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authorDavid VomLehn <dvomlehn@cisco.com>2009-12-23 17:34:46 -0800
committerRalf Baechle <ralf@linux-mips.org>2010-01-28 00:03:31 +0100
commit59dfa2fcaecc39fb88bfa196cb15adca7146867a (patch)
tree25a1e3541ec399110d7a53ac8162e1bbcbd5efc0 /arch/mips/powertv/asic/asic-zeus.c
parent9c4a6fce2032fcb5bb8339d53fd3dadfd7ddfb98 (diff)
downloadlinux-2.6.34-ux500-59dfa2fcaecc39fb88bfa196cb15adca7146867a.tar.gz
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>
Diffstat (limited to 'arch/mips/powertv/asic/asic-zeus.c')
-rw-r--r--arch/mips/powertv/asic/asic-zeus.c131
1 files changed, 67 insertions, 64 deletions
diff --git a/arch/mips/powertv/asic/asic-zeus.c b/arch/mips/powertv/asic/asic-zeus.c
index 1469daab920..095cbe10ebb 100644
--- a/arch/mips/powertv/asic/asic-zeus.c
+++ b/arch/mips/powertv/asic/asic-zeus.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 zeus_register_map = {
- .eic_slow0_strt_add = 0x000000,
- .eic_cfg_bits = 0x000038,
- .eic_ready_status = 0x00004c,
+#define ZEUS_ADDR(x) (ZEUS_IO_BASE + (x))
- .chipver3 = 0x280800,
- .chipver2 = 0x280804,
- .chipver1 = 0x280808,
- .chipver0 = 0x28080c,
+const struct register_map zeus_register_map __initdata = {
+ .eic_slow0_strt_add = {.phys = ZEUS_ADDR(0x000000)},
+ .eic_cfg_bits = {.phys = ZEUS_ADDR(0x000038)},
+ .eic_ready_status = {.phys = ZEUS_ADDR(0x00004c)},
+
+ .chipver3 = {.phys = ZEUS_ADDR(0x280800)},
+ .chipver2 = {.phys = ZEUS_ADDR(0x280804)},
+ .chipver1 = {.phys = ZEUS_ADDR(0x280808)},
+ .chipver0 = {.phys = ZEUS_ADDR(0x28080c)},
/* The registers of IRBlaster */
- .uart1_intstat = 0x281800,
- .uart1_inten = 0x281804,
- .uart1_config1 = 0x281808,
- .uart1_config2 = 0x28180C,
- .uart1_divisorhi = 0x281810,
- .uart1_divisorlo = 0x281814,
- .uart1_data = 0x281818,
- .uart1_status = 0x28181C,
+ .uart1_intstat = {.phys = ZEUS_ADDR(0x281800)},
+ .uart1_inten = {.phys = ZEUS_ADDR(0x281804)},
+ .uart1_config1 = {.phys = ZEUS_ADDR(0x281808)},
+ .uart1_config2 = {.phys = ZEUS_ADDR(0x28180C)},
+ .uart1_divisorhi = {.phys = ZEUS_ADDR(0x281810)},
+ .uart1_divisorlo = {.phys = ZEUS_ADDR(0x281814)},
+ .uart1_data = {.phys = ZEUS_ADDR(0x281818)},
+ .uart1_status = {.phys = ZEUS_ADDR(0x28181C)},
- .int_stat_3 = 0x282800,
- .int_stat_2 = 0x282804,
- .int_stat_1 = 0x282808,
- .int_stat_0 = 0x28280c,
- .int_config = 0x282810,
- .int_int_scan = 0x282818,
- .ien_int_3 = 0x282830,
- .ien_int_2 = 0x282834,
- .ien_int_1 = 0x282838,
- .ien_int_0 = 0x28283c,
- .int_level_3_3 = 0x282880,
- .int_level_3_2 = 0x282884,
- .int_level_3_1 = 0x282888,
- .int_level_3_0 = 0x28288c,
- .int_level_2_3 = 0x282890,
- .int_level_2_2 = 0x282894,
- .int_level_2_1 = 0x282898,
- .int_level_2_0 = 0x28289c,
- .int_level_1_3 = 0x2828a0,
- .int_level_1_2 = 0x2828a4,
- .int_level_1_1 = 0x2828a8,
- .int_level_1_0 = 0x2828ac,
- .int_level_0_3 = 0x2828b0,
- .int_level_0_2 = 0x2828b4,
- .int_level_0_1 = 0x2828b8,
- .int_level_0_0 = 0x2828bc,
- .int_docsis_en = 0x2828F4,
+ .int_stat_3 = {.phys = ZEUS_ADDR(0x282800)},
+ .int_stat_2 = {.phys = ZEUS_ADDR(0x282804)},
+ .int_stat_1 = {.phys = ZEUS_ADDR(0x282808)},
+ .int_stat_0 = {.phys = ZEUS_ADDR(0x28280c)},
+ .int_config = {.phys = ZEUS_ADDR(0x282810)},
+ .int_int_scan = {.phys = ZEUS_ADDR(0x282818)},
+ .ien_int_3 = {.phys = ZEUS_ADDR(0x282830)},
+ .ien_int_2 = {.phys = ZEUS_ADDR(0x282834)},
+ .ien_int_1 = {.phys = ZEUS_ADDR(0x282838)},
+ .ien_int_0 = {.phys = ZEUS_ADDR(0x28283c)},
+ .int_level_3_3 = {.phys = ZEUS_ADDR(0x282880)},
+ .int_level_3_2 = {.phys = ZEUS_ADDR(0x282884)},
+ .int_level_3_1 = {.phys = ZEUS_ADDR(0x282888)},
+ .int_level_3_0 = {.phys = ZEUS_ADDR(0x28288c)},
+ .int_level_2_3 = {.phys = ZEUS_ADDR(0x282890)},
+ .int_level_2_2 = {.phys = ZEUS_ADDR(0x282894)},
+ .int_level_2_1 = {.phys = ZEUS_ADDR(0x282898)},
+ .int_level_2_0 = {.phys = ZEUS_ADDR(0x28289c)},
+ .int_level_1_3 = {.phys = ZEUS_ADDR(0x2828a0)},
+ .int_level_1_2 = {.phys = ZEUS_ADDR(0x2828a4)},
+ .int_level_1_1 = {.phys = ZEUS_ADDR(0x2828a8)},
+ .int_level_1_0 = {.phys = ZEUS_ADDR(0x2828ac)},
+ .int_level_0_3 = {.phys = ZEUS_ADDR(0x2828b0)},
+ .int_level_0_2 = {.phys = ZEUS_ADDR(0x2828b4)},
+ .int_level_0_1 = {.phys = ZEUS_ADDR(0x2828b8)},
+ .int_level_0_0 = {.phys = ZEUS_ADDR(0x2828bc)},
+ .int_docsis_en = {.phys = ZEUS_ADDR(0x2828F4)},
- .mips_pll_setup = 0x1a0000,
- .usb_fs = 0x1a0018,
- .test_bus = 0x1a0238,
- .crt_spare = 0x1a0090,
- .usb2_ohci_int_mask = 0x1e000c,
- .usb2_strap = 0x1e0014,
- .ehci_hcapbase = 0x1FFE00,
- .ohci_hc_revision = 0x1FFC00,
- .bcm1_bs_lmi_steer = 0x2C0008,
- .usb2_control = 0x2c01a0,
- .usb2_stbus_obc = 0x1FFF00,
- .usb2_stbus_mess_size = 0x1FFF04,
- .usb2_stbus_chunk_size = 0x1FFF08,
+ .mips_pll_setup = {.phys = ZEUS_ADDR(0x1a0000)},
+ .usb_fs = {.phys = ZEUS_ADDR(0x1a0018)},
+ .test_bus = {.phys = ZEUS_ADDR(0x1a0238)},
+ .crt_spare = {.phys = ZEUS_ADDR(0x1a0090)},
+ .usb2_ohci_int_mask = {.phys = ZEUS_ADDR(0x1e000c)},
+ .usb2_strap = {.phys = ZEUS_ADDR(0x1e0014)},
+ .ehci_hcapbase = {.phys = ZEUS_ADDR(0x1FFE00)},
+ .ohci_hc_revision = {.phys = ZEUS_ADDR(0x1FFC00)},
+ .bcm1_bs_lmi_steer = {.phys = ZEUS_ADDR(0x2C0008)},
+ .usb2_control = {.phys = ZEUS_ADDR(0x2c01a0)},
+ .usb2_stbus_obc = {.phys = ZEUS_ADDR(0x1FFF00)},
+ .usb2_stbus_mess_size = {.phys = ZEUS_ADDR(0x1FFF04)},
+ .usb2_stbus_chunk_size = {.phys = ZEUS_ADDR(0x1FFF08)},
- .pcie_regs = 0x200000,
- .tim_ch = 0x282C10,
- .tim_cl = 0x282C14,
- .gpio_dout = 0x282c20,
- .gpio_din = 0x282c24,
- .gpio_dir = 0x282c2C,
- .watchdog = 0x282c30,
- .front_panel = 0x283800,
+ .pcie_regs = {.phys = ZEUS_ADDR(0x200000)},
+ .tim_ch = {.phys = ZEUS_ADDR(0x282C10)},
+ .tim_cl = {.phys = ZEUS_ADDR(0x282C14)},
+ .gpio_dout = {.phys = ZEUS_ADDR(0x282c20)},
+ .gpio_din = {.phys = ZEUS_ADDR(0x282c24)},
+ .gpio_dir = {.phys = ZEUS_ADDR(0x282c2C)},
+ .watchdog = {.phys = ZEUS_ADDR(0x282c30)},
+ .front_panel = {.phys = ZEUS_ADDR(0x283800)},
};