add hummingboard 2 patch
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Peter Robinson
parent
e37941d681
commit
fde8e09f7f
240
mx6-Initial-Hummingboard-2-support.patch
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240
mx6-Initial-Hummingboard-2-support.patch
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@ -0,0 +1,240 @@
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From f349c5dc5ca2af90e026135b807668444ff23d84 Mon Sep 17 00:00:00 2001
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From: Peter Robinson <pbrobinson@gmail.com>
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Date: Mon, 6 Mar 2017 09:28:37 +0000
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Subject: [PATCH 1/2] Initial Hummingboard 2 support
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Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
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---
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board/solidrun/mx6cuboxi/mx6cuboxi.c | 118 +++++++++++++++++++++++++++--------
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1 file changed, 92 insertions(+), 26 deletions(-)
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diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c b/board/solidrun/mx6cuboxi/mx6cuboxi.c
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index 285588d..5b187ff 100644
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--- a/board/solidrun/mx6cuboxi/mx6cuboxi.c
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+++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c
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@@ -37,6 +37,15 @@
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DECLARE_GLOBAL_DATA_PTR;
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+enum {
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+ CUBOX,
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+ HB1,
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+ HB2,
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+ HB2r15,
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+};
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+
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+static int board_type;
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+
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#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
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PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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@@ -48,6 +57,9 @@ DECLARE_GLOBAL_DATA_PTR;
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#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
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+#define ENET_PAD_CTRL_OD (PAD_CTL_PUS_100K_UP | \
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+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | PAD_CTL_ODE)
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+
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#define ENET_PAD_CTRL_PD (PAD_CTL_PUS_100K_DOWN | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
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@@ -79,8 +91,11 @@ static iomux_v3_cfg_t const usdhc2_pads[] = {
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static iomux_v3_cfg_t const hb_cbi_sense[] = {
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/* These pins are for sensing if it is a CuBox-i or a HummingBoard */
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- IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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- IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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+ IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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+ IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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+ IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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+ IOMUX_PADS(PAD_CSI0_DAT14__GPIO6_IO00 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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+ IOMUX_PADS(PAD_CSI0_DAT18__GPIO6_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)),
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};
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static iomux_v3_cfg_t const usb_pads[] = {
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@@ -92,8 +107,9 @@ static void setup_iomux_uart(void)
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SETUP_IOMUX_PADS(uart1_pads);
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}
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-static struct fsl_esdhc_cfg usdhc_cfg[1] = {
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+static struct fsl_esdhc_cfg usdhc_cfg[2] = {
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{USDHC2_BASE_ADDR},
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+ {USDHC3_BASE_ADDR},
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};
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int board_mmc_getcd(struct mmc *mmc)
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@@ -103,16 +119,40 @@ int board_mmc_getcd(struct mmc *mmc)
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int board_mmc_init(bd_t *bis)
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{
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- SETUP_IOMUX_PADS(usdhc2_pads);
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- usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
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- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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- gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
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+ int ret;
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+ u32 index = 0;
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+
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+ for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
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+ switch (index) {
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+ case 0:
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+ SETUP_IOMUX_PADS(usdhc2_pads);
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+ usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
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+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
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+ break;
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+ case 1:
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+ SETUP_IOMUX_PADS(usdhc3_pads);
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+ usdhc_cfg[1].esdhc_base = USDHC3_BASE_ADDR;
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+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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+ gd->arch.sdhc_clk = usdhc_cfg[1].sdhc_clk;
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+ break;
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+ default:
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+ printf("Warning: you configured more USDHC controllers"
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+ "(%d) then supported by the board (%d)\n",
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+ index + 1, CONFIG_SYS_FSL_USDHC_NUM);
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+ return -EINVAL;
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+ }
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- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
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+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
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+ if (ret)
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+ return ret;
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+ }
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+
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+ return 0;
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}
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static iomux_v3_cfg_t const enet_pads[] = {
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- IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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+ IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_OD)),
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IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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/* AR8035 reset */
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IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
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@@ -328,41 +368,62 @@ int board_init(void)
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return 0;
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}
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-static bool is_hummingboard(void)
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+static int is_hummingboard(void)
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{
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- int val1, val2;
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+ int val1, val2, val3, val4, val5;
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SETUP_IOMUX_PADS(hb_cbi_sense);
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gpio_direction_input(IMX_GPIO_NR(4, 9));
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gpio_direction_input(IMX_GPIO_NR(3, 4));
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+ gpio_direction_input(IMX_GPIO_NR(2, 8));
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+ gpio_direction_input(IMX_GPIO_NR(6, 0));
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+ gpio_direction_input(IMX_GPIO_NR(6, 4));
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val1 = gpio_get_value(IMX_GPIO_NR(4, 9));
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val2 = gpio_get_value(IMX_GPIO_NR(3, 4));
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+ val3 = gpio_get_value(IMX_GPIO_NR(2, 8));
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+ val4 = gpio_get_value(IMX_GPIO_NR(6, 0));
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+ val5 = gpio_get_value(IMX_GPIO_NR(6, 4));
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/*
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* Machine selection -
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- * Machine val1, val2
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- * -------------------------
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- * HB rev 3.x x 0
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- * CBi 0 1
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- * HB 1 1
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+ * Machine val1, val2, val3
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+ * -------------------------------
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+ * HB2 x x 0
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+ * HB rev 3.x x 0 x
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+ * CBi 0 1 x
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+ * HB 1 1 x
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*/
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- if (val2 == 0)
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- return true;
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- else if (val1 == 0)
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- return false;
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- else
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- return true;
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+ if (val3 == 0) {
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+ board_type = HB2;
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+ } else if (val2 == 0) {
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+ board_type = HB1;
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+ } else if (val1 == 0) {
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+ board_type = CUBOX;
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+ } else {
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+ board_type = HB1;
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+ }
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+
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+ if (val4 == 1 && val5 == 0)
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+ board_type = HB2r15;
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+
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+ return board_type;
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+
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}
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int checkboard(void)
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{
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- if (is_hummingboard())
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+ switch (board_type) {
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+ case HB2:
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+ case HB2r15:
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+ puts("Board: MX6 Hummingboard 2\n");
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+ case HB1:
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puts("Board: MX6 Hummingboard\n");
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- else
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+ case CUBOX:
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puts("Board: MX6 Cubox-i\n");
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+ }
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return 0;
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}
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@@ -370,10 +431,15 @@ int checkboard(void)
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int board_late_init(void)
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{
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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- if (is_hummingboard())
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+ switch (board_type) {
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+ case HB2:
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+ case HB2r15:
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+ setenv("board_name", "HUMMINGBOARD2");
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+ case HB1:
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setenv("board_name", "HUMMINGBOARD");
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- else
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+ case CUBOX:
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setenv("board_name", "CUBOXI");
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+ }
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if (is_mx6dq())
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setenv("board_rev", "MX6Q");
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--
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2.9.3
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From 039d4ce71df224d36f857519cc7a7f56568a75c3 Mon Sep 17 00:00:00 2001
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From: Peter Robinson <pbrobinson@gmail.com>
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Date: Mon, 6 Mar 2017 11:26:21 +0000
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Subject: [PATCH 2/2] drop mmc init for the moment
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---
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board/solidrun/mx6cuboxi/mx6cuboxi.c | 6 ------
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1 file changed, 6 deletions(-)
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diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c b/board/solidrun/mx6cuboxi/mx6cuboxi.c
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index 5b187ff..50dcc09 100644
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--- a/board/solidrun/mx6cuboxi/mx6cuboxi.c
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+++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c
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@@ -130,12 +130,6 @@ int board_mmc_init(bd_t *bis)
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
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break;
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- case 1:
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- SETUP_IOMUX_PADS(usdhc3_pads);
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- usdhc_cfg[1].esdhc_base = USDHC3_BASE_ADDR;
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- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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- gd->arch.sdhc_clk = usdhc_cfg[1].sdhc_clk;
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- break;
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default:
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printf("Warning: you configured more USDHC controllers"
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"(%d) then supported by the board (%d)\n",
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--
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2.9.3
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