diff options
Diffstat (limited to 'board/netstar/setup.S')
| -rw-r--r-- | board/netstar/setup.S | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/board/netstar/setup.S b/board/netstar/setup.S deleted file mode 100644 index 72e1811..0000000 --- a/board/netstar/setup.S +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2004 Ales Jindra <jindra@2n.cz> - * (C) Copyright 2005 Ladislav Michl <michl@2n.cz> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <version.h> - -_TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE /* SDRAM load addr from config.mk */ - -OMAP5910_LPG1_BASE: .word 0xfffbd000 -OMAP5910_TIPB_SWITCHES_BASE: .word 0xfffbc800 -OMAP5910_MPU_TC_BASE: .word 0xfffecc00 -OMAP5910_MPU_CLKM_BASE: .word 0xfffece00 -OMAP5910_ULPD_PWR_MNG_BASE: .word 0xfffe0800 -OMAP5910_DPLL1_BASE: .word 0xfffecf00 -OMAP5910_GPIO_BASE: .word 0xfffce000 -OMAP5910_MPU_WD_TIMER_BASE: .word 0xfffec800 -OMAP5910_MPUI_BASE: .word 0xfffec900 - -_OMAP5910_ARM_CKCTL: .word OMAP5910_ARM_CKCTL -_OMAP5910_ARM_EN_CLK: .word OMAP5910_ARM_EN_CLK - -OMAP5910_MPUI_CTRL: .word 0x0000ff1b - -VAL_EMIFS_CS0_CONFIG: .word 0x00009090 -VAL_EMIFS_CS1_CONFIG: .word 0x00003031 -VAL_EMIFS_CS2_CONFIG: .word 0x0000a0a1 -VAL_EMIFS_CS3_CONFIG: .word 0x0000c0c0 -VAL_EMIFS_DYN_WAIT: .word 0x00000000 -/* autorefresh counter 0x246 ((64000000/13.4)-400)/8192) */ - /* SLRF SD_RET ARE SDRAM_TYPE ARCV SDRAM_FREQUENCY PWD CLK */ - -#if (PHYS_SDRAM_1_SIZE == SZ_32M) -VAL_EMIFF_SDRAM_CONFIG: .word ((0 << 0) | (0 << 1) | (3 << 2) | (0xf << 4) | (0x246 << 8) | (0 << 24) | (0 << 26) | (0 << 27)) -#else -VAL_EMIFF_SDRAM_CONFIG: .word ((0 << 0) | (0 << 1) | (3 << 2) | (0xd << 4) | (0x246 << 8) | (0 << 24) | (0 << 26) | (0 << 27)) -#endif - -VAL_EMIFF_SDRAM_CONFIG2: .word 0x00000003 -VAL_EMIFF_MRS: .word 0x00000037 - -/* - * GPIO04 - Green LED (Red LED is connected to LED Pulse Generator) - * GPIO07 - LAN91C111 reset - */ -GPIO_DIRECTION: - .word 0x0000ff6f -/* - * Disable everything (green LED is connected via invertor) - */ -GPIO_OUTPUT: - .word 0x00000010 - -MUX_CONFIG_BASE: - .word 0xfffe1000 - -MUX_CONFIG_VALUES: - .align 4 - .word 0x00000000 @ FUNC_MUX_CTRL_0 - .word 0x00000000 @ FUNC_MUX_CTRL_1 - .word 0x00000000 @ FUNC_MUX_CTRL_2 - .word 0x00000000 @ FUNC_MUX_CTRL_3 - .word 0x00000000 @ FUNC_MUX_CTRL_4 - .word 0x02080480 @ FUNC_MUX_CTRL_5 - .word 0x0100001c @ FUNC_MUX_CTRL_6 - .word 0x0004800b @ FUNC_MUX_CTRL_7 - .word 0x10001200 @ FUNC_MUX_CTRL_8 - .word 0x01201012 @ FUNC_MUX_CTRL_9 - .word 0x02082248 @ FUNC_MUX_CTRL_A - .word 0x00000248 @ FUNC_MUX_CTRL_B - .word 0x12240000 @ FUNC_MUX_CTRL_C - .word 0x00002000 @ FUNC_MUX_CTRL_D - .word 0x00000000 @ PULL_DWN_CTRL_0 - .word 0x00000800 @ PULL_DWN_CTRL_1 - .word 0x01801000 @ PULL_DWN_CTRL_2 - .word 0x00000000 @ PULL_DWN_CTRL_3 - .word 0x00000000 @ GATE_INH_CTRL_0 - .word 0x00000000 @ VOLTAGE_CTRL_0 - .word 0x00000000 @ TEST_DBG_CTRL_0 - .word 0x00000006 @ MOD_CONF_CTRL_0 - .word 0x0000eaef @ COMP_MODE_CTRL_0 - -MUX_CONFIG_OFFSETS: - .align 1 - .byte 0x00 @ FUNC_MUX_CTRL_0 - .byte 0x04 @ FUNC_MUX_CTRL_1 - .byte 0x08 @ FUNC_MUX_CTRL_2 - .byte 0x10 @ FUNC_MUX_CTRL_3 - .byte 0x14 @ FUNC_MUX_CTRL_4 - .byte 0x18 @ FUNC_MUX_CTRL_5 - .byte 0x1c @ FUNC_MUX_CTRL_6 - .byte 0x20 @ FUNC_MUX_CTRL_7 - .byte 0x24 @ FUNC_MUX_CTRL_8 - .byte 0x28 @ FUNC_MUX_CTRL_9 - .byte 0x2c @ FUNC_MUX_CTRL_A - .byte 0x30 @ FUNC_MUX_CTRL_B - .byte 0x34 @ FUNC_MUX_CTRL_C - .byte 0x38 @ FUNC_MUX_CTRL_D - .byte 0x40 @ PULL_DWN_CTRL_0 - .byte 0x44 @ PULL_DWN_CTRL_1 - .byte 0x48 @ PULL_DWN_CTRL_2 - .byte 0x4c @ PULL_DWN_CTRL_3 - .byte 0x50 @ GATE_INH_CTRL_0 - .byte 0x60 @ VOLTAGE_CTRL_0 - .byte 0x70 @ TEST_DBG_CTRL_0 - .byte 0x80 @ MOD_CONF_CTRL_0 - .byte 0x0c @ COMP_MODE_CTRL_0 - .byte 0xff - -.globl lowlevel_init -lowlevel_init: - /* Improve performance a bit... */ - mrc p15, 0, r1, c0, c0, 0 @ read C15 ID register - mrc p15, 0, r1, c0, c0, 1 @ read C15 Cache information register - mrc p15, 0, r1, c1, c0, 0 @ read C15 Control register - orr r1, r1, #0x1000 @ enable I-cache, map interrupt vector 0xffff0000 - mcr p15, 0, r1, c1, c0, 0 @ write C15 Control register - mov r1, #0x00 - mcr p15, 0, r1, c7, c5, 0 @ Flush I-cache - nop - nop - nop - nop - - /* Setup clocking mode */ - ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit - ldrh r1, [r0, #0x18] @ ARM_SYST - get reset status - bic r1, r1, #(7 << 11) @ clear clock select - orr r1, r1, #(2 << 11) @ set synchronous scalable - mov r2, #0 -loop: - cmp r2, #1 @ this loop will wait for at least 100 cycles - streqh r1, [r0, #0x18] @ before issuing next request from MPU - add r2, r2, #1 @ on the 1st run code is loaded into I-cache - cmp r2, #16 @ and second run will set clocking mode - bne loop - nop - - /* Setup clock dividers */ - ldr r1, _OMAP5910_ARM_CKCTL - orr r1, r1, #0x2000 @ enable DSP clock - strh r1, [r0] @ setup clock divisors - - /* Setup DPLL to generate requested freq */ - ldr r0, OMAP5910_DPLL1_BASE @ base of DPLL1 register - mov r1, #0x0010 @ set PLL_ENABLE - orr r1, r1, #0x2000 @ set IOB to new locking - orr r1, r1, #(OMAP5910_DPLL_MUL << 7) @ setup multiplier CLKREF - orr r1, r1, #(OMAP5910_DPLL_DIV << 5) @ setup divider CLKREF - strh r1, [r0] @ write - -locking: - ldrh r1, [r0] @ get DPLL value - tst r1, #0x01 - beq locking @ while LOCK not set - - /* Enable clock */ - ldr r0, OMAP5910_MPU_CLKM_BASE @ base of CLOCK unit - mov r1, #(1 << 10) @ disable idle mode do not check - @ nWAKEUP pin, other remain active - strh r1, [r0, #0x04] - ldr r1, _OMAP5910_ARM_EN_CLK - strh r1, [r0, #0x08] - mov r1, #0x003f @ FLASH.RP not enabled in idle and - strh r1, [r0, #0x0c] @ max delayed ( 32 x CLKIN ) - - /* Configure 5910 pins functions to match our board. */ - ldr r0, MUX_CONFIG_BASE - adr r1, MUX_CONFIG_VALUES - adr r2, MUX_CONFIG_OFFSETS -next_mux_cfg: - ldrb r3, [r2], #1 - ldr r4, [r1], #4 - cmp r3, #0xff - strne r4, [r0, r3] - bne next_mux_cfg - - /* Configure GPIO pins (also disables Green LED) */ - ldr r0, OMAP5910_GPIO_BASE - ldr r1, GPIO_OUTPUT - strh r1, [r0, #0x04] - ldr r1, GPIO_DIRECTION - strh r1, [r0, #0x08] - - /* EnablePeripherals */ - ldr r0, OMAP5910_MPU_CLKM_BASE @ CLOCK unit - mov r1, #0x0001 @ Peripheral enable - strh r1, [r0, #0x14] - - /* Program LED Pulse Generator */ - ldr r0, OMAP5910_LPG1_BASE @ 1st LED Pulse Generator - mov r1, #0x7F @ Set obscure frequency in - strb r1, [r0, #0x00] @ LCR - mov r1, #0x01 @ Enable clock (CLK_EN) in - strb r1, [r0, #0x04] @ PMR - - /* TIPB Lock UART1 */ - ldr r0, OMAP5910_TIPB_SWITCHES_BASE @ prepare base of TIPB switches - mov r1, #1 @ ARM allocated - strh r1, [r0,#0x04] @ clear IRQ line and status bits - strh r1, [r0,#0x00] - ldrh r1, [r0,#0x04] - - /* Disable watchdog */ - ldr r0, OMAP5910_MPU_WD_TIMER_BASE - mov r1, #0xf5 - strh r1, [r0, #0x8] - mov r1, #0xa0 - strh r1, [r0, #0x8] - - /* Enable MCLK */ - ldr r0, OMAP5910_ULPD_PWR_MNG_BASE - mov r1, #0x6 - strh r1, [r0, #0x34] - strh r1, [r0, #0x34] - - /* Setup clock divisors */ - ldr r0, OMAP5910_ULPD_PWR_MNG_BASE @ base of ULDPL DPLL1 register - - mov r1, #0x0010 @ set PLL_ENABLE - orr r1, r1, #0x2000 @ set IOB to new locking - strh r1, [r0] @ write - -ulocking: - ldrh r1, [r0] @ get DPLL value - tst r1, #1 - beq ulocking @ while LOCK not set - - /* EMIF init */ - ldr r0, OMAP5910_MPU_TC_BASE - ldrh r1, [r0, #0x0c] @ EMIFS_CONFIG_REG - bic r1, r1, #0x0c @ pwr down disabled, flash WP - orr r1, r1, #0x01 - str r1, [r0, #0x0c] - - ldr r1, VAL_EMIFS_CS0_CONFIG - str r1, [r0, #0x10] @ EMIFS_CS0_CONFIG - ldr r1, VAL_EMIFS_CS1_CONFIG - str r1, [r0, #0x14] @ EMIFS_CS1_CONFIG - ldr r1, VAL_EMIFS_CS2_CONFIG - str r1, [r0, #0x18] @ EMIFS_CS2_CONFIG - ldr r1, VAL_EMIFS_CS3_CONFIG - str r1, [r0, #0x1c] @ EMIFS_CS3_CONFIG - ldr r1, VAL_EMIFS_DYN_WAIT - str r1, [r0, #0x40] @ EMIFS_CFG_DYN_WAIT - - /* Setup SDRAM */ - ldr r1, VAL_EMIFF_SDRAM_CONFIG - str r1, [r0, #0x20] @ EMIFF_SDRAM_CONFIG - ldr r1, VAL_EMIFF_SDRAM_CONFIG2 - str r1, [r0, #0x3c] @ EMIFF_SDRAM_CONFIG2 - ldr r1, VAL_EMIFF_MRS - str r1, [r0, #0x24] @ EMIFF_MRS - /* SDRAM needs 100us to stabilize */ - mov r0, #0x4000 -sdelay: - subs r0, r0, #0x1 - bne sdelay - - /* back to arch calling code */ - mov pc, lr -.end |