MIPS: PowerTV: Streamline access to platform device registers
Pre-compute addresses for the basic ASIC registers. This speeds up access
and allows memory for unused configurations to be freed. In addition,
uninitialized register addresses will be returned as NULL to catch bad
usage quickly.
Signed-off-by: David VomLehn <dvomlehn@cisco.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/806/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/powertv/asic/asic-calliope.c b/arch/mips/powertv/asic/asic-calliope.c
index 03d3884..1ae6623 100644
--- a/arch/mips/powertv/asic/asic-calliope.c
+++ b/arch/mips/powertv/asic/asic-calliope.c
@@ -23,76 +23,79 @@
* Description: Defines the platform resources for the SA settop.
*/
+#include <linux/init.h>
#include <asm/mach-powertv/asic.h>
-const struct register_map calliope_register_map = {
- .eic_slow0_strt_add = 0x800000,
- .eic_cfg_bits = 0x800038,
- .eic_ready_status = 0x80004c,
+#define CALLIOPE_ADDR(x) (CALLIOPE_IO_BASE + (x))
- .chipver3 = 0xA00800,
- .chipver2 = 0xA00804,
- .chipver1 = 0xA00808,
- .chipver0 = 0xA0080c,
+const struct register_map calliope_register_map __initdata = {
+ .eic_slow0_strt_add = {.phys = CALLIOPE_ADDR(0x800000)},
+ .eic_cfg_bits = {.phys = CALLIOPE_ADDR(0x800038)},
+ .eic_ready_status = {.phys = CALLIOPE_ADDR(0x80004c)},
+
+ .chipver3 = {.phys = CALLIOPE_ADDR(0xA00800)},
+ .chipver2 = {.phys = CALLIOPE_ADDR(0xA00804)},
+ .chipver1 = {.phys = CALLIOPE_ADDR(0xA00808)},
+ .chipver0 = {.phys = CALLIOPE_ADDR(0xA0080c)},
/* The registers of IRBlaster */
- .uart1_intstat = 0xA01800,
- .uart1_inten = 0xA01804,
- .uart1_config1 = 0xA01808,
- .uart1_config2 = 0xA0180C,
- .uart1_divisorhi = 0xA01810,
- .uart1_divisorlo = 0xA01814,
- .uart1_data = 0xA01818,
- .uart1_status = 0xA0181C,
+ .uart1_intstat = {.phys = CALLIOPE_ADDR(0xA01800)},
+ .uart1_inten = {.phys = CALLIOPE_ADDR(0xA01804)},
+ .uart1_config1 = {.phys = CALLIOPE_ADDR(0xA01808)},
+ .uart1_config2 = {.phys = CALLIOPE_ADDR(0xA0180C)},
+ .uart1_divisorhi = {.phys = CALLIOPE_ADDR(0xA01810)},
+ .uart1_divisorlo = {.phys = CALLIOPE_ADDR(0xA01814)},
+ .uart1_data = {.phys = CALLIOPE_ADDR(0xA01818)},
+ .uart1_status = {.phys = CALLIOPE_ADDR(0xA0181C)},
- .int_stat_3 = 0xA02800,
- .int_stat_2 = 0xA02804,
- .int_stat_1 = 0xA02808,
- .int_stat_0 = 0xA0280c,
- .int_config = 0xA02810,
- .int_int_scan = 0xA02818,
- .ien_int_3 = 0xA02830,
- .ien_int_2 = 0xA02834,
- .ien_int_1 = 0xA02838,
- .ien_int_0 = 0xA0283c,
- .int_level_3_3 = 0xA02880,
- .int_level_3_2 = 0xA02884,
- .int_level_3_1 = 0xA02888,
- .int_level_3_0 = 0xA0288c,
- .int_level_2_3 = 0xA02890,
- .int_level_2_2 = 0xA02894,
- .int_level_2_1 = 0xA02898,
- .int_level_2_0 = 0xA0289c,
- .int_level_1_3 = 0xA028a0,
- .int_level_1_2 = 0xA028a4,
- .int_level_1_1 = 0xA028a8,
- .int_level_1_0 = 0xA028ac,
- .int_level_0_3 = 0xA028b0,
- .int_level_0_2 = 0xA028b4,
- .int_level_0_1 = 0xA028b8,
- .int_level_0_0 = 0xA028bc,
- .int_docsis_en = 0xA028F4,
+ .int_stat_3 = {.phys = CALLIOPE_ADDR(0xA02800)},
+ .int_stat_2 = {.phys = CALLIOPE_ADDR(0xA02804)},
+ .int_stat_1 = {.phys = CALLIOPE_ADDR(0xA02808)},
+ .int_stat_0 = {.phys = CALLIOPE_ADDR(0xA0280c)},
+ .int_config = {.phys = CALLIOPE_ADDR(0xA02810)},
+ .int_int_scan = {.phys = CALLIOPE_ADDR(0xA02818)},
+ .ien_int_3 = {.phys = CALLIOPE_ADDR(0xA02830)},
+ .ien_int_2 = {.phys = CALLIOPE_ADDR(0xA02834)},
+ .ien_int_1 = {.phys = CALLIOPE_ADDR(0xA02838)},
+ .ien_int_0 = {.phys = CALLIOPE_ADDR(0xA0283c)},
+ .int_level_3_3 = {.phys = CALLIOPE_ADDR(0xA02880)},
+ .int_level_3_2 = {.phys = CALLIOPE_ADDR(0xA02884)},
+ .int_level_3_1 = {.phys = CALLIOPE_ADDR(0xA02888)},
+ .int_level_3_0 = {.phys = CALLIOPE_ADDR(0xA0288c)},
+ .int_level_2_3 = {.phys = CALLIOPE_ADDR(0xA02890)},
+ .int_level_2_2 = {.phys = CALLIOPE_ADDR(0xA02894)},
+ .int_level_2_1 = {.phys = CALLIOPE_ADDR(0xA02898)},
+ .int_level_2_0 = {.phys = CALLIOPE_ADDR(0xA0289c)},
+ .int_level_1_3 = {.phys = CALLIOPE_ADDR(0xA028a0)},
+ .int_level_1_2 = {.phys = CALLIOPE_ADDR(0xA028a4)},
+ .int_level_1_1 = {.phys = CALLIOPE_ADDR(0xA028a8)},
+ .int_level_1_0 = {.phys = CALLIOPE_ADDR(0xA028ac)},
+ .int_level_0_3 = {.phys = CALLIOPE_ADDR(0xA028b0)},
+ .int_level_0_2 = {.phys = CALLIOPE_ADDR(0xA028b4)},
+ .int_level_0_1 = {.phys = CALLIOPE_ADDR(0xA028b8)},
+ .int_level_0_0 = {.phys = CALLIOPE_ADDR(0xA028bc)},
+ .int_docsis_en = {.phys = CALLIOPE_ADDR(0xA028F4)},
- .mips_pll_setup = 0x980000,
- .usb_fs = 0x980030, /* -default 72800028- */
- .test_bus = 0x9800CC,
- .crt_spare = 0x9800d4,
- .usb2_ohci_int_mask = 0x9A000c,
- .usb2_strap = 0x9A0014,
- .ehci_hcapbase = 0x9BFE00,
- .ohci_hc_revision = 0x9BFC00,
- .bcm1_bs_lmi_steer = 0x9E0004,
- .usb2_control = 0x9E0054,
- .usb2_stbus_obc = 0x9BFF00,
- .usb2_stbus_mess_size = 0x9BFF04,
- .usb2_stbus_chunk_size = 0x9BFF08,
+ .mips_pll_setup = {.phys = CALLIOPE_ADDR(0x980000)},
+ .usb_fs = {.phys = CALLIOPE_ADDR(0x980030)},
+ .test_bus = {.phys = CALLIOPE_ADDR(0x9800CC)},
+ .crt_spare = {.phys = CALLIOPE_ADDR(0x9800d4)},
+ .usb2_ohci_int_mask = {.phys = CALLIOPE_ADDR(0x9A000c)},
+ .usb2_strap = {.phys = CALLIOPE_ADDR(0x9A0014)},
+ .ehci_hcapbase = {.phys = CALLIOPE_ADDR(0x9BFE00)},
+ .ohci_hc_revision = {.phys = CALLIOPE_ADDR(0x9BFC00)},
+ .bcm1_bs_lmi_steer = {.phys = CALLIOPE_ADDR(0x9E0004)},
+ .usb2_control = {.phys = CALLIOPE_ADDR(0x9E0054)},
+ .usb2_stbus_obc = {.phys = CALLIOPE_ADDR(0x9BFF00)},
+ .usb2_stbus_mess_size = {.phys = CALLIOPE_ADDR(0x9BFF04)},
+ .usb2_stbus_chunk_size = {.phys = CALLIOPE_ADDR(0x9BFF08)},
- .pcie_regs = 0x000000, /* -doesn't exist- */
- .tim_ch = 0xA02C10,
- .tim_cl = 0xA02C14,
- .gpio_dout = 0xA02c20,
- .gpio_din = 0xA02c24,
- .gpio_dir = 0xA02c2C,
- .watchdog = 0xA02c30,
- .front_panel = 0x000000, /* -not used- */
+ .pcie_regs = {.phys = 0x000000}, /* -doesn't exist- */
+ .tim_ch = {.phys = CALLIOPE_ADDR(0xA02C10)},
+ .tim_cl = {.phys = CALLIOPE_ADDR(0xA02C14)},
+ .gpio_dout = {.phys = CALLIOPE_ADDR(0xA02c20)},
+ .gpio_din = {.phys = CALLIOPE_ADDR(0xA02c24)},
+ .gpio_dir = {.phys = CALLIOPE_ADDR(0xA02c2C)},
+ .watchdog = {.phys = CALLIOPE_ADDR(0xA02c30)},
+ .front_panel = {.phys = 0x000000}, /* -not used- */
};