[U-Boot] [PATCH 3/5] msm7x30: Add support for Qualcomm msm7630 soc
mohamed.haneef at lntinfotech.com
mohamed.haneef at lntinfotech.com
Thu Feb 16 03:59:21 CET 2012
From: Mohamed Haneef <mohamed.haneef at lntinfotech.com>
*Support for Qualcomm msm7630 soc
Signed-off-by: Mohamed Haneef <mohamed.haneef at lntinfotech.com>
---
arch/arm/cpu/armv7/msm7630/Makefile | 59 +++
arch/arm/cpu/armv7/msm7630/acpuclock.c | 328 +++++++++++++
arch/arm/cpu/armv7/msm7630/board.c | 58 +++
arch/arm/cpu/armv7/msm7630/config.mk | 1 +
arch/arm/cpu/armv7/msm7630/gpio.c | 229 +++++++++
arch/arm/cpu/armv7/msm7630/lowlevel_init.S | 626 +++++++++++++++++++++++++
arch/arm/cpu/armv7/msm7630/timer.c | 148 ++++++
arch/arm/include/asm/arch-msm7630/adm.h | 28 ++
arch/arm/include/asm/arch-msm7630/gpio.h | 47 ++
arch/arm/include/asm/arch-msm7630/gpio_hw.h | 168 +++++++
arch/arm/include/asm/arch-msm7630/iomap.h | 96 ++++
arch/arm/include/asm/arch-msm7630/proc_comm.h | 42 ++
arch/arm/include/asm/arch-msm7630/sys_proto.h | 29 ++
13 files changed, 1859 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/cpu/armv7/msm7630/Makefile
create mode 100644 arch/arm/cpu/armv7/msm7630/acpuclock.c
create mode 100644 arch/arm/cpu/armv7/msm7630/board.c
create mode 100644 arch/arm/cpu/armv7/msm7630/config.mk
create mode 100644 arch/arm/cpu/armv7/msm7630/gpio.c
create mode 100644 arch/arm/cpu/armv7/msm7630/lowlevel_init.S
create mode 100644 arch/arm/cpu/armv7/msm7630/timer.c
create mode 100644 arch/arm/include/asm/arch-msm7630/adm.h
create mode 100644 arch/arm/include/asm/arch-msm7630/gpio.h
create mode 100644 arch/arm/include/asm/arch-msm7630/gpio_hw.h
create mode 100644 arch/arm/include/asm/arch-msm7630/iomap.h
create mode 100644 arch/arm/include/asm/arch-msm7630/proc_comm.h
create mode 100644 arch/arm/include/asm/arch-msm7630/sys_proto.h
diff --git a/arch/arm/cpu/armv7/msm7630/Makefile b/arch/arm/cpu/armv7/msm7630/Makefile
new file mode 100644
index 0000000..d9dfade
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/Makefile
@@ -0,0 +1,59 @@
+#
+# (C) Copyright 2012
+# LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.com>
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+# The AVP is ARMv4T architecture so we must use special compiler
+# flags for any startup files it might use.
+#CFLAGS_arch/arm/cpu/armv7/tegra2/ap20.o += -march=armv4t
+#CFLAGS_arch/arm/cpu/armv7/tegra2/clock.o += -march=armv4t
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+SOBJS-y := lowlevel_init.o
+COBJS-y := board.o
+COBJS-y += timer.o
+COBJS-y += acpuclock.o
+COBJS-y += gpio.o
+
+ SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+ OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/armv7/msm7630/acpuclock.c b/arch/arm/cpu/armv7/msm7630/acpuclock.c
new file mode 100644
index 0000000..035ce04
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/acpuclock.c
@@ -0,0 +1,328 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <asm/arch/iomap.h>
+#include <asm/io.h>
+#include <common.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/proc_comm.h>
+#define ACPU_806MHZ 42
+#define ACPU_1024MHZ 53
+#define ACPU_1200MHZ 125
+#define ACPU_1400MHZ 73
+
+/* Macros to select PLL2 with divide by 1 */
+#define ACPU_SRC_SEL 3
+#define ACPU_SRC_DIV 0
+
+#define BIT(n) (1 << (n))
+#define VREG_CONFIG (BIT(7) | BIT(6))
+#define VREG_DATA (VREG_CONFIG | (VREF_SEL << 5))
+#define VREF_SEL 1 /* 0: 0.625V (50mV step), 1: 0.3125V (25mV step). */
+#define V_STEP (25 * (2 - VREF_SEL)) /* Minimum voltage step size. */
+#define MV(mv) ((mv) / (!((mv) % V_STEP)))
+/* mv = (750mV + (raw * 25mV)) * (2 - VREF_SEL) */
+#define VDD_RAW(mv) (((MV(mv) / V_STEP) - 30) | VREG_DATA)
+
+
+/* enum for SDC CLK IDs */
+enum {
+ SDC1_CLK = 19,
+ SDC1_PCLK = 20,
+ SDC2_CLK = 21,
+ SDC2_PCLK = 22,
+ SDC3_CLK = 23,
+ SDC3_PCLK = 24,
+ SDC4_CLK = 25,
+ SDC4_PCLK = 26
+};
+
+/* Zero'th entry is dummy */
+static uint8_t sdc_clk[] = {0, SDC1_CLK, SDC2_CLK, SDC3_CLK, SDC4_CLK};
+static uint8_t sdc_pclk[] = {0, SDC1_PCLK, SDC2_PCLK, SDC3_PCLK, SDC4_PCLK};
+
+void spm_init(void)
+{
+ writel(0x05, MSM_SAW_BASE + 0x10); /* MSM_SPM_REG_SAW_CFG */
+ writel(0x18, MSM_SAW_BASE + 0x14); /* MSM_SPM_REG_SAW_SPM_CTL */
+ writel(0x00006666, MSM_SAW_BASE + 0x18);
+ /* MSM_SPM_REG_SAW_SPM_SLP_TMR_DLY */
+ writel(0xFF000666, MSM_SAW_BASE + 0x1C);
+ /* MSM_SPM_REG_SAW_SPM_WAKE_TMR_DLY */
+ writel(0x01, MSM_SAW_BASE + 0x24); /* MSM_SPM_REG_SAW_SLP_CLK_EN */
+ writel(0x03, MSM_SAW_BASE + 0x28);
+ /* MSM_SPM_REG_SAW_SLP_HSFS_PRECLMP_EN */
+ writel(0x00, MSM_SAW_BASE + 0x2C);
+ /* MSM_SPM_REG_SAW_SLP_HSFS_POSTCLMP_EN */
+ writel(0x01, MSM_SAW_BASE + 0x30); /* MSM_SPM_REG_SAW_SLP_CLMP_EN */
+ writel(0x00, MSM_SAW_BASE + 0x34); /* MSM_SPM_REG_SAW_SLP_RST_EN */
+ writel(0x00, MSM_SAW_BASE + 0x38); /* MSM_SPM_REG_SAW_SPM_MPM_CFG */
+}
+
+/* Configures msmc2 voltage. vlevel is in mV */
+void msmc2_config(unsigned vlevel)
+{
+ unsigned val;
+ val = readl(MSM_SAW_BASE + 0x08); /* MSM_SPM_REG_SAW_VCTL */
+ val &= ~0xFF;
+ val |= VDD_RAW(vlevel);
+ writel(val, MSM_SAW_BASE + 0x08); /* MSM_SPM_REG_SAW_VCTL */
+ /* Wait for PMIC state to return to idle and for VDD to stabilize */
+ while (((readl(MSM_SAW_BASE + 0x0C) >> 20) & 0x3) != 0)
+ ;
+ udelay(160);
+}
+
+void enable_pll(unsigned num)
+{
+ unsigned reg_val;
+ reg_val = readl(PLL_ENA_REG);
+ reg_val |= (1 << num);
+ writel(reg_val, PLL_ENA_REG);
+ /* Wait until PLL is enabled */
+ while ((readl(PLL2_STATUS_BASE_REG) & (1 << 16)) == 0)
+ ;
+}
+
+void acpu_clock_init(void)
+{
+ unsigned clk, reg_clksel, reg_clkctl, src_sel;
+ /* Fixing msmc2 voltage */
+ spm_init();
+ clk = readl(PLL2_L_VAL_ADDR) & 0xFF;
+ if (clk == ACPU_806MHZ)
+ msmc2_config(1100);
+ else if (clk == ACPU_1024MHZ || clk == ACPU_1200MHZ)
+ msmc2_config(1200);
+ else if (clk == ACPU_1400MHZ)
+ msmc2_config(1250);
+ /* Enable pll 2 */
+ enable_pll(2);
+ reg_clksel = readl(SCSS_CLK_SEL);
+ /* CLK_SEL_SRC1NO */
+ src_sel = reg_clksel & 1;
+ /* Program clock source and divider. */
+ reg_clkctl = readl(SCSS_CLK_CTL);
+ reg_clkctl &= ~(0xFF << (8 * src_sel));
+ reg_clkctl |= ACPU_SRC_SEL << (4 + 8 * src_sel);
+ reg_clkctl |= ACPU_SRC_DIV << (0 + 8 * src_sel);
+ writel(reg_clkctl, SCSS_CLK_CTL);
+ /* Toggle clock source. */
+ reg_clksel ^= 1;
+ /* Program clock source selection. */
+ writel(reg_clksel, SCSS_CLK_SEL);
+}
+
+void hsusb_clock_init(void)
+{
+ int val = 0;
+ unsigned sh2_own_row2;
+ unsigned sh2_own_row2_hsusb_mask = (1 << 11);
+
+ sh2_own_row2 = readl(SH2_OWN_ROW2_BASE_REG);
+ if (sh2_own_row2 & sh2_own_row2_hsusb_mask) {
+ /* USB local clock control enabled */
+ /* Set value in MD register */
+ val = 0x5DF;
+ writel(val, SH2_USBH_MD_REG);
+ /* Set value in NS register */
+ val = 1 << 8;
+ val = val | readl(SH2_USBH_NS_REG);
+ writel(val, SH2_USBH_NS_REG);
+ val = 1 << 11;
+ val = val | readl(SH2_USBH_NS_REG);
+ writel(val, SH2_USBH_NS_REG);
+ val = 1 << 9;
+ val = val | readl(SH2_USBH_NS_REG);
+ writel(val, SH2_USBH_NS_REG);
+ val = 1 << 13;
+ val = val | readl(SH2_USBH_NS_REG);
+ writel(val, SH2_USBH_NS_REG);
+ /* Enable USBH_P_CLK */
+ val = 1 << 25;
+ val = val | readl(SH2_GLBL_CLK_ENA_SC);
+ writel(val, SH2_GLBL_CLK_ENA_SC);
+ } else
+ /* USB local clock control not enabled; use proc comm */
+ usb_clock_init();
+
+}
+
+void adm_enable_clock(void)
+{
+ unsigned int val = 0;
+
+ /* Enable ADM_CLK */
+ val = 1 << 5;
+ val = val | readl(SH2_GLBL_CLK_ENA_SC);
+ writel(val, SH2_GLBL_CLK_ENA_SC);
+}
+
+void mdp_lcdc_clock_init(void)
+{
+ unsigned int val = 0;
+ unsigned sh2_own_apps2;
+ unsigned sh2_own_apps2_lcdc_mask = (1 << 3);
+
+ sh2_own_apps2 = readl(SH2_OWN_APPS2_BASE_REG);
+ if (sh2_own_apps2 & sh2_own_apps2_lcdc_mask) {
+ /* MDP local clock control enabled */
+ /* Select clock source and divider */
+ val = 0x29;
+ val = val | readl(SH2_MDP_NS_REG);
+ writel(val, SH2_MDP_NS_REG);
+
+ /* Enable MDP source clock(root) */
+ val = 1 << 11;
+ val = val | readl(SH2_MDP_NS_REG);
+ writel(val, SH2_MDP_NS_REG);
+
+ /* Enable graphics clock(branch) */
+ val = 1 << 9;
+ val = val | readl(SH2_MDP_NS_REG);
+ writel(val, SH2_MDP_NS_REG);
+
+ /* Enable MDP_P_CLK */
+ val = 1 << 6;
+ val = val | readl(SH2_GLBL_CLK_ENA_2_SC);
+ writel(val, SH2_GLBL_CLK_ENA_2_SC);
+
+ /* Enable AXI_MDP_CLK */
+ val = 1 << 29;
+ val = val | readl(SH2_GLBL_CLK_ENA_2_SC);
+ writel(val, SH2_GLBL_CLK_ENA_2_SC);
+
+ /* LCDC local clock control enabled */
+ /* Set value in MD register */
+ val = 0x1FFF9;
+ writel(val, SH2_MDP_LCDC_MD_REG);
+
+ /* Set MDP_LCDC_N_VAL in NS register */
+ val = 0xFFFA << 16;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Set clock source */
+ val = 1;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Set divider */
+ val = 3 << 3;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Set MN counter mode */
+ val = 2 << 5;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Enable MN counter */
+ val = 1 << 8;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Enable mdp_lcdc_src(root) clock */
+ val = 1 << 11;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Enable mdp_lcdc_pclk(branch) clock */
+ val = 1 << 9;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+
+ /* Enable mdp_lcdc_pad_pclk(branch) clock */
+ val = 1 << 12;
+ val = val | readl(SH2_MDP_LCDC_NS_REG);
+ writel(val, SH2_MDP_LCDC_NS_REG);
+ } else {
+ /* MDP local clock control not enabled; use proc comm */
+ mdp_clock_init(122880000);
+ /* LCDC local clock control not enabled; use proc comm */
+ lcdc_clock_init(27648000);
+ }
+}
+
+void mddi_pmdh_clock_init(void)
+{
+ unsigned int val = 0;
+ unsigned sh2_own_row1;
+ unsigned sh2_own_row1_pmdh_mask = (1 << 19);
+
+ sh2_own_row1 = readl(SH2_OWN_ROW1_BASE_REG);
+ if (sh2_own_row1 & sh2_own_row1_pmdh_mask) {
+ /* Select clock source and divider */
+ val = 1;
+ val |= (1 << 3);
+ val = val | readl(SH2_PMDH_NS_REG);
+ writel(val, SH2_PMDH_NS_REG);
+
+ /* Enable PMDH_SRC (root) signal */
+ val = 1 << 11;
+ val = val | readl(SH2_PMDH_NS_REG);
+ writel(val, SH2_PMDH_NS_REG);
+
+ /* Enable PMDH_P_CLK */
+ val = 1 << 4;
+ val = val | readl(SH2_GLBL_CLK_ENA_2_SC);
+ writel(val, SH2_GLBL_CLK_ENA_2_SC);
+ } else
+ /* MDDI local clock control not enabled; use proc comm */
+ mddi_clock_init(0, 480000000);
+}
+
+void ce_clock_init(void)
+{
+ unsigned int val = 0;
+
+ /* Enable CE_CLK */
+ val = 1 << 6;
+ val = val | readl(SH2_GLBL_CLK_ENA_SC);
+ writel(val, SH2_GLBL_CLK_ENA_SC);
+}
+
+#ifdef CONFIG_QC_MMC
+/* Configure MMC clock */
+void clock_config_mmc(uint32_t interface, uint32_t freq)
+{
+ uint32_t reg = 0;
+
+ if (mmc_clock_set_rate(sdc_clk[interface], freq) < 0)
+ printf("Failure setting clock rate for MCLK - "
+ "clk_rate: %d\n!", freq);
+
+ /* enable clock */
+ if (mmc_clock_enable_disable(sdc_clk[interface], MMC_CLK_ENABLE) < 0)
+ printf("Failure enabling MMC Clock!\n");
+
+ reg |= MMC_BOOT_MCI_CLK_ENABLE;
+ reg |= MMC_BOOT_MCI_CLK_ENA_FLOW;
+ reg |= MMC_BOOT_MCI_CLK_IN_FEEDBACK;
+ writel(reg, MMC_BOOT_MCI_CLK);
+}
+
+/* Intialize MMC clock */
+void clock_init_mmc(uint32_t interface)
+{
+ if (mmc_clock_enable_disable(sdc_pclk[interface], MMC_CLK_ENABLE) < 0)
+ printf("Failure enabling PCLK!\n");
+}
+#endif
diff --git a/arch/arm/cpu/armv7/msm7630/board.c b/arch/arm/cpu/armv7/msm7630/board.c
new file mode 100644
index 0000000..8dd61b4
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/board.c
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/types.h>
+#include <asm/arch/iomap.h>
+#include <asm/arch/sys_proto.h>
+
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void set_vector_base(unsigned long addr)
+{
+ __asm__ volatile ("mcr p15, 0, %0, c12, c0, 0" : : "r" (addr));
+}
+
+int dram_init(void)
+{
+ /* We do not initialise DRAM here. We just query the size */
+ gd->ram_size = PHYS_SDRAM_1_SIZE;
+ /* Now check it dynamically */
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+
+}
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init()
+{
+ __cpu_early_init();
+ return 0;
+}
+#endif
diff --git a/arch/arm/cpu/armv7/msm7630/config.mk b/arch/arm/cpu/armv7/msm7630/config.mk
new file mode 100644
index 0000000..935a147
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/config.mk
@@ -0,0 +1 @@
+PLATFORM_CPPFLAGS += -march=armv7-a
diff --git a/arch/arm/cpu/armv7/msm7630/gpio.c b/arch/arm/cpu/armv7/msm7630/gpio.c
new file mode 100644
index 0000000..daa6d66
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/gpio.c
@@ -0,0 +1,229 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/iomap.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/proc_comm.h>
+#include <asm/arch/gpio_hw.h>
+
+struct gpioregs {
+ unsigned out;
+ unsigned in;
+ unsigned int_status;
+ unsigned int_clear;
+ unsigned int_en;
+ unsigned int_edge;
+ unsigned int_pos;
+ unsigned oe;
+};
+
+static struct gpioregs GPIO_REGS[] = {
+ {
+ .out = GPIO_OUT_0,
+ .in = GPIO_IN_0,
+ .int_status = GPIO_INT_STATUS_0,
+ .int_clear = GPIO_INT_CLEAR_0,
+ .int_en = GPIO_INT_EN_0,
+ .int_edge = GPIO_INT_EDGE_0,
+ .int_pos = GPIO_INT_POS_0,
+ .oe = GPIO_OE_0,
+ },
+ {
+ .out = GPIO_OUT_1,
+ .in = GPIO_IN_1,
+ .int_status = GPIO_INT_STATUS_1,
+ .int_clear = GPIO_INT_CLEAR_1,
+ .int_en = GPIO_INT_EN_1,
+ .int_edge = GPIO_INT_EDGE_1,
+ .int_pos = GPIO_INT_POS_1,
+ .oe = GPIO_OE_1,
+ },
+ {
+ .out = GPIO_OUT_2,
+ .in = GPIO_IN_2,
+ .int_status = GPIO_INT_STATUS_2,
+ .int_clear = GPIO_INT_CLEAR_2,
+ .int_en = GPIO_INT_EN_2,
+ .int_edge = GPIO_INT_EDGE_2,
+ .int_pos = GPIO_INT_POS_2,
+ .oe = GPIO_OE_2,
+ },
+ {
+ .out = GPIO_OUT_3,
+ .in = GPIO_IN_3,
+ .int_status = GPIO_INT_STATUS_3,
+ .int_clear = GPIO_INT_CLEAR_3,
+ .int_en = GPIO_INT_EN_3,
+ .int_edge = GPIO_INT_EDGE_3,
+ .int_pos = GPIO_INT_POS_3,
+ .oe = GPIO_OE_3,
+ },
+ {
+ .out = GPIO_OUT_4,
+ .in = GPIO_IN_4,
+ .int_status = GPIO_INT_STATUS_4,
+ .int_clear = GPIO_INT_CLEAR_4,
+ .int_en = GPIO_INT_EN_4,
+ .int_edge = GPIO_INT_EDGE_4,
+ .int_pos = GPIO_INT_POS_4,
+ .oe = GPIO_OE_4,
+ },
+ {
+ .out = GPIO_OUT_5,
+ .in = GPIO_IN_5,
+ .int_status = GPIO_INT_STATUS_5,
+ .int_clear = GPIO_INT_CLEAR_5,
+ .int_en = GPIO_INT_EN_5,
+ .int_edge = GPIO_INT_EDGE_5,
+ .int_pos = GPIO_INT_POS_5,
+ .oe = GPIO_OE_5,
+ },
+ {
+ .out = GPIO_OUT_6,
+ .in = GPIO_IN_6,
+ .int_status = GPIO_INT_STATUS_6,
+ .int_clear = GPIO_INT_CLEAR_6,
+ .int_en = GPIO_INT_EN_6,
+ .int_edge = GPIO_INT_EDGE_6,
+ .int_pos = GPIO_INT_POS_6,
+ .oe = GPIO_OE_6,
+ },
+ {
+ .out = GPIO_OUT_7,
+ .in = GPIO_IN_7,
+ .int_status = GPIO_INT_STATUS_7,
+ .int_clear = GPIO_INT_CLEAR_7,
+ .int_en = GPIO_INT_EN_7,
+ .int_edge = GPIO_INT_EDGE_7,
+ .int_pos = GPIO_INT_POS_7,
+ .oe = GPIO_OE_7,
+ },
+};
+
+static struct gpioregs *find_gpio(unsigned n, unsigned *bit)
+{
+ if (n > 150) {
+ *bit = 1 << (n - 151);
+ return GPIO_REGS + 7;
+ }
+ if (n > 133) {
+ *bit = 1 << (n - 134);
+ return GPIO_REGS + 6;
+ }
+ if (n > 106) {
+ *bit = 1 << (n - 107);
+ return GPIO_REGS + 5;
+ }
+ if (n > 94) {
+ *bit = 1 << (n - 95);
+ return GPIO_REGS + 4;
+ }
+ if (n > 67) {
+ *bit = 1 << (n - 68);
+ return GPIO_REGS + 3;
+ }
+ if (n > 43) {
+ *bit = 1 << (n - 44);
+ return GPIO_REGS + 2;
+ }
+ if (n > 15) {
+ *bit = 1 << (n - 16);
+ return GPIO_REGS + 1;
+ }
+ *bit = 1 << n;
+ return GPIO_REGS + 0;
+}
+
+int gpio_config(unsigned n, unsigned flags)
+{
+ struct gpioregs *r;
+ unsigned b;
+ unsigned v;
+
+ r = find_gpio(n, &b);
+ if (!r)
+ return -1;
+
+ v = readl(r->oe);
+ if (flags & GPIO_OUTPUT)
+ writel(v | b, r->oe);
+ else
+ writel(v & (~b), r->oe);
+ return 0;
+}
+
+void gpio_set(unsigned n, unsigned on)
+{
+ struct gpioregs *r;
+ unsigned b;
+ unsigned v;
+
+ r = find_gpio(n, &b);
+ if (r == 0)
+ return;
+
+ v = readl(r->out);
+ if (on)
+ writel(v | b, r->out);
+ else
+ writel(v & (~b), r->out);
+}
+
+int gpio_get(unsigned n)
+{
+ struct gpioregs *r;
+ unsigned b;
+
+ r = find_gpio(n, &b);
+ if (r == 0)
+ return 0;
+ return (readl(r->in) & b) ? 1 : 0;
+}
+
+void platform_config_interleaved_mode_gpios(void)
+{
+ /* configure EB2_CS1 through GPIO86 */
+ writel(GPIO_ALT_FUNC_PAGE_REG, 0x56);
+ writel(GPIO_ALT_FUNC_CFG_REG, 0x04);
+ /* configure the EBI2_BUSY1_N through GPIO115 */
+ writel(GPIO_ALT_FUNC_PAGE_REG, 0x73);
+ writel(GPIO_ALT_FUNC_CFG_REG, 0x08);
+}
+
+/* Enables all gpios passed in table*/
+int platform_gpios_enable(const struct msm_gpio *table, int size)
+{
+ int rc;
+ int i;
+ const struct msm_gpio *g;
+ for (i = 0; i < size; i++) {
+ g = table + i;
+ /* Enable gpio */
+ rc = gpio_tlmm_config(g->gpio_cfg, GPIO_ENABLE);
+ if (rc)
+ goto err;
+ }
+ return 0;
+err:
+ return rc;
+}
+
diff --git a/arch/arm/cpu/armv7/msm7630/lowlevel_init.S b/arch/arm/cpu/armv7/msm7630/lowlevel_init.S
new file mode 100644
index 0000000..d8d5b46
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/lowlevel_init.S
@@ -0,0 +1,626 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <config.h>
+#include <version.h>
+
+.text
+.code 32
+
+#define DSB .byte 0x4f, 0xf0, 0x7f, 0xf5
+#define ISB .byte 0x6f, 0xf0, 0x7f, 0xf5
+
+/*
+ ; LVT Ring Osc counter
+ ; used to determine sense amp settings
+ ; Clobbers registers r0, r4, r5, r6, r7, r9, r10, r11
+*/
+.equ CLK_CTL_BASE, 0xA8600000
+.equ A_GLBL_CLK_ENA, 0x0000
+.equ A_PRPH_WEB_NS_REG,0x0080
+.equ A_MSM_CLK_RINGOSC,0x00D0
+.equ A_TCXO_CNT, 0x00D4
+.equ A_TCXO_CNT_DONE, 0x00D8
+.equ A_RINGOSC_CNT, 0x00DC
+.equ A_MISC_CLK_CTL, 0x0108
+.equ CLK_TEST, 0xA8600114
+.equ SPSS_CSR_BASE, 0xAC100000
+.equ A_SCRINGOSC, 0x0510
+
+//;; Number of TCXO cycles to count ring oscillations
+.equ TCXO_CNT_VAL, 0x100
+
+//; Halcyon addresses
+.equ TCSR_CONF_FUSE_1, 0xAB600060 //; TCSR_CONF_FUSE_1 register
+.equ TCSR_CONF_FUSE_4, 0xAB60006C //; TCSR_CONF_FUSE_4 register
+
+//; SCORPION_L1_ACC (1:0) Fuses bit location
+.equ L1_ACC_BIT_0, 12 //;12th bit of TCSR_CONF_FUSE_4
+.equ L1_ACC_BIT_1, 13 //;13th bit of TCSR_CONF_FUSE_4
+//; SCORPION_L2_ACC (2:0) Fuses bit location
+.equ L2_ACC_BIT_0, 25 //;25th bit of TCSR_CONF_FUSE_1
+.equ L2_ACC_BIT_1, 10 //;10th bit of TCSR_CONF_FUSE_4
+.equ L2_ACC_BIT_2, 11 //;11th bit of TCSR_CONF_FUSE_4
+
+//; CP15: PVR2F0 values according to SCORPION_L1_ACC (1:0)
+.equ PVR2F0_00, 0x00000000
+.equ PVR2F0_01, 0x04000000
+.equ PVR2F0_10, 0x08000000
+.equ PVR2F0_11, 0x0C000000
+
+//; CP15: PVR2F1 values according to SCORPION_L1_ACC (1:0)
+.equ PVR2F1_00, 0x00000008
+.equ PVR2F1_01, 0x00000008
+.equ PVR2F1_10, 0x00000208
+.equ PVR2F1_11, 0x00000208
+
+//; CP15: PVR0F2 values according to SCORPION_L1_ACC (1:0)
+.equ PVR0F2_00, 0x00000000
+.equ PVR0F2_01, 0x00000000
+.equ PVR0F2_10, 0x00000200
+.equ PVR0F2_11, 0x00000200
+
+//; CP15: PVR0F0 values according to SCORPION_L1_ACC (1:0)
+.equ PVR0F0_00, 0x7F000000
+.equ PVR0F0_01, 0x7F000400
+.equ PVR0F0_10, 0x7F000000
+.equ PVR0F0_11, 0x7F000400
+
+//; CP15: L2VR3F1 values according to SCORPION_L2_ACC (2:0)
+.equ L2VR3F1_000, 0x00FFFF60
+.equ L2VR3F1_001, 0x00FFFF40
+.equ L2VR3F1_010, 0x00FFFC60
+.equ L2VR3F1_011, 0x00FFFC40
+.equ L2VR3F1_100, 0x00FCFF60
+.equ L2VR3F1_101, 0x00FCFF40
+.equ L2VR3F1_110, 0x00FCFC60
+.equ L2VR3F1_111, 0x00FCFC40
+
+
+
+
+_TEXT_BASE:
+ .word CONFIG_SYS_TEXT_BASE @ sdram load addr from config file
+
+.global invalidate_dcache
+invalidate_dcache:
+ mov pc, lr
+
+ .align 5
+.globl lowlevel_init
+lowlevel_init:
+ mov pc, lr @ back to arch calling code
+
+.global reset_cpu
+reset_cpu:
+_loop_forever:
+ b _loop_forever
+
+.globl SET_SA
+SET_SA:
+
+ //;--------------------------------------------------------------------
+ //; Fuse bits used to determine sense amp settings
+ //;--------------------------------------------------------------------
+
+ //; Reading L1_ACC
+ ldr r4, = 0x0
+
+ //; Read L1_ACC_BIT_0
+ ldr r1, =TCSR_CONF_FUSE_4
+ ldr r2, =L1_ACC_BIT_0
+ ldr r3, [r1]
+ mov r3, r3, LSR r2
+ and r3, r3, #1
+ orr r4, r3, r4
+
+ //; Read L1_ACC_BIT_1
+ ldr r1, =TCSR_CONF_FUSE_4
+ ldr r2, =L1_ACC_BIT_1
+ ldr r3, [r1]
+ mov r3, r3, LSR r2
+ and r3, r3, #1
+ mov r3, r3, LSL #1
+ orr r4, r3, r4
+
+l1_ck_0:
+ //; if L1_[1:0] == 00
+ ldr r5, = 0x0
+ cmp r4, r5
+ bne l1_ck_1
+ ldr r0, =PVR0F0_00
+ ldr r1, =PVR0F2_00
+ ldr r2, =PVR2F0_00
+ ldr r3, =PVR2F1_00
+ b WRITE_L1_SA_SETTINGS
+
+l1_ck_1:
+ //; if L1_[1:0] == 01
+ ldr r1, = 0x01
+ cmp r4, r1
+ bne l1_ck_2
+ ldr r0, =PVR0F0_01
+ ldr r1, =PVR0F2_01
+ ldr r2, =PVR2F0_01
+ ldr r3, =PVR2F1_01
+ b WRITE_L1_SA_SETTINGS
+
+l1_ck_2:
+ //; if L1_[2:0] == 10
+ ldr r1, = 0x02
+ cmp r4, r1
+ bne l1_ck_3
+ ldr r0, =PVR0F0_10
+ ldr r1, =PVR0F2_10
+ ldr r2, =PVR2F0_10
+ ldr r3, =PVR2F1_10
+ b WRITE_L1_SA_SETTINGS
+
+l1_ck_3:
+ //; if L1_[2:0] == 11
+ ldr r1, = 0x03
+ cmp r4, r1
+ ldr r0, =PVR0F0_11
+ ldr r1, =PVR0F2_11
+ ldr r2, =PVR2F0_11
+ ldr r3, =PVR2F1_11
+ b WRITE_L1_SA_SETTINGS
+
+
+WRITE_L1_SA_SETTINGS:
+
+ //;WCP15_PVR0F0 r0
+ mcr p15, 0x0, r0, c15, c15, 0x0 //; write R0 to PVR0F0
+
+ //;WCP15_PVR0F2 r1
+ mcr p15, 0x0, r1, c15, c15, 0x2 //; write R1 to PVR0F2
+
+ //;WCP15_PVR2F0 r2
+ mcr p15, 0x2, r2, c15, c15, 0x0 //; write R2 to PVR2F0
+
+ // Disable predecode repair cache on certain Scorpion revisions
+ // (Raptor V2 and earlier, or Halcyon V1)
+ mrc p15, 0, r1, c0, c0, 0 //; MIDR
+ BIC r2, r1, #0xf0 //; check for Halcyon V1
+ ldr r4, =0x511f0000
+ cmp r2, r4
+ bne PVR2F1
+
+DPRC:
+ mrc p15, 0, r1, c15, c15, 2 //; PVR0F2
+ orr r1, r1, #0x10 //; enable bit 4
+ mcr p15, 0, r1, c15, c15, 2 //; disable predecode repair cache
+
+PVR2F1:
+ //;WCP15_PVR2F1 r3
+ mcr p15, 0x2, r3, c15, c15, 0x1 //; write R3 to PVR2F1
+
+ //; Reading L2_ACC
+ ldr r4, = 0x0
+
+ //; Read L2_ACC_BIT_0
+ ldr r1, =TCSR_CONF_FUSE_1
+ ldr r2, =L2_ACC_BIT_0
+ ldr r3, [r1]
+ mov r3, r3, LSR r2
+ and r3, r3, #1
+ orr r4, r3, r4
+
+ //; Read L2_ACC_BIT_1
+ ldr r1, =TCSR_CONF_FUSE_4
+ ldr r2, =L2_ACC_BIT_1
+ ldr r3, [r1]
+ mov r3, r3, LSR r2
+ and r3, r3, #1
+ mov r3, r3, LSL #1
+ orr r4, r3, r4
+
+ //; Read L2_ACC_BIT_2
+ ldr r1, =TCSR_CONF_FUSE_4
+ ldr r2, =L2_ACC_BIT_2
+ ldr r3, [r1]
+ mov r3, r3, LSR r2
+ and r3, r3, #1
+ mov r3, r3, LSL #2
+ orr r4, r3, r4
+
+l2_ck_0:
+ //; if L2_[2:0] == 000
+ ldr r5, = 0x0
+ cmp r4, r5
+ bne l2_ck_1
+ ldr r0, =L2VR3F1_000
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_1:
+ //; if L2_[2:0] == 001
+ ldr r5, = 0x1
+ cmp r4, r5
+ bne l2_ck_2
+ ldr r0, =L2VR3F1_001
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_2:
+ //; if L2_[2:0] == 010
+ ldr r5, = 0x2
+ cmp r4, r5
+ bne l2_ck_3
+ ldr r0, =L2VR3F1_010
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_3:
+ //; if L2_[2:0] == 011
+ ldr r5, = 0x3
+ cmp r4, r5
+ bne l2_ck_4
+ ldr r0, =L2VR3F1_011
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_4:
+ //; if L2_[2:0] == 100
+ ldr r5, = 0x4
+ cmp r4, r5
+ bne l2_ck_5
+ ldr r0, =L2VR3F1_100
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_5:
+ //; if L2_[2:0] == 101
+ ldr r5, = 0x5
+ cmp r4, r5
+ bne l2_ck_6
+ ldr r0, =L2VR3F1_101
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_6:
+ //; if L2_[2:0] == 110
+ ldr r5, = 0x6
+ cmp r4, r5
+ bne l2_ck_7
+ ldr r0, =L2VR3F1_110
+ b WRITE_L2_SA_SETTINGS
+
+l2_ck_7:
+ //; if L2_[2:0] == 111
+ ldr r5, = 0x7
+ cmp r4, r5
+ ldr r0, =L2VR3F1_111
+ b WRITE_L2_SA_SETTINGS
+
+WRITE_L2_SA_SETTINGS:
+ //;WCP15_L2VR3F1 r0
+ mcr p15, 0x3, r0, c15, c15, 0x1 //;write r0 to L2VR3F1
+ DSB
+ ISB
+
+ ldr r0, =0 //;make sure the registers we touched
+ ldr r1, =0 //;are cleared when we return
+ ldr r2, =0
+ ldr r3, =0
+ ldr r4, =0
+ ldr r5, =0
+
+ mrs r0, cpsr
+ orr r0, r0, #(1<<7)
+ msr cpsr_c, r0
+
+ //; routine complete
+ pop {r5-r12,pc}
+
+.ltorg
+
+.globl __cpu_early_init
+__cpu_early_init:
+
+ //; Zero out r0 for use throughout this code. All other GPRs
+ //; (r1-r3) are set throughout this code to help establish
+ //; a consistent startup state for any code that follows.
+ //; Users should add code at the end of this routine to establish
+ //; their own stack address (r13), add translation page tables, enable
+ //; the caches, etc.
+ push {r5-r12,r14}
+ mov r0, #0x0
+
+
+ //; Remove hardcoded cache settings. appsbl_handler.s calls Set_SA
+ //; API to dynamically configure cache for slow/nominal/fast parts
+
+ //; DCIALL to invalidate L2 cache bank (needs to be run 4 times,
+ //; once per bank)
+ //; This must be done early in code (prior to enabling the caches)
+ mov r1, #0x2
+ mcr p15, 0, r1, c9, c0, 6 //; DCIALL bank D ([15:14] == 2'b00)
+ orr r1, r1, #0x00004000
+ mcr p15, 0, r1, c9, c0, 6 //; DCIALL bank C ([15:14] == 2'b01)
+ add r1, r1, #0x00004000
+ mcr p15, 0, r1, c9, c0, 6 //; DCIALL bank B ([15:14] == 2'b10)
+ add r1, r1, #0x00004000
+ mcr p15, 0, r1, c9, c0, 6 //; DCIALL bank A ([15:14] == 2'b11)
+
+ //; Initialize the BPCR - setup Global History Mask (GHRM) to all 1's
+ //; and have all address bits (AM) participate.
+ //; Different settings can be used to improve performance
+ // movW r1, #0x01FF
+.word 0xe30011ff // hardcoded movW instruction due to lack of compiler support
+ // movT r1, #0x01FF
+.word 0xe34011ff // hardcoded movT instruction due to lack of compiler support
+ mcr p15, 7, r1, c15, c0, 2 //; WCP15_BPCR
+
+
+ //; Initialize all I$ Victim Registers to 0 for startup
+ mcr p15, 0, r0, c9, c1, 0 //; WCP15_ICVIC0 r0
+ mcr p15, 0, r0, c9, c1, 1 //; WCP15_ICVIC1 r0
+ mcr p15, 0, r0, c9, c1, 2 //; WCP15_ICVIC2 r0
+ mcr p15, 0, r0, c9, c1, 3 //; WCP15_ICVIC3 r0
+ mcr p15, 0, r0, c9, c1, 4 //; WCP15_ICVIC4 r0
+ mcr p15, 0, r0, c9, c1, 5 //; WCP15_ICVIC5 r0
+ mcr p15, 0, r0, c9, c1, 6 //; WCP15_ICVIC5 r0
+ mcr p15, 0, r0, c9, c1, 7 //; WCP15_ICVIC7 r0
+
+ //; Initialize all I$ Locked Victim Registers (Unlocked Floors) to 0
+ mcr p15, 1, r0, c9, c1, 0 //; WCP15_ICFLOOR0 r0
+ mcr p15, 1, r0, c9, c1, 1 //; WCP15_ICFLOOR1 r0
+ mcr p15, 1, r0, c9, c1, 2 //; WCP15_ICFLOOR2 r0
+ mcr p15, 1, r0, c9, c1, 3 //; WCP15_ICFLOOR3 r0
+ mcr p15, 1, r0, c9, c1, 4 //; WCP15_ICFLOOR4 r0
+ mcr p15, 1, r0, c9, c1, 5 //; WCP15_ICFLOOR5 r0
+ mcr p15, 1, r0, c9, c1, 6 //; WCP15_ICFLOOR6 r0
+ mcr p15, 1, r0, c9, c1, 7 //; WCP15_ICFLOOR7 r0
+
+ //; Initialize all D$ Victim Registers to 0
+ mcr p15, 2, r0, c9, c1, 0 //; WP15_DCVIC0 r0
+ mcr p15, 2, r0, c9, c1, 1 //; WP15_DCVIC1 r0
+ mcr p15, 2, r0, c9, c1, 2 //; WP15_DCVIC2 r0
+ mcr p15, 2, r0, c9, c1, 3 //; WP15_DCVIC3 r0
+ mcr p15, 2, r0, c9, c1, 4 //; WP15_DCVIC4 r0
+ mcr p15, 2, r0, c9, c1, 5 //; WP15_DCVIC5 r0
+ mcr p15, 2, r0, c9, c1, 6 //; WP15_DCVIC6 r0
+ mcr p15, 2, r0, c9, c1, 7 //; WP15_DCVIC7 r0
+
+ //; Initialize all D$ Locked VDCtim Registers (Unlocked Floors) to 0
+ mcr p15, 3, r0, c9, c1, 0 //; WCP15_DCFLOOR0 r0
+ mcr p15, 3, r0, c9, c1, 1 //; WCP15_DCFLOOR1 r0
+ mcr p15, 3, r0, c9, c1, 2 //; WCP15_DCFLOOR2 r0
+ mcr p15, 3, r0, c9, c1, 3 //; WCP15_DCFLOOR3 r0
+ mcr p15, 3, r0, c9, c1, 4 //; WCP15_DCFLOOR4 r0
+ mcr p15, 3, r0, c9, c1, 5 //; WCP15_DCFLOOR5 r0
+ mcr p15, 3, r0, c9, c1, 6 //; WCP15_DCFLOOR6 r0
+ mcr p15, 3, r0, c9, c1, 7 //; WCP15_DCFLOOR7 r0
+
+ //; Initialize ASID to zero
+ mcr p15, 0, r0, c13, c0, 1 //; WCP15_CONTEXTIDR r0
+
+ //; ICIALL to invalidate entire I-Cache
+ mcr p15, 0, r0, c7, c5, 0 //; ICIALLU
+
+ //; DCIALL to invalidate entire D-Cache
+ mcr p15, 0, r0, c9, c0, 6 //; DCIALL r0
+
+ //; Initialize ADFSR to zero
+ mcr p15, 0, r0, c5, c1, 0 //; ADFSR r0
+
+ //; Initialize EFSR to zero
+ mcr p15, 7, r0, c15, c0, 1 //; EFSR r0
+
+ //; The VBAR (Vector Base Address Register) should be initialized
+ //; early in your code. We are setting it to zero
+ mcr p15, 0, r0, c12, c0, 0 //; WCP15_VBAR r0
+
+ //; Ensure the mcr's above have completed their operation
+ //; before continuing
+ DSB
+ ISB
+
+ //; Setup CCPR - Cache Coherency Policy Register
+ //; setup CCPR[L1ISHP, L2ISHP] both to 0b00 (no forcing)
+ //; setup CCPR[L1OSHP, L2OSHP] both to 0b10 (force non-cacheable)
+ movw r2, #0x88
+ mcr p15, 0, r2, c10, c4, 2
+
+ //;-------------------------------------------------------------------
+ //; There are a number of registers that must be set prior to enabling
+ //; the MMU. The DCAR is one of these registers. We are setting
+ //; it to zero (no access) to easily detect improper setup in subsequent
+ //; code sequences
+ //;-------------------------------------------------------------------
+ //; Setup DACR (Domain Access Control Register) to zero
+ mcr p15, 0, r0, c3, c0, 0 //; WCP15_DACR r0
+
+ //; Setup DCLKCR to allow normal D-Cache line fills
+ mcr p15, 1, r0, c9, c0, 7 //; WCP15_DCLKCR r0
+
+ //; Setup the TLBLKCR
+ //; Victim = 6'b000000; Floor = 6'b000000;
+ //; IASIDCFG =
+ //;2'b00 (State-Machine); IALLCFG = 2'b01 (Flash); BNA = 1'b0;
+ mov r1, #0x02
+ mcr p15, 0, r1, c10, c1, 3 //; WCP15_TLBLKCR r1
+
+ //;Make sure TLBLKCR is complete before continuing
+ ISB
+
+ //; Invalidate the UTLB
+ mcr p15, 0, r0, c8, c7, 0 //; UTLBIALL
+
+ //; Make sure UTLB request has been presented to macro before continuing
+ ISB
+
+SYSI2:
+ //; setup L2CR1 to some default Instruction and data prefetching values
+ //; Users may want specific settings for various performance
+ //; enhancements
+ //; In Halcyon we do not have broadcasting barriers. So we need to turn
+ // ; on bit 8 of L2CR1; which DBB:( Disable barrier broadcast )
+ ldr r2, =0x133
+ mcr p15, 3, r2, c15, c0, 3 //; WCP15_L2CR1 r0
+
+
+ //; Enable Z bit to enable branch prediction (default is off)
+ mrc p15, 0, r2, c1, c0, 0 //; RCP15_SCTLR r2
+ orr r2, r2, #0x00000800
+ mcr p15, 0, r2, c1, c0, 0 //; WCP15_SCTLR r2
+
+ //; Make sure Link stack is initialized with branch and links to
+ //; sequential addresses
+ //; This aids in creating a predictable startup environment
+ bl SEQ1
+SEQ1: bl SEQ2
+SEQ2: bl SEQ3
+SEQ3: bl SEQ4
+SEQ4: bl SEQ5
+SEQ5: bl SEQ6
+SEQ6: bl SEQ7
+SEQ7: bl SEQ8
+SEQ8:
+
+ //; REMOVE FOLLOWING THREE INSTRUCTIONS WHEN POWER COLLAPSE IS ENA
+ //;Make sure the DBGOSLSR[LOCK] bit is cleared to allow access to the
+ //;debug registers
+ //; Writing anything but the "secret code" to the DBGOSLAR clears the
+ //;DBGOSLSR[LOCK] bit
+ mcr p14, 0, r0, c1, c0, 4 //; WCP14_DBGOSLAR r0
+
+
+ //; Read the DBGPRSR to clear the DBGPRSR[STICKYPD]
+ //; Any read to DBGPRSR clear the STICKYPD bit
+ //; ISB guarantees the read completes before attempting to
+ //; execute a CP14 instruction.
+ mrc p14, 0, r3, c1, c5, 4 //; RCP14_DBGPRSR r3
+ ISB
+
+ //; Initialize the Watchpoint Control Registers to zero (optional)
+ //;;; mcr p14, 0, r0, c0, c0, 7 ; WCP14_DBGWCR0 r0
+ //;;; mcr p14, 0, r0, c0, c1, 7 ; WCP14_DBGWCR1 r0
+
+
+ //;--------------------------------------------------------------------
+ //; The saved Program Status Registers (SPSRs) should be setup
+ //; prior to any automatic mode switches. The following
+ //; code sets these registers up to a known state. Users will need to
+ //; customize these settings to meet their needs.
+ //;--------------------------------------------------------------------
+ mov r2, #0x1f
+ mov r1, #0xd7 //;ABT mode
+ msr cpsr_c, r1 //;ABT mode
+ msr spsr_cxfs, r2 //;clear the spsr
+ mov r1, #0xdb //;UND mode
+ msr cpsr_c, r1 //;UND mode
+ msr spsr_cxfs, r2 //;clear the spsr
+ mov r1, #0xd1 //;FIQ mode
+ msr cpsr_c, r1 //;FIQ mode
+ msr spsr_cxfs, r2 //;clear the spsr
+ mov r1, #0xd2 //;IRQ mode
+ msr cpsr_c, r1 //;IRQ mode
+ msr spsr_cxfs, r2 //;clear the spsr
+ mov r1, #0xd6 //;Monitor mode
+ msr cpsr_c, r1 //;Monitor mode
+ msr spsr_cxfs, r2 //;clear the spsr
+ mov r1, #0xd3 //;SVC mode
+ msr cpsr_c, r1 //;SVC mode
+ msr spsr_cxfs, r2 //;clear the spsr
+
+
+ //;--------------------------------------------------------------------
+ //; Enabling Error reporting is something users may want to do at
+ //; some other point in time. We have chosen some default settings
+ //; that should be reviewed. Most of these registers come up in an
+ //; unpredictable state after reset.
+ //;--------------------------------------------------------------------
+//;Start of error and control setting
+
+ //; setup L2CR0 with various L2/TCM control settings
+ //; enable out of order bus attributes and error reporting
+ //; this register comes up unpredictable after reset
+ // movw r1, #0x0F0F
+.word 0xe3001f0f // hardcoded movw instruction due to lack of compiler support
+ // movT r1, #0xC005
+.word 0xe34c1005 // hardcoded movw instruction due to lack of compiler support
+ mcr p15, 3, r1, c15, c0, 1 //; WCP15_L2CR0 r1
+
+ //; setup L2CPUCR
+ //; mov r2, #0xFF
+ //; Enable I and D cache parity
+ //;L2CPUCR[7:5] = 3~Rh7 ~V enable parity error reporting for modified,
+ //;tag, and data parity errors
+ mov r2, #0xe0
+ mcr p15, 3, r2, c15, c0, 2 //; WCP15_L2CPUCR r2
+
+ //; setup SPCR
+ //; enable all error reporting
+ //;(reset value is unpredicatble for most bits)
+ mov r3, #0x0F
+ mcr p15, 0, r3, c9, c7, 0 //; WCP15_SPCR r3
+
+ //; setup DMACHCRs (reset value unpredictable)
+ //; control setting and enable all error reporting
+ mov r1, #0x0F
+
+ //; DMACHCR0 = 0000000F
+ mov r2, #0x00 //; channel 0
+ mcr p15, 0, r2, c11, c0, 0 //; WCP15_DMASELR r2
+ mcr p15, 0, r1, c11, c0, 2 //; WCP15_DMACHCR r1
+
+ //; DMACHCR1 = 0000000F
+ mov r2, #0x01 //; channel 1
+ mcr p15, 0, r2, c11, c0, 0 //; WCP15_DMASELR r2
+ mcr p15, 0, r1, c11, c0, 2 //; WCP15_DMACHCR r1
+
+ //; DMACHCR2 = 0000000F
+ mov r2, #0x02 //; channel 2
+ mcr p15, 0, r2, c11, c0, 0 //; WCP15_DMASELR r2
+ mcr p15, 0, r1, c11, c0, 2 //; WCP15_DMACHCR r1
+
+ //; DMACHCR3 = 0000000F
+ mov r2, #0x03 //; channel 3
+ mcr p15, 0, r2, c11, c0, 0 //; WCP15_DMASELR r2
+ mcr p15, 0, r1, c11, c0, 2 //; WCP15_DMACHCR r1
+
+ //; Set ACTLR (reset unpredictable)
+ //; Set AVIVT control, error reporting, etc.
+ //; mov r3, #0x07
+ //; Enable I and D cache parity
+ //;ACTLR[2:0] = 3'h7 - enable parity error reporting from L2/I$/D$)
+ //;ACTLR[5:4] = 2'h3 - enable parity
+ //;ACTLR[19:18] =2'h3 - always generate and
+ //;check parity(when MMU disabled).
+ //;Value to be written #0xC0037
+ // movw r3, #0x0037
+.word 0xe3003037 // hardcoded movw instruction due to lack of compiler support
+ // movT r3, #0x000C
+.word 0xe340300c // hardcoded movw instruction due to lack of compiler support
+ mcr p15, 0, r3, c1, c0, 1 //; WCP15_ACTLR r3
+
+//;End of error and control setting
+
+ //;---------------------------------------------------------------------
+ //; Unlock ETM and read StickyPD to halt the ETM clocks from running.
+ //; This is required for power saving whether the ETM is used or not.
+ //;---------------------------------------------------------------------
+
+ //;Clear ETMOSLSR[LOCK] bit
+ mov r1, #0x00000000
+ mcr p14, 1, r1, c1, c0, 4 //; WCP14_ETMOSLAR r1
+
+ //;Clear ETMPDSR[STICKYPD] bit
+ mrc p14, 1, r2, c1, c5, 4 //; RCP14_ETMPDSR r2
+ b SET_SA
+
+
+.ltorg
diff --git a/arch/arm/cpu/armv7/msm7630/timer.c b/arch/arm/cpu/armv7/msm7630/timer.c
new file mode 100644
index 0000000..1c3f7ba
--- /dev/null
+++ b/arch/arm/cpu/armv7/msm7630/timer.c
@@ -0,0 +1,148 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.com>
+ *
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * (C) Copyright 2008
+ * Texas Instruments
+ *
+ * Richard Woodruff <r-woodruff2 at ti.com>
+ * Syed Moahmmed Khasim <khasim at ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ * Alex Zuepke <azu at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj at denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/iomap.h>
+#include <asm/io.h>
+#include <config.h>
+#include <common.h>
+#include <asm/types.h>
+#define TIMER_LOAD_VAL 0x21
+
+#define GPT_ENABLE_CLR_ON_MATCH_EN 2
+#define GPT_ENABLE_EN 1
+#define DGT_ENABLE_CLR_ON_MATCH_EN 2
+#define DGT_ENABLE_EN 1
+
+#define SPSS_TIMER_STATUS_DGT_EN (1 << 0)
+
+
+#define READ_TIMER readl(GPT_COUNT_VAL)
+
+static ulong timestamp;
+static ulong lastinc;
+#define DGT_HZ 6750000 /* Uses LPXO/4 (27.0 MHz / 4) */
+
+
+/* nothing really to do with interrupts, just starts up a counter. */
+int timer_init(void)
+{
+ uint32_t val = 0;
+
+ /* Disable timer */
+ writel(0, DGT_ENABLE);
+
+ /* Check for the hardware revision */
+ val = readl(HW_REVISION_NUMBER);
+ val = (val >> 28) & 0x0F;
+ if (val >= 1)
+ writel(1, DGT_CLK_CTL);
+ return 0;
+}
+
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+/* delay x useconds AND perserve advance timstamp value */
+void __udelay(unsigned long usecs)
+{
+ unsigned int val;
+ usecs = (usecs * 33 + 1000 - 33) / 1000;
+
+ writel(0, GPT_CLEAR);
+ writel(0, GPT_ENABLE);
+ do {
+ val = 0;
+ val = readl(GPT_COUNT_VAL);
+ } while (val != 0);
+
+ writel(GPT_ENABLE_EN, GPT_ENABLE);
+ do {
+ val = 0;
+ val = readl(GPT_COUNT_VAL);
+ } while (val < usecs) ;
+
+ writel(0, GPT_ENABLE);
+ writel(0, GPT_CLEAR);
+
+}
+
+void reset_timer_masked(void)
+{
+ /* reset time */
+ lastinc = READ_TIMER; /* capure current decrementer value time */
+ timestamp = 0; /* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked(void)
+{
+ ulong now = READ_TIMER; /* current tick value */
+
+ if (lastinc <= now) { /* normal mode (non roll) */
+ /* normal mode */
+ timestamp += now - lastinc;
+ /* move stamp forward with absolute diff ticks */
+ } else { /* we have overflow of the count down timer */
+ timestamp += now + (TIMER_LOAD_VAL - lastinc);
+ }
+ lastinc = now;
+
+ return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return 19200000;
+}
diff --git a/arch/arm/include/asm/arch-msm7630/adm.h b/arch/arm/include/asm/arch-msm7630/adm.h
new file mode 100644
index 0000000..0e8af85
--- /dev/null
+++ b/arch/arm/include/asm/arch-msm7630/adm.h
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ADM_H
+#define __ADM_H
+
+/* Channel #s and security domain */
+#define ADM_CHN 8
+#define ADM_SD 2
+
+#endif
diff --git a/arch/arm/include/asm/arch-msm7630/gpio.h b/arch/arm/include/asm/arch-msm7630/gpio.h
new file mode 100644
index 0000000..af6ddaa
--- /dev/null
+++ b/arch/arm/include/asm/arch-msm7630/gpio.h
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __GPIO_H
+#define __GPIO_H
+
+#ifndef GPIO_INPUT
+#define GPIO_INPUT 0x0000
+#endif
+#ifndef GPIO_OUTPUT
+#define GPIO_OUTPUT 0x0001
+#endif
+
+#define GPIO_LEVEL 0x0000
+#define GPIO_EDGE 0x0010
+
+#define GPIO_RISING 0x0020
+#define GPIO_FALLING 0x0040
+
+#define GPIO_HIGH 0x0020
+#define GPIO_LOW 0x0040
+
+#define GPIO_PULLUP 0x0100
+#define GPIO_PULLDOWN 0x0200
+
+int gpio_config(unsigned nr, unsigned flags);
+void gpio_set(unsigned nr, unsigned on);
+int gpio_get(unsigned nr);
+
+#endif
diff --git a/arch/arm/include/asm/arch-msm7630/gpio_hw.h b/arch/arm/include/asm/arch-msm7630/gpio_hw.h
new file mode 100644
index 0000000..c8244d8
--- /dev/null
+++ b/arch/arm/include/asm/arch-msm7630/gpio_hw.h
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __GPIO_HW_H
+#define __GPIO_HW_H
+
+#define MSM_GPIO1_BASE 0xAC001000
+#define MSM_GPIO2_BASE 0xAC101000
+
+#define GPIO1_REG(off) (MSM_GPIO1_BASE + (off))
+#define GPIO2_REG(off) (MSM_GPIO2_BASE + 0x400 + (off))
+
+/* output value */
+#define GPIO_OUT_0 GPIO1_REG(0x00) /* gpio 15-0 */
+#define GPIO_OUT_1 GPIO2_REG(0x00) /* gpio 43-16 */
+#define GPIO_OUT_2 GPIO1_REG(0x04) /* gpio 67-44 */
+#define GPIO_OUT_3 GPIO1_REG(0x08) /* gpio 94-68 */
+#define GPIO_OUT_4 GPIO1_REG(0x0C) /* gpio 106-95 */
+#define GPIO_OUT_5 GPIO1_REG(0x50) /* gpio 133-107 */
+#define GPIO_OUT_6 GPIO1_REG(0xC4) /* gpio 150-134 */
+#define GPIO_OUT_7 GPIO1_REG(0x214) /* gpio 181-151 */
+
+/* same pin map as above, output enable */
+#define GPIO_OE_0 GPIO1_REG(0x10)
+#define GPIO_OE_1 GPIO2_REG(0x08)
+#define GPIO_OE_2 GPIO1_REG(0x14)
+#define GPIO_OE_3 GPIO1_REG(0x18)
+#define GPIO_OE_4 GPIO1_REG(0x1C)
+#define GPIO_OE_5 GPIO1_REG(0x54)
+#define GPIO_OE_6 GPIO1_REG(0xC8)
+#define GPIO_OE_7 GPIO1_REG(0x218)
+
+/* same pin map as above, input read */
+#define GPIO_IN_0 GPIO1_REG(0x34)
+#define GPIO_IN_1 GPIO2_REG(0x20)
+#define GPIO_IN_2 GPIO1_REG(0x38)
+#define GPIO_IN_3 GPIO1_REG(0x3C)
+#define GPIO_IN_4 GPIO1_REG(0x40)
+#define GPIO_IN_5 GPIO1_REG(0x44)
+#define GPIO_IN_6 GPIO1_REG(0xCC)
+#define GPIO_IN_7 GPIO1_REG(0x21C)
+
+/* same pin map as above, 1=edge 0=level interrup */
+#define GPIO_INT_EDGE_0 GPIO1_REG(0x60)
+#define GPIO_INT_EDGE_1 GPIO2_REG(0x50)
+#define GPIO_INT_EDGE_2 GPIO1_REG(0x64)
+#define GPIO_INT_EDGE_3 GPIO1_REG(0x68)
+#define GPIO_INT_EDGE_4 GPIO1_REG(0x6C)
+#define GPIO_INT_EDGE_5 GPIO1_REG(0xC0)
+#define GPIO_INT_EDGE_6 GPIO1_REG(0xD0)
+#define GPIO_INT_EDGE_7 GPIO1_REG(0x240)
+
+/* same pin map as above, 1=positive 0=negative */
+#define GPIO_INT_POS_0 GPIO1_REG(0x70)
+#define GPIO_INT_POS_1 GPIO2_REG(0x58)
+#define GPIO_INT_POS_2 GPIO1_REG(0x74)
+#define GPIO_INT_POS_3 GPIO1_REG(0x78)
+#define GPIO_INT_POS_4 GPIO1_REG(0x7C)
+#define GPIO_INT_POS_5 GPIO1_REG(0xBC)
+#define GPIO_INT_POS_6 GPIO1_REG(0xD4)
+#define GPIO_INT_POS_7 GPIO1_REG(0x228)
+
+/* same pin map as above, interrupt enable */
+#define GPIO_INT_EN_0 GPIO1_REG(0x80)
+#define GPIO_INT_EN_1 GPIO2_REG(0x60)
+#define GPIO_INT_EN_2 GPIO1_REG(0x84)
+#define GPIO_INT_EN_3 GPIO1_REG(0x88)
+#define GPIO_INT_EN_4 GPIO1_REG(0x8C)
+#define GPIO_INT_EN_5 GPIO1_REG(0xB8)
+#define GPIO_INT_EN_6 GPIO1_REG(0xD8)
+#define GPIO_INT_EN_7 GPIO1_REG(0x22C)
+
+/* same pin map as above, write 1 to clear interrupt */
+#define GPIO_INT_CLEAR_0 GPIO1_REG(0x90)
+#define GPIO_INT_CLEAR_1 GPIO2_REG(0x68)
+#define GPIO_INT_CLEAR_2 GPIO1_REG(0x94)
+#define GPIO_INT_CLEAR_3 GPIO1_REG(0x98)
+#define GPIO_INT_CLEAR_4 GPIO1_REG(0x9C)
+#define GPIO_INT_CLEAR_5 GPIO1_REG(0xB4)
+#define GPIO_INT_CLEAR_6 GPIO1_REG(0xDC)
+#define GPIO_INT_CLEAR_7 GPIO1_REG(0x230)
+
+/* same pin map as above, 1=interrupt pending */
+#define GPIO_INT_STATUS_0 GPIO1_REG(0xA0)
+#define GPIO_INT_STATUS_1 GPIO2_REG(0x70)
+#define GPIO_INT_STATUS_2 GPIO1_REG(0xA4)
+#define GPIO_INT_STATUS_3 GPIO1_REG(0xA8)
+#define GPIO_INT_STATUS_4 GPIO1_REG(0xAC)
+#define GPIO_INT_STATUS_5 GPIO1_REG(0xB0)
+#define GPIO_INT_STATUS_6 GPIO1_REG(0xE0)
+#define GPIO_INT_STATUS_7 GPIO1_REG(0x234)
+
+
+#define GPIO_OUT_VAL_REG_BASE 0xABC00000
+#define GPIO_ALT_FUNC_PAGE_REG (GPIO_OUT_VAL_REG_BASE + 0x20)
+#define GPIO_ALT_FUNC_CFG_REG (GPIO_OUT_VAL_REG_BASE + 0x24)
+
+
+/* GPIO TLMM: Pullup/Pulldown */
+#define GPIO_NO_PULL 0
+#define GPIO_PULL_DOWN 1
+#define GPIO_KEEPER 2
+#define GPIO_PULL_UP 3
+
+/* GPIO TLMM: Drive Strength */
+#define GPIO_2MA 0
+#define GPIO_4MA 1
+#define GPIO_6MA 2
+#define GPIO_8MA 3
+#define GPIO_10MA 4
+#define GPIO_12MA 5
+#define GPIO_14MA 6
+#define GPIO_16MA 7
+
+#define GPIO38_GPIO_CNTRL 0x175
+
+/* GPIO TLMM: Status */
+#define GPIO_ENABLE 0
+#define GPIO_DISABLE 1
+
+#define GPIO_CFG(gpio, func, dir, pull, drvstr) \
+ ((((gpio) & 0x3FF) << 4) | \
+ ((func) & 0xf) | \
+ (((dir) & 0x1) << 14) | \
+ (((pull) & 0x3) << 15) | \
+ (((drvstr) & 0xF) << 17))
+
+/**
+ * struct msm_gpio - GPIO pin description
+ * @gpio_cfg - configuration bitmap, as per gpio_tlmm_config()
+ * @label - textual label
+ *
+ * Usually, GPIO's are operated by sets.
+ * This struct accumulate all GPIO information in single source
+ * and facilitete group operations provided by msm_gpios_xxx()
+ */
+struct msm_gpio {
+ unsigned gpio_cfg;
+ const char *label;
+};
+
+/**
+ * extract GPIO pin from bit-field used for gpio_tlmm_config
+ */
+#define GPIO_PIN(gpio_cfg) (((gpio_cfg) >> 4) & 0x3ff)
+#define GPIO_FUNC(gpio_cfg) (((gpio_cfg) >> 0) & 0xf)
+#define GPIO_DIR(gpio_cfg) (((gpio_cfg) >> 14) & 0x1)
+#define GPIO_PULL(gpio_cfg) (((gpio_cfg) >> 15) & 0x3)
+#define GPIO_DRVSTR(gpio_cfg) (((gpio_cfg) >> 17) & 0xf)
+
+#endif
diff --git a/arch/arm/include/asm/arch-msm7630/iomap.h b/arch/arm/include/asm/arch-msm7630/iomap.h
new file mode 100644
index 0000000..186c6c2
--- /dev/null
+++ b/arch/arm/include/asm/arch-msm7630/iomap.h
@@ -0,0 +1,96 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __IOMAP_H_
+#define __IOMAP_H_
+
+#define MSM_UART1_BASE 0xACA00000
+#define MSM_UART2_BASE 0xACB00000
+#define MSM_UART3_BASE 0xACC00000
+
+#define MSM_VIC_BASE 0xC0080000
+#define MSM_TMR_BASE 0xC0100000
+
+#define MSM_GPT_BASE (MSM_TMR_BASE + 0x04)
+#define MSM_DGT_BASE (MSM_TMR_BASE + 0x24)
+#define SPSS_TIMER_STATUS (MSM_TMR_BASE + 0x88)
+
+#define GPT_REG(off) (MSM_GPT_BASE + (off))
+#define DGT_REG(off) (MSM_DGT_BASE + (off))
+
+#define GPT_MATCH_VAL GPT_REG(0x0000)
+#define GPT_COUNT_VAL GPT_REG(0x0004)
+#define GPT_ENABLE GPT_REG(0x0008)
+#define GPT_CLEAR GPT_REG(0x000C)
+
+#define DGT_MATCH_VAL DGT_REG(0x0000)
+#define DGT_COUNT_VAL DGT_REG(0x0004)
+#define DGT_ENABLE DGT_REG(0x0008)
+#define DGT_CLEAR DGT_REG(0x000C)
+#define DGT_CLK_CTL DGT_REG(0x0010)
+
+#define HW_REVISION_NUMBER 0xABC00270
+
+#define MSM_CSR_BASE 0xC0100000
+#define MSM_GCC_BASE 0xC0182000
+
+#define MSM_SDC1_BASE 0xA0400000
+#define MSM_SDC2_BASE 0xA0500000
+#define MSM_SDC3_BASE 0xA3000000
+#define MSM_SDC4_BASE 0xA3100000
+
+#define MSM_SHARED_BASE 0x00100000
+#define MSM_CLK_CTL_BASE 0xAB800000
+#define MSM_CLK_CTL_SH2_BASE 0xABA01000
+
+#define REG_BASE(off) (MSM_CLK_CTL_BASE + (off))
+#define REG_SH2_BASE(off) (MSM_CLK_CTL_SH2_BASE + (off))
+
+#define SCSS_CLK_CTL 0xC0101004
+#define SCSS_CLK_SEL 0xC0101008
+
+#define MSM_USB_BASE 0xA3600000
+#define MSM_CRYPTO_BASE 0xA8400000
+
+#define SH2_USBH_MD_REG REG_SH2_BASE(0x2BC)
+#define SH2_USBH_NS_REG REG_SH2_BASE(0x2C0)
+
+#define SH2_MDP_NS_REG REG_SH2_BASE(0x14C)
+#define SH2_MDP_LCDC_MD_REG REG_SH2_BASE(0x38C)
+#define SH2_MDP_LCDC_NS_REG REG_SH2_BASE(0x390)
+#define SH2_MDP_VSYNC_REG REG_SH2_BASE(0x460)
+#define SH2_PMDH_NS_REG REG_SH2_BASE(0x8C)
+
+#define SH2_GLBL_CLK_ENA_SC REG_SH2_BASE(0x3BC)
+#define SH2_GLBL_CLK_ENA_2_SC REG_SH2_BASE(0x3C0)
+
+#define SH2_OWN_ROW1_BASE_REG REG_BASE(0x041C)
+#define SH2_OWN_ROW2_BASE_REG REG_BASE(0x0424)
+#define SH2_OWN_APPS2_BASE_REG REG_BASE(0x0414)
+
+#define MSM_ADM_BASE 0xAC200000
+#define MSM_ADM_SD_OFFSET 0x00100400
+
+#define MSM_SAW_BASE 0xC0102000
+
+#define PLL_ENA_REG REG_SH2_BASE(0x0264)
+#define PLL2_STATUS_BASE_REG REG_BASE(0x0350)
+#define PLL2_L_VAL_ADDR REG_BASE(0x033C)
+#endif
diff --git a/arch/arm/include/asm/arch-msm7630/proc_comm.h b/arch/arm/include/asm/arch-msm7630/proc_comm.h
new file mode 100644
index 0000000..3df08b9
--- /dev/null
+++ b/arch/arm/include/asm/arch-msm7630/proc_comm.h
@@ -0,0 +1,42 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __PROC_COMM_H_
+#define __PROC_COMM_H_
+
+void usb_clock_init(void);
+void lcdc_clock_init(unsigned rate);
+void mdp_clock_init(unsigned rate);
+void uart3_clock_init(void);
+void uart2_clock_init(void);
+void uart1_clock_init(void);
+void mddi_clock_init(unsigned num, unsigned rate);
+void reboot(unsigned reboot_reason);
+int mmc_clock_enable_disable(unsigned id, unsigned enable);
+int mmc_clock_set_rate(unsigned id, unsigned rate);
+int mmc_clock_get_rate(unsigned id);
+int gpio_tlmm_config(unsigned config, unsigned disable);
+int vreg_set_level(unsigned id, unsigned mv);
+int vreg_enable(unsigned id);
+int vreg_disable(unsigned id);
+
+#endif
+
+
diff --git a/arch/arm/include/asm/arch-msm7630/sys_proto.h b/arch/arm/include/asm/arch-msm7630/sys_proto.h
new file mode 100644
index 0000000..c679d92
--- /dev/null
+++ b/arch/arm/include/asm/arch-msm7630/sys_proto.h
@@ -0,0 +1,29 @@
+/*
+ * (C) Copyright 2012
+ * LARSEN & TOUBRO INFOTECH LTD <www.lntinfotech.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+void pll8_enable(void);
+void clock_init(void);
+void __cpu_early_init(void);
+
+#endif
+
--
1.7.1
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