Hi Albert,

On Fri, 19 Oct 2012 21:23:28 +0200, Albert ARIBAUD albert.u.boot@aribaud.net wrote:

Hi Srikanth,

On Thu, 10 May 2012 12:55:20 +0530, srikanth.reddy@lntinfotech.com wrote:

...

From: Srikanth Reddy Vintha srikanth.reddy@lntinfotech.com

• Support for msm7x27a SOC

Signed-off-by: Srikanth Reddy Vintha srikanth.reddy@lntinfotech.com

arch/arm/cpu/armv7/msm7x27a/Makefile | 53 ++++ arch/arm/cpu/armv7/msm7x27a/acpuclock.c | 249 +++++++++++++++ arch/arm/cpu/armv7/msm7x27a/board.c | 66 ++++ arch/arm/cpu/armv7/msm7x27a/config.mk | 21 ++ arch/arm/cpu/armv7/msm7x27a/gpio.c | 284 +++++++++++++++++ arch/arm/cpu/armv7/msm7x27a/lowlevel_init.S | 118 +++++++ arch/arm/cpu/armv7/msm7x27a/timer.c | 127 ++++++++ arch/arm/include/asm/arch-msm7x27a/gpio.h | 47 +++ arch/arm/include/asm/arch-msm7x27a/iomap.h | 105 +++++++ arch/arm/include/asm/arch-msm7x27a/mmc.h | 399 ++++++++++++++++++++++++ arch/arm/include/asm/arch-msm7x27a/proc_comm.h | 42 +++ arch/arm/include/asm/arch-msm7x27a/sys_proto.h | 27 ++ 12 files changed, 1538 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/armv7/msm7x27a/Makefile create mode 100644 arch/arm/cpu/armv7/msm7x27a/acpuclock.c create mode 100644 arch/arm/cpu/armv7/msm7x27a/board.c create mode 100644 arch/arm/cpu/armv7/msm7x27a/config.mk create mode 100644 arch/arm/cpu/armv7/msm7x27a/gpio.c create mode 100644 arch/arm/cpu/armv7/msm7x27a/lowlevel_init.S create mode 100644 arch/arm/cpu/armv7/msm7x27a/timer.c create mode 100644 arch/arm/include/asm/arch-msm7x27a/gpio.h create mode 100644 arch/arm/include/asm/arch-msm7x27a/iomap.h create mode 100644 arch/arm/include/asm/arch-msm7x27a/mmc.h create mode 100644 arch/arm/include/asm/arch-msm7x27a/proc_comm.h create mode 100644 arch/arm/include/asm/arch-msm7x27a/sys_proto.h

diff --git a/arch/arm/cpu/armv7/msm7x27a/Makefile b/arch/arm/cpu/armv7/msm7x27a/Makefile new file mode 100644 index 0000000..5f493d7 --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/Makefile @@ -0,0 +1,53 @@ +# +# (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@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 $(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/msm7x27a/acpuclock.c b/arch/arm/cpu/armv7/msm7x27a/acpuclock.c new file mode 100644 index 0000000..7f46d18 --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/acpuclock.c @@ -0,0 +1,249 @@ +/*

• • (C) Copyright 2012
• • Larsen & Toubro Infotech Ltd. <www.lntinfotech.com>
• • Copyright (c) 2008, Google Inc.
• • All rights reserved.
• • Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
• • Redistribution and use in source and binary forms, with or without
• • modification, are permitted provided that the following conditions
• • are met:
• • • Redistributions of source code must retain the above copyright
• • notice, this list of conditions and the following disclaimer.
• • • Redistributions in binary form must reproduce the above copyright
• • notice, this list of conditions and the following disclaimer in
• • the documentation and/or other materials provided with the
• • distribution.
• • THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
• • "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
• • LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
• • FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
• • COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
• • INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
• • BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
• • OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
• • AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
• • OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
• • OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
• • SUCH DAMAGE.
• */

+#include <asm/arch/iomap.h> +#include <asm/io.h> +#include <common.h> +#include <asm/arch/mmc.h> +#include <asm/arch/proc_comm.h>

+#define BIT(x) (1 << (x))

+#define A11S_CLK_CNTL_ADDR (MSM_CSR_BASE + 0x100) +#define A11S_CLK_SEL_ADDR (MSM_CSR_BASE + 0x104) +#define VDD_SVS_PLEVEL_ADDR (MSM_CSR_BASE + 0x124)

+#define PLL2_MODE_ADDR (MSM_CLK_CTL_BASE + 0x338) +#define PLL4_MODE_ADDR (MSM_CLK_CTL_BASE + 0x374)

+#define PLL_RESET_N BIT(2) +#define PLL_BYPASSNL BIT(1) +#define PLL_OUTCTRL BIT(0)

+#define SRC_SEL_TCX0 0 /* TCXO */ +#define SRC_SEL_PLL1 1 /* PLL1: modem_pll */ +#define SRC_SEL_PLL2 2 /* PLL2: backup_pll_0 */ +#define SRC_SEL_PLL3 3 /* PLL3: backup_pll_1 */ +#define SRC_SEL_PLL4 6 /* PLL4: sparrow_pll */

+#define DIV_1 0 +#define DIV_2 1 +#define DIV_3 2 +#define DIV_4 3 +#define DIV_5 4 +#define DIV_6 5 +#define DIV_7 6 +#define DIV_8 7 +#define DIV_9 8 +#define DIV_10 9 +#define DIV_11 10 +#define DIV_12 11 +#define DIV_13 12 +#define DIV_14 13 +#define DIV_15 14 +#define DIV_16 15

+#define WAIT_CNT 100 +#define VDD_LEVEL 7 +#define MIN_AXI_HZ 120000000 +#define ACPU_800MHZ 41

+#define A11S_CLK_SEL_MASK 0x7 /* bits 2:0 */

+/* The stepping frequencies have been choosen to make sure the step

• • is <= 256 MHz for both 7x27a and 7x25a targets. The
• • table also assumes the ACPU is running at TCXO freq and AHB div is
• • set to DIV_1.
• • To use the tables:
• • • Start at location 0/1 depending on clock source sel bit.
• • • Set values till end of table skipping every other entry.
• • • When you reach the end of the table, you are done scaling.
• */

+uint32_t const clk_cntl_reg_val_7627A[] = {

• (WAIT_CNT << 16) | (SRC_SEL_PLL2 << 4) | DIV_16,
• (WAIT_CNT << 16) | (SRC_SEL_PLL2 << 12) | (DIV_8 << 8),
• (WAIT_CNT << 16) | (SRC_SEL_PLL2 << 4) | DIV_4,
• (WAIT_CNT << 16) | (SRC_SEL_PLL2 << 12) | (DIV_2 << 8),
• /* TODO: Fix it for 800MHz */

Be more precise for this TODO: what should be fixed and why?

...

+#if 0

• (WAIT_CNT << 16) | (SRC_SEL_PLL4 << 4) | DIV_1,

+#endif

No dead code please.

...

+};

+/* Using DIV_1 for all cases to avoid worrying about turbo vs. normal

• • mode. Able to use DIV_1 for all steps because it's the largest AND
• • the final value. */

+uint32_t const clk_sel_reg_val[] = {

• DIV_1 << 1 | 1, /* Switch to src1 */
• DIV_1 << 1 | 0, /* Switch to src0 */

+};

+/*

• • Mask to make sure current selected src frequency doesn't change.
• */

+uint32_t const clk_cntl_mask[] = {

• 0x0000FF00, /* Mask to read src0 */
• 0x000000FF /* Mask to read src1 */

+};

+/* 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

+}; +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 pll_enable(void *pll_mode_addr) +{

• uint32_t nVal;
• /* Check status */
• nVal = readl(pll_mode_addr);
• if (nVal & PLL_OUTCTRL)

• return;
  

• /* Put the PLL in reset mode */
• nVal = 0;
• nVal &= ~PLL_RESET_N;
• nVal &= ~PLL_BYPASSNL;
• nVal &= ~PLL_OUTCTRL;
• writel(nVal, pll_mode_addr);
• /* Put the PLL in warm-up mode */
• nVal |= PLL_RESET_N;
• nVal |= PLL_BYPASSNL;
• writel(nVal, pll_mode_addr);
• /* Wait for the PLL warm-up time */
• udelay(50);
• /* Put the PLL in active mode */
• nVal |= PLL_RESET_N;
• nVal |= PLL_BYPASSNL;
• nVal |= PLL_OUTCTRL;
• writel(nVal, pll_mode_addr);

+}

+void pll_request(unsigned pll, unsigned enable) +{

• if (!enable) {

• /* Disable not supported */
  

• return;
  

• }
• switch (pll) {
• case 2:

• pll_enable((void *)PLL2_MODE_ADDR);
  

• return;
  

• case 4:

• pll_enable((void *)PLL4_MODE_ADDR);
  

• return;
  

• default:

• return;
  

• };

+}

+void acpu_clock_init(void) +{

• uint32_t i;
• uint32_t val;
• uint32_t size;
• /* Increase VDD level to the final value. */
• writel((1 << 7) | (VDD_LEVEL << 3), VDD_SVS_PLEVEL_ADDR);
• udelay(1000);
• const uint32_t *clk_cntl_reg_val = clk_cntl_reg_val_7627A;
• size = ARRAY_SIZE(clk_cntl_reg_val_7627A);
• pll_request(2, 1);
• /* Read clock source select bit. */
• val = readl(A11S_CLK_SEL_ADDR);
• i = val & 1;
• /* Jump into table and set every entry. */
• for (; i < size; i++) {

• val = readl(A11S_CLK_CNTL_ADDR);
  

• /* Make sure not to disturb already used src */
  

• val &= clk_cntl_mask[i%2];
  

• val += clk_cntl_reg_val[i];
  

• writel(val, A11S_CLK_CNTL_ADDR);
  

• /* Would need a dmb() here but the whole address space is
  

•  * strongly ordered, so it should be fine.
  

•  */
  

• val = readl(A11S_CLK_SEL_ADDR);
  

• val &= ~(A11S_CLK_SEL_MASK);
  

• val |= (A11S_CLK_SEL_MASK & clk_sel_reg_val[i%2]);
  

• writel(val, A11S_CLK_SEL_ADDR);
  

• udelay(1000);
  

• }

+}

+#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/msm7x27a/board.c b/arch/arm/cpu/armv7/msm7x27a/board.c new file mode 100644 index 0000000..46fc2ea --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/board.c @@ -0,0 +1,66 @@ +/*

• • (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) +{

• /*TODO: Memory size will change for booting kernel*/
• gd->ram_size = 0x00100000;
• return 0;

+}

+void dram_init_banksize(void) +{

• /* TODO: Memory layout will change for booting kernel

• * This is intial bring up setup
  

Typo ("initial")

...

• */
  

• gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
• gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;

+} +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{

• printf("Board: %s\n", sysinfo.board_string);
• return 0;

+} +#endif /* CONFIG_DISPLAY_BOARDINFO */

+#ifdef CONFIG_ARCH_CPU_INIT +int arch_cpu_init() +{

• __cpu_early_init();
• return 0;

+} +#endif diff --git a/arch/arm/cpu/armv7/msm7x27a/config.mk b/arch/arm/cpu/armv7/msm7x27a/config.mk new file mode 100644 index 0000000..f350c2b --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/config.mk @@ -0,0 +1,21 @@ +# +# (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 +# +#

+PLATFORM_CPPFLAGS += -march=armv7-a

This is already under armv7-a. Why do you need to set march again?

...

diff --git a/arch/arm/cpu/armv7/msm7x27a/gpio.c b/arch/arm/cpu/armv7/msm7x27a/gpio.c new file mode 100644 index 0000000..aaa8a9f --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/gpio.c @@ -0,0 +1,284 @@ +/*

• • (C) Copyright 2012
• • Larsen & Toubro Infotech Ltd. <www.lntinfotech.com>
• • Copyright (c) 2008, Google Inc.
• • All rights reserved.
• • Redistribution and use in source and binary forms, with or without
• • modification, are permitted provided that the following conditions
• • are met:
• • • Redistributions of source code must retain the above copyright
• • notice, this list of conditions and the following disclaimer.
• • • Redistributions in binary form must reproduce the above copyright
• • notice, this list of conditions and the following disclaimer in
• • the documentation and/or other materials provided with the
• • distribution.

Worrying notice; not sure it is GPLv2 compatible.

...

• • THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
• • "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
• • LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
• • FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
• • COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
• • INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
• • BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
• • OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
• • AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
• • OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
• • OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
• • SUCH DAMAGE.
• */

+#include <common.h> +#include <asm/io.h> +#include <asm/arch/iomap.h> +#include <asm/arch/gpio.h> +#include <asm/arch/proc_comm.h>

+#define GPIO1_REG(off) (MSM_GPIO1_BASE + 0x800 + (off)) +#define GPIO2_REG(off) (MSM_GPIO2_BASE + 0xC00 + (off))

+/* output value */ +#define GPIO_OUT_0 GPIO1_REG(0x00) /* gpio 15-0 */ +#define GPIO_OUT_1 GPIO2_REG(0x00) /* gpio 42-16 */ +#define GPIO_OUT_2 GPIO1_REG(0x04) /* gpio 67-43 */ +#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 132-107 */

+/* 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)

+/* 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)

+/* 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)

+/* 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)

+/* 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)

+/* 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)

+/* 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)

+typedef struct gpioregs gpioregs;

+struct gpioregs {

• unsigned out;
• unsigned in;
• unsigned int_status;
• unsigned int_clear;
• unsigned int_en;
• unsigned int_edge;
• unsigned int_pos;
• unsigned oe;

+};

+static 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,
  

• },

+};

+static gpioregs *find_gpio(unsigned n, unsigned *bit) +{

• if (n > 132)

• return 0;
  

• 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 > 42) {

• *bit = 1 << (n - 43);
  

• 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) +{

• 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) +{

• 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) +{

• gpioregs *r;
• unsigned b;
• r = find_gpio(n, &b);
• if (r == 0)

• return 0;
  

• return (readl(r->in) & b) ? 1 : 0;

+}

+#if 0

No dead code, please.

...

+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;

+} +#endif

diff --git a/arch/arm/cpu/armv7/msm7x27a/lowlevel_init.S b/arch/arm/cpu/armv7/msm7x27a/lowlevel_init.S new file mode 100644 index 0000000..e6c4ac1 --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/lowlevel_init.S @@ -0,0 +1,118 @@ +/*

• • (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

If those are instructions, they should be expressed as such. And if you need to express them in numerical form, then do not use byte values, use halfwords (if Thumb) or words (if ARM)

...

+_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 __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
  

• //; 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
• //; Initialize ADFSR to zero
• mcr p15, 0, r0, c5, c1, 0 //; ADFSR r0
• //; Ensure the MCR's above have completed their operation before
• //; continuing
• DSB
• ISB
• //;-------------------------------------------------------------------
• //; 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
• //;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:

• //; 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:

• ISB
• pop {r5-r12,pc}

+.ltorg diff --git a/arch/arm/cpu/armv7/msm7x27a/timer.c b/arch/arm/cpu/armv7/msm7x27a/timer.c new file mode 100644 index 0000000..0eb4ece --- /dev/null +++ b/arch/arm/cpu/armv7/msm7x27a/timer.c @@ -0,0 +1,127 @@ +/*

• • (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@ti.com
• • Syed Moahmmed Khasim khasim@ti.com
• • (C) Copyright 2002
• • Sysgo Real-Time Solutions, GmbH <www.elinos.com>
• • Marius Groeger mgroeger@sysgo.de
• • Alex Zuepke azu@sysgo.de
• • (C) Copyright 2002
• • Gary Jennejohn, DENX Software Engineering, garyj@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 <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) +{

• writel(0, DGT_ENABLE);
• return 0;

+} +/* timer without interrupts */ +ulong get_timer(ulong base) +{

• return get_timer_masked() - base;

+}

+/* delay x useconds */ +void __udelay(unsigned long usec) +{

• unsigned int val;
• usec = (usec * 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 < usec) ;
• writel(0, GPT_ENABLE);
• writel(0, GPT_CLEAR);

+}

+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 CONFIG_SYS_HZ;

+} diff --git a/arch/arm/include/asm/arch-msm7x27a/gpio.h b/arch/arm/include/asm/arch-msm7x27a/gpio.h new file mode 100644 index 0000000..ca8c4af --- /dev/null +++ b/arch/arm/include/asm/arch-msm7x27a/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-msm7x27a/iomap.h b/arch/arm/include/asm/arch-msm7x27a/iomap.h new file mode 100644 index 0000000..4c9d434 --- /dev/null +++ b/arch/arm/include/asm/arch-msm7x27a/iomap.h @@ -0,0 +1,105 @@ +/*

• • (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 _PLATFORM_MSM7627A_IOMAP_H_ +#define _PLATFORM_MSM7627A_IOMAP_H_

+#define MSM_GPIO1_BASE 0xA9200000 +#define MSM_GPIO2_BASE 0xA9300000

+#define MSM_UART1_BASE 0xA9A00000 +#define MSM_UART2_BASE 0xA9B00000 +#define MSM_UART3_BASE 0xA9C00000

+#define MSM_VIC_BASE 0xC0000000 +#define MSM_GPT_BASE 0xC0100000

+#define GPT_REG(off) (MSM_GPT_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 GPT_REG(0x0010) +#define DGT_COUNT_VAL GPT_REG(0x0014) +#define DGT_ENABLE GPT_REG(0x0018) +#define DGT_CLEAR GPT_REG(0x001C) +#define SPSS_TIMER_STATUS GPT_REG(0x0034)

+#define MSM_CSR_BASE 0xC0100000 +#define MSM_CLK_CTL_BASE 0xA8600000

+#define MSM_SHARED_BASE 0x00100000

+#define MSM_SDC1_BASE 0xA0400000 +#define MSM_SDC3_BASE 0xA0600000

+#define MIPI_DSI_BASE (0xA1100000) +#define DSI_PHY_SW_RESET (0xA1100128) +#define REG_DSI(off) (MIPI_DSI_BASE + (off)) +#define MDP_BASE (0xAA200000) +#define REG_MDP(off) (MDP_BASE + (off)) +#define DSIPHY_REGULATOR_BASE (0x2CC) +#define DSIPHY_TIMING_BASE (0x260) +#define DSIPHY_CTRL_BASE (0x290) +#define DSIPHY_PLL_BASE (0x200) +#define DSIPHY_STRENGTH_BASE (0x2A0)

+/* Range 0 - 4 */ +#define DSIPHY_REGULATOR_CTRL(x) REG_DSI(DSIPHY_REGULATOR_BASE + (x) * 4) +/* Range 0 - 11 */ +#define DSIPHY_TIMING_CTRL(x) REG_DSI(DSIPHY_TIMING_BASE + (x) * 4) +/* Range 0 - 3 */ +#define DSIPHY_CTRL(x) REG_DSI(DSIPHY_CTRL_BASE + (x) * 4) +/* Range 0 - 2 */ +#define DSIPHY_STRENGTH_CTRL(x) REG_DSI(DSIPHY_STRENGTH_BASE + (x) * 4) +/* Range 0 - 19 */ +#define DSIPHY_PLL_CTRL(x) REG_DSI(DSIPHY_PLL_BASE + (x) * 4)

+#define MDP_DMA_P_CONFIG (0xAA290000) +#define MDP_DMA_P_OUT_XY (0xAA290010) +#define MDP_DMA_P_SIZE (0xAA290004) +#define MDP_DMA_P_BUF_ADDR (0xAA290008) +#define MDP_DMA_P_BUF_Y_STRIDE (0xAA29000C)

+#define MDP_DSI_VIDEO_EN (0xAA2F0000) +#define MDP_DSI_VIDEO_HSYNC_CTL (0xAA2F0004) +#define MDP_DSI_VIDEO_VSYNC_PERIOD (0xAA2F0008) +#define MDP_DSI_VIDEO_VSYNC_PULSE_WIDTH (0xAA2F000C) +#define MDP_DSI_VIDEO_DISPLAY_HCTL (0xAA2F0010) +#define MDP_DSI_VIDEO_DISPLAY_V_START (0xAA2F0014) +#define MDP_DSI_VIDEO_DISPLAY_V_END (0xAA2F0018) +#define MDP_DSI_VIDEO_BORDER_CLR (0xAA2F0028) +#define MDP_DSI_VIDEO_HSYNC_SKEW (0xAA2F0030) +#define MDP_DSI_VIDEO_CTL_POLARITY (0xAA2F0038) +#define MDP_DSI_VIDEO_TEST_CTL (0xAA2F0034)

+#define MDP_DMA_P_START REG_MDP(0x0000C) +#define MDP_DMA_S_START REG_MDP(0x00010) +#define MDP_DISP_INTF_SEL REG_MDP(0x00038) +#define MDP_MAX_RD_PENDING_CMD_CONFIG REG_MDP(0x0004C) +#define MDP_INTR_ENABLE REG_MDP(0x00020) +#define MDP_INTR_CLEAR REG_MDP(0x00028) +#define MDP_DSI_CMD_MODE_ID_MAP REG_MDP(0x000A0) +#define MDP_DSI_CMD_MODE_TRIGGER_EN REG_MDP(0x000A4)

+#define MDP_TEST_MODE_CLK REG_MDP(0xF0000) +#define MDP_INTR_STATUS REG_MDP(0x00054) +#endif diff --git a/arch/arm/include/asm/arch-msm7x27a/mmc.h b/arch/arm/include/asm/arch-msm7x27a/mmc.h new file mode 100644 index 0000000..15a8cd4 --- /dev/null +++ b/arch/arm/include/asm/arch-msm7x27a/mmc.h @@ -0,0 +1,399 @@ +/*

• • (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 __MMC_H__ +#define __MMC_H__

+#ifndef MMC_SLOT +#define MMC_SLOT 0 +#endif

+#include <common.h> +#include <part.h> +#include <mmc.h>

+/*

• • Define Macros for SDCC Registers
• */

+/* 8 bit */ +#define MMC_BOOT_MCI_POWER 0x000

+/* MCICMD output control - 6th bit */ +#ifdef PLATFORM_MSM7X30 +#define MMC_BOOT_MCI_OPEN_DRAIN (1 << 6) +#define MMC_BOOT_MCI_PWR_OFF 0x00 +#define MMC_BOOT_MCI_PWR_UP 0x01 +#define MMC_BOOT_MCI_PWR_ON 0x01 +#else +#define MMC_BOOT_MCI_OPEN_DRAIN (1 << 6) +#define MMC_BOOT_MCI_PWR_OFF 0x00 +#define MMC_BOOT_MCI_PWR_UP 0x02 +#define MMC_BOOT_MCI_PWR_ON 0x03 +#endif

+/* 16 bits */ +#define MMC_BOOT_MCI_CLK 0x004 +/* Enable MCI bus clock - 0: clock disabled 1: enabled */ +#define MMC_BOOT_MCI_CLK_ENABLE (1 << 8) +/* Disable clk o/p when bus idle- 0:always enabled 1:enabled when bus active */ +#define MMC_BOOT_MCI_CLK_PWRSAVE (1 << 9) +/* Enable Widebus mode - 00: 1 bit mode 10:4 bit mode 01/11: 8 bit mode */ +#define MMC_BOOT_MCI_CLK_WIDEBUS_MODE (3 << 10) +#define MMC_BOOT_MCI_CLK_WIDEBUS_1_BIT 0 +#define MMC_BOOT_MCI_CLK_WIDEBUS_4_BIT (2 << 10) +#define MMC_BOOT_MCI_CLK_WIDEBUS_8_BIT (1 << 10) +/* Enable flow control- 0: disable 1: enable */ +#define MMC_BOOT_MCI_CLK_ENA_FLOW (1 << 12) +/* Set/clear to select rising/falling edge for data/cmd output */ +#define MMC_BOOT_MCI_CLK_INVERT_OUT (1 << 13) +/* Select to lach data/cmd coming in falling/rising/feedbk/loopbk of MCIclk */ +#define MMC_BOOT_MCI_CLK_IN_FALLING 0x0 +#define MMC_BOOT_MCI_CLK_IN_RISING (1 << 14) +#define MMC_BOOT_MCI_CLK_IN_FEEDBACK (2 << 14) +#define MMC_BOOT_MCI_CLK_IN_LOOPBACK (3 << 14)

+/* Bus Width */ +#define MMC_BOOT_BUS_WIDTH_1_BIT 0 +#define MMC_BOOT_BUS_WIDTH_4_BIT 2 +#define MMC_BOOT_BUS_WIDTH_8_BIT 3

+/* 32 bits */ +#define MMC_BOOT_MCI_ARGUMENT 0x008

+/* 16 bits */ +#define MMC_BOOT_MCI_CMD 0x00C +/* Command Index: 0 -5 */ +/* Waits for response if set */ +#define MMC_BOOT_MCI_CMD_RESPONSE (1 << 6) +/* Receives a 136-bit long response if set */ +#define MMC_BOOT_MCI_CMD_LONGRSP (1 << 7) +/* If set, CPSM disables command timer and waits for interrupt */ +#define MMC_BOOT_MCI_CMD_INTERRUPT (1 << 8) +/* If set waits for CmdPend before starting to send a command */ +#define MMC_BOOT_MCI_CMD_PENDING (1 << 9) +/* CPSM is enabled if set */ +#define MMC_BOOT_MCI_CMD_ENABLE (1 << 10) +/* If set PROG_DONE status bit asserted when busy is de-asserted */ +#define MMC_BOOT_MCI_CMD_PROG_ENA (1 << 11) +/* To indicate that this is a Command with Data (for SDIO interrupts) */ +#define MMC_BOOT_MCI_CMD_DAT_CMD (1 << 12) +/* Signals the next command to be an abort (stop) command. Always read 0 */ +#define MMC_BOOT_MCI_CMD_MCIABORT (1 << 13) +/* Waits for Command Completion Signal if set */ +#define MMC_BOOT_MCI_CMD_CCS_ENABLE (1 << 14) +/* If set sends CCS disable sequence */ +#define MMC_BOOT_MCI_CMD_CCS_DISABLE (1 << 15)

+#define MMC_BOOT_MCI_RESP_CMD 0x010

+#define MMC_BOOT_MCI_RESP_0 0x014 +#define MMC_BOOT_MCI_RESP_1 0x018 +#define MMC_BOOT_MCI_RESP_2 0x01C +#define MMC_BOOT_MCI_RESP_3 0x020

+#define MMC_BOOT_MCI_DATA_TIMER 0x024 +#define MMC_BOOT_MCI_DATA_LENGTH 0x028 +/* 16 bits */ +#define MMC_BOOT_MCI_DATA_CTL 0x02C +/* Data transfer enabled */ +#define MMC_BOOT_MCI_DATA_ENABLE (1 << 0) +/* Data transfer direction - 0: controller to card 1:card to controller */ +#define MMC_BOOT_MCI_DATA_DIR (1 << 1) +/* Data transfer mode - 0: block data transfer 1: stream data transfer */ +#define MMC_BOOT_MCI_DATA_MODE (1 << 2) +/* Enable DM interface - 0: DM disabled 1: DM enabled */ +#define MMC_BOOT_MCI_DATA_DM_ENABLE (1 << 3) +/* Data block length in bytes (1-4096) */ +#define MMC_BOOT_MCI_BLKSIZE_POS 4 +#define MMC_BOOT_MCI_DATA_COUNT 0x030 +#define MMC_BOOT_MCI_STATUS 0x034 +/* Command response received - CRC check failed */ +#define MMC_BOOT_MCI_STAT_CMD_CRC_FAIL (1 << 0) +/* Data block sent/received - CRC check failed */ +#define MMC_BOOT_MCI_STAT_DATA_CRC_FAIL (1 << 1) +/* Command resonse timeout */ +#define MMC_BOOT_MCI_STAT_CMD_TIMEOUT (1 << 2) +/* Data timeout */ +#define MMC_BOOT_MCI_STAT_DATA_TIMEOUT (1 << 3) +/* Transmit FIFO underrun error */ +#define MMC_BOOT_MCI_STAT_TX_UNDRUN (1 << 4) +/* Receive FIFO overrun error */ +#define MMC_BOOT_MCI_STAT_RX_OVRRUN (1 << 5) +/* Command response received - CRC check passed */ +#define MMC_BOOT_MCI_STAT_CMD_RESP_END (1 << 6) +/* Command sent - no response required */ +#define MMC_BOOT_MCI_STAT_CMD_SENT (1 << 7) +/* Data end - data counter zero */ +#define MMC_BOOT_MCI_STAT_DATA_END (1 << 8) +/* Start bit not detected on all data signals in wide bus mode */ +#define MMC_BOOT_MCI_STAT_START_BIT_ERR (1 << 9) +/* Data block sent/received - CRC check passed */ +#define MMC_BOOT_MCI_STAT_DATA_BLK_END (1 << 10) +/* Command transfer in progress */ +#define MMC_BOOT_MCI_STAT_CMD_ACTIVE (1 << 11) +/* Data transmit in progress */ +#define MMC_BOOT_MCI_STAT_TX_ACTIVE (1 << 12) +/* Data receive in progress */ +#define MMC_BOOT_MCI_STAT_RX_ACTIVE (1 << 13) +/* Transmit FIFO half full */ +#define MMC_BOOT_MCI_STAT_TX_FIFO_HFULL (1 << 14) +/* Receive FIFO half full */ +#define MMC_BOOT_MCI_STAT_RX_FIFO_HFULL (1 << 15) +/* Transmit FIFO full */ +#define MMC_BOOT_MCI_STAT_TX_FIFO_FULL (1 << 16) +/* Receive FIFO full */ +#define MMC_BOOT_MCI_STAT_RX_FIFO_FULL (1 << 17) +/* Transmit FIFO empty */ +#define MMC_BOOT_MCI_STAT_TX_FIFO_EMPTY (1 << 18) +/* Receive FIFO empty */ +#define MMC_BOOT_MCI_STAT_RX_FIFO_EMPTY (1 << 19) +/* Data available in transmit FIFO */ +#define MMC_BOOT_MCI_STAT_TX_DATA_AVLBL (1 << 20) +/* Data available in receive FIFO */ +#define MMC_BOOT_MCI_STAT_RX_DATA_AVLBL (1 << 21) +/* SDIO interrupt indicator for wake-up */ +#define MMC_BOOT_MCI_STAT_SDIO_INTR (1 << 22) +/* Programming done */ +#define MMC_BOOT_MCI_STAT_PROG_DONE (1 << 23) +/* CE-ATA command completion signal detected */ +#define MMC_BOOT_MCI_STAT_ATA_CMD_CMPL (1 << 24) +/* SDIO interrupt indicator for normal operation */ +#define MMC_BOOT_MCI_STAT_SDIO_INTR_OP (1 << 25) +/* Commpand completion signal timeout */ +#define MMC_BOOT_MCI_STAT_CCS_TIMEOUT (1 << 26)

+#define MMC_BOOT_MCI_STATIC_STATUS (MMC_BOOT_MCI_STAT_CMD_CRC_FAIL| \

• MMC_BOOT_MCI_STAT_DATA_CRC_FAIL| \
  

• MMC_BOOT_MCI_STAT_CMD_TIMEOUT| \
  

• MMC_BOOT_MCI_STAT_DATA_TIMEOUT| \
  

• MMC_BOOT_MCI_STAT_TX_UNDRUN| \
  

• MMC_BOOT_MCI_STAT_RX_OVRRUN| \
  

• MMC_BOOT_MCI_STAT_CMD_RESP_END| \
  

• MMC_BOOT_MCI_STAT_CMD_SENT| \
  

• MMC_BOOT_MCI_STAT_DATA_END| \
  

• MMC_BOOT_MCI_STAT_START_BIT_ERR| \
  

• MMC_BOOT_MCI_STAT_DATA_BLK_END| \
  

• MMC_BOOT_MCI_SDIO_INTR_CLR| \
  

• MMC_BOOT_MCI_STAT_PROG_DONE| \
  

• MMC_BOOT_MCI_STAT_ATA_CMD_CMPL |\
  

• MMC_BOOT_MCI_STAT_CCS_TIMEOUT)
  

+#define MMC_BOOT_MCI_CLEAR 0x038 +#define MMC_BOOT_MCI_CMD_CRC_FAIL_CLR (1 << 0) +#define MMC_BOOT_MCI_DATA_CRC_FAIL_CLR (1 << 1) +#define MMC_BOOT_MCI_CMD_TIMEOUT_CLR (1 << 2) +#define MMC_BOOT_MCI_DATA_TIMEOUT_CLR (1 << 3) +#define MMC_BOOT_MCI_TX_UNDERRUN_CLR (1 << 4) +#define MMC_BOOT_MCI_RX_OVERRUN_CLR (1 << 5) +#define MMC_BOOT_MCI_CMD_RESP_END_CLR (1 << 6) +#define MMC_BOOT_MCI_CMD_SENT_CLR (1 << 7) +#define MMC_BOOT_MCI_DATA_END_CLR (1 << 8) +#define MMC_BOOT_MCI_START_BIT_ERR_CLR (1 << 9) +#define MMC_BOOT_MCI_DATA_BLK_END_CLR (1 << 10) +#define MMC_BOOT_MCI_SDIO_INTR_CLR (1 << 22) +#define MMC_BOOT_MCI_PROG_DONE_CLR (1 << 23) +#define MMC_BOOT_MCI_ATA_CMD_COMPLR_CLR (1 << 24) +#define MMC_BOOT_MCI_CCS_TIMEOUT_CLR (1 << 25)

+#define MMC_BOOT_MCI_INT_MASK0 0x03C +#define MMC_BOOT_MCI_CMD_CRC_FAIL_MASK (1 << 0) +#define MMC_BOOT_MCI_DATA_CRC_FAIL_MASK (1 << 1) +#define MMC_BOOT_MCI_CMD_TIMEOUT_MASK (1 << 2) +#define MMC_BOOT_MCI_DATA_TIMEOUT_MASK (1 << 3) +#define MMC_BOOT_MCI_TX_OVERRUN_MASK (1 << 4) +#define MMC_BOOT_MCI_RX_OVERRUN_MASK (1 << 5) +#define MMC_BOOT_MCI_CMD_RESP_END_MASK (1 << 6) +#define MMC_BOOT_MCI_CMD_SENT_MASK (1 << 7) +#define MMC_BOOT_MCI_DATA_END_MASK (1 << 8) +#define MMC_BOOT_MCI_START_BIT_ERR_MASK (1 << 9) +#define MMC_BOOT_MCI_DATA_BLK_END_MASK (1 << 10) +#define MMC_BOOT_MCI_CMD_ACTIVE_MASK (1 << 11) +#define MMC_BOOT_MCI_TX_ACTIVE_MASK (1 << 12) +#define MMC_BOOT_MCI_RX_ACTIVE_MASK (1 << 13) +#define MMC_BOOT_MCI_TX_FIFO_HFULL_MASK (1 << 14) +#define MMC_BOOT_MCI_RX_FIFO_HFULL_MASK (1 << 15) +#define MMC_BOOT_MCI_TX_FIFO_FULL_MASK (1 << 16) +#define MMC_BOOT_MCI_RX_FIFO_FULL_MASK (1 << 17) +#define MMC_BOOT_MCI_TX_FIFO_EMPTY_MASK (1 << 18) +#define MMC_BOOT_MCI_RX_FIFO_EMPTY_MASK (1 << 19) +#define MMC_BOOT_MCI_TX_DATA_AVLBL_MASK (1 << 20) +#define MMC_BOOT_MCI_RX_DATA_AVLBL_MASK (1 << 21) +#define MMC_BOOT_MCI_SDIO_INT_MASK (1 << 22) +#define MMC_BOOT_MCI_PROG_DONE_MASK (1 << 23) +#define MMC_BOOT_MCI_ATA_CMD_COMPL_MASK (1 << 24) +#define MMC_BOOT_MCI_SDIO_INT_OPER_MASK (1 << 25) +#define MMC_BOOT_MCI_CCS_TIME_OUT_MASK (1 << 26)

+#define MMC_BOOT_MCI_INT_MASK1 0x040

+#define MMC_BOOT_MCI_FIFO_COUNT 0x044

+#define MMC_BOOT_MCI_CCS_TIMER 0x0058

+#define MMC_BOOT_MCI_FIFO 0x080

+/* OCR Register */ +#define MMC_BOOT_OCR_17_19 (1 << 7) +#define MMC_BOOT_OCR_27_36 (0x1FF << 15) +#define MMC_BOOT_OCR_SEC_MODE (2 << 29) +#define MMC_BOOT_OCR_BUSY (1 << 31)

+/* Commands type */ +#define MMC_BOOT_CMD_BCAST (1 << 0) +#define MMC_BOOT_CMD_BCAST_W_RESP (1 << 1) +#define MMC_BOOT_CMD_ADDRESS (1 << 2) +#define MMC_BOOT_CMD_ADDR_DATA_XFER (1 << 3)

+/* Card Status bits (R1 register) */ +#define MMC_BOOT_R1_AKE_SEQ_ERROR (1 << 3) +#define MMC_BOOT_R1_APP_CMD (1 << 5) +#define MMC_BOOT_R1_RDY_FOR_DATA (1 << 6) +#define MMC_BOOT_R1_CURR_STATE_IDLE (0 << 9) +#define MMC_BOOT_R1_CURR_STATE_RDY (1 << 9) +#define MMC_BOOT_R1_CURR_STATE_IDENT (2 << 9) +#define MMC_BOOT_R1_CURR_STATE_STBY (3 << 9) +#define MMC_BOOT_R1_CURR_STATE_TRAN (4 << 9) +#define MMC_BOOT_R1_CURR_STATE_DATA (5 << 9) +#define MMC_BOOT_R1_CURR_STATE_RCV (6 << 9) +#define MMC_BOOT_R1_CURR_STATE_PRG (7 << 9) +#define MMC_BOOT_R1_CURR_STATE_DIS (8 << 9) +#define MMC_BOOT_R1_ERASE_RESET (1 << 13) +#define MMC_BOOT_R1_CARD_ECC_DISABLED (1 << 14) +#define MMC_BOOT_R1_WP_ERASE_SKIP (1 << 15) +#define MMC_BOOT_R1_ERROR (1 << 19) +#define MMC_BOOT_R1_CC_ERROR (1 << 20) +#define MMC_BOOT_R1_CARD_ECC_FAILED (1 << 21) +#define MMC_BOOT_R1_ILLEGAL_CMD (1 << 22) +#define MMC_BOOT_R1_COM_CRC_ERR (1 << 23) +#define MMC_BOOT_R1_LOCK_UNLOCK_FAIL (1 << 24) +#define MMC_BOOT_R1_CARD_IS_LOCKED (1 << 25) +#define MMC_BOOT_R1_WP_VIOLATION (1 << 26) +#define MMC_BOOT_R1_ERASE_PARAM (1 << 27) +#define MMC_BOOT_R1_ERASE_SEQ_ERR (1 << 28) +#define MMC_BOOT_R1_BLOCK_LEN_ERR (1 << 29) +#define MMC_BOOT_R1_ADDR_ERR (1 << 30) +#define MMC_BOOT_R1_OUT_OF_RANGE (1 << 31)

+/* Macros for Common Errors */ +#define MMC_BOOT_E_SUCCESS 0 +#define MMC_BOOT_E_FAILURE 1 +/* Not used..use instead TIMEOUT in include/mmc.h */ +#define MMC_BOOT_E_TIMEOUT 2 +#define MMC_BOOT_E_INVAL 3 +#define MMC_BOOT_E_CRC_FAIL 4 +#define MMC_BOOT_E_INIT_FAIL 5 +#define MMC_BOOT_E_CMD_INDX_MISMATCH 6 +#define MMC_BOOT_E_RESP_VERIFY_FAIL 7 +#define MMC_BOOT_E_NOT_SUPPORTED 8 +#define MMC_BOOT_E_CARD_BUSY 9 +#define MMC_BOOT_E_MEM_ALLOC_FAIL 10 +#define MMC_BOOT_E_CLK_ENABLE_FAIL 11 +#define MMC_BOOT_E_CMMC_DECODE_FAIL 12 +#define MMC_BOOT_E_CID_DECODE_FAIL 13 +#define MMC_BOOT_E_BLOCKLEN_ERR 14 +#define MMC_BOOT_E_ADDRESS_ERR 15 +#define MMC_BOOT_E_DATA_CRC_FAIL 16 +#define MMC_BOOT_E_DATA_TIMEOUT 17 +#define MMC_BOOT_E_RX_OVRRUN 18 +#define MMC_BOOT_E_VREG_SET_FAILED 19 +#define MMC_BOOT_E_GPIO_CFG_FAIL 20 +#define MMC_BOOT_E_DATA_ADM_ERR 21

+/* EXT_CSD */ +#define MMC_BOOT_ACCESS_WRITE 0x3 +#define MMC_BOOT_EXT_CMMC_HS_TIMING 185 +#define MMC_BOOT_EXT_CMMC_BUS_WIDTH 183

+#define MMC_BOOT_EXT_USER_WP 171 +#define MMC_BOOT_EXT_ERASE_GROUP_DEF 175 +#define MMC_BOOT_EXT_HC_WP_GRP_SIZE 221 +#define MMC_BOOT_EXT_HC_ERASE_GRP_SIZE 224

+#define MMC_BOOT_US_PERM_WP_EN 2 +#define MMC_BOOT_US_PWR_WP_DIS 3

+#define MMC_BOOT_US_PERM_WP_DIS (1<<4) +#define MMC_BOOT_US_PWR_WP_EN 1

+/* For SD */ +#define MMC_BOOT_SD_HC_VOLT_SUPPLIED 0x000001AA +#define MMC_BOOT_SD_NEG_OCR 0x00FF8000 +#define MMC_BOOT_SD_HC_HCS 0x40000000 +#define MMC_BOOT_SD_DEV_READY 0x80000000 +#define MMC_BOOT_SD_SWITCH_HS 0x80FFFFF1

+/* Data structure definitions */

+#define MMC_BOOT_XFER_MODE_BLOCK 0 +#define MMC_BOOT_XFER_MODE_STREAM 1 +#define MMC_BOOT_PROGRAM_ENABLED 2

+#define MMC_RCA 2

+#define MMC_BOOT_MAX_COMMAND_RETRY 1000 +#define MMC_BOOT_RD_BLOCK_LEN 512 +#define MMC_BOOT_WR_BLOCK_LEN 512

+/* We have 16 32-bits FIFO registers */ +#define MMC_BOOT_MCI_FIFO_DEPTH 16 +#define MMC_BOOT_MCI_HFIFO_COUNT (MMC_BOOT_MCI_FIFO_DEPTH / 2) +#define MMC_BOOT_MCI_FIFO_SIZE (MMC_BOOT_MCI_FIFO_DEPTH * 4)

+#define MAX_PARTITIONS 64

+#define MMC_BOOT_CHECK_PATTERN 0xAA /* 10101010b */

+#define MMC_CLK_400KHZ 400000 +#define MMC_CLK_144KHZ 144000 +#define MMC_CLK_20MHZ 20000000 +#define MMC_CLK_24MHZ 24000000 +#define MMC_CLK_25MHZ 25000000 +#define MMC_CLK_26MHZ 26000000 +#define MMC_CLK_48MHZ 48000000 +#define MMC_CLK_50MHZ 49152000 +#define MMC_CLK_52MHZ 52000000

+#define MMC_CLK_ENABLE 1 +#define MMC_CLK_DISABLE 0

+#if 0 +#define MSM_SDC1_BASE 0x12400000 +#define MSM_SDC2_BASE 0x12140000 +#define MSM_SDC3_BASE 0x12180000 +#define MSM_SDC4_BASE 0x121C0000 +#endif +struct mmc_priv {

• unsigned int instance;
• unsigned int base;
• unsigned int rd_timeout_ns; /* for read timeout */

+};

+void mmc_boot_set_ios(struct mmc *mmc); +int mmc_boot_send_command_map(struct mmc *mmc,

• 			struct mmc_cmd *cmd,
  

• 			struct mmc_data *data);
  

+unsigned long int mmc_boot_mci_reg(unsigned long base, unsigned long offset); +unsigned int mmc_boot_main(struct mmc *mmc);

+extern void clock_config_mmc(uint32_t interface, uint32_t freq); +extern void clock_init_mmc(uint32_t interface); +#endif

diff --git a/arch/arm/include/asm/arch-msm7x27a/proc_comm.h b/arch/arm/include/asm/arch-msm7x27a/proc_comm.h new file mode 100644 index 0000000..e919794 --- /dev/null +++ b/arch/arm/include/asm/arch-msm7x27a/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-msm7x27a/sys_proto.h b/arch/arm/include/asm/arch-msm7x27a/sys_proto.h new file mode 100644 index 0000000..d5d5125 --- /dev/null +++ b/arch/arm/include/asm/arch-msm7x27a/sys_proto.h @@ -0,0 +1,27 @@ +/*

• • (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

Amicalement,

Submitter seems to not work at lntinfotech.com any more: his e-mail address is rejected as unknown. Rejecting the patch; anyone wanting to revive it can give it a try if they want, taking existing comments into account.

Amicalement,