#include <asm/arch/board.h>
#include <asm/io.h>
+/*
+ * ----------------------------------------------------------------------------
+ * OMAP revision check
+ *
+ * Since we use the cpu_is_omapnnnn() macros, there's a chance that a board
+ * switches to an updated core. We want to print out the OMAP revision early.
+ *
+ * We use the system_serial registers for the revision information so we
+ * can see it in /proc/cpuinfo.
+ *
+ * If the OMAP detection gets more complicated, we may want to expand this
+ * to store the OMAP version and replace the current cpu_is_omapnnnn() macros.
+ *
+ * ----------------------------------------------------------------------------
+ */
+static void __init omap_check_revision(void)
+{
+ system_serial_high = omap_readl(OMAP_ID_BASE);
+ system_serial_low = OMAP_ID_REG;
+ system_rev = (OMAP_ID_REG >> ID_SHIFT) & ID_MASK;
+
+ printk("OMAP revision: %d.%d (0x%08x) id: 0x%08x detected as OMAP-",
+ (system_serial_high >> 20) & 0xf,
+ (system_serial_high >> 16) & 0xf,
+ system_serial_high, system_serial_low);
+
+ switch (system_rev) {
+ case OMAP_ID_730:
+ printk("730\n");
+ system_rev = 0x730;
+ break;
+ case OMAP_ID_1510:
+ printk("1510\n");
+ system_rev = 0x1510;
+ break;
+ case OMAP_ID_1610:
+ printk("1610\n");
+ system_rev = 0x1610;
+ break;
+ case OMAP_ID_1710:
+ printk("1710\n");
+ system_rev = 0x1710;
+ break;
+ case OMAP_ID_5912:
+ printk("5912/1611B\n");
+ system_rev = 0x5912;
+ break;
+ default:
+ printk("unknown, please add support!\n");
+ }
+}
+
/*
* ----------------------------------------------------------------------------
* OMAP I/O mapping
};
#endif
-#ifdef CONFIG_ARCH_OMAP1610
+#if defined(CONFIG_ARCH_OMAP1610) || defined(CONFIG_ARCH_OMAP1710)
static struct map_desc omap1610_io_desc[] __initdata = {
{ OMAP1610_DSP_BASE, OMAP1610_DSP_START, OMAP1610_DSP_SIZE, MT_DEVICE },
{ OMAP1610_DSPREG_BASE, OMAP1610_DSPREG_START, OMAP1610_DSPREG_SIZE, MT_DEVICE },
static struct map_desc omap5912_io_desc[] __initdata = {
{ OMAP5912_DSP_BASE, OMAP5912_DSP_START, OMAP5912_DSP_SIZE, MT_DEVICE },
{ OMAP5912_DSPREG_BASE, OMAP5912_DSPREG_START, OMAP5912_DSPREG_SIZE, MT_DEVICE },
- { OMAP5912_SRAM_BASE, OMAP5912_SRAM_START, OMAP5912_SRAM_SIZE, MT_DEVICE }
+/*
+ * The OMAP5912 has 250kByte internal SRAM. Because the mapping is baseed on page
+ * size (4kByte), it seems that the last 2kByte (=0x800) of the 250kByte are not mapped.
+ * Add additional 2kByte (0x800) so that the last page is mapped and the last 2kByte
+ * can be used.
+ */
+ { OMAP5912_SRAM_BASE, OMAP5912_SRAM_START, OMAP5912_SRAM_SIZE + 0x800, MT_DEVICE }
};
#endif
/* We have to initialize the IO space mapping before we can run
* cpu_is_omapxxx() macros. */
iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc));
+ omap_check_revision();
#ifdef CONFIG_ARCH_OMAP730
if (cpu_is_omap730()) {
iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
}
#endif
-#ifdef CONFIG_ARCH_OMAP1610
- if (cpu_is_omap1610()) {
+#if defined(CONFIG_ARCH_OMAP1610) || defined(CONFIG_ARCH_OMAP1710)
+ if (cpu_is_omap1610() || cpu_is_omap1710()) {
iotable_init(omap1610_io_desc, ARRAY_SIZE(omap1610_io_desc));
}
#endif
/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
* on a Posted Write in the TIPB Bridge".
*/
- omap_writew(0x0, MPU_PUBLIC_TIPB_CNTL_REG);
- omap_writew(0x0, MPU_PRIVATE_TIPB_CNTL_REG);
+ omap_writew(0x0, MPU_PUBLIC_TIPB_CNTL);
+ omap_writew(0x0, MPU_PRIVATE_TIPB_CNTL);
/* Must init clocks early to assure that timer interrupt works
*/
extern int omap_bootloader_tag_len;
extern u8 omap_bootloader_tag[];
-const void *__omap_get_per_info(u16 tag, size_t len)
+struct omap_board_config_kernel *omap_board_config;
+int omap_board_config_size = 0;
+
+const void *__omap_get_config(u16 tag, size_t len)
{
- struct omap_board_info_entry *info = NULL;
+ struct omap_board_config_entry *info = NULL;
+ struct omap_board_config_kernel *kinfo = NULL;
+ int i;
#ifdef CONFIG_OMAP_BOOT_TAG
if (omap_bootloader_tag_len > 4)
- info = (struct omap_board_info_entry *) omap_bootloader_tag;
+ info = (struct omap_board_config_entry *) omap_bootloader_tag;
while (info != NULL) {
u8 *next;
if (next >= omap_bootloader_tag + omap_bootloader_tag_len)
info = NULL;
else
- info = (struct omap_board_info_entry *) next;
+ info = (struct omap_board_config_entry *) next;
+ }
+ if (info != NULL) {
+ /* Check the length as a lame attempt to check for
+ * binary inconsistancy. */
+ if (info->len != len) {
+ printk(KERN_ERR "OMAP peripheral config: Length mismatch with tag %x (want %d, got %d)\n",
+ tag, len, info->len);
+ return NULL;
+ }
+ return info->data;
}
#endif
- if (info == NULL)
- return NULL;
- if (info->len != len) {
- printk(KERN_ERR "OMAP per_info: Length mismatch with tag %x (want %d, got %d)\n",
- tag, len, info->len);
- return NULL;
+ /* Try to find the config from the board-specific structures
+ * in the kernel. */
+ for (i = 0; i < omap_board_config_size; i++) {
+ if (omap_board_config[i].tag == tag) {
+ kinfo = &omap_board_config[i];
+ break;
+ }
}
-
- return info->data;
+ if (kinfo == NULL)
+ return NULL;
+ return kinfo->data;
}
-EXPORT_SYMBOL(__omap_get_per_info);
+EXPORT_SYMBOL(__omap_get_config);
static int __init omap_add_serial_console(void)
{
- const struct omap_uart_info *info;
+ const struct omap_uart_config *info;
- info = omap_get_per_info(OMAP_TAG_UART, struct omap_uart_info);
+ info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
if (info != NULL && info->console_uart) {
static char speed[11], *opt = NULL;
git://git.onelab.eu / linux-2.6.git / blobdiff