diff options
Diffstat (limited to 'target/linux/ramips/patches-3.8/0039-MIPS-ralink-add-memory-definition-for-RT305x.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.8/0039-MIPS-ralink-add-memory-definition-for-RT305x.patch | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/target/linux/ramips/patches-3.8/0039-MIPS-ralink-add-memory-definition-for-RT305x.patch b/target/linux/ramips/patches-3.8/0039-MIPS-ralink-add-memory-definition-for-RT305x.patch deleted file mode 100644 index 6738d9e623..0000000000 --- a/target/linux/ramips/patches-3.8/0039-MIPS-ralink-add-memory-definition-for-RT305x.patch +++ /dev/null @@ -1,96 +0,0 @@ -From 7d0aa01494353532bbdc644469ef2a06ee089f3e Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sat, 13 Apr 2013 15:13:40 +0200 -Subject: [PATCH 39/79] MIPS: ralink: add memory definition for RT305x - -Populate struct soc_info with the data that describes our RAM window. - -As memory detection fails on RT5350 we read the amount of available memory -from the system controller. - -Signed-off-by: John Crispin <blogic@openwrt.org> -Patchwork: http://patchwork.linux-mips.org/patch/5180/ ---- - arch/mips/include/asm/mach-ralink/rt305x.h | 6 ++++ - arch/mips/ralink/rt305x.c | 45 ++++++++++++++++++++++++++++ - 2 files changed, 51 insertions(+) - -diff --git a/arch/mips/include/asm/mach-ralink/rt305x.h b/arch/mips/include/asm/mach-ralink/rt305x.h -index 80cda8a..069bf37 100644 ---- a/arch/mips/include/asm/mach-ralink/rt305x.h -+++ b/arch/mips/include/asm/mach-ralink/rt305x.h -@@ -157,4 +157,10 @@ static inline int soc_is_rt5350(void) - #define RT3352_RSTCTRL_UDEV BIT(25) - #define RT3352_SYSCFG1_USB0_HOST_MODE BIT(10) - -+#define RT305X_SDRAM_BASE 0x00000000 -+#define RT305X_MEM_SIZE_MIN 2 -+#define RT305X_MEM_SIZE_MAX 64 -+#define RT3352_MEM_SIZE_MIN 2 -+#define RT3352_MEM_SIZE_MAX 256 -+ - #endif -diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c -index 6aa3cb1..ca7ee3a 100644 ---- a/arch/mips/ralink/rt305x.c -+++ b/arch/mips/ralink/rt305x.c -@@ -122,6 +122,40 @@ struct ralink_pinmux rt_gpio_pinmux = { - .wdt_reset = rt305x_wdt_reset, - }; - -+static unsigned long rt5350_get_mem_size(void) -+{ -+ void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE); -+ unsigned long ret; -+ u32 t; -+ -+ t = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG); -+ t = (t >> RT5350_SYSCFG0_DRAM_SIZE_SHIFT) & -+ RT5350_SYSCFG0_DRAM_SIZE_MASK; -+ -+ switch (t) { -+ case RT5350_SYSCFG0_DRAM_SIZE_2M: -+ ret = 2; -+ break; -+ case RT5350_SYSCFG0_DRAM_SIZE_8M: -+ ret = 8; -+ break; -+ case RT5350_SYSCFG0_DRAM_SIZE_16M: -+ ret = 16; -+ break; -+ case RT5350_SYSCFG0_DRAM_SIZE_32M: -+ ret = 32; -+ break; -+ case RT5350_SYSCFG0_DRAM_SIZE_64M: -+ ret = 64; -+ break; -+ default: -+ panic("rt5350: invalid DRAM size: %u", t); -+ break; -+ } -+ -+ return ret; -+} -+ - void __init ralink_clk_init(void) - { - unsigned long cpu_rate, sys_rate, wdt_rate, uart_rate; -@@ -252,4 +286,15 @@ void prom_soc_init(struct ralink_soc_info *soc_info) - name, - (id >> CHIP_ID_ID_SHIFT) & CHIP_ID_ID_MASK, - (id & CHIP_ID_REV_MASK)); -+ -+ soc_info->mem_base = RT305X_SDRAM_BASE; -+ if (soc_is_rt5350()) { -+ soc_info->mem_size = rt5350_get_mem_size(); -+ } else if (soc_is_rt305x() || soc_is_rt3350()) { -+ soc_info->mem_size_min = RT305X_MEM_SIZE_MIN; -+ soc_info->mem_size_max = RT305X_MEM_SIZE_MAX; -+ } else if (soc_is_rt3352()) { -+ soc_info->mem_size_min = RT3352_MEM_SIZE_MIN; -+ soc_info->mem_size_max = RT3352_MEM_SIZE_MAX; -+ } - } --- -1.7.10.4 - |