diff options
Diffstat (limited to 'board/samsung')
| -rw-r--r-- | board/samsung/goni/lowlevel_init.S | 120 | ||||
| -rw-r--r-- | board/samsung/smdkc100/lowlevel_init.S | 42 |
2 files changed, 0 insertions, 162 deletions
diff --git a/board/samsung/goni/lowlevel_init.S b/board/samsung/goni/lowlevel_init.S index 30a5835..1effc9c 100644 --- a/board/samsung/goni/lowlevel_init.S +++ b/board/samsung/goni/lowlevel_init.S @@ -79,11 +79,7 @@ skip_check_didle: str r1, [r0, #0x0] @ GPIO_CON_OFFSET ldr r1, [r0, #0x4] @ GPIO_DAT_OFFSET -#ifdef CONFIG_ONENAND_IPL - orr r1, r1, #(1 << 1) @ 1 * 1-bit -#else bic r1, r1, #(1 << 1) -#endif str r1, [r0, #0x4] @ GPIO_DAT_OFFSET /* Don't setup at s5pc100 */ @@ -182,7 +178,6 @@ skip_check_didle: /* Do not release retention here for S5PC110 */ streq r1, [r0] -#ifndef CONFIG_ONENAND_IPL /* Disable Watchdog */ ldreq r0, =S5PC100_WATCHDOG_BASE @ 0xEA200000 ldrne r0, =S5PC110_WATCHDOG_BASE @ 0xE2700000 @@ -193,7 +188,6 @@ skip_check_didle: ldrne r0, =S5PC110_SROMC_BASE ldr r1, =0x9 str r1, [r0] -#endif /* S5PC100 has 3 groups of interrupt sources */ ldreq r0, =S5PC100_VIC0_BASE @ 0xE4000000 @@ -207,7 +201,6 @@ skip_check_didle: str r3, [r1, #0x14] @ INTENCLEAR str r3, [r2, #0x14] @ INTENCLEAR -#ifndef CONFIG_ONENAND_IPL /* Set all interrupts as IRQ */ str r5, [r0, #0xc] @ INTSELECT str r5, [r1, #0xc] @ INTSELECT @@ -217,120 +210,12 @@ skip_check_didle: str r5, [r0, #0xf00] @ INTADDRESS str r5, [r1, #0xf00] @ INTADDRESS str r5, [r2, #0xf00] @ INTADDRESS -#endif -#ifndef CONFIG_ONENAND_IPL /* for UART */ bl uart_asm_init bl internal_ram_init -#endif - -#ifdef CONFIG_ONENAND_IPL - /* init system clock */ - bl system_clock_init - - /* OneNAND Sync Read Support at S5PC110 only - * RM[15] : Sync Read - * BRWL[14:12] : 7 CLK - * BL[11:9] : Continuous - * VHF[3] : Very High Frequency Enable (Over 83MHz) - * HF[2] : High Frequency Enable (Over 66MHz) - * WM[1] : Sync Write - */ - cmp r7, r8 - ldrne r1, =0xE006 - ldrne r0, =0xB001E442 - strneh r1, [r0] - - /* - * GCE[26] : Gated Clock Enable - * RPE[17] : Enables Read Prefetch - */ - ldrne r1, =((1 << 26) | (1 << 17) | 0xE006) - ldrne r0, =0xB0600000 - strne r1, [r0, #0x100] @ ONENAND_IF_CTRL - ldrne r1, =0x1212 - strne r1, [r0, #0x108] - - /* Board detection to set proper memory configuration */ - cmp r7, r8 - moveq r9, #1 /* r9 has 1Gib default at s5pc100 */ - movne r9, #2 /* r9 has 2Gib default at s5pc110 */ - - ldr r2, =0xE0200200 - ldr r4, [r2, #0x48] - - bic r1, r4, #(0x3F << 4) /* PULLUP_DISABLE: 3 * 2-bit */ - bic r1, r1, #(0x3 << 2) /* PULLUP_DISABLE: 2 * 2-bit */ - bic r1, r1, #(0x3 << 14) /* PULLUP_DISABLE: 2 * 2-bit */ - str r1, [r2, #0x48] - /* For write completion */ - nop - nop - - ldr r3, [r2, #0x44] - and r1, r3, #(0x7 << 2) - mov r1, r1, lsr #2 - cmp r1, #0x5 - moveq r9, #3 - cmp r1, #0x6 - moveq r9, #1 - cmp r1, #0x7 - moveq r9, #2 - and r0, r3, #(0x1 << 1) - mov r0, r0, lsr #1 - orr r1, r1, r0, lsl #3 - cmp r1, #0x8 - moveq r9, #3 - and r1, r3, #(0x7 << 2) - mov r1, r1, lsr #2 - and r0, r3, #(0x1 << 7) - mov r0, r0, lsr #7 - orr r1, r1, r0, lsl #3 - cmp r1, #0x9 - moveq r9, #3 - str r4, [r2, #0x48] /* Restore PULLUP configuration */ - - bl mem_ctrl_asm_init - - /* Wakeup support. Don't know if it's going to be used, untested. */ - ldreq r0, =S5PC100_RST_STAT - ldrne r0, =S5PC110_RST_STAT - ldr r1, [r0] - biceq r1, r1, #0xfffffff7 - moveq r2, #(1 << 3) - bicne r1, r1, #0xfffeffff - movne r2, #(1 << 16) - cmp r1, r2 - bne 1f -wakeup: - /* turn off L2 cache */ - bl l2_cache_disable - - cmp r7, r8 - ldreq r0, =0xC100 - ldrne r0, =0xC110 - - /* invalidate L2 cache also */ - bl invalidate_dcache - - /* turn on L2 cache */ - bl l2_cache_enable - - cmp r7, r8 - /* Load return address and jump to kernel */ - ldreq r0, =S5PC100_INFORM0 - ldrne r0, =S5PC110_INFORM0 - - /* r1 = physical address of s5pc1xx_cpu_resume function */ - ldr r1, [r0] - /* Jump to kernel (sleep-s5pc1xx.S) */ - mov pc, r1 - nop - nop -#else cmp r7, r8 /* Clear wakeup status register */ ldreq r0, =S5PC100_WAKEUP_STAT @@ -347,7 +232,6 @@ wakeup: orr r1, r1, r2 str r1, [r0] -#endif b 1f didle_wakeup: @@ -517,7 +401,6 @@ system_clock_init: mov pc, lr -#ifndef CONFIG_ONENAND_IPL internal_ram_init: ldreq r0, =0xE3800000 ldrne r0, =0xF1500000 @@ -525,9 +408,7 @@ internal_ram_init: str r1, [r0] mov pc, lr -#endif -#ifndef CONFIG_ONENAND_IPL /* * uart_asm_init: Initialize UART's pins */ @@ -582,4 +463,3 @@ uart_asm_init: str r1, [r0, #0x4] @ S5PC1XX_GPIO_DAT_OFFSET 200: mov pc, lr -#endif diff --git a/board/samsung/smdkc100/lowlevel_init.S b/board/samsung/smdkc100/lowlevel_init.S index 6d18835..6f9a554 100644 --- a/board/samsung/smdkc100/lowlevel_init.S +++ b/board/samsung/smdkc100/lowlevel_init.S @@ -50,12 +50,10 @@ lowlevel_init: orr r0, r0, #0x0 str r5, [r0] -#ifndef CONFIG_ONENAND_IPL /* setting SRAM */ ldr r0, =S5PC100_SROMC_BASE ldr r1, =0x9 str r1, [r0] -#endif /* S5PC100 has 3 groups of interrupt sources */ ldr r0, =S5PC100_VIC0_BASE @0xE4000000 @@ -68,7 +66,6 @@ lowlevel_init: str r3, [r1, #0x14] @INTENCLEAR str r3, [r2, #0x14] @INTENCLEAR -#ifndef CONFIG_ONENAND_IPL /* Set all interrupts as IRQ */ str r5, [r0, #0xc] @INTSELECT str r5, [r1, #0xc] @INTSELECT @@ -78,54 +75,17 @@ lowlevel_init: str r5, [r0, #0xf00] @INTADDRESS str r5, [r1, #0xf00] @INTADDRESS str r5, [r2, #0xf00] @INTADDRESS -#endif -#ifndef CONFIG_ONENAND_IPL /* for UART */ bl uart_asm_init /* for TZPC */ bl tzpc_asm_init -#endif - -#ifdef CONFIG_ONENAND_IPL - /* init system clock */ - bl system_clock_init - - bl mem_ctrl_asm_init - - /* Wakeup support. Don't know if it's going to be used, untested. */ - ldr r0, =S5PC100_RST_STAT - ldr r1, [r0] - bic r1, r1, #0xfffffff7 - cmp r1, #0x8 - beq wakeup_reset -#endif 1: mov lr, r9 mov pc, lr -#ifdef CONFIG_ONENAND_IPL -wakeup_reset: - - /* Clear wakeup status register */ - ldr r0, =S5PC100_WAKEUP_STAT - ldr r1, [r0] - str r1, [r0] - - /* Load return address and jump to kernel */ - ldr r0, =S5PC100_INFORM0 - - /* r1 = physical address of s5pc100_cpu_resume function */ - ldr r1, [r0] - - /* Jump to kernel (sleep.S) */ - mov pc, r1 - nop - nop -#endif - /* * system_clock_init: Initialize core clock and bus clock. * void system_clock_init(void) @@ -178,7 +138,6 @@ system_clock_init: mov pc, lr -#ifndef CONFIG_ONENAND_IPL /* * uart_asm_init: Initialize UART's pins */ @@ -212,4 +171,3 @@ tzpc_asm_init: str r1, [r0, #0x810] mov pc, lr -#endif |