ARM: omap3: am3517-evm: Add device tree and DM support
With the device tree ported from Linux 4.13, this enables Driver Model and Device Tree support for the am3517-evm Signed-off-by: Adam Ford <aford173@gmail.com> Tested-by: Derald D. Woods <woods.technical@gmail.com>
This commit is contained in:
Adam Ford
Tom Rini
parent
a56fd949a5
commit
b85781c2a8
@ -22,6 +22,11 @@ choice
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config TARGET_AM3517_EVM
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bool "AM3517 EVM"
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select DM
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select DM_SERIAL
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select DM_GPIO
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select DM_I2C
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select DM_MMC
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config TARGET_MT_VENTOUX
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bool "TeeJet Mt.Ventoux"
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@ -12,6 +12,8 @@
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*/
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#include <common.h>
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#include <dm.h>
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#include <ns16550.h>
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#include <asm/io.h>
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#include <asm/omap_musb.h>
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#include <asm/arch/am35x_def.h>
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@ -34,6 +36,22 @@ DECLARE_GLOBAL_DATA_PTR;
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#define AM3517_IP_SW_RESET 0x48002598
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#define CPGMACSS_SW_RST (1 << 1)
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#define PHY_GPIO 30
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/* This is only needed until SPL gets OF support */
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#ifdef CONFIG_SPL_BUILD
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static const struct ns16550_platdata am3517_serial = {
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.base = OMAP34XX_UART3,
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.reg_shift = 2,
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.clock = V_NS16550_CLK,
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.fcr = UART_FCR_DEFVAL,
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};
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U_BOOT_DEVICE(am3517_uart) = {
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"ns16550_serial",
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&am3517_serial
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};
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#endif
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/*
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* Routine: board_init
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@ -113,30 +131,35 @@ int misc_init_r(void)
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am3517_evm_musb_init();
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/* activate PHY reset */
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gpio_direction_output(30, 0);
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gpio_set_value(30, 0);
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if (gpio_request(PHY_GPIO, "gpio_30") == 0) {
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/* activate PHY reset */
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gpio_direction_output(PHY_GPIO, 0);
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gpio_set_value(PHY_GPIO, 0);
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ctr = 0;
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do {
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udelay(1000);
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ctr++;
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} while (ctr < 300);
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ctr = 0;
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do {
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udelay(1000);
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ctr++;
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} while (ctr < 300);
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/* deactivate PHY reset */
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gpio_set_value(30, 1);
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/* deactivate PHY reset */
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gpio_set_value(PHY_GPIO, 1);
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/* allow the PHY to stabilize and settle down */
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ctr = 0;
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do {
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udelay(1000);
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ctr++;
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} while (ctr < 300);
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/* allow the PHY to stabilize and settle down */
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ctr = 0;
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do {
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udelay(1000);
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ctr++;
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} while (ctr < 300);
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/* ensure that the module is out of reset */
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reset = readl(AM3517_IP_SW_RESET);
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reset &= (~CPGMACSS_SW_RST);
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writel(reset,AM3517_IP_SW_RESET);
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/* ensure that the module is out of reset */
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reset = readl(AM3517_IP_SW_RESET);
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reset &= (~CPGMACSS_SW_RST);
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writel(reset, AM3517_IP_SW_RESET);
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/* Free requested GPIO */
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gpio_free(PHY_GPIO);
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}
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return 0;
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}
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@ -4,11 +4,14 @@ CONFIG_ARCH_OMAP2PLUS=y
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CONFIG_SYS_TEXT_BASE=0x80100000
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CONFIG_TI_COMMON_CMD_OPTIONS=y
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# CONFIG_SPL_GPIO_SUPPORT is not set
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CONFIG_SYS_MALLOC_F_LEN=0x2000
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CONFIG_TARGET_AM3517_EVM=y
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CONFIG_EMIF4=y
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CONFIG_DEFAULT_DEVICE_TREE="am3517-evm"
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CONFIG_BOOTDELAY=10
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CONFIG_VERSION_VARIABLE=y
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CONFIG_SPL=y
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CONFIG_SPL_SYS_MALLOC_SIMPLE=y
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# CONFIG_SPL_EXT_SUPPORT is not set
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CONFIG_SPL_MTD_SUPPORT=y
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CONFIG_HUSH_PARSER=y
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@ -27,13 +30,12 @@ CONFIG_CMD_CACHE=y
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# CONFIG_CMD_TIME is not set
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CONFIG_CMD_UBI=y
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CONFIG_SPL_PARTITION_UUIDS=y
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CONFIG_OF_CONTROL=y
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CONFIG_ENV_IS_IN_NAND=y
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CONFIG_MMC_OMAP_HS=y
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CONFIG_NAND=y
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CONFIG_SYS_NS16550=y
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CONFIG_USB=y
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CONFIG_USB_MUSB_HOST=y
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CONFIG_USB_STORAGE=y
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# CONFIG_FAT_WRITE is not set
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CONFIG_BCH=y
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CONFIG_OF_LIBFDT=y
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@ -21,6 +21,7 @@
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* header. That is 0x800FFFC0--0x80100000 should not be used for any
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* other needs.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x80100000
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#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
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@ -33,16 +34,6 @@
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/* Hardware drivers */
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/* NS16550 Configuration */
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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/* select serial console configuration */
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#define CONFIG_CONS_INDEX 3
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#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
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#define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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@ -72,7 +63,6 @@
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#endif /* CONFIG_USB_MUSB_AM35X */
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/* I2C */
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_OMAP24_I2C_SPEED 100000
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#define CONFIG_SYS_OMAP24_I2C_SLAVE 1
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@ -250,8 +240,6 @@
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#define CONFIG_SPL_FRAMEWORK
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#undef CONFIG_SPL_TEXT_BASE
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#define CONFIG_SPL_TEXT_BASE 0x40200000
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#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
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CONFIG_SPL_TEXT_BASE)
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#undef CONFIG_SPL_BSS_START_ADDR
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#define CONFIG_SPL_BSS_START_ADDR 0x80000000
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