From: Andreas Bießmann Date: Fri, 6 Feb 2015 22:06:43 +0000 (+0100) Subject: avr32: convert to dram_init() X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=186678600a3aa81f883e4bf4b94ca4d40081d93a;p=u-boot.git avr32: convert to dram_init() Signed-off-by: Andreas Bießmann Reviewed-by: Simon Glass --- diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h index 2387f8af62..232350ead8 100644 --- a/arch/avr32/include/asm/u-boot.h +++ b/arch/avr32/include/asm/u-boot.h @@ -26,5 +26,6 @@ typedef struct bd_info { #define IH_ARCH_DEFAULT IH_ARCH_AVR32 int arch_cpu_init(void); +int dram_init(void); #endif /* __ASM_U_BOOT_H__ */ diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile index bb45cbe153..5f2d97bfc7 100644 --- a/arch/avr32/lib/Makefile +++ b/arch/avr32/lib/Makefile @@ -11,3 +11,4 @@ obj-y += memset.o obj-y += board.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += interrupts.o +obj-y += dram_init.o diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index e86530fe77..13b7fede74 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -29,6 +29,12 @@ DECLARE_GLOBAL_DATA_PTR; unsigned long monitor_flash_len; +__weak void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} + /* Weak aliases for optional board functions */ static int __do_nothing(void) { @@ -82,7 +88,6 @@ void board_init_f(ulong board_type) unsigned long monitor_len; unsigned long monitor_addr; unsigned long addr; - long sdram_size; /* Initialize the global data pointer */ memset(&gd_data, 0, sizeof(gd_data)); @@ -97,10 +102,10 @@ void board_init_f(ulong board_type) serial_init(); console_init_f(); display_banner(); - sdram_size = initdram(board_type); + dram_init(); /* If we have no SDRAM, we can't go on */ - if (sdram_size <= 0) + if (gd->ram_size <= 0) panic("No working SDRAM available\n"); /* @@ -114,7 +119,7 @@ void board_init_f(ulong board_type) * - global data struct * - stack */ - addr = CONFIG_SYS_SDRAM_BASE + sdram_size; + addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; monitor_len = (char *)(&__bss_end) - _text; /* @@ -156,12 +161,7 @@ void board_init_f(ulong board_type) *(--new_sp) = 0; *(--new_sp) = 0; - /* - * Initialize the board information struct with the - * information we have. - */ - bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - bd->bi_dram[0].size = sdram_size; + dram_init_banksize(); memcpy(new_gd, gd, sizeof(gd_t)); diff --git a/arch/avr32/lib/dram_init.c b/arch/avr32/lib/dram_init.c new file mode 100644 index 0000000000..5078e77f17 --- /dev/null +++ b/arch/avr32/lib/dram_init.c @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2015 Andreas Bießmann + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + /* check for the maximum amount of memory possible on AP7000 devices */ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + (256<<20)); + return 0; +} diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c index ed09c8c7e4..dacd427831 100644 --- a/board/atmel/atngw100/atngw100.c +++ b/board/atmel/atngw100/atngw100.c @@ -52,6 +52,8 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -68,24 +70,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/atmel/atngw100mkii/atngw100mkii.c b/board/atmel/atngw100mkii/atngw100mkii.c index 912ea10fe4..8e215d5fcf 100644 --- a/board/atmel/atngw100mkii/atngw100mkii.c +++ b/board/atmel/atngw100mkii/atngw100mkii.c @@ -69,6 +69,9 @@ int board_early_init_f(void) portmux_select_gpio(PORTMUX_PORT_E, 1 << 23, PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH | PORTMUX_DRIVE_MIN); + + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -85,24 +88,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c index f3546946c4..fd4363bece 100644 --- a/board/atmel/atstk1000/atstk1000.c +++ b/board/atmel/atstk1000/atstk1000.c @@ -78,7 +78,10 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(sdram_config.data_bits, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); + #if defined(CONFIG_MACB) portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW); portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW); @@ -90,24 +93,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x10; diff --git a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c index f9fde793f5..f9ac330c33 100644 --- a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c +++ b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c @@ -52,6 +52,9 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH); + + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart3(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); @@ -63,24 +66,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c index 2ac54db295..91b41162de 100644 --- a/board/in-circuit/grasshopper/grasshopper.c +++ b/board/in-circuit/grasshopper/grasshopper.c @@ -53,6 +53,8 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(SDRAM_DATA_32BIT, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart0(PORTMUX_DRIVE_MIN); portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -69,24 +71,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x00; diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c index 186ac7df62..f078295508 100644 --- a/board/mimc/mimc200/mimc200.c +++ b/board/mimc/mimc200/mimc200.c @@ -91,6 +91,8 @@ int board_early_init_f(void) /* Enable 26 address bits and NCS2 */ portmux_enable_ebi(16, 26, PORTMUX_EBI_CS(2), PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); /* de-assert "force sys reset" pin */ @@ -151,24 +153,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/miromico/hammerhead/hammerhead.c b/board/miromico/hammerhead/hammerhead.c index e9a9e4b3cf..a0c7d3b323 100644 --- a/board/miromico/hammerhead/hammerhead.c +++ b/board/miromico/hammerhead/hammerhead.c @@ -63,6 +63,8 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -74,24 +76,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01;