Merge branch '2021-04-22-assorted-updates'
- Move LMB to Kconfig, improve functionality
- Add partlabel support to more fs cmds
diff --git a/arch/mips/dts/mrvl,cn73xx.dtsi b/arch/mips/dts/mrvl,cn73xx.dtsi
index 40eb85e..27cdfd0 100644
--- a/arch/mips/dts/mrvl,cn73xx.dtsi
+++ b/arch/mips/dts/mrvl,cn73xx.dtsi
@@ -134,6 +134,33 @@
clocks = <&clk OCTEON_CLK_IO>;
};
+ mmc: mmc@1180000002000 {
+ compatible = "cavium,octeon-7890-mmc",
+ "cavium,octeon-7360-mmc";
+ reg = <0x11800 0x00000000 0x0 0x2100>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* EMM_INT_BUF_DONE,
+ EMM_INT_CMD_DONE,
+ EMM_INT_DMA_DONE,
+ EMM_INT_CMD_ERR,
+ EMM_INT_DMA_ERR,
+ EMM_INT_SWITCH_DONE,
+ EMM_INT_SWITCH_ERR,
+ EMM_DMA_DONE,
+ EMM_DMA_FIFO*/
+ interrupts = <0x09040 1>,
+ <0x09041 1>,
+ <0x09042 1>,
+ <0x09043 1>,
+ <0x09044 1>,
+ <0x09045 1>,
+ <0x09046 1>,
+ <0x09000 1>,
+ <0x09001 1>;
+ clocks = <&clk OCTEON_CLK_IO>;
+ };
+
spi: spi@1070000001000 {
compatible = "cavium,octeon-3010-spi";
reg = <0x10700 0x00001000 0x0 0x100>;
diff --git a/arch/mips/dts/mrvl,octeon-ebb7304.dts b/arch/mips/dts/mrvl,octeon-ebb7304.dts
index 993b4f6..1bb34e1 100644
--- a/arch/mips/dts/mrvl,octeon-ebb7304.dts
+++ b/arch/mips/dts/mrvl,octeon-ebb7304.dts
@@ -6,16 +6,36 @@
/dts-v1/;
#include "mrvl,cn73xx.dtsi"
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "cavium,ebb7304";
compatible = "cavium,ebb7304";
aliases {
+ mmc0 = &mmc0;
+ mmc1 = &mmc1;
serial0 = &uart0;
spi0 = &spi;
};
+ regulators {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Power on GPIO 8, active high */
+ reg_mmc_3v3: regulator@0 {
+ compatible = "regulator-fixed";
+ reg = <0>;
+ regulator-name = "mmc-3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+ };
+
chosen {
stdout-path = &uart0;
};
@@ -137,3 +157,40 @@
*/
power = <&gpio 21 0>;
};
+
+&mmc {
+ status = "okay";
+
+ /* The board has two MMC slots
+ * If both are occupied, the speed must be reduced,
+ * as extra data-line load increases slew time,
+ * and dat-skew adjustment does not help significantly.
+ */
+ mmc0: mmc-slot@0 {
+ compatible = "cavium,octeon-6130-mmc-slot", "mmc-slot";
+ reg = <0>;
+ vqmmc-supply = <®_mmc_3v3>;
+ voltage-ranges = <3300 3300>;
+ //spi-max-frequency = <52000000>; // just one
+ spi-max-frequency = <37000000>; // both slots
+ /* bus width can be 1, 4 or 8 */
+ bus-width = <8>; /* new std property */
+ cavium,bus-max-width = <8>; /* custom property */
+ wp-gpios = <&gpio 22 0>; /* active high */
+ cd-gpios = <&gpio 23 1>; /* active low */
+ };
+
+ mmc1: mmc-slot@1 {
+ compatible = "cavium,octeon-6130-mmc-slot", "mmc-slot";
+ reg = <1>;
+ vqmmc-supply = <®_mmc_3v3>;
+ voltage-ranges = <3300 3300>;
+ //spi-max-frequency = <52000000>; // just one
+ spi-max-frequency = <37000000>; // both slots
+ /* bus width can be 1, 4 or 8 */
+ bus-width = <8>; /* new std property */
+ cavium,bus-max-width = <8>; /* custom property */
+ wp-gpios = <&gpio 24 0>; /* active high */
+ cd-gpios = <&gpio 25 1>; /* active low */
+ };
+};
diff --git a/arch/mips/dts/mscc,jr2.dtsi b/arch/mips/dts/mscc,jr2.dtsi
index c44e9a2..87db7ca 100644
--- a/arch/mips/dts/mscc,jr2.dtsi
+++ b/arch/mips/dts/mscc,jr2.dtsi
@@ -243,7 +243,9 @@
<0x017d0000 0x10000>, // QFWD
<0x01020000 0x20000>, // QS
<0x017e0000 0x10000>, // QSYS
- <0x01b00000 0x80000>; // REW
+ <0x01b00000 0x80000>, // REW
+ <0x01010000 0x100>, // GCB
+ <0x00000000 0x100>; // ICPU
reg-names = "port0", "port1", "port2", "port3", "port4",
"port5", "port6", "port7", "port8", "port9",
"port10", "port11", "port12", "port13",
@@ -257,7 +259,7 @@
"port42", "port43", "port44", "port45",
"port46", "port47", "ana_ac", "ana_cl",
"ana_l2", "asm", "hsio", "lrn", "qfwd",
- "qs", "qsys", "rew";
+ "qs", "qsys", "rew", "gcb", "icpu";
status = "okay";
ethernet-ports {
diff --git a/arch/mips/mach-mtmips/mt7628/ddr.c b/arch/mips/mach-mtmips/mt7628/ddr.c
index b091f2e..4e72459 100644
--- a/arch/mips/mach-mtmips/mt7628/ddr.c
+++ b/arch/mips/mach-mtmips/mt7628/ddr.c
@@ -140,6 +140,9 @@
lspd = readl(sysc + SYSCTL_CLKCFG0_REG) &
(CPU_PLL_FROM_BBP | CPU_PLL_FROM_XTAL);
+ if (pkg_type == PKG_ID_KN)
+ ddr_type = DRAM_DDR1;
+
mt7628_memc_reset(1);
__udelay(200);
@@ -152,9 +155,6 @@
param.memsize = 0;
param.bus_width = 0;
- if (pkg_type == PKG_ID_KN)
- ddr_type = DRAM_DDR1;
-
if (ddr_type == DRAM_DDR1) {
if (lspd)
param.cfgs = ddr1_cfgs_160mhz;
diff --git a/arch/mips/mach-mtmips/mt7628/init.c b/arch/mips/mach-mtmips/mt7628/init.c
index 7c531ff..6b53512 100644
--- a/arch/mips/mach-mtmips/mt7628/init.c
+++ b/arch/mips/mach-mtmips/mt7628/init.c
@@ -68,6 +68,9 @@
val = readl(sysc + SYSCTL_EFUSE_CFG_REG);
ee = val & EFUSE_MT7688;
+ if (pkg == PKG_ID_KN)
+ ddr = DRAM_DDR1;
+
printf("CPU: MediaTek MT%u%c ver:%u eco:%u\n",
ee ? 7688 : 7628, pkg ? 'A' : 'K', ver, eco);
diff --git a/arch/mips/mach-octeon/include/mach/cvmx-mio-emm-defs.h b/arch/mips/mach-octeon/include/mach/cvmx-mio-emm-defs.h
new file mode 100644
index 0000000..3572a59
--- /dev/null
+++ b/arch/mips/mach-octeon/include/mach/cvmx-mio-emm-defs.h
@@ -0,0 +1,614 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __CVMX_MIO_EMM_DEFS_H__
+#define __CVMX_MIO_EMM_DEFS_H__
+
+static inline u64 MIO_EMM_DMA_FIFO_CFG(void)
+{
+ return 0x160;
+}
+
+static inline u64 MIO_EMM_DMA_FIFO_ADR(void)
+{
+ return 0x170;
+}
+
+static inline u64 MIO_EMM_DMA_FIFO_CMD(void)
+{
+ return 0x178;
+}
+
+static inline u64 MIO_EMM_DMA_CFG(void)
+{
+ return 0x180;
+}
+
+static inline u64 MIO_EMM_DMA_ADR(void)
+{
+ return 0x188;
+}
+
+static inline u64 MIO_EMM_DMA_INT(void)
+{
+ return 0x190;
+}
+
+static inline u64 MIO_EMM_CFG(void)
+{
+ return 0x2000;
+}
+
+static inline u64 MIO_EMM_MODEX(u64 a)
+{
+ return 0x2008 + 8 * a;
+}
+
+static inline u64 MIO_EMM_SWITCH(void)
+{
+ return 0x2048;
+}
+
+static inline u64 MIO_EMM_DMA(void)
+{
+ return 0x2050;
+}
+
+static inline u64 MIO_EMM_CMD(void)
+{
+ return 0x2058;
+}
+
+static inline u64 MIO_EMM_RSP_STS(void)
+{
+ return 0x2060;
+}
+
+static inline u64 MIO_EMM_RSP_LO(void)
+{
+ return 0x2068;
+}
+
+static inline u64 MIO_EMM_RSP_HI(void)
+{
+ return 0x2070;
+}
+
+static inline u64 MIO_EMM_INT(void)
+{
+ return 0x2078;
+}
+
+static inline u64 MIO_EMM_WDOG(void)
+{
+ return 0x2088;
+}
+
+static inline u64 MIO_EMM_SAMPLE(void)
+{
+ return 0x2090;
+}
+
+static inline u64 MIO_EMM_STS_MASK(void)
+{
+ return 0x2098;
+}
+
+static inline u64 MIO_EMM_RCA(void)
+{
+ return 0x20a0;
+}
+
+static inline u64 MIO_EMM_BUF_IDX(void)
+{
+ return 0x20e0;
+}
+
+static inline u64 MIO_EMM_BUF_DAT(void)
+{
+ return 0x20e8;
+}
+
+/* Dummy implementation, not documented on MIPS Octeon */
+static inline u64 MIO_EMM_DEBUG(void)
+{
+ return 0x20f8;
+}
+
+/**
+ * mio_emm_access_wdog
+ */
+union mio_emm_access_wdog {
+ u64 u;
+ struct mio_emm_access_wdog_s {
+ uint64_t reserved_32_63 : 32;
+ uint64_t clk_cnt : 32;
+ } s;
+};
+
+/**
+ * mio_emm_buf_dat
+ *
+ * MIO_EMM_BUF_DAT = MIO EMMC Data buffer access Register
+ *
+ */
+union mio_emm_buf_dat {
+ u64 u;
+ struct mio_emm_buf_dat_s {
+ uint64_t dat : 64;
+ } s;
+};
+
+/**
+ * mio_emm_buf_idx
+ *
+ * MIO_EMM_BUF_IDX = MIO EMMC Data buffer address Register
+ *
+ */
+union mio_emm_buf_idx {
+ u64 u;
+ struct mio_emm_buf_idx_s {
+ uint64_t reserved_17_63 : 47;
+ uint64_t inc : 1;
+ uint64_t reserved_7_15 : 9;
+ uint64_t buf_num : 1;
+ uint64_t offset : 6;
+ } s;
+};
+
+/**
+ * mio_emm_cfg
+ *
+ * MIO_EMM_CFG = MIO EMMC Configuration Register
+ *
+ */
+union mio_emm_cfg {
+ u64 u;
+ struct mio_emm_cfg_s {
+ uint64_t reserved_17_63 : 47;
+ uint64_t boot_fail : 1;
+ uint64_t reserved_4_15 : 12;
+ uint64_t bus_ena : 4;
+ } s;
+};
+
+/**
+ * mio_emm_cmd
+ *
+ * MIO_EMM_CMD = MIO EMMC Command Register
+ *
+ */
+union mio_emm_cmd {
+ u64 u;
+ struct mio_emm_cmd_s {
+ uint64_t reserved_63_63 : 1;
+ uint64_t skip_busy : 1;
+ uint64_t bus_id : 2;
+ uint64_t cmd_val : 1;
+ uint64_t reserved_56_58 : 3;
+ uint64_t dbuf : 1;
+ uint64_t offset : 6;
+ uint64_t reserved_43_48 : 6;
+ uint64_t ctype_xor : 2;
+ uint64_t rtype_xor : 3;
+ uint64_t cmd_idx : 6;
+ uint64_t arg : 32;
+ } s;
+};
+
+/**
+ * mio_emm_dma
+ *
+ * MIO_EMM_DMA = MIO EMMC DMA config Register
+ *
+ */
+union mio_emm_dma {
+ u64 u;
+ struct mio_emm_dma_s {
+ uint64_t reserved_63_63 : 1;
+ uint64_t skip_busy : 1;
+ uint64_t bus_id : 2;
+ uint64_t dma_val : 1;
+ uint64_t sector : 1;
+ uint64_t dat_null : 1;
+ uint64_t thres : 6;
+ uint64_t rel_wr : 1;
+ uint64_t rw : 1;
+ uint64_t multi : 1;
+ uint64_t block_cnt : 16;
+ uint64_t card_addr : 32;
+ } s;
+};
+
+/**
+ * mio_emm_dma_adr
+ *
+ * This register sets the address for eMMC/SD flash transfers to/from memory. Sixty-four-bit
+ * operations must be used to access this register. This register is updated by the DMA
+ * hardware and can be reloaded by the values placed in the MIO_EMM_DMA_FIFO_ADR.
+ */
+union mio_emm_dma_adr {
+ u64 u;
+ struct mio_emm_dma_adr_s {
+ uint64_t reserved_42_63 : 22;
+ uint64_t adr : 42;
+ } s;
+};
+
+/**
+ * mio_emm_dma_cfg
+ *
+ * This register controls the internal DMA engine used with the eMMC/SD flash controller. Sixty-
+ * four-bit operations must be used to access this register. This register is updated by the
+ * hardware DMA engine and can also be reloaded by writes to the MIO_EMM_DMA_FIFO_CMD register.
+ */
+union mio_emm_dma_cfg {
+ u64 u;
+ struct mio_emm_dma_cfg_s {
+ uint64_t en : 1;
+ uint64_t rw : 1;
+ uint64_t clr : 1;
+ uint64_t reserved_60_60 : 1;
+ uint64_t swap32 : 1;
+ uint64_t swap16 : 1;
+ uint64_t swap8 : 1;
+ uint64_t endian : 1;
+ uint64_t size : 20;
+ uint64_t reserved_0_35 : 36;
+ } s;
+};
+
+/**
+ * mio_emm_dma_fifo_adr
+ *
+ * This register specifies the internal address that is loaded into the eMMC internal DMA FIFO.
+ * The FIFO is used to queue up operations for the MIO_EMM_DMA_CFG/MIO_EMM_DMA_ADR when the DMA
+ * completes successfully.
+ */
+union mio_emm_dma_fifo_adr {
+ u64 u;
+ struct mio_emm_dma_fifo_adr_s {
+ uint64_t reserved_42_63 : 22;
+ uint64_t adr : 39;
+ uint64_t reserved_0_2 : 3;
+ } s;
+};
+
+/**
+ * mio_emm_dma_fifo_cfg
+ *
+ * This register controls DMA FIFO operations.
+ *
+ */
+union mio_emm_dma_fifo_cfg {
+ u64 u;
+ struct mio_emm_dma_fifo_cfg_s {
+ uint64_t reserved_17_63 : 47;
+ uint64_t clr : 1;
+ uint64_t reserved_13_15 : 3;
+ uint64_t int_lvl : 5;
+ uint64_t reserved_5_7 : 3;
+ uint64_t count : 5;
+ } s;
+};
+
+/**
+ * mio_emm_dma_fifo_cmd
+ *
+ * This register specifies a command that is loaded into the eMMC internal DMA FIFO. The FIFO is
+ * used to queue up operations for the MIO_EMM_DMA_CFG/MIO_EMM_DMA_ADR when the DMA completes
+ * successfully. Writes to this register store both the MIO_EMM_DMA_FIFO_CMD and the
+ * MIO_EMM_DMA_FIFO_ADR contents into the FIFO and increment the MIO_EMM_DMA_FIFO_CFG[COUNT]
+ * field.
+ *
+ * Note: This register has a similar format to MIO_EMM_DMA_CFG with the exception
+ * that the EN and CLR fields are absent. These are supported in MIO_EMM_DMA_FIFO_CFG.
+ */
+union mio_emm_dma_fifo_cmd {
+ u64 u;
+ struct mio_emm_dma_fifo_cmd_s {
+ uint64_t reserved_63_63 : 1;
+ uint64_t rw : 1;
+ uint64_t reserved_61_61 : 1;
+ uint64_t intdis : 1;
+ uint64_t swap32 : 1;
+ uint64_t swap16 : 1;
+ uint64_t swap8 : 1;
+ uint64_t endian : 1;
+ uint64_t size : 20;
+ uint64_t reserved_0_35 : 36;
+ } s;
+};
+
+/**
+ * mio_emm_dma_int
+ *
+ * Sixty-four-bit operations must be used to access this register.
+ *
+ */
+union mio_emm_dma_int {
+ u64 u;
+ struct mio_emm_dma_int_s {
+ uint64_t reserved_2_63 : 62;
+ uint64_t fifo : 1;
+ uint64_t done : 1;
+ } s;
+};
+
+/**
+ * mio_emm_dma_int_w1s
+ */
+union mio_emm_dma_int_w1s {
+ u64 u;
+ struct mio_emm_dma_int_w1s_s {
+ uint64_t reserved_2_63 : 62;
+ uint64_t fifo : 1;
+ uint64_t done : 1;
+ } s;
+};
+
+/**
+ * mio_emm_int
+ *
+ * MIO_EMM_INT = MIO EMMC Interrupt Register
+ *
+ */
+union mio_emm_int {
+ u64 u;
+ struct mio_emm_int_s {
+ uint64_t reserved_7_63 : 57;
+ uint64_t switch_err : 1;
+ uint64_t switch_done : 1;
+ uint64_t dma_err : 1;
+ uint64_t cmd_err : 1;
+ uint64_t dma_done : 1;
+ uint64_t cmd_done : 1;
+ uint64_t buf_done : 1;
+ } s;
+};
+
+/**
+ * mio_emm_int_en
+ *
+ * MIO_EMM_INT_EN = MIO EMMC Interrupt enable Register
+ *
+ */
+union mio_emm_int_en {
+ u64 u;
+ struct mio_emm_int_en_s {
+ uint64_t reserved_7_63 : 57;
+ uint64_t switch_err : 1;
+ uint64_t switch_done : 1;
+ uint64_t dma_err : 1;
+ uint64_t cmd_err : 1;
+ uint64_t dma_done : 1;
+ uint64_t cmd_done : 1;
+ uint64_t buf_done : 1;
+ } s;
+};
+
+/**
+ * mio_emm_int_w1s
+ */
+union mio_emm_int_w1s {
+ u64 u;
+ struct mio_emm_int_w1s_s {
+ uint64_t reserved_7_63 : 57;
+ uint64_t switch_err : 1;
+ uint64_t switch_done : 1;
+ uint64_t dma_err : 1;
+ uint64_t cmd_err : 1;
+ uint64_t dma_done : 1;
+ uint64_t cmd_done : 1;
+ uint64_t buf_done : 1;
+ } s;
+};
+
+/**
+ * mio_emm_mode#
+ *
+ * MIO_EMM_MODE = MIO EMMC Operating mode Register
+ *
+ */
+union mio_emm_modex {
+ u64 u;
+ struct mio_emm_modex_s {
+ uint64_t reserved_49_63 : 15;
+ uint64_t hs_timing : 1;
+ uint64_t reserved_43_47 : 5;
+ uint64_t bus_width : 3;
+ uint64_t reserved_36_39 : 4;
+ uint64_t power_class : 4;
+ uint64_t clk_hi : 16;
+ uint64_t clk_lo : 16;
+ } s;
+};
+
+/**
+ * mio_emm_rca
+ */
+union mio_emm_rca {
+ u64 u;
+ struct mio_emm_rca_s {
+ uint64_t reserved_16_63 : 48;
+ uint64_t card_rca : 16;
+ } s;
+};
+
+/**
+ * mio_emm_rsp_hi
+ *
+ * MIO_EMM_RSP_HI = MIO EMMC Response data high Register
+ *
+ */
+union mio_emm_rsp_hi {
+ u64 u;
+ struct mio_emm_rsp_hi_s {
+ uint64_t dat : 64;
+ } s;
+};
+
+/**
+ * mio_emm_rsp_lo
+ *
+ * MIO_EMM_RSP_LO = MIO EMMC Response data low Register
+ *
+ */
+union mio_emm_rsp_lo {
+ u64 u;
+ struct mio_emm_rsp_lo_s {
+ uint64_t dat : 64;
+ } s;
+};
+
+/**
+ * mio_emm_rsp_sts
+ *
+ * MIO_EMM_RSP_STS = MIO EMMC Response status Register
+ *
+ */
+union mio_emm_rsp_sts {
+ u64 u;
+ struct mio_emm_rsp_sts_s {
+ uint64_t reserved_62_63 : 2;
+ uint64_t bus_id : 2;
+ uint64_t cmd_val : 1;
+ uint64_t switch_val : 1;
+ uint64_t dma_val : 1;
+ uint64_t dma_pend : 1;
+ uint64_t acc_timeout : 1;
+ uint64_t reserved_29_54 : 26;
+ uint64_t dbuf_err : 1;
+ uint64_t reserved_24_27 : 4;
+ uint64_t dbuf : 1;
+ uint64_t blk_timeout : 1;
+ uint64_t blk_crc_err : 1;
+ uint64_t rsp_busybit : 1;
+ uint64_t stp_timeout : 1;
+ uint64_t stp_crc_err : 1;
+ uint64_t stp_bad_sts : 1;
+ uint64_t stp_val : 1;
+ uint64_t rsp_timeout : 1;
+ uint64_t rsp_crc_err : 1;
+ uint64_t rsp_bad_sts : 1;
+ uint64_t rsp_val : 1;
+ uint64_t rsp_type : 3;
+ uint64_t cmd_type : 2;
+ uint64_t cmd_idx : 6;
+ uint64_t cmd_done : 1;
+ } s;
+};
+
+/**
+ * mio_emm_sample
+ */
+union mio_emm_sample {
+ u64 u;
+ struct mio_emm_sample_s {
+ uint64_t reserved_26_63 : 38;
+ uint64_t cmd_cnt : 10;
+ uint64_t reserved_10_15 : 6;
+ uint64_t dat_cnt : 10;
+ } s;
+};
+
+/**
+ * mio_emm_sts_mask
+ */
+union mio_emm_sts_mask {
+ u64 u;
+ struct mio_emm_sts_mask_s {
+ uint64_t reserved_32_63 : 32;
+ uint64_t sts_msk : 32;
+ } s;
+};
+
+/**
+ * mio_emm_switch
+ *
+ * MIO_EMM_SWITCH = MIO EMMC Operating mode switch Register
+ *
+ */
+union mio_emm_switch {
+ u64 u;
+ struct mio_emm_switch_s {
+ uint64_t reserved_62_63 : 2;
+ uint64_t bus_id : 2;
+ uint64_t switch_exe : 1;
+ uint64_t switch_err0 : 1;
+ uint64_t switch_err1 : 1;
+ uint64_t switch_err2 : 1;
+ uint64_t reserved_49_55 : 7;
+ uint64_t hs_timing : 1;
+ uint64_t reserved_43_47 : 5;
+ uint64_t bus_width : 3;
+ uint64_t reserved_36_39 : 4;
+ uint64_t power_class : 4;
+ uint64_t clk_hi : 16;
+ uint64_t clk_lo : 16;
+ } s;
+};
+
+/**
+ * mio_emm_wdog
+ *
+ * MIO_EMM_WDOG = MIO EMMC Watchdog Register
+ *
+ */
+union mio_emm_wdog {
+ u64 u;
+ struct mio_emm_wdog_s {
+ uint64_t reserved_26_63 : 38;
+ uint64_t clk_cnt : 26;
+ } s;
+};
+
+/*
+ * The following structs are only available to enable compilation of the common
+ * MMC driver. These registers do not exist on MIPS Octeon.
+ */
+
+/**
+ * Register (RSL) mio_emm_timing
+ *
+ * eMMC Timing Register This register determines the number of tap delays
+ * the EMM_DAT, EMM_DS, and EMM_CMD lines are transmitted or received in
+ * relation to EMM_CLK. These values should only be changed when the eMMC
+ * bus is idle.
+ */
+union mio_emm_timing {
+ u64 u;
+ struct mio_emm_timing_s {
+ u64 data_out_tap : 6;
+ u64 reserved_6_15 : 10;
+ u64 data_in_tap : 6;
+ u64 reserved_22_31 : 10;
+ u64 cmd_out_tap : 6;
+ u64 reserved_38_47 : 10;
+ u64 cmd_in_tap : 6;
+ u64 reserved_54_63 : 10;
+ } s;
+};
+
+/**
+ * Register (RSL) mio_emm_debug
+ *
+ * eMMC Debug Register
+ */
+union mio_emm_debug {
+ u64 u;
+ struct mio_emm_debug_s {
+ u64 clk_on : 1;
+ u64 reserved_1_7 : 7;
+ u64 cmd_sm : 4;
+ u64 data_sm : 4;
+ u64 dma_sm : 4;
+ u64 emmc_clk_disable : 1;
+ u64 rdsync_rst : 1;
+ u64 reserved_22_63 : 42;
+ } s;
+};
+
+#endif
diff --git a/configs/octeon_ebb7304_defconfig b/configs/octeon_ebb7304_defconfig
index a98d73a..ae93b49 100644
--- a/configs/octeon_ebb7304_defconfig
+++ b/configs/octeon_ebb7304_defconfig
@@ -14,6 +14,7 @@
CONFIG_HUSH_PARSER=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
CONFIG_CMD_MTD=y
CONFIG_CMD_PART=y
CONFIG_CMD_PCI=y
@@ -24,12 +25,17 @@
CONFIG_CMD_EXT4=y
CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y
-# CONFIG_DOS_PARTITION is not set
+CONFIG_AMIGA_PARTITION=y
+CONFIG_EFI_PARTITION=y
+CONFIG_PARTITION_TYPE_GUID=y
CONFIG_ENV_IS_IN_FLASH=y
CONFIG_ENV_ADDR=0x1FBFE000
-CONFIG_BLK=y
CONFIG_CLK=y
# CONFIG_INPUT is not set
+CONFIG_MISC=y
+CONFIG_MMC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_OCTEONTX=y
CONFIG_MTD=y
CONFIG_DM_MTD=y
CONFIG_MTD_NOR_FLASH=y
@@ -45,6 +51,8 @@
# CONFIG_NETDEVICES is not set
CONFIG_PCI=y
CONFIG_DM_PCI=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
CONFIG_RAM=y
CONFIG_RAM_OCTEON=y
CONFIG_RAM_OCTEON_DDR4=y
@@ -59,6 +67,7 @@
CONFIG_DM_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_STORAGE=y
CONFIG_USB_HOST_ETHER=y
CONFIG_USB_ETHER_ASIX=y
CONFIG_USB_ETHER_ASIX88179=y
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index d862d1e..f4ad1db 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -317,13 +317,13 @@
If you have an MMC controller on a PCI bus, say Y here.
config MMC_OCTEONTX
- bool "Marvell OcteonTX Multimedia Card Interface support"
- depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
+ bool "Marvell Octeon Multimedia Card Interface support"
+ depends on (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2)
depends on DM_MMC
help
- This selects the OcteonTX Multimedia card Interface.
- If you have an OcteonTX/TX2 board with a Multimedia Card slot,
- say Y here.
+ This selects the Octeon Multimedia card Interface.
+ If you have an OcteonTX/TX2 or MIPS Octeon board with a
+ Multimedia Card slot, say Y here.
If unsure, say N.
diff --git a/drivers/mmc/octeontx_hsmmc.c b/drivers/mmc/octeontx_hsmmc.c
index 442ca49..2e569a9 100644
--- a/drivers/mmc/octeontx_hsmmc.c
+++ b/drivers/mmc/octeontx_hsmmc.c
@@ -1,13 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Marvell International Ltd.
- *
- * https://spdx.org/licenses
*/
-//#define DEBUG
+#include <clk.h>
#include <cpu_func.h>
#include <dm.h>
+#include <dm/device-internal.h>
#include <dm/lists.h>
#include <env.h>
#include <errno.h>
@@ -19,23 +18,31 @@
#include <part.h>
#include <pci.h>
#include <pci_ids.h>
+#include <power/regulator.h>
#include <time.h>
#include <watchdog.h>
-
+#include <asm/io.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/libfdt.h>
+#if defined(CONFIG_ARCH_OCTEON)
+#include <mach/octeon-model.h>
+#include <mach/cvmx-regs.h>
+#include <mach/cvmx-mio-emm-defs.h>
+#else
#include <asm/arch/board.h>
#include <asm/arch/clock.h>
#include <asm/arch/csrs/csrs-mio_emm.h>
-#include <asm/io.h>
-#include <dm/device-internal.h>
-
-#include <power/regulator.h>
+#endif
#include "octeontx_hsmmc.h"
+/* Use dummy implementation for MIPS Octeon to always return false */
+#if defined(CONFIG_ARCH_OCTEON)
+#define otx_is_soc(ver) 0
+#endif
+
#define MMC_TIMEOUT_SHORT 20 /* in ms */
#define MMC_TIMEOUT_LONG 1000
#define MMC_TIMEOUT_ERASE 10000
@@ -71,16 +78,18 @@
#define MMC_DEFAULT_TAP_DELAY 4
#define TOTAL_NO_OF_TAPS 512
static void octeontx_mmc_switch_to(struct mmc *mmc);
-static int octeontx_mmc_configure_delay(struct mmc *mmc);
-static void octeontx_mmc_set_timing(struct mmc *mmc);
static void set_wdog(struct mmc *mmc, u64 us);
static void do_switch(struct mmc *mmc, union mio_emm_switch emm_switch);
static int octeontx_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
struct mmc_data *data);
-static int octeontx2_mmc_calc_delay(struct mmc *mmc, int delay);
+static int octeontx_mmc_configure_delay(struct mmc *mmc);
static int octeontx_mmc_calibrate_delay(struct mmc *mmc);
+#if !defined(CONFIG_ARCH_OCTEON)
+static int octeontx2_mmc_calc_delay(struct mmc *mmc, int delay);
+static void octeontx_mmc_set_timing(struct mmc *mmc);
static int octeontx_mmc_set_input_bus_timing(struct mmc *mmc);
static int octeontx_mmc_set_output_bus_timing(struct mmc *mmc);
+#endif
static bool host_probed;
@@ -338,6 +347,7 @@
}
#endif
+#if !defined(CONFIG_ARCH_OCTEON)
/**
* Print out all of the register values where mmc is optional
*
@@ -687,6 +697,12 @@
if (print)
octeontx_mmc_print_registers2(mmc, mmc_to_host(mmc));
}
+#else
+static void octeontx_mmc_print_registers(struct mmc *mmc)
+{
+ return;
+}
+#endif
static const struct octeontx_sd_mods octeontx_cr_types[] = {
{ {0, 0}, {0, 0}, {0, 0} }, /* CMD0 */
@@ -838,14 +854,17 @@
break;
case EXT_CSD_HS_TIMING:
slot->want_switch.s.hs_timing = 0;
+#if !defined(CONFIG_ARCH_OCTEON)
slot->want_switch.s.hs200_timing = 0;
slot->want_switch.s.hs400_timing = 0;
+#endif
switch (val & 0xf) {
case 0:
break;
case 1:
slot->want_switch.s.hs_timing = 1;
break;
+#if !defined(CONFIG_ARCH_OCTEON)
case 2:
if (!slot->is_asim && !slot->is_emul)
slot->want_switch.s.hs200_timing = 1;
@@ -854,6 +873,7 @@
if (!slot->is_asim && !slot->is_emul)
slot->want_switch.s.hs400_timing = 1;
break;
+#endif
default:
pr_err("%s(%s): Unsupported timing mode 0x%x\n",
__func__, mmc->dev->name, val & 0xf);
@@ -2413,7 +2433,10 @@
struct octeontx_mmc_slot *slot = mmc_to_slot(mmc);
struct octeontx_mmc_host *host = slot->host;
- return DIV_ROUND_UP(host->sys_freq, mmc->clock);
+ if (mmc->clock)
+ return DIV_ROUND_UP(host->sys_freq, mmc->clock);
+
+ return 0;
}
static int octeontx_mmc_set_ios(struct udevice *dev)
@@ -2489,14 +2512,18 @@
case UHS_SDR25:
case UHS_SDR50:
case UHS_SDR104:
+#if !defined(CONFIG_ARCH_OCTEON)
emm_switch.s.hs200_timing = 1;
+#endif
break;
case MMC_HS_400:
is_hs400 = true;
fallthrough;
case UHS_DDR50:
case MMC_DDR_52:
+#if !defined(CONFIG_ARCH_OCTEON)
emm_switch.s.hs400_timing = 1;
+#endif
break;
default:
pr_err("%s(%s): Unsupported mode 0x%x\n", __func__, dev->name,
@@ -2522,17 +2549,21 @@
mmc->selected_mode);
}
+#if !defined(CONFIG_ARCH_OCTEON)
debug(" Trying switch 0x%llx w%d hs:%d hs200:%d hs400:%d\n",
emm_switch.u, emm_switch.s.bus_width, emm_switch.s.hs_timing,
emm_switch.s.hs200_timing, emm_switch.s.hs400_timing);
+#endif
set_wdog(mmc, 1000);
do_switch(mmc, emm_switch);
mdelay(100);
mode.u = read_csr(mmc, MIO_EMM_MODEX(slot->bus_id));
+#if !defined(CONFIG_ARCH_OCTEON)
debug("%s(%s): mode: 0x%llx w:%d, hs:%d, hs200:%d, hs400:%d\n",
__func__, dev->name, mode.u, mode.s.bus_width,
mode.s.hs_timing, mode.s.hs200_timing, mode.s.hs400_timing);
+#endif
err = octeontx_mmc_configure_delay(mmc);
@@ -2578,6 +2609,26 @@
return val;
}
+#if defined(CONFIG_ARCH_OCTEON)
+static int octeontx_mmc_configure_delay(struct mmc *mmc)
+{
+ struct octeontx_mmc_slot *slot = mmc_to_slot(mmc);
+ union mio_emm_sample emm_sample;
+
+ debug("%s(%s)\n", __func__, mmc->dev->name);
+
+ emm_sample.u = 0;
+ emm_sample.s.cmd_cnt = slot->cmd_cnt;
+ emm_sample.s.dat_cnt = slot->dat_cnt;
+ write_csr(mmc, MIO_EMM_SAMPLE(), emm_sample.u);
+
+ return 0;
+}
+
+static void octeontx_mmc_io_drive_setup(struct mmc *mmc)
+{
+}
+#else
static void octeontx_mmc_set_timing(struct mmc *mmc)
{
union mio_emm_timing timing;
@@ -2613,7 +2664,8 @@
debug("%s(%s)\n", __func__, mmc->dev->name);
- if (IS_ENABLED(CONFIG_ARCH_OCTEONTX)) {
+ if (IS_ENABLED(CONFIG_ARCH_OCTEON) ||
+ IS_ENABLED(CONFIG_ARCH_OCTEONTX)) {
union mio_emm_sample emm_sample;
emm_sample.u = 0;
@@ -2760,6 +2812,28 @@
}
/**
+ * Set the IO drive strength and slew
+ *
+ * @param mmc mmc device
+ */
+static void octeontx_mmc_io_drive_setup(struct mmc *mmc)
+{
+ if (IS_ENABLED(CONFIG_ARCH_OCTEONTX2)) {
+ struct octeontx_mmc_slot *slot = mmc_to_slot(mmc);
+ union mio_emm_io_ctl io_ctl;
+
+ if (slot->drive < 0 || slot->slew < 0)
+ return;
+
+ io_ctl.u = 0;
+ io_ctl.s.drive = slot->drive;
+ io_ctl.s.slew = slot->slew;
+ write_csr(mmc, MIO_EMM_IO_CTL(), io_ctl.u);
+ }
+}
+#endif
+
+/**
* Sets the MMC watchdog timer in microseconds
*
* @param mmc mmc device
@@ -2785,27 +2859,6 @@
}
/**
- * Set the IO drive strength and slew
- *
- * @param mmc mmc device
- */
-static void octeontx_mmc_io_drive_setup(struct mmc *mmc)
-{
- if (!IS_ENABLED(CONFIG_ARCH_OCTEONTX)) {
- struct octeontx_mmc_slot *slot = mmc_to_slot(mmc);
- union mio_emm_io_ctl io_ctl;
-
- if (slot->drive < 0 || slot->slew < 0)
- return;
-
- io_ctl.u = 0;
- io_ctl.s.drive = slot->drive;
- io_ctl.s.slew = slot->slew;
- write_csr(mmc, MIO_EMM_IO_CTL(), io_ctl.u);
- }
-}
-
-/**
* Print switch errors
*
* @param mmc mmc device
@@ -2859,6 +2912,31 @@
}
/**
+ * Calibrates the delay based on the internal clock
+ *
+ * @param mmc Pointer to mmc data structure
+ *
+ * @return 0 for success or -ETIMEDOUT on error
+ *
+ * NOTE: On error a default value will be calculated.
+ */
+#if defined(CONFIG_ARCH_OCTEON)
+static int octeontx_mmc_set_input_bus_timing(struct mmc *mmc)
+{
+ return 0;
+}
+
+static int octeontx_mmc_set_output_bus_timing(struct mmc *mmc)
+{
+ return 0;
+}
+
+static int octeontx_mmc_calibrate_delay(struct mmc *mmc)
+{
+ return 0;
+}
+#else
+/**
* Given a delay in ps, return the tap delay count
*
* @param mmc mmc data structure
@@ -2883,15 +2961,6 @@
return min_t(int, DIV_ROUND_UP(delay, host->timing_taps), 63);
}
-/**
- * Calibrates the delay based on the internal clock
- *
- * @param mmc Pointer to mmc data structure
- *
- * @return 0 for success or -ETIMEDOUT on error
- *
- * NOTE: On error a default value will be calculated.
- */
static int octeontx_mmc_calibrate_delay(struct mmc *mmc)
{
union mio_emm_calb emm_calb;
@@ -3141,6 +3210,7 @@
return 0;
}
+#endif
static void octeontx_mmc_set_clock(struct mmc *mmc)
{
@@ -3389,8 +3459,10 @@
{
u32 volt = 0;
- /* Convert to millivolts */
- voltage /= 1000;
+ /* Convert to millivolts. Only necessary on ARM Octeon TX/TX2 */
+ if (!IS_ENABLED(CONFIG_ARCH_OCTEON))
+ voltage /= 1000;
+
if (voltage >= 1650 && voltage <= 1950)
volt |= MMC_VDD_165_195;
if (voltage >= 2000 && voltage <= 2100)
@@ -3736,6 +3808,8 @@
{
struct octeontx_mmc_host *host = dev_get_priv(dev);
union mio_emm_int emm_int;
+ struct clk clk;
+ int ret;
u8 rev;
debug("%s(%s): Entry host: %p\n", __func__, dev->name, host);
@@ -3745,12 +3819,20 @@
return -ENODEV;
}
memset(host, 0, sizeof(*host));
- host->base_addr = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0,
- PCI_REGION_MEM);
- if (!host->base_addr) {
- pr_err("%s: Error: MMC base address not found\n", __func__);
- return -1;
+
+ /* Octeon TX & TX2 use PCI based probing */
+ if (device_is_compatible(dev, "cavium,thunder-8890-mmc")) {
+ host->base_addr = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0,
+ PCI_REGION_MEM);
+ if (!host->base_addr) {
+ pr_err("%s: Error: MMC base address not found\n",
+ __func__);
+ return -1;
+ }
+ } else {
+ host->base_addr = dev_remap_addr(dev);
}
+
host->dev = dev;
debug("%s(%s): Base address: %p\n", __func__, dev->name,
host->base_addr);
@@ -3760,10 +3842,12 @@
}
host->node = dev_ofnode(dev);
host->last_slotid = -1;
+#if !defined(CONFIG_ARCH_OCTEON)
if (otx_is_platform(PLATFORM_ASIM))
host->is_asim = true;
if (otx_is_platform(PLATFORM_EMULATOR))
host->is_emul = true;
+#endif
host->dma_wait_delay =
ofnode_read_u32_default(dev_ofnode(dev),
"marvell,dma-wait-delay", 1);
@@ -3776,7 +3860,15 @@
writeq(emm_int.u, host->base_addr + MIO_EMM_INT());
debug("%s(%s): Getting I/O clock\n", __func__, dev->name);
- host->sys_freq = octeontx_get_io_clock();
+ ret = clk_get_by_index(dev, 0, &clk);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_enable(&clk);
+ if (ret)
+ return ret;
+
+ host->sys_freq = clk_get_rate(&clk);
debug("%s(%s): I/O clock %llu\n", __func__, dev->name, host->sys_freq);
if (IS_ENABLED(CONFIG_ARCH_OCTEONTX2)) {
@@ -3882,6 +3974,7 @@
static const struct udevice_id octeontx_hsmmc_host_ids[] = {
{ .compatible = "cavium,thunder-8890-mmc" },
+ { .compatible = "cavium,octeon-7360-mmc" },
{ }
};
diff --git a/drivers/net/mscc_eswitch/jr2_switch.c b/drivers/net/mscc_eswitch/jr2_switch.c
index 128d7f2..570d5a5 100644
--- a/drivers/net/mscc_eswitch/jr2_switch.c
+++ b/drivers/net/mscc_eswitch/jr2_switch.c
@@ -235,7 +235,7 @@
"port36", "port37", "port38", "port39", "port40", "port41", "port42",
"port43", "port44", "port45", "port46", "port47",
"ana_ac", "ana_cl", "ana_l2", "asm", "hsio", "lrn",
- "qfwd", "qs", "qsys", "rew",
+ "qfwd", "qs", "qsys", "rew", "gcb", "icpu",
};
#define REGS_NAMES_COUNT ARRAY_SIZE(regs_names) + 1
@@ -252,6 +252,8 @@
QS,
QSYS,
REW,
+ GCB,
+ ICPU,
};
#define JR2_MIIM_BUS_COUNT 3
@@ -367,7 +369,6 @@
{
u32 ib_if_mode = 0;
u32 ib_qrate = 0;
- u32 ib_cal_ena = 0;
u32 ib1_tsdet = 0;
u32 ob_lev = 0;
u32 ob_ena_cas = 0;
@@ -379,7 +380,6 @@
case PHY_INTERFACE_MODE_SGMII:
ib_if_mode = 1;
ib_qrate = 1;
- ib_cal_ena = 1;
ib1_tsdet = 3;
ob_lev = 48;
ob_ena_cas = 2;
@@ -402,6 +402,12 @@
if (interface == PHY_INTERFACE_MODE_QSGMII)
writel(0xfff, base + HSIO_HW_CFGSTAT_HW_CFG);
+ writel(HSIO_ANA_SERDES6G_OB_CFG_RESISTOR_CTRL(1) |
+ HSIO_ANA_SERDES6G_OB_CFG_SR(7) |
+ HSIO_ANA_SERDES6G_OB_CFG_SR_H |
+ HSIO_ANA_SERDES6G_OB_CFG_ENA1V_MODE(ob_ena1v_mode) |
+ HSIO_ANA_SERDES6G_OB_CFG_POL, base + HSIO_ANA_SERDES6G_OB_CFG);
+
writel(HSIO_ANA_SERDES6G_COMMON_CFG_IF_MODE(3),
base + HSIO_ANA_SERDES6G_COMMON_CFG);
writel(HSIO_ANA_SERDES6G_PLL_CFG_FSM_CTRL_DATA(120) |
@@ -431,6 +437,21 @@
HSIO_ANA_SERDES6G_IB_CFG1_TSDET(3) |
HSIO_ANA_SERDES6G_IB_CFG1_TJTAG(8),
base + HSIO_ANA_SERDES6G_IB_CFG1);
+
+ writel(HSIO_ANA_SERDES6G_IB_CFG2_UREG(4) |
+ HSIO_ANA_SERDES6G_IB_CFG2_UMAX(2) |
+ HSIO_ANA_SERDES6G_IB_CFG2_TCALV(12) |
+ HSIO_ANA_SERDES6G_IB_CFG2_OCALS(32) |
+ HSIO_ANA_SERDES6G_IB_CFG2_OINFS(7) |
+ HSIO_ANA_SERDES6G_IB_CFG2_OINFI(0x1f) |
+ HSIO_ANA_SERDES6G_IB_CFG2_TINFV(3),
+ base + HSIO_ANA_SERDES6G_IB_CFG2);
+
+ writel(HSIO_ANA_SERDES6G_IB_CFG3_INI_OFFSET(0x1f) |
+ HSIO_ANA_SERDES6G_IB_CFG3_INI_LP(1) |
+ HSIO_ANA_SERDES6G_IB_CFG3_INI_MID(0x1f),
+ base + HSIO_ANA_SERDES6G_IB_CFG3);
+
writel(HSIO_DIG_SERDES6G_MISC_CFG_LANE_RST,
base + HSIO_DIG_SERDES6G_MISC_CFG);
@@ -505,7 +526,7 @@
writel(HSIO_ANA_SERDES6G_IB_CFG_REG_ENA |
HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA |
HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA |
- HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(ib_cal_ena) |
+ HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(1) |
HSIO_ANA_SERDES6G_IB_CFG_CONCUR |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(0) |
@@ -530,7 +551,7 @@
writel(HSIO_ANA_SERDES6G_IB_CFG_REG_ENA |
HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA |
HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA |
- HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(ib_cal_ena) |
+ HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(1) |
HSIO_ANA_SERDES6G_IB_CFG_CONCUR |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(0) |
@@ -850,6 +871,7 @@
struct mii_dev *bus;
struct ofnode_phandle_args phandle;
struct phy_device *phy;
+ u32 val;
if (!priv)
return -EINVAL;
@@ -865,6 +887,17 @@
}
}
+ val = readl(priv->regs[ICPU] + ICPU_RESET);
+ val |= ICPU_RESET_CORE_RST_PROTECT;
+ writel(val, priv->regs[ICPU] + ICPU_RESET);
+
+ val = readl(priv->regs[GCB] + PERF_SOFT_RST);
+ val |= PERF_SOFT_RST_SOFT_SWC_RST;
+ writel(val, priv->regs[GCB] + PERF_SOFT_RST);
+
+ while (readl(priv->regs[GCB] + PERF_SOFT_RST) & PERF_SOFT_RST_SOFT_SWC_RST)
+ ;
+
/* Initialize miim buses */
memset(&miim, 0x0, sizeof(struct mscc_miim_dev) * JR2_MIIM_BUS_COUNT);
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8933f60..ba75c27 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -346,6 +346,28 @@
return ret;
}
+static int ehci_iaa_cycle(struct ehci_ctrl *ctrl)
+{
+ u32 cmd, status;
+ int ret;
+
+ /* Enable Interrupt on Async Advance Doorbell. */
+ cmd = ehci_readl(&ctrl->hcor->or_usbcmd);
+ cmd |= CMD_IAAD;
+ ehci_writel(&ctrl->hcor->or_usbcmd, cmd);
+
+ ret = handshake(&ctrl->hcor->or_usbsts, STS_IAA, STS_IAA,
+ 10 * 1000); /* 10ms timeout */
+ if (ret < 0)
+ printf("EHCI fail timeout STS_IAA set\n");
+
+ status = ehci_readl(&ctrl->hcor->or_usbsts);
+ if (status & STS_IAA)
+ ehci_writel(&ctrl->hcor->or_usbsts, STS_IAA);
+
+ return ret;
+}
+
static int
ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
int length, struct devrequest *req)
@@ -631,6 +653,11 @@
flush_dcache_range((unsigned long)&ctrl->qh_list,
ALIGN_END_ADDR(struct QH, &ctrl->qh_list, 1));
+ /* Set IAAD, poll IAA */
+ ret = ehci_iaa_cycle(ctrl);
+ if (ret)
+ goto fail;
+
/*
* Invalidate the memory area occupied by buffer
* Don't try to fix the buffer alignment, if it isn't properly
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 8e07554..e9e6f2a 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -44,6 +44,7 @@
#define STS_ASS (1 << 15)
#define STS_PSS (1 << 14)
#define STS_HALT (1 << 12)
+#define STS_IAA (1 << 5)
uint32_t or_usbintr;
#define INTR_UE (1 << 0) /* USB interrupt enable */
#define INTR_UEE (1 << 1) /* USB error interrupt enable */