.globl platformsetup
platformsetup:
- /*
- * Configure 1510 pins functions to match our board.
- */
- ldr r0, REG_PULL_DWN_CTRL_0
- ldr r1, VAL_PULL_DWN_CTRL_0
- str r1, [r0]
- ldr r0, REG_PULL_DWN_CTRL_1
- ldr r1, VAL_PULL_DWN_CTRL_1
- str r1, [r0]
- ldr r0, REG_PULL_DWN_CTRL_2
- ldr r1, VAL_PULL_DWN_CTRL_2
- str r1, [r0]
- ldr r0, REG_PULL_DWN_CTRL_3
- ldr r1, VAL_PULL_DWN_CTRL_3
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_4
- ldr r1, VAL_FUNC_MUX_CTRL_4
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_5
- ldr r1, VAL_FUNC_MUX_CTRL_5
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_6
- ldr r1, VAL_FUNC_MUX_CTRL_6
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_7
- ldr r1, VAL_FUNC_MUX_CTRL_7
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_8
- ldr r1, VAL_FUNC_MUX_CTRL_8
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_9
- ldr r1, VAL_FUNC_MUX_CTRL_9
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_A
- ldr r1, VAL_FUNC_MUX_CTRL_A
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_B
- ldr r1, VAL_FUNC_MUX_CTRL_B
- str r1, [r0]
- ldr r0, REG_FUNC_MUX_CTRL_C
- ldr r1, VAL_FUNC_MUX_CTRL_C
- str r1, [r0]
- ldr r0, REG_VOLTAGE_CTRL_0
- ldr r1, VAL_VOLTAGE_CTRL_0
- str r1, [r0]
- ldr r0, REG_TEST_DBG_CTRL_0
- ldr r1, VAL_TEST_DBG_CTRL_0
- str r1, [r0]
- ldr r0, REG_MOD_CONF_CTRL_0
- ldr r1, VAL_MOD_CONF_CTRL_0
- str r1, [r0]
+ /*
+ * Configure 1510 pins functions to match our board.
+ */
+ ldr r0, REG_PULL_DWN_CTRL_0
+ ldr r1, VAL_PULL_DWN_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_1
+ ldr r1, VAL_PULL_DWN_CTRL_1
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_2
+ ldr r1, VAL_PULL_DWN_CTRL_2
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_3
+ ldr r1, VAL_PULL_DWN_CTRL_3
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_4
+ ldr r1, VAL_FUNC_MUX_CTRL_4
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_5
+ ldr r1, VAL_FUNC_MUX_CTRL_5
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_6
+ ldr r1, VAL_FUNC_MUX_CTRL_6
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_7
+ ldr r1, VAL_FUNC_MUX_CTRL_7
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_8
+ ldr r1, VAL_FUNC_MUX_CTRL_8
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_9
+ ldr r1, VAL_FUNC_MUX_CTRL_9
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_A
+ ldr r1, VAL_FUNC_MUX_CTRL_A
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_B
+ ldr r1, VAL_FUNC_MUX_CTRL_B
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_C
+ ldr r1, VAL_FUNC_MUX_CTRL_C
+ str r1, [r0]
+ ldr r0, REG_VOLTAGE_CTRL_0
+ ldr r1, VAL_VOLTAGE_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_TEST_DBG_CTRL_0
+ ldr r1, VAL_TEST_DBG_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_MOD_CONF_CTRL_0
+ ldr r1, VAL_MOD_CONF_CTRL_0
+ str r1, [r0]
- /* Move to 1510 mode */
- ldr r0, REG_COMP_MODE_CTRL_0
- ldr r1, VAL_COMP_MODE_CTRL_0
- str r1, [r0]
+ /* Move to 1510 mode */
+ ldr r0, REG_COMP_MODE_CTRL_0
+ ldr r1, VAL_COMP_MODE_CTRL_0
+ str r1, [r0]
- /* Set up Traffic Ctlr*/
- ldr r0, REG_TC_IMIF_PRIO
- mov r1, #0x0
- str r1, [r0]
- ldr r0, REG_TC_EMIFS_PRIO
- str r1, [r0]
- ldr r0, REG_TC_EMIFF_PRIO
- str r1, [r0]
+ /* Set up Traffic Ctlr*/
+ ldr r0, REG_TC_IMIF_PRIO
+ mov r1, #0x0
+ str r1, [r0]
+ ldr r0, REG_TC_EMIFS_PRIO
+ str r1, [r0]
+ ldr r0, REG_TC_EMIFF_PRIO
+ str r1, [r0]
- ldr r0, REG_TC_EMIFS_CONFIG
- ldr r1, [r0]
- bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */
- bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */
- str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */
+ ldr r0, REG_TC_EMIFS_CONFIG
+ ldr r1, [r0]
+ bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */
+ bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */
+ str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */
- /* Setup some clock domains */
- ldr r1, =OMAP1510_CLKS
- ldr r0, REG_ARM_IDLECT2
- strh r1, [r0] /* CLKM, Clock domain control. */
+ /* Setup some clock domains */
+ ldr r1, =OMAP1510_CLKS
+ ldr r0, REG_ARM_IDLECT2
+ strh r1, [r0] /* CLKM, Clock domain control. */
- mov r1, #0x01 /* PER_EN bit */
- ldr r0, REG_ARM_RSTCT2
- strh r1, [r0] /* CLKM; Peripheral reset. */
+ mov r1, #0x01 /* PER_EN bit */
+ ldr r0, REG_ARM_RSTCT2
+ strh r1, [r0] /* CLKM; Peripheral reset. */
- /* Set CLKM to Sync-Scalable */
- /* I supposidly need to enable the dsp clock before switching */
- mov r1, #0x1000
- ldr r0, REG_ARM_SYSST
- strh r1, [r0]
- mov r0, #0x400
+ /* Set CLKM to Sync-Scalable */
+ /* I supposidly need to enable the dsp clock before switching */
+ mov r1, #0x1000
+ ldr r0, REG_ARM_SYSST
+ strh r1, [r0]
+ mov r0, #0x400
1:
- subs r0, r0, #0x1 /* wait for any bubbles to finish */
- bne 1b
+ subs r0, r0, #0x1 /* wait for any bubbles to finish */
+ bne 1b
- ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */
- ldr r0, REG_ARM_CKCTL
- strh r1, [r0]
+ ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */
+ ldr r0, REG_ARM_CKCTL
+ strh r1, [r0]
- /* setup DPLL 1 */
- ldr r1, VAL_DPLL1_CTL
- ldr r0, REG_DPLL1_CTL
- strh r1, [r0]
- ands r1, r1, #0x10 /* Check if PLL is enabled. */
- beq lock_end /* Do not look for lock if BYPASS selected */
+ /* setup DPLL 1 */
+ ldr r1, VAL_DPLL1_CTL
+ ldr r0, REG_DPLL1_CTL
+ strh r1, [r0]
+ ands r1, r1, #0x10 /* Check if PLL is enabled. */
+ beq lock_end /* Do not look for lock if BYPASS selected */
2:
- ldrh r1, [r0]
- ands r1, r1, #0x01 /* Check the LOCK bit. */
- beq 2b /* ...loop until bit goes hi. */
+ ldrh r1, [r0]
+ ands r1, r1, #0x01 /* Check the LOCK bit. */
+ beq 2b /* ...loop until bit goes hi. */
lock_end:
- /* Set memory timings corresponding to the new clock speed */
+ /* Set memory timings corresponding to the new clock speed */
- /* Check execution location to determine current execution location
- * and branch to appropriate initialization code.
- */
- mov r0, #0x10000000 /* Load physical SDRAM base. */
- mov r1, pc /* Get current execution location. */
- cmp r1, r0 /* Compare. */
- bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */
+ /* Check execution location to determine current execution location
+ * and branch to appropriate initialization code.
+ */
+ mov r0, #0x10000000 /* Load physical SDRAM base. */
+ mov r1, pc /* Get current execution location. */
+ cmp r1, r0 /* Compare. */
+ bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */
- /*
- * Delay for SDRAM initialization.
- */
- mov r3, #0x1800 /* value should be checked */
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800 /* value should be checked */
3:
- subs r3, r3, #0x1 /* Decrement count */
- bne 3b
+ subs r3, r3, #0x1 /* Decrement count */
+ bne 3b
- /*
- * Set SDRAM control values. Disable refresh before MRS command.
- */
- ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */
- bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */
- orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */
- orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */
- ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
- str r3, [r2] /* Store the passed value with AR disabled. */
+ /*
+ * Set SDRAM control values. Disable refresh before MRS command.
+ */
+ ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */
+ bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */
+ orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */
+ orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */
+ ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
+ str r3, [r2] /* Store the passed value with AR disabled. */
- ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */
- ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */
- str r1, [r2] /* Store the passed value.*/
+ ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */
+ ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */
+ str r1, [r2] /* Store the passed value.*/
- ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
- str r0, [r2] /* Store the passed value. */
+ ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
+ str r0, [r2] /* Store the passed value. */
- /*
- * Delay for SDRAM initialization.
- */
- mov r3, #0x1800
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800
4:
- subs r3, r3, #1 /* Decrement count. */
- bne 4b
+ subs r3, r3, #1 /* Decrement count. */
+ bne 4b
skip_sdram:
- /* slow interface */
- ldr r1, VAL_TC_EMIFS_CS0_CONFIG
- ldr r0, REG_TC_EMIFS_CS0_CONFIG
- str r1, [r0] /* Chip Select 0 */
- ldr r1, VAL_TC_EMIFS_CS1_CONFIG
- ldr r0, REG_TC_EMIFS_CS1_CONFIG
- str r1, [r0] /* Chip Select 1 */
- ldr r1, VAL_TC_EMIFS_CS2_CONFIG
- ldr r0, REG_TC_EMIFS_CS2_CONFIG
- str r1, [r0] /* Chip Select 2 */
- ldr r1, VAL_TC_EMIFS_CS3_CONFIG
- ldr r0, REG_TC_EMIFS_CS3_CONFIG
- str r1, [r0] /* Chip Select 3 */
+ /* slow interface */
+ ldr r1, VAL_TC_EMIFS_CS0_CONFIG
+ ldr r0, REG_TC_EMIFS_CS0_CONFIG
+ str r1, [r0] /* Chip Select 0 */
+ ldr r1, VAL_TC_EMIFS_CS1_CONFIG
+ ldr r0, REG_TC_EMIFS_CS1_CONFIG
+ str r1, [r0] /* Chip Select 1 */
+ ldr r1, VAL_TC_EMIFS_CS2_CONFIG
+ ldr r0, REG_TC_EMIFS_CS2_CONFIG
+ str r1, [r0] /* Chip Select 2 */
+ ldr r1, VAL_TC_EMIFS_CS3_CONFIG
+ ldr r0, REG_TC_EMIFS_CS3_CONFIG
+ str r1, [r0] /* Chip Select 3 */
/* Next, Enable the RS232 Line Drivers in the FPGA. */
/* Also, power on the audio CODEC's amplifier here, */
/* Also, disable the CODEC's clocks. */
/* omap1510-HelenP1 [specific] */
- ldr r0, REG_FPGA_POWER
- mov r1, #0
- ldr r2, REG_FPGA_DIP_SWITCH
- ldrb r3, [r2]
- cmp r3, #0x8
- movne r1, #0x62 /* Enable the RS232 Line Drivers in the EPLD */
- strb r1, [r0]
- ldr r0, REG_FPGA_AUDIO
- mov r1, #0x0 /* Disable sound driver (CODEC clocks) */
- strb r1, [r0]
+ ldr r0, REG_FPGA_POWER
+ mov r1, #0
+ ldr r2, REG_FPGA_DIP_SWITCH
+ ldrb r3, [r2]
+ cmp r3, #0x8
+ movne r1, #0x62 /* Enable the RS232 Line Drivers in the EPLD */
+ strb r1, [r0]
+ ldr r0, REG_FPGA_AUDIO
+ mov r1, #0x0 /* Disable sound driver (CODEC clocks) */
+ strb r1, [r0]
- /* back to arch calling code */
+ /* back to arch calling code */
mov pc, lr
/* the literal pools origin */
- .ltorg
+ .ltorg
/* OMAP configuration registers */
REG_FUNC_MUX_CTRL_0: /* 32 bits */
REG_TC_EMIFS_CONFIG: /* 32 bits */
.word 0xfffecc0c
REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */
- .word 0xfffecc10
+ .word 0xfffecc10
REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */
- .word 0xfffecc14
+ .word 0xfffecc14
REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */
- .word 0xfffecc18
+ .word 0xfffecc18
REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */
- .word 0xfffecc1c
+ .word 0xfffecc1c
REG_TC_EMIFF_SDRAM_CONFIG: /* 32 bits */
.word 0xfffecc20
REG_TC_EMIFF_MRS: /* 32 bits */
REG_ARM_CKCTL: /* 16 bits */
.word 0xfffece00
REG_ARM_IDLECT2: /* 16 bits */
- .word 0xfffece08
+ .word 0xfffece08
REG_ARM_RSTCT2: /* 16 bits */
- .word 0xfffece14
+ .word 0xfffece14
REG_ARM_SYSST: /* 16 bits */
- .word 0xfffece18
+ .word 0xfffece18
/* DPLL control registers */
REG_DPLL1_CTL: /* 16 bits */
.word 0xfffecf00
/* identification code register */
REG_IDCODE: /* 32 bits */
- .word 0xfffed404
+ .word 0xfffed404
/* Innovator specific */
REG_FPGA_LED_DIGIT: /* 8 bits (not used on Innovator) */
- .word 0x08000003
+ .word 0x08000003
REG_FPGA_POWER: /* 8 bits */
- .word 0x08000005
+ .word 0x08000005
REG_FPGA_AUDIO: /* 8 bits (not used on Innovator) */
.word 0x0800000c
REG_FPGA_DIP_SWITCH: /* 8 bits (not used on Innovator) */
- .word 0x0800000e
+ .word 0x0800000e
VAL_COMP_MODE_CTRL_0:
.word 0x0000eaef
.word 0x00000007
VAL_TEST_DBG_CTRL_0:
/* See Errata 4.13, This works around a SRAM bug, for chips below ES2.5 .
- * This slows down internal SRAM accesses.
- */
+ * This slows down internal SRAM accesses.
+ */
.word 0x00000007
VAL_MOD_CONF_CTRL_0:
.word 0x0b000008
projects / karo-tx-uboot.git / blobdiff