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-rw-r--r--arch/arm/cpu/armv7/bcm281xx/Makefile1
-rw-r--r--arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c16
-rw-r--r--arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c27
-rw-r--r--arch/arm/cpu/armv7/kona-common/clk-stubs.c5
-rw-r--r--arch/arm/include/asm/arch-bcm281xx/sysmap.h2
-rw-r--r--arch/arm/include/asm/arch-bcm2835/mbox.h1
-rw-r--r--arch/arm/include/asm/kona-common/clk.h1
-rw-r--r--arch/arm/include/asm/semihosting.h6
-rw-r--r--arch/arm/lib/semihosting.c225
9 files changed, 168 insertions, 116 deletions
diff --git a/arch/arm/cpu/armv7/bcm281xx/Makefile b/arch/arm/cpu/armv7/bcm281xx/Makefile
index bd867a2..f24aeb3 100644
--- a/arch/arm/cpu/armv7/bcm281xx/Makefile
+++ b/arch/arm/cpu/armv7/bcm281xx/Makefile
@@ -10,3 +10,4 @@ obj-y += clk-bcm281xx.o
obj-y += clk-sdio.o
obj-y += clk-bsc.o
obj-$(CONFIG_BCM_SF2_ETH) += clk-eth.o
+obj-y += clk-usb-otg.o
diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c
index d16b99f..7e25255 100644
--- a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c
+++ b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c
@@ -209,6 +209,10 @@ static struct peri_clk_data sdio4_sleep_data = {
.gate = SW_ONLY_GATE(0x0360, 20, 4),
};
+static struct bus_clk_data usb_otg_ahb_data = {
+ .gate = HW_SW_GATE_AUTO(0x0348, 16, 0, 1),
+};
+
static struct bus_clk_data sdio1_ahb_data = {
.gate = HW_SW_GATE_AUTO(0x0358, 16, 0, 1),
};
@@ -331,6 +335,17 @@ static struct ccu_clock esub_ccu_clk = {
*/
/* KPM bus clocks */
+static struct bus_clock usb_otg_ahb_clk = {
+ .clk = {
+ .name = "usb_otg_ahb_clk",
+ .parent = &kpm_ccu_clk.clk,
+ .ops = &bus_clk_ops,
+ .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR,
+ },
+ .freq_tbl = master_ahb_freq_tbl,
+ .data = &usb_otg_ahb_data,
+};
+
static struct bus_clock sdio1_ahb_clk = {
.clk = {
.name = "sdio1_ahb_clk",
@@ -541,6 +556,7 @@ struct clk_lookup arch_clk_tbl[] = {
CLK_LK(bsc2),
CLK_LK(bsc3),
/* Bus clocks */
+ CLK_LK(usb_otg_ahb),
CLK_LK(sdio1_ahb),
CLK_LK(sdio2_ahb),
CLK_LK(sdio3_ahb),
diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c b/arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c
new file mode 100644
index 0000000..1d7c5af
--- /dev/null
+++ b/arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/arch/sysmap.h>
+#include "clk-core.h"
+
+/* Enable appropriate clocks for the USB OTG port */
+int clk_usb_otg_enable(void *base)
+{
+ char *ahbstr;
+
+ switch ((u32) base) {
+ case HSOTG_BASE_ADDR:
+ ahbstr = "usb_otg_ahb_clk";
+ break;
+ default:
+ printf("%s: base 0x%p not found\n", __func__, base);
+ return -EINVAL;
+ }
+
+ return clk_get_and_enable(ahbstr);
+}
diff --git a/arch/arm/cpu/armv7/kona-common/clk-stubs.c b/arch/arm/cpu/armv7/kona-common/clk-stubs.c
index 338e0e4..fa10802 100644
--- a/arch/arm/cpu/armv7/kona-common/clk-stubs.c
+++ b/arch/arm/cpu/armv7/kona-common/clk-stubs.c
@@ -19,3 +19,8 @@ int __weak clk_bsc_enable(void *base, u32 rate, u32 *actual_ratep)
{
return 0;
}
+
+int __weak clk_usb_otg_enable(void *base)
+{
+ return 0;
+}
diff --git a/arch/arm/include/asm/arch-bcm281xx/sysmap.h b/arch/arm/include/asm/arch-bcm281xx/sysmap.h
index 350e7f6..93ebf34 100644
--- a/arch/arm/include/asm/arch-bcm281xx/sysmap.h
+++ b/arch/arm/include/asm/arch-bcm281xx/sysmap.h
@@ -13,6 +13,8 @@
#define ESUB_CLK_BASE_ADDR 0x38000000
#define ESW_CONTRL_BASE_ADDR 0x38200000
#define GPIO2_BASE_ADDR 0x35003000
+#define HSOTG_BASE_ADDR 0x3f120000
+#define HSOTG_CTRL_BASE_ADDR 0x3f130000
#define KONA_MST_CLK_BASE_ADDR 0x3f001000
#define KONA_SLV_CLK_BASE_ADDR 0x3e011000
#define PMU_BSC_BASE_ADDR 0x3500d000
diff --git a/arch/arm/include/asm/arch-bcm2835/mbox.h b/arch/arm/include/asm/arch-bcm2835/mbox.h
index 0289ba6..88d2ec1 100644
--- a/arch/arm/include/asm/arch-bcm2835/mbox.h
+++ b/arch/arm/include/asm/arch-bcm2835/mbox.h
@@ -140,6 +140,7 @@ struct bcm2835_mbox_tag_hdr {
#define BCM2835_BOARD_REV_B_REV2_f 0xf
#define BCM2835_BOARD_REV_B_PLUS 0x10
#define BCM2835_BOARD_REV_CM 0x11
+#define BCM2835_BOARD_REV_A_PLUS 0x12
struct bcm2835_mbox_tag_get_board_rev {
struct bcm2835_mbox_tag_hdr tag_hdr;
diff --git a/arch/arm/include/asm/kona-common/clk.h b/arch/arm/include/asm/kona-common/clk.h
index 2c7e829..a5e2fd9 100644
--- a/arch/arm/include/asm/kona-common/clk.h
+++ b/arch/arm/include/asm/kona-common/clk.h
@@ -25,5 +25,6 @@ int clk_set_parent(struct clk *clk, struct clk *parent);
struct clk *clk_get_parent(struct clk *clk);
int clk_sdio_enable(void *base, u32 rate, u32 *actual_ratep);
int clk_bsc_enable(void *base);
+int clk_usb_otg_enable(void *base);
#endif
diff --git a/arch/arm/include/asm/semihosting.h b/arch/arm/include/asm/semihosting.h
index 74111dc..835ca7e 100644
--- a/arch/arm/include/asm/semihosting.h
+++ b/arch/arm/include/asm/semihosting.h
@@ -12,10 +12,6 @@
* code for more information.
*/
int smh_load(const char *fname, void *memp, int avail, int verbose);
-int smh_read(int fd, void *memp, int len);
-int smh_open(const char *fname, char *modestr);
-int smh_close(int fd);
-int smh_len_fd(int fd);
-int smh_len(const char *fname);
+long smh_len(const char *fname);
#endif /* __SEMIHOSTING_H__ */
diff --git a/arch/arm/lib/semihosting.c b/arch/arm/lib/semihosting.c
index cb5dc26..fd6d857 100644
--- a/arch/arm/lib/semihosting.c
+++ b/arch/arm/lib/semihosting.c
@@ -26,9 +26,9 @@
/*
* Call the handler
*/
-static int smh_trap(unsigned int sysnum, void *addr)
+static long smh_trap(unsigned int sysnum, void *addr)
{
- register int result asm("r0");
+ register long result asm("r0");
#if defined(CONFIG_ARM64)
asm volatile ("hlt #0xf000" : "=r" (result) : "0"(sysnum), "r"(addr));
#else
@@ -39,167 +39,164 @@ static int smh_trap(unsigned int sysnum, void *addr)
}
/*
- * Open, load a file into memory, and close it. Check that the available space
- * is sufficient to store the entire file. Return the bytes actually read from
- * the file as seen by the read function. The verbose flag enables some extra
- * printing of successful read status.
+ * Open a file on the host. Mode is "r" or "rb" currently. Returns a file
+ * descriptor or -1 on error.
*/
-int smh_load(const char *fname, void *memp, int avail, int verbose)
+static long smh_open(const char *fname, char *modestr)
{
- int ret, fd, len;
-
- ret = -1;
-
- debug("%s: fname \'%s\', avail %u, memp %p\n", __func__, fname,
- avail, memp);
-
- /* Open the file */
- fd = smh_open(fname, "rb");
- if (fd == -1)
- return ret;
+ long fd;
+ unsigned long mode;
+ struct smh_open_s {
+ const char *fname;
+ unsigned long mode;
+ size_t len;
+ } open;
- /* Get the file length */
- ret = smh_len_fd(fd);
- if (ret == -1) {
- smh_close(fd);
- return ret;
- }
+ debug("%s: file \'%s\', mode \'%s\'\n", __func__, fname, modestr);
- /* Check that the file will fit in the supplied buffer */
- if (ret > avail) {
- printf("%s: ERROR ret %d, avail %u\n", __func__, ret,
- avail);
- smh_close(fd);
- return ret;
+ /* Check the file mode */
+ if (!(strcmp(modestr, "r"))) {
+ mode = MODE_READ;
+ } else if (!(strcmp(modestr, "rb"))) {
+ mode = MODE_READBIN;
+ } else {
+ printf("%s: ERROR mode \'%s\' not supported\n", __func__,
+ modestr);
+ return -1;
}
- len = ret;
-
- /* Read the file into the buffer */
- ret = smh_read(fd, memp, len);
- if (ret == 0) {
- /* Print successful load information if requested */
- if (verbose) {
- printf("\n%s\n", fname);
- printf(" 0x%8p dest\n", memp);
- printf(" 0x%08x size\n", len);
- printf(" 0x%08x avail\n", avail);
- }
- }
+ open.fname = fname;
+ open.len = strlen(fname);
+ open.mode = mode;
- /* Close the file */
- smh_close(fd);
+ /* Open the file on the host */
+ fd = smh_trap(SYSOPEN, &open);
+ if (fd == -1)
+ printf("%s: ERROR fd %ld for file \'%s\'\n", __func__, fd,
+ fname);
- return ret;
+ return fd;
}
/*
* Read 'len' bytes of file into 'memp'. Returns 0 on success, else failure
*/
-int smh_read(int fd, void *memp, int len)
+static long smh_read(long fd, void *memp, size_t len)
{
- int ret;
+ long ret;
struct smh_read_s {
- int fd;
+ long fd;
void *memp;
- int len;
+ size_t len;
} read;
- debug("%s: fd %d, memp %p, len %d\n", __func__, fd, memp, len);
+ debug("%s: fd %ld, memp %p, len %lu\n", __func__, fd, memp, len);
read.fd = fd;
read.memp = memp;
read.len = len;
ret = smh_trap(SYSREAD, &read);
- if (ret == 0) {
- return 0;
- } else {
+ if (ret < 0) {
/*
* The ARM handler allows for returning partial lengths,
* but in practice this never happens so rather than create
* hard to maintain partial read loops and such, just fail
* with an error message.
*/
- printf("%s: ERROR ret %d, fd %d, len %u memp %p\n",
+ printf("%s: ERROR ret %ld, fd %ld, len %lu memp %p\n",
__func__, ret, fd, len, memp);
+ return -1;
}
- return ret;
+
+ return 0;
}
/*
- * Open a file on the host. Mode is "r" or "rb" currently. Returns a file
- * descriptor or -1 on error.
+ * Close the file using the file descriptor
*/
-int smh_open(const char *fname, char *modestr)
+static long smh_close(long fd)
{
- int ret, fd, mode;
- struct smh_open_s {
- const char *fname;
- unsigned int mode;
- unsigned int len;
- } open;
+ long ret;
- debug("%s: file \'%s\', mode \'%s\'\n", __func__, fname, modestr);
-
- ret = -1;
+ debug("%s: fd %ld\n", __func__, fd);
- /* Check the file mode */
- if (!(strcmp(modestr, "r"))) {
- mode = MODE_READ;
- } else if (!(strcmp(modestr, "rb"))) {
- mode = MODE_READBIN;
- } else {
- printf("%s: ERROR mode \'%s\' not supported\n", __func__,
- modestr);
- return ret;
- }
-
- open.fname = fname;
- open.len = strlen(fname);
- open.mode = mode;
-
- /* Open the file on the host */
- fd = smh_trap(SYSOPEN, &open);
- if (fd == -1)
- printf("%s: ERROR fd %d for file \'%s\'\n", __func__, fd,
- fname);
+ ret = smh_trap(SYSCLOSE, &fd);
+ if (ret == -1)
+ printf("%s: ERROR fd %ld\n", __func__, fd);
- return fd;
+ return ret;
}
/*
- * Close the file using the file descriptor
+ * Get the file length from the file descriptor
*/
-int smh_close(int fd)
+static long smh_len_fd(long fd)
{
- int ret;
- long fdlong;
+ long ret;
- debug("%s: fd %d\n", __func__, fd);
+ debug("%s: fd %ld\n", __func__, fd);
- fdlong = (long)fd;
- ret = smh_trap(SYSCLOSE, &fdlong);
+ ret = smh_trap(SYSFLEN, &fd);
if (ret == -1)
- printf("%s: ERROR fd %d\n", __func__, fd);
+ printf("%s: ERROR ret %ld, fd %ld\n", __func__, ret, fd);
return ret;
}
/*
- * Get the file length from the file descriptor
+ * Open, load a file into memory, and close it. Check that the available space
+ * is sufficient to store the entire file. Return the bytes actually read from
+ * the file as seen by the read function. The verbose flag enables some extra
+ * printing of successful read status.
*/
-int smh_len_fd(int fd)
+int smh_load(const char *fname, void *memp, int avail, int verbose)
{
- int ret;
- long fdlong;
+ long ret;
+ long fd;
+ size_t len;
- debug("%s: fd %d\n", __func__, fd);
+ ret = -1;
- fdlong = (long)fd;
- ret = smh_trap(SYSFLEN, &fdlong);
- if (ret == -1)
- printf("%s: ERROR ret %d\n", __func__, ret);
+ debug("%s: fname \'%s\', avail %u, memp %p\n", __func__, fname,
+ avail, memp);
+
+ /* Open the file */
+ fd = smh_open(fname, "rb");
+ if (fd == -1)
+ return -1;
+
+ /* Get the file length */
+ ret = smh_len_fd(fd);
+ if (ret == -1) {
+ smh_close(fd);
+ return -1;
+ }
+
+ /* Check that the file will fit in the supplied buffer */
+ if (ret > avail) {
+ printf("%s: ERROR ret %ld, avail %u\n", __func__, ret,
+ avail);
+ smh_close(fd);
+ return -1;
+ }
+
+ len = ret;
+
+ /* Read the file into the buffer */
+ ret = smh_read(fd, memp, len);
+ if (ret == 0) {
+ /* Print successful load information if requested */
+ if (verbose) {
+ printf("\n%s\n", fname);
+ printf(" 0x%8p dest\n", memp);
+ printf(" 0x%08lx size\n", len);
+ printf(" 0x%08x avail\n", avail);
+ }
+ }
+
+ /* Close the file */
+ smh_close(fd);
return ret;
}
@@ -207,26 +204,32 @@ int smh_len_fd(int fd)
/*
* Get the file length from the filename
*/
-int smh_len(const char *fname)
+long smh_len(const char *fname)
{
- int ret, fd, len;
+ long ret;
+ long fd;
+ long len;
debug("%s: file \'%s\'\n", __func__, fname);
/* Open the file */
fd = smh_open(fname, "rb");
- if (fd == -1)
+ if (fd < 0)
return fd;
/* Get the file length */
len = smh_len_fd(fd);
+ if (len < 0) {
+ smh_close(fd);
+ return len;
+ }
/* Close the file */
ret = smh_close(fd);
- if (ret == -1)
+ if (ret < 0)
return ret;
- debug("%s: returning len %d\n", __func__, len);
+ debug("%s: returning len %ld\n", __func__, len);
/* Return the file length (or -1 error indication) */
return len;
generated by cgit v1.1 at 2024-10-30 07:46:38 +0000