On 10 January 2011 20:59, Minkyu Kang mk7.kang@samsung.com wrote:
This patch adds support for Samsung s5pc210 universal board
Signed-off-by: Minkyu Kang mk7.kang@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com
MAINTAINERS | 5 +- MAKEALL | 1 + board/samsung/universal_c210/Makefile | 51 ++++ board/samsung/universal_c210/config.mk | 24 ++ board/samsung/universal_c210/lowlevel_init.S | 395 ++++++++++++++++++++++++++ board/samsung/universal_c210/onenand.c | 34 +++ board/samsung/universal_c210/universal.c | 251 ++++++++++++++++ boards.cfg | 1 + include/configs/s5pc210_universal.h | 248 ++++++++++++++++ 9 files changed, 1008 insertions(+), 2 deletions(-) create mode 100644 board/samsung/universal_c210/Makefile create mode 100644 board/samsung/universal_c210/config.mk create mode 100644 board/samsung/universal_c210/lowlevel_init.S create mode 100644 board/samsung/universal_c210/onenand.c create mode 100644 board/samsung/universal_c210/universal.c create mode 100644 include/configs/s5pc210_universal.h
diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c new file mode 100644 index 0000000..a0325c3 --- /dev/null +++ b/board/samsung/universal_c210/universal.c @@ -0,0 +1,251 @@ +/*
- Copyright (C) 2010 Samsung Electronics
- Minkyu Kang mk7.kang@samsung.com
- Kyungmin Park kyungmin.park@samsung.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 <asm/io.h> +#include <asm/arch/adc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h>
+DECLARE_GLOBAL_DATA_PTR;
+struct s5pc210_gpio_part1 *gpio1; +struct s5pc210_gpio_part2 *gpio2; +unsigned int board_rev;
+u32 get_board_rev(void) +{
- return board_rev;
+}
+static int get_hwrev(void) +{
- return board_rev & 0xFF;
+}
+static void check_hw_revision(void);
+int board_init(void) +{
- gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE;
- gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE;
- gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
- gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
- check_hw_revision();
- printf("HW Revision:\t0x%x\n", board_rev);
- return 0;
+}
+int dram_init(void) +{
- gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE;
- 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;
- gd->ram_size = gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size;
+}
+static unsigned short get_adc_value(int channel) +{
- struct s5p_adc *adc = (struct s5p_adc *)samsung_get_base_adc();
- unsigned short ret = 0;
- unsigned int reg;
- unsigned int loop = 0;
- writel(channel & 0xF, &adc->adcmux);
- writel((1 << 14) | (49 << 6), &adc->adccon);
- writel(1000 & 0xffff, &adc->adcdly);
- writel(readl(&adc->adccon) | (1 << 16), &adc->adccon); /* 12 bit */
- udelay(10);
- writel(readl(&adc->adccon) | (1 << 0), &adc->adccon); /* Enable */
- udelay(10);
- do {
- udelay(1);
- reg = readl(&adc->adccon);
- } while (!(reg & (1 << 15)) && (loop++ < 1000));
- ret = readl(&adc->adcdat0) & 0xFFF;
- return ret;
+}
+static unsigned int get_hw_revision(void) +{
- int hwrev, mode0, mode1;
- mode0 = get_adc_value(1); /* HWREV_MODE0 */
- mode1 = get_adc_value(2); /* HWREV_MODE1 */
- /*
- * XXX Always set the default hwrev as the latest board
- * ADC = (voltage) / 3.3 * 4096
- */
- hwrev = 3;
+#define IS_RANGE(x, min, max) ((x) > (min) && (x) < (max))
- if (IS_RANGE(mode0, 80, 200) && IS_RANGE(mode1, 80, 200))
- hwrev = 0x0; /* 0.01V 0.01V */
- if (IS_RANGE(mode0, 750, 1000) && IS_RANGE(mode1, 80, 200))
- hwrev = 0x1; /* 610mV 0.01V */
- if (IS_RANGE(mode0, 1300, 1700) && IS_RANGE(mode1, 80, 200))
- hwrev = 0x2; /* 1.16V 0.01V */
- if (IS_RANGE(mode0, 2000, 2400) && IS_RANGE(mode1, 80, 200))
- hwrev = 0x3; /* 1.79V 0.01V */
+#undef IS_RANGE
- debug("mode0: %d, mode1: %d, hwrev 0x%x\n", mode0, mode1, hwrev);
- printf("mode0: %d, mode1: %d, hwrev 0x%x\n", mode0, mode1, hwrev);
This is duplicated debug message. I will remove it.
- return hwrev;
+}
+static void check_hw_revision(void) +{
- int hwrev;
- hwrev = get_hw_revision();
- board_rev |= hwrev;
+}
+#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{
- puts("Board:\tUniversal C210\n");
- return 0;
+} +#endif
+#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{
- int i, err;
- switch (get_hwrev()) {
- case 0:
- /*
- * Set the low to enable LDO_EN
- * But when you use the test board for eMMC booting
- * you should set it HIGH since it removes the inverter
- */
- /* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */
- gpio_direction_output(&gpio1->e3, 6, 0);
- break;
- default:
- /*
- * Default reset state is High and there's no inverter
- * But set it as HIGH to ensure
- */
- /* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */
- gpio_direction_output(&gpio1->e1, 3, 1);
- break;
- }
- /*
- * eMMC GPIO:
- * SDR 8-bit@48MHz at MMC0
- * GPK0[0] SD_0_CLK(2)
- * GPK0[1] SD_0_CMD(2)
- * GPK0[2] SD_0_CDn -> Not used
- * GPK0[3:6] SD_0_DATA[0:3](2)
- * GPK1[3:6] SD_0_DATA[0:3](3)
- *
- * DDR 4-bit@26MHz at MMC4
- * GPK0[0] SD_4_CLK(3)
- * GPK0[1] SD_4_CMD(3)
- * GPK0[2] SD_4_CDn -> Not used
- * GPK0[3:6] SD_4_DATA[0:3](3)
- * GPK1[3:6] SD_4_DATA[4:7](4)
- */
- for (i = 0; i < 7; i++) {
- if (i == 2)
- continue;
- /* GPK0[0:6] special function 2 */
- gpio_cfg_pin(&gpio2->k0, i, 0x2);
- /* GPK0[0:6] pull disable */
- gpio_set_pull(&gpio2->k0, i, GPIO_PULL_NONE);
- /* GPK0[0:6] drv 4x */
- gpio_set_drv(&gpio2->k0, i, GPIO_DRV_4X);
- }
- for (i = 3; i < 7; i++) {
- /* GPK1[3:6] special function 3 */
- gpio_cfg_pin(&gpio2->k1, i, 0x3);
- /* GPK1[3:6] pull disable */
- gpio_set_pull(&gpio2->k1, i, GPIO_PULL_NONE);
- /* GPK1[3:6] drv 4x */
- gpio_set_drv(&gpio2->k1, i, GPIO_DRV_4X);
- }
- /* T-flash detect */
- gpio_cfg_pin(&gpio2->x3, 4, 0xf);
- gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP);
- /*
- * MMC device init
- * mmc0 : eMMC (8-bit buswidth)
- * mmc2 : SD card (4-bit buswidth)
- */
- err = s5p_mmc_init(0, 8);
- /*
- * Check the T-flash detect pin
- * GPX3[4] T-flash detect pin
- */
- if (!gpio_get_value(&gpio2->x3, 4)) {
- /*
- * SD card GPIO:
- * GPK2[0] SD_2_CLK(2)
- * GPK2[1] SD_2_CMD(2)
- * GPK2[2] SD_2_CDn -> Not used
- * GPK2[3:6] SD_2_DATA[0:3](2)
- */
- for (i = 0; i < 7; i++) {
- if (i == 2)
- continue;
- /* GPK2[0:6] special function 2 */
- gpio_cfg_pin(&gpio2->k2, i, 0x2);
- /* GPK2[0:6] pull disable */
- gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
- /* GPK2[0:6] drv 4x */
- gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
- }
- err = s5p_mmc_init(2, 4);
- }
- return err;
+} +#endif