+};
+
+static struct max8925_platform_data brownstone_max8925_info = {
+ .irq_base = MMP_NR_IRQS,
+};
+
+static struct i2c_board_info brownstone_twsi1_info[] = {
+ [0] = {
+ .type = "max8649",
+ .addr = 0x60,
+ .platform_data = &brownstone_max8649_info,
+ },
+ [1] = {
+ .type = "max8925",
+ .addr = 0x3c,
+ .irq = IRQ_MMP2_PMIC,
+ .platform_data = &brownstone_max8925_info,
+ },
+};
+
+static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
+ .clk_delay_cycles = 0x1f,
+};
+
+static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
+ .clk_delay_cycles = 0x1f,
+ .flags = PXA_FLAG_CARD_PERMANENT
+ | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
+};
+
+static struct sram_platdata mmp2_asram_platdata = {
+ .pool_name = "asram",
+ .granularity = SRAM_GRANULARITY,
+};
+
+static struct sram_platdata mmp2_isram_platdata = {
+ .pool_name = "isram",
+ .granularity = SRAM_GRANULARITY,
+};
+
+static void __init brownstone_init(void)
+{
+ mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
+
+ /* on-chip devices */
+ mmp2_add_uart(1);
+ mmp2_add_uart(3);
+ platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
+ sizeof(struct pxa_gpio_platform_data));
+ platform_device_register(&mmp2_device_gpio);
+ mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
+ mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
+ mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
+ mmp2_add_asram(&mmp2_asram_platdata);
+ mmp2_add_isram(&mmp2_isram_platdata);
+
+ /* enable 5v regulator */
+ platform_device_register(&brownstone_v_5vp_device);
+}
+
+MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
+ /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
+ .map_io = mmp_map_io,
+ .nr_irqs = BROWNSTONE_NR_IRQS,
+ .init_irq = mmp2_init_irq,
+ .init_time = mmp2_timer_init,
+ .init_machine = brownstone_init,
+ .restart = mmp_restart,
+MACHINE_END