Signed-off-by: Zhao Qiang <[email protected]>
---
arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts | 16 ++++++
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 66 +++++++++++++++++++++++
2 files changed, 82 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
index c37110b..8f23f39 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
@@ -132,6 +132,22 @@
};
};
+&uqe {
+ ucc_hdlc: ucc@2000 {
+ compatible = "fsl,ucc-hdlc";
+ rx-clock-name = "clk8";
+ tx-clock-name = "clk9";
+ fsl,rx-sync-clock = "rsync_pin";
+ fsl,tx-sync-clock = "tsync_pin";
+ fsl,tx-timeslot-mask = <0xfffffffe>;
+ fsl,rx-timeslot-mask = <0xfffffffe>;
+ fsl,tdm-framer-type = "e1";
+ fsl,tdm-id = <0>;
+ fsl,siram-entry-id = <0>;
+ fsl,tdm-interface;
+ };
+};
+
&duart0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index ec13a6e..38e8e2b 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -474,6 +474,72 @@
#interrupt-cells = <2>;
};
+ uqe: uqe@2400000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "qe";
+ compatible = "fsl,qe", "simple-bus";
+ ranges = <0x0 0x0 0x2400000 0x40000>;
+ reg = <0x0 0x2400000 0x0 0x480>;
+ brg-frequency = <100000000>;
+ bus-frequency = <200000000>;
+
+ fsl,qe-num-riscs = <1>;
+ fsl,qe-num-snums = <28>;
+
+ qeic: qeic@80 {
+ compatible = "fsl,qe-ic";
+ reg = <0x80 0x80>;
+ #address-cells = <0>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupts = <0 77 0x04 0 77 0x04>;
+ };
+
+ si1: si@700 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,ls1043-qe-si",
+ "fsl,t1040-qe-si";
+ reg = <0x700 0x80>;
+ };
+
+ siram1: siram@1000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,ls1043-qe-siram",
+ "fsl,t1040-qe-siram";
+ reg = <0x1000 0x800>;
+ };
+
+ ucc@2000 {
+ cell-index = <1>;
+ reg = <0x2000 0x200>;
+ interrupts = <32>;
+ interrupt-parent = <&qeic>;
+ };
+
+ ucc@2200 {
+ cell-index = <3>;
+ reg = <0x2200 0x200>;
+ interrupts = <34>;
+ interrupt-parent = <&qeic>;
+ };
+
+ muram@10000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,qe-muram", "fsl,cpm-muram";
+ ranges = <0x0 0x10000 0x6000>;
+
+ data-only@0 {
+ compatible = "fsl,qe-muram-data",
+ "fsl,cpm-muram-data";
+ reg = <0x0 0x6000>;
+ };
+ };
+ };
+
lpuart0: serial@2950000 {
compatible = "fsl,ls1021a-lpuart";
reg = <0x0 0x2950000 0x0 0x1000>;
--
2.1.0.27.g96db324
From 1583306865725620303@xxx Mon Nov 06 09:04:52 +0000 2017
X-GM-THRID: 1583306865725620303
X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread
QE was supported on PowerPC, and dependent on PPC,
Now it is supported on other platforms. so remove PPCisms.
Signed-off-by: Zhao Qiang <[email protected]>
---
drivers/net/ethernet/freescale/Kconfig | 11 ++---
drivers/soc/fsl/qe/Kconfig | 2 +-
drivers/soc/fsl/qe/qe.c | 80 ++++++++++++++++++++--------------
drivers/soc/fsl/qe/qe_io.c | 42 ++++++++----------
drivers/soc/fsl/qe/qe_tdm.c | 8 ++--
drivers/soc/fsl/qe/ucc.c | 10 ++---
drivers/soc/fsl/qe/ucc_fast.c | 74 ++++++++++++++++---------------
drivers/tty/serial/Kconfig | 2 +-
drivers/tty/serial/ucc_uart.c | 1 +
drivers/usb/gadget/udc/Kconfig | 2 +-
drivers/usb/host/Kconfig | 2 +-
include/soc/fsl/qe/qe.h | 1 -
12 files changed, 124 insertions(+), 111 deletions(-)
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index 6e490fd2..015bdb8 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -5,10 +5,11 @@
config NET_VENDOR_FREESCALE
bool "Freescale devices"
default y
- depends on FSL_SOC || QUICC_ENGINE || CPM1 || CPM2 || PPC_MPC512x || \
- M523x || M527x || M5272 || M528x || M520x || M532x || \
- ARCH_MXC || ARCH_MXS || (PPC_MPC52xx && PPC_BESTCOMM) || \
- ARCH_LAYERSCAPE || COMPILE_TEST
+ depends on FSL_SOC || (QUICC_ENGINE && PPC32) || CPM1 || CPM2 || \
+ PPC_MPC512x || M523x || M527x || M5272 || M528x || M520x || \
+ M532x || ARCH_MXC || ARCH_MXS || \
+ (PPC_MPC52xx && PPC_BESTCOMM) || ARCH_LAYERSCAPE || \
+ COMPILE_TEST
---help---
If you have a network (Ethernet) card belonging to this class, say Y.
@@ -73,7 +74,7 @@ config FSL_XGMAC_MDIO
config UCC_GETH
tristate "Freescale QE Gigabit Ethernet"
- depends on QUICC_ENGINE
+ depends on QUICC_ENGINE && FSL_SOC && PPC32
select FSL_PQ_MDIO
select PHYLIB
---help---
diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig
index 73a2e08..b26b643 100644
--- a/drivers/soc/fsl/qe/Kconfig
+++ b/drivers/soc/fsl/qe/Kconfig
@@ -4,7 +4,7 @@
config QUICC_ENGINE
bool "Freescale QUICC Engine (QE) Support"
- depends on FSL_SOC && PPC32
+ depends on OF && HAS_IOMEM
select GENERIC_ALLOCATOR
select CRC32
help
diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c
index ade168f..52aaf41 100644
--- a/drivers/soc/fsl/qe/qe.c
+++ b/drivers/soc/fsl/qe/qe.c
@@ -33,8 +33,6 @@
#include <asm/pgtable.h>
#include <soc/fsl/qe/immap_qe.h>
#include <soc/fsl/qe/qe.h>
-#include <asm/prom.h>
-#include <asm/rheap.h>
static void qe_snums_init(void);
static int qe_sdma_init(void);
@@ -109,15 +107,27 @@ void qe_reset(void)
panic("sdma init failed!");
}
+/* issue commands to QE, return 0 on success while -EIO on error
+ *
+ * @cmd: the command code, should be QE_INIT_TX_RX, QE_STOP_TX and so on
+ * @device: which sub-block will run the command, QE_CR_SUBBLOCK_UCCFAST1 - 8
+ * , QE_CR_SUBBLOCK_UCCSLOW1 - 8, QE_CR_SUBBLOCK_MCC1 - 3,
+ * QE_CR_SUBBLOCK_IDMA1 - 4 and such on.
+ * @mcn_protocol: specifies mode for the command for non-MCC, should be
+ * QE_CR_PROTOCOL_HDLC_TRANSPARENT, QE_CR_PROTOCOL_QMC, QE_CR_PROTOCOL_UART
+ * and such on.
+ * @cmd_input: command related data.
+ */
int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input)
{
unsigned long flags;
u8 mcn_shift = 0, dev_shift = 0;
- u32 ret;
+ int ret;
+ int i;
spin_lock_irqsave(&qe_lock, flags);
if (cmd == QE_RESET) {
- out_be32(&qe_immr->cp.cecr, (u32) (cmd | QE_CR_FLG));
+ iowrite32be((cmd | QE_CR_FLG), &qe_immr->cp.cecr);
} else {
if (cmd == QE_ASSIGN_PAGE) {
/* Here device is the SNUM, not sub-block */
@@ -134,20 +144,26 @@ int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input)
mcn_shift = QE_CR_MCN_NORMAL_SHIFT;
}
- out_be32(&qe_immr->cp.cecdr, cmd_input);
- out_be32(&qe_immr->cp.cecr,
- (cmd | QE_CR_FLG | ((u32) device << dev_shift) | (u32)
- mcn_protocol << mcn_shift));
+ iowrite32be(cmd_input, &qe_immr->cp.cecdr);
+ iowrite32be((cmd | QE_CR_FLG | ((u32)device << dev_shift) |
+ (u32)mcn_protocol << mcn_shift), &qe_immr->cp.cecr);
}
/* wait for the QE_CR_FLG to clear */
- ret = spin_event_timeout((in_be32(&qe_immr->cp.cecr) & QE_CR_FLG) == 0,
- 100, 0);
+ ret = -EIO;
+ for (i = 0; i < 100; i++) {
+ if ((ioread32be(&qe_immr->cp.cecr) & QE_CR_FLG) == 0) {
+ ret = 0;
+ break;
+ }
+ udelay(1);
+ }
+
/* On timeout (e.g. failure), the expression will be false (ret == 0),
otherwise it will be true (ret == 1). */
spin_unlock_irqrestore(&qe_lock, flags);
- return ret == 1;
+ return ret;
}
EXPORT_SYMBOL(qe_issue_cmd);
@@ -166,8 +182,8 @@ static unsigned int brg_clk = 0;
unsigned int qe_get_brg_clk(void)
{
struct device_node *qe;
- int size;
- const u32 *prop;
+ u32 val;
+ int ret;
if (brg_clk)
return brg_clk;
@@ -179,9 +195,9 @@ unsigned int qe_get_brg_clk(void)
return brg_clk;
}
- prop = of_get_property(qe, "brg-frequency", &size);
- if (prop && size == sizeof(*prop))
- brg_clk = *prop;
+ ret = of_property_read_u32(qe, "brg-frequency", &val);
+ if (!ret)
+ brg_clk = val;
of_node_put(qe);
@@ -221,7 +237,7 @@ int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier)
tempval = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) |
QE_BRGC_ENABLE | div16;
- out_be32(&qe_immr->brg.brgc[brg - QE_BRG1], tempval);
+ iowrite32be(tempval, &qe_immr->brg.brgc[brg - QE_BRG1]);
return 0;
}
@@ -355,9 +371,9 @@ static int qe_sdma_init(void)
return -ENOMEM;
}
- out_be32(&sdma->sdebcr, (u32) sdma_buf_offset & QE_SDEBCR_BA_MASK);
- out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK |
- (0x1 << QE_SDMR_CEN_SHIFT)));
+ iowrite32be((u32)sdma_buf_offset & QE_SDEBCR_BA_MASK, &sdma->sdebcr);
+ iowrite32be((QE_SDMR_GLB_1_MSK | (0x1 << QE_SDMR_CEN_SHIFT)),
+ &sdma->sdmr);
return 0;
}
@@ -395,14 +411,14 @@ static void qe_upload_microcode(const void *base,
"uploading microcode '%s'\n", ucode->id);
/* Use auto-increment */
- out_be32(&qe_immr->iram.iadd, be32_to_cpu(ucode->iram_offset) |
- QE_IRAM_IADD_AIE | QE_IRAM_IADD_BADDR);
+ iowrite32be(be32_to_cpu(ucode->iram_offset) | QE_IRAM_IADD_AIE |
+ QE_IRAM_IADD_BADDR, &qe_immr->iram.iadd);
for (i = 0; i < be32_to_cpu(ucode->count); i++)
- out_be32(&qe_immr->iram.idata, be32_to_cpu(code[i]));
+ iowrite32be(be32_to_cpu(code[i]), &qe_immr->iram.idata);
/* Set I-RAM Ready Register */
- out_be32(&qe_immr->iram.iready, be32_to_cpu(QE_IRAM_READY));
+ iowrite32be(be32_to_cpu(QE_IRAM_READY), &qe_immr->iram.iready);
}
/*
@@ -487,7 +503,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
* If the microcode calls for it, split the I-RAM.
*/
if (!firmware->split)
- setbits16(&qe_immr->cp.cercr, QE_CP_CERCR_CIR);
+ qe_setbits16(&qe_immr->cp.cercr, QE_CP_CERCR_CIR);
if (firmware->soc.model)
printk(KERN_INFO
@@ -521,11 +537,11 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
u32 trap = be32_to_cpu(ucode->traps[j]);
if (trap)
- out_be32(&qe_immr->rsp[i].tibcr[j], trap);
+ iowrite32be(trap, &qe_immr->rsp[i].tibcr[j]);
}
/* Enable traps */
- out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
+ iowrite32be(be32_to_cpu(ucode->eccr), &qe_immr->rsp[i].eccr);
}
qe_firmware_uploaded = 1;
@@ -644,9 +660,9 @@ EXPORT_SYMBOL(qe_get_num_of_risc);
unsigned int qe_get_num_of_snums(void)
{
struct device_node *qe;
- int size;
unsigned int num_of_snums;
- const u32 *prop;
+ u32 val;
+ int ret;
num_of_snums = 28; /* The default number of snum for threads is 28 */
qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
@@ -660,9 +676,9 @@ unsigned int qe_get_num_of_snums(void)
return num_of_snums;
}
- prop = of_get_property(qe, "fsl,qe-num-snums", &size);
- if (prop && size == sizeof(*prop)) {
- num_of_snums = *prop;
+ ret = of_property_read_u32(qe, "fsl,qe-num-snums", &val);
+ if (!ret) {
+ num_of_snums = val;
if ((num_of_snums < 28) || (num_of_snums > QE_NUM_OF_SNUM)) {
/* No QE ever has fewer than 28 SNUMs */
pr_err("QE: number of snum is invalid\n");
diff --git a/drivers/soc/fsl/qe/qe_io.c b/drivers/soc/fsl/qe/qe_io.c
index 7ae59ab..8966e8b 100644
--- a/drivers/soc/fsl/qe/qe_io.c
+++ b/drivers/soc/fsl/qe/qe_io.c
@@ -22,8 +22,6 @@
#include <asm/io.h>
#include <soc/fsl/qe/qe.h>
-#include <asm/prom.h>
-#include <sysdev/fsl_soc.h>
#undef DEBUG
@@ -61,16 +59,16 @@ void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin, int dir,
pin_mask1bit = (u32) (1 << (QE_PIO_PINS - (pin + 1)));
/* Set open drain, if required */
- tmp_val = in_be32(&par_io->cpodr);
+ tmp_val = ioread32be(&par_io->cpodr);
if (open_drain)
- out_be32(&par_io->cpodr, pin_mask1bit | tmp_val);
+ iowrite32be(pin_mask1bit | tmp_val, &par_io->cpodr);
else
- out_be32(&par_io->cpodr, ~pin_mask1bit & tmp_val);
+ iowrite32be(~pin_mask1bit & tmp_val, &par_io->cpodr);
/* define direction */
tmp_val = (pin > (QE_PIO_PINS / 2) - 1) ?
- in_be32(&par_io->cpdir2) :
- in_be32(&par_io->cpdir1);
+ ioread32be(&par_io->cpdir2) :
+ ioread32be(&par_io->cpdir1);
/* get all bits mask for 2 bit per port */
pin_mask2bits = (u32) (0x3 << (QE_PIO_PINS -
@@ -82,34 +80,30 @@ void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin, int dir,
/* clear and set 2 bits mask */
if (pin > (QE_PIO_PINS / 2) - 1) {
- out_be32(&par_io->cpdir2,
- ~pin_mask2bits & tmp_val);
+ iowrite32be(~pin_mask2bits & tmp_val, &par_io->cpdir2);
tmp_val &= ~pin_mask2bits;
- out_be32(&par_io->cpdir2, new_mask2bits | tmp_val);
+ iowrite32be(new_mask2bits | tmp_val, &par_io->cpdir2);
} else {
- out_be32(&par_io->cpdir1,
- ~pin_mask2bits & tmp_val);
+ iowrite32be(~pin_mask2bits & tmp_val, &par_io->cpdir1);
tmp_val &= ~pin_mask2bits;
- out_be32(&par_io->cpdir1, new_mask2bits | tmp_val);
+ iowrite32be(new_mask2bits | tmp_val, &par_io->cpdir1);
}
/* define pin assignment */
tmp_val = (pin > (QE_PIO_PINS / 2) - 1) ?
- in_be32(&par_io->cppar2) :
- in_be32(&par_io->cppar1);
+ ioread32be(&par_io->cppar2) :
+ ioread32be(&par_io->cppar1);
new_mask2bits = (u32) (assignment << (QE_PIO_PINS -
(pin % (QE_PIO_PINS / 2) + 1) * 2));
/* clear and set 2 bits mask */
if (pin > (QE_PIO_PINS / 2) - 1) {
- out_be32(&par_io->cppar2,
- ~pin_mask2bits & tmp_val);
+ iowrite32be(~pin_mask2bits & tmp_val, &par_io->cppar2);
tmp_val &= ~pin_mask2bits;
- out_be32(&par_io->cppar2, new_mask2bits | tmp_val);
+ iowrite32be(new_mask2bits | tmp_val, &par_io->cppar2);
} else {
- out_be32(&par_io->cppar1,
- ~pin_mask2bits & tmp_val);
+ iowrite32be(~pin_mask2bits & tmp_val, &par_io->cppar1);
tmp_val &= ~pin_mask2bits;
- out_be32(&par_io->cppar1, new_mask2bits | tmp_val);
+ iowrite32be(new_mask2bits | tmp_val, &par_io->cppar1);
}
}
EXPORT_SYMBOL(__par_io_config_pin);
@@ -137,12 +131,12 @@ int par_io_data_set(u8 port, u8 pin, u8 val)
/* calculate pin location */
pin_mask = (u32) (1 << (QE_PIO_PINS - 1 - pin));
- tmp_val = in_be32(&par_io[port].cpdata);
+ tmp_val = ioread32be(&par_io[port].cpdata);
if (val == 0) /* clear */
- out_be32(&par_io[port].cpdata, ~pin_mask & tmp_val);
+ iowrite32be(~pin_mask & tmp_val, &par_io[port].cpdata);
else /* set */
- out_be32(&par_io[port].cpdata, pin_mask | tmp_val);
+ iowrite32be(pin_mask | tmp_val, &par_io[port].cpdata);
return 0;
}
diff --git a/drivers/soc/fsl/qe/qe_tdm.c b/drivers/soc/fsl/qe/qe_tdm.c
index a1048b4..818e679 100644
--- a/drivers/soc/fsl/qe/qe_tdm.c
+++ b/drivers/soc/fsl/qe/qe_tdm.c
@@ -227,10 +227,10 @@ void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info)
&siram[siram_entry_id * 32 + 0x200 + i]);
}
- setbits16(&siram[(siram_entry_id * 32) + (utdm->num_of_ts - 1)],
- SIR_LAST);
- setbits16(&siram[(siram_entry_id * 32) + 0x200 + (utdm->num_of_ts - 1)],
- SIR_LAST);
+ qe_setbits16(&siram[(siram_entry_id * 32) + (utdm->num_of_ts - 1)],
+ SIR_LAST);
+ qe_setbits16(&siram[(siram_entry_id * 32) + 0x200 +
+ (utdm->num_of_ts - 1)], SIR_LAST);
/* Set SIxMR register */
sixmr = SIMR_SAD(siram_entry_id);
diff --git a/drivers/soc/fsl/qe/ucc.c b/drivers/soc/fsl/qe/ucc.c
index c646d87..bc64b83 100644
--- a/drivers/soc/fsl/qe/ucc.c
+++ b/drivers/soc/fsl/qe/ucc.c
@@ -39,7 +39,7 @@ int ucc_set_qe_mux_mii_mng(unsigned int ucc_num)
return -EINVAL;
spin_lock_irqsave(&cmxgcr_lock, flags);
- clrsetbits_be32(&qe_immr->qmx.cmxgcr, QE_CMXGCR_MII_ENET_MNG,
+ qe_clrsetbits32(&qe_immr->qmx.cmxgcr, QE_CMXGCR_MII_ENET_MNG,
ucc_num << QE_CMXGCR_MII_ENET_MNG_SHIFT);
spin_unlock_irqrestore(&cmxgcr_lock, flags);
@@ -84,7 +84,7 @@ int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed)
return -EINVAL;
}
- clrsetbits_8(guemr, UCC_GUEMR_MODE_MASK,
+ qe_clrsetbits8(guemr, UCC_GUEMR_MODE_MASK,
UCC_GUEMR_SET_RESERVED3 | speed);
return 0;
@@ -113,9 +113,9 @@ int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask)
get_cmxucr_reg(ucc_num, &cmxucr, ®_num, &shift);
if (set)
- setbits32(cmxucr, mask << shift);
+ qe_setbits32(cmxucr, mask << shift);
else
- clrbits32(cmxucr, mask << shift);
+ qe_clrbits32(cmxucr, mask << shift);
return 0;
}
@@ -211,7 +211,7 @@ int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
if (mode == COMM_DIR_RX)
shift += 4;
- clrsetbits_be32(cmxucr, QE_CMXUCR_TX_CLK_SRC_MASK << shift,
+ qe_clrsetbits32(cmxucr, QE_CMXUCR_TX_CLK_SRC_MASK << shift,
clock_bits << shift);
return 0;
diff --git a/drivers/soc/fsl/qe/ucc_fast.c b/drivers/soc/fsl/qe/ucc_fast.c
index 83d8d16..5115e93 100644
--- a/drivers/soc/fsl/qe/ucc_fast.c
+++ b/drivers/soc/fsl/qe/ucc_fast.c
@@ -33,41 +33,41 @@ void ucc_fast_dump_regs(struct ucc_fast_private * uccf)
printk(KERN_INFO "Base address: 0x%p\n", uccf->uf_regs);
printk(KERN_INFO "gumr : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->gumr, in_be32(&uccf->uf_regs->gumr));
+ &uccf->uf_regs->gumr, ioread32be(&uccf->uf_regs->gumr));
printk(KERN_INFO "upsmr : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->upsmr, in_be32(&uccf->uf_regs->upsmr));
+ &uccf->uf_regs->upsmr, ioread32be(&uccf->uf_regs->upsmr));
printk(KERN_INFO "utodr : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->utodr, in_be16(&uccf->uf_regs->utodr));
+ &uccf->uf_regs->utodr, ioread16be(&uccf->uf_regs->utodr));
printk(KERN_INFO "udsr : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->udsr, in_be16(&uccf->uf_regs->udsr));
+ &uccf->uf_regs->udsr, ioread16be(&uccf->uf_regs->udsr));
printk(KERN_INFO "ucce : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->ucce, in_be32(&uccf->uf_regs->ucce));
+ &uccf->uf_regs->ucce, ioread32be(&uccf->uf_regs->ucce));
printk(KERN_INFO "uccm : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->uccm, in_be32(&uccf->uf_regs->uccm));
+ &uccf->uf_regs->uccm, ioread32be(&uccf->uf_regs->uccm));
printk(KERN_INFO "uccs : addr=0x%p, val=0x%02x\n",
- &uccf->uf_regs->uccs, in_8(&uccf->uf_regs->uccs));
+ &uccf->uf_regs->uccs, ioread8(&uccf->uf_regs->uccs));
printk(KERN_INFO "urfb : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->urfb, in_be32(&uccf->uf_regs->urfb));
+ &uccf->uf_regs->urfb, ioread32be(&uccf->uf_regs->urfb));
printk(KERN_INFO "urfs : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->urfs, in_be16(&uccf->uf_regs->urfs));
+ &uccf->uf_regs->urfs, ioread16be(&uccf->uf_regs->urfs));
printk(KERN_INFO "urfet : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->urfet, in_be16(&uccf->uf_regs->urfet));
+ &uccf->uf_regs->urfet, ioread16be(&uccf->uf_regs->urfet));
printk(KERN_INFO "urfset: addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->urfset, in_be16(&uccf->uf_regs->urfset));
+ &uccf->uf_regs->urfset, ioread16be(&uccf->uf_regs->urfset));
printk(KERN_INFO "utfb : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->utfb, in_be32(&uccf->uf_regs->utfb));
+ &uccf->uf_regs->utfb, ioread32be(&uccf->uf_regs->utfb));
printk(KERN_INFO "utfs : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->utfs, in_be16(&uccf->uf_regs->utfs));
+ &uccf->uf_regs->utfs, ioread16be(&uccf->uf_regs->utfs));
printk(KERN_INFO "utfet : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->utfet, in_be16(&uccf->uf_regs->utfet));
+ &uccf->uf_regs->utfet, ioread16be(&uccf->uf_regs->utfet));
printk(KERN_INFO "utftt : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->utftt, in_be16(&uccf->uf_regs->utftt));
+ &uccf->uf_regs->utftt, ioread16be(&uccf->uf_regs->utftt));
printk(KERN_INFO "utpt : addr=0x%p, val=0x%04x\n",
- &uccf->uf_regs->utpt, in_be16(&uccf->uf_regs->utpt));
+ &uccf->uf_regs->utpt, ioread16be(&uccf->uf_regs->utpt));
printk(KERN_INFO "urtry : addr=0x%p, val=0x%08x\n",
- &uccf->uf_regs->urtry, in_be32(&uccf->uf_regs->urtry));
+ &uccf->uf_regs->urtry, ioread32be(&uccf->uf_regs->urtry));
printk(KERN_INFO "guemr : addr=0x%p, val=0x%02x\n",
- &uccf->uf_regs->guemr, in_8(&uccf->uf_regs->guemr));
+ &uccf->uf_regs->guemr, ioread8(&uccf->uf_regs->guemr));
}
EXPORT_SYMBOL(ucc_fast_dump_regs);
@@ -89,7 +89,7 @@ EXPORT_SYMBOL(ucc_fast_get_qe_cr_subblock);
void ucc_fast_transmit_on_demand(struct ucc_fast_private * uccf)
{
- out_be16(&uccf->uf_regs->utodr, UCC_FAST_TOD);
+ iowrite16be(UCC_FAST_TOD, &uccf->uf_regs->utodr);
}
EXPORT_SYMBOL(ucc_fast_transmit_on_demand);
@@ -101,7 +101,7 @@ void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode)
uf_regs = uccf->uf_regs;
/* Enable reception and/or transmission on this UCC. */
- gumr = in_be32(&uf_regs->gumr);
+ gumr = ioread32be(&uf_regs->gumr);
if (mode & COMM_DIR_TX) {
gumr |= UCC_FAST_GUMR_ENT;
uccf->enabled_tx = 1;
@@ -110,7 +110,7 @@ void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode)
gumr |= UCC_FAST_GUMR_ENR;
uccf->enabled_rx = 1;
}
- out_be32(&uf_regs->gumr, gumr);
+ iowrite32be(gumr, &uf_regs->gumr);
}
EXPORT_SYMBOL(ucc_fast_enable);
@@ -122,7 +122,7 @@ void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode)
uf_regs = uccf->uf_regs;
/* Disable reception and/or transmission on this UCC. */
- gumr = in_be32(&uf_regs->gumr);
+ gumr = ioread32be(&uf_regs->gumr);
if (mode & COMM_DIR_TX) {
gumr &= ~UCC_FAST_GUMR_ENT;
uccf->enabled_tx = 0;
@@ -131,7 +131,7 @@ void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode)
gumr &= ~UCC_FAST_GUMR_ENR;
uccf->enabled_rx = 0;
}
- out_be32(&uf_regs->gumr, gumr);
+ iowrite32be(gumr, &uf_regs->gumr);
}
EXPORT_SYMBOL(ucc_fast_disable);
@@ -263,12 +263,13 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
gumr |= uf_info->tenc;
gumr |= uf_info->tcrc;
gumr |= uf_info->mode;
- out_be32(&uf_regs->gumr, gumr);
+ iowrite32be(gumr, &uf_regs->gumr);
/* Allocate memory for Tx Virtual Fifo */
uccf->ucc_fast_tx_virtual_fifo_base_offset =
qe_muram_alloc(uf_info->utfs, UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
- if (IS_ERR_VALUE(uccf->ucc_fast_tx_virtual_fifo_base_offset)) {
+ if (IS_ERR_VALUE((unsigned long)uccf->
+ ucc_fast_tx_virtual_fifo_base_offset)) {
printk(KERN_ERR "%s: cannot allocate MURAM for TX FIFO\n",
__func__);
uccf->ucc_fast_tx_virtual_fifo_base_offset = 0;
@@ -281,7 +282,8 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
qe_muram_alloc(uf_info->urfs +
UCC_FAST_RECEIVE_VIRTUAL_FIFO_SIZE_FUDGE_FACTOR,
UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
- if (IS_ERR_VALUE(uccf->ucc_fast_rx_virtual_fifo_base_offset)) {
+ if (IS_ERR_VALUE((unsigned long)uccf->
+ ucc_fast_rx_virtual_fifo_base_offset)) {
printk(KERN_ERR "%s: cannot allocate MURAM for RX FIFO\n",
__func__);
uccf->ucc_fast_rx_virtual_fifo_base_offset = 0;
@@ -290,15 +292,15 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
}
/* Set Virtual Fifo registers */
- out_be16(&uf_regs->urfs, uf_info->urfs);
- out_be16(&uf_regs->urfet, uf_info->urfet);
- out_be16(&uf_regs->urfset, uf_info->urfset);
- out_be16(&uf_regs->utfs, uf_info->utfs);
- out_be16(&uf_regs->utfet, uf_info->utfet);
- out_be16(&uf_regs->utftt, uf_info->utftt);
+ iowrite16be(uf_info->urfs, &uf_regs->urfs);
+ iowrite16be(uf_info->urfet, &uf_regs->urfet);
+ iowrite16be(uf_info->urfset, &uf_regs->urfset);
+ iowrite16be(uf_info->utfs, &uf_regs->utfs);
+ iowrite16be(uf_info->utfet, &uf_regs->utfet);
+ iowrite16be(uf_info->utftt, &uf_regs->utftt);
/* utfb, urfb are offsets from MURAM base */
- out_be32(&uf_regs->utfb, uccf->ucc_fast_tx_virtual_fifo_base_offset);
- out_be32(&uf_regs->urfb, uccf->ucc_fast_rx_virtual_fifo_base_offset);
+ iowrite32be(uccf->ucc_fast_tx_virtual_fifo_base_offset, &uf_regs->utfb);
+ iowrite32be(uccf->ucc_fast_rx_virtual_fifo_base_offset, &uf_regs->urfb);
/* Mux clocking */
/* Grant Support */
@@ -366,14 +368,14 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
}
/* Set interrupt mask register at UCC level. */
- out_be32(&uf_regs->uccm, uf_info->uccm_mask);
+ iowrite32be(uf_info->uccm_mask, &uf_regs->uccm);
/* First, clear anything pending at UCC level,
* otherwise, old garbage may come through
* as soon as the dam is opened. */
/* Writing '1' clears */
- out_be32(&uf_regs->ucce, 0xffffffff);
+ iowrite32be(0xffffffff, &uf_regs->ucce);
*uccf_ret = uccf;
return 0;
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index e9cf5b6..b02ae82 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1166,7 +1166,7 @@ config SERIAL_LANTIQ
config SERIAL_QE
tristate "Freescale QUICC Engine serial port support"
- depends on QUICC_ENGINE
+ depends on QUICC_ENGINE && FSL_SOC && PPC32
select SERIAL_CORE
select FW_LOADER
default n
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 481eb29..ee409fd 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -34,6 +34,7 @@
#include <soc/fsl/qe/ucc_slow.h>
#include <linux/firmware.h>
+#include <asm/cpm.h>
#include <asm/reg.h>
/*
diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index 658b8da..e18168c 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -277,7 +277,7 @@ config USB_AMD5536UDC
config USB_FSL_QE
tristate "Freescale QE/CPM USB Device Controller"
- depends on FSL_SOC && (QUICC_ENGINE || CPM)
+ depends on (FSL_SOC && QUICC_ENGINE && PPC32) || (FSL_SOC && CPM)
help
Some of Freescale PowerPC processors have a Full Speed
QE/CPM2 USB controller, which support device mode with 4
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 6361fc7..30f0548 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -639,7 +639,7 @@ config USB_UHCI_BIG_ENDIAN_DESC
config USB_FHCI_HCD
tristate "Freescale QE USB Host Controller support"
- depends on OF_GPIO && QE_GPIO && QUICC_ENGINE
+ depends on OF_GPIO && QE_GPIO && QUICC_ENGINE && FSL_SOC && PPC32
select FSL_GTM
select QE_USB
help
diff --git a/include/soc/fsl/qe/qe.h b/include/soc/fsl/qe/qe.h
index 70339d7..f7a14f2 100644
--- a/include/soc/fsl/qe/qe.h
+++ b/include/soc/fsl/qe/qe.h
@@ -21,7 +21,6 @@
#include <linux/spinlock.h>
#include <linux/errno.h>
#include <linux/err.h>
-#include <asm/cpm.h>
#include <soc/fsl/qe/immap_qe.h>
#include <linux/of.h>
#include <linux/of_address.h>
--
2.1.0.27.g96db324
From 1583065609177249152@xxx Fri Nov 03 17:10:12 +0000 2017
X-GM-THRID: 1583037960847681984
X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread
move the driver from drivers/soc/fsl/qe to drivers/irqchip,
merge qe_ic.h and qe_ic.c into irq-qeic.c.
Signed-off-by: Zhao Qiang <[email protected]>
---
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-qeic.c | 601 ++++++++++++++++++++++++++++++++++++++++++++
drivers/soc/fsl/qe/Makefile | 2 +-
drivers/soc/fsl/qe/qe_ic.c | 512 -------------------------------------
drivers/soc/fsl/qe/qe_ic.h | 103 --------
5 files changed, 603 insertions(+), 616 deletions(-)
create mode 100644 drivers/irqchip/irq-qeic.c
delete mode 100644 drivers/soc/fsl/qe/qe_ic.c
delete mode 100644 drivers/soc/fsl/qe/qe_ic.h
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 0e55d94..627c5d6 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -75,3 +75,4 @@ obj-$(CONFIG_LS_SCFG_MSI) += irq-ls-scfg-msi.o
obj-$(CONFIG_EZNPS_GIC) += irq-eznps.o
obj-$(CONFIG_ARCH_ASPEED) += irq-aspeed-vic.o
obj-$(CONFIG_STM32_EXTI) += irq-stm32-exti.o
+obj-$(CONFIG_QUICC_ENGINE) += irq-qeic.o
diff --git a/drivers/irqchip/irq-qeic.c b/drivers/irqchip/irq-qeic.c
new file mode 100644
index 0000000..48ceded
--- /dev/null
+++ b/drivers/irqchip/irq-qeic.c
@@ -0,0 +1,601 @@
+/*
+ * drivers/irqchip/irq-qeic.c
+ *
+ * Copyright (C) 2016 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Li Yang <[email protected]>
+ * Based on code from Shlomi Gridish <[email protected]>
+ *
+ * QUICC ENGINE Interrupt Controller
+ *
+ * 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.
+ */
+
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/slab.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/device.h>
+#include <linux/spinlock.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <soc/fsl/qe/qe_ic.h>
+
+#define NR_QE_IC_INTS 64
+
+/* QE IC registers offset */
+#define QEIC_CICR 0x00
+#define QEIC_CIVEC 0x04
+#define QEIC_CRIPNR 0x08
+#define QEIC_CIPNR 0x0c
+#define QEIC_CIPXCC 0x10
+#define QEIC_CIPYCC 0x14
+#define QEIC_CIPWCC 0x18
+#define QEIC_CIPZCC 0x1c
+#define QEIC_CIMR 0x20
+#define QEIC_CRIMR 0x24
+#define QEIC_CICNR 0x28
+#define QEIC_CIPRTA 0x30
+#define QEIC_CIPRTB 0x34
+#define QEIC_CRICR 0x3c
+#define QEIC_CHIVEC 0x60
+
+/* Interrupt priority registers */
+#define CIPCC_SHIFT_PRI0 29
+#define CIPCC_SHIFT_PRI1 26
+#define CIPCC_SHIFT_PRI2 23
+#define CIPCC_SHIFT_PRI3 20
+#define CIPCC_SHIFT_PRI4 13
+#define CIPCC_SHIFT_PRI5 10
+#define CIPCC_SHIFT_PRI6 7
+#define CIPCC_SHIFT_PRI7 4
+
+/* CICR priority modes */
+#define CICR_GWCC 0x00040000
+#define CICR_GXCC 0x00020000
+#define CICR_GYCC 0x00010000
+#define CICR_GZCC 0x00080000
+#define CICR_GRTA 0x00200000
+#define CICR_GRTB 0x00400000
+#define CICR_HPIT_SHIFT 8
+#define CICR_HPIT_MASK 0x00000300
+#define CICR_HP_SHIFT 24
+#define CICR_HP_MASK 0x3f000000
+
+/* CICNR */
+#define CICNR_WCC1T_SHIFT 20
+#define CICNR_ZCC1T_SHIFT 28
+#define CICNR_YCC1T_SHIFT 12
+#define CICNR_XCC1T_SHIFT 4
+
+/* CRICR */
+#define CRICR_RTA1T_SHIFT 20
+#define CRICR_RTB1T_SHIFT 28
+
+/* Signal indicator */
+#define SIGNAL_MASK 3
+#define SIGNAL_HIGH 2
+#define SIGNAL_LOW 0
+
+struct qe_ic {
+ /* Control registers offset */
+ volatile u32 __iomem *regs;
+
+ /* The remapper for this QEIC */
+ struct irq_domain *irqhost;
+
+ /* The "linux" controller struct */
+ struct irq_chip hc_irq;
+
+ /* VIRQ numbers of QE high/low irqs */
+ unsigned int virq_high;
+ unsigned int virq_low;
+};
+
+/*
+ * QE interrupt controller internal structure
+ */
+struct qe_ic_info {
+ /* location of this source at the QIMR register. */
+ u32 mask;
+
+ /* Mask register offset */
+ u32 mask_reg;
+
+ /*
+ * for grouped interrupts sources - the interrupt
+ * code as appears at the group priority register
+ */
+ u8 pri_code;
+
+ /* Group priority register offset */
+ u32 pri_reg;
+};
+
+static DEFINE_RAW_SPINLOCK(qe_ic_lock);
+
+static struct qe_ic_info qe_ic_info[] = {
+ [1] = {
+ .mask = 0x00008000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 0,
+ .pri_reg = QEIC_CIPWCC,
+ },
+ [2] = {
+ .mask = 0x00004000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 1,
+ .pri_reg = QEIC_CIPWCC,
+ },
+ [3] = {
+ .mask = 0x00002000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 2,
+ .pri_reg = QEIC_CIPWCC,
+ },
+ [10] = {
+ .mask = 0x00000040,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 1,
+ .pri_reg = QEIC_CIPZCC,
+ },
+ [11] = {
+ .mask = 0x00000020,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 2,
+ .pri_reg = QEIC_CIPZCC,
+ },
+ [12] = {
+ .mask = 0x00000010,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 3,
+ .pri_reg = QEIC_CIPZCC,
+ },
+ [13] = {
+ .mask = 0x00000008,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 4,
+ .pri_reg = QEIC_CIPZCC,
+ },
+ [14] = {
+ .mask = 0x00000004,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 5,
+ .pri_reg = QEIC_CIPZCC,
+ },
+ [15] = {
+ .mask = 0x00000002,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 6,
+ .pri_reg = QEIC_CIPZCC,
+ },
+ [20] = {
+ .mask = 0x10000000,
+ .mask_reg = QEIC_CRIMR,
+ .pri_code = 3,
+ .pri_reg = QEIC_CIPRTA,
+ },
+ [25] = {
+ .mask = 0x00800000,
+ .mask_reg = QEIC_CRIMR,
+ .pri_code = 0,
+ .pri_reg = QEIC_CIPRTB,
+ },
+ [26] = {
+ .mask = 0x00400000,
+ .mask_reg = QEIC_CRIMR,
+ .pri_code = 1,
+ .pri_reg = QEIC_CIPRTB,
+ },
+ [27] = {
+ .mask = 0x00200000,
+ .mask_reg = QEIC_CRIMR,
+ .pri_code = 2,
+ .pri_reg = QEIC_CIPRTB,
+ },
+ [28] = {
+ .mask = 0x00100000,
+ .mask_reg = QEIC_CRIMR,
+ .pri_code = 3,
+ .pri_reg = QEIC_CIPRTB,
+ },
+ [32] = {
+ .mask = 0x80000000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 0,
+ .pri_reg = QEIC_CIPXCC,
+ },
+ [33] = {
+ .mask = 0x40000000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 1,
+ .pri_reg = QEIC_CIPXCC,
+ },
+ [34] = {
+ .mask = 0x20000000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 2,
+ .pri_reg = QEIC_CIPXCC,
+ },
+ [35] = {
+ .mask = 0x10000000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 3,
+ .pri_reg = QEIC_CIPXCC,
+ },
+ [36] = {
+ .mask = 0x08000000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 4,
+ .pri_reg = QEIC_CIPXCC,
+ },
+ [40] = {
+ .mask = 0x00800000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 0,
+ .pri_reg = QEIC_CIPYCC,
+ },
+ [41] = {
+ .mask = 0x00400000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 1,
+ .pri_reg = QEIC_CIPYCC,
+ },
+ [42] = {
+ .mask = 0x00200000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 2,
+ .pri_reg = QEIC_CIPYCC,
+ },
+ [43] = {
+ .mask = 0x00100000,
+ .mask_reg = QEIC_CIMR,
+ .pri_code = 3,
+ .pri_reg = QEIC_CIPYCC,
+ },
+};
+
+static inline u32 qe_ic_read(volatile __be32 __iomem * base, unsigned int reg)
+{
+ return in_be32(base + (reg >> 2));
+}
+
+static inline void qe_ic_write(volatile __be32 __iomem * base, unsigned int reg,
+ u32 value)
+{
+ out_be32(base + (reg >> 2), value);
+}
+
+static inline struct qe_ic *qe_ic_from_irq(unsigned int virq)
+{
+ return irq_get_chip_data(virq);
+}
+
+static inline struct qe_ic *qe_ic_from_irq_data(struct irq_data *d)
+{
+ return irq_data_get_irq_chip_data(d);
+}
+
+static void qe_ic_unmask_irq(struct irq_data *d)
+{
+ struct qe_ic *qe_ic = qe_ic_from_irq_data(d);
+ unsigned int src = irqd_to_hwirq(d);
+ unsigned long flags;
+ u32 temp;
+
+ raw_spin_lock_irqsave(&qe_ic_lock, flags);
+
+ temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
+ qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
+ temp | qe_ic_info[src].mask);
+
+ raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
+}
+
+static void qe_ic_mask_irq(struct irq_data *d)
+{
+ struct qe_ic *qe_ic = qe_ic_from_irq_data(d);
+ unsigned int src = irqd_to_hwirq(d);
+ unsigned long flags;
+ u32 temp;
+
+ raw_spin_lock_irqsave(&qe_ic_lock, flags);
+
+ temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
+ qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
+ temp & ~qe_ic_info[src].mask);
+
+ /* Flush the above write before enabling interrupts; otherwise,
+ * spurious interrupts will sometimes happen. To be 100% sure
+ * that the write has reached the device before interrupts are
+ * enabled, the mask register would have to be read back; however,
+ * this is not required for correctness, only to avoid wasting
+ * time on a large number of spurious interrupts. In testing,
+ * a sync reduced the observed spurious interrupts to zero.
+ */
+ mb();
+
+ raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
+}
+
+static struct irq_chip qe_ic_irq_chip = {
+ .name = "QEIC",
+ .irq_unmask = qe_ic_unmask_irq,
+ .irq_mask = qe_ic_mask_irq,
+ .irq_mask_ack = qe_ic_mask_irq,
+};
+
+static int qe_ic_host_match(struct irq_domain *h, struct device_node *node,
+ enum irq_domain_bus_token bus_token)
+{
+ /* Exact match, unless qe_ic node is NULL */
+ struct device_node *of_node = irq_domain_get_of_node(h);
+ return of_node == NULL || of_node == node;
+}
+
+static int qe_ic_host_map(struct irq_domain *h, unsigned int virq,
+ irq_hw_number_t hw)
+{
+ struct qe_ic *qe_ic = h->host_data;
+ struct irq_chip *chip;
+
+ if (hw >= ARRAY_SIZE(qe_ic_info)) {
+ pr_err("%s: Invalid hw irq number for QEIC\n", __func__);
+ return -EINVAL;
+ }
+
+ if (qe_ic_info[hw].mask == 0) {
+ printk(KERN_ERR "Can't map reserved IRQ\n");
+ return -EINVAL;
+ }
+ /* Default chip */
+ chip = &qe_ic->hc_irq;
+
+ irq_set_chip_data(virq, qe_ic);
+ irq_set_status_flags(virq, IRQ_LEVEL);
+
+ irq_set_chip_and_handler(virq, chip, handle_level_irq);
+
+ return 0;
+}
+
+static const struct irq_domain_ops qe_ic_host_ops = {
+ .match = qe_ic_host_match,
+ .map = qe_ic_host_map,
+ .xlate = irq_domain_xlate_onetwocell,
+};
+
+/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
+unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
+{
+ int irq;
+
+ BUG_ON(qe_ic == NULL);
+
+ /* get the interrupt source vector. */
+ irq = qe_ic_read(qe_ic->regs, QEIC_CIVEC) >> 26;
+
+ if (irq == 0)
+ return NO_IRQ;
+
+ return irq_linear_revmap(qe_ic->irqhost, irq);
+}
+
+/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
+unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
+{
+ int irq;
+
+ BUG_ON(qe_ic == NULL);
+
+ /* get the interrupt source vector. */
+ irq = qe_ic_read(qe_ic->regs, QEIC_CHIVEC) >> 26;
+
+ if (irq == 0)
+ return NO_IRQ;
+
+ return irq_linear_revmap(qe_ic->irqhost, irq);
+}
+
+void __init qe_ic_init(struct device_node *node, unsigned int flags,
+ void (*low_handler)(struct irq_desc *desc),
+ void (*high_handler)(struct irq_desc *desc))
+{
+ struct qe_ic *qe_ic;
+ struct resource res;
+ u32 temp = 0, ret, high_active = 0;
+
+ ret = of_address_to_resource(node, 0, &res);
+ if (ret)
+ return;
+
+ qe_ic = kzalloc(sizeof(*qe_ic), GFP_KERNEL);
+ if (qe_ic == NULL)
+ return;
+
+ qe_ic->irqhost = irq_domain_add_linear(node, NR_QE_IC_INTS,
+ &qe_ic_host_ops, qe_ic);
+ if (qe_ic->irqhost == NULL) {
+ kfree(qe_ic);
+ return;
+ }
+
+ qe_ic->regs = ioremap(res.start, resource_size(&res));
+
+ qe_ic->hc_irq = qe_ic_irq_chip;
+
+ qe_ic->virq_high = irq_of_parse_and_map(node, 0);
+ qe_ic->virq_low = irq_of_parse_and_map(node, 1);
+
+ if (qe_ic->virq_low == NO_IRQ) {
+ printk(KERN_ERR "Failed to map QE_IC low IRQ\n");
+ kfree(qe_ic);
+ return;
+ }
+
+ /* default priority scheme is grouped. If spread mode is */
+ /* required, configure cicr accordingly. */
+ if (flags & QE_IC_SPREADMODE_GRP_W)
+ temp |= CICR_GWCC;
+ if (flags & QE_IC_SPREADMODE_GRP_X)
+ temp |= CICR_GXCC;
+ if (flags & QE_IC_SPREADMODE_GRP_Y)
+ temp |= CICR_GYCC;
+ if (flags & QE_IC_SPREADMODE_GRP_Z)
+ temp |= CICR_GZCC;
+ if (flags & QE_IC_SPREADMODE_GRP_RISCA)
+ temp |= CICR_GRTA;
+ if (flags & QE_IC_SPREADMODE_GRP_RISCB)
+ temp |= CICR_GRTB;
+
+ /* choose destination signal for highest priority interrupt */
+ if (flags & QE_IC_HIGH_SIGNAL) {
+ temp |= (SIGNAL_HIGH << CICR_HPIT_SHIFT);
+ high_active = 1;
+ }
+
+ qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
+
+ irq_set_handler_data(qe_ic->virq_low, qe_ic);
+ irq_set_chained_handler(qe_ic->virq_low, low_handler);
+
+ if (qe_ic->virq_high != NO_IRQ &&
+ qe_ic->virq_high != qe_ic->virq_low) {
+ irq_set_handler_data(qe_ic->virq_high, qe_ic);
+ irq_set_chained_handler(qe_ic->virq_high, high_handler);
+ }
+}
+
+void qe_ic_set_highest_priority(unsigned int virq, int high)
+{
+ struct qe_ic *qe_ic = qe_ic_from_irq(virq);
+ unsigned int src = virq_to_hw(virq);
+ u32 temp = 0;
+
+ temp = qe_ic_read(qe_ic->regs, QEIC_CICR);
+
+ temp &= ~CICR_HP_MASK;
+ temp |= src << CICR_HP_SHIFT;
+
+ temp &= ~CICR_HPIT_MASK;
+ temp |= (high ? SIGNAL_HIGH : SIGNAL_LOW) << CICR_HPIT_SHIFT;
+
+ qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
+}
+
+/* Set Priority level within its group, from 1 to 8 */
+int qe_ic_set_priority(unsigned int virq, unsigned int priority)
+{
+ struct qe_ic *qe_ic = qe_ic_from_irq(virq);
+ unsigned int src = virq_to_hw(virq);
+ u32 temp;
+
+ if (priority > 8 || priority == 0)
+ return -EINVAL;
+ if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
+ "%s: Invalid hw irq number for QEIC\n", __func__))
+ return -EINVAL;
+ if (qe_ic_info[src].pri_reg == 0)
+ return -EINVAL;
+
+ temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].pri_reg);
+
+ if (priority < 4) {
+ temp &= ~(0x7 << (32 - priority * 3));
+ temp |= qe_ic_info[src].pri_code << (32 - priority * 3);
+ } else {
+ temp &= ~(0x7 << (24 - priority * 3));
+ temp |= qe_ic_info[src].pri_code << (24 - priority * 3);
+ }
+
+ qe_ic_write(qe_ic->regs, qe_ic_info[src].pri_reg, temp);
+
+ return 0;
+}
+
+/* Set a QE priority to use high irq, only priority 1~2 can use high irq */
+int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high)
+{
+ struct qe_ic *qe_ic = qe_ic_from_irq(virq);
+ unsigned int src = virq_to_hw(virq);
+ u32 temp, control_reg = QEIC_CICNR, shift = 0;
+
+ if (priority > 2 || priority == 0)
+ return -EINVAL;
+ if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
+ "%s: Invalid hw irq number for QEIC\n", __func__))
+ return -EINVAL;
+
+ switch (qe_ic_info[src].pri_reg) {
+ case QEIC_CIPZCC:
+ shift = CICNR_ZCC1T_SHIFT;
+ break;
+ case QEIC_CIPWCC:
+ shift = CICNR_WCC1T_SHIFT;
+ break;
+ case QEIC_CIPYCC:
+ shift = CICNR_YCC1T_SHIFT;
+ break;
+ case QEIC_CIPXCC:
+ shift = CICNR_XCC1T_SHIFT;
+ break;
+ case QEIC_CIPRTA:
+ shift = CRICR_RTA1T_SHIFT;
+ control_reg = QEIC_CRICR;
+ break;
+ case QEIC_CIPRTB:
+ shift = CRICR_RTB1T_SHIFT;
+ control_reg = QEIC_CRICR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ shift += (2 - priority) * 2;
+ temp = qe_ic_read(qe_ic->regs, control_reg);
+ temp &= ~(SIGNAL_MASK << shift);
+ temp |= (high ? SIGNAL_HIGH : SIGNAL_LOW) << shift;
+ qe_ic_write(qe_ic->regs, control_reg, temp);
+
+ return 0;
+}
+
+static struct bus_type qe_ic_subsys = {
+ .name = "qe_ic",
+ .dev_name = "qe_ic",
+};
+
+static struct device device_qe_ic = {
+ .id = 0,
+ .bus = &qe_ic_subsys,
+};
+
+static int __init init_qe_ic_sysfs(void)
+{
+ int rc;
+
+ printk(KERN_DEBUG "Registering qe_ic with sysfs...\n");
+
+ rc = subsys_system_register(&qe_ic_subsys, NULL);
+ if (rc) {
+ printk(KERN_ERR "Failed registering qe_ic sys class\n");
+ return -ENODEV;
+ }
+ rc = device_register(&device_qe_ic);
+ if (rc) {
+ printk(KERN_ERR "Failed registering qe_ic sys device\n");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+subsys_initcall(init_qe_ic_sysfs);
diff --git a/drivers/soc/fsl/qe/Makefile b/drivers/soc/fsl/qe/Makefile
index 2031d38..51e4726 100644
--- a/drivers/soc/fsl/qe/Makefile
+++ b/drivers/soc/fsl/qe/Makefile
@@ -1,7 +1,7 @@
#
# Makefile for the linux ppc-specific parts of QE
#
-obj-$(CONFIG_QUICC_ENGINE)+= qe.o qe_common.o qe_ic.o qe_io.o
+obj-$(CONFIG_QUICC_ENGINE)+= qe.o qe_common.o qe_io.o
obj-$(CONFIG_CPM) += qe_common.o
obj-$(CONFIG_UCC) += ucc.o
obj-$(CONFIG_UCC_SLOW) += ucc_slow.o
diff --git a/drivers/soc/fsl/qe/qe_ic.c b/drivers/soc/fsl/qe/qe_ic.c
deleted file mode 100644
index ec2ca86..0000000
--- a/drivers/soc/fsl/qe/qe_ic.c
+++ /dev/null
@@ -1,512 +0,0 @@
-/*
- * arch/powerpc/sysdev/qe_lib/qe_ic.c
- *
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Author: Li Yang <[email protected]>
- * Based on code from Shlomi Gridish <[email protected]>
- *
- * QUICC ENGINE Interrupt Controller
- *
- * 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.
- */
-
-#include <linux/of_irq.h>
-#include <linux/of_address.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
-#include <linux/slab.h>
-#include <linux/stddef.h>
-#include <linux/sched.h>
-#include <linux/signal.h>
-#include <linux/device.h>
-#include <linux/spinlock.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <soc/fsl/qe/qe_ic.h>
-
-#include "qe_ic.h"
-
-static DEFINE_RAW_SPINLOCK(qe_ic_lock);
-
-static struct qe_ic_info qe_ic_info[] = {
- [1] = {
- .mask = 0x00008000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 0,
- .pri_reg = QEIC_CIPWCC,
- },
- [2] = {
- .mask = 0x00004000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 1,
- .pri_reg = QEIC_CIPWCC,
- },
- [3] = {
- .mask = 0x00002000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 2,
- .pri_reg = QEIC_CIPWCC,
- },
- [10] = {
- .mask = 0x00000040,
- .mask_reg = QEIC_CIMR,
- .pri_code = 1,
- .pri_reg = QEIC_CIPZCC,
- },
- [11] = {
- .mask = 0x00000020,
- .mask_reg = QEIC_CIMR,
- .pri_code = 2,
- .pri_reg = QEIC_CIPZCC,
- },
- [12] = {
- .mask = 0x00000010,
- .mask_reg = QEIC_CIMR,
- .pri_code = 3,
- .pri_reg = QEIC_CIPZCC,
- },
- [13] = {
- .mask = 0x00000008,
- .mask_reg = QEIC_CIMR,
- .pri_code = 4,
- .pri_reg = QEIC_CIPZCC,
- },
- [14] = {
- .mask = 0x00000004,
- .mask_reg = QEIC_CIMR,
- .pri_code = 5,
- .pri_reg = QEIC_CIPZCC,
- },
- [15] = {
- .mask = 0x00000002,
- .mask_reg = QEIC_CIMR,
- .pri_code = 6,
- .pri_reg = QEIC_CIPZCC,
- },
- [20] = {
- .mask = 0x10000000,
- .mask_reg = QEIC_CRIMR,
- .pri_code = 3,
- .pri_reg = QEIC_CIPRTA,
- },
- [25] = {
- .mask = 0x00800000,
- .mask_reg = QEIC_CRIMR,
- .pri_code = 0,
- .pri_reg = QEIC_CIPRTB,
- },
- [26] = {
- .mask = 0x00400000,
- .mask_reg = QEIC_CRIMR,
- .pri_code = 1,
- .pri_reg = QEIC_CIPRTB,
- },
- [27] = {
- .mask = 0x00200000,
- .mask_reg = QEIC_CRIMR,
- .pri_code = 2,
- .pri_reg = QEIC_CIPRTB,
- },
- [28] = {
- .mask = 0x00100000,
- .mask_reg = QEIC_CRIMR,
- .pri_code = 3,
- .pri_reg = QEIC_CIPRTB,
- },
- [32] = {
- .mask = 0x80000000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 0,
- .pri_reg = QEIC_CIPXCC,
- },
- [33] = {
- .mask = 0x40000000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 1,
- .pri_reg = QEIC_CIPXCC,
- },
- [34] = {
- .mask = 0x20000000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 2,
- .pri_reg = QEIC_CIPXCC,
- },
- [35] = {
- .mask = 0x10000000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 3,
- .pri_reg = QEIC_CIPXCC,
- },
- [36] = {
- .mask = 0x08000000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 4,
- .pri_reg = QEIC_CIPXCC,
- },
- [40] = {
- .mask = 0x00800000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 0,
- .pri_reg = QEIC_CIPYCC,
- },
- [41] = {
- .mask = 0x00400000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 1,
- .pri_reg = QEIC_CIPYCC,
- },
- [42] = {
- .mask = 0x00200000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 2,
- .pri_reg = QEIC_CIPYCC,
- },
- [43] = {
- .mask = 0x00100000,
- .mask_reg = QEIC_CIMR,
- .pri_code = 3,
- .pri_reg = QEIC_CIPYCC,
- },
-};
-
-static inline u32 qe_ic_read(volatile __be32 __iomem * base, unsigned int reg)
-{
- return in_be32(base + (reg >> 2));
-}
-
-static inline void qe_ic_write(volatile __be32 __iomem * base, unsigned int reg,
- u32 value)
-{
- out_be32(base + (reg >> 2), value);
-}
-
-static inline struct qe_ic *qe_ic_from_irq(unsigned int virq)
-{
- return irq_get_chip_data(virq);
-}
-
-static inline struct qe_ic *qe_ic_from_irq_data(struct irq_data *d)
-{
- return irq_data_get_irq_chip_data(d);
-}
-
-static void qe_ic_unmask_irq(struct irq_data *d)
-{
- struct qe_ic *qe_ic = qe_ic_from_irq_data(d);
- unsigned int src = irqd_to_hwirq(d);
- unsigned long flags;
- u32 temp;
-
- raw_spin_lock_irqsave(&qe_ic_lock, flags);
-
- temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
- qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
- temp | qe_ic_info[src].mask);
-
- raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
-}
-
-static void qe_ic_mask_irq(struct irq_data *d)
-{
- struct qe_ic *qe_ic = qe_ic_from_irq_data(d);
- unsigned int src = irqd_to_hwirq(d);
- unsigned long flags;
- u32 temp;
-
- raw_spin_lock_irqsave(&qe_ic_lock, flags);
-
- temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
- qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
- temp & ~qe_ic_info[src].mask);
-
- /* Flush the above write before enabling interrupts; otherwise,
- * spurious interrupts will sometimes happen. To be 100% sure
- * that the write has reached the device before interrupts are
- * enabled, the mask register would have to be read back; however,
- * this is not required for correctness, only to avoid wasting
- * time on a large number of spurious interrupts. In testing,
- * a sync reduced the observed spurious interrupts to zero.
- */
- mb();
-
- raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
-}
-
-static struct irq_chip qe_ic_irq_chip = {
- .name = "QEIC",
- .irq_unmask = qe_ic_unmask_irq,
- .irq_mask = qe_ic_mask_irq,
- .irq_mask_ack = qe_ic_mask_irq,
-};
-
-static int qe_ic_host_match(struct irq_domain *h, struct device_node *node,
- enum irq_domain_bus_token bus_token)
-{
- /* Exact match, unless qe_ic node is NULL */
- struct device_node *of_node = irq_domain_get_of_node(h);
- return of_node == NULL || of_node == node;
-}
-
-static int qe_ic_host_map(struct irq_domain *h, unsigned int virq,
- irq_hw_number_t hw)
-{
- struct qe_ic *qe_ic = h->host_data;
- struct irq_chip *chip;
-
- if (hw >= ARRAY_SIZE(qe_ic_info)) {
- pr_err("%s: Invalid hw irq number for QEIC\n", __func__);
- return -EINVAL;
- }
-
- if (qe_ic_info[hw].mask == 0) {
- printk(KERN_ERR "Can't map reserved IRQ\n");
- return -EINVAL;
- }
- /* Default chip */
- chip = &qe_ic->hc_irq;
-
- irq_set_chip_data(virq, qe_ic);
- irq_set_status_flags(virq, IRQ_LEVEL);
-
- irq_set_chip_and_handler(virq, chip, handle_level_irq);
-
- return 0;
-}
-
-static const struct irq_domain_ops qe_ic_host_ops = {
- .match = qe_ic_host_match,
- .map = qe_ic_host_map,
- .xlate = irq_domain_xlate_onetwocell,
-};
-
-/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
-unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
-{
- int irq;
-
- BUG_ON(qe_ic == NULL);
-
- /* get the interrupt source vector. */
- irq = qe_ic_read(qe_ic->regs, QEIC_CIVEC) >> 26;
-
- if (irq == 0)
- return NO_IRQ;
-
- return irq_linear_revmap(qe_ic->irqhost, irq);
-}
-
-/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
-unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
-{
- int irq;
-
- BUG_ON(qe_ic == NULL);
-
- /* get the interrupt source vector. */
- irq = qe_ic_read(qe_ic->regs, QEIC_CHIVEC) >> 26;
-
- if (irq == 0)
- return NO_IRQ;
-
- return irq_linear_revmap(qe_ic->irqhost, irq);
-}
-
-void __init qe_ic_init(struct device_node *node, unsigned int flags,
- void (*low_handler)(struct irq_desc *desc),
- void (*high_handler)(struct irq_desc *desc))
-{
- struct qe_ic *qe_ic;
- struct resource res;
- u32 temp = 0, ret, high_active = 0;
-
- ret = of_address_to_resource(node, 0, &res);
- if (ret)
- return;
-
- qe_ic = kzalloc(sizeof(*qe_ic), GFP_KERNEL);
- if (qe_ic == NULL)
- return;
-
- qe_ic->irqhost = irq_domain_add_linear(node, NR_QE_IC_INTS,
- &qe_ic_host_ops, qe_ic);
- if (qe_ic->irqhost == NULL) {
- kfree(qe_ic);
- return;
- }
-
- qe_ic->regs = ioremap(res.start, resource_size(&res));
-
- qe_ic->hc_irq = qe_ic_irq_chip;
-
- qe_ic->virq_high = irq_of_parse_and_map(node, 0);
- qe_ic->virq_low = irq_of_parse_and_map(node, 1);
-
- if (qe_ic->virq_low == NO_IRQ) {
- printk(KERN_ERR "Failed to map QE_IC low IRQ\n");
- kfree(qe_ic);
- return;
- }
-
- /* default priority scheme is grouped. If spread mode is */
- /* required, configure cicr accordingly. */
- if (flags & QE_IC_SPREADMODE_GRP_W)
- temp |= CICR_GWCC;
- if (flags & QE_IC_SPREADMODE_GRP_X)
- temp |= CICR_GXCC;
- if (flags & QE_IC_SPREADMODE_GRP_Y)
- temp |= CICR_GYCC;
- if (flags & QE_IC_SPREADMODE_GRP_Z)
- temp |= CICR_GZCC;
- if (flags & QE_IC_SPREADMODE_GRP_RISCA)
- temp |= CICR_GRTA;
- if (flags & QE_IC_SPREADMODE_GRP_RISCB)
- temp |= CICR_GRTB;
-
- /* choose destination signal for highest priority interrupt */
- if (flags & QE_IC_HIGH_SIGNAL) {
- temp |= (SIGNAL_HIGH << CICR_HPIT_SHIFT);
- high_active = 1;
- }
-
- qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
-
- irq_set_handler_data(qe_ic->virq_low, qe_ic);
- irq_set_chained_handler(qe_ic->virq_low, low_handler);
-
- if (qe_ic->virq_high != NO_IRQ &&
- qe_ic->virq_high != qe_ic->virq_low) {
- irq_set_handler_data(qe_ic->virq_high, qe_ic);
- irq_set_chained_handler(qe_ic->virq_high, high_handler);
- }
-}
-
-void qe_ic_set_highest_priority(unsigned int virq, int high)
-{
- struct qe_ic *qe_ic = qe_ic_from_irq(virq);
- unsigned int src = virq_to_hw(virq);
- u32 temp = 0;
-
- temp = qe_ic_read(qe_ic->regs, QEIC_CICR);
-
- temp &= ~CICR_HP_MASK;
- temp |= src << CICR_HP_SHIFT;
-
- temp &= ~CICR_HPIT_MASK;
- temp |= (high ? SIGNAL_HIGH : SIGNAL_LOW) << CICR_HPIT_SHIFT;
-
- qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
-}
-
-/* Set Priority level within its group, from 1 to 8 */
-int qe_ic_set_priority(unsigned int virq, unsigned int priority)
-{
- struct qe_ic *qe_ic = qe_ic_from_irq(virq);
- unsigned int src = virq_to_hw(virq);
- u32 temp;
-
- if (priority > 8 || priority == 0)
- return -EINVAL;
- if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
- "%s: Invalid hw irq number for QEIC\n", __func__))
- return -EINVAL;
- if (qe_ic_info[src].pri_reg == 0)
- return -EINVAL;
-
- temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].pri_reg);
-
- if (priority < 4) {
- temp &= ~(0x7 << (32 - priority * 3));
- temp |= qe_ic_info[src].pri_code << (32 - priority * 3);
- } else {
- temp &= ~(0x7 << (24 - priority * 3));
- temp |= qe_ic_info[src].pri_code << (24 - priority * 3);
- }
-
- qe_ic_write(qe_ic->regs, qe_ic_info[src].pri_reg, temp);
-
- return 0;
-}
-
-/* Set a QE priority to use high irq, only priority 1~2 can use high irq */
-int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high)
-{
- struct qe_ic *qe_ic = qe_ic_from_irq(virq);
- unsigned int src = virq_to_hw(virq);
- u32 temp, control_reg = QEIC_CICNR, shift = 0;
-
- if (priority > 2 || priority == 0)
- return -EINVAL;
- if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
- "%s: Invalid hw irq number for QEIC\n", __func__))
- return -EINVAL;
-
- switch (qe_ic_info[src].pri_reg) {
- case QEIC_CIPZCC:
- shift = CICNR_ZCC1T_SHIFT;
- break;
- case QEIC_CIPWCC:
- shift = CICNR_WCC1T_SHIFT;
- break;
- case QEIC_CIPYCC:
- shift = CICNR_YCC1T_SHIFT;
- break;
- case QEIC_CIPXCC:
- shift = CICNR_XCC1T_SHIFT;
- break;
- case QEIC_CIPRTA:
- shift = CRICR_RTA1T_SHIFT;
- control_reg = QEIC_CRICR;
- break;
- case QEIC_CIPRTB:
- shift = CRICR_RTB1T_SHIFT;
- control_reg = QEIC_CRICR;
- break;
- default:
- return -EINVAL;
- }
-
- shift += (2 - priority) * 2;
- temp = qe_ic_read(qe_ic->regs, control_reg);
- temp &= ~(SIGNAL_MASK << shift);
- temp |= (high ? SIGNAL_HIGH : SIGNAL_LOW) << shift;
- qe_ic_write(qe_ic->regs, control_reg, temp);
-
- return 0;
-}
-
-static struct bus_type qe_ic_subsys = {
- .name = "qe_ic",
- .dev_name = "qe_ic",
-};
-
-static struct device device_qe_ic = {
- .id = 0,
- .bus = &qe_ic_subsys,
-};
-
-static int __init init_qe_ic_sysfs(void)
-{
- int rc;
-
- printk(KERN_DEBUG "Registering qe_ic with sysfs...\n");
-
- rc = subsys_system_register(&qe_ic_subsys, NULL);
- if (rc) {
- printk(KERN_ERR "Failed registering qe_ic sys class\n");
- return -ENODEV;
- }
- rc = device_register(&device_qe_ic);
- if (rc) {
- printk(KERN_ERR "Failed registering qe_ic sys device\n");
- return -ENODEV;
- }
- return 0;
-}
-
-subsys_initcall(init_qe_ic_sysfs);
diff --git a/drivers/soc/fsl/qe/qe_ic.h b/drivers/soc/fsl/qe/qe_ic.h
deleted file mode 100644
index 926a2ed..0000000
--- a/drivers/soc/fsl/qe/qe_ic.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * drivers/soc/fsl/qe/qe_ic.h
- *
- * QUICC ENGINE Interrupt Controller Header
- *
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Author: Li Yang <[email protected]>
- * Based on code from Shlomi Gridish <[email protected]>
- *
- * 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.
- */
-#ifndef _POWERPC_SYSDEV_QE_IC_H
-#define _POWERPC_SYSDEV_QE_IC_H
-
-#include <soc/fsl/qe/qe_ic.h>
-
-#define NR_QE_IC_INTS 64
-
-/* QE IC registers offset */
-#define QEIC_CICR 0x00
-#define QEIC_CIVEC 0x04
-#define QEIC_CRIPNR 0x08
-#define QEIC_CIPNR 0x0c
-#define QEIC_CIPXCC 0x10
-#define QEIC_CIPYCC 0x14
-#define QEIC_CIPWCC 0x18
-#define QEIC_CIPZCC 0x1c
-#define QEIC_CIMR 0x20
-#define QEIC_CRIMR 0x24
-#define QEIC_CICNR 0x28
-#define QEIC_CIPRTA 0x30
-#define QEIC_CIPRTB 0x34
-#define QEIC_CRICR 0x3c
-#define QEIC_CHIVEC 0x60
-
-/* Interrupt priority registers */
-#define CIPCC_SHIFT_PRI0 29
-#define CIPCC_SHIFT_PRI1 26
-#define CIPCC_SHIFT_PRI2 23
-#define CIPCC_SHIFT_PRI3 20
-#define CIPCC_SHIFT_PRI4 13
-#define CIPCC_SHIFT_PRI5 10
-#define CIPCC_SHIFT_PRI6 7
-#define CIPCC_SHIFT_PRI7 4
-
-/* CICR priority modes */
-#define CICR_GWCC 0x00040000
-#define CICR_GXCC 0x00020000
-#define CICR_GYCC 0x00010000
-#define CICR_GZCC 0x00080000
-#define CICR_GRTA 0x00200000
-#define CICR_GRTB 0x00400000
-#define CICR_HPIT_SHIFT 8
-#define CICR_HPIT_MASK 0x00000300
-#define CICR_HP_SHIFT 24
-#define CICR_HP_MASK 0x3f000000
-
-/* CICNR */
-#define CICNR_WCC1T_SHIFT 20
-#define CICNR_ZCC1T_SHIFT 28
-#define CICNR_YCC1T_SHIFT 12
-#define CICNR_XCC1T_SHIFT 4
-
-/* CRICR */
-#define CRICR_RTA1T_SHIFT 20
-#define CRICR_RTB1T_SHIFT 28
-
-/* Signal indicator */
-#define SIGNAL_MASK 3
-#define SIGNAL_HIGH 2
-#define SIGNAL_LOW 0
-
-struct qe_ic {
- /* Control registers offset */
- volatile u32 __iomem *regs;
-
- /* The remapper for this QEIC */
- struct irq_domain *irqhost;
-
- /* The "linux" controller struct */
- struct irq_chip hc_irq;
-
- /* VIRQ numbers of QE high/low irqs */
- unsigned int virq_high;
- unsigned int virq_low;
-};
-
-/*
- * QE interrupt controller internal structure
- */
-struct qe_ic_info {
- u32 mask; /* location of this source at the QIMR register. */
- u32 mask_reg; /* Mask register offset */
- u8 pri_code; /* for grouped interrupts sources - the interrupt
- code as appears at the group priority register */
- u32 pri_reg; /* Group priority register offset */
-};
-
-#endif /* _POWERPC_SYSDEV_QE_IC_H */
--
2.1.0.27.g96db324
From 1583367682477519034@xxx Tue Nov 07 01:11:32 +0000 2017
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