1 files changed, 155 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-powertv/asic_regs.h b/arch/mips/include/asm/mach-powertv/asic_regs.h
new file mode 100644
index 000000000000..9a65c93782f9
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/asic_regs.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2009  Cisco Systems, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __ASM_MACH_POWERTV_ASIC_H_
+#define __ASM_MACH_POWERTV_ASIC_H_
+#include <linux/io.h>
+
+/* ASIC types */
+enum asic_type {
+        ASIC_UNKNOWN,
+        ASIC_ZEUS,
+        ASIC_CALLIOPE,
+        ASIC_CRONUS,
+        ASIC_CRONUSLITE,
+        ASICS
+};
+
+/* hardcoded values read from Chip Version registers */
+#define CRONUS_10       0x0B4C1C20
+#define CRONUS_11       0x0B4C1C21
+#define CRONUSLITE_10   0x0B4C1C40
+
+#define NAND_FLASH_BASE 0x03000000
+#define ZEUS_IO_BASE    0x09000000
+#define CALLIOPE_IO_BASE        0x08000000
+#define CRONUS_IO_BASE  0x09000000
+#define ASIC_IO_SIZE    0x01000000
+
+/* Definitions for backward compatibility */
+#define UART1_INTSTAT   uart1_intstat
+#define UART1_INTEN     uart1_inten
+#define UART1_CONFIG1   uart1_config1
+#define UART1_CONFIG2   uart1_config2
+#define UART1_DIVISORHI uart1_divisorhi
+#define UART1_DIVISORLO uart1_divisorlo
+#define UART1_DATA      uart1_data
+#define UART1_STATUS    uart1_status
+
+/* ASIC register enumeration */
+struct register_map {
+        u32 eic_slow0_strt_add;
+        u32 eic_cfg_bits;
+        u32 eic_ready_status;
+
+        u32 chipver3;
+        u32 chipver2;
+        u32 chipver1;
+        u32 chipver0;
+
+        u32 uart1_intstat;
+        u32 uart1_inten;
+        u32 uart1_config1;
+        u32 uart1_config2;
+        u32 uart1_divisorhi;
+        u32 uart1_divisorlo;
+        u32 uart1_data;
+        u32 uart1_status;
+
+        u32 int_stat_3;
+        u32 int_stat_2;
+        u32 int_stat_1;
+        u32 int_stat_0;
+        u32 int_config;
+        u32 int_int_scan;
+        u32 ien_int_3;
+        u32 ien_int_2;
+        u32 ien_int_1;
+        u32 ien_int_0;
+        u32 int_level_3_3;
+        u32 int_level_3_2;
+        u32 int_level_3_1;
+        u32 int_level_3_0;
+        u32 int_level_2_3;
+        u32 int_level_2_2;
+        u32 int_level_2_1;
+        u32 int_level_2_0;
+        u32 int_level_1_3;
+        u32 int_level_1_2;
+        u32 int_level_1_1;
+        u32 int_level_1_0;
+        u32 int_level_0_3;
+        u32 int_level_0_2;
+        u32 int_level_0_1;
+        u32 int_level_0_0;
+        u32 int_docsis_en;
+
+        u32 mips_pll_setup;
+        u32 usb_fs;
+        u32 test_bus;
+        u32 crt_spare;
+        u32 usb2_ohci_int_mask;
+        u32 usb2_strap;
+        u32 ehci_hcapbase;
+        u32 ohci_hc_revision;
+        u32 bcm1_bs_lmi_steer;
+        u32 usb2_control;
+        u32 usb2_stbus_obc;
+        u32 usb2_stbus_mess_size;
+        u32 usb2_stbus_chunk_size;
+
+        u32 pcie_regs;
+        u32 tim_ch;
+        u32 tim_cl;
+        u32 gpio_dout;
+        u32 gpio_din;
+        u32 gpio_dir;
+        u32 watchdog;
+        u32 front_panel;
+
+        u32 register_maps;
+};
+
+extern enum asic_type asic;
+extern const struct register_map *register_map;
+extern unsigned long asic_phy_base;     /* Physical address of ASIC */
+extern unsigned long asic_base;         /* Virtual address of ASIC */
+
+/*
+ * Macros to interface to registers through their ioremapped address
+ * asic_reg_offset      Returns the offset of a given register from the start
+ *                      of the ASIC address space
+ * asic_reg_phys_addr   Returns the physical address of the given register
+ * asic_reg_addr        Returns the iomapped virtual address of the given
+ *                      register.
+ */
+#define asic_reg_offset(x)      (register_map->x)
+#define asic_reg_phys_addr(x)   (asic_phy_base + asic_reg_offset(x))
+#define asic_reg_addr(x) \
+        ((unsigned int *) (asic_base + asic_reg_offset(x)))
+
+/*
+ * The asic_reg macro is gone. It should be replaced by either asic_read or
+ * asic_write, as appropriate.
+ */
+
+#define asic_read(x)            readl(asic_reg_addr(x))
+#define asic_write(v, x)        writel(v, asic_reg_addr(x))
+
+extern void asic_irq_init(void);
+#endif