ST1.5 board support and some ST1.0/1.5 common changes.

board/chromeos_st15/board.c

+/*
+ * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * 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 <common.h>
+#include <linux/mtd/nand.h>
+#ifdef CONFIG_CMD_USB
+#include <usb.h>
+#endif
+#ifdef USE_PROC_COMM
+#include <asm/arch/proc_comm.h>
+#endif
+#include <asm/arch/memtypes.h>
+
+#ifdef CONFIG_GENERIC_MMC
+#include <mmc.h>
+#endif
+
+#ifdef CONFIG_QSD_SDCC
+#include <qsd_sdcc.h>
+#include <asm/arch/adm.h>
+
+static struct mmc mmc_1;
+static struct mmc mmc_2;
+static sdcc_params_t sdcc_1;
+static sdcc_params_t sdcc_3;
+
+#define SDCC_1_VOLTAGE_SUPPORTED 0x00FF8000;
+#define SDCC_3_VOLTAGE_SUPPORTED 0x00FF8080;
+#endif
+
+extern int timer_init(void);
+extern void scorpion_pll_init (void);
+extern void SDCn_deinit(uint32_t instance);
+
+/*
+ * Optional boot progress function.
+ */
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+void show_boot_progress(int progress)
+{
+    printf("Boot reached stage %d\n", progress);
+}
+#endif
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+    DECLARE_GLOBAL_DATA_PTR;
+
+    /* arch number of Qualcomm MSM */
+    gd->bd->bi_arch_number = LINUX_MACH_TYPE;
+
+    /* address of boot parameters */
+    gd->bd->bi_boot_params = CFG_QC_BOOT_PARAM_ADDR;
+
+    gd->flags = 0;
+
+    /* Initialize GPT timer support */
+    timer_init();
+
+    /* When released from reset, Scorpion gets its clock from the AXI bus clock.
+     * Start up the Scorpion PLL and start using it instead.
+     */
+    scorpion_pll_init();
+
+#ifdef CONFIG_SILENT_CONSOLE
+    gd->flags |= GD_FLG_SILENT;
+#endif
+
+    /*
+     * Before proceeding, wait until ARM9 has finished booting.
+     */
+#ifdef USE_PROC_COMM
+    proc_comm_init();
+    proc_comm_wait_for_modem_ready();
+#else
+
+    udelay(5000000);
+#endif
+
+#ifdef CONFIG_QSD8X50_LCDC
+    gd->fb_base = LCDC_FB_ADDR;
+#endif
+
+    return 0;
+}
+
+#ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+int overwrite_console(void)
+{
+#ifdef CONFIG_USB_KEYBOARD
+   static int usb_init_called = 0;
+#endif
+
+#ifdef CONFIG_STDERR
+   setenv("stderr", CONFIG_STDERR);
+#endif
+
+#ifdef CONFIG_STDOUT
+    setenv("stdout", CONFIG_STDOUT);
+#endif
+
+#ifdef CONFIG_STDIN
+    setenv("stdin", CONFIG_STDIN);
+#endif
+
+#if defined(CONFIG_USB_KEYBOARD) && defined(CONFIG_CMD_USB)
+    if (strcmp(CONFIG_STDIN, "usbkbd") == 0)
+    {
+        if (usb_init_called == 0)
+        {
+            usb_init_called = 1;
+            usb_stop();
+            usb_init();
+        }
+    }
+#endif /* CONFIG_USB_KEYBOARD */
+
+    return 0;
+}
+#endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */
+
+int misc_init_r (void)
+{
+    //dont checksum loaded image
+    setenv("verify", "n");
+    //dont tftp images automatically for dhcp,bootp,rarp commands
+    setenv("autoload", "no");
+        return (0);
+}
+
+/******************************
+ Routine: cleanup_platform_before_linux
+ Description: Calls various functions to deinitialize that were initialized.
+******************************/
+int cleanup_platform_before_linux(void)
+{
+    /* Defined in start.S, global to track warm booting */
+    extern ulong _warmboot;
+#ifdef CONFIG_MMC
+#ifndef CONFIG_GENERIC_MMC
+    // Cleanup SD resources if they were used
+    SDCn_deinit(SDC_INSTANCE);
+#endif
+#endif
+
+    /* Just about to boot the kernel, next power collapse should warm boot
+     * on wakeup.
+     */
+    _warmboot = CONFIG_WARMBOOT_TRUE;
+
+    return(0);
+}
+
+void board_lcd_enable(void)
+{
+    const uint  GPIO_BANK1 = 0xa9100c00;
+    const uint  GPIO_BANK7 = 0xa9000818;
+
+    uint        value = IO_READ32(GPIO_BANK1);
+
+    value |= (1 << 4) | (1 << 16);
+
+    IO_WRITE32(GPIO_BANK1, value);
+
+    value = IO_READ32(GPIO_BANK7);
+
+    value |= (1 << 2);
+
+    IO_WRITE32(GPIO_BANK7, value);
+}
+
+void board_lcd_disble(void)
+{
+}
+
+#ifdef CONFIG_QSD_SDCC
+int board_mmc_init(bd_t *bis)
+{
+    /* populate sdcc_1 struct with base addresses and other info */
+    sdcc_1.instance             = 1;
+    sdcc_1.base                 = SDC1_BASE;
+    sdcc_1.ns_addr              = SDC1_NS_REG;
+    sdcc_1.md_addr              = SDC1_MD_REG;
+    sdcc_1.row_reset_mask       = ROW_RESET__SDC1___M;
+    sdcc_1.glbl_clk_ena_mask    = GLBL_CLK_ENA__SDC1_H_CLK_ENA___M;
+    sdcc_1.adm_crci_num         = ADM_CRCI_SDC1;
+
+    /* GPIO config */
+    proc_comm_sdcard_gpio_config(1);
+
+    mmc_1.priv      = &sdcc_1;
+    mmc_1.send_cmd  = sdcc_send_cmd;
+    mmc_1.set_ios   = sdcc_set_ios;
+    mmc_1.init      = sdcc_init;
+    mmc_1.voltages  = SDCC_1_VOLTAGE_SUPPORTED ;
+    mmc_1.host_caps = MMC_MODE_4BIT | MMC_MODE_HS | MMC_MODE_HS_52MHz;
+    mmc_1.f_min     = 400000;
+    mmc_1.f_max     = MCLK_48MHz;
+    sprintf(mmc_1.name, "External_Card");
+
+
+    /* populate sdcc_3 struct with base addresses and other info */
+    sdcc_3.instance             = 3;
+    sdcc_3.base                 = SDC3_BASE;
+    sdcc_3.ns_addr              = SDC3_NS_REG;
+    sdcc_3.md_addr              = SDC3_MD_REG;
+    sdcc_3.row_reset_mask       = ROW_RESET__SDC3___M;
+    sdcc_3.glbl_clk_ena_mask    = GLBL_CLK_ENA__SDC3_H_CLK_ENA___M;
+    sdcc_3.adm_crci_num         = ADM_CRCI_SDC3;
+
+    /* GPIO config */
+    proc_comm_sdcard_gpio_config(3);
+
+    mmc_2.priv      = &sdcc_3;
+    mmc_2.send_cmd  = sdcc_send_cmd;
+    mmc_2.set_ios   = sdcc_set_ios;
+    mmc_2.init      = sdcc_init;
+    mmc_2.voltages  = SDCC_3_VOLTAGE_SUPPORTED;
+    mmc_2.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT | MMC_MODE_HS | MMC_MODE_HS_52MHz;
+    mmc_2.f_min     = 400000;
+    mmc_2.f_max     = MCLK_48MHz;
+    sprintf(mmc_2.name, "Embedded_MMC");
+
+
+    /* register our available mmc interfaces with mmc framework */
+    mmc_register(&mmc_1);
+    mmc_register(&mmc_2);
+
+    return 0;
+}
+
+int board_sdcc_init(sdcc_params_t *sd)
+{
+    if(sd->instance == 1)
+    {
+        /* Power cycle the card. */
+        proc_comm_vreg_control(PM_VREG_WLAN_ID, 2850, 0);
+        udelay(1000);
+        proc_comm_vreg_control(PM_VREG_WLAN_ID, 2850, 1);
+    }
+    else if(sd->instance == 3)
+    {
+        /* Power cycle the card. */
+        proc_comm_vreg_control(PM_VREG_WLAN_ID, 2850, 0);
+        udelay(1000);
+        proc_comm_vreg_control(PM_VREG_WLAN_ID, 2850, 1);
+    }
+    else
+    {
+        /* this board does not have an sd/mmc card on this interface. */
+        return -1;
+    }
+
+    return 0;
+}
+#endif