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ARM: uniphier: remove support for NOR Flash on support card

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I actually do not see this used these days because eMMC or NAND is used
for non-volatile devices. Dump the burden to maintain this crappy code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2020-07-09 15:08:17 +09:00
parent f95237bb02
commit d69d49d3ec
7 changed files with 0 additions and 131 deletions
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4
arch/arm/mach-uniphier/board_init.c
View File

@ -139,10 +139,6 @@ int board_init(void)
led_puts("U3");
support_card_late_init();
led_puts("U4");
uniphier_nand_reset_assert();
led_puts("Uboo");

97
arch/arm/mach-uniphier/micro-support-card.c
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@ -5,7 +5,6 @@
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <config.h>
#include <dm/of.h>
#include <fdt_support.h>
#include <linux/ctype.h>
@ -107,102 +106,6 @@ void support_card_init(void)
support_card_show_revision();
}
#if defined(CONFIG_MTD_NOR_FLASH)
#include <mtd/cfi_flash.h>
struct memory_bank {
phys_addr_t base;
unsigned long size;
};
static int mem_is_flash(const struct memory_bank *mem)
{
const int loop = 128;
u32 *scratch_addr;
u32 saved_value;
int ret = 1;
int i;
/* just in case, use the tail of the memory bank */
scratch_addr = map_physmem(mem->base + mem->size - sizeof(u32) * loop,
sizeof(u32) * loop, MAP_NOCACHE);
for (i = 0; i < loop; i++, scratch_addr++) {
saved_value = readl(scratch_addr);
writel(~saved_value, scratch_addr);
if (readl(scratch_addr) != saved_value) {
/* We assume no memory or SRAM here. */
writel(saved_value, scratch_addr);
ret = 0;
break;
}
}
unmap_physmem(scratch_addr, MAP_NOCACHE);
return ret;
}
/* {address, size} */
static const struct memory_bank memory_banks[] = {
{0x42000000, 0x01f00000},
};
static const struct memory_bank
*flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS_DETECT];
phys_addr_t cfi_flash_bank_addr(int i)
{
return flash_banks_list[i]->base;
}
unsigned long cfi_flash_bank_size(int i)
{
return flash_banks_list[i]->size;
}
static void detect_num_flash_banks(void)
{
const struct memory_bank *memory_bank, *end;
cfi_flash_num_flash_banks = 0;
memory_bank = memory_banks;
end = memory_bank + ARRAY_SIZE(memory_banks);
for (; memory_bank < end; memory_bank++) {
if (cfi_flash_num_flash_banks >=
CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
break;
if (mem_is_flash(memory_bank)) {
flash_banks_list[cfi_flash_num_flash_banks] =
memory_bank;
debug("flash bank found: base = 0x%lx, size = 0x%lx\n",
(unsigned long)memory_bank->base,
(unsigned long)memory_bank->size);
cfi_flash_num_flash_banks++;
}
}
debug("number of flash banks: %d\n", cfi_flash_num_flash_banks);
}
#else /* CONFIG_MTD_NOR_FLASH */
static void detect_num_flash_banks(void)
{
};
#endif /* CONFIG_MTD_NOR_FLASH */
void support_card_late_init(void)
{
if (!support_card_found)
return;
detect_num_flash_banks();
}
static const u8 ledval_num[] = {
0x7e, /* 0 */
0x0c, /* 1 */

1
arch/arm/mach-uniphier/sbc/sbc.c
View File

@ -20,7 +20,6 @@
/* faster but LED does not work */
#define SBCTRL0_SAVEPIN_MEM_VALUE 0x55450000
#define SBCTRL1_SAVEPIN_MEM_VALUE 0x06057700
/* NOR flash needs more wait counts than SRAM */
#define SBCTRL2_SAVEPIN_MEM_VALUE 0x34000009
#define SBCTRL4_SAVEPIN_MEM_VALUE 0x02110210

3
configs/uniphier_ld4_sld8_defconfig
View File

@ -17,7 +17,6 @@ CONFIG_LOGLEVEL=6
CONFIG_SPL_NAND_SUPPORT=y
CONFIG_SPL_NOR_SUPPORT=y
CONFIG_CMD_CONFIG=y
CONFIG_CMD_IMLS=y
# CONFIG_CMD_XIMG is not set
CONFIG_CMD_GPIO=y
CONFIG_CMD_GPT=y
@ -44,8 +43,6 @@ CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS=10
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_MMC_UNIPHIER=y
CONFIG_MTD=y
CONFIG_FLASH_CFI_DRIVER=y
CONFIG_SYS_FLASH_CFI=y
CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_DENALI_DT=y
CONFIG_SPL_NAND_DENALI=y

3
configs/uniphier_v7_defconfig
View File

@ -17,7 +17,6 @@ CONFIG_LOGLEVEL=6
CONFIG_SPL_NAND_SUPPORT=y
CONFIG_SPL_NOR_SUPPORT=y
CONFIG_CMD_CONFIG=y
CONFIG_CMD_IMLS=y
# CONFIG_CMD_XIMG is not set
CONFIG_CMD_GPIO=y
CONFIG_CMD_GPT=y
@ -45,8 +44,6 @@ CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS=10
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_MMC_UNIPHIER=y
CONFIG_MTD=y
CONFIG_FLASH_CFI_DRIVER=y
CONFIG_SYS_FLASH_CFI=y
CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_DENALI_DT=y
CONFIG_SPL_NAND_DENALI=y

3
configs/uniphier_v8_defconfig
View File

@ -14,7 +14,6 @@ CONFIG_USE_PREBOOT=y
CONFIG_PREBOOT="env exist ${bootdev}preboot && run ${bootdev}preboot"
CONFIG_LOGLEVEL=6
CONFIG_CMD_CONFIG=y
CONFIG_CMD_IMLS=y
# CONFIG_CMD_XIMG is not set
CONFIG_CMD_GPIO=y
CONFIG_CMD_GPT=y
@ -45,8 +44,6 @@ CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_ADMA=y
CONFIG_MMC_SDHCI_CADENCE=y
CONFIG_MTD=y
CONFIG_FLASH_CFI_DRIVER=y
CONFIG_SYS_FLASH_CFI=y
CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_DENALI_DT=y
CONFIG_SNI_AVE=y

20
include/configs/uniphier.h
View File

@ -41,32 +41,12 @@
#define CONFIG_ARMV7_PSCI_1_0
/*-----------------------------------------------------------------------
* MMU and Cache Setting
*----------------------------------------------------------------------*/
#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
#define CONFIG_TIMESTAMP
/* FLASH related */
#define CONFIG_SYS_MAX_FLASH_SECT 256
#define CONFIG_SYS_MONITOR_BASE 0
#define CONFIG_SYS_MONITOR_LEN 0x00200000 /* 2MB */
#define CONFIG_SYS_FLASH_BASE 0
/*
* flash_toggle does not work for our support card.
* We need to use flash_status_poll.
*/
#define CONFIG_SYS_CFI_FLASH_STATUS_POLL
#define CONFIG_FLASH_SHOW_PROGRESS 45 /* count down from 45/5: 9..1 */
#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT 1
/* serial console configuration */
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
/* Boot Argument Buffer Size */