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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/CarMediaLab
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/CarMediaLab')
-rw-r--r--qemu/roms/u-boot/board/CarMediaLab/flea3/Makefile10
-rw-r--r--qemu/roms/u-boot/board/CarMediaLab/flea3/flea3.c278
-rw-r--r--qemu/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S25
3 files changed, 313 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/CarMediaLab/flea3/Makefile b/qemu/roms/u-boot/board/CarMediaLab/flea3/Makefile
new file mode 100644
index 000000000..f34be748c
--- /dev/null
+++ b/qemu/roms/u-boot/board/CarMediaLab/flea3/Makefile
@@ -0,0 +1,10 @@
+#
+# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+#
+# (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := flea3.o
+obj-y += lowlevel_init.o
diff --git a/qemu/roms/u-boot/board/CarMediaLab/flea3/flea3.c b/qemu/roms/u-boot/board/CarMediaLab/flea3/flea3.c
new file mode 100644
index 000000000..7f5cfc806
--- /dev/null
+++ b/qemu/roms/u-boot/board/CarMediaLab/flea3/flea3.c
@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux-mx35.h>
+#include <i2c.h>
+#include <linux/types.h>
+#include <asm/gpio.h>
+#include <asm/arch/sys_proto.h>
+#include <netdev.h>
+
+#ifndef CONFIG_BOARD_EARLY_INIT_F
+#error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
+#endif
+
+#define CCM_CCMR_CONFIG 0x003F4208
+
+#define ESDCTL_DDR2_CONFIG 0x007FFC3F
+#define ESDCTL_0x92220000 0x92220000
+#define ESDCTL_0xA2220000 0xA2220000
+#define ESDCTL_0xB2220000 0xB2220000
+#define ESDCTL_0x82228080 0x82228080
+#define ESDCTL_DDR2_EMR2 0x04000000
+#define ESDCTL_DDR2_EMR3 0x06000000
+#define ESDCTL_PRECHARGE 0x00000400
+#define ESDCTL_DDR2_EN_DLL 0x02000400
+#define ESDCTL_DDR2_RESET_DLL 0x00000333
+#define ESDCTL_DDR2_MR 0x00000233
+#define ESDCTL_DDR2_OCD_DEFAULT 0x02000780
+#define ESDCTL_DELAY_LINE5 0x00F49F00
+
+static inline void dram_wait(unsigned int count)
+{
+ volatile unsigned int wait = count;
+
+ while (wait--)
+ ;
+}
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+
+ return 0;
+}
+
+static void board_setup_sdram_bank(u32 start_address)
+
+{
+ struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
+ u32 *cfg_reg, *ctl_reg;
+ u32 val;
+
+ switch (start_address) {
+ case CSD0_BASE_ADDR:
+ cfg_reg = &esdc->esdcfg0;
+ ctl_reg = &esdc->esdctl0;
+ break;
+ case CSD1_BASE_ADDR:
+ cfg_reg = &esdc->esdcfg1;
+ ctl_reg = &esdc->esdctl1;
+ break;
+ default:
+ return;
+ }
+
+ /* Initialize MISC register for DDR2 */
+ val = ESDC_MISC_RST | ESDC_MISC_MDDR_EN | ESDC_MISC_MDDR_DL_RST |
+ ESDC_MISC_DDR_EN | ESDC_MISC_DDR2_EN;
+ writel(val, &esdc->esdmisc);
+ val &= ~(ESDC_MISC_RST | ESDC_MISC_MDDR_DL_RST);
+ writel(val, &esdc->esdmisc);
+
+ /*
+ * according to DDR2 specs, wait a while before
+ * the PRECHARGE_ALL command
+ */
+ dram_wait(0x20000);
+
+ /* Load DDR2 config and timing */
+ writel(ESDCTL_DDR2_CONFIG, cfg_reg);
+
+ /* Precharge ALL */
+ writel(ESDCTL_0x92220000,
+ ctl_reg);
+ writel(0xda, start_address + ESDCTL_PRECHARGE);
+
+ /* Load mode */
+ writel(ESDCTL_0xB2220000,
+ ctl_reg);
+ writeb(0xda, start_address + ESDCTL_DDR2_EMR2); /* EMRS2 */
+ writeb(0xda, start_address + ESDCTL_DDR2_EMR3); /* EMRS3 */
+ writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
+ writeb(0xda, start_address + ESDCTL_DDR2_RESET_DLL); /* Reset DLL */
+
+ /* Precharge ALL */
+ writel(ESDCTL_0x92220000,
+ ctl_reg);
+ writel(0xda, start_address + ESDCTL_PRECHARGE);
+
+ /* Set mode auto refresh : at least two refresh are required */
+ writel(ESDCTL_0xA2220000,
+ ctl_reg);
+ writel(0xda, start_address);
+ writel(0xda, start_address);
+
+ writel(ESDCTL_0xB2220000,
+ ctl_reg);
+ writeb(0xda, start_address + ESDCTL_DDR2_MR);
+ writeb(0xda, start_address + ESDCTL_DDR2_OCD_DEFAULT);
+
+ /* OCD mode exit */
+ writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
+
+ /* Set normal mode */
+ writel(ESDCTL_0x82228080,
+ ctl_reg);
+
+ dram_wait(0x20000);
+
+ /* Do not set delay lines, only for MDDR */
+}
+
+static void board_setup_sdram(void)
+{
+ struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
+
+ /* Initialize with default values both CSD0/1 */
+ writel(0x2000, &esdc->esdctl0);
+ writel(0x2000, &esdc->esdctl1);
+
+ board_setup_sdram_bank(CSD0_BASE_ADDR);
+}
+
+static void setup_iomux_uart3(void)
+{
+ static const iomux_v3_cfg_t uart3_pads[] = {
+ MX35_PAD_RTS2__UART3_RXD_MUX,
+ MX35_PAD_CTS2__UART3_TXD_MUX,
+ };
+
+ imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
+}
+
+#define I2C_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_ODE)
+
+static void setup_iomux_i2c(void)
+{
+ static const iomux_v3_cfg_t i2c_pads[] = {
+ NEW_PAD_CTRL(MX35_PAD_I2C1_CLK__I2C1_SCL, I2C_PAD_CTRL),
+ NEW_PAD_CTRL(MX35_PAD_I2C1_DAT__I2C1_SDA, I2C_PAD_CTRL),
+
+ NEW_PAD_CTRL(MX35_PAD_TX3_RX2__I2C3_SCL, I2C_PAD_CTRL),
+ NEW_PAD_CTRL(MX35_PAD_TX2_RX3__I2C3_SDA, I2C_PAD_CTRL),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(i2c_pads, ARRAY_SIZE(i2c_pads));
+}
+
+
+static void setup_iomux_spi(void)
+{
+ static const iomux_v3_cfg_t spi_pads[] = {
+ MX35_PAD_CSPI1_MOSI__CSPI1_MOSI,
+ MX35_PAD_CSPI1_MISO__CSPI1_MISO,
+ MX35_PAD_CSPI1_SS0__CSPI1_SS0,
+ MX35_PAD_CSPI1_SS1__CSPI1_SS1,
+ MX35_PAD_CSPI1_SCLK__CSPI1_SCLK,
+ };
+
+ imx_iomux_v3_setup_multiple_pads(spi_pads, ARRAY_SIZE(spi_pads));
+}
+
+static void setup_iomux_fec(void)
+{
+ static const iomux_v3_cfg_t fec_pads[] = {
+ MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
+ MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
+ MX35_PAD_FEC_RX_DV__FEC_RX_DV,
+ MX35_PAD_FEC_COL__FEC_COL,
+ MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
+ MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
+ MX35_PAD_FEC_TX_EN__FEC_TX_EN,
+ MX35_PAD_FEC_MDC__FEC_MDC,
+ MX35_PAD_FEC_MDIO__FEC_MDIO,
+ MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
+ MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
+ MX35_PAD_FEC_CRS__FEC_CRS,
+ MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
+ MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
+ MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
+ MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
+ MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
+ MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
+ };
+
+ /* setup pins for FEC */
+ imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
+}
+
+int board_early_init_f(void)
+{
+ struct ccm_regs *ccm =
+ (struct ccm_regs *)IMX_CCM_BASE;
+
+ /* setup GPIO3_1 to set HighVCore signal */
+ imx_iomux_v3_setup_pad(MX35_PAD_ATA_DA1__GPIO3_1);
+ gpio_direction_output(65, 1);
+
+ /* initialize PLL and clock configuration */
+ writel(CCM_CCMR_CONFIG, &ccm->ccmr);
+
+ writel(CCM_MPLL_532_HZ, &ccm->mpctl);
+ writel(CCM_PPLL_300_HZ, &ccm->ppctl);
+
+ /* Set the core to run at 532 Mhz */
+ writel(0x00001000, &ccm->pdr0);
+
+ /* Set-up RAM */
+ board_setup_sdram();
+
+ /* enable clocks */
+ writel(readl(&ccm->cgr0) |
+ MXC_CCM_CGR0_EMI_MASK |
+ MXC_CCM_CGR0_EDIO_MASK |
+ MXC_CCM_CGR0_EPIT1_MASK,
+ &ccm->cgr0);
+
+ writel(readl(&ccm->cgr1) |
+ MXC_CCM_CGR1_FEC_MASK |
+ MXC_CCM_CGR1_GPIO1_MASK |
+ MXC_CCM_CGR1_GPIO2_MASK |
+ MXC_CCM_CGR1_GPIO3_MASK |
+ MXC_CCM_CGR1_I2C1_MASK |
+ MXC_CCM_CGR1_I2C2_MASK |
+ MXC_CCM_CGR1_I2C3_MASK,
+ &ccm->cgr1);
+
+ /* Set-up NAND */
+ __raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr);
+
+ /* Set pinmux for the required peripherals */
+ setup_iomux_uart3();
+ setup_iomux_i2c();
+ setup_iomux_fec();
+ setup_iomux_spi();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+u32 get_board_rev(void)
+{
+ int rev = 0;
+
+ return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
+}
diff --git a/qemu/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S b/qemu/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S
new file mode 100644
index 000000000..a9b7c1b68
--- /dev/null
+++ b/qemu/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <asm/arch/lowlevel_macro.S>
+
+.globl lowlevel_init
+lowlevel_init:
+
+ core_init
+
+ init_aips
+
+ init_max
+
+ init_m3if
+
+ mov pc, lr